Removed un-checked #[cold] from match arm branches.

Fixed infinite recursition in DynBounds::downcast() (NOTE: it currently just panicks on error because FUCK RangeBounds<T> man...) Fortune for markov's current commit: Middle blessing − 中吉
added connection acceptance filters
40 changed files with 6852 additions and 153 deletions
--- a/.gitignore
+++ b/.gitignore
@ -1,3 +1,5 @@
 /target
 chain.dat
 *~
 chain.dat
 flamegraph.svg
--- a/Cargo.lock
+++ b/Cargo.lock
--- a/Cargo.toml
+++ b/Cargo.toml
@ -1,16 +1,75 @@
 [package]
 name = "markov"
-version = "0.1.2"
+version = "0.9.1"
 description = "Generate string of text from Markov chain fed by stdin"
 authors = ["Avril <flanchan@cumallover.me>"]
 edition = "2018"
 license = "gpl-3.0-or-later"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [features]
 default = ["compress-chain", "split-newlines", "api"]
 # Compress the chain data file when saved to disk
 compress-chain = ["async-compression", "bzip2-sys"]
 # Treat each new line as a new set to feed instead of feeding the whole data at once
 split-newlines = []
 # Feed each sentance seperately with default /get api, instead of just each line / whole body
 #
 # Note that this happens after `split-newlines`.
 feed-sentance = ["split-sentance"]
 # Split input buffer's to feed by sentance as well as word boundaries.
 #
 # Note that this happens after `split-newlines`.
 # This feature does nothing if `feed-sentance` is enabled.
 split-sentance = []
 # Always aggregate incoming buffer instead of streaming them
 # This will make feeds faster but allocate full buffers for the aggregated body
 #
 # Large write:	~95ms
 #
 # NOTE: This does nothing if `split-newlines` is not enabled
 always-aggregate = []
 # Does nothing on versions 9.0+
 hog-buffer = []
 # Enable the /api/ route
 api = []
 # Do not wait 2 seconds before starting worker tasks after server
 instant-init = []
 [profile.release]
 opt-level = 3
 lto = "fat"
 codegen-units = 1
 strip=true
 [dependencies]
 chain = {package = "markov", version = "1.1.0"}
 tokio = {version = "0.2", features=["full"]}
 warp = "0.2"
 pretty_env_logger = "0.4.0"
 hyper = "0.13.8"
 log = "0.4.11"
 cfg-if = "1.0.0"
 futures = "0.3.6"
 serde_cbor = "0.11.1"
 serde = {version ="1.0", features=["derive"]}
 toml = "0.5.6"
 async-compression = {version = "0.3.5", features=["tokio-02", "bzip2"], optional=true}
 pin-project = "0.4"
 smallmap = "1.1.5"
 lazy_static = "1.4.0"
 once_cell = "1.4.1"
 bzip2-sys = {version = "0.1.9", optional = true}
 cidr = {version = "0.1.1", features = ["serde"]}
 [build-dependencies]
 rustc_version = "0.2"
--- a/674
+++ b/674
@ -0,0 +1,674 @@
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 IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
 ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
  16. Limitation of Liability.
  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
 THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
 GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
 USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
 DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
 PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
 EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
 SUCH DAMAGES.
  17. Interpretation of Sections 15 and 16.
  If the disclaimer of warranty and limitation of liability provided
 above cannot be given local legal effect according to their terms,
 reviewing courts shall apply local law that most closely approximates
 an absolute waiver of all civil liability in connection with the
 Program, unless a warranty or assumption of liability accompanies a
 copy of the Program in return for a fee.
                     END OF TERMS AND CONDITIONS
            How to Apply These Terms to Your New Programs
  If you develop a new program, and you want it to be of the greatest
 possible use to the public, the best way to achieve this is to make it
 free software which everyone can redistribute and change under these terms.
  To do so, attach the following notices to the program.  It is safest
 to attach them to the start of each source file to most effectively
 state the exclusion of warranty; and each file should have at least
 the "copyright" line and a pointer to where the full notice is found.
    <one line to give the program's name and a brief idea of what it does.>
    Copyright (C) <year>  <name of author>
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 Also add information on how to contact you by electronic and paper mail.
  If the program does terminal interaction, make it output a short
 notice like this when it starts in an interactive mode:
    <program>  Copyright (C) <year>  <name of author>
    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
    This is free software, and you are welcome to redistribute it
    under certain conditions; type `show c' for details.
 The hypothetical commands `show w' and `show c' should show the appropriate
 parts of the General Public License.  Of course, your program's commands
 might be different; for a GUI interface, you would use an "about box".
  You should also get your employer (if you work as a programmer) or school,
 if any, to sign a "copyright disclaimer" for the program, if necessary.
 For more information on this, and how to apply and follow the GNU GPL, see
 <https://www.gnu.org/licenses/>.
  The GNU General Public License does not permit incorporating your program
 into proprietary programs.  If your program is a subroutine library, you
 may consider it more useful to permit linking proprietary applications with
 the library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.  But first, please read
 <https://www.gnu.org/licenses/why-not-lgpl.html>.
--- a/29
+++ b/29
@ -0,0 +1,29 @@
 FEATURES:="api,split-sentance"
 VERSION:=`cargo read-manifest | rematch - 'version":"([0-9\.]+)"' 1`
 markov:
 	cargo build --release --features $(FEATURES)
 	strip target/release/markov
 install:
 	-rc-service markov shutdown && sleep 0.6
 	-rc-service markov stop
 	cp -f target/release/markov /usr/local/bin/markov
 	rc-service markov start
 reinstall: uninstall
 	cp -f target/release/markov /usr/local/bin/markov
 	rm -f /var/nginx/markov.dat
 	rc-service markov start
 	sleep 0.2
 	curl -X PUT --data-binary @default http://127.0.0.1:8001/put
 uninstall:
 	-rc-service markov stop
 	rm -f /usr/local/bin/markov
 package:
 	git add .
 	-git commit -S -m "Packaging version $(VERSION)"
 	cargo package
 	mv ./target/package/markov-$(VERSION).crate{,.gz}
--- a/6
+++ b/6
@ -1,6 +0,0 @@
 Generate strings from markov chain of stdin
 Usage:
 $ cat corpus | markov
 $ cat corpus | markov <n of outputs to generate>
--- a/README.md
+++ b/README.md
@ -0,0 +1,75 @@
 # genmarkov
 HTTP server connecting to a Markov chain
 # Build requirements
 Unix & Rust nightly are currently requirements to build, for now.
 # Configuration
 When ran with no arguments, `markov` will attempt to load the config file at `markov.toml`. If it does not exist, it will use the default configuration. (On debug builds, it will also create the default `markov.toml`.)
 An example default configuration file is provided at [./markov.toml](markov.toml).
 When ran with an argument specifying the config file however, it will attempt to load that. If it fails to load the file, the default will be used.
 ## Config file entries
 | Name                    | Description                                             | Default          | Optional |
 |-------------------------|---------------------------------------------------------|------------------|----------|
 | `bindpoint`             | Address or Unix domain socket for the server to bind to | `127.0.0.1:8001` | No       |
 | `file`                  | File to save and load the chain from                    | `chain.dat`      | No       |
 | `max_content_length`    | Max request body length to allow                        | `4194304` (4MB)  | No       |
 | `max_gen_size`          | Max number of strings for a request to generate at once | `256`            | No       |
 | `save_interval_secs`    | Number of seconds to ensure waiting before saving chain | `2`              | Yes      |
 | `trust_x_forwarded_for` | Trust the `X-Forwarded-For` HTTP header                 | `false`          | No       |
 | `filter`                | Remove characters from incoming and/or outgoing text    | None             | Yes      |
 ### AF_UNIX note
 When binding to a Unix domain socket, prefix the path with `unix:/` (e.g. `unix://var/markov.socket`)
 The server will not attempt to remove already existing sockets at the path, so ensure there isn't one before launching.
 ## Logging
 Set the `RUST_LOG` environment variable to one of the following to switch runtime logging levels.
 * `trace` - Most verbose
 * `debug` - Verbose
 * `info` - Show input and output to/from the chain and requests
 * `warn` - Only show warnings (default)
 * `error` - Only show errors
 ## Signals
 On Unix systems at runtime, some signals are trapped:
 | Signal    | Description                                                            |
 |-----------|------------------------------------------------------------------------|
 | `SIGUSR1` | Immediately save the chain                                             |
 | `SIGUSR2` | Immediately load the chain                                             |
 | `SIGQUIT` | Ensure the chain is properly saved and then immediately call `abort()` |
 | `SIGINT`  | Perform a full graceful shutdown                                       |
 # Usage
 The server exposes several paths for access of the chain
 ## Feeding
 ### `PUT /put`
 Request body is fed to the chain
 #### NOTE
 Strings fed to the chain must be valid UTF-8 and a size below the value specified in the config file.
 ## Generating
 ### `GET /get`
 Generate a string from the chain
 ### `GET /get/<number>`
 Generate `<number>` strings from the chain
 ### `GET /get/sentance`
 Generate a single sentance from the chain
 ### `GET /get/sentance/<number>`
 Generate `<number>` sentances from the chain
 #### NOTE
 Number of strings/sentances must be lower than the value specified in the config file.
 # License
 GPL'd with <3
--- a/1
+++ b/1
@ -0,0 +1 @@
 Disallow exact same map input buffers by keeping hashes of input buffers.
--- a/build.rs
+++ b/build.rs
@ -0,0 +1,26 @@
 extern crate rustc_version;
 use rustc_version::{version, version_meta, Channel};
 fn main() {
    // Assert we haven't travelled back in time
    assert!(version().unwrap().major >= 1);
    // Set cfg flags depending on release channel
    match version_meta().unwrap().channel {
        Channel::Stable => {
            println!("cargo:rustc-cfg=stable");
        }
        Channel::Beta => {
            println!("cargo:rustc-cfg=beta");
        }
        Channel::Nightly => {
            println!("cargo:rustc-cfg=nightly");
        }
        Channel::Dev => {
            println!("cargo:rustc-cfg=dev");
        }
    }
    //println!("cargo:rustc-link-lib=static=bz2"); // TODO: Make this conditional for `compress-chain`
 }
--- a/contrib/app-misc/markov/markov-0.7.1.ebuild
+++ b/contrib/app-misc/markov/markov-0.7.1.ebuild
@ -0,0 +1,217 @@
 # Copyright 2017-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 # Auto-Generated by cargo-ebuild 0.3.1
 EAPI=7
 CRATES="
 aho-corasick-0.7.13
 arc-swap-0.4.7
 async-compression-0.3.5
 atty-0.2.14
 autocfg-0.1.7
 autocfg-1.0.1
 base64-0.12.3
 bitflags-1.2.1
 block-buffer-0.7.3
 block-buffer-0.9.0
 block-padding-0.1.5
 buf_redux-0.8.4
 byte-tools-0.3.1
 byteorder-1.3.4
 bytes-0.5.6
 bzip2-0.3.3
 bzip2-sys-0.1.9+1.0.8
 cc-1.0.60
 cfg-if-0.1.10
 cfg-if-1.0.0
 cloudabi-0.0.3
 cpuid-bool-0.1.2
 digest-0.8.1
 digest-0.9.0
 dtoa-0.4.6
 either-1.6.1
 env_logger-0.7.1
 fake-simd-0.1.2
 fixedbitset-0.2.0
 fnv-1.0.7
 fuchsia-cprng-0.1.1
 fuchsia-zircon-0.3.3
 fuchsia-zircon-sys-0.3.3
 futures-0.3.6
 futures-channel-0.3.6
 futures-core-0.3.6
 futures-executor-0.3.6
 futures-io-0.3.6
 futures-macro-0.3.6
 futures-sink-0.3.6
 futures-task-0.3.6
 futures-util-0.3.6
 generic-array-0.12.3
 generic-array-0.14.4
 getopts-0.2.21
 getrandom-0.1.15
 h2-0.2.6
 half-1.6.0
 hashbrown-0.9.1
 headers-0.3.2
 headers-core-0.2.0
 hermit-abi-0.1.17
 http-0.2.1
 http-body-0.3.1
 httparse-1.3.4
 httpdate-0.3.2
 humantime-1.3.0
 hyper-0.13.8
 idna-0.2.0
 indexmap-1.6.0
 input_buffer-0.3.1
 iovec-0.1.4
 itertools-0.9.0
 itoa-0.4.6
 kernel32-sys-0.2.2
 lazy_static-1.4.0
 libc-0.2.79
 linked-hash-map-0.5.3
 log-0.4.11
 markov-1.1.0
 matches-0.1.8
 memchr-2.3.3
 mime-0.3.16
 mime_guess-2.0.3
 mio-0.6.22
 mio-named-pipes-0.1.7
 mio-uds-0.6.8
 miow-0.2.1
 miow-0.3.5
 multipart-0.17.0
 net2-0.2.35
 num_cpus-1.13.0
 once_cell-1.4.1
 opaque-debug-0.2.3
 opaque-debug-0.3.0
 percent-encoding-2.1.0
 petgraph-0.5.1
 pin-project-0.4.26
 pin-project-internal-0.4.26
 pin-project-lite-0.1.10
 pin-utils-0.1.0
 pkg-config-0.3.18
 ppv-lite86-0.2.9
 pretty_env_logger-0.4.0
 proc-macro-hack-0.5.18
 proc-macro-nested-0.1.6
 proc-macro2-1.0.24
 quick-error-1.2.3
 quote-1.0.7
 rand-0.6.5
 rand-0.7.3
 rand_chacha-0.1.1
 rand_chacha-0.2.2
 rand_core-0.3.1
 rand_core-0.4.2
 rand_core-0.5.1
 rand_hc-0.1.0
 rand_hc-0.2.0
 rand_isaac-0.1.1
 rand_jitter-0.1.4
 rand_os-0.1.3
 rand_pcg-0.1.2
 rand_xorshift-0.1.1
 rdrand-0.4.0
 redox_syscall-0.1.57
 regex-1.3.9
 regex-syntax-0.6.18
 remove_dir_all-0.5.3
 rustc_version-0.2.3
 ryu-1.0.5
 safemem-0.3.3
 scoped-tls-1.0.0
 semver-0.9.0
 semver-parser-0.7.0
 serde-1.0.116
 serde_cbor-0.11.1
 serde_derive-1.0.116
 serde_json-1.0.58
 serde_urlencoded-0.6.1
 serde_yaml-0.8.13
 sha-1-0.8.2
 sha-1-0.9.1
 signal-hook-registry-1.2.1
 slab-0.4.2
 smallmap-1.1.5
 socket2-0.3.15
 syn-1.0.42
