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/target
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/.git
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# This file is automatically @generated by Cargo.
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name = "tower"
|
||||||
|
version = "0.4.13"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
|
||||||
|
dependencies = [
|
||||||
|
"futures-core",
|
||||||
|
"futures-util",
|
||||||
|
"pin-project",
|
||||||
|
"pin-project-lite",
|
||||||
|
"tokio",
|
||||||
|
"tower-layer",
|
||||||
|
"tower-service",
|
||||||
|
"tracing",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tower-http"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "5d1d42a9b3f3ec46ba828e8d376aec14592ea199f70a06a548587ecd1c4ab658"
|
||||||
|
dependencies = [
|
||||||
|
"bitflags",
|
||||||
|
"bytes",
|
||||||
|
"futures-core",
|
||||||
|
"futures-util",
|
||||||
|
"http",
|
||||||
|
"http-body",
|
||||||
|
"http-range-header",
|
||||||
|
"httpdate",
|
||||||
|
"mime",
|
||||||
|
"mime_guess",
|
||||||
|
"percent-encoding",
|
||||||
|
"pin-project-lite",
|
||||||
|
"tokio",
|
||||||
|
"tokio-util",
|
||||||
|
"tower-layer",
|
||||||
|
"tower-service",
|
||||||
|
"tracing",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tower-layer"
|
||||||
|
version = "0.3.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c20c8dbed6283a09604c3e69b4b7eeb54e298b8a600d4d5ecb5ad39de609f1d0"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tower-service"
|
||||||
|
version = "0.3.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tracing"
|
||||||
|
version = "0.1.37"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8ce8c33a8d48bd45d624a6e523445fd21ec13d3653cd51f681abf67418f54eb8"
|
||||||
|
dependencies = [
|
||||||
|
"cfg-if",
|
||||||
|
"log",
|
||||||
|
"pin-project-lite",
|
||||||
|
"tracing-core",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tracing-core"
|
||||||
|
version = "0.1.30"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "24eb03ba0eab1fd845050058ce5e616558e8f8d8fca633e6b163fe25c797213a"
|
||||||
|
dependencies = [
|
||||||
|
"once_cell",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "try-lock"
|
||||||
|
version = "0.2.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "3528ecfd12c466c6f163363caf2d02a71161dd5e1cc6ae7b34207ea2d42d81ed"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tungstenite"
|
||||||
|
version = "0.18.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "30ee6ab729cd4cf0fd55218530c4522ed30b7b6081752839b68fcec8d0960788"
|
||||||
|
dependencies = [
|
||||||
|
"base64 0.13.1",
|
||||||
|
"byteorder",
|
||||||
|
"bytes",
|
||||||
|
"http",
|
||||||
|
"httparse",
|
||||||
|
"log",
|
||||||
|
"rand",
|
||||||
|
"sha1",
|
||||||
|
"thiserror",
|
||||||
|
"url",
|
||||||
|
"utf-8",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "typenum"
|
||||||
|
version = "1.16.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicase"
|
||||||
|
version = "2.6.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
|
||||||
|
dependencies = [
|
||||||
|
"version_check",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-bidi"
|
||||||
|
version = "0.3.13"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "92888ba5573ff080736b3648696b70cafad7d250551175acbaa4e0385b3e1460"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-ident"
|
||||||
|
version = "1.0.8"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-normalization"
|
||||||
|
version = "0.1.22"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "5c5713f0fc4b5db668a2ac63cdb7bb4469d8c9fed047b1d0292cc7b0ce2ba921"
|
||||||
|
dependencies = [
|
||||||
|
"tinyvec",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "url"
|
||||||
|
version = "2.3.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "0d68c799ae75762b8c3fe375feb6600ef5602c883c5d21eb51c09f22b83c4643"
|
||||||
|
dependencies = [
|
||||||
|
"form_urlencoded",
|
||||||
|
"idna",
|
||||||
|
"percent-encoding",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "utf-8"
|
||||||
|
version = "0.7.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "version_check"
|
||||||
|
version = "0.9.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "want"
|
||||||
|
version = "0.3.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
|
||||||
|
dependencies = [
|
||||||
|
"log",
|
||||||
|
"try-lock",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wasi"
|
||||||
|
version = "0.11.0+wasi-snapshot-preview1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi"
|
||||||
|
version = "0.3.9"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||||
|
dependencies = [
|
||||||
|
"winapi-i686-pc-windows-gnu",
|
||||||
|
"winapi-x86_64-pc-windows-gnu",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi-i686-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi-x86_64-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-sys"
|
||||||
|
version = "0.45.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
|
||||||
|
dependencies = [
|
||||||
|
"windows-targets",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-targets"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8e5180c00cd44c9b1c88adb3693291f1cd93605ded80c250a75d472756b4d071"
|
||||||
|
dependencies = [
|
||||||
|
"windows_aarch64_gnullvm",
|
||||||
|
"windows_aarch64_msvc",
|
||||||
|
"windows_i686_gnu",
|
||||||
|
"windows_i686_msvc",
|
||||||
|
"windows_x86_64_gnu",
|
||||||
|
"windows_x86_64_gnullvm",
|
||||||
|
"windows_x86_64_msvc",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_gnullvm"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_msvc"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_gnu"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_msvc"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnu"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnullvm"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_msvc"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
|
||||||
11
Cargo.toml
Normal file
11
Cargo.toml
Normal file
|
|
@ -0,0 +1,11 @@
|
||||||
|
[package]
|
||||||
|
name = "rollback"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2021"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
tokio = { version = "1", features = ["rt-multi-thread", "macros"] }
|
||||||
|
serde = { version = "1.0", features = ["derive"] }
|
||||||
|
serde_json = "1.0"
|
||||||
|
axum = { version = "0.6.12", features = ["ws"] }
|
||||||
|
tower-http = { version = "0.4.0", features = ["fs"] }
|
||||||
699
LICENSE
Normal file
699
LICENSE
Normal file
|
|
@ -0,0 +1,699 @@
|
||||||
|
MIT License
|
||||||
|
|
||||||
|
Copyright (c) 2023 tint
|
||||||
|
|
||||||
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
of this software and associated documentation files (the "Software"), to deal
|
||||||
|
in the Software without restriction, including without limitation the rights
|
||||||
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
copies of the Software, and to permit persons to whom the Software is furnished
|
||||||
|
to do so, subject to the following conditions:
|
||||||
|
|
||||||
|
The above copyright notice and this permission notice (including the next
|
||||||
|
paragraph) shall be included in all copies or substantial portions of the
|
||||||
|
Software.
|
||||||
|
|
||||||
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||||
|
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
|
||||||
|
OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||||
|
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||||
|
OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
GNU GENERAL PUBLIC LICENSE
|
||||||
|
Version 3, 29 June 2007
|
||||||
|
|
||||||
|
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
|
||||||
|
Everyone is permitted to copy and distribute verbatim copies
|
||||||
|
of this license document, but changing it is not allowed.
|
||||||
|
|
||||||
|
Preamble
|
||||||
|
|
||||||
|
The GNU General Public License is a free, copyleft license for
|
||||||
|
software and other kinds of works.
|
||||||
|
|
||||||
|
The licenses for most software and other practical works are designed
|
||||||
|
to take away your freedom to share and change the works. By contrast,
|
||||||
|
the GNU General Public License is intended to guarantee your freedom to
|
||||||
|
share and change all versions of a program--to make sure it remains free
|
||||||
|
software for all its users. We, the Free Software Foundation, use the
|
||||||
|
GNU General Public License for most of our software; it applies also to
|
||||||
|
any other work released this way by its authors. You can apply it to
|
||||||
|
your programs, too.
|
||||||
|
|
||||||
|
When we speak of free software, we are referring to freedom, not
|
||||||
|
price. Our General Public Licenses are designed to make sure that you
|
||||||
|
have the freedom to distribute copies of free software (and charge for
|
||||||
|
them if you wish), that you receive source code or can get it if you
|
||||||
|
want it, that you can change the software or use pieces of it in new
|
||||||
|
free programs, and that you know you can do these things.
|
||||||
|
|
||||||
|
To protect your rights, we need to prevent others from denying you
|
||||||
|
these rights or asking you to surrender the rights. Therefore, you have
|
||||||
|
certain responsibilities if you distribute copies of the software, or if
|
||||||
|
you modify it: responsibilities to respect the freedom of others.
|
||||||
|
|
||||||
|
For example, if you distribute copies of such a program, whether
|
||||||
|
gratis or for a fee, you must pass on to the recipients the same
|
||||||
|
freedoms that you received. You must make sure that they, too, receive
|
||||||
|
or can get the source code. And you must show them these terms so they
|
||||||
|
know their rights.
|
||||||
|
|
||||||
|
Developers that use the GNU GPL protect your rights with two steps:
|
||||||
|
(1) assert copyright on the software, and (2) offer you this License
|
||||||
|
giving you legal permission to copy, distribute and/or modify it.
|
||||||
|
|
||||||
|
For the developers' and authors' protection, the GPL clearly explains
|
||||||
|
that there is no warranty for this free software. For both users' and
|
||||||
|
authors' sake, the GPL requires that modified versions be marked as
|
||||||
|
changed, so that their problems will not be attributed erroneously to
|
||||||
|
authors of previous versions.
|
||||||
|
|
||||||
|
Some devices are designed to deny users access to install or run
|
||||||
|
modified versions of the software inside them, although the manufacturer
|
||||||
|
can do so. This is fundamentally incompatible with the aim of
|
||||||
|
protecting users' freedom to change the software. The systematic
|
||||||
|
pattern of such abuse occurs in the area of products for individuals to
|
||||||
|
use, which is precisely where it is most unacceptable. Therefore, we
|
||||||
|
have designed this version of the GPL to prohibit the practice for those
|
||||||
|
products. If such problems arise substantially in other domains, we
|
||||||
|
stand ready to extend this provision to those domains in future versions
|
||||||
|
of the GPL, as needed to protect the freedom of users.
