Move stream build logic to Client, fix client data reading and screen size parsing
This commit is contained in:
Tim Visée
75
Cargo.lock
generated
75
Cargo.lock
generated
@@ -3,6 +3,14 @@ name = "adler32"
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version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "aho-corasick"
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version = "0.6.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "ansi_term"
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version = "0.10.2"
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@@ -144,6 +152,11 @@ name = "lazy_static"
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version = "0.2.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "lazy_static"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "libc"
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version = "0.2.34"
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@@ -154,6 +167,14 @@ name = "lzw"
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version = "0.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "memchr"
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version = "2.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "num-integer"
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version = "0.1.35"
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@@ -200,6 +221,7 @@ dependencies = [
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"bufstream 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"clap 2.29.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"image 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"regex 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@@ -255,6 +277,23 @@ dependencies = [
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"redox_syscall 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "regex"
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version = "0.2.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"regex-syntax 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"thread_local 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "regex-syntax"
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version = "0.4.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "scoped_threadpool"
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version = "0.1.8"
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@@ -288,16 +327,43 @@ dependencies = [
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"unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "thread_local"
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version = "0.3.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "unicode-width"
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version = "0.1.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "unreachable"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "utf8-ranges"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "vec_map"
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version = "0.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "void"
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version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "winapi"
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version = "0.3.2"
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@@ -319,6 +385,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[metadata]
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"checksum adler32 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6cbd0b9af8587c72beadc9f72d35b9fbb070982c9e6203e46e93f10df25f8f45"
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"checksum aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d6531d44de723825aa81398a6415283229725a00fa30713812ab9323faa82fc4"
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"checksum ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6b3568b48b7cefa6b8ce125f9bb4989e52fbcc29ebea88df04cc7c5f12f70455"
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"checksum atty 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "8352656fd42c30a0c3c89d26dea01e3b77c0ab2af18230835c15e2e13cd51859"
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"checksum bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b3c30d3802dfb7281680d6285f2ccdaa8c2d8fee41f93805dba5c4cf50dc23cf"
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@@ -337,8 +404,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum inflate 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "10ec05638adf7c5c788bc0cfa608cd479a13572beda20feb4898fe1d85d2c64b"
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"checksum jpeg-decoder 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2805ccb10ffe4d10e06ef68a158ff94c255211ecbae848fbde2146b098f93ce7"
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"checksum lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "76f033c7ad61445c5b347c7382dd1237847eb1bce590fe50365dcb33d546be73"
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"checksum lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c8f31047daa365f19be14b47c29df4f7c3b581832407daabe6ae77397619237d"
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"checksum libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)" = "36fbc8a8929c632868295d0178dd8f63fc423fd7537ad0738372bd010b3ac9b0"
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"checksum lzw 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d947cbb889ed21c2a84be6ffbaebf5b4e0f4340638cba0444907e38b56be084"
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"checksum memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "796fba70e76612589ed2ce7f45282f5af869e0fdd7cc6199fa1aa1f1d591ba9d"
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"checksum num-integer 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)" = "d1452e8b06e448a07f0e6ebb0bb1d92b8890eea63288c0b627331d53514d0fba"
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"checksum num-iter 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)" = "7485fcc84f85b4ecd0ea527b14189281cf27d60e583ae65ebc9c088b13dffe01"
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"checksum num-rational 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "0c7cb72a95250d8a370105c828f388932373e0e94414919891a0f945222310fe"
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@@ -350,13 +419,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum rayon-core 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e64b609139d83da75902f88fd6c01820046840a18471e4dfcd5ac7c0f46bea53"
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"checksum redox_syscall 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)" = "07b8f011e3254d5a9b318fde596d409a0001c9ae4c6e7907520c2eaa4d988c99"
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"checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
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"checksum regex 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "744554e01ccbd98fff8c457c3b092cd67af62a555a43bfe97ae8a0451f7799fa"
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"checksum regex-syntax 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8e931c58b93d86f080c734bfd2bce7dd0079ae2331235818133c8be7f422e20e"
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"checksum scoped_threadpool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "4ea459fe3ceff01e09534847c49860891d3ff1c12b4eb7731b67f2778fb60190"
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"checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
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"checksum strsim 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b4d15c810519a91cf877e7e36e63fe068815c678181439f2f29e2562147c3694"
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"checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
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"checksum textwrap 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c0b59b6b4b44d867f1370ef1bd91bfb262bf07bf0ae65c202ea2fbc16153b693"
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"checksum thread_local 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "279ef31c19ededf577bfd12dfae728040a21f635b06a24cd670ff510edd38963"
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"checksum unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "bf3a113775714a22dcb774d8ea3655c53a32debae63a063acc00a91cc586245f"
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"checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
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"checksum utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "662fab6525a98beff2921d7f61a39e7d59e0b425ebc7d0d9e66d316e55124122"
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"checksum vec_map 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "887b5b631c2ad01628bbbaa7dd4c869f80d3186688f8d0b6f58774fbe324988c"
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"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
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"checksum winapi 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "890b38836c01d72fdb636d15c9cfc52ec7fd783b330abc93cd1686f4308dfccc"
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"checksum winapi-i686-pc-windows-gnu 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ec6667f60c23eca65c561e63a13d81b44234c2e38a6b6c959025ee907ec614cc"
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"checksum winapi-x86_64-pc-windows-gnu 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "98f12c52b2630cd05d2c3ffd8e008f7f48252c042b4871c72aed9dc733b96668"
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@@ -7,3 +7,4 @@ authors = ["Tim Visée <timvisee@gmail.com>"]
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bufstream = "0.1"
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clap = "2.29"
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image = "0.18"
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regex = "0.2"
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2
TODO.md
2
TODO.md
@@ -1,8 +1,10 @@
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# TODO
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- Don't draw pixels outside screen.