 tempfile-3.1.0
 termcolor-1.1.0
 thread_local-1.0.1
 time-0.1.44
 tinyvec-0.3.4
 tokio-0.2.22
 tokio-macros-0.2.5
 tokio-tungstenite-0.11.0
 tokio-util-0.3.1
 toml-0.5.6
 tower-service-0.3.0
 tracing-0.1.21
 tracing-core-0.1.17
 tracing-futures-0.2.4
 try-lock-0.2.3
 tungstenite-0.11.1
 twoway-0.1.8
 typenum-1.12.0
 unicase-2.6.0
 unicode-bidi-0.3.4
 unicode-normalization-0.1.13
 unicode-width-0.1.8
 unicode-xid-0.2.1
 url-2.1.1
 urlencoding-1.1.1
 utf-8-0.7.5
 version_check-0.9.2
 want-0.3.0
 warp-0.2.5
 wasi-0.10.0+wasi-snapshot-preview1
 wasi-0.9.0+wasi-snapshot-preview1
 winapi-0.2.8
 winapi-0.3.9
 winapi-build-0.1.1
 winapi-i686-pc-windows-gnu-0.4.0
 winapi-util-0.1.5
 winapi-x86_64-pc-windows-gnu-0.4.0
 ws2_32-sys-0.2.1
 yaml-rust-0.4.4
 "
 inherit cargo
 DESCRIPTION="Generate string of text from Markov chain fed by stdin"
 # Double check the homepage as the cargo_metadata crate
 # does not provide this value so instead repository is used
 HOMEPAGE="https://flanchan.moe/markov/"
 SRC_URI="$(cargo_crate_uris ${CRATES}) https://git.flanchan.moe/attachments/cf0b9095-2403-465b-b3aa-61b121134c84 -> markov-0.7.1.crate"
 RESTRICT="mirror"
 # License set may be more restrictive as OR is not respected
 # use cargo-license for a more accurate license picture
 LICENSE="GPL-3+"
 SLOT="0"
 KEYWORDS="~amd64"
 IUSE="+compress-chain +split-newlines +api split-sentance always-aggregate hog-buffer"
 DEPEND="compress-chain? ( app-arch/bzip2 )"
 RDEPEND=""
 src_configure() {
 	local myfeatures=(
 		$(usev compress-chain)
 		$(usev split-newlines)
 		$(usev api)
 		$(usev split-sentance)
 		$(usev always-aggregate)
 		$(usev hog-buffer)
 	)
 	#TODO: This hack slows compilation down I think, but without it ld fails so... We should add cargo buildscript to do this instead
 	use compress-chain && export RUSTFLAGS="${RUSTFLAGS} -ldylib=bz2"
 	cargo_src_configure --no-default-features
 }
--- a/contrib/app-misc/markov/markov-0.8.1.ebuild
+++ b/contrib/app-misc/markov/markov-0.8.1.ebuild
@ -0,0 +1,217 @@
 # Copyright 2017-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 # Auto-Generated by cargo-ebuild 0.3.1
 EAPI=7
 CRATES="
 aho-corasick-0.7.13
 arc-swap-0.4.7
 async-compression-0.3.5
 atty-0.2.14
 autocfg-0.1.7
 autocfg-1.0.1
 base64-0.12.3
 bitflags-1.2.1
 block-buffer-0.7.3
 block-buffer-0.9.0
 block-padding-0.1.5
 buf_redux-0.8.4
 byte-tools-0.3.1
 byteorder-1.3.4
 bytes-0.5.6
 bzip2-0.3.3
 bzip2-sys-0.1.9+1.0.8
 cc-1.0.60
 cfg-if-0.1.10
 cfg-if-1.0.0
 cloudabi-0.0.3
 cpuid-bool-0.1.2
 digest-0.8.1
 digest-0.9.0
 dtoa-0.4.6
 either-1.6.1
 env_logger-0.7.1
 fake-simd-0.1.2
 fixedbitset-0.2.0
 fnv-1.0.7
 fuchsia-cprng-0.1.1
 fuchsia-zircon-0.3.3
 fuchsia-zircon-sys-0.3.3
 futures-0.3.6
 futures-channel-0.3.6
 futures-core-0.3.6
 futures-executor-0.3.6
 futures-io-0.3.6
 futures-macro-0.3.6
 futures-sink-0.3.6
 futures-task-0.3.6
 futures-util-0.3.6
 generic-array-0.12.3
 generic-array-0.14.4
 getopts-0.2.21
 getrandom-0.1.15
 h2-0.2.6
 half-1.6.0
 hashbrown-0.9.1
 headers-0.3.2
 headers-core-0.2.0
 hermit-abi-0.1.17
 http-0.2.1
 http-body-0.3.1
 httparse-1.3.4
 httpdate-0.3.2
 humantime-1.3.0
 hyper-0.13.8
 idna-0.2.0
 indexmap-1.6.0
 input_buffer-0.3.1
 iovec-0.1.4
 itertools-0.9.0
 itoa-0.4.6
 kernel32-sys-0.2.2
 lazy_static-1.4.0
 libc-0.2.79
 linked-hash-map-0.5.3
 log-0.4.11
 markov-1.1.0
 matches-0.1.8
 memchr-2.3.3
 mime-0.3.16
 mime_guess-2.0.3
 mio-0.6.22
 mio-named-pipes-0.1.7
 mio-uds-0.6.8
 miow-0.2.1
 miow-0.3.5
 multipart-0.17.0
 net2-0.2.35
 num_cpus-1.13.0
 once_cell-1.4.1
 opaque-debug-0.2.3
 opaque-debug-0.3.0
 percent-encoding-2.1.0
 petgraph-0.5.1
 pin-project-0.4.26
 pin-project-internal-0.4.26
 pin-project-lite-0.1.10
 pin-utils-0.1.0
 pkg-config-0.3.18
 ppv-lite86-0.2.9
 pretty_env_logger-0.4.0
 proc-macro-hack-0.5.18
 proc-macro-nested-0.1.6
 proc-macro2-1.0.24
 quick-error-1.2.3
 quote-1.0.7
 rand-0.6.5
 rand-0.7.3
 rand_chacha-0.1.1
 rand_chacha-0.2.2
 rand_core-0.3.1
 rand_core-0.4.2
 rand_core-0.5.1
 rand_hc-0.1.0
 rand_hc-0.2.0
 rand_isaac-0.1.1
 rand_jitter-0.1.4
 rand_os-0.1.3
 rand_pcg-0.1.2
 rand_xorshift-0.1.1
 rdrand-0.4.0
 redox_syscall-0.1.57
 regex-1.3.9
 regex-syntax-0.6.18
 remove_dir_all-0.5.3
 rustc_version-0.2.3
 ryu-1.0.5
 safemem-0.3.3
 scoped-tls-1.0.0
 semver-0.9.0
 semver-parser-0.7.0
 serde-1.0.116
 serde_cbor-0.11.1
 serde_derive-1.0.116
 serde_json-1.0.58
 serde_urlencoded-0.6.1
 serde_yaml-0.8.13
 sha-1-0.8.2
 sha-1-0.9.1
 signal-hook-registry-1.2.1
 slab-0.4.2
 smallmap-1.1.5
 socket2-0.3.15
 syn-1.0.42
 tempfile-3.1.0
 termcolor-1.1.0
 thread_local-1.0.1
 time-0.1.44
 tinyvec-0.3.4
 tokio-0.2.22
 tokio-macros-0.2.5
 tokio-tungstenite-0.11.0
 tokio-util-0.3.1
 toml-0.5.6
 tower-service-0.3.0
 tracing-0.1.21
 tracing-core-0.1.17
 tracing-futures-0.2.4
 try-lock-0.2.3
 tungstenite-0.11.1
 twoway-0.1.8
 typenum-1.12.0
 unicase-2.6.0
 unicode-bidi-0.3.4
 unicode-normalization-0.1.13
 unicode-width-0.1.8
 unicode-xid-0.2.1
 url-2.1.1
 urlencoding-1.1.1
 utf-8-0.7.5
 version_check-0.9.2
 want-0.3.0
 warp-0.2.5
 wasi-0.10.0+wasi-snapshot-preview1
 wasi-0.9.0+wasi-snapshot-preview1
 winapi-0.2.8
 winapi-0.3.9
 winapi-build-0.1.1
 winapi-i686-pc-windows-gnu-0.4.0
 winapi-util-0.1.5
 winapi-x86_64-pc-windows-gnu-0.4.0
 ws2_32-sys-0.2.1
 yaml-rust-0.4.4
 "
 inherit cargo
 DESCRIPTION="Generate string of text from Markov chain fed by stdin"
 # Double check the homepage as the cargo_metadata crate
 # does not provide this value so instead repository is used
 HOMEPAGE="https://flanchan.moe/markov/"
 SRC_URI="$(cargo_crate_uris ${CRATES}) https://git.flanchan.moe/attachments/c6f37bfc-afd8-462f-807f-ab9f95197680 -> markov-0.8.1.crate"
 RESTRICT="mirror"
 # License set may be more restrictive as OR is not respected
 # use cargo-license for a more accurate license picture
 LICENSE="GPL-3+"
 SLOT="0"
 KEYWORDS="~amd64"
 IUSE="+compress-chain +split-newlines +api split-sentance feed-sentance always-aggregate hog-buffer"
 DEPEND="compress-chain? ( app-arch/bzip2 )"
 RDEPEND=""
 src_configure() {
 	local myfeatures=(
 		$(usev compress-chain)
 		$(usev split-newlines)
 		$(usev api)
 		$(usev split-sentance)
 		$(usev feed-sentance)
 		$(usev always-aggregate)
 		$(usev hog-buffer)
 	)
 	#TODO: This hack slows compilation down I think, but without it ld fails so... We should add cargo buildscript to do this instead
 	use compress-chain && export RUSTFLAGS="${RUSTFLAGS} -ldylib=bz2"
 	cargo_src_configure --no-default-features
 }
--- a/contrib/app-misc/markov/metadata.xml
+++ b/contrib/app-misc/markov/metadata.xml
@ -0,0 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <maintainer type="person">
 <email>flanchan@cumallover.me</email>
 </maintainer>
 <use>
 	<flag name="compress-chain">Compress chain when saving/loading</flag>
 	<flag name="split-newlines">Treat each new line as a new set to feed</flag>
 	<flag name="api">Enable /api route</flag>
 	<flag name="feed-sentance">Further split buffers by sentance, feeding a new one for each.</flag>
 	<flag name="split-sentance">Split by sentance as well as word boundaries</flag>
 	<flag name="always-aggregate">Always operate on aggregated request body (can speed up writes at the cost of memory)</flag>
 	<flag name="hog-buffer">Acquire chain mutex write lock while streaming body (can speed up writes, but can also allow for DoS)</flag></use>	
 </pkgmetadata>
--- a/1
+++ b/1
@ -0,0 +1 @@
 LICENSE
--- a/markov-0.8.1.ebuild
+++ b/markov-0.8.1.ebuild
@ -0,0 +1,203 @@
 # Copyright 2017-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 # Auto-Generated by cargo-ebuild 0.3.1
 EAPI=7
 CRATES="
 aho-corasick-0.7.13
 arc-swap-0.4.7
 async-compression-0.3.5
 atty-0.2.14
 autocfg-0.1.7
 autocfg-1.0.1
 base64-0.12.3
 bitflags-1.2.1
 block-buffer-0.7.3
 block-buffer-0.9.0
 block-padding-0.1.5
 buf_redux-0.8.4
 byte-tools-0.3.1
 byteorder-1.3.4
 bytes-0.5.6
 bzip2-0.3.3
 bzip2-sys-0.1.9+1.0.8
 cc-1.0.60
 cfg-if-0.1.10
 cfg-if-1.0.0
 cloudabi-0.0.3
 cpuid-bool-0.1.2
 digest-0.8.1
 digest-0.9.0
 dtoa-0.4.6
 either-1.6.1
 env_logger-0.7.1
 fake-simd-0.1.2
 fixedbitset-0.2.0
 fnv-1.0.7
 fuchsia-cprng-0.1.1
 fuchsia-zircon-0.3.3
 fuchsia-zircon-sys-0.3.3
 futures-0.3.6
 futures-channel-0.3.6
 futures-core-0.3.6
 futures-executor-0.3.6
 futures-io-0.3.6
 futures-macro-0.3.6
 futures-sink-0.3.6
 futures-task-0.3.6
 futures-util-0.3.6
 generic-array-0.12.3
 generic-array-0.14.4
 getopts-0.2.21
 getrandom-0.1.15
 h2-0.2.6
 half-1.6.0
 hashbrown-0.9.1
 headers-0.3.2
 headers-core-0.2.0
 hermit-abi-0.1.17
 http-0.2.1
 http-body-0.3.1
 httparse-1.3.4
 httpdate-0.3.2
 humantime-1.3.0
 hyper-0.13.8
 idna-0.2.0
 indexmap-1.6.0
 input_buffer-0.3.1
 iovec-0.1.4
 itertools-0.9.0
 itoa-0.4.6
 kernel32-sys-0.2.2
 lazy_static-1.4.0
 libc-0.2.79
 linked-hash-map-0.5.3
 log-0.4.11
 markov-1.1.0
 matches-0.1.8
 memchr-2.3.3
 mime-0.3.16
 mime_guess-2.0.3
 mio-0.6.22
 mio-named-pipes-0.1.7
 mio-uds-0.6.8
 miow-0.2.1
 miow-0.3.5
 multipart-0.17.0
 net2-0.2.35
 num_cpus-1.13.0
 once_cell-1.4.1
 opaque-debug-0.2.3
 opaque-debug-0.3.0
 percent-encoding-2.1.0
 petgraph-0.5.1
 pin-project-0.4.26
 pin-project-internal-0.4.26
 pin-project-lite-0.1.10
 pin-utils-0.1.0
 pkg-config-0.3.18
 ppv-lite86-0.2.9
 pretty_env_logger-0.4.0
 proc-macro-hack-0.5.18
 proc-macro-nested-0.1.6
 proc-macro2-1.0.24
 quick-error-1.2.3
 quote-1.0.7
 rand-0.6.5
 rand-0.7.3
 rand_chacha-0.1.1
 rand_chacha-0.2.2
 rand_core-0.3.1
 rand_core-0.4.2
 rand_core-0.5.1
 rand_hc-0.1.0
 rand_hc-0.2.0
 rand_isaac-0.1.1
 rand_jitter-0.1.4
 rand_os-0.1.3
 rand_pcg-0.1.2
 rand_xorshift-0.1.1
 rdrand-0.4.0
 redox_syscall-0.1.57
 regex-1.3.9
 regex-syntax-0.6.18
 remove_dir_all-0.5.3
 rustc_version-0.2.3
 ryu-1.0.5
 safemem-0.3.3
 scoped-tls-1.0.0
 semver-0.9.0
 semver-parser-0.7.0
 serde-1.0.116
 serde_cbor-0.11.1
 serde_derive-1.0.116
 serde_json-1.0.58
 serde_urlencoded-0.6.1
 serde_yaml-0.8.13
 sha-1-0.8.2
 sha-1-0.9.1
 signal-hook-registry-1.2.1
 slab-0.4.2
 smallmap-1.1.5
 socket2-0.3.15
 syn-1.0.42
 tempfile-3.1.0
 termcolor-1.1.0
 thread_local-1.0.1
 time-0.1.44
 tinyvec-0.3.4
 tokio-0.2.22
 tokio-macros-0.2.5
 tokio-tungstenite-0.11.0
 tokio-util-0.3.1
 toml-0.5.6
 tower-service-0.3.0
 tracing-0.1.21
 tracing-core-0.1.17
 tracing-futures-0.2.4
 try-lock-0.2.3
 tungstenite-0.11.1
 twoway-0.1.8
 typenum-1.12.0
 unicase-2.6.0
 unicode-bidi-0.3.4
 unicode-normalization-0.1.13
 unicode-width-0.1.8
 unicode-xid-0.2.1
 url-2.1.1
 urlencoding-1.1.1
 utf-8-0.7.5
 version_check-0.9.2
 want-0.3.0
 warp-0.2.5
 wasi-0.10.0+wasi-snapshot-preview1
 wasi-0.9.0+wasi-snapshot-preview1
 winapi-0.2.8
 winapi-0.3.9
 winapi-build-0.1.1
 winapi-i686-pc-windows-gnu-0.4.0
 winapi-util-0.1.5
 winapi-x86_64-pc-windows-gnu-0.4.0
 ws2_32-sys-0.2.1
 yaml-rust-0.4.4
 "
 inherit cargo
 DESCRIPTION="Generate string of text from Markov chain fed by stdin"
 # Double check the homepage as the cargo_metadata crate
 # does not provide this value so instead repository is used
 HOMEPAGE="homepage field in Cargo.toml inaccessible to cargo metadata"
 SRC_URI="$(cargo_crate_uris ${CRATES})"
 RESTRICT="mirror"
 # License set may be more restrictive as OR is not respected
 # use cargo-license for a more accurate license picture
 LICENSE="Apache-2.0 Apache-2.0 WITH LLVM-exception BSD-2-Clause BSD-3-Clause BSL-1.0 CC0-1.0 ISC MIT Unlicense Zlib gpl-3.0-or-later"
 SLOT="0"
 KEYWORDS="~amd64"
 IUSE=""
 DEPEND=""
 RDEPEND=""
--- a/markov.toml
+++ b/markov.toml
@ -0,0 +1,19 @@
 bindpoint = '127.0.0.1:8001'
 file = 'chain.dat'
 max_content_length = 4194304
 max_gen_size = 256
 save_interval_secs = 2
 trust_x_forwarded_for = false
 feed_bounds = '2..'
 [filter]
 inbound = ''
 outbound = ''
 [writer]
 backlog = 32
 internal_backlog = 8
 capacity = 4
 [mask]
 default = 'Accept'
--- a/src/api/error.rs
+++ b/src/api/error.rs
@ -0,0 +1,55 @@
 //! API errors
 //use super::*;
 use std::{
    error,
    fmt,
 };
 use warp::{
    Rejection,
    Reply,
 };
 #[derive(Debug)]
 pub enum ApiError {
    Body,
 }
 impl ApiError
 {
    #[inline] fn error_code(&self) -> warp::http::StatusCode
    {
 	status!(match self {
 	    Self::Body => 422,
 	})
    }
 }
 impl warp::reject::Reject for ApiError{}
 impl error::Error for ApiError{}
 impl std::fmt::Display for ApiError
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	match self {
 	    Self::Body => write!(f, "invalid data in request body"),
 	}
    }
 }
 impl From<std::str::Utf8Error> for ApiError
 {
    fn from(_: std::str::Utf8Error) -> Self
    {
 	Self::Body
    }
 }
 // Handles API rejections
 pub async fn rejection(err: Rejection) -> Result<impl Reply, Rejection>
 {
    if let Some(api) = err.find::<ApiError>() {
 	Ok(warp::reply::with_status(format!("ApiError: {}\n", api), api.error_code()))
    } else {
 	Err(err)
    }
 }
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@ -0,0 +1,32 @@
 //! For API calls if enabled
 use super::*;
 use std::{
    iter,
    convert::Infallible,
 };
 use futures::{
    stream::{
 	self,
 	BoxStream,
 	StreamExt,
    },
 };
 pub mod error;
 use error::ApiError;
 mod single;
 #[inline] fn aggregate(mut body: impl Buf) -> Result<String, std::str::Utf8Error>
 {    
    std::str::from_utf8(&body.to_bytes()).map(ToOwned::to_owned)
 }
 pub async fn single(host: IpAddr, num: Option<usize>, body: impl Buf) -> Result<impl warp::Reply, warp::reject::Rejection>
 {
    single::single_stream(host, num, body).await
        .map(|rx| Response::new(Body::wrap_stream(rx.map(move |x| {
 	    info!("{} <- {:?}", host, x);
 	    x
 	}))))
        .map_err(warp::reject::custom)
 }
--- a/src/api/single.rs
+++ b/src/api/single.rs
@ -0,0 +1,47 @@
 //! Handler for /single/
 use super::*;
 //TODO: Change to stream impl like normal `feed` has, instead of taking aggregate?