|
||||||
|
|
||||||
|
Finally, every program is threatened constantly by software patents.
|
||||||
|
States should not allow patents to restrict development and use of
|
||||||
|
software on general-purpose computers, but in those that do, we wish to
|
||||||
|
avoid the special danger that patents applied to a free program could
|
||||||
|
make it effectively proprietary. To prevent this, the GPL assures that
|
||||||
|
patents cannot be used to render the program non-free.
|
||||||
|
|
||||||
|
The precise terms and conditions for copying, distribution and
|
||||||
|
modification follow.
|
||||||
|
|
||||||
|
TERMS AND CONDITIONS
|
||||||
|
|
||||||
|
0. Definitions.
|
||||||
|
|
||||||
|
"This License" refers to version 3 of the GNU General Public License.
|
||||||
|
|
||||||
|
"Copyright" also means copyright-like laws that apply to other kinds of
|
||||||
|
works, such as semiconductor masks.
|
||||||
|
|
||||||
|
"The Program" refers to any copyrightable work licensed under this
|
||||||
|
License. Each licensee is addressed as "you". "Licensees" and
|
||||||
|
"recipients" may be individuals or organizations.
|
||||||
|
|
||||||
|
To "modify" a work means to copy from or adapt all or part of the work
|
||||||
|
in a fashion requiring copyright permission, other than the making of an
|
||||||
|
exact copy. The resulting work is called a "modified version" of the
|
||||||
|
earlier work or a work "based on" the earlier work.
|
||||||
|
|
||||||
|
A "covered work" means either the unmodified Program or a work based
|
||||||
|
on the Program.
|
||||||
|
|
||||||
|
To "propagate" a work means to do anything with it that, without
|
||||||
|
permission, would make you directly or secondarily liable for
|
||||||
|
infringement under applicable copyright law, except executing it on a
|
||||||
|
computer or modifying a private copy. Propagation includes copying,
|
||||||
|
distribution (with or without modification), making available to the
|
||||||
|
public, and in some countries other activities as well.
|
||||||
|
|
||||||
|
To "convey" a work means any kind of propagation that enables other
|
||||||
|
parties to make or receive copies. Mere interaction with a user through
|
||||||
|
a computer network, with no transfer of a copy, is not conveying.
|
||||||
|
|
||||||
|
An interactive user interface displays "Appropriate Legal Notices"
|
||||||
|
to the extent that it includes a convenient and prominently visible
|
||||||
|
feature that (1) displays an appropriate copyright notice, and (2)
|
||||||
|
tells the user that there is no warranty for the work (except to the
|
||||||
|
extent that warranties are provided), that licensees may convey the
|
||||||
|
work under this License, and how to view a copy of this License. If
|
||||||
|
the interface presents a list of user commands or options, such as a
|
||||||
|
menu, a prominent item in the list meets this criterion.
|
||||||
|
|
||||||
|
1. Source Code.
|
||||||
|
|
||||||
|
The "source code" for a work means the preferred form of the work
|
||||||
|
for making modifications to it. "Object code" means any non-source
|
||||||
|
form of a work.
|
||||||
|
|
||||||
|
A "Standard Interface" means an interface that either is an official
|
||||||
|
standard defined by a recognized standards body, or, in the case of
|
||||||
|
interfaces specified for a particular programming language, one that
|
||||||
|
is widely used among developers working in that language.
|
||||||
|
|
||||||
|
The "System Libraries" of an executable work include anything, other
|
||||||
|
than the work as a whole, that (a) is included in the normal form of
|
||||||
|
packaging a Major Component, but which is not part of that Major
|
||||||
|
Component, and (b) serves only to enable use of the work with that
|
||||||
|
Major Component, or to implement a Standard Interface for which an
|
||||||
|
implementation is available to the public in source code form. A
|
||||||
|
"Major Component", in this context, means a major essential component
|
||||||
|
(kernel, window system, and so on) of the specific operating system
|
||||||
|
(if any) on which the executable work runs, or a compiler used to
|
||||||
|
produce the work, or an object code interpreter used to run it.
|
||||||
|
|
||||||
|
The "Corresponding Source" for a work in object code form means all
|
||||||
|
the source code needed to generate, install, and (for an executable
|
||||||
|
work) run the object code and to modify the work, including scripts to
|
||||||
|
control those activities. However, it does not include the work's
|
||||||
|
System Libraries, or general-purpose tools or generally available free
|
||||||
|
programs which are used unmodified in performing those activities but
|
||||||
|
which are not part of the work. For example, Corresponding Source
|
||||||
|
includes interface definition files associated with source files for
|
||||||
|
the work, and the source code for shared libraries and dynamically
|
||||||
|
linked subprograms that the work is specifically designed to require,
|
||||||
|
such as by intimate data communication or control flow between those
|
||||||
|
subprograms and other parts of the work.
|
||||||
|
|
||||||
|
The Corresponding Source need not include anything that users
|
||||||
|
can regenerate automatically from other parts of the Corresponding
|
||||||
|
Source.
|
||||||
|
|
||||||
|
The Corresponding Source for a work in source code form is that
|
||||||
|
same work.
|
||||||
|
|
||||||
|
2. Basic Permissions.
|
||||||
|
|
||||||
|
All rights granted under this License are granted for the term of
|
||||||
|
copyright on the Program, and are irrevocable provided the stated
|
||||||
|
conditions are met. This License explicitly affirms your unlimited
|
||||||
|
permission to run the unmodified Program. The output from running a
|
||||||
|
covered work is covered by this License only if the output, given its
|
||||||
|
content, constitutes a covered work. This License acknowledges your
|
||||||
|
rights of fair use or other equivalent, as provided by copyright law.
|
||||||
|
|
||||||
|
You may make, run and propagate covered works that you do not
|
||||||
|
convey, without conditions so long as your license otherwise remains
|
||||||
|
in force. You may convey covered works to others for the sole purpose
|
||||||
|
of having them make modifications exclusively for you, or provide you
|
||||||
|
with facilities for running those works, provided that you comply with
|
||||||
|
the terms of this License in conveying all material for which you do
|
||||||
|
not control copyright. Those thus making or running the covered works
|
||||||
|
for you must do so exclusively on your behalf, under your direction
|
||||||
|
and control, on terms that prohibit them from making any copies of
|
||||||
|
your copyrighted material outside their relationship with you.
|
||||||
|
|
||||||
|
Conveying under any other circumstances is permitted solely under
|
||||||
|
the conditions stated below. Sublicensing is not allowed; section 10
|
||||||
|
makes it unnecessary.
|
||||||
|
|
||||||
|
3. Protecting Users' Legal Rights From Anti-Circumvention Law.
|
||||||
|
|
||||||
|
No covered work shall be deemed part of an effective technological
|
||||||
|
measure under any applicable law fulfilling obligations under article
|
||||||
|
11 of the WIPO copyright treaty adopted on 20 December 1996, or
|
||||||
|
similar laws prohibiting or restricting circumvention of such
|
||||||
|
measures.
|
||||||
|
|
||||||
|
When you convey a covered work, you waive any legal power to forbid
|
||||||
|
circumvention of technological measures to the extent such circumvention
|
||||||
|
is effected by exercising rights under this License with respect to
|
||||||
|
the covered work, and you disclaim any intention to limit operation or
|
||||||
|
modification of the work as a means of enforcing, against the work's
|
||||||
|
users, your or third parties' legal rights to forbid circumvention of
|
||||||
|
technological measures.
|
||||||
|
|
||||||
|
4. Conveying Verbatim Copies.
|
||||||
|
|
||||||
|
You may convey verbatim copies of the Program's source code as you
|
||||||
|
receive it, in any medium, provided that you conspicuously and
|
||||||
|
appropriately publish on each copy an appropriate copyright notice;
|
||||||
|
keep intact all notices stating that this License and any
|
||||||
|
non-permissive terms added in accord with section 7 apply to the code;
|
||||||
|
keep intact all notices of the absence of any warranty; and give all
|
||||||
|
recipients a copy of this License along with the Program.
|
||||||
|
|
||||||
|
You may charge any price or no price for each copy that you convey,
|
||||||
|
and you may offer support or warranty protection for a fee.
|
||||||
|
|
||||||
|
5. Conveying Modified Source Versions.
|
||||||
|
|
||||||
|
You may convey a work based on the Program, or the modifications to
|
||||||
|
produce it from the Program, in the form of source code under the
|
||||||
|
terms of section 4, provided that you also meet all of these conditions:
|
||||||
|
|
||||||
|
a) The work must carry prominent notices stating that you modified
|
||||||
|
it, and giving a relevant date.
|
||||||
|
|
||||||
|
b) The work must carry prominent notices stating that it is
|
||||||
|
released under this License and any conditions added under section
|
||||||
|
7. This requirement modifies the requirement in section 4 to
|
||||||
|
"keep intact all notices".
|
||||||
|
|
||||||
|
c) You must license the entire work, as a whole, under this
|
||||||
|
License to anyone who comes into possession of a copy. This
|
||||||
|
License will therefore apply, along with any applicable section 7
|
||||||
|
additional terms, to the whole of the work, and all its parts,
|
||||||
|
regardless of how they are packaged. This License gives no
|
||||||
|
permission to license the work in any other way, but it does not
|
||||||
|
invalidate such permission if you have separately received it.
|
||||||
|
|
||||||
|
d) If the work has interactive user interfaces, each must display
|
||||||
|
Appropriate Legal Notices; however, if the Program has interactive
|
||||||
|
interfaces that do not display Appropriate Legal Notices, your
|
||||||
|
work need not make them do so.