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- Add alpha support.
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- Do not draw invisible (alpha) pixels.
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- Read size from screen.
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- Instantly update images in painter threads,
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not just when the stopped drawing.
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- Process all images at start.
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- Combine many pixel messages to improve performance.
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- Create a small listening server, to benchmark throughput.
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@@ -1,5 +1,3 @@
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use std::io::Error;
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use std::net::TcpStream;
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use std::sync::mpsc;
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use std::sync::mpsc::{Sender, Receiver};
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use std::thread;
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@@ -83,19 +81,16 @@ impl Canvas {
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// Create the painter thread
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let thread = thread::spawn(move || {
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// Create a new stream
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let stream = create_stream(host)
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.expect("failed to open stream to pixelflut");
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// Create a new client
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let client = Client::new(stream);
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let client = Client::connect(host)
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.expect("failed to open stream to pixelflut");
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// Create a painter
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let mut painter = Painter::new(
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client,
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area,
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offset,
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None
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None,
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);
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// Do some work
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@@ -129,12 +124,3 @@ impl Canvas {
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}
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}
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}
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/// Create a stream to talk to the pixelflut server.
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///
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/// The stream is returned as result.
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fn create_stream(host: String) -> Result<TcpStream, Error> {
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TcpStream::connect(host)
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}
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@@ -1,13 +1,24 @@
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extern crate bufstream;
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extern crate regex;
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use std::io::Error;
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use std::io::{Error, ErrorKind};
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use std::io::prelude::*;
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use std::net::TcpStream;
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use self::bufstream::BufStream;
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use self::regex::Regex;
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use color::Color;
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// The default buffer size for reading the client stream.
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// - Big enough so we don't have to expand
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// - Small enough to not take up to much memory
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const CMD_READ_BUFFER_SIZE: usize = 32;
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// The response format of the screen size from a pixelflut server.
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const PIX_SERVER_SIZE_REGEX: &'static str =
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r"^(?i)\s*SIZE\s*([[:digit:]])+\s*([[:digit:]])+\s*$";
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/// A pixelflut client.
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@@ -29,6 +40,16 @@ impl Client {
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}
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}
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/// Create a new client instane from the given host, and connect to it.
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pub fn connect(host: String) -> Result<Client, Error> {
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// Create a new stream, and instantiate the client
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Ok(
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Client::new(
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create_stream(host)?
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)
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)
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}
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/// Write a pixel to the given stream.
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pub fn write_pixel(&mut self, x: u32, y: u32, color: &Color) -> Result<(), Error> {
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// Write the command to set a pixel
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@@ -37,16 +58,27 @@ impl Client {
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)
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}
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// /// Read the size of the screen.
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// fn read_screen_size(&mut self) {
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// // Read the screen size
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// let size = self
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// .write_read_command("SIZE".into())
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// .expect("Failed to read screen size");
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//
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// // TODO: Remove this after debugging
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// println!("Read size: {}", size);
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// }
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/// Read the size of the screen.
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pub fn read_screen_size(&mut self) -> Result<(u32, u32), Error> {
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// Read the screen size
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let data = self
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.write_read_command("SIZE".into())
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.expect("Failed to read screen size");
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// Build a regex to parse the screen size
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let re = Regex::new(PIX_SERVER_SIZE_REGEX).unwrap();
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// Find captures in the data, return the result
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match re.captures(&data) {
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Some(matches) => Ok((
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matches[1].parse::<u32>().expect("Failed to parse screen width, received malformed data"),
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matches[2].parse::<u32>().expect("Failed to parse screen height, received malformed data"),
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)),
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None => Err(
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Error::new(ErrorKind::Other, "Failed to parse screen size, received malformed data")
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),
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}
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}
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/// Write the given command to the given stream.
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fn write_command(&mut self, cmd: String) -> Result<(), Error> {
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@@ -58,18 +90,29 @@ impl Client {
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Ok(())
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}
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// /// Write the given command to the given stream, and read the output.
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// fn write_read_command(&mut self, cmd: String) -> Result<String, Error> {
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// // Write the command
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// self.write_command(cmd);
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//
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// // Read the output
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// let mut buffer = String::with_capacity(CMD_READ_BUFFER_SIZE);
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// println!("Reading line...");
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// self.stream.read_line(&mut buffer)?;
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// println!("Done reading");
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//
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// // Return the read string
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// Ok(buffer)
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// }
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/// Write the given command to the given stream, and read the output.
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fn write_read_command(&mut self, cmd: String) -> Result<String, Error> {
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// Write the command
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self.write_command(cmd);
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// Flush the pipe, ensure the command is actually sent
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self.stream.flush()?;
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// Read the output
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// TODO: this operation may get stuck (?) if nothing is received from the server
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let mut buffer = String::with_capacity(CMD_READ_BUFFER_SIZE);
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self.stream.read_line(&mut buffer)?;
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// Return the read string
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Ok(buffer)
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}
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}
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/// Create a stream to talk to the pixelflut server.
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///
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/// The stream is returned as result.
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fn create_stream(host: String) -> Result<TcpStream, Error> {
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TcpStream::connect(host)
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}
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|
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