 pub async fn single_stream(host: IpAddr, num: Option<usize>, body: impl Buf) -> Result<BoxStream<'static, Result<String, Infallible>>, ApiError>
 {
    let body = aggregate(body)?;
    info!("{} <- {:?}", host, &body[..]);
    let mut chain = Chain::new();
    if_debug! {
 	let timer = std::time::Instant::now();
    }
    cfg_if! {
 	if #[cfg(feature="split-newlines")] {
 	    for body in body.split('\n').filter(|line| !line.trim().is_empty()) {
 		feed::feed(&mut chain, body, 1..);
 	    }
 	}else {
 	    feed::feed(&mut chain, body, 1..);
 	}
    }
    if_debug!{
 	trace!("Write took {}ms", timer.elapsed().as_millis());
    }
    if chain.is_empty() {
 	Ok(stream::empty().boxed())
    } else {
 	match num {
 	    None => Ok(stream::iter(iter::once(Ok(chain.generate_str()))).boxed()),
 	    Some(num) => {
 		let (mut tx, rx) = mpsc::channel(num);
 		tokio::spawn(async move {
 		    for string in chain.str_iter_for(num) {
 			if let Err(e) = tx.send(string).await {
 			    error!("Failed to send string to body, aborting: {:?}", e.0);
 			    break;
 			}
 		    }
 		});
 		Ok(StreamExt::map(rx, |x| Ok::<_, Infallible>(x)).boxed())
 	    }
 	}
    }
 }
--- a/src/bind.rs
+++ b/src/bind.rs
@ -0,0 +1,171 @@
 //! For binding to sockets
 use super::*;
 use futures::{
    prelude::*,
 };
 use std::{
    marker::{
 	Send,
 	Unpin,
    },
    fmt,
    error,
    path::{
 	Path,
 	PathBuf,
    },
 };
 use tokio::{
    io::{
 	self,
 	AsyncRead,
 	AsyncWrite,
    },
 };
 #[derive(Debug)]
 pub enum BindError<E>
 {
    IO(io::Error),
    Warp(warp::Error),
    Other(E),
 }
 impl<E: error::Error + 'static> error::Error for BindError<E>
 {
    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
 	Some(match &self {
 	    Self::IO(io) => io,
 	    Self::Other(o) => o,
 	    Self::Warp(w) => w,
 	})
    }
 }
 impl<E: fmt::Display> fmt::Display for BindError<E>
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	match self {
 	    Self::IO(io) => write!(f, "io error: {}", io),
 	    Self::Other(other) => write!(f, "{}", other),
 	    Self::Warp(warp) => write!(f, "server error: {}", warp),
 	}
    }
 }
 #[derive(Debug)]
 pub struct BindpointParseError;
 impl error::Error for BindpointParseError{}
 impl fmt::Display for BindpointParseError
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	write!(f, "Failed to parse bindpoint as IP or unix domain socket")
    }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize, PartialOrd)]
 pub enum Bindpoint
 {
    Unix(PathBuf),
    TCP(SocketAddr),
 }
 impl fmt::Display for Bindpoint
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	match self {
 	    Self::Unix(unix) => write!(f, "unix:/{}", unix.to_string_lossy()),
 	    Self::TCP(tcp) => write!(f, "{}", tcp),
 	}
    }
 }
 impl std::str::FromStr for Bindpoint
 {
    type Err = BindpointParseError;
    fn from_str(s: &str) -> Result<Self, Self::Err> {
 	Ok(if let Ok(ip) = s.parse::<SocketAddr>() {
 	    Self::TCP(ip)
 	} else if s.starts_with("unix:/") {
 	    Self::Unix(PathBuf::from(&s[6..].to_owned()))
 	} else {
 	    return Err(BindpointParseError);  
 	})
    }
 }
 fn bind_unix(to: impl AsRef<Path>) -> io::Result<impl TryStream<Ok= impl AsyncRead + AsyncWrite + Send + Unpin + 'static + Send, Error = impl Into<Box<dyn std::error::Error + Send + Sync>>>>
 {
    debug!("Binding to AF_UNIX: {:?}", to.as_ref());
    let listener = tokio::net::UnixListener::bind(to)?;
    Ok(listener)
 }
 pub fn serve<F>(server: warp::Server<F>, bind: Bindpoint, signal: impl Future<Output=()> + Send + 'static) -> Result<(Bindpoint, BoxFuture<'static, ()>), BindError<std::convert::Infallible>>
 where F: Filter + Clone + Send + Sync + 'static,
 <F::Future as TryFuture>::Ok: warp::Reply,
 {
    Ok(match bind {
 	Bindpoint::TCP(sock) => server.try_bind_with_graceful_shutdown(sock, signal).map(|(sock, fut)| (Bindpoint::TCP(sock), fut.boxed())).map_err(BindError::Warp)?,
 	Bindpoint::Unix(unix) => {
 	    (Bindpoint::Unix(unix.clone()),
 	     server.serve_incoming_with_graceful_shutdown(bind_unix(unix).map_err(BindError::IO)?, signal).boxed())
 	},
    })
 }
 impl From<SocketAddr> for Bindpoint
 {
    fn from(from: SocketAddr) -> Self
    {
 	Self::TCP(from)
    }
 }
 pub fn try_serve<F>(server: warp::Server<F>, bind: impl TryBindpoint, signal: impl Future<Output=()> + Send + 'static) -> Result<(Bindpoint, BoxFuture<'static, ()>), BindError<impl error::Error + 'static>>
 where F: Filter + Clone + Send + Sync + 'static,
 <F::Future as TryFuture>::Ok: warp::Reply,
 {
    serve(server, bind.try_parse().map_err(BindError::Other)?, signal).map_err(BindError::coerce)
 }
 pub trait TryBindpoint: Sized
 {
    type Err: error::Error + 'static;
    fn try_parse(self) -> Result<Bindpoint, Self::Err>;
 }
 impl TryBindpoint for Bindpoint
 {
    type Err = std::convert::Infallible;
    fn try_parse(self) -> Result<Bindpoint, Self::Err>
    {
 	Ok(self)
    }
 }
 impl<T: AsRef<str>> TryBindpoint for T
 {
    type Err = BindpointParseError;
    fn try_parse(self) -> Result<Bindpoint, Self::Err>
    {
 	self.as_ref().parse()
    }
 }
 impl BindError<std::convert::Infallible>
 {
    pub fn coerce<T>(self) -> BindError<T>
    {
 	match self {
 	    Self::Warp(w) => BindError::Warp(w),
 	    Self::IO(w) => BindError::IO(w),
 	    /*#[cold]*/ _ => unreachable!(),
 	}
    }
 }
--- a/src/bytes.rs
+++ b/src/bytes.rs
@ -0,0 +1,29 @@
 use std::ptr;
 /// Copy slice of bytes only
 ///
 /// # Notes
 /// `dst` and `src` must not overlap. See [move_slice].
 pub fn copy_slice(dst: &mut [u8], src: &[u8]) -> usize
 {
    let sz = std::cmp::min(dst.len(),src.len());
    unsafe {
 	//libc::memcpy(&mut dst[0] as *mut u8 as *mut c_void, &src[0] as *const u8 as *const c_void, sz);
 	ptr::copy_nonoverlapping(&src[0] as *const u8, &mut dst[0] as *mut u8, sz);
    }
    sz
 }
 /// Move slice of bytes only
 ///
 /// # Notes
 /// `dst` and `src` can overlap.
 pub fn move_slice(dst: &mut [u8], src: &[u8]) -> usize
 {
    let sz = std::cmp::min(dst.len(),src.len());
    unsafe {
 	//libc::memmove(&mut dst[0] as *mut u8 as *mut c_void, &src[0] as *const u8 as *const c_void, sz);
 	ptr::copy(&src[0] as *const u8, &mut dst[0] as *mut u8, sz);
    }
    sz
 }
--- a/src/chunking.rs
+++ b/src/chunking.rs
@ -0,0 +1,282 @@
 //! Stream related things
 use super::*;
 use std::{  
    task::{
 	Poll,
 	Context,
    },
    pin::Pin,
    marker::PhantomData,
 };
 use tokio::{
    io::{
 	AsyncBufRead,
 	AsyncRead,
    },
    prelude::*,
 };
 use futures::{
    stream::{
 	Stream,
 	StreamExt,
 	Fuse,
    },
 };
 use pin_project::pin_project;
 /// Converts a stream of byte-containing objects into an `AsyncRead` and `AsyncBufRead`er.
 #[pin_project]
 pub struct StreamReader<I, T>
 where I: Stream<Item=T>
 {
    #[pin]
    source: Fuse<I>,
    buffer: Vec<u8>,
 }
 impl<T, I> StreamReader<I, T>
 where I: Stream<Item=T>,
      T: AsRef<[u8]>
 {
    /// The current buffer
    pub fn buffer(&self) -> &[u8]
    {
 	&self.buffer[..]
    }
    /// Consume into the original stream
    pub fn into_inner(self) -> I
    {
 	self.source.into_inner()
    }
    /// Create a new instance with a buffer capacity
    pub fn with_capacity(source: I, cap: usize) -> Self
    {
 	Self {
 	    source: source.fuse(),
 	    buffer: Vec::with_capacity(cap)
 	}
    }
    /// Create a new instance from this stream
    pub fn new(source: I) -> Self
    {
 	Self {
 	    source: source.fuse(),
 	    buffer: Vec::new(),
 	}
    }
    /// Attempt to add to this buffer
    #[cold] fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<usize>
    {
 	let this = self.project();
 	match this.source.poll_next(cx) {
 	    Poll::Ready(None) => Poll::Ready(0),
 	    Poll::Ready(Some(buf)) if buf.as_ref().len() > 0 => {
 		let buf = buf.as_ref();
 		this.buffer.extend_from_slice(buf);
 		Poll::Ready(buf.len())
 	    },
 	    _ => Poll::Pending,
 	}
    }
 }
 impl<T: AsRef<[u8]>, I: Stream<Item=T>> AsyncRead for StreamReader<I,T>
 {
    fn poll_read(self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut [u8]) -> Poll<io::Result<usize>> {
 	let this = self.project();
 	if this.buffer.len() != 0 {
 	    // We can fill the whole buffer, do it.
 	    Poll::Ready(Ok(bytes::copy_slice(buf, this.buffer.drain(..buf.len()).as_slice())))
 	} else  {
 	    // Buffer is empty, try to fill it
 	    match match this.source.poll_next(cx) {
 		Poll::Ready(None) => Poll::Ready(0),
 		Poll::Ready(Some(buf)) if buf.as_ref().len() > 0 => {
 		    let buf = buf.as_ref();
 		    this.buffer.extend_from_slice(buf);
 		    Poll::Ready(buf.len())
 		},
 		_ => Poll::Pending,
 	    } {
 		Poll::Ready(0) => Poll::Ready(Ok(0)),
 		Poll::Ready(x) => {
 		    // x has been written
 		    Poll::Ready(Ok(bytes::copy_slice(buf, this.buffer.drain(..x).as_slice())))
 		},
 		_ => Poll::Pending,
 	    }	
 	}
    }
 }
 impl<T: AsRef<[u8]>, I: Stream<Item=T>> AsyncBufRead for StreamReader<I,T>
 {
    fn poll_fill_buf(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<&[u8]>> {
 	let this = self.project();
 	if this.buffer.len() < 1 {
 	    // Fetch more into buffer
 	    match match this.source.poll_next(cx) {
 		Poll::Ready(None) => Poll::Ready(0),
 		Poll::Ready(Some(buf)) if buf.as_ref().len() > 0 => {
 		    let buf = buf.as_ref();
 		    this.buffer.extend_from_slice(buf);
 		    Poll::Ready(buf.len())
 		},
 		_ => Poll::Pending,
 	    } {
 		Poll::Ready(0) => Poll::Ready(Ok(&[])), // should we return EOF error here?
 		Poll::Ready(x) => Poll::Ready(Ok(&this.buffer[..x])),
 		_ => Poll::Pending
 	    }
 	} else {
 	    Poll::Ready(Ok(&this.buffer[..]))
 	}
    }
    fn consume(self: Pin<&mut Self>, amt: usize) {
 	self.project().buffer.drain(..amt);
    }
 }
 #[cfg(test)]
 mod tests
 {
    use super::*;
    use tokio::{
 	sync::{
 	    mpsc,
 	},
    };
    #[tokio::test]
    async fn stream_of_vec()
    {
 	let (mut tx, rx) = mpsc::channel(16);
 	let sender = tokio::spawn(async move {
 	    tx.send("Hello ").await.unwrap();
 	    tx.send("world").await.unwrap();
 	    tx.send("\n").await.unwrap();
 	    tx.send("How ").await.unwrap();
 	    tx.send("are ").await.unwrap();
 	    tx.send("you").await.unwrap();
 	});
 	let mut reader = StreamReader::new(rx);
 	let mut output = String::new();
 	let mut read;
 	while {read = reader.read_line(&mut output).await.expect("Failed to read"); read!=0} {
 	    println!("Read: {}", read);
 	}
 	println!("Done: {:?}", output);
 	sender.await.expect("Child panic");
 	assert_eq!(&output[..], "Hello world\nHow are you");
    }
 }
 /// A stream that chunks its input.
 #[pin_project]
 pub struct ChunkingStream<S, T, Into=Vec<T>>
 {
    #[pin] stream: Fuse<S>,
    buf: Vec<T>,
    cap: usize,
    _output: PhantomData<Into>,
    push_now: bool,
 }
 impl<S, T, Into>  ChunkingStream<S,T, Into>
 where S: Stream<Item=T>,
      Into: From<Vec<T>>
 {
    pub fn new(stream: S, sz: usize) -> Self
    {
 	Self {
 	    stream: stream.fuse(),
 	    buf: Vec::with_capacity(sz),
 	    cap: sz,
 	    _output: PhantomData,
 	    push_now: false,
 	}
    }
    pub fn into_inner(self) -> S
    {
 	self.stream.into_inner()
    }
    pub fn cap(&self) -> usize
    {
 	self.cap
    }
    pub fn buffer(&self) -> &[T]
    {
 	&self.buf[..]
    }
    pub fn get_ref(&self) -> &S
    {
 	self.stream.get_ref()
    }
    pub fn get_mut(&mut self)-> &mut S
    {
 	self.stream.get_mut()
    }
    /// Force the next read to send the buffer even if it's not full.
    ///
    /// # Note
    /// The buffer still won't send if it's empty.
    pub fn push_now(&mut self)
    {
 	self.push_now= true;
    }
    /// Consume into the current held buffer
    pub fn into_buffer(self) -> Vec<T>
    {
 	self.buf
    }
    /// Take the buffer now
    pub fn take_now(&mut self) -> Into
    {
 	std::mem::replace(&mut self.buf, Vec::with_capacity(self.cap)).into()
    }
 }
 impl<S, T, Into> Stream for ChunkingStream<S,T, Into>
 where S: Stream<Item=T>,
      Into: From<Vec<T>>
 {
    type Item = Into;
    fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
 	while !(self.push_now && !self.buf.is_empty()) && self.buf.len() < self.cap {
 	    // Buffer isn't full, keep filling
 	    let this = self.as_mut().project();
 	    match this.stream.poll_next(cx) {
 		Poll::Ready(None) => {
 		    // Stream is over
 		    break;
 		},
 		Poll::Ready(Some(item)) => {
 		    this.buf.push(item);
 		},
 		_ => return Poll::Pending,
 	    }
 	}
 	debug!("Sending buffer of {} (cap {})", self.buf.len(), self.cap);
 	// Buffer is full or we reach end of stream
 	Poll::Ready(if self.buf.len() == 0 {
 	    None
 	} else {
 	    let this = self.project();
 	    *this.push_now = false;
 	    let output = std::mem::replace(this.buf, Vec::with_capacity(*this.cap));
 	    Some(output.into())
 	})
    }
 }
--- a/src/config.rs
+++ b/src/config.rs
@ -0,0 +1,282 @@
 //! Server config
 use super::*;
 use std::{
    net::SocketAddr,
    path::Path,
    io,
    borrow::Cow,
    num::NonZeroU64,
    error,
    fmt,
 };
 use tokio::{
    fs::OpenOptions,
    prelude::*,
    time::Duration,
    io::BufReader,
 };
 use ipfilt::IpFilter;
 pub const DEFAULT_FILE_LOCATION: &'static str = "markov.toml";
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Hash, Serialize, Deserialize)]
 pub struct Config
 {
    pub bindpoint: String,
    pub file: String,
    pub max_content_length: u64,
    pub max_gen_size: usize,
    pub save_interval_secs: Option<NonZeroU64>,
    pub trust_x_forwarded_for: bool,
    #[serde(default)]
    pub feed_bounds: String,
    #[serde(default)]
    pub filter: FilterConfig,
    #[serde(default)]
    pub writer: WriterConfig,
    #[serde(default)]
    pub mask: IpFilter,
 }
 #[derive(Debug, Default, Clone, PartialEq, Eq, PartialOrd, Hash, Serialize, Deserialize)]
 pub struct FilterConfig
 {
    #[serde(default)]
    inbound: String,
    #[serde(default)]
    outbound: String,
 }
 #[derive(Debug, Copy,  Clone, PartialEq, Eq, PartialOrd, Hash, Serialize, Deserialize)]
 pub struct WriterConfig
 {
    pub backlog: usize,
    pub internal_backlog: usize,
    pub capacity: usize,
    pub timeout_ms: Option<u64>,
    pub throttle_ms: Option<u64>,
 }
 impl Default for WriterConfig
 {
    #[inline]
    fn default() -> Self
    {
 	Self {
 	    backlog: 32,
 	    internal_backlog: 8,
 	    capacity: 4,
 	    timeout_ms: None,
 	    throttle_ms: None,
 	}
    }
 }
 impl WriterConfig
 {
    fn create_settings(self, bounds: range::DynRange<usize>) -> handle::Settings
    {
 	handle::Settings{
 	    backlog: self.backlog,
 	    internal_backlog: self.internal_backlog,
 	    capacity: self.capacity,
 	    timeout: self.timeout_ms.map(tokio::time::Duration::from_millis).unwrap_or(handle::DEFAULT_TIMEOUT),
 	    throttle: self.throttle_ms.map(tokio::time::Duration::from_millis),
 	    bounds,
 	}
    }
 }
 impl FilterConfig
 {
    fn get_inbound_filter(&self) -> sanitise::filter::Filter
    {
 	let filt: sanitise::filter::Filter = self.inbound.parse().unwrap();
 	if !filt.is_empty()
 	{
 	    info!("Loaded inbound filter: {:?}", filt.iter().collect::<String>());
 	}
 	filt
    }
    fn get_outbound_filter(&self) -> sanitise::filter::Filter
    {
 	let filt: sanitise::filter::Filter = self.outbound.parse().unwrap();
 	if !filt.is_empty()
 	{
 	    info!("Loaded outbound filter: {:?}", filt.iter().collect::<String>());
 	}
 	filt
    }
 }
 impl Default for Config
 {
    #[inline]
    fn default() -> Self
    {
 	Self {
 	    bindpoint: SocketAddr::from(([127,0,0,1], 8001)).to_string(),
 	    file: "chain.dat".to_owned(),
 	    max_content_length: 1024 * 1024 * 4,
 	    max_gen_size: 256,
 	    save_interval_secs: Some(unsafe{NonZeroU64::new_unchecked(2)}),
 	    trust_x_forwarded_for: false,
 	    filter: Default::default(),
 	    feed_bounds: "2..".to_owned(),
 	    writer: Default::default(),
 	    mask: Default::default(),
 	}
    }
 }
 impl Config
 {
    /// Try to generate a config cache for this instance.
    pub fn try_gen_cache(&self) -> Result<Cache, InvalidConfigError>
    {
 	macro_rules! section {
 	    ($name:literal, $expr:expr) => {
 		match $expr {
 		    Ok(v) => Ok(v),
 		    Err(e) => Err(InvalidConfigError($name, Box::new(e))),
 		}
 	    }
 	}
 	use std::ops::RangeBounds;
 	let feed_bounds = section!("feed_bounds", self.parse_feed_bounds()).and_then(|bounds| if bounds.contains(&0) {
 		Err(InvalidConfigError("feed_bounds", Box::new(opaque_error!("Bounds not allowed to contains 0 (they were `{}`)", bounds))))
 	    } else {
 		Ok(bounds)
 	    })?;
 	Ok(Cache {
 	    handler_settings: self.writer.create_settings(feed_bounds.clone()),
 	    feed_bounds,
 	    inbound_filter: self.filter.get_inbound_filter(),
 	    outbound_filter: self.filter.get_outbound_filter(),
 	})
    }
    /// Try to parse the `feed_bounds`
    fn parse_feed_bounds(&self) -> Result<range::DynRange<usize>, range::ParseError>
    {
 	if self.feed_bounds.len() == 0 {
 	    Ok(feed::DEFAULT_FEED_BOUNDS.into())
 	} else {
 	    self.feed_bounds.parse()
 	}
    }
    pub fn save_interval(&self) -> Option<Duration>
    {
 	self.save_interval_secs.map(|x| Duration::from_secs(x.into()))
    }
    pub async fn load(from: impl AsRef<Path>) -> io::Result<Self>
    {
 	let file = OpenOptions::new()
 	    .read(true)
 	    .open(from).await?;
 	let mut buffer= String::new();
 	let reader = BufReader::new(file);
 	let mut lines = reader.lines();
 	while let Some(line) = lines.next_line().await? {
 	    buffer.push_str(&line[..]);
 	    buffer.push('\n');
 	}
 	toml::de::from_str(&buffer[..]).map_err(|e| io::Error::new(io::ErrorKind::InvalidInput, e))
    }
    pub async fn save(&self, to: impl AsRef<Path>) -> io::Result<()>
    {
 	let config = toml::ser::to_string_pretty(self).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
 	let mut file = OpenOptions::new()
 	    .write(true)
 	    .create(true)
 	    .truncate(true)
 	    .open(to).await?;
 	file.write_all(config.as_bytes()).await?;
 	file.shutdown().await?;
 	Ok(())
    }
 }
 /// Try to load config file specified by args, or default config file
 pub fn load() -> impl futures::future::Future<Output =Option<Config>>
 {
    load_args(std::env::args().skip(1))
 }
 async fn load_args<I: Iterator<Item=String>>(mut from: I) -> Option<Config>
 {
    let place = if let Some(arg) = from.next() {
 	trace!("File {:?} provided", arg);
 	Cow::Owned(arg)
    } else {
 	warn!("No config file provided. Using default location {:?}", DEFAULT_FILE_LOCATION);
 	Cow::Borrowed(DEFAULT_FILE_LOCATION)
    };
    match Config::load(place.as_ref()).await {
 	Ok(cfg) => {
 	    info!("Loaded config file {:?}", place);
 	    Some(cfg)
 	},
 	Err(err) => {
 	    error!("Failed to load config file from {:?}: {}", place, err);
 	    None
 	},
    }
 }
 #[derive(Debug)]
 pub struct InvalidConfigError(&'static str, Box<dyn error::Error+ 'static>);
 impl InvalidConfigError
 {
    pub fn field(&self) -> &str
    {
 	&self.0[..]