|
||||||
|
|
||||||
|
A compilation of a covered work with other separate and independent
|
||||||
|
works, which are not by their nature extensions of the covered work,
|
||||||
|
and which are not combined with it such as to form a larger program,
|
||||||
|
in or on a volume of a storage or distribution medium, is called an
|
||||||
|
"aggregate" if the compilation and its resulting copyright are not
|
||||||
|
used to limit the access or legal rights of the compilation's users
|
||||||
|
beyond what the individual works permit. Inclusion of a covered work
|
||||||
|
in an aggregate does not cause this License to apply to the other
|
||||||
|
parts of the aggregate.
|
||||||
|
|
||||||
|
6. Conveying Non-Source Forms.
|
||||||
|
|
||||||
|
You may convey a covered work in object code form under the terms
|
||||||
|
of sections 4 and 5, provided that you also convey the
|
||||||
|
machine-readable Corresponding Source under the terms of this License,
|
||||||
|
in one of these ways:
|
||||||
|
|
||||||
|
a) Convey the object code in, or embodied in, a physical product
|
||||||
|
(including a physical distribution medium), accompanied by the
|
||||||
|
Corresponding Source fixed on a durable physical medium
|
||||||
|
customarily used for software interchange.
|
||||||
|
|
||||||
|
b) Convey the object code in, or embodied in, a physical product
|
||||||
|
(including a physical distribution medium), accompanied by a
|
||||||
|
written offer, valid for at least three years and valid for as
|
||||||
|
long as you offer spare parts or customer support for that product
|
||||||
|
model, to give anyone who possesses the object code either (1) a
|
||||||
|
copy of the Corresponding Source for all the software in the
|
||||||
|
product that is covered by this License, on a durable physical
|
||||||
|
medium customarily used for software interchange, for a price no
|
||||||
|
more than your reasonable cost of physically performing this
|
||||||
|
conveying of source, or (2) access to copy the
|
||||||
|
Corresponding Source from a network server at no charge.
|
||||||
|
|
||||||
|
c) Convey individual copies of the object code with a copy of the
|
||||||
|
written offer to provide the Corresponding Source. This
|
||||||
|
alternative is allowed only occasionally and noncommercially, and
|
||||||
|
only if you received the object code with such an offer, in accord
|
||||||
|
with subsection 6b.
|
||||||
|
|
||||||
|
d) Convey the object code by offering access from a designated
|
||||||
|
place (gratis or for a charge), and offer equivalent access to the
|
||||||
|
Corresponding Source in the same way through the same place at no
|
||||||
|
further charge. You need not require recipients to copy the
|
||||||
|
Corresponding Source along with the object code. If the place to
|
||||||
|
copy the object code is a network server, the Corresponding Source
|
||||||
|
may be on a different server (operated by you or a third party)
|
||||||
|
that supports equivalent copying facilities, provided you maintain
|
||||||
|
clear directions next to the object code saying where to find the
|
||||||
|
Corresponding Source. Regardless of what server hosts the
|
||||||
|
Corresponding Source, you remain obligated to ensure that it is
|
||||||
|
available for as long as needed to satisfy these requirements.
|
||||||
|
|
||||||
|
e) Convey the object code using peer-to-peer transmission, provided
|
||||||
|
you inform other peers where the object code and Corresponding
|
||||||
|
Source of the work are being offered to the general public at no
|
||||||
|
charge under subsection 6d.
|
||||||
|
|
||||||
|
A separable portion of the object code, whose source code is excluded
|
||||||
|
from the Corresponding Source as a System Library, need not be
|
||||||
|
included in conveying the object code work.
|
||||||
|
|
||||||
|
A "User Product" is either (1) a "consumer product", which means any
|
||||||
|
tangible personal property which is normally used for personal, family,
|
||||||
|
or household purposes, or (2) anything designed or sold for incorporation
|
||||||
|
into a dwelling. In determining whether a product is a consumer product,
|
||||||
|
doubtful cases shall be resolved in favor of coverage. For a particular
|
||||||
|
product received by a particular user, "normally used" refers to a
|
||||||
|
typical or common use of that class of product, regardless of the status
|
||||||
|
of the particular user or of the way in which the particular user
|
||||||
|
actually uses, or expects or is expected to use, the product. A product
|
||||||
|
is a consumer product regardless of whether the product has substantial
|
||||||
|
commercial, industrial or non-consumer uses, unless such uses represent
|
||||||
|
the only significant mode of use of the product.
|
||||||
|
|
||||||
|
"Installation Information" for a User Product means any methods,
|
||||||
|
procedures, authorization keys, or other information required to install
|
||||||
|
and execute modified versions of a covered work in that User Product from
|
||||||
|
a modified version of its Corresponding Source. The information must
|
||||||
|
suffice to ensure that the continued functioning of the modified object
|
||||||
|
code is in no case prevented or interfered with solely because
|
||||||
|
modification has been made.
|
||||||
|
|
||||||
|
If you convey an object code work under this section in, or with, or
|
||||||
|
specifically for use in, a User Product, and the conveying occurs as
|
||||||
|
part of a transaction in which the right of possession and use of the
|
||||||
|
User Product is transferred to the recipient in perpetuity or for a
|
||||||
|
fixed term (regardless of how the transaction is characterized), the
|
||||||
|
Corresponding Source conveyed under this section must be accompanied
|
||||||
|
by the Installation Information. But this requirement does not apply
|
||||||
|
if neither you nor any third party retains the ability to install
|
||||||
|
modified object code on the User Product (for example, the work has
|
||||||
|
been installed in ROM).
|
||||||
|
|
||||||
|
The requirement to provide Installation Information does not include a
|
||||||
|
requirement to continue to provide support service, warranty, or updates
|
||||||
|
for a work that has been modified or installed by the recipient, or for
|
||||||
|
the User Product in which it has been modified or installed. Access to a
|
||||||
|
network may be denied when the modification itself materially and
|
||||||
|
adversely affects the operation of the network or violates the rules and
|
||||||
|
protocols for communication across the network.
|
||||||
|
|
||||||
|
Corresponding Source conveyed, and Installation Information provided,
|
||||||
|
in accord with this section must be in a format that is publicly
|
||||||
|
documented (and with an implementation available to the public in
|
||||||
|
source code form), and must require no special password or key for
|
||||||
|
unpacking, reading or copying.
|
||||||
|
|
||||||
|
7. Additional Terms.
|
||||||
|
|
||||||
|
"Additional permissions" are terms that supplement the terms of this
|
||||||
|
License by making exceptions from one or more of its conditions.
|
||||||
|
Additional permissions that are applicable to the entire Program shall
|
||||||
|
be treated as though they were included in this License, to the extent
|
||||||
|
that they are valid under applicable law. If additional permissions
|
||||||
|
apply only to part of the Program, that part may be used separately
|
||||||
|
under those permissions, but the entire Program remains governed by
|
||||||
|
this License without regard to the additional permissions.
|
||||||
|
|
||||||
|
When you convey a copy of a covered work, you may at your option
|
||||||
|
remove any additional permissions from that copy, or from any part of
|
||||||
|
it. (Additional permissions may be written to require their own
|
||||||
|
removal in certain cases when you modify the work.) You may place
|
||||||
|
additional permissions on material, added by you to a covered work,
|
||||||
|
for which you have or can give appropriate copyright permission.
|
||||||
|
|
||||||
|
Notwithstanding any other provision of this License, for material you
|
||||||
|
add to a covered work, you may (if authorized by the copyright holders of
|
||||||
|
that material) supplement the terms of this License with terms:
|
||||||
|
|
||||||
|
a) Disclaiming warranty or limiting liability differently from the
|
||||||
|
terms of sections 15 and 16 of this License; or
|
||||||
|
|
||||||
|
b) Requiring preservation of specified reasonable legal notices or
|
||||||
|
author attributions in that material or in the Appropriate Legal
|
||||||
|
Notices displayed by works containing it; or
|
||||||
|
|
||||||
|
c) Prohibiting misrepresentation of the origin of that material, or
|
||||||
|
requiring that modified versions of such material be marked in
|
||||||
|
reasonable ways as different from the original version; or
|
||||||
|
|
||||||
|
d) Limiting the use for publicity purposes of names of licensors or
|
||||||
|
authors of the material; or
|
||||||
|
|
||||||
|
e) Declining to grant rights under trademark law for use of some
|
||||||
|
trade names, trademarks, or service marks; or
|
||||||
|
|
||||||
|
f) Requiring indemnification of licensors and authors of that
|
||||||
|
material by anyone who conveys the material (or modified versions of
|
||||||
|
it) with contractual assumptions of liability to the recipient, for
|
||||||
|
any liability that these contractual assumptions directly impose on
|
||||||
|
those licensors and authors.
|
||||||
|
|
||||||
|
All other non-permissive additional terms are considered "further
|
||||||
|
restrictions" within the meaning of section 10. If the Program as you
|
||||||
|
received it, or any part of it, contains a notice stating that it is
|
||||||
|
governed by this License along with a term that is a further
|
||||||
|
restriction, you may remove that term. If a license document contains
|
||||||
|
a further restriction but permits relicensing or conveying under this
|
||||||
|
License, you may add to a covered work material governed by the terms
|
||||||
|
of that license document, provided that the further restriction does
|
||||||
|
not survive such relicensing or conveying.
|
||||||
|
|
||||||
|
If you add terms to a covered work in accord with this section, you
|
||||||
|
must place, in the relevant source files, a statement of the
|
||||||
|
additional terms that apply to those files, or a notice indicating
|
||||||
|
where to find the applicable terms.
|
||||||
|
|
||||||
|
Additional terms, permissive or non-permissive, may be stated in the
|
||||||
|
form of a separately written license, or stated as exceptions;
|
||||||
|
the above requirements apply either way.
|
||||||
|
|
||||||
|
8. Termination.
|
||||||
|
|
||||||
|
You may not propagate or modify a covered work except as expressly
|
||||||
|
provided under this License. Any attempt otherwise to propagate or
|
||||||
|
modify it is void, and will automatically terminate your rights under
|
||||||
|
this License (including any patent licenses granted under the third
|
||||||
|
paragraph of section 11).
|
||||||
|
|
||||||
|
However, if you cease all violation of this License, then your
|
||||||
|
license from a particular copyright holder is reinstated (a)
|
||||||
|
provisionally, unless and until the copyright holder explicitly and
|
||||||
|
finally terminates your license, and (b) permanently, if the copyright
|
||||||
|
holder fails to notify you of the violation by some reasonable means
|
||||||
|
prior to 60 days after the cessation.
|
||||||
|
|
||||||
|
Moreover, your license from a particular copyright holder is
|
||||||
|
reinstated permanently if the copyright holder notifies you of the
|
||||||
|
violation by some reasonable means, this is the first time you have
|
||||||
|
received notice of violation of this License (for any work) from that
|
||||||
|
copyright holder, and you cure the violation prior to 30 days after
|
||||||
|
your receipt of the notice.
|
||||||
|
|
||||||
|
Termination of your rights under this section does not terminate the
|
||||||
|
licenses of parties who have received copies or rights from you under
|
||||||
|
this License. If your rights have been terminated and not permanently
|
||||||
|
reinstated, you do not qualify to receive new licenses for the same
|
||||||
|
material under section 10.
|
||||||
|
|
||||||
|
9. Acceptance Not Required for Having Copies.
|
||||||
|
|
||||||
|
You are not required to accept this License in order to receive or
|
||||||
|
run a copy of the Program. Ancillary propagation of a covered work
|
||||||
|
occurring solely as a consequence of using peer-to-peer transmission
|
||||||
|
to receive a copy likewise does not require acceptance. However,
|
||||||
|
nothing other than this License grants you permission to propagate or
|
||||||
|
modify any covered work. These actions infringe copyright if you do
|
||||||
|
not accept this License. Therefore, by modifying or propagating a
|
||||||
|
covered work, you indicate your acceptance of this License to do so.
|
||||||
|
|
||||||
|
10. Automatic Licensing of Downstream Recipients.
|
||||||
|
|
||||||
|
Each time you convey a covered work, the recipient automatically
|
||||||
|
receives a license from the original licensors, to run, modify and
|
||||||
|
propagate that work, subject to this License. You are not responsible
|
||||||
|
for enforcing compliance by third parties with this License.
|
||||||
|
|
||||||
|
An "entity transaction" is a transaction transferring control of an
|
||||||
|
organization, or substantially all assets of one, or subdividing an
|
||||||
|
organization, or merging organizations. If propagation of a covered
|
||||||
|
work results from an entity transaction, each party to that
|
||||||
|
transaction who receives a copy of the work also receives whatever
|
||||||
|
licenses to the work the party's predecessor in interest had or could
|
||||||
|
give under the previous paragraph, plus a right to possession of the
|
||||||
|
Corresponding Source of the work from the predecessor in interest, if
|
||||||
|
the predecessor has it or can get it with reasonable efforts.
|
||||||
|
|
||||||
|
You may not impose any further restrictions on the exercise of the
|
||||||
|
rights granted or affirmed under this License. For example, you may
|
||||||
|
not impose a license fee, royalty, or other charge for exercise of
|
||||||
|
rights granted under this License, and you may not initiate litigation
|
||||||
|
(including a cross-claim or counterclaim in a lawsuit) alleging that
|
||||||
|
any patent claim is infringed by making, using, selling, offering for
|
||||||
|
sale, or importing the Program or any portion of it.
|
||||||
|
|
||||||
|
11. Patents.
|
||||||
|
|
||||||
|
A "contributor" is a copyright holder who authorizes use under this
|
||||||
|
License of the Program or a work on which the Program is based. The
|
||||||
|
work thus licensed is called the contributor's "contributor version".
|
||||||
|
|
||||||
|
A contributor's "essential patent claims" are all patent claims
|
||||||
|
owned or controlled by the contributor, whether already acquired or
|
||||||
|
hereafter acquired, that would be infringed by some manner, permitted
|
||||||
|
by this License, of making, using, or selling its contributor version,
|
||||||
|
but do not include claims that would be infringed only as a
|
||||||
|
consequence of further modification of the contributor version. For
|
||||||
|
purposes of this definition, "control" includes the right to grant
|
||||||
|
patent sublicenses in a manner consistent with the requirements of
|
||||||
|
this License.
|
||||||
|
|
||||||
|
Each contributor grants you a non-exclusive, worldwide, royalty-free
|
||||||
|
patent license under the contributor's essential patent claims, to
|
||||||
|
make, use, sell, offer for sale, import and otherwise run, modify and
|
||||||
|
propagate the contents of its contributor version.
|
||||||
|
|
||||||
|
In the following three paragraphs, a "patent license" is any express
|
||||||
|
agreement or commitment, however denominated, not to enforce a patent
|
||||||
|
(such as an express permission to practice a patent or covenant not to
|
||||||
|
sue for patent infringement). To "grant" such a patent license to a
|
||||||
|
party means to make such an agreement or commitment not to enforce a
|
||||||
|
patent against the party.
|
||||||
|
|
||||||
|
If you convey a covered work, knowingly relying on a patent license,
|
||||||
|
and the Corresponding Source of the work is not available for anyone
|
||||||
|
to copy, free of charge and under the terms of this License, through a
|
||||||
|
publicly available network server or other readily accessible means,
|
||||||
|
then you must either (1) cause the Corresponding Source to be so
|
||||||
|
available, or (2) arrange to deprive yourself of the benefit of the
|
||||||
|
patent license for this particular work, or (3) arrange, in a manner
|
||||||
|
consistent with the requirements of this License, to extend the patent
|
||||||
|
license to downstream recipients. "Knowingly relying" means you have
|
||||||
|
actual knowledge that, but for the patent license, your conveying the
|
||||||
|
covered work in a country, or your recipient's use of the covered work
|
||||||
|
in a country, would infringe one or more identifiable patents in that
|
||||||
|
country that you have reason to believe are valid.
|
||||||
|
|
||||||
|
If, pursuant to or in connection with a single transaction or
|
||||||
|
arrangement, you convey, or propagate by procuring conveyance of, a
|
||||||
|
covered work, and grant a patent license to some of the parties
|
||||||
|
receiving the covered work authorizing them to use, propagate, modify
|
||||||
|
or convey a specific copy of the covered work, then the patent license
|
||||||
|
you grant is automatically extended to all recipients of the covered
|
||||||
|
work and works based on it.
|
||||||
|
|
||||||
|
A patent license is "discriminatory" if it does not include within
|
||||||
|
the scope of its coverage, prohibits the exercise of, or is
|
||||||
|
conditioned on the non-exercise of one or more of the rights that are
|
||||||
|
specifically granted under this License. You may not convey a covered
|
||||||
|
work if you are a party to an arrangement with a third party that is
|
||||||
|
in the business of distributing software, under which you make payment
|
||||||
|
to the third party based on the extent of your activity of conveying
|
||||||
|
the work, and under which the third party grants, to any of the
|
||||||
|
parties who would receive the covered work from you, a discriminatory
|
||||||
|
patent license (a) in connection with copies of the covered work
|
||||||
|
conveyed by you (or copies made from those copies), or (b) primarily
|
||||||
|
for and in connection with specific products or compilations that
|
||||||
|
contain the covered work, unless you entered into that arrangement,
|
||||||
|
or that patent license was granted, prior to 28 March 2007.
|
||||||
|
|
||||||
|
Nothing in this License shall be construed as excluding or limiting
|
||||||
|
any implied license or other defenses to infringement that may
|
||||||
|
otherwise be available to you under applicable patent law.
|
||||||
|
|
||||||
|
12. No Surrender of Others' Freedom.
|
||||||
|
|
||||||
|
If conditions are imposed on you (whether by court order, agreement or
|
||||||
|
otherwise) that contradict the conditions of this License, they do not
|
||||||
|
excuse you from the conditions of this License. If you cannot convey a
|
||||||
|
covered work so as to satisfy simultaneously your obligations under this
|
||||||
|
License and any other pertinent obligations, then as a consequence you may
|
||||||
|
not convey it at all. For example, if you agree to terms that obligate you
|
||||||
|
to collect a royalty for further conveying from those to whom you convey
|
||||||
|
the Program, the only way you could satisfy both those terms and this
|
||||||
|
License would be to refrain entirely from conveying the Program.
|
||||||
|
|
||||||
|
13. Use with the GNU Affero General Public License.
|
||||||
|
|
||||||
|
Notwithstanding any other provision of this License, you have
|
||||||
|
permission to link or combine any covered work with a work licensed
|
||||||
|
under version 3 of the GNU Affero General Public License into a single
|
||||||
|
combined work, and to convey the resulting work. The terms of this
|
||||||
|
License will continue to apply to the part which is the covered work,
|
||||||
|
but the special requirements of the GNU Affero General Public License,
|
||||||
|
section 13, concerning interaction through a network will apply to the
|
||||||
|
combination as such.
|
||||||
|
|
||||||
|
14. Revised Versions of this License.
|
||||||
|
|
||||||
|
The Free Software Foundation may publish revised and/or new versions of
|
||||||
|
the GNU General Public License from time to time. Such new versions will
|
||||||
|
be similar in spirit to the present version, but may differ in detail to
|
||||||
|
address new problems or concerns.
|
||||||
|
|
||||||
|
Each version is given a distinguishing version number. If the
|
||||||
|
Program specifies that a certain numbered version of the GNU General
|
||||||
|
Public License "or any later version" applies to it, you have the
|
||||||
|
option of following the terms and conditions either of that numbered
|
||||||
|
version or of any later version published by the Free Software
|
||||||
|
Foundation. If the Program does not specify a version number of the
|
||||||
|
GNU General Public License, you may choose any version ever published
|
||||||
|
by the Free Software Foundation.
|
||||||
|
|
||||||
|
If the Program specifies that a proxy can decide which future
|
||||||
|
versions of the GNU General Public License can be used, that proxy's
|
||||||
|
public statement of acceptance of a version permanently authorizes you
|
||||||
|
to choose that version for the Program.