    }
 }
 impl error::Error for InvalidConfigError
 {
    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
 	Some(self.1.as_ref())
    }
 }
 impl fmt::Display for InvalidConfigError
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	write!(f,"failed to parse field `{}`: {}", self.0, self.1)
    }
 }
 /// Caches some parsed config arguments
 #[derive(Clone, PartialEq)]
 pub struct Cache
 {
    pub feed_bounds: range::DynRange<usize>,
    pub inbound_filter: sanitise::filter::Filter,
    pub outbound_filter: sanitise::filter::Filter,
    pub handler_settings: handle::Settings,
 }
 impl fmt::Debug for Cache
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	f.debug_struct("Cache")
 	    .field("feed_bounds", &self.feed_bounds)
 	    .field("inbound_filter", &self.inbound_filter.iter().collect::<String>())
 	    .field("outbound_filter", &self.outbound_filter.iter().collect::<String>())
 	    .field("handler_settings", &self.handler_settings)
 	    .finish()
    }
 }
--- a/src/ext.rs
+++ b/src/ext.rs
@ -0,0 +1,183 @@
 //! Extensions
 use super::*;
 use std::{
    iter,
    ops::{
 	Range,
 	Deref,DerefMut,
    },
    marker::{
 	PhantomData,
 	Send,
    },
 };
 pub trait StringJoinExt: Sized
 {
    fn join<P: AsRef<str>>(self, sep: P) -> String;
 }
 impl<I,T> StringJoinExt for I
 where I: IntoIterator<Item=T>,
      T: AsRef<str>
 {
    fn join<P: AsRef<str>>(self, sep: P) -> String
    {
 	let mut string = String::new();
 	for (first, s) in iter::successors(Some(true), |_| Some(false)).zip(self.into_iter())
 	{
 	    if !first {
 		string.push_str(sep.as_ref());
 	    }
 	    string.push_str(s.as_ref());
 	}
 	string
    }
 }
 pub trait FindSliceBounds
 {
    type SliceType: ?Sized;
    fn slice_bounds(&self, from: &Self::SliceType) -> Range<usize>;
 }
 impl<T: ?Sized + AsRef<str>> FindSliceBounds for T
 {
    type SliceType = str;
    fn slice_bounds(&self, from: &Self::SliceType) -> Range<usize>{
 	let this = self.as_ref();
 	unsafe {
 	    let sptr = from.as_ptr();
 	    let eptr = sptr.add(from.len());
 	    let ssptr = this.as_ptr();
 	    let septr = ssptr.add(this.len());
 	    let sptr = sptr as usize;
 	    let ssptr = ssptr as usize;
 	    let eptr = eptr as usize;
 	    let septr = septr as usize;
 	    assert!(sptr >= ssptr && sptr <= septr, "Start index of slice is outside the bounds of self");
 	    assert!(eptr >= ssptr && eptr <= septr, "End index of slice is outside the bounds of self");
 	    (sptr - ssptr)..(eptr - ssptr)
 	}
    }
 }
 pub trait SliceInPlace
 {
    fn drain_inverse<R: std::ops::RangeBounds<usize>>(&mut self, slice: R);
 }
 impl SliceInPlace for String
 {
    fn drain_inverse<R: std::ops::RangeBounds<usize>>(&mut self, slice: R)
    {
 	use std::ops::Bound;
 	match slice.end_bound() {
 	    Bound::Excluded(&ex) => drop(self.drain(ex..)),
 	    Bound::Included(&inc) => drop(self.drain(inc+1..)),
 	    _ => (),
 	};
 	match slice.start_bound() {
 	    Bound::Included(&ex) => drop(self.drain(..ex)),
 	    Bound::Excluded(&ex) => drop(..ex+1),
 	    _ => ()
 	};
    }
 }
 pub trait TrimInPlace
 {
    fn trim_in_place(&mut self) -> &mut Self;
 }
 impl TrimInPlace for String
 {
    fn trim_in_place(&mut self) -> &mut Self {
 	let bounds = self.slice_bounds(self.trim());
 	self.drain_inverse(bounds);
 	self
    }
 }
 pub trait MapTuple2<T,U>
 {
    fn map<V,W, F: FnOnce((T,U)) -> (V,W)>(self, fun: F) -> (V,W);
 }
 impl<T,U> MapTuple2<T,U> for (T,U)
 {
    #[inline] fn map<V,W, F: FnOnce((T,U)) -> (V,W)>(self, fun: F) -> (V,W)
    {
 	fun(self)
    }
 }
 /// To make sure we don't keep this data across an `await` boundary.
 #[repr(transparent)]
 pub struct AssertNotSend<T>(pub T, PhantomData<*const T>);
 impl<T> AssertNotSend<T>
 {
    pub const fn new(from :T) -> Self
    {
 	Self(from, PhantomData)
    }
    pub fn into_inner(self) -> T
    {
 	self.0
    }
 }
 /// Require a future is Send
 #[inline(always)] pub fn require_send<T: Send>(t: T) -> T
 {
    t
 }
 /// Require a value implements a specific trait
 #[macro_export] macro_rules! require_impl {
    ($t:path: $val:expr) => {
 	{
 	    #[inline(always)] fn require_impl<T: $t >(val: T) -> T {
 		val
 	    }
 	    require_impl($val)
 	}
    }
 }
 impl<T> Deref for AssertNotSend<T>
 {
    type Target = T;
    fn deref(&self) -> &Self::Target {
 	&self.0
    }
 }
 impl<T> DerefMut for AssertNotSend<T>
 {
    fn deref_mut(&mut self) -> &mut Self::Target {
 	&mut self.0
    }
 }
 pub trait ChunkStreamExt<T>: Sized
 {
    fn chunk_into<I: From<Vec<T>>>(self, sz: usize) -> chunking::ChunkingStream<Self,T,I>;
    fn chunk(self, sz: usize) -> chunking::ChunkingStream<Self, T>
    {
 	self.chunk_into(sz)
    }
 }
 impl<S, T> ChunkStreamExt<T> for S
 where S: Stream<Item=T>
 {
    fn chunk_into<I: From<Vec<T>>>(self, sz: usize) -> chunking::ChunkingStream<Self,T,I>
    {
 	chunking::ChunkingStream::new(self, sz)
    }
 }
--- a/src/feed.rs
+++ b/src/feed.rs
@ -0,0 +1,160 @@
 //! Feeding the chain
 use super::*;
 #[cfg(any(feature="feed-sentance", feature="split-sentance"))]
 use sanitise::Sentance;
 #[allow(unused_imports)]
 use futures::stream;
 pub const DEFAULT_FEED_BOUNDS: std::ops::RangeFrom<usize> = 2..;
 /// Feed `what` into `chain`, at least `bounds` tokens.
 ///
 /// # Tokenising
 /// How the tokens are split within this function that operates on single buffers is determined largely by the features `split-sentance` and `feed-sentance` determining the use of the sentance API.
 ///
 /// ## Pipeline
 /// Since this is called on single buffers, it happens after the `split-newlines` tokenising if it's enabled, and thus the sentance API is only able to operate on each seperate line if that feature is enabled, regardless of `always-aggre`, or `feed-sentance` or `split-sentance`.
 /// This is the pipeline for just within this function, after splitting through newlines if enabled.
 ///
 /// * `feed-sentance`
 /// ** Feed the buffer through the sentance split tokeniser
 /// ** Feed the sentances through the word split tokeniser
 /// ** Feed each collection of words into the chain seperately
 /// * `split-sentance`
 /// ** Feed the buffer through the sentance split tokeniser
 /// ** Feed the sentances through the word split tokeniser
 /// ** Feed the flattened collection into the chain once, concatenated.
 /// * Neither
 /// ** Feed the buffer through the word split tokeniser
 /// ** Feed the collection into the chain
 pub fn feed(chain: &mut Chain<String>, what: impl AsRef<str>, bounds: impl std::ops::RangeBounds<usize>)
 {
    cfg_if! {
 	if #[cfg(feature="feed-sentance")] { 
 	    let map = Sentance::new_iter(&what) //get each sentance in string
 		.map(|what| what.words()
 		     .map(|s| s.to_owned()).collect::<Vec<_>>());
 	    debug_assert!(!bounds.contains(&0), "Cannot allow 0 size feeds");
 	    for map in map {// feed each sentance seperately
 		if bounds.contains(&map.len()) {
 		    debug!("Feeding chain {} items", map.len());
 		    chain.feed(map);
 		}
 		else {
 		    debug!("Ignoring feed of invalid length {}: {:?}", map.len(), map);
 		}
 	    }
 	} else {
 	    cfg_if!{
 		if #[cfg(feature="split-sentance")] {
 		    let map = Sentance::new_iter(&what) //get each sentance in string
 			.map(|what| what.words())
 			.flatten() // add all into one buffer
 			.map(|s| s.to_owned()).collect::<Vec<_>>();
 		} else {
 		    let map: Vec<_> = sanitise::words(what.as_ref()).map(ToOwned::to_owned)
 			.collect();
 		}
 	    }
 	    debug_assert!(!bounds.contains(&0), "Cannot allow 0 size feeds");
 	    if bounds.contains(&map.len()) {
 		//debug!("Feeding chain {} items", map.len());
 		chain.feed(map);
 	    }
 	    else {
 		debug!("Ignoring feed of invalid length {}: {:?}", map.len(), map);
 	    }
 	}
    }
 }
 pub async fn full(who: &IpAddr, state: State, body: impl Unpin + Stream<Item = Result<impl Buf, impl std::error::Error + 'static>>) -> Result<usize, FillBodyError> {
    let mut written = 0usize;
    if_debug! {
 	let timer = std::time::Instant::now();
    }
    //let bounds = &state.config_cache().feed_bounds;
    macro_rules! feed {
 	($buffer:expr) => {
 	    {
 		let buffer = $buffer;
 		state.chain_write(buffer).await.map_err(|_| FillBodyError)?;
 	    }
 	}
    }
    cfg_if!{
 	if #[cfg(any(not(feature="split-newlines"), feature="always-aggregate"))] {
 	    let mut body = body;
 	    let mut buffer = Vec::new();
 	    while let Some(buf) = body.next().await {
 		let mut body = buf.map_err(|_| FillBodyError)?;
 		while body.has_remaining() {
 		    if body.bytes().len() > 0 {
 			buffer.extend_from_slice(body.bytes()); 
 			let cnt = body.bytes().len();
 			body.advance(cnt);
 			written += cnt;
 		    }
 		}
 	    }
 	    let buffer = std::str::from_utf8(&buffer[..]).map_err(|_| FillBodyError)?;
 	    let buffer = state.inbound_filter().filter_cow(buffer);
 	    info!("{} -> {:?}", who, buffer);
 	    cfg_if! {
 		if #[cfg(feature="split-newlines")] {
 		    feed!(stream::iter(buffer.split('\n').filter(|line| !line.trim().is_empty())
 				       .map(|x| x.to_owned())))
 		} else {
 		    feed!(stream::once(async move{buffer.into_owned()}));
 		}
 	    }
 	} else {
 	    use tokio::prelude::*;
 	    let reader = chunking::StreamReader::new(body.filter_map(|x| x.map(|mut x| x.to_bytes()).ok()));
 	    let lines = reader.lines();
 	    feed!(lines.filter_map(|x| x.ok().and_then(|line| {
 		let line = state.inbound_filter().filter_cow(&line);
 		let line = line.trim();
 		if !line.is_empty() {
 		    //#[cfg(not(feature="hog-buffer"))] 
 		    //let mut chain = state.chain().write().await; // Acquire mutex once per line? Is this right?
 		    info!("{} -> {:?}", who, line);
 		    written+=line.len();
 		    Some(line.to_owned())
 		} else {
 		    None
 		}
 	    })));
 	}
    }
    if_debug! {
 	trace!("Write took {}ms", timer.elapsed().as_millis());
    }
    Ok(written)
 }
 #[derive(Debug)]
 pub struct FillBodyError;
 impl error::Error for FillBodyError{}
 impl warp::reject::Reject for FillBodyError{}
 impl fmt::Display for FillBodyError
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	write!(f, "failed to feed chain with this data")
    }
 }
--- a/src/forwarded_list.rs
+++ b/src/forwarded_list.rs
@ -0,0 +1,74 @@
 use std::{
    net::{
 	IpAddr,
 	AddrParseError,
    },
    str,
    error,
    fmt,
 };
 #[derive(Debug)]
 pub struct XFormatError;
 impl error::Error for XFormatError{}
 impl fmt::Display for XFormatError
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	write!(f, "X-Forwarded-For was not in the correct format")
    }
 }
 #[derive(Debug, Clone, PartialOrd, PartialEq, Eq, Default)]
 pub struct XForwardedFor(Vec<IpAddr>);
 impl XForwardedFor
 {
    pub fn new() -> Self
    {
 	Self(Vec::new())
    }
    pub fn single(ip: impl Into<IpAddr>) -> Self
    {
 	Self(vec![ip.into()])
    }
    pub fn addrs(&self) -> &[IpAddr]
    {
 	&self.0[..]
    }
    pub fn into_first(self) -> Option<IpAddr>
    {
 	self.0.into_iter().next()
    }
    pub fn into_addrs(self) -> Vec<IpAddr>
    {
 	self.0
    }
 }
 impl str::FromStr for XForwardedFor
 {
    type Err = XFormatError;
    fn from_str(s: &str) -> Result<Self, Self::Err> {
 	let mut output = Vec::new();
 	for next in s.split(',')
 	{
 	    output.push(next.trim().parse()?)
 	}
 	Ok(Self(output))
    }
 }
 impl From<AddrParseError> for XFormatError
 {
    #[inline(always)] fn from(_: AddrParseError) -> Self
    {
 	Self
    }
 }
--- a/src/gen.rs
+++ b/src/gen.rs
@ -0,0 +1,46 @@
 //! Generating the strings
 use super::*;
 use tokio::sync::mpsc::error::SendError;
 use futures::StreamExt;
 #[derive(Debug, Default)]
 pub struct GenBodyError(Option<String>);
 impl error::Error for GenBodyError{}
 impl fmt::Display for GenBodyError
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	if let Some(z) = &self.0 {
 	    write!(f, "failed to write read string {:?} to body", z)
 	} else {
 	    write!(f, "failed to read string from chain. it might be empty.")
 	}
    }
 }
 pub async fn body(state: State, num: Option<usize>, mut output: mpsc::Sender<String>) -> Result<(), GenBodyError>
 {
    let mut chain = state.chain_read();
    let filter = state.outbound_filter();
    match num {
 	Some(num) if num < state.config().max_gen_size => {
 	    let mut chain = chain.take(num);
 	    while let Some(string) = chain.next().await {
 		output.send(filter.filter_owned(string)).await?;
 	    }
 	},
 	_ => output.send(filter.filter_owned(chain.next().await.ok_or_else(GenBodyError::default)?)).await?,
    }
    Ok(())
 }
 impl From<SendError<String>> for GenBodyError
 {
    #[inline] fn from(from: SendError<String>) -> Self
    {
 	Self(Some(from.0))
    }
 }
--- a/src/handle.rs
+++ b/src/handle.rs
@ -0,0 +1,392 @@
 //! Chain handler.
 use super::*;
 use std::{
    marker::Send,
    sync::Weak,
    num::NonZeroUsize,
    task::{Poll, Context,},
    pin::Pin,
 };
 use tokio::{
    sync::{
 	RwLock,
 	RwLockReadGuard,
 	mpsc::{
 	    self,
 	    error::SendError,
 	},
 	watch,
 	Notify,
    },
    task::JoinHandle,
    time::{
 	self,
 	Duration,
    },
 };
 use futures::StreamExt;
 pub const DEFAULT_TIMEOUT: Duration= Duration::from_secs(5);
 /// Settings for chain handler
 #[derive(Debug, Clone, PartialEq)]
 pub struct Settings
 {
    pub backlog: usize,
    pub internal_backlog: usize,
    pub capacity: usize,
    pub timeout: Duration,
    pub throttle: Option<Duration>,
    pub bounds: range::DynRange<usize>,
 }
 impl Settings
 {
    /// Should we keep this string.
    #[inline] fn matches(&self, _s: &str) -> bool
    {
 	true
    }
 }
 impl Default for Settings
 {
    #[inline]
    fn default() -> Self
    {
 	Self {
 	    backlog: 32,
 	    internal_backlog: 8,
 	    capacity: 4,
 	    timeout: Duration::from_secs(5),
 	    throttle: Some(Duration::from_millis(200)),
 	    bounds: feed::DEFAULT_FEED_BOUNDS.into(),
 	}
    }
 }
 #[derive(Debug)]
 struct HostInner<T>
 {
    input: mpsc::Receiver<Vec<T>>,
    shutdown: watch::Receiver<bool>,
 }
 #[derive(Debug)]
 struct Handle<T: Send+ chain::Chainable>
 {
    chain: RwLock<chain::Chain<T>>,
    input: mpsc::Sender<Vec<T>>,
    opt: Settings,
    notify_write: Arc<Notify>,
    push_now: Arc<Notify>,
    shutdown: watch::Sender<bool>,
    /// Data used only for the worker task.
    host: msg::Once<HostInner<T>>,
 }
 #[derive(Clone, Debug)]
 pub struct ChainHandle<T: Send + chain::Chainable>(Arc<Box<Handle<T>>>);
 impl<T: Send+ chain::Chainable + 'static> ChainHandle<T>
 {
    pub fn with_settings(chain: chain::Chain<T>, opt: Settings) -> Self
    {
 	let (shutdown_tx, shutdown) = watch::channel(false);
 	let (itx, irx) = mpsc::channel(opt.backlog);
 	Self(Arc::new(Box::new(Handle{
 	    chain: RwLock::new(chain),
 	    input: itx,
 	    opt,
 	    push_now: Arc::new(Notify::new()),
 	    notify_write: Arc::new(Notify::new()),
 	    shutdown: shutdown_tx,
 	    host: msg::Once::new(HostInner{
 		input: irx,
 		shutdown,
 	    })
 	})))
    }
    /// Acquire the chain read lock
    async fn chain(&self) -> RwLockReadGuard<'_, chain::Chain<T>>
    {
 	self.0.chain.read().await
    }
    /// A reference to the chain
    pub fn chain_ref(&self) -> &RwLock<chain::Chain<T>>
    {
 	&self.0.chain
    }
    /// Create a stream that reads generated values forever.
    pub fn read(&self) -> ChainStream<T>
    {
 	ChainStream{
 	    chain: Arc::downgrade(&self.0),
 	    buffer: Vec::with_capacity(self.0.opt.backlog),
 	}
    }
    /// Send this buffer to the chain
    pub fn write(&self, buf: Vec<T>) -> impl futures::Future<Output = Result<(), SendError<Vec<T>>>> + 'static
    {
 	let mut write = self.0.input.clone();
 	async move {
 	    write.send(buf).await
 	}
    }
    /// Send this stream buffer to the chain
    pub fn write_stream<'a, I: Stream<Item=T>>(&self, buf: I) -> impl futures::Future<Output = Result<(), SendError<Vec<T>>>> + 'a
    where I: 'a
    {
 	let mut write = self.0.input.clone();
 	async move {
 	    write.send(buf.collect().await).await
 	}
    }
    /// Send this buffer to the chain
    pub async fn write_in_place(&self, buf: Vec<T>) -> Result<(), SendError<Vec<T>>>
    {
 	self.0.input.clone().send(buf).await
    }
    /// A referencer for the notifier
    pub fn notify_when(&self) -> &Arc<Notify>
    {
 	&self.0.notify_write
    }
    /// Force the pending buffers to be written to the chain now
    pub fn push_now(&self)
    {
 	self.0.push_now.notify();
    }
    /// Hang the worker thread, preventing it from taking any more inputs and also flushing it.
    ///
    /// # Panics
    /// If there was no worker thread.
    pub fn hang(&self)
    {
 	trace!("Communicating hang request");
 	self.0.shutdown.broadcast(true).expect("Failed to communicate hang");
    }
 }
 impl ChainHandle<String>
 {
    #[deprecated = "use read() pls"]
    pub async fn generate_body(&self, state: &state::State, num: Option<usize>, mut output: mpsc::Sender<String>) -> Result<(), SendError<String>>
    {
 	let chain = self.chain().await;
 	if !chain.is_empty() {
 	    let filter = state.outbound_filter();
 	    match num {
 		Some(num) if num < state.config().max_gen_size => {
 		    //This could DoS writes, potentially.
 		    for string in chain.str_iter_for(num) {
 			output.send(filter.filter_owned(string)).await?;
 		    }
 		},
 		_ => output.send(filter.filter_owned(chain.generate_str())).await?,
 	    }
 	}
 	Ok(())
    }
 }
 /// Host this handle on the current task.
 ///
 /// # Panics
 /// If `from` has already been hosted.
 pub async fn host(from: ChainHandle<String>)
 {
    let opt = from.0.opt.clone();
    let mut data = from.0.host.unwrap().await;
    let (mut tx, mut child) = {
 	// The `real` input channel.
 	let from = from.clone();
 	let opt = opt.clone();
 	let (tx, rx) = mpsc::channel::<Vec<Vec<_>>>(opt.internal_backlog);
 	(tx, tokio::spawn(async move {
 	    let mut rx = if let Some(thr) = opt.throttle {
 		time::throttle(thr, rx).boxed()
 	    } else {
 		rx.boxed()
 	    };
 	    trace!("child: Begin waiting on parent");
 	    while let Some(item) = rx.next().await {
 		if item.len() > 0 {
 		    info!("Write lock acq");
 		    let mut lock = from.0.chain.write().await;
 		    for item in item.into_iter()
 		    {
 			use std::ops::DerefMut;
 			for item in item.into_iter() {
 			    feed::feed(lock.deref_mut(), item, &from.0.opt.bounds);
 			}
 		    }
 		    trace!("Signalling write");
 		    from.0.notify_write.notify();
 		}
 	    }
 	    trace!("child: exiting");
 	}))
    };
    trace!("Begin polling on child");
    tokio::select!{
 	v = &mut child => {
 	    match v  {
 		/*#[cold]*/ Ok(_) => {warn!("Child exited before we have? This should probably never happen.")},//Should never happen.
 		Err(e) => {error!("Child exited abnormally. Aborting: {}", e)}, //Child panic or cancel.
 	    }
 	},
 	_ = async move {
 	    let mut rx = data.input.chunk(opt.capacity); //we don't even need this tbh, oh well.
 	    if !data.shutdown.recv().await.unwrap_or(true) { //first shutdown we get for free
 		while Arc::strong_count(&from.0) > 2 {
 		    if *data.shutdown.borrow() {
 			break;
 		    }
 		    tokio::select!{
 			Some(true) = data.shutdown.recv() => {
 			    debug!("Got shutdown (hang) request. Sending now then breaking");
 			    let mut rest = {
 				let irx = rx.get_mut();
 				irx.close();  //accept no more inputs
 				let mut output = Vec::with_capacity(opt.capacity);
 				while let Ok(item) = irx.try_recv() {
 				    output.push(item);
 				}
 				output
 			    };
 			    rest.extend(rx.take_now());
 			    if rest.len() > 0 {
 				if let Err(err) = tx.send(rest).await {
 				    error!("Failed to force send buffer, exiting now: {}", err);
 				}
 			    }
 			    break;
 			}
 			_ = time::delay_for(opt.timeout) => {
 			    trace!("Setting push now");
 			    rx.push_now();
 			}
 			_ = from.0.push_now.notified() => {
 			    debug!("Got force push signal");
 			    let take =rx.take_now();
 			    rx.push_now();
 			    if take.len() > 0 {
 				if let Err(err) = tx.send(take).await {
 				    error!("Failed to force send buffer: {}", err);
 				    break;
 				}
 			    }
 			}
 			Some(buffer) = rx.next() => {
 			    debug!("Sending {} (cap {})", buffer.len(), buffer.capacity());
 			    if let Err(err) = tx.send(buffer).await {
 				// Receive closed?
 				//
 				// This probably shouldn't happen, as we `select!` for it up there and child never calls `close()` on `rx`.
 				// In any case, it means we should abort.
 				/*#[cold]*/ error!("Failed to send buffer: {}", err);
 				break;
 			    }
 			}
 		    }
 		}
 	    }
 	    let last = rx.into_buffer();
 	    if last.len() > 0 {
 		if let Err(err) = tx.send(last).await {
 		    error!("Failed to force send last part of buffer: {}", err);
 		} else {
 		    trace!("Sent rest of buffer");
 		}
 	    }
 	} => {
 	    // Normal exit
 	    trace!("Normal exit")
 	},
    }
    trace!("Waiting on child");
    // No more handles except child, no more possible inputs.
    child.await.expect("Child panic");
    trace!("Returning");
 }
 /// Spawn a new chain handler for this chain.
 pub fn spawn(from: chain::Chain<String>, opt: Settings) -> (JoinHandle<()>, ChainHandle<String>)
 {
    debug!("Spawning with opt: {:?}", opt);
    let handle = ChainHandle::with_settings(from, opt);
    (tokio::spawn(host(handle.clone())), handle)
 }
 #[derive(Debug)]
 pub struct ChainStream<T: Send + chain::Chainable>
 {
    chain: Weak<Box<Handle<T>>>,
    buffer: Vec<T>,
 }
 impl ChainStream<String>
 {
    async fn try_pull(&mut self, n: usize) -> Option<NonZeroUsize>
    {
 	if n == 0 {
 	    return None;
 	}
 	if let Some(read) = self.chain.upgrade() {
 	    let chain = read.chain.read().await;
 	    if chain.is_empty() {
 		return None;
 	    }
 	    let n = if n == 1 {
 		self.buffer.push(chain.generate_str());
 		1
 	    } else {
 		self.buffer.extend(chain.str_iter_for(n));
 		n //for now
 	    };
 	    Some(unsafe{NonZeroUsize::new_unchecked(n)})
 	} else {
 	    None
 	}
    }
 }
 impl Stream for ChainStream<String>
 {
    type Item = String;
    fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
 	use futures::Future;
 	let this = self.get_mut();
 	if this.buffer.len() == 0 {
 	    let pull = this.try_pull(this.buffer.capacity());
 	    tokio::pin!(pull);
 	    match pull.poll(cx) {
 		Poll::Ready(Some(_)) => {},
 		Poll::Pending => return Poll::Pending,
 		_ => return Poll::Ready(None),
 	    };
 	}
 	debug_assert!(this.buffer.len()>0);
 	Poll::Ready(Some(this.buffer.remove(0)))
    }
 }
--- a/src/ipfilt.rs
+++ b/src/ipfilt.rs
@ -0,0 +1,181 @@
 //! Filter accepts and denies based on cidr masks.
 use super::*;
 use cidr::{
    Cidr,
    IpCidr,
 };
 use std::{
    net::{
 	IpAddr,
    },
    error,
    fmt,
 };
 #[derive(Debug)]
 pub struct IpFilterDeniedError(IpAddr, Option<IpCidr>);
 impl warp::reject::Reject for IpFilterDeniedError{}
 impl error::Error for IpFilterDeniedError{}
 impl fmt::Display for IpFilterDeniedError
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	write!(f, "Denied {} due to ", self.0)?;
 	match &self.1 {
 	    Some(cidr) => write!(f, "matching rule {}", cidr),
 	    None => write!(f, "non-matching accept rule"),
 	}
    }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash, Copy, PartialOrd, Ord,  Serialize, Deserialize)]
 pub enum Rule
 {
    Accept,
    Deny,
 }
 impl Default for Rule
 {
    #[inline]
    fn default() -> Self
    {
 	Self::Deny
    }
 }
 impl Rule
 {
    fn into_result<'a>(self, net: Option<&'a IpCidr>) -> Result<Option<&'a IpCidr>, Option<IpCidr>>
    {
 	if let Self::Accept = self {
 	    Ok(net)
 	} else {
 	    Err(net.cloned())
 	}
    }
 }
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
 pub struct IpFilter
 {
    /// The default fallback rule
    pub default: Rule,
    #[serde(default)]
    accept: Vec<IpCidr>,
    #[serde(default)]
    deny: Vec<IpCidr>,
 }
 #[inline] fn find_in<'a>(needle: &IpAddr, haystack: &'a [IpCidr]) -> Option<&'a IpCidr>
 {
    for x in haystack.iter()
    {
 	if x.contains(needle) {
 	    return Some(x);
 	}
    }
    None
 }
 impl Default for IpFilter
 {
    #[inline]
    fn default() -> Self
    {
 	Self {
 	    default: Rule::Deny,
 	    accept: vec![cidr::Cidr::new_host([127,0,0,1].into())],
 	    deny: Vec::default(),
 	}
    }
 }
 impl IpFilter
 {
    /// Create a new CIDR filter with thie default rule.
    ///
    /// Use `default()` to use with default rule.
    pub fn new(fallback: Rule) -> Self
    {
 	Self {
 	    default: fallback,
 	    accept: Vec::new(),
 	    deny: Vec::new(),
 	}
    }
    /// Checks the rule for this IP, returns a result if it should accept or not.
    ///
    /// If acceptance rule is met, return the CIDR match that caused the acceptance if applicable
    ///
    /// If acceptance rule is not met, return in the error which CIDR match cause the deny if applicable
    pub fn check(&self, ip: &IpAddr) -> Result<Option<&'_ IpCidr>, IpFilterDeniedError>
    {
 	let accept = find_in(ip, &self.accept[..]);
 	let deny = find_in(ip, &self.deny[..]);
 	let (rule, cidr) = match (accept, deny) {
 	    (None, Some(net)) => (Rule::Deny, Some(net)),
 	    (Some(net), None) => (Rule::Accept, Some(net)),
 	    (Some(ac), Some(den)) if ac != den => {
 		if ac.network_length() > den.network_length() {
 		    (Rule::Accept, Some(ac))
 		} else {
 		    (Rule::Deny, Some(den))
 		}
 	    },
 	    _ => (self.default, None)
 	};
 	rule.into_result(cidr)
 	    .map_err(|cidr| IpFilterDeniedError(*ip, cidr))
    }
    pub fn accept_mask(&self) -> &[IpCidr]
    {
 	&self.accept[..]
    }
    pub fn deny_mask(&self) -> &[IpCidr]
    {
 	&self.deny[..]
    }
    pub fn accept_range(&mut self, items: impl IntoIterator<Item = IpCidr>)
    {
 	self.accept.extend(items)
    }
    pub fn deny_range(&mut self, items: impl IntoIterator<Item = IpCidr>)
    {
 	self.deny.extend(items)
    }
    pub fn accept_one(&mut self, item: IpCidr)
    {
 	self.accept.push(item)
    }
    pub fn deny_one(&mut self, items: IpCidr)
    {
 	self.deny.push(items)
    }
    /// Can any connection ever be accepted?
    pub fn possible(&self) -> bool
    {
 	//TODO: Test this
 	!(self.default == Rule::Deny && self.accept.len() == 0) &&
 	    !(self.deny.iter().find(|x| x.network_length() == 0).is_some() && self.accept.len() == 0)
    }
 }
 pub async fn recover(err: warp::Rejection) -> Result<impl warp::Reply, warp::Rejection>
 {
    if let Some(t) = err.find::<IpFilterDeniedError>() {
 	error!("Denying access to {} because of {:?} (403)", t.0, t.1);
 	Ok(warp::http::Response::builder()
 	   .status(status!(403))
 	   .body(format!("Access denied: {}", t)))
    } else {
 	Err(err)
    }
 }
--- a/src/main.rs
+++ b/src/main.rs
@ -1,49 +1,340 @@
 #![allow(dead_code)]
 #[macro_use] extern crate log;
 use chain::{
    Chain,
 };
 use warp::{
    Filter,
    Buf,
    reply::Response,
 };
 use hyper::Body;
 use std::{
-    io::{
+    sync::Arc,
-	BufRead,
+    fmt,
-	self,
+    error,
    net::{
 	SocketAddr,
 	IpAddr,
    },
 };
 use tokio::{
    sync::{
 	RwLock,
 	mpsc,
 	Notify,
    },
    stream::{Stream,StreamExt,},
 };
 use serde::{
    Serialize,
    Deserialize
 };
 use futures::{
    future::{
 	FutureExt,
 	BoxFuture,
 	join_all,
    },
 };
 use lazy_static::lazy_static;
 use cfg_if::cfg_if;
 macro_rules! if_debug {
    ($($tt:tt)*) => {
 	cfg_if::cfg_if!{
 	    if #[cfg(debug_assertions)] {
 		$($tt)*
 	    }
 	}
    }
 }
 macro_rules! status {
    ($code:expr) => {
 	::warp::http::status::StatusCode::from_u16($code).unwrap()
    };
 }
 mod ext;
 use ext::*;
 mod util;
 mod range;
 mod sanitise;
 mod bytes;
 mod chunking;
 #[cfg(feature="api")]
 mod api;
 #[cfg(target_family="unix")]
 mod signals;
 mod config;
 mod msg;
 mod state;
 use state::State;
 mod save;
 mod ipfilt;
 mod forwarded_list;
 use forwarded_list::XForwardedFor;
 mod handle;
 mod feed;
 mod gen;
 mod sentance;
 const DEFAULT_LOG_LEVEL: &str = "warn";
 fn init_log()
 {
    let level = match std::env::var_os("RUST_LOG") {
 	None => {
 	    std::env::set_var("RUST_LOG", DEFAULT_LOG_LEVEL);
 	    std::borrow::Cow::Borrowed(std::ffi::OsStr::new(DEFAULT_LOG_LEVEL))
 	},
 	Some(w) => std::borrow::Cow::Owned(w),
    };
    pretty_env_logger::init();
    trace!("Initialising `genmarkov` ({}) v{} with log level {:?}.\n\tMade by {} with <3.\n\tLicensed with GPL v3 or later",
 	   std::env::args().next().unwrap(),
 	   env!("CARGO_PKG_VERSION"),
 	   level,
 	   env!("CARGO_PKG_AUTHORS"));
 }
 #[tokio::main]
 async fn main() {
    init_log();
    let (config, ccache) = match config::load().await {
 	Some(v) => {
 	    let cache = match v.try_gen_cache() {
 		Ok(c) => c,
 		Err(e) => {
 		    error!("Invalid config, cannot continue");
 		    error!("{}", e);
 		    debug!("{:?}", e);
 		    return;
 		},
 	    };
 	    (v, cache)
 	},
 	_ => {
 	    let cfg = config::Config::default();
 	    #[cfg(debug_assertions)]
 	    {
 		if let Err(err) = cfg.save(config::DEFAULT_FILE_LOCATION).await {
 		    error!("Failed to create default config file: {}", err);
 		}
 	    }
 	    let cache=  cfg.try_gen_cache().unwrap();
 	    (cfg, cache)
 	},
    };	
    debug!("Using config {:?}", config);
    trace!("With config cached: {:?}", ccache);
-fn buffered_read_all_lines<T: BufRead+?Sized, F: FnMut(&str) -> io::Result<()>>(input: &mut T, mut then: F) -> io::Result<usize>
+    let (chain_handle, chain) = handle::spawn(match save::load(&config.file).await {
 	Ok(chain) => {
 	    info!("Loaded chain from {:?}", config.file);
 	    chain
 	},
 	Err(e) => {
 	    warn!("Failed to load chain, creating new");
 	    trace!("Error: {}", e);
 	    Chain::new()
 	},
    }, ccache.handler_settings.clone());
    {
-    let mut buffer = String::new();
+	let mut tasks = Vec::<BoxFuture<'static, ()>>::new();
-    let mut read;
+	tasks.push(chain_handle.map(|res| res.expect("Chain handle panicked")).boxed());
-    let mut total=0;
+	let (state, chain) = {
-    while {read = input.read_line(&mut buffer)?; read!=0} {
+	    
-	if buffer.trim().len() > 0 {
+	    let state = State::new(config,
-	    then(&buffer[..])?;
+				   ccache,
 				   chain);
 	    let state2 = state.clone();
 	    let saver = tokio::spawn(save::host(Box::new(state.clone())));
 	    let chain = warp::any().map(move || state.clone());
 	    tasks.push(saver.map(|res| res.expect("Saver panicked")).boxed());
 	    (state2, chain)
 	};
 	let client_ip = if state.config().trust_x_forwarded_for {
 	    warp::header("x-forwarded-for")
 		.map(|ip: XForwardedFor| ip)
 		.and_then(|x: XForwardedFor| async move { x.into_first().ok_or_else(|| warp::reject::not_found()) })
 		.or(warp::filters::addr::remote()
 		    .and_then(|x: Option<SocketAddr>| async move { x.map(|x| x.ip()).ok_or_else(|| warp::reject::not_found()) }))
 		.unify().boxed()
 	} else {
 	    warp::filters::addr::remote().and_then(|x: Option<SocketAddr>| async move {x.map(|x| x.ip()).ok_or_else(|| warp::reject::not_found())}).boxed()
 	};
 	let ipfilter = warp::any()
 	    .and(chain)
 	    .and(client_ip)
 	    .and_then(|state: State, host: IpAddr| {
 		async move {
 		    state.config().mask.check(&host)
 			.map(|ci| {
 			    trace!("Accepting from rule {:?}", ci);
 			    host
 			})
 			.map(move |host| (state, host))
 			.map_err(warp::reject::custom)
 		}
 	    }).untuple_one();
 	let push = warp::put()
 	    .and(warp::path("put"))
 	    .and(ipfilter.clone())
 	    .and(warp::body::content_length_limit(state.config().max_content_length))
 	    .and(warp::body::stream())
 	    .and_then(|state: State, host: IpAddr, buf| {
 		async move {
 		    feed::full(&host, state, buf).await
 			.map(|_| warp::reply::with_status(warp::reply(), status!(201)))
 			.map_err(|_| warp::reject::not_found()) //(warp::reject::custom) //TODO: Recover rejection filter down below for custom error return
 		}
 	    })
 	    .recover(ipfilt::recover)
 	    .with(warp::log("markov::put"));
 	cfg_if!{
 	    if #[cfg(feature="api")] {
 		let api = {
 		    let single = {
 			let msz = state.config().max_gen_size;
 			warp::post()
 			    .and(ipfilter.clone())
 			    .and(warp::path("single"))
 			    .and(warp::path::param()
 				 .map(move |sz: usize| {
 				     if sz == 0 || (2..=msz).contains(&sz) {
 					 Some(sz)
 				     } else {
 					 None
 				     }
 				 })
 				 .or(warp::any().map(|| None))
 				 .unify())
 			    .and(warp::body::content_length_limit(state.config().max_content_length))
 			    .and(warp::body::aggregate())
 			    .map(|_, x, y, z| (x,y,z)).untuple_one()
 			    .and_then(api::single)
 			    .with(warp::log("markov::api::single"))
 		    };
 		    warp::path("api")
 			.and(single)
 			.recover(ipfilt::recover)
 			.recover(api::error::rejection)
 		};
 	    }
 	buffer.clear();
 	total += read;
 	}
-    Ok(total)
+	
 	let read = warp::get()
 	    .and(ipfilter.clone())
 	    .and(warp::path::param().map(|opt: usize| Some(opt))
 		 .or(warp::path::end().map(|| Option::<usize>::None)).unify())
 	    .and_then(|state: State, host: IpAddr, num: Option<usize>| {
 		async move {
 		    let (tx, rx) = mpsc::channel(state.config().max_gen_size);
 		    tokio::spawn(gen::body(state, num, tx));
 		    Ok::<_, std::convert::Infallible>(Response::new(Body::wrap_stream(rx.filter_map(move |mut x| {
 			if x.trim_in_place().len() != 0 {
 			    info!("{} <- {:?}", host, x);
 			    x.push('\n');
 			    Some(Ok::<_, std::convert::Infallible>(x))
 			} else {
 			    None
 			}
 		    }))))
 		}
 	    })
 	    .recover(ipfilt::recover)
 	    .with(warp::log("markov::read"));
-fn main() {
+	let sentance = warp::get()
-    let stdin = io::stdin();
+	    .and(warp::path("sentance")) //TODO: sanitise::Sentance::new_iter the body line
-    let mut stdin = stdin.lock();
+	    .and(ipfilter.clone())
-    let mut chain = Chain::new();
+	    .and(warp::path::param().map(|opt: usize| Some(opt))
 		 .or(warp::path::end().map(|| Option::<usize>::None)).unify())
 	    .and_then(|state: State, host: IpAddr, num: Option<usize>| {
 		async move {
 		    let (tx, rx) = mpsc::channel(state.config().max_gen_size);
 		    tokio::spawn(sentance::body(state, num, tx));
 		    Ok::<_, std::convert::Infallible>(Response::new(Body::wrap_stream(rx.filter_map(move |mut x| {
 			if x.trim_in_place().len() != 0 {
 			    info!("{} (sentance) <- {:?}", host, x);
 			    x.push(' ');
 			    Some(Ok::<_, std::convert::Infallible>(x))
 			} else {
 			    None
 			}
 		    }))))
 		}
 	    })
 	    .recover(ipfilt::recover)
 	    .with(warp::log("markov::read::sentance"));
-    buffered_read_all_lines(&mut stdin, |string| {
+	let read = warp::path("get").and(read.or(sentance));
-        chain.feed(&string.split_whitespace()
+	#[cfg(feature="api")]
-                   .filter(|word| !word.is_empty())
+	let read = read.or(api);
                   .map(|s| s.to_owned()).collect::<Vec<_>>());
-	Ok(())
+	#[cfg(target_family="unix")]
-    }).expect("Failed to read from stdin");
+	tasks.push(tokio::spawn(signals::handle(state.clone())).map(|res| res.expect("Signal handler panicked")).boxed());
-    if !chain.is_empty() {
+	require_impl!(Send: async {
-	if let Some(num) = std::env::args().skip(1).next() {
+	    let (server, init) = {
-	    let sz: usize = num.parse().expect("Cannot parse number of tokens to generate");
+		let s2 = AssertNotSend::new(state.clone()); //temp clone the Arcs here for shutdown if server fails to bind, assert they cannot remain cloned across an await boundary.
-	    for string in chain.str_iter_for(sz) {
+		match bind::try_serve(warp::serve(push
-		println!("{}", string);
+						  .or(read)),
 				      state.config().bindpoint.clone(),
 				      async move {
 					  tokio::signal::ctrl_c().await.unwrap();
 					  state.shutdown();
 				      }) {
 		    Ok((addr, server)) => {
 			info!("Server bound on {:?}", addr);
 			(server, s2.into_inner().into_initialiser())
 		    },
 		    Err(err) => {
 			error!("Failed to bind server: {}", err);
 			s2.into_inner().shutdown();
 			return;
 		    },
 		}
 	    };
 	    tokio::join![
 		server,
 		async move {
 		    cfg_if! {
 			if #[cfg(feature="instant-init")] {
 			    trace!("Setting init");
 			} else {
-	    println!("{}", chain.generate_str());
+			    trace!("Setting init in 2 seconds for good measure.");
 			    tokio::time::delay_for(tokio::time::Duration::from_secs(2)).await;
 			}
 		    }
 		    init.set().expect("Failed to initialise saver")	
 		},
 	    ];
 	}).await;
 	// Cleanup
 	async move {
 	    trace!("Cleanup");
 	    debug!("Waiting on {} tasks now", tasks.len());
 	    join_all(tasks).await;
 	}
    }.await;
    info!("Shut down gracefully")
 }
 mod bind;
--- a/src/msg.rs
+++ b/src/msg.rs
@ -0,0 +1,210 @@
 //! Message passing things
 use super::*;
 use tokio::{
    sync::{
 	watch,
 	Mutex,
    },
 };
 use std::{
    task::{Poll, Context},
    pin::Pin,
    fmt,
    error,
 };
 use futures::{
    future::{
 	Future,
    },
 };
 #[derive(Debug)]
 pub struct InitError;
 #[derive(Debug)]
 pub struct InitWaitError;
 impl error::Error for InitError{}
 impl fmt::Display for InitError
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	write!(f, "failed to set init value")
    }
 }
 impl error::Error for InitWaitError{}
 impl fmt::Display for InitWaitError
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	write!(f, "failed to receive init value")
    }
 }
 /// Provides a method of waiting on and setting a single initialisation.
 ///
 /// In general, it should only be set once, as multiple sets do nothing but hog `Arc`s.
 /// Dropping the `Initialiser` after waiting or setting should generally be done immediately.
 /// Choose the `into_wait()` and `set()` varients over the non-consuming ones.
 #[derive(Clone, Debug)]
 pub struct Initialiser
 {
    tx: Arc<watch::Sender<bool>>,
    rx: watch::Receiver<bool>
 }
 impl Initialiser
 {
    /// Create a new, unset initialiser
    pub fn new() -> Self
    {
 	let (tx, rx) = watch::channel(false);
 	Self {
 	    tx: Arc::new(tx),
 	    rx,
 	}
    }
    /// Create a pre-set initialiser. Calls to `wait()` will immediately resolve.
    pub fn new_set() -> Self
    {
 	let (tx, rx) = watch::channel(true);
 	Self {
 	    tx: Arc::new(tx),
 	    rx,
 	}
    }
    /// Consume into a future that completes when init is set.
    pub fn into_wait(self) -> impl Future<Output=Result<(), InitWaitError>> + 'static
    {
 	let mut rx = self.rx;
 	async move {
 	    if !*rx.borrow() {
 		while !rx.recv().await.ok_or_else(|| InitWaitError)? {
 		    //tokio::task::yield_now().await;
 		}
 		Ok(())
 	    } else {
 		Ok(())
 	    }
 	}
    }
    /// Clone into a future that completes when init is set.
    ///
    /// This method does not clone any `Arc`s and is prefered to `self.clone().into_wait()`.
    /// Use this when the `Initialiser` you want to wait on is behind a shared reference.
    pub fn clone_into_wait(&self) -> impl Future<Output=Result<(), InitWaitError>> + 'static
    {
 	let mut rx = self.rx.clone();
 	async move {
 	    if !*rx.borrow() {
 		while !rx.recv().await.ok_or_else(|| InitWaitError)? {
 		    //tokio::task::yield_now().await;
 		}
 		Ok(())
 	    } else {
 		Ok(())
 	    }
 	}
    }
    /// Completes when init is set
    pub async fn wait(&mut self) -> Result<(), InitWaitError>
    {
 	if !*self.rx.borrow() {
 	    while !self.rx.recv().await.ok_or_else(|| InitWaitError)? {
 		//tokio::task::yield_now().await;
 	    }
 	    Ok(())
 	} else {
 	    Ok(())
 	}
    }
    /// Is init set?
    pub fn is_set(&self) -> bool
    {
 	*self.rx.borrow()
    }
    /// Consume and set init if it's not already set
    pub fn set(self) -> Result<(), InitError>
    {
 	if !*self.rx.borrow() {
 	    self.tx.broadcast(true).map_err(|_| InitError)
 	} else {
 	    Ok(())
 	}
    }
    /// Set init without consuming.
    ///
    /// # Note
    /// It is prefered to use `set()`, as this method may make `Arc`s hang around longer than they need to.
    /// Calling this multiple times is useless.
    pub fn set_in_place(&self) -> Result<(), InitError>
    {
 	if !*self.rx.borrow() {
 	    self.tx.broadcast(true).map_err(|_| InitError)
 	} else {
 	    Ok(())
 	}
    }
 }
 impl Future for Initialiser
 {
    type Output = Result<(), InitWaitError>;
    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
 	let uhh = self.wait();
 	tokio::pin!(uhh);
 	uhh.poll(cx)
    }
 }
 /// A value that can be consumed once.
 #[derive(Debug)]
 pub struct Once<T>(Mutex<Option<T>>);
 impl<T> Once<T>
 {
    /// Create a new instance
    pub fn new(from: T) -> Self
    {
 	Self(Mutex::new(Some(from)))
    }
    /// Consume into the instance from behind a potentially shared reference.
    pub async fn consume_shared(self: Arc<Self>) -> Option<T>
    {
 	match Arc::try_unwrap(self) {
 	    Ok(x) => x.0.into_inner(),
 	    Err(x) => x.0.lock().await.take(),
 	}
    }
    /// Consume from a shared reference and panic if the value has already been consumed.
    pub async fn unwrap_shared(self: Arc<Self>) -> T
    {
 	self.consume_shared().await.unwrap()
    }
    /// Consume into the instance.
    pub async fn consume(&self) -> Option<T>
    {
 	self.0.lock().await.take()
    }
    /// Consume and panic if the value has already been consumed.
    pub async fn unwrap(&self) -> T
    {
 	self.consume().await.unwrap()
    }
    /// Consume into the inner value
    pub fn into_inner(self) -> Option<T>
    {
 	self.0.into_inner()
    }
 }
--- a/src/range.rs
+++ b/src/range.rs
@ -0,0 +1,296 @@
 //! Workarounds for ridiculously janky `std::ops::Range*` polymorphism
 use super::*;
 use std::{
    ops::{
 	Range,
 	RangeFrom,
 	RangeInclusive,
 	RangeTo,
 	RangeToInclusive,
 	RangeFull,
 	Bound,
 	RangeBounds,
    },
    str::{
 	FromStr,
    },
    fmt,
    error,
 };
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum DynRange<T>
 {
    Range(Range<T>),
    From(RangeFrom<T>),
    Inclusive(RangeInclusive<T>),
    To(RangeTo<T>),
    ToInclusive(RangeToInclusive<T>),
    Full(RangeFull),
 }
 #[macro_export] macro_rules! impl_from {
    (Full, RangeFull) => {
 	impl<T> From<RangeFull> for DynRange<T>
 	{
 	    #[inline] fn from(from: RangeFull) -> Self
 	    {
 		Self::Full(from)
 	    }
 	}
    };
    ($name:ident, $range:tt) => {
 	impl<T> From<$range <T>> for DynRange<T>
 	{
 	    #[inline] fn from(from: $range<T>) -> Self
 	    {
 		Self::$name(from)
 	    }
 	}
    };
 }
 impl_from!(Range, Range);
 impl_from!(From, RangeFrom);
 impl_from!(Inclusive, RangeInclusive);
 impl_from!(To, RangeTo);
 impl_from!(ToInclusive, RangeToInclusive);
 impl_from!(Full, RangeFull);
 macro_rules! bounds {
    ($self:ident, $bound:ident) => {
 	match $self {
 	    DynRange::Range(from) => from.$bound(),
 	    DynRange::From(from) => from.$bound(),
 	    DynRange::Inclusive(i) => i.$bound(),
 	    DynRange::To(i) => i.$bound(),
 	    DynRange::ToInclusive(i) => i.$bound(),
 	    DynRange::Full(_) => (..).$bound(),
 	}
    };
 }
 impl<T> RangeBounds<T> for DynRange<T>
 {
    fn start_bound(&self) -> Bound<&T> {
 	bounds!(self, start_bound)
    }
    fn end_bound(&self) -> Bound<&T> {
 	bounds!(self, end_bound)
    }
 }
 impl<'a, T> RangeBounds<T> for &'a DynRange<T>
 {
    fn start_bound(&self) -> Bound<&T> {
 	bounds!(self, start_bound)
    }
    fn end_bound(&self) -> Bound<&T> {
 	bounds!(self, end_bound)
    }
 }
 impl<T: fmt::Display> fmt::Display for DynRange<T>
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	match self {
 	    Self::Range(from) => write!(f, "{}..{}", from.start, from.end),
 	    Self::From(from) => write!(f, "{}..", from.start),
 	    Self::Inclusive(from) => write!(f, "{}..={}", from.start(), from.end()),
 	    Self::To(from) => write!(f, "..{}", from.end),
 	    Self::ToInclusive(from) => write!(f, "..={}", from.end),
 	    Self::Full(_) => write!(f, ".."),
 	}
    }
 }
 use std::any::{
    Any,
 };
 impl<T: 'static> DynRange<T>
 {
    #[inline]
    pub fn into_boxed(self) -> Box<dyn Any /*TODO: + Send + Sync */+ 'static>
    {
        self.into_inner()
    }
    fn into_inner(self) -> Box<dyn Any + 'static>
    {
 	match self {
 	    Self::Range(from) => Box::new(from),
 	    Self::From(from) => Box::new(from),
 	    Self::Inclusive(from) => Box::new(from),
 	    Self::To(from) => Box::new(from),
 	    Self::ToInclusive(from) => Box::new(from),
 	    Self::Full(_) => Box::new(..),
 	}
    }
    fn inner_mut(&mut self) -> &mut dyn Any
    {
 	match self {
 	    Self::Range(from) => from,
 	    Self::From(from) => from,
 	    Self::Inclusive(from) => from,
 	    Self::To(from) => from,
 	    Self::ToInclusive(from) => from,
 	    Self::Full(f) => f,
 	}
    }
    fn inner_ref(&self) -> &dyn Any
    {
 	match self {
 	    Self::Range(from) => from,
 	    Self::From(from) => from,
 	    Self::Inclusive(from) => from,
 	    Self::To(from) => from,
 	    Self::ToInclusive(from) => from,
 	    Self::Full(_) => &(..),
 	}
    }
    pub fn downcast_ref<R: RangeBounds<T> + 'static>(&self) -> Option<&R>
    {
 	self.inner_ref().downcast_ref()
    }
    pub fn downcast_mut<R: RangeBounds<T> + 'static>(&mut self) -> Option<&mut R>
    {
 	self.inner_mut().downcast_mut()
    }
    pub fn downcast<R: RangeBounds<T> + 'static>(self) -> Result<R, Self>
    {
 	self.into_inner().downcast::<R>()
 		.map(|x| *x)
 		.map_err(|b| {
 		    todo!("make this bullshit properly unboxable ehh...")
        })
 	//Box::<(dyn std::any::Any + 'static)>::downcast(Box::new(self)).map_ok(|ok| *ok)
    }			
 }
 #[derive(Debug)]
 pub struct ParseError(DynRange<()>, Option<Box<dyn error::Error+'static>>);
 impl ParseError
 {
    fn new<R: Into<DynRange<()>>>(which: R, err: impl error::Error + 'static) -> Self
    {
 	Self(which.into(), Some(Box::new(err)))
    }
    fn none(which: impl Into<DynRange<()>>) -> Self
    {
 	Self(which.into(), None)
    }
    fn map<T: Into<DynRange<()>>>(self, to: T) -> Self
    {
 	Self (to.into(), self.1)
    }
 }
 impl error::Error for ParseError
 {
    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
 	if let Some(this) = self.1.as_ref() {
 	    Some(this.as_ref())
 	} else {
 	    None
 	}
    }
 }
 impl fmt::Display for ParseError
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	write!(f, "failed to parse range in format `{:?}`", self.0)?;
 	if let Some(this) = self.1.as_ref() {
 	    write!(f, ": {}", this)?;
 	}
 	Ok(())
    }
 }
 impl<T: FromStr> FromStr for DynRange<T>
 where T::Err: error::Error + 'static
 {
    type Err = ParseError;
    fn from_str(s: &str) -> Result<Self, Self::Err> {
 	if s== ".." {
 	    Ok(Self::Full(..))
 	} else if s.starts_with("..=") {
 	    Ok(Self::ToInclusive(..=T::from_str(&s[3..]).map_err(|x| ParseError::new(..=(), x))?))
 	} else if s.starts_with("..") {
 	    Ok(Self::To(..(T::from_str(&s[2..])).map_err(|x| ParseError::new(..(), x))?))
 	} else if s.ends_with("..") {
 	    Ok(Self::From(T::from_str(&s[..s.len()-2]).map_err(|x| ParseError::new(().., x))?..))
 	} else {
 	    fn try_next_incl<'a, T: FromStr>(m: &mut impl Iterator<Item=&'a str>) -> Result<RangeInclusive<T>, ParseError>
 	    where T::Err: error::Error + 'static
 	    {
 		let (first, second) = if let Some(first) = m.next() {
 		    if let Some(seocond) = m.next() {
 			(first,seocond)
 		    } else {
 			return Err(ParseError::none(()..=()));
 		    }
 		} else {
 		    return Err(ParseError::none(()..=()));
 		};
 		let first: T = first.parse().map_err(|x| ParseError::new(()..=(), x))?;
 		let second: T = second.parse().map_err(|x| ParseError::new(()..=(), x))?;
 		Ok(first..=second)
 	    }
 	    fn try_next<'a, T: FromStr>(m: &mut impl Iterator<Item=&'a str>) -> Result<Range<T>, ParseError>
 	    where T::Err: error::Error + 'static
 	    {
 		let (first, second) = if let Some(first) = m.next() {
 		    if let Some(seocond) = m.next() {
 			(first,seocond)
 		    } else {
 			return Err(ParseError::none(()..()));
 		    }
 		} else {
 		    return Err(ParseError::none(()..()));
 		};
 		let first: T = first.parse().map_err(|x| ParseError::new(()..(), x))?;
 		let second: T = second.parse().map_err(|x| ParseError::new(()..(), x))?;
 		Ok(first..second)
 	    }
 	    let mut split = s.split("..=").fuse();
 	    let mut last_err = ParseError::none(()..());
 	    match loop {
 		match try_next_incl(&mut split) {
 		    Err(ParseError(_, None)) => break Err(last_err), // iter empty
 		    Err(other) => last_err = other,
 		    Ok(value) => break Ok(Self::Inclusive(value)),
 		}
 	    } {
 		Ok(v) => return Ok(v),
 		Err(e) => last_err = e,
 	    };
 	    let mut split = s.split("..").fuse();
 	    match loop {
 		match try_next(&mut split) {
 		    Err(ParseError(_, None)) => break Err(last_err), // iter empty
 		    Err(other) => last_err = other,
 		    Ok(value) => break Ok(Self::Range(value)),
 		}
 	    } {
 		Ok(v) => Ok(v),
 		Err(e) => Err(e),
 	    }
 	}
    }
 }
--- a/src/sanitise/filter.rs
+++ b/src/sanitise/filter.rs
@ -0,0 +1,277 @@
 //! Filter out characters and such
 use smallmap::Map as SmallMap;
 use std::{
    borrow::Cow,
    fmt,
    iter::{
 	self,
 	FromIterator,
    },
    str,
 };
 use once_cell::sync::OnceCell;
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct Filter(SmallMap<char, ()>);
 /*
 impl<const N: usize> From<[char; N]> for Filter
 {
    fn from(from: [char; N]) -> Self
    {
 	let mut map = SmallMap::with_capacity(1 + (N / 256));
 	for &chr in from.iter()
 	{
 	    map.insert(chr, ());
 	}
 	Self(map)
    }
 }*/
 impl<'a> From<&'a [char]> for Filter
 {
    fn from(from: &'a [char]) -> Self
    {
 	let mut map = SmallMap::new();
 	for &chr in from.iter()
 	{
 	    map.insert(chr, ());
 	}
 	Self(map)
    }
 }
 impl<'a> From<&'a str> for Filter
 {
    fn from(from: &'a str) -> Self
    {
 	let mut output = Self::new();
 	output.insert(from.chars());
 	output
    }
 }
 impl str::FromStr for Filter
 {
    type Err = std::convert::Infallible;
    fn from_str(s: &str) -> Result<Self, Self::Err> {
 	Ok(Self::from(s))
    }
 }
 impl fmt::Display for Filter
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	use std::fmt::Write;
 	for chr in self.iter()
 	{
 	    f.write_char(chr)?;
 	}
 	Ok(())
    }
 }
 pub struct FilterKeyIter<'a>(smallmap::iter::Iter<'a, char, ()>, usize);
 impl<'a> Iterator for FilterKeyIter<'a>
 {
    type Item = char;
    fn next(&mut self) -> Option<Self::Item>
    {
 	self.0.next().map(|&(x, _)| x)
    }
    fn size_hint(&self) -> (usize, Option<usize>) {
 	(self.1, Some(self.1))
    }
 }
 impl<'a> iter::FusedIterator for FilterKeyIter<'a>{}
 impl<'a> iter::ExactSizeIterator for FilterKeyIter<'a>{}
 impl Filter
 {
    pub fn new() -> Self
    {
 	Self(SmallMap::new())
    }
    pub fn insert<I: IntoIterator<Item=char>>(&mut self, from: I)
    {
 	for from in from.into_iter()
 	{
 	    self.0.insert(from, ());
 	}
    }
    pub fn remove<I: IntoIterator<Item=char>>(&mut self, from: I)
    {
 	for from in from.into_iter()
 	{
 	    self.0.remove(&from);
 	}
    }
    pub fn len(&self) -> usize
    {
 	self.0.len()
    }
    pub fn is_empty(&self) -> bool
    {
 	//TODO: impl this in smallmap itself
 	self.len() == 0
    }
    pub fn iter(&self) -> FilterKeyIter<'_> //impl Iterator<Item=char> + '_
    {
 	//self.0.iter()
 	//    .copied()
 	//    .map(|(x, _)| x)
 	FilterKeyIter(self.0.iter(), self.0.len())
    }
    /// Should this character be filtered?
    #[inline] pub fn check(&self, chr: char) -> bool
    {
 	self.0.get(&chr).is_some()
    }
    pub fn filter_owned(&self, input: impl Into<String>) -> String
    {
 	let mut input = input.into();
 	self.filter(&mut input);
 	input
    }
    pub fn filter<'a>(&self, output: &'a mut String) -> &'a mut String
    {
 	if self.is_empty() {
 	    return output;
 	}
 	output.retain(|chr| !self.check(chr));
 	output
    }
    pub fn filter_iter<'a, I: IntoIterator<Item=char>>(&'a self, from_iter: I) -> FilterIter<'a, I::IntoIter>
    where I::IntoIter: 'a
    {
 	FilterIter(&self, from_iter.into_iter().fuse())
    }
    pub fn filter_cow<'a>(&self, string: &'a (impl AsRef<str> + 'a + ?Sized)) -> Cow<'a, str>
    {
 	let string = string.as_ref();
 	if self.is_empty() {
 	    return Cow::Borrowed(string);
 	}
 	let mut output = Cow::Borrowed(string);
 	let mut i=0;
 	for chr in string.chars()
 	{
 	    if self.check(chr) {
 		output.to_mut().remove(i);
 	    } else {
 		i+=1;
 	    }
 	}
 	output
    }
    pub fn filter_str<'a, T: AsRef<str>+'a +?Sized>(&'a self, string: &'a T) -> FilterStr<'a>
    {
 	FilterStr(string.as_ref(), self, OnceCell::new())
    }
 }
 impl FromIterator<char> for Filter
 {
    fn from_iter<I: IntoIterator<Item=char>>(iter: I) -> Self
    {
 	let mut output= Self::new();
 	output.insert(iter);
 	output
    }
 }
 impl<'a> FilterStr<'a>
 {
    pub fn as_str(&self) -> &str
    {	
 	fn fmt(this: &FilterStr<'_>) -> String
 	{
 	    let chars = this.0.chars();
 	    let mut f: String = crate::util::hint_cap(&chars);
 	    for chr in  chars {
 		if !this.1.check(chr) {
 		    f.push(chr);
 		}
 	    }
 	    f
 	}
 	&self.2.get_or_init(|| fmt(&self))[..]
    }
 }
 pub struct FilterStr<'a>(&'a str, &'a Filter, OnceCell<String>);
 impl<'a> fmt::Display for FilterStr<'a>
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	write!(f, "{}", self.as_str())
    }
 }
 impl<'a> FilterStr<'a>
 {
    pub fn filter(&self) -> &Filter
    {
 	&self.1
    }
 }
 pub struct FilterIter<'a, I>(&'a Filter, iter::Fuse<I>);
 impl<'a, I: Iterator<Item=char>> Iterator for FilterIter<'a, I>
 {
    type Item = char;
    fn next(&mut self) -> Option<Self::Item>
    {
 	loop {
 	    break match self.1.next() {
 		Some(chr) if !self.0.check(chr) => Some(chr),
 		None => None,
 		_ => continue,
 	    }
 	}
    }
    fn size_hint(&self) -> (usize, Option<usize>) {
 	let (_, high) = self.1.size_hint();
 	(0, high)
    }
 }
 impl<'a, I> FilterIter<'a, I>
 {
    pub fn filter(&self) -> &Filter
    {
 	self.0
    }
 }
 impl<'a, I: Iterator<Item=char>> iter::FusedIterator for FilterIter<'a, I>{}
 #[cfg(test)]
 mod tests
 {
    use super::*;
    #[test]
    fn filter_cow()
    {
 	let filter: Filter = " hi".chars().collect();
 	let string = "abcdef  ghi  jk1\nhian";
 	assert_eq!(filter.filter_str(&string).to_string(), filter.filter_cow(&string).to_string());
 	assert_eq!(filter.filter_cow(&string).to_string(), filter.filter_iter(string.chars()).collect::<String>());
    }
 }
--- a/src/sanitise/mod.rs
+++ b/src/sanitise/mod.rs
@ -0,0 +1,76 @@
 //! Sanitisers
 use super::*;
 use std::{
    error,
    fmt,
 };
 mod sentance;
 pub use sentance::*;
 mod word;
 pub use word::*;
 pub mod filter;
 /*
 pub fn take_sentance<T: AsyncBufRead+ ?Sized + Unpin, U: AsyncWrite + ?Sized + Unpin>(from: &mut T, to: &mut U) -> Result<usize, Error>
 {
    todo!()
 }*/
 #[derive(Debug)]
 pub enum Error {
    Word(WordError),
    Sentance(SentanceError),
 }
 impl error::Error for Error{}
 impl fmt::Display for Error
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	match self {
 	    Self::Word(_) => write!(f, "couldn't extract word"),
 	    Self::Sentance(_) => write!(f, "couldn't extract sentance"),
 	}
    }
 }
 impl From<WordError> for Error
 {
    #[inline] fn from(from: WordError) -> Self
    {
 	Self::Word(from)
    }
 }
 impl From<SentanceError> for Error
 {
    #[inline]  fn from(from: SentanceError) -> Self
    {
 	Self::Sentance(from)
    }
 }
 #[cfg(test)]
 mod tests
 {
    use super::*;
    #[test]
    fn sentance()
    {
 	let string = r#"Hello world.
 I am a string, that is a string. Strings, I love them!!!
 Owo uwu"#;
 	let sentances = Sentance::new_iter(string);
 	for sentance in sentances {
 	    let words = Word::new(sentance);
 	    println!("Word in {:?} -> {:?}", sentance, words);
 	}
    }
 }
--- a/src/sanitise/sentance.rs
+++ b/src/sanitise/sentance.rs
@ -0,0 +1,146 @@
 //! Sentance splitting
 use super::*;
 use std::{
    borrow::{
 	Borrow,
 	ToOwned,
    },
    ops::{
 	Deref,DerefMut,
    },
 };
 #[derive(Debug)]
 pub struct SentanceError;
 /// A sentence
 #[derive(Debug, PartialEq, Eq)]
 #[repr(transparent)]
 pub struct Sentance(str);
 macro_rules! new {
    ($str:expr) => {
 	unsafe {Sentance::new_unchecked($str)}
    };
 }
 const DEFAULT_BOUNDARIES: &[char] = &['\n', '.', ':', '!', '?', '~'];
 lazy_static! {
    static ref BOUNDARIES: smallmap::Map<char, ()> = {
 	let mut map = smallmap::Map::new();
 	for &chr in DEFAULT_BOUNDARIES.iter() {
 	    map.insert(chr, ());
 	}
 	map
    };
 }
 #[inline] pub fn is_sentance_boundary(chr: char) -> bool
 {
    BOUNDARIES.contains_key(&chr)
 }
 impl Sentance
 {
    /// Create a new word reference without checking for sentance boundaries
    pub unsafe fn new_unchecked<'a>(from: &'a str) -> &'a Self
    {
 	std::mem::transmute(from)
    }
    /// Create a single sentance
    pub fn single<'a>(from: &'a (impl AsRef<str> + 'a + ?Sized)) -> Result<&'a Self, SentanceError>
    {
 	let from = from.as_ref();
 	match from.find(is_sentance_boundary) {
 	    Some(_) => Err(SentanceError),
 	    _ => Ok(new!(from)),
 	}
    }
    /// Create a new section of sentances from this string
    #[inline] pub fn new<'a>(from: &'a (impl AsRef<str> + 'a + ?Sized)) -> Vec<&'a Self>
    {
 	Self::new_iter(from)
 	    .collect()
    }
    /// Create a new iterator over sentances from this string.
    pub fn new_iter<'a>(from: &'a (impl AsRef<str> +'a + ?Sized)) -> impl Iterator<Item = &'a Self> + Clone
    {
 	let from = from.as_ref();
 	from.split_inclusive(is_sentance_boundary)
 	    .map(|x| new!(x.trim()))
 	    .filter(|x| !x.is_empty())
    }
    /// Get the words in this sentance
    #[inline] pub fn words(&self) -> impl Iterator<Item = &'_ Word>
    {
 	Word::new_iter(self)
    }
 }
 impl<'a> From<&'a str> for &'a Sentance
 {
    fn from(from: &'a str) -> Self
    {
 	new!(from)
    }
 }
 impl AsRef<str> for Sentance
 {
    fn as_ref(&self) -> &str
    {
 	&self.0
    }
 }
 impl AsRef<Sentance> for str
 {
    fn as_ref(&self) -> &Sentance
    {
 	new!(self)
    }
 }
 impl Borrow<Sentance> for String
 {
    fn borrow(&self) -> &Sentance {
 	new!(&self[..])
    }
 }
 impl ToOwned for Sentance
 {
    type Owned = String;
    fn to_owned(&self) -> Self::Owned {
 	self.0.to_owned()
    }
 }
 impl Deref for Sentance
 {
    type Target = str;
    fn deref(&self) -> &Self::Target {
 	&self.0
    }
 }
 impl DerefMut for Sentance
 {
    fn deref_mut(&mut self) -> &mut Self::Target {
 	&mut self.0
    }
 }
 impl AsRef<Sentance> for Sentance
 {
    #[inline] fn as_ref(&self) -> &Sentance
    {
 	self
    }
 }
--- a/src/sanitise/word.rs
+++ b/src/sanitise/word.rs
@ -0,0 +1,150 @@
 //! Word splitting
 use super::*;
 use std::{
    borrow::{
 	Borrow,
 	ToOwned,
    },
    ops::{
 	Deref,DerefMut,
    },
 };
 #[derive(Debug)]
 pub struct WordError;
 /// A word is a non-whitespace containing string representing part of a sentance
 #[derive(Debug, PartialEq, Eq)]
 #[repr(transparent)]
 pub struct Word(str);
 macro_rules! new {
    ($str:expr) => {
 	unsafe {Word::new_unchecked($str)}
    };
 }
 const DEFAULT_BOUNDARIES: &[char] = &['!', '.', ',', '*'];
 lazy_static! {
    static ref BOUNDARIES: smallmap::Map<char, ()> = {
 	let mut map = smallmap::Map::new();
 	for &chr in DEFAULT_BOUNDARIES.iter() {
 	    map.insert(chr, ());
 	}
 	map
    };
 }
 #[inline] pub fn is_word_boundary(chr: char) -> bool
 {
    chr.is_whitespace() || BOUNDARIES.contains_key(&chr)
 }
 impl Word
 {
    /// Create a new word reference without checking for whitespace
    pub unsafe fn new_unchecked<'a>(from: &'a str) -> &'a Self
    {
 	std::mem::transmute(from)
    }
    /// Create a single word
    pub fn single<'a>(from: &'a (impl AsRef<Sentance> +?Sized +'a)) -> Result<&'a Self, WordError>
    {
 	let from = from.as_ref();
 	match from.find(is_word_boundary) {
 	    Some(_) => Err(WordError),
 	    _ => Ok(new!(from)),
 	}
    }
    /// Create a new section of words from this sentance
    pub fn new<'a>(from: &'a (impl AsRef<Sentance> +?Sized+'a)) -> Vec<&'a Self>
    {
 	Self::new_iter(from)
 	    .collect()
    }
    /// Create a new iterator over words from this sentance.
    pub fn new_iter<'a, 'b>(from: &'a (impl AsRef<Sentance> +?Sized+'b)) -> impl Iterator<Item = &'a Self>
 	where 'b: 'a
    {
 	let from = from.as_ref();
 	from.split_inclusive(is_word_boundary)
 	    .map(|x| x.trim())
 	    .filter(|x| !x.is_empty())
 	    .map(|x| new!(x))
    }
 }
 impl<'a> From<&'a str> for &'a Word
 {
    fn from(from: &'a str) -> Self
    {
 	new!(from)
    }
 }
 impl AsRef<str> for Word
 {
    fn as_ref(&self) -> &str
    {
 	&self.0
    }
 }
 impl AsRef<Word> for str
 {
    fn as_ref(&self) -> &Word
    {
 	new!(self)
    }
 }
 impl Borrow<Word> for String
 {
    fn borrow(&self) -> &Word {
 	new!(&self[..])
    }
 }
 impl ToOwned for Word
 {
    type Owned = String;
    fn to_owned(&self) -> Self::Owned {
 	self.0.to_owned()
    }
 }
 impl Deref for Word
 {
    type Target = str;
    fn deref(&self) -> &Self::Target {
 	&self.0
    }
 }
 impl DerefMut for Word
 {
    fn deref_mut(&mut self) -> &mut Self::Target {
 	&mut self.0
    }
 }
 impl AsRef<Word> for Word
 {
    #[inline] fn as_ref(&self) -> &Word
    {
 	self
    }
 }
 pub fn words(input: &str) -> impl Iterator<Item=&'_ Word>
 {
    input.split_inclusive(is_word_boundary)
 	.map(|x| x.trim())
 	.filter(|x| !x.is_empty())
 	.map(|x| new!(x))
 }
--- a/src/save.rs
+++ b/src/save.rs
@ -0,0 +1,132 @@
 //! Saving and loading chain
 use super::*;
 use std::{
    sync::Arc,
    path::{
 	Path,
    },
    io,
 };
 use tokio::{
    time::{
 	self,
 	Duration,
    },
    fs::{
 	OpenOptions,
    },
    prelude::*,
 };
 use futures::{
    future::{
 	OptionFuture,
    },
 };
 #[cfg(feature="compress-chain")] 
 use async_compression::{
    tokio_02::{
 	write::{
 	    BzEncoder,
 	    BzDecoder,
 	},
    },
 };
 const SAVE_INTERVAL: Option<Duration> = Some(Duration::from_secs(2));
 #[cfg(feature="compress-chain")]
 type Compressor<T> = BzEncoder<T>;
 #[cfg(feature="compress-chain")] 
 type Decompressor<T> = BzDecoder<T>;
 pub async fn save_now(state: &State) -> io::Result<()>
 {
    let chain = state.chain_ref().read().await;
    use std::ops::Deref;
    let to = &state.config().file;
    save_now_to(chain.deref(),to).await
 }
 async fn save_now_to(chain: &Chain<String>, to: impl AsRef<Path>) -> io::Result<()>
 {
    debug!("Saving chain to {:?}", to.as_ref());
    let mut file = OpenOptions::new()
        .write(true)
        .create(true)
        .truncate(true)
        .open(to).await?;
    let chain = serde_cbor::to_vec(chain).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
    {
 	#[cfg(feature="compress-chain")] 
        let mut file = Compressor::new(&mut file);
        file.write_all(&chain[..]).await?;
 	#[cfg(feature="compress-chain")]
        file.flush().await?;
 	#[cfg(feature="compress-chain")]
        file.shutdown().await?;
    }
    file.flush().await?;
    file.shutdown().await?;
    Ok(())
 }
 /// Start the save loop for this chain
 pub async fn host(mut state: Box<State>)
 {
    let to = state.config().file.to_owned();
    let interval = state.config().save_interval();
    let when = Arc::clone(state.when_ref());
    trace!("Setup oke. Waiting on init");
    if state.on_init().await.is_ok() {
 	debug!("Begin save handler");
 	while Arc::strong_count(&when) > 1 {
 	    {
 		let chain = state.chain_ref().read().await;
 		use std::ops::Deref;
 		if let Err(e) = save_now_to(chain.deref(), &to).await {
 		    error!("Failed to save chain: {}", e);
 		} else {
 		    info!("Saved chain to {:?}", to);
 		}
 	    }
 	    tokio::select!{
 		_ = OptionFuture::from(interval.map(|interval| time::delay_for(interval))) => {},
 		_ = state.on_shutdown() => {
 		    break;
 		}
 	    }
 	    when.notified().await;
 	    if state.has_shutdown() {
 		break;
 	    }
 	}
    } else {
 	debug!("Shutdown called before init");
    }
    trace!("Saver exiting");
 }
 /// Try to load a chain from this path
 pub async fn load(from: impl AsRef<Path>) -> io::Result<Chain<String>>
 {
    debug!("Loading chain from {:?}", from.as_ref());
    #[allow(unused_mut)]
    let mut file = OpenOptions::new()
        .read(true)
        .open(from).await?;
    #[allow(unused_mut)]
    let mut whole = Vec::new();
    #[cfg(feature="compress-chain")] 
    let mut whole = Decompressor::new(whole);
    tokio::io::copy(&mut file, &mut whole).await?;
    whole.flush().await?;
    #[cfg(feature="compress-chain")] 
    whole.shutdown().await?;
    #[cfg(feature="compress-chain")] 
    let whole = whole.into_inner();
    serde_cbor::from_slice(&whole[..])
 	.map_err(|e| io::Error::new(io::ErrorKind::InvalidInput, e))
 }
--- a/src/sentance.rs
+++ b/src/sentance.rs
@ -0,0 +1,36 @@
 //! /sentance/
 use super::*;
 use futures::StreamExt;
 pub async fn body(state: State, num: Option<usize>, mut output: mpsc::Sender<String>) -> Result<(), gen::GenBodyError>
 {
    let string = {
 	let mut chain = state.chain_read();
 	match num  {
 	    None => chain.next().await.ok_or_else(gen::GenBodyError::default)?,
 	    Some(num) if num < state.config().max_gen_size => {//(0..num).map(|_| chain.generate_str()).join("\n"),
 		let chain = chain.take(num);
 		chain.collect::<Vec<_>>().await.join("\n")//TODO: Stream version of JoinStrExt
 	    },
 	    _ => return Err(Default::default()),
 	}
    };
    debug!("Taking {:?} from {:?}" ,num, string);
    let filter = state.outbound_filter();
    if let Some(num) = num {
 	for sen in sanitise::Sentance::new_iter(&string).take(num)
 	{
 	    output.send(filter.filter_owned(sen.to_owned())).await?;
 	}
    } else {
 	output.send(filter.filter_owned(match sanitise::Sentance::new_iter(&string) 
 				      .max_by_key(|x| x.len()) {
 					  Some(x) => x,
 					  /*#[cold]*/ None => return Ok(()),  
 				      }.to_owned())).await?;
    }
    Ok(())
 }
--- a/src/signals.rs
+++ b/src/signals.rs
@ -0,0 +1,71 @@
 //! Unix signals
 use super::*;
 use tokio::{
    signal::unix::{
 	self,
 	SignalKind,
    },
 };
 pub async fn handle(mut state: State)
 {
    let mut usr1 = unix::signal(SignalKind::user_defined1()).expect("Failed to hook SIGUSR1");
    let mut usr2 = unix::signal(SignalKind::user_defined2()).expect("Failed to hook SIGUSR2"); 
    let mut quit = unix::signal(SignalKind::quit()).expect("Failed to hook SIGQUIT");
    let mut io = unix::signal(SignalKind::io()).expect("Failed to hook IO");
    trace!("Setup oke. Waiting on init");
    if state.on_init().await.is_ok() {
 	debug!("Begin signal handler");
 	loop {
 	    tokio::select! {
 		_ = state.on_shutdown() => {
 		    break;
 		}
 		_ = usr1.recv() => {
 		    info!("Got SIGUSR1. Causing chain write.");
 		    state.push_now();
 		},
 		_ = usr2.recv() => {
 		    info!("Got SIGUSR2. Loading chain immediately.");
 		    match save::load(&state.config().file).await {
 			Ok(new) => {
 			    {
 				let mut chain = state.chain_ref().write().await;
 				*chain = new;
 			    }
 			    trace!("Replaced with read chain");
 			},
 			Err(e) => {
 			    error!("Failed to load chain from file, keeping current: {}", e);
 			},
 		    }
 		},
 		_ = io.recv() => {
 		    info!("Got SIGIO. Saving chain immediately.");
 		    if let Err(e) = save::save_now(&state).await {
 			error!("Failed to save chain: {}", e);
 		    } else{
 			trace!("Saved chain okay");
 		    }
 		},
 		_ = quit.recv() => {
 		    warn!("Got SIGQUIT. Saving chain then aborting.");
 		    if let Err(e) = save::save_now(&state).await {
 			error!("Failed to save chain: {}", e);
 		    } else{
 			trace!("Saved chain okay.");
 		    }
 		    error!("Aborting");
 		    std::process::abort()
 		},
 	    }
 	}
    } else {
 	debug!("Shutdown called before init()");
    }
    trace!("Exiting");
 }
--- a/src/state.rs
+++ b/src/state.rs
@ -0,0 +1,161 @@
 //! State
 use super::*;
 use tokio::{
    sync::{
 	watch,
 	mpsc::error::SendError,
    },
 };
 use config::Config;
 use msg::Initialiser;
 #[derive(Debug)]
 pub struct ShutdownError;
 impl error::Error for ShutdownError{}
 impl fmt::Display for ShutdownError
 {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
    {
 	write!(f, "shutdown signal caught")
    }
 }
 #[derive(Debug, Clone)]
 pub struct State
 {
    config: Arc<Box<(Config, config::Cache)>>, //to avoid cloning config
    chain: handle::ChainHandle<String>,
    //save: Arc<Notify>,
    begin: Initialiser,
    shutdown: Arc<watch::Sender<bool>>,
    shutdown_recv: watch::Receiver<bool>,
 }
 impl State
 {
    /// Consume this `state` into its initialiser
    pub fn into_initialiser(self) -> Initialiser
    {
 	self.begin
    }
    /// Allow the saver task to start work
    pub fn init(self) -> Result<(), msg::InitError>
    {
 	self.begin.set()
    }
    /// Has `init` been called?
    pub fn is_init(&self) -> bool
    {
 	self.begin.is_set()
    }
    /// A future that completes either when `init` is called, or `shutdown`.
    pub async fn on_init(&mut self) -> Result<(), ShutdownError>
    {
 	if self.has_shutdown() {
 	    return Err(ShutdownError);
 	}
 	tokio::select! {
 	    Ok(()) = self.begin.clone_into_wait() => Ok(()),
 	    _ = self.on_shutdown() => {
 		debug!("on_init(): shutdown received");
 		Err(ShutdownError)
 	    }
 	    else => Err(ShutdownError)
 	}
    }
    pub fn inbound_filter(&self) -> &sanitise::filter::Filter
    {
 	&self.config_cache().inbound_filter
    }
    pub fn outbound_filter(&self) -> &sanitise::filter::Filter
    {
 	&self.config_cache().outbound_filter
    }
    pub fn new(config: Config, cache: config::Cache, chain: handle::ChainHandle<String>) -> Self
    {
 	let (shutdown, shutdown_recv) = watch::channel(false);
 	Self {
 	    config: Arc::new(Box::new((config, cache))),
 	    chain,
 	    begin: Initialiser::new(),
 	    shutdown: Arc::new(shutdown),
 	    shutdown_recv,
 	}
    }
    pub fn config(&self) -> &Config
    {
 	&self.config.as_ref().0
    }
    pub fn config_cache(&self) -> &config::Cache
    {
 	&self.config.as_ref().1
    }
    /*pub fn notify_save(&self)
    {
    self.save.notify();
 }*/
    /*pub fn chain(&self) -> &RwLock<Chain<String>>
    {
    &self.chain.as_ref()
 }*/
    pub fn chain_ref(&self) -> &RwLock<Chain<String>>
    {
 	&self.chain.chain_ref()
    }
    pub fn chain_read(&self) -> handle::ChainStream<String>
    {
 	self.chain.read()
    }
    /// Write to this chain
    pub async fn chain_write<'a, T: Stream<Item = String>>(&'a self, buffer: T) -> Result<(), SendError<Vec<String>>>
    {
 	self.chain.write_stream(buffer).await
    }
    pub fn when_ref(&self) -> &Arc<Notify>
    {
 	&self.chain.notify_when()
    }
    /// Force the chain to push through now
    pub fn push_now(&self)
    {
 	self.chain.push_now()
    }
    pub fn shutdown(self)
    {
 	self.shutdown.broadcast(true).expect("Failed to communicate shutdown");
 	self.chain.hang();
 	self.when_ref().notify();
    }
    pub fn has_shutdown(&self) -> bool
    {
 	*self.shutdown_recv.borrow()
    }
    pub async fn on_shutdown(&mut self)
    {
 	if !self.has_shutdown() {
 	    while let Some(false) = self.shutdown_recv.recv().await {
 	    }
 	}
    }
 }
--- a/src/util.rs
+++ b/src/util.rs
@ -0,0 +1,92 @@
 //! Utils
 pub trait NewCapacity: Sized
 {
    fn new() -> Self;
    fn with_capacity(cap: usize) -> Self;
 }
 impl NewCapacity for String
 {
    fn new() -> Self
    {
 	Self::new()
    }
    fn with_capacity(cap: usize) -> Self
    {
 	Self::with_capacity(cap)
    }
 }
 impl<T> NewCapacity for Vec<T>
 {
    fn new() -> Self
    {
 	Self::new()
    }
    fn with_capacity(cap: usize) -> Self
    {
 	Self::with_capacity(cap)
    }
 }
 pub fn hint_cap<T: NewCapacity, I: Iterator>(iter: &I) -> T
 {
    match iter.size_hint() {
 	(0, Some(0)) | (0, None) => T::new(),
 	(_, Some(x)) | (x, _) => T::with_capacity(x)
    }
 }
 #[macro_export] macro_rules! opaque_error {
    ($msg:literal) => {
 	{
 	    #[derive(Debug)]
 	    struct OpaqueError;
 	    impl ::std::error::Error for OpaqueError{}
 	    impl ::std::fmt::Display for OpaqueError
 	    {
 		fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result
 		{
 		    write!(f, $msg)
 		}
 	    }
 	    OpaqueError
 	}
    };
    ($msg:literal $($tt:tt)*) => {
 	{
 	    #[derive(Debug)]
 	    struct OpaqueError(String);
 	    impl ::std::error::Error for OpaqueError{}
 	    impl ::std::fmt::Display for OpaqueError
 	    {
 		fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result
 		{
 		    write!(f, "{}", self.0)
 		}
 	    }
 	    OpaqueError(format!($msg $($tt)*))
 	}
    };
    (yield $msg:literal $($tt:tt)*) => {
 	{
 	    #[derive(Debug)]
 	    struct OpaqueError<'a>(fmt::Arguments<'a>);
 	    impl ::std::error::Error for OpaqueError{}
 	    impl ::std::fmt::Display for OpaqueError
 	    {
 		fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result
 		{
 		    write!(f, "{}", self.0)
 		}
 	    }
 	    OpaqueError(format_args!($msg $($tt)*))
 	}
    };
 }
Author	SHA1	Message	Date
Avril	3267151615	Removed un-checked #[cold] from match arm branches. Fixed infinite recursition in DynBounds::downcast() (NOTE: it currently just panicks on error because FUCK RangeBounds<T> man...) Fortune for markov's current commit: Middle blessing − 中吉	3 years ago
Avril	bfaff6067a	added connection acceptance filters	4 years ago
Avril	5c784482f6	ref lt	4 years ago
Avril	bdf61340db	Packaging version 0.9.0	4 years ago
Avril	7635ff9d52	update Makefile	4 years ago
Avril	acf2ac605e	Merge branch 'feed' into master	4 years ago
Avril	d1251a592c	Merge branch 'master' of git.flanchan.moe:flanchan/genmarkov into master	4 years ago
Avril	75730cbe0f	working implementation of handler	4 years ago
Avril	5dc10547d5	handle okay	4 years ago
Avril	6453392758	remove direct dependancy on libc	4 years ago
Avril	a6fc26a053	update ebuild	4 years ago
Avril	3b4dc663fa	Packaging version 0.8.1	4 years ago
Avril	d8404f65ed	Packaging version 0.8.1	4 years ago
Avril	5280c622c9	todo	4 years ago
Avril	1c509031d6	range is configurable	4 years ago
Avril	107b34bcbd	document feed() pipeline	4 years ago
Avril	684a6f6aa0	repurpose split-sentance to make sense	4 years ago
Avril	8996b0bb7b	repurpose split-sentance to make sense; add feed-sentance for old functionality	4 years ago
Avril	633b4351c2	initialiser docs yes ik it's kinda spaghetti code	4 years ago
Avril	bcaac2b2e3	remove sender clone	4 years ago
Avril	59dcecded3	added instant-init; signal handler also waits for server	4 years ago
Avril	4e1e38a0fd	fix init bug	4 years ago
Avril	5ba673e64f	safe main-thread panics; save cannot happen until server initialised	4 years ago
Avril	cb163a14e9	Packaging version 0.7.1	4 years ago
Avril	34a62da8ba	empty build.rs	4 years ago
Avril	460d2b0081	gentoo ebuild	4 years ago
Avril	5f2e3a5b5b	ld	4 years ago
Avril	7c67a4decc	remove unused dep	4 years ago
Avril	4227a12521	remove unused dep	4 years ago
Avril	9e25c7cfa3	Um	4 years ago
Avril	b488194fd3	lock	4 years ago
Avril	a6b6ee9a42	umm	4 years ago
Avril	13dbe37d2b	update makefile	4 years ago
Avril	0cf9a4ea20	merge stable HTTP server	4 years ago
Avril	053f41ee50	update readme	4 years ago
Avril	ef5dc3cbf1	accepts AF_UNIX	4 years ago
Avril	ca16c97629	change how no-num /sentance works	4 years ago
Avril	1d482029f3	sentance delimit	4 years ago
Avril	c1e60503a6	remove const generics dependancy	4 years ago
Avril	988829c9b9	added outbound filter	4 years ago
Avril	2f9f4dbb3a	added /sentance/ chunking	4 years ago
Avril	633466b901	added /sentance/ chunking	4 years ago
Avril	31ee30db9e	update todo	4 years ago
Avril	77d4c2da73	removed redundant filter	4 years ago
Avril	032e5d74dc	fix punctuation eating bug. requiring nightly for now...	4 years ago
Avril	5b56fcffd5	fix punctuation eating bug. requiring nightly for now...	4 years ago
Avril	51d72ec7bd	bump ver	4 years ago
Avril	ecf7ff6f07	sentances	4 years ago
Avril	51a5d0aeba	start sentance, sanitise	4 years ago
Avril	a4fd1ddfbb	fix fuse error	4 years ago
Avril	f2565088b4	fix fuse error	4 years ago
Avril	206d38300a	chunking feed lines feature	4 years ago
Avril	df7c8df1b7	added streamreader	4 years ago
Avril	ff42a0830c	update makefile	4 years ago
Avril	9dac784dbe	bump	4 years ago
Avril	bd7e36b4f8	split-newlines	4 years ago
Avril	daca2fb6ea	todo	4 years ago
Avril	6e48953fa7	um what	4 years ago
Avril	cfbe9f385d	update makefile	4 years ago
Avril	abd9d2c941	added api	4 years ago
Avril	d44fa5c40b	wtf is wrong with the space eating	4 years ago
Avril	93e1d335dc	fix dumb shit	4 years ago
Avril	32a4964232	eh	4 years ago
Avril	d2bb1cac00	temporarily disable compression	4 years ago
Avril	7bc8f9837a	temporarily disable compression	4 years ago
Avril	c5993b54e9	FUCK FUCK YOU FUCK	4 years ago
Avril	8b5b753e9b	profile	4 years ago
Avril	77001e9c78	flush	4 years ago
Avril	bccef1bba8	Merge branch 'serve' of git.flanchan.moe:flanchan/genmarkov into serve	4 years ago
Avril	e5f1595b98	flush	4 years ago
Avril	d97e23c94f	update makefile	4 years ago
Avril	45a93939de	signal handling	4 years ago
Avril	66470d6be5	update makefile	4 years ago
Avril	57c74bd411	reorganise	4 years ago
Avril	ecc8854e44	config! saveload!	4 years ago
Avril	35f1de6c5e	fix makefile	4 years ago
Avril	4ead6b5a92	increase mpsc cap	4 years ago
Avril	87c8c525cd	installing makefile	4 years ago
Avril	f1a1a5079f	makefile	4 years ago
Avril	d61ece534f	Merge branch 'serve' of git.flanchan.moe:flanchan/genmarkov into serve	4 years ago
Avril	4afdba44c5	makefile	4 years ago
Avril	16db9ca7f1	update max size	4 years ago
Avril	7fe14a8e18	empty body	4 years ago
Avril	20656ce80e	201	4 years ago
Avril	f25677f243	change default port	4 years ago
Avril	ff80dc4730	web server working	4 years ago
Avril	19a3943012	working example	4 years ago
		`@ -0,0 +1 @@`
							`Disallow exact same map input buffers by keeping hashes of input buffers.`