|
||||||
|
|
||||||
|
Later license versions may give you additional or different
|
||||||
|
permissions. However, no additional obligations are imposed on any
|
||||||
|
author or copyright holder as a result of your choosing to follow a
|
||||||
|
later version.
|
||||||
|
|
||||||
|
15. Disclaimer of Warranty.
|
||||||
|
|
||||||
|
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
|
||||||
|
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
|
||||||
|
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
|
||||||
|
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
|
||||||
|
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||||
|
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
|
||||||
|
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>.
|
||||||
7
README.md
Normal file
7
README.md
Normal file
|
|
@ -0,0 +1,7 @@
|
||||||
|
# Licenses
|
||||||
|
|
||||||
|
| License | Author | Project |
|
||||||
|
|---------|--------|---------|
|
||||||
|
| [MIT](https://mit-license.org/) | tint | [rollback](https://git.tint.red/tint/rollback) |
|
||||||
|
| [GPLv3](https://www.gnu.org/licenses/gpl-3.0.en.html) | tylerm | tuxman |
|
||||||
|
|
||||||
27
client/css/main.css
Normal file
27
client/css/main.css
Normal file
|
|
@ -0,0 +1,27 @@
|
||||||
|
* {
|
||||||
|
margin: 0;
|
||||||
|
padding: 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
#container img {
|
||||||
|
image-rendering: -webkit-optimize-contrast; /* webkit */
|
||||||
|
image-rendering: -moz-crisp-edges /* Firefox */
|
||||||
|
}
|
||||||
|
|
||||||
|
.rotate90 {
|
||||||
|
transform: rotate(90deg);
|
||||||
|
}
|
||||||
|
|
||||||
|
.rotate180 {
|
||||||
|
transform: rotate(180deg);
|
||||||
|
}
|
||||||
|
|
||||||
|
.rotate270 {
|
||||||
|
transform: rotate(270deg);
|
||||||
|
}
|
||||||
|
|
||||||
|
.sprite {
|
||||||
|
position: absolute;
|
||||||
|
transition: left .1s, top .1s;
|
||||||
|
z-index: 2;
|
||||||
|
}
|
||||||
8
client/index.html
Normal file
8
client/index.html
Normal file
|
|
@ -0,0 +1,8 @@
|
||||||
|
<html>
|
||||||
|
<head>
|
||||||
|
<link rel="stylesheet" href="/css/main.css"/>
|
||||||
|
</head>
|
||||||
|
<body>
|
||||||
|
<script src="/js/main.js" type="module"></script>
|
||||||
|
</body>
|
||||||
|
</html>
|
||||||
25
client/js/main.js
Normal file
25
client/js/main.js
Normal file
|
|
@ -0,0 +1,25 @@
|
||||||
|
import { Sprite } from './sprite.js'
|
||||||
|
import { Map } from './map.js'
|
||||||
|
|
||||||
|
let width = 13
|
||||||
|
let height = 5
|
||||||
|
let data = [
|
||||||
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||||
|
1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1,
|
||||||
|
1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1,
|
||||||
|
1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1,
|
||||||
|
1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1
|
||||||
|
]
|
||||||
|
|
||||||
|
let map = new Map(width, height, data)
|
||||||
|
let tux = new Sprite("/static/tux.png", map)
|
||||||
|
|
||||||
|
tux.show()
|
||||||
|
const callback = () => {
|
||||||
|
|
||||||
|
tux.add_pos(1, 0)
|
||||||
|
|
||||||
|
setTimeout(callback, 500)
|
||||||
|
}
|
||||||
|
|
||||||
|
callback()
|
||||||
243
client/js/map.js
Normal file
243
client/js/map.js
Normal file
|
|
@ -0,0 +1,243 @@
|
||||||
|
const create_style = (map) => {
|
||||||
|
const css = `
|
||||||
|
* {
|
||||||
|
--scale: 100;
|
||||||
|
--aspect: ${map.width/map.height};
|
||||||
|
--scaleX: calc(var(--scale) * 1vw);
|
||||||
|
--scaleY: calc(var(--scale) * 1vh);
|
||||||
|
}
|
||||||
|
|
||||||
|
body {
|
||||||
|
background-color: #191919;
|
||||||
|
width: 100vw;
|
||||||
|
height: 100vh;
|
||||||
|
display: flex;
|
||||||
|
}
|
||||||
|
|
||||||
|
#container {
|
||||||
|
width: calc(var(--scaleY) * var(--aspect));
|
||||||
|
height: var(--scaleY);
|
||||||
|
margin-top: calc((100vh - var(--scaleY))/2);
|
||||||
|
margin-left: calc(50vw - var(--scaleY)*var(--aspect)/2);
|
||||||
|
position: relative;
|
||||||
|
}
|
||||||
|
|
||||||
|
#container img {
|
||||||
|
display: inline-block;
|
||||||
|
width: ${100/map.width}%;
|
||||||
|
height: ${100/map.height}%;
|
||||||
|
}
|
||||||
|
|
||||||
|
@media (max-aspect-ratio: ${map.width}/${map.height}) {
|
||||||
|
#container {
|
||||||
|
width: var(--scaleX);
|
||||||
|
height: calc(var(--scaleX) / var(--aspect));
|
||||||
|
margin-left: calc((100vw - var(--scaleX))/2);
|
||||||
|
margin-top: calc(50vh - var(--scaleX)/var(--aspect)/2);
|
||||||
|
}
|
||||||
|
}`;
|
||||||
|
|
||||||
|
map.style.innerHTML = css
|
||||||
|
}
|
||||||
|
|
||||||
|
const Direction = {
|
||||||
|
EMPTY: 0,
|
||||||
|
WALL_HZ: 1,
|
||||||
|
WALL_VT: 2,
|
||||||
|
TURN_Q1: 3,
|
||||||
|
TURN_Q2: 4,
|
||||||
|
TURN_Q3: 5,
|
||||||
|
TURN_Q4: 6,
|
||||||
|
TEE_NORTH: 7,
|
||||||
|
TEE_EAST: 8,
|
||||||
|
TEE_SOUTH: 9,
|
||||||
|
TEE_WEST: 10,
|
||||||
|
CROSS: 11,
|
||||||
|
DOT: 12,
|
||||||
|
WALL_END_NORTH: 13,
|
||||||
|
WALL_END_SOUTH: 14,
|
||||||
|
WALL_END_EAST: 15,
|
||||||
|
WALL_END_WEST: 16
|
||||||
|
}
|
||||||
|
|
||||||
|
const place_tile = (container, type) => {
|
||||||
|
|
||||||
|
const img = document.createElement("img")
|
||||||
|
|
||||||
|
let image_src, class_name;
|
||||||
|
switch(type) {
|
||||||
|
case Direction.EMPTY:
|
||||||
|
image_src = "/static/empty.png"
|
||||||
|
class_name = ""
|
||||||
|
break
|
||||||
|
case Direction.WALL_HZ:
|
||||||
|
image_src = "/static/wall.png"
|
||||||
|
class_name = ""
|
||||||
|
break
|
||||||
|
case Direction.WALL_VT:
|
||||||
|
image_src = "/static/wall.png"
|
||||||
|
class_name = "rotate90"
|
||||||
|
break
|
||||||
|
case Direction.TURN_Q1:
|
||||||
|
image_src = "/static/turn.png"
|
||||||
|
class_name = ""
|
||||||
|
break
|
||||||
|
case Direction.TURN_Q2:
|
||||||
|
image_src = "/static/turn.png"
|
||||||
|
class_name = "rotate270"
|
||||||
|
break
|
||||||
|
case Direction.TURN_Q3:
|
||||||
|
image_src = "/static/turn.png"
|
||||||
|
class_name = "rotate180"
|
||||||
|
break
|
||||||
|
case Direction.TURN_Q4:
|
||||||
|
image_src = "/static/turn.png"
|
||||||
|
class_name = "rotate90"
|
||||||
|
break
|
||||||
|
case Direction.TEE_NORTH:
|
||||||
|
image_src = "/static/tee.png"
|
||||||
|
class_name = "rotate180"
|
||||||
|
break
|
||||||
|
case Direction.TEE_EAST:
|
||||||
|
image_src = "/static/tee.png"
|
||||||
|
class_name = "rotate270"
|
||||||
|
break
|
||||||
|
case Direction.TEE_SOUTH:
|
||||||
|
image_src = "/static/tee.png"
|
||||||
|
class_name = ""
|
||||||
|
break
|
||||||
|
case Direction.TEE_WEST:
|
||||||
|
image_src = "/static/tee.png"
|
||||||
|
class_name = "rotate90"
|
||||||
|
break
|
||||||
|
case Direction.CROSS:
|
||||||
|
image_src = "/static/cross.png"
|
||||||
|
class_name = ""
|
||||||
|
break
|
||||||
|
case Direction.DOT:
|
||||||
|
image_src = "/static/dot.png"
|
||||||
|
class_name = ""
|
||||||
|
break
|
||||||
|
case Direction.WALL_END_NORTH:
|
||||||
|
image_src = "/static/wall_end.png"
|
||||||
|
class_name = ""
|
||||||
|
break;
|
||||||
|
case Direction.WALL_END_EAST:
|
||||||
|
image_src = "/static/wall_end.png"
|
||||||
|
class_name = "rotate90"
|
||||||
|
break;
|
||||||
|
case Direction.WALL_END_SOUTH:
|
||||||
|
image_src = "/static/wall_end.png"
|
||||||
|
class_name = "rotate180"
|
||||||
|
break;
|
||||||
|
case Direction.WALL_END_WEST:
|
||||||
|
image_src = "/static/wall_end.png"
|
||||||
|
class_name = "rotate270"
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
img.setAttribute("class", class_name)
|
||||||
|
img.setAttribute("src", image_src)
|
||||||
|
|
||||||
|
container.appendChild(img)
|
||||||
|
}
|
||||||
|
|
||||||
|
const get_point = (width, height, data, x, y) => {
|
||||||
|
if (x < 0 || x >= width || y < 0 || y >= height) {
|
||||||
|
return 0
|
||||||
|
} else {
|
||||||
|
return data[y * width + x]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
const gen_walls = (width, height, data) => {
|
||||||
|
|
||||||
|
let walls = Array(width * height)
|
||||||
|
for (let y = 0; y < height; y++) {
|
||||||
|
for (let x = 0; x < width; x++) {
|
||||||
|
|
||||||
|
let north = get_point(width, height, data, x, y-1)
|
||||||
|
let south = get_point(width, height, data, x, y+1)
|
||||||
|
let east = get_point(width, height, data, x+1, y)
|
||||||
|
let west = get_point(width, height, data, x-1, y)
|
||||||
|
let current = get_point(width, height, data, x, y)
|
||||||
|
|
||||||
|
let point = Direction.EMPTY
|
||||||
|
|
||||||
|
if (!current) {
|
||||||
|
walls[y * width + x] = point
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
|
||||||
|
if (north && south && east && west) {
|
||||||
|
point = Direction.CROSS
|
||||||
|
} else if (east && west && north) {
|
||||||
|
point = Direction.TEE_NORTH
|
||||||
|
} else if (east && west && south) {
|
||||||
|
point = Direction.TEE_SOUTH
|
||||||
|
} else if (north && south && east) {
|
||||||
|
point = Direction.TEE_EAST
|
||||||
|
} else if (north && south && west) {
|
||||||
|
point = Direction.TEE_WEST
|
||||||
|
} else if (east && west) {
|
||||||
|
point = Direction.WALL_HZ
|
||||||
|
} else if (north && south) {
|
||||||
|
point = Direction.WALL_VT
|
||||||
|
} else if (west && south) {
|
||||||
|
point = Direction.TURN_Q1
|
||||||
|
} else if (south && east) {
|
||||||
|
point = Direction.TURN_Q2
|
||||||
|
} else if (east && north) {
|
||||||
|
point = Direction.TURN_Q3
|
||||||
|
} else if (north && west) {
|
||||||
|
point = Direction.TURN_Q4
|
||||||
|
} else if (north) {
|
||||||
|
point = Direction.WALL_END_NORTH
|
||||||
|
} else if (east) {
|
||||||
|
point = Direction.WALL_END_EAST
|
||||||
|
} else if (south) {
|
||||||
|
point = Direction.WALL_END_SOUTH
|
||||||
|
} else if (west) {
|
||||||
|
point = Direction.WALL_END_WEST
|
||||||
|
} else {
|
||||||
|
point = Direction.DOT
|
||||||
|
}
|
||||||
|
|
||||||
|
walls[y * width + x] = point
|
||||||
|
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return walls
|
||||||
|
}
|
||||||
|
|
||||||
|
const gen_map = (map) => {
|
||||||
|
let walls = gen_walls(map.width, map.height, map.data)
|
||||||
|
for (let y = 0; y < map.height; y++) {
|
||||||
|
for (let x = 0; x < map.width; x++) {
|
||||||
|
place_tile(map.container, walls[y * map.width + x])
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
export class Map {
|
||||||
|
|
||||||
|
constructor(width, height, data) {
|
||||||
|
this.width = width
|
||||||
|
this.height = height
|
||||||
|
this.data = data
|
||||||
|
this.container = document.body.appendChild(document.createElement("div"))
|
||||||
|
this.container.id = "container"
|
||||||
|
this.style = document.body.appendChild(document.createElement("style"))
|
||||||
|
|
||||||
|
create_style(this)
|
||||||
|
gen_map(this)
|
||||||
|
}
|
||||||
|
|
||||||
|
destroy() {
|
||||||
|
this.container.remove()
|
||||||
|
this.style.remove()
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
43
client/js/sprite.js
Normal file
43
client/js/sprite.js
Normal file
|
|
@ -0,0 +1,43 @@
|
||||||
|
export class Sprite {
|
||||||
|
|
||||||
|
constructor(image_src, map) {
|
||||||
|
this.element = document.createElement("img")
|
||||||
|
this.element.src = image_src
|
||||||
|
this.element.className = "sprite"
|
||||||
|
this.map = map
|
||||||
|
this.map.container.appendChild(this.element)
|
||||||
|
this.x = 0
|
||||||
|
this.y = 0
|
||||||
|
this.hide()
|
||||||
|
}
|
||||||
|
|
||||||
|
#update_pos() {
|
||||||
|
this.element.style.left = `${100/this.map.width*this.x}%`,
|
||||||
|
this.element.style.top = `${100/this.map.height*this.y}%`
|
||||||
|
}
|
||||||
|
|
||||||
|
set_pos(x, y) {
|
||||||
|
this.x = x
|
||||||
|
this.y = y
|
||||||
|
this.#update_pos()
|
||||||
|
}
|
||||||
|
|
||||||
|
add_pos(x, y) {
|
||||||
|
this.x += x
|
||||||
|
this.y += y
|
||||||
|
this.#update_pos()
|
||||||
|
}
|
||||||
|
|
||||||
|
hide() {
|
||||||
|
this.element.style.display = "none"
|
||||||
|
}
|
||||||
|
|
||||||
|
show() {
|
||||||
|
this.element.style.display = "initial"
|
||||||
|
}
|
||||||
|
|
||||||
|
destory() {
|
||||||
|
this.element.remove()
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
BIN
client/static/cross.png
Normal file
BIN
client/static/cross.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 4.2 KiB |
BIN
client/static/dot.png
Normal file
BIN
client/static/dot.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 4.2 KiB |
BIN
client/static/empty.png
Normal file
BIN
client/static/empty.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 563 B |
BIN
client/static/tee.png
Normal file
BIN
client/static/tee.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 4.2 KiB |
BIN
client/static/turn.png
Normal file
BIN
client/static/turn.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 569 B |
BIN
client/static/tux.png
Normal file
BIN
client/static/tux.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 100 KiB |
BIN
client/static/wall.png
Normal file
BIN
client/static/wall.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 571 B |
BIN
client/static/wall_end.png
Normal file
BIN
client/static/wall_end.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 4.2 KiB |
16
deployments/docker/Dockerfile
Normal file
16
deployments/docker/Dockerfile
Normal file
|
|
@ -0,0 +1,16 @@
|
||||||
|
FROM rust:alpine AS builder
|
||||||
|
|
||||||
|
COPY Cargo.toml Cargo.lock /app/
|
||||||
|
COPY src /app/src
|
||||||
|
WORKDIR /app
|
||||||
|
RUN apk add musl-dev
|
||||||
|
RUN cargo build --release
|
||||||
|
|
||||||
|
FROM alpine
|
||||||
|
RUN apk add --no-cache tini
|
||||||
|
|
||||||
|
RUN adduser -DH block
|
||||||
|
USER block
|
||||||
|
COPY --from=builder /app/target/release/rollback /rollback
|
||||||
|
COPY client /client
|
||||||
|
ENTRYPOINT ["/sbin/tini", "--", "/rollback"]
|
||||||
22
src/main.rs
Normal file
22
src/main.rs
Normal file
|
|
@ -0,0 +1,22 @@
|
||||||
|
mod routes;
|
||||||
|
mod rooms;
|
||||||
|
mod room;
|
||||||
|
|
||||||
|
#[tokio::main]
|
||||||
|
async fn main() {
|
||||||
|
let port = std::env::var("PORT")
|
||||||
|
.unwrap_or("8080".to_owned())
|
||||||
|
.parse::<u16>()
|
||||||
|
.unwrap_or(8080);
|
||||||
|
|
||||||
|
axum::Server::bind(&std::net::SocketAddr::new(
|
||||||
|
std::net::IpAddr::V6(std::net::Ipv6Addr::from(0)),
|
||||||
|
port
|
||||||
|
))
|
||||||
|
.serve(
|
||||||
|
routes::routes()
|
||||||
|
.into_make_service()
|
||||||
|
)
|
||||||
|
.await
|
||||||
|
.expect("Error running the web server");
|
||||||
|
}
|
||||||
106
src/room/handle.rs
Normal file
106
src/room/handle.rs
Normal file
|
|
@ -0,0 +1,106 @@
|
||||||
|
use std::collections::HashSet;
|
||||||
|
|
||||||
|
use super::messages::{ClientMessage, ServerMessage};
|
||||||
|
|
||||||
|
// send a ServerMessage::Connections to all sockets
|
||||||
|
pub async fn send_connections(v: &mut super::Clients, added: Option<usize>, removed: Option<usize>, frame: u64) {
|
||||||
|
// get the list of connection IDs
|
||||||
|
let connections: Vec<usize> = v.iter()
|
||||||
|
.enumerate()
|
||||||
|
.filter(|(_, n)| n.is_some())
|
||||||
|
.map(|(id, _)| id)
|
||||||
|
.collect();
|
||||||
|
|
||||||
|
super::send(v, |id, _c| {
|
||||||
|
Some(ServerMessage::Connections {
|
||||||
|
connections: connections.clone(),
|
||||||
|
added,
|
||||||
|
removed,
|
||||||
|
id,
|
||||||
|
frame,
|
||||||
|
})
|
||||||
|
}).await;
|
||||||
|
}
|
||||||
|
|
||||||
|
// handle incoming websocket messages
|
||||||
|
pub async fn handle(
|
||||||
|
v: &mut super::Clients,
|
||||||
|
requests: &mut HashSet<(u64, Option<usize>, usize)>, // frame, connection, client id
|
||||||
|
pending: &mut Vec<(Option<usize>, Option<usize>)>,
|
||||||
|
id: usize,
|
||||||
|
msg: ClientMessage,
|
||||||
|
) {
|
||||||
|
match msg {
|
||||||
|
// broadcast inputs to every other connection
|
||||||
|
ClientMessage::Input { data, frame } => {
|
||||||
|
super::broadcast(v, ServerMessage::Input {
|
||||||
|
data,
|
||||||
|
frame,
|
||||||
|
connection: id
|
||||||
|
}, Some(id)).await;
|
||||||
|
},
|
||||||
|
// a client needs the current game state, grab it from another client
|
||||||
|
ClientMessage::RequestState { frame, connection } => {
|
||||||
|
let count = super::conn_count(v);
|
||||||
|
|
||||||
|
if count < 2 { // nobody to request state *from*
|
||||||
|
if let Some(Some(client)) = v.get(id) {
|
||||||
|
client.send(ServerMessage::State {
|
||||||
|
state: serde_json::Value::Null,
|
||||||
|
frame: 0,
|
||||||
|
connection: None,
|
||||||
|
}).await.ok();
|
||||||
|
}
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
// request state from other clients
|
||||||
|
requests.insert((frame, connection, id));
|
||||||
|
|
||||||
|
match connection {
|
||||||
|
None => {
|
||||||
|
super::broadcast(v, ServerMessage::RequestState { frame }, Some(id)).await;
|
||||||
|
},
|
||||||
|
Some(id) => { // it's to a specific connection
|
||||||
|
let Some(Some(client)) = v.get(id) else {
|
||||||
|
return;
|
||||||
|
};
|
||||||
|
client.send(ServerMessage::RequestState { frame }).await.ok();
|
||||||
|
},
|
||||||
|
}
|
||||||
|
},
|
||||||
|
// a client responded to a request for game state, tell all the requestees
|
||||||
|
ClientMessage::State { state, frame } => {
|
||||||
|
let mut new_requests = HashSet::new();
|
||||||
|
for (fr, conn, cid) in requests.drain() {
|
||||||
|
if
|
||||||
|
fr != frame || // this isn't the requested frame
|
||||||
|
(conn.is_some() && Some(id) != conn) // this isn't the requested connection
|
||||||
|
{
|
||||||
|
new_requests.insert((fr, conn, cid));
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if let Some(Some(client)) = v.get(cid) {
|
||||||
|
client.send(ServerMessage::State {
|
||||||
|
state: state.clone(),
|
||||||
|
frame,
|
||||||
|
connection: Some(id),
|
||||||
|
}).await.ok();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
*requests = new_requests;
|
||||||
|
},
|
||||||
|
// a client said what frame they're on, actually send the connections message
|
||||||
|
ClientMessage::Frame { frame } => {
|
||||||
|
for (added, removed) in pending.into_iter() {
|
||||||
|
send_connections(v, *added, *removed, frame).await;
|
||||||
|
}
|
||||||
|
*pending = Vec::new();
|
||||||
|
},
|
||||||
|
ClientMessage::Ping { frame } => {
|
||||||
|
if let Some(Some(client)) = v.get(id) {
|
||||||
|
client.send(ServerMessage::Pong { frame }).await.ok();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
69
src/room/messages.rs
Normal file
69
src/room/messages.rs
Normal file
|
|
@ -0,0 +1,69 @@
|
||||||
|
use serde::{Serialize, Deserialize};
|
||||||
|
use serde_json::Value;
|
||||||
|
|
||||||
|
#[derive(Deserialize, Clone, Debug)]
|
||||||
|
#[serde(tag = "type")]
|
||||||
|
pub enum ClientMessage {
|
||||||
|
#[serde(rename = "frame")]
|
||||||
|
Frame {
|
||||||
|
frame: u64,
|
||||||
|
},
|
||||||
|
#[serde(rename = "input")]
|
||||||
|
Input {
|
||||||
|
data: Value,
|
||||||
|
frame: u64,
|
||||||
|
},
|
||||||
|
#[serde(rename = "requeststate")]
|
||||||
|
RequestState {
|
||||||
|
connection: Option<usize>,
|
||||||
|
frame: u64,
|
||||||
|
},
|
||||||
|
#[serde(rename = "state")]
|
||||||
|
State {
|
||||||
|
state: Value,
|
||||||
|
frame: u64,
|
||||||
|
},
|
||||||
|
#[serde(rename = "ping")]
|
||||||
|
Ping {
|
||||||
|
frame: u64,
|
||||||
|
},
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Serialize, Clone, Debug)]
|
||||||
|
#[serde(tag = "type")]
|
||||||
|
pub enum ServerMessage {
|
||||||
|
#[serde(rename = "framerequest")]
|
||||||
|
FrameRequest,
|
||||||
|
#[serde(rename = "connections")]
|
||||||
|
Connections {
|
||||||
|
connections: Vec<usize>,
|
||||||
|
added: Option<usize>,
|
||||||
|
removed: Option<usize>,
|
||||||
|
id: usize,
|
||||||
|
frame: u64,
|
||||||
|
},
|
||||||
|
#[serde(rename = "input")]
|
||||||
|
Input {
|
||||||
|
data: Value,
|
||||||
|
frame: u64,
|
||||||
|
connection: usize,
|
||||||
|
},
|
||||||
|
#[serde(rename = "requeststate")]
|
||||||
|
RequestState {
|
||||||
|
frame: u64,
|
||||||
|
},
|
||||||
|
#[serde(rename = "state")]
|
||||||
|
State {
|
||||||
|
state: Value,
|
||||||
|
frame: u64,
|
||||||
|
connection: Option<usize>,
|
||||||
|
},
|
||||||
|
#[serde(rename = "pong")]
|
||||||
|
Pong {
|
||||||
|
frame: u64,
|
||||||
|
},
|
||||||
|
#[serde(rename = "error")]
|
||||||
|
Error {
|
||||||
|
error: String,
|
||||||
|
},
|
||||||
|
}
|
||||||
128
src/room/mod.rs
Normal file
128
src/room/mod.rs
Normal file
|
|
@ -0,0 +1,128 @@
|
||||||
|
use std::{time::Duration, collections::HashSet};
|
||||||
|
|
||||||
|
use axum::extract::ws::WebSocket;
|
||||||
|
use tokio::sync::mpsc;
|
||||||
|
|
||||||
|
mod websocket;
|
||||||
|
mod messages;
|
||||||
|
mod handle;
|
||||||
|
|
||||||
|
use messages::{ClientMessage, ServerMessage};
|
||||||
|
|
||||||
|
pub enum RoomMessage {
|
||||||
|
Add(WebSocket),
|
||||||
|
Remove(usize),
|
||||||
|
WsMessage(usize, ClientMessage),
|
||||||
|
}
|
||||||
|
|
||||||
|
pub type Client = mpsc::Sender<ServerMessage>;
|
||||||
|
pub type Clients = Vec<Option<Client>>;
|
||||||
|
|
||||||
|
pub type Room = mpsc::Sender<RoomMessage>;
|
||||||
|
|
||||||
|
// spawns a task for the room that listens for incoming messages from websockets as well as connections and disconnections
|
||||||
|
pub fn start_room(room_id: String, room_service: super::rooms::RoomService) -> Room {
|
||||||
|
let (tx, rx) = mpsc::channel::<RoomMessage>(20);
|
||||||
|
|
||||||
|
let txret = tx.clone();
|
||||||
|
|
||||||
|
tokio::spawn(room_task(tx, rx, room_id, room_service));
|
||||||
|
|
||||||
|
txret
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn room_task(tx: mpsc::Sender<RoomMessage>, mut rx: mpsc::Receiver<RoomMessage>, room_id: String, room_service: super::rooms::RoomService) {
|
||||||
|
let mut ws = Vec::new();
|
||||||
|
let mut state_requests = HashSet::new();
|
||||||
|
let mut pending: Vec<(Option<usize>, Option<usize>)> = Vec::new();
|
||||||
|
|
||||||
|
while let Some(message) = rx.recv().await {
|
||||||
|
match message {
|
||||||
|
RoomMessage::Add(w) => { // a new connection is added
|
||||||
|
// create channels for the websocket and start a task to send and receive from it
|
||||||
|
let (wstx, wsrx) = mpsc::channel(5);
|
||||||
|
let id = ws.len();
|
||||||
|
ws.push(Some(wstx));
|
||||||
|
tokio::spawn(websocket::start_ws(w, id, tx.clone(), wsrx));
|
||||||
|
|
||||||
|
if conn_count(&ws) < 2 { // the first connection is on frame 0
|
||||||
|
handle::send_connections(&mut ws, Some(id), None, 0).await;
|
||||||
|
} else {
|
||||||
|
// connections need to be added on a specific frame
|
||||||
|
// so ask the clients for a frame to put this event on
|
||||||
|
broadcast(&mut ws, ServerMessage::FrameRequest, Some(id)).await;
|
||||||
|
pending.push((Some(id), None));
|
||||||
|
}
|
||||||
|
},
|
||||||
|
RoomMessage::Remove(id) => { // a connection is closed (sent by the websocket task on exiting)
|
||||||
|
// only remove it if it exists
|
||||||
|
if let Some(item) = ws.get_mut(id) {
|
||||||
|
*item = None;
|
||||||
|
};
|
||||||
|
let count = conn_count(&ws);
|
||||||
|
if count == 0 { // remove rooms once they become empty
|
||||||
|
room_service.send(super::rooms::RoomServiceRequest::Remove(room_id.clone())).await.ok();
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
// disconnections happen on a specific frame, ask the clients for a frame
|
||||||
|
broadcast(&mut ws, ServerMessage::FrameRequest, None).await;
|
||||||
|
pending.push((None, Some(id)));
|
||||||
|
},
|
||||||
|
RoomMessage::WsMessage(id, msg) => { // new data from a websocket
|
||||||
|
handle::handle(&mut ws, &mut state_requests, &mut pending, id, msg).await;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// send the websocket to the room task
|
||||||
|
pub async fn add_connection(tx: &Room, ws: WebSocket) {
|
||||||
|
tx.send_timeout(RoomMessage::Add(ws), Duration::from_secs(1)).await.ok();
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn conn_count(v: &Clients) -> usize {
|
||||||
|
v.iter().filter(|i| i.is_some()).count()
|
||||||
|
}
|
||||||
|
|
||||||
|
// send a message to all or some of the clients, in parallel rather than series,
|
||||||
|
// based on a callback
|
||||||
|
pub async fn send(v: &mut Clients, create_message: impl Fn(usize, &Client) -> Option<ServerMessage>) -> usize {
|
||||||
|
let tasks = v.iter()
|
||||||
|
.enumerate()
|
||||||
|
.map(|(id, c)| {
|
||||||
|
// send to existing clients
|
||||||
|
let Some(client) = c.clone() else {
|
||||||
|
return None;
|
||||||
|
};
|
||||||
|
|
||||||
|
let Some(msg) = create_message(id, &client) else {
|
||||||
|
return None;
|
||||||
|
};
|
||||||
|
|
||||||
|
Some(tokio::spawn(async move {
|
||||||
|
client.send(msg).await.ok();
|
||||||
|
}))
|
||||||
|
});
|
||||||
|
|
||||||
|
let count = tasks.len();
|
||||||
|
// make sure all the tasks complete
|
||||||
|
for task in tasks {
|
||||||
|
if let Some(t) = task {
|
||||||
|
t.await.ok();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
count
|
||||||
|
}
|
||||||
|
|
||||||
|
// send a message to all the websockets in the room (optionally excluding one)
|
||||||
|
pub async fn broadcast(v: &mut Clients, msg: ServerMessage, except: Option<usize>) -> usize {
|
||||||
|
send(v, |id, _client| {
|
||||||
|
if Some(id) == except {
|
||||||
|
return None;
|
||||||
|
}
|
||||||
|
|
||||||
|
Some(msg.clone())
|
||||||
|
}).await
|
||||||
|
}
|
||||||
66
src/room/websocket.rs
Normal file
66
src/room/websocket.rs
Normal file
|
|
@ -0,0 +1,66 @@
|
||||||
|
use std::time::Duration;
|
||||||
|
|
||||||
|
use axum::extract::ws::{WebSocket, Message};
|
||||||
|
use tokio::sync::mpsc;
|
||||||
|
|
||||||
|
use super::RoomMessage;
|
||||||
|
use super::messages::ServerMessage;
|
||||||
|
|
||||||
|
// set up some senders and receivers so that the websocket can receive messages from the task, send messages to the task, and notify the task when it closes
|
||||||
|
pub async fn start_ws(mut ws: WebSocket, id: usize, tx: mpsc::Sender<RoomMessage>, mut rx: mpsc::Receiver<ServerMessage>) {
|
||||||
|
loop {
|
||||||
|
tokio::select! {
|
||||||
|
m = ws.recv() => { // receive from the websocket and send it to `tx`
|
||||||
|
if let Some(Ok(msg)) = m {
|
||||||
|
// get the string contents
|
||||||
|
let optionstring = match msg {
|
||||||
|
Message::Text(s) => {
|
||||||
|
Some(s)
|
||||||
|
},
|
||||||
|
Message::Binary(bin) => {
|
||||||
|
String::from_utf8(bin).ok()
|
||||||
|
},
|
||||||
|
Message::Close(_) => { // quit the whole loop on disconnect
|
||||||
|
break;
|
||||||
|
},
|
||||||
|
_ => None
|
||||||
|
};
|
||||||
|
|
||||||
|
// ignore things that aren't strings
|
||||||
|
let Some(s) = optionstring else {
|
||||||
|
continue;
|
||||||
|
};
|
||||||
|
|
||||||
|
// decode and send to the room
|
||||||
|
match serde_json::from_str(&s) {
|
||||||
|
Ok(message) => {
|
||||||
|
tx.send_timeout(RoomMessage::WsMessage(id, message), Duration::from_secs(1)).await.ok();
|
||||||
|
},
|
||||||
|
Err(e) => { // let the client know if they sent a bad message
|
||||||
|
if let Ok(text) = serde_json::to_string(&ServerMessage::Error{
|
||||||
|
error: format!("Failed to decode JSON message: {}: {}", e, s),
|
||||||
|
}) {
|
||||||
|
ws.send(Message::Text(text)).await.ok();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else { // websocket error
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
s = rx.recv() => { // receive from `rx` and send it to the websocket
|
||||||
|
if let Some(msg) = s {
|
||||||
|
if let Ok(string) = serde_json::to_string(&msg) {
|
||||||
|
ws.send(Message::Text(string)).await.ok();
|
||||||
|
}
|
||||||
|
} else { // shouldn't happen but this is if the room drops the sender, it should close the websocket anyways
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// websocket disconnect due to either error or normal disconnect
|
||||||
|
// notify the room that the socket should be removed
|
||||||
|
tx.send_timeout(RoomMessage::Remove(id), Duration::from_secs(1)).await.ok();
|
||||||
|
}
|
||||||
59
src/rooms.rs
Normal file
59
src/rooms.rs
Normal file
|
|
@ -0,0 +1,59 @@
|
||||||
|
use std::collections::HashMap;
|
||||||
|
|
||||||
|
use axum::extract::ws::WebSocket;
|
||||||
|
use tokio::sync::mpsc;
|
||||||
|
use tokio::sync::oneshot;
|
||||||
|
|
||||||
|
use super::room;
|
||||||
|
|
||||||
|
pub enum RoomServiceRequest {
|
||||||
|
Exists(String, oneshot::Sender<bool>),
|
||||||
|
Join(String, WebSocket),
|
||||||
|
Remove(String),
|
||||||
|
}
|
||||||
|
|
||||||
|
pub type RoomService = mpsc::Sender<RoomServiceRequest>;
|
||||||
|
|
||||||
|
type RoomMap = HashMap<String, room::Room>;
|
||||||
|
|
||||||
|
async fn handle_room_server_message(rooms: &mut RoomMap, req: RoomServiceRequest, tx: RoomService) {
|
||||||
|
match req {
|
||||||
|
// check whether a given room exists
|
||||||
|
// the sender must provide a tokio::sync::oneshot sender to receive a response
|
||||||
|
RoomServiceRequest::Exists(code, reply) => {
|
||||||
|
reply.send(rooms.get(&code).is_some()).ok();
|
||||||
|
},
|
||||||
|
// send a websocket into the given room, starting it if it doesn't exist
|
||||||
|
RoomServiceRequest::Join(code, ws) => {
|
||||||
|
let room = match rooms.get(&code) {
|
||||||
|
Some(rm) => rm,
|
||||||
|
None => {
|
||||||
|
let rm = room::start_room(code.clone(), tx);
|
||||||
|
rooms.insert(code.clone(), rm);
|
||||||
|
&rooms[&code]
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
room::add_connection(room, ws).await;
|
||||||
|
},
|
||||||
|
// remove a room (called by the room task itself once there are no more connections to it)
|
||||||
|
RoomServiceRequest::Remove(code) => {
|
||||||
|
rooms.remove(&code);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// a task to manage a hashmap holding the room task senders
|
||||||
|
// returns a sender to interface with the task
|
||||||
|
pub fn start_room_server() -> RoomService {
|
||||||
|
let (tx, mut rx) = mpsc::channel::<RoomServiceRequest>(10);
|
||||||
|
let txret = tx.clone();
|
||||||
|
|
||||||
|
tokio::spawn(async move {
|
||||||
|
let mut rooms: RoomMap = HashMap::new();
|
||||||
|
while let Some(req) = rx.recv().await {
|
||||||
|
handle_room_server_message(&mut rooms, req, tx.clone()).await;
|
||||||
|
}
|
||||||
|
});
|
||||||
|
txret
|
||||||
|
}
|
||||||
51
src/routes.rs
Normal file
51
src/routes.rs
Normal file
|
|
@ -0,0 +1,51 @@
|
||||||
|
use axum::{
|
||||||
|
extract::{ws::WebSocketUpgrade, Path},
|
||||||
|
routing::get,
|
||||||
|
response::Response,
|
||||||
|
Router, Extension,
|
||||||
|
};
|
||||||
|
use tokio::sync::oneshot;
|
||||||
|
use tower_http::services::ServeDir;
|
||||||
|
|
||||||
|
use super::rooms;
|
||||||
|
|
||||||
|
pub fn routes() -> Router {
|
||||||
|
let room_server: rooms::RoomService = rooms::start_room_server();
|
||||||
|
|
||||||
|
Router::new()
|
||||||
|
.route("/api/check", get(|| async {"ok"}))
|
||||||
|
.route("/api/exists/:code", get(game_exists))
|
||||||
|
.route("/api/join/:code", get(game_join))
|
||||||
|
.nest_service("/", ServeDir::new("client"))
|
||||||
|
.layer(Extension(room_server))
|
||||||
|
}
|
||||||
|
|
||||||
|
// check if a given room code exists already
|
||||||
|
async fn game_exists(
|
||||||
|
Path(code): Path<String>,
|
||||||
|
Extension(room_server): Extension<rooms::RoomService>
|
||||||
|
) -> &'static str {
|
||||||
|
let (tx, rx) = oneshot::channel();
|
||||||
|
room_server.send(rooms::RoomServiceRequest::Exists(code, tx)).await.ok();
|
||||||
|
|
||||||
|
if let Ok(res) = rx.await {
|
||||||
|
if res {
|
||||||
|
"true"
|
||||||
|
} else {
|
||||||
|
"false"
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
return "error";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// start a websocket connection and join it to the room
|
||||||
|
async fn game_join(
|
||||||
|
Path(code): Path<String>,
|
||||||
|
ws: WebSocketUpgrade,
|
||||||
|
Extension(room_server): Extension<rooms::RoomService>
|
||||||
|
) -> Response {
|
||||||
|
ws.on_upgrade(|s| async move {
|
||||||
|
room_server.send(rooms::RoomServiceRequest::Join(code, s)).await.ok();
|
||||||
|
})
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue