diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b8ce6a0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.cproject
+.project
+build
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..b46a3bc
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,141 @@
+cmake_minimum_required(VERSION 2.8)
+include(CheckCSourceCompiles)
+
+set(SRCS_M
+ src/master/sai-master.c
+ src/master/conf.c
+ src/master/ws.c
+)
+set(SRCS_B
+ src/builder/sai-builder.c
+ src/builder/conf.c
+ src/builder/protocol.c
+)
+
+set(LIB_DIR lib CACHE PATH "Install dir for libraries")
+set(BIN_DIR bin CACHE PATH "Install dir for executables")
+set(INCLUDE_DIR include CACHE PATH "Install dir for header files")
+set(DATA_DIR share CACHE PATH "Install dir for data files")
+
+#
+# let the code know where the assets were installed
+#
+set(CMAKE_C_FLAGS "-D LWS_DATA_DIR=\\\"${CMAKE_INSTALL_PREFIX}/${DATA_DIR}\\\" ${CMAKE_C_FLAGS}")
+
+
+# If we are being built as part of lws, confirm current build config supports
+# reqconfig, else skip building ourselves.
+#
+# If we are being built externally, confirm installed lws was configured to
+# support reqconfig, else error out with a helpful message about the problem.
+#
+MACRO(require_lws_config reqconfig _val result)
+
+ if (DEFINED ${reqconfig})
+ if (${reqconfig})
+ set (rq 1)
+ else()
+ set (rq 0)
+ endif()
+ else()
+ set(rq 0)
+ endif()
+
+ if (${_val} EQUAL ${rq})
+ set(SAME 1)
+ else()
+ set(SAME 0)
+ endif()
+
+ if (LWS_WITH_MINIMAL_EXAMPLES AND NOT ${SAME})
+ if (${_val})
+ message("${SAMP}: skipping as lws being built without ${reqconfig}")
+ else()
+ message("${SAMP}: skipping as lws built with ${reqconfig}")
+ endif()
+ set(${result} 0)
+ else()
+ if (LWS_WITH_MINIMAL_EXAMPLES)
+ set(MET ${SAME})
+ else()
+ CHECK_C_SOURCE_COMPILES("#include <libwebsockets.h>\nint main(void) {\n#if defined(${reqconfig})\n return 0;\n#else\n fail;\n#endif\n return 0;\n}\n" HAS_${reqconfig})
+ if (NOT DEFINED HAS_${reqconfig} OR NOT HAS_${reqconfig})
+ set(HAS_${reqconfig} 0)
+ else()
+ set(HAS_${reqconfig} 1)
+ endif()
+ if ((HAS_${reqconfig} AND ${_val}) OR (NOT HAS_${reqconfig} AND NOT ${_val}))
+ set(MET 1)
+ else()
+ set(MET 0)
+ endif()
+ endif()
+ if (NOT MET)
+ if (${_val})
+ message(FATAL_ERROR "This project requires lws must have been configured with ${reqconfig}")
+ else()
+ message(FATAL_ERROR "Lws configuration of ${reqconfig} is incompatible with this project")
+ endif()
+ endif()
+
+ endif()
+ENDMACRO()
+
+set(requirements 1)
+require_lws_config(LWS_ROLE_H1 1 requirements)
+require_lws_config(LWS_ROLE_WS 1 requirements)
+require_lws_config(LWS_WITHOUT_SERVER 0 requirements)
+require_lws_config(LWS_WITHOUT_CLIENT 0 requirements)
+require_lws_config(LWS_WITH_UNIX_SOCK 1 requirements)
+
+if (requirements)
+ add_executable("sai-master" ${SRCS_M})
+ add_executable("sai-builder" ${SRCS_B})
+
+ if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
+ set(CMAKE_C_FLAGS "-Wall -Wsign-compare -Wignored-qualifiers -Wtype-limits -Wuninitialized -Werror -Wundef ${CMAKE_C_FLAGS}" )
+ endif()
+
+ if (websockets_shared)
+ target_link_libraries("sai-master" websockets_shared)
+ add_dependencies("sai-master" websockets_shared)
+
+ target_link_libraries("sai-builder" websockets_shared)
+ add_dependencies("sai-builder" websockets_shared)
+ else()
+ target_link_libraries("sai-master" websockets)
+ target_link_libraries("sai-builder" websockets)
+ endif()
+
+#
+# libgit2 paths
+#
+find_path( GIT2_INC_PATH NAMES "git2.h")
+find_library(GIT2_LIB_PATH NAMES "git2")
+
+if (GIT2_INC_PATH AND GIT2_LIB_PATH)
+ include_directories(BEFORE "${GIT2_INC_PATH}")
+else()
+ message(FATAL_ERROR " Unable to find libgit2")
+endif()
+
+target_link_libraries("sai-master" ${GIT2_LIB_PATH})
+target_link_libraries("sai-builder" ${GIT2_LIB_PATH})
+
+ install(TARGETS sai-master sai-builder
+
+ LIBRARY DESTINATION "${LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
+ ARCHIVE DESTINATION "${LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
+ RUNTIME DESTINATION "${BIN_DIR}" COMPONENT libraries
+ PUBLIC_HEADER DESTINATION "${INCLUDE_DIR}" COMPONENT dev)
+
+ install(FILES assets/index.html
+ assets/sai.css
+ assets/sai.js
+ assets/lws-common.js
+ assets/sai.svg
+ assets/favicon.ico
+ assets/strict-csp.svg
+ DESTINATION "${DATA_DIR}/sai/assets")
+
+endif()
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..8a9b677
--- /dev/null
+++ b/README.md
@@ -0,0 +1,61 @@
+
+
+`Sai` (pronouced like 'sigh', "Trial" in Japanese) is a very lightweight
+network-aware remote CI runner. It knows how to use `systemd-nspawn` and
+`overlayfs` to build remote git repos on a variety of distro versions very
+cheaply.
+
+On small targets, it can also build on the host rootfs directly, and can also
+run on an RPi3-class 'buddy' to flash and collect results (eg, over serial, or
+gpio) from even smaller targets.
+
+A self-assembling constellation of Sai Builders make their own connections to a
+master, who then received hook notifications, distributes work concurrently over
+idle builders that have the required environment, and logs results.
+
+## General approach
+
+ - Sai builders for various platforms and scenarios are configured and run
+ independently... they maintain "nailed-up" connections to the master over
+ wss, and announce their capabilities. The builders do not need any listening
+ ports or other central management this way.
+
+ - When a git repo being monitored is updated, a hook performs a GET notiftying
+ the Sai master.
+
+ - The Sai master fetches `.sai.json` from the repo and queues jobs on connected
+ builders that have the platform and OS versions requested for build in
+ the `.sai.json`.
+
+ - On the builders, result channels (like stdout, stderr) with logs and
+ results are first listed and then streamed back to the master and the build
+ proceeds. Discrete files may also be streamed to the master like this.
+
+ - The master makes human readable current and historical results available
+ in realtime over https
+
+ - The Sai master node also has a builder integrated. So to get started you
+ can do it all on one machine.
+
+## Creating a selfsigned TLS cert
+
+You can create a P-521 EC key and self-signed certificate for use with Sai
+master like this:
+
+```
+$ openssl ecparam -name secp521r1 -genkey -param_enc explicit -out sai-selfsigned-key.pem
+$ echo -e "\n\n\n\n\n\n" | openssl req -new -x509 -key sai-selfsigned-key.pem -out sai-selfsigned-cert.pem
+```
+
+There's a helper script `sudo ./scripts/gen-selfsigned-certs.sh` to do this and
+install the results in `/usr/local/share/sai`, you can override the install
+directory by giving it as a commandline argument to the script.
+
+Or alternatively you can use your own PEM certificate and key from a trusted
+certifcate vendor, which matches your domain name.
+
+Self-signed is secure, but your browser will make you explicitly trust it before
+it will let you use it. Afterwards, your browser will notice if the certificate
+is different and untrusted for that site and warn you. Because you must
+generate it after install, your selfsigned cert will be unique.
+
diff --git a/assets/404.html b/assets/404.html
new file mode 100644
index 0000000..3e5a14b
--- /dev/null
+++ b/assets/404.html
@@ -0,0 +1,9 @@
+<meta charset="UTF-8">
+<html>
+ <body>
+ <img src="libwebsockets.org-logo.svg"><br>
+ <h1>404</h1>
+ Sorry, that file doesn't exist.
+ </body>
+</html>
+
diff --git a/assets/favicon.ico b/assets/favicon.ico
new file mode 100644
index 0000000..c0cc2e3
Binary files /dev/null and b/assets/favicon.ico differ
diff --git a/assets/index.html b/assets/index.html
new file mode 100644
index 0000000..11a3f7b
--- /dev/null
+++ b/assets/index.html
@@ -0,0 +1,17 @@
+<html>
+ <head>
+ <meta charset=utf-8 http-equiv="Content-Language" content="en"/>
+ <link rel="stylesheet" type="text/css" href="sai.css"/>
+ <script type='text/javascript' src="lws-common.js"></script>
+ <script type='text/javascript' src='sai.js'></script>
+
+ </head>
+ <body>
+ <table class="summary"><tr><td class="logo">
+ <img src="sai.svg"><br>
+ </td><td class="summary" id="summary">
+
+ </td></tr></table>
+ </body>
+</html>
+
diff --git a/assets/lws-common.js b/assets/lws-common.js
new file mode 100644
index 0000000..5d56ca2
--- /dev/null
+++ b/assets/lws-common.js
@@ -0,0 +1,128 @@
+/*
+ * This section around grayOut came from here:
+ * http://www.codingforums.com/archive/index.php/t-151720.html
+ * Assumed public domain
+ *
+ * Init like this in your main html script, this also reapplies the gray
+ *
+ * lws_gray_out(true,{'zindex':'499'});
+ *
+ * To remove the gray
+ *
+ * lws_gray_out(false);
+ *
+ */
+
+function gsize(ptype)
+{
+ var h = document.compatMode === "CSS1Compat" &&
+ !window.opera ?
+ document.documentElement.clientHeight :
+ document.body.clientHeight;
+ var w = document.compatMode === "CSS1Compat" &&
+ !window.opera ?
+ document.documentElement.clientWidth :
+ document.body.clientWidth;
+ var pageWidth, pageHeight, t;
+
+ if (document.body &&
+ (document.body.scrollWidth || document.body.scrollHeight)) {
+ t = document.body.scrollWidth;
+ pageWidth = (w > t) ? ("" + w + "px") : ("" + (t) + "px");
+ t = document.body.scrollHeight;
+ pageHeight = (h > t) ? ("" + h + "px") : ("" + (t) + "px");
+ } else if (document.body.offsetWidth) {
+ t = document.body.offsetWidth;
+ pageWidth = (w > t) ? ("" + w + "px") : ("" + (t) + "px");
+ t = document.body.offsetHeight;
+ pageHeight =(h > t) ? ("" + h + "px") : ("" + (t) + "px");
+ } else {
+ pageWidth = "100%";
+ pageHeight = "100%";
+ }
+ return (ptype === 1) ? pageWidth : pageHeight;
+}
+
+function addEvent( obj, type, fn ) {
+ if ( obj.attachEvent ) {
+ obj["e" + type + fn] = fn;
+ obj[type+fn] = function() { obj["e" + type + fn]( window.event );};
+ obj.attachEvent("on" + type, obj[type + fn]);
+ } else
+ obj.addEventListener(type, fn, false);
+}
+
+function removeEvent( obj, type, fn ) {
+ if ( obj.detachEvent ) {
+ obj.detachEvent("on" + type, obj[type + fn]);
+ obj[type + fn] = null;
+ } else
+ obj.removeEventListener(type, fn, false);
+}
+
+function lws_gray_out(vis, _options) {
+
+ var options = _options || {};
+ var zindex = options.zindex || 50;
+ var opacity = options.opacity || 70;
+ var opaque = (opacity / 100);
+ var bgcolor = options.bgcolor || "#000000";
+ var dark = document.getElementById("darkenScreenObject");
+
+ if (!dark) {
+ var tbody = document.getElementsByTagName("body")[0];
+ var tnode = document.createElement("div");
+ tnode.style.position = "absolute";
+ tnode.style.top = "0px";
+ tnode.style.left = "0px";
+ tnode.style.overflow = "hidden";
+ tnode.style.display ="none";
+ tnode.id = "darkenScreenObject";
+ tbody.appendChild(tnode);
+ dark = document.getElementById("darkenScreenObject");
+ }
+ if (vis) {
+ dark.style.opacity = opaque;
+ dark.style.MozOpacity = opaque;
+ // dark.style.filter ='alpha(opacity='+opacity+')';
+ dark.style.zIndex = zindex;
+ dark.style.backgroundColor = bgcolor;
+ dark.style.width = gsize(1);
+ dark.style.height = gsize(0);
+ dark.style.display = "block";
+ addEvent(window, "resize",
+ function() {
+ dark.style.height = gsize(0);
+ dark.style.width = gsize(1);
+ }
+ );
+ } else {
+ dark.style.display = "none";
+ removeEvent(window, "resize",
+ function() {
+ dark.style.height = gsize(0);
+ dark.style.width = gsize(1);
+ }
+ );
+ }
+}
+
+/*
+ * end of grayOut related stuff
+ */
+
+function new_ws(urlpath, protocol)
+{
+ if (typeof MozWebSocket != "undefined")
+ return new MozWebSocket(urlpath, protocol);
+
+ return new WebSocket(urlpath, protocol);
+}
+
+function lws_san(s)
+{
+ if (s.search("<") !== -1)
+ return "invalid string";
+
+ return s;
+}
diff --git a/assets/sai.css b/assets/sai.css
new file mode 100644
index 0000000..c0be30b
--- /dev/null
+++ b/assets/sai.css
@@ -0,0 +1,216 @@
+
+span.title {
+ font-size:18pt;
+ font-family: Arial;
+ font-weight:normal;
+ text-align:center;
+ color:#000000;
+}
+span.mount {
+ font-size:10pt;
+ font-family: Arial;
+ font-weight:normal;
+ text-align:center;
+ color:#000000;
+}
+span.mountname {
+ font-size:14pt;
+ font-family: Arial;
+ font-weight:bold;
+ text-align:center;
+ color:#404010;
+}
+span.n {
+ font-size:12pt;
+ font-family: Arial;
+ font-weight:normal;
+ text-align:center;
+ color:#808020;
+}
+span.sn {
+ font-size:12pt;
+ font-family: Arial;
+ font-weight:bold;
+ text-align:center;
+ color:#808020;
+}
+span.v {
+ font-size:12pt;
+ font-family: Arial;
+ font-weight:bold;
+ text-align:center;
+ color:#202020;
+}
+span.m1 {
+ font-size:12pt;
+ font-family: Arial;
+ font-weight:bold;
+ text-align:center;
+ color:#202020;
+}
+span.m2 {
+ font-size:12pt;
+ font-family: Arial;
+ font-weight:normal;
+ text-align:center;
+ color:#202020;
+}
+
+.browser { font-size:12pt; font-family: Arial; font-weight:normal; text-align:center; color:#ffff00; vertical-align:middle; text-align:center; background:#d0b070; padding:12px; -webkit-border-radius:10px; border-radius:10px;}
+.group2 { vertical-align:middle;
+ text-align:center;
+ background:#f0f0e0;
+ padding:12px;
+ -webkit-border-radius:10px;
+ border-radius:10px; }
+.explain { vertical-align:middle;
+ text-align:center;
+ background:#f0f0c0; padding:12px;
+ -webkit-border-radius:10px;
+ border-radius:10px;
+ color:#404000;
+ padding:3px;
+}
+td.wsstatus { vertical-align:middle; width:200px; height:50px;
+ text-align:center;
+ background:#f0f0c0; padding:6px;
+ -webkit-border-radius:8px;
+ border-radius:8px;
+ color:#404000; }
+.tdform { vertical-align:middle; width:200px; height:50px;
+ text-align:center;
+ background:#f0f0d0; padding:6px;
+ -webkit-border-radius:8px;
+ margin:10px;
+ border-radius:8px;
+ border: 1px solid black;
+ border-collapse: collapse;font-size:18pt; font-family: Arial; font-weight:normal; text-align:center; color:#000000;
+ color:#404000; }
+
+td.l { vertical-align:middle;
+ text-align:center;
+ background:#d0d0b0;
+ padding:3px;
+ -webkit-border-radius:3px;
+ border-radius:3px; }
+
+td.bigger { font-size:120%; }
+
+div.bgw { background:white }
+div.conninfo {
+ border: solid 2px #e0d040;
+ padding: 4px;
+ width: 500px;
+ height:350px;
+ overflow: auto;
+}
+span.f12 { font-size:12pt }
+
+.content { vertical-align:top; text-align:center; background:#fffff0; padding:12px; -webkit-border-radius:10px; border-radius:10px; }
+.canvas { vertical-align:top; text-align:center; background:#efefd0; padding:12px; -webkit-border-radius:10px; border-radius:10px; }
+.tabs {
+ position: relative;
+ min-height: 750px; /* This part sucks */
+ clear: both;
+ margin: 25px 0;
+}
+.tab {
+ float: left;
+}
+.tab label {
+ background: #eee;
+ padding: 10px;
+ border: 1px solid #ccc;
+ margin-left: -1px;
+ position: relative;
+ left: 1px;
+}
+.tab [type=radio] {
+ display: none;
+}
+.content {
+ position: absolute;
+ top: 28px;
+ left: 0;
+ background: white;
+ right: 0;
+ bottom: 0;
+ padding: 20px;
+ border: 1px solid #ccc;
+}
+[type=radio]:checked ~ label {
+ background: white;
+ border-bottom: 1px solid white;
+ z-index: 2;
+}
+[type=radio]:checked ~ label ~ .content {
+ z-index: 1;
+}
+
+td.wsstatus { vertical-align:middle; width:200px; height:50px;
+ text-align:center;
+ background:#f0f0c0; padding:6px;
+ -webkit-border-radius:8px;
+ border-radius:8px;
+ color:#404000; }
+td.l { vertical-align:middle;
+ text-align:center;
+ background:#d0d0b0;
+ padding:3px;
+ -webkit-border-radius:3px;
+ border-radius:3px; }
+td.dl { vertical-align:middle;
+ text-align:center;
+ background:#c0c0c0;
+ padding:3px;
+ -webkit-border-radius:3px;
+ border-radius:3px; }
+td.c { vertical-align:middle;
+ text-align:center;
+ background:#c0c0a0;
+ padding:3px;
+ -webkit-border-radius:3px;
+ border-radius:3px; }
+td.c0 { vertical-align:middle;
+ text-align:center;
+ background:#b0b090;
+ padding:3px;
+ -webkit-border-radius:3px;
+ border-radius:3px; }
+td.dc0 { vertical-align:middle;
+ text-align:center;
+ background:#a0a0a0;
+ padding:3px;
+ -webkit-border-radius:3px;
+ border-radius:3px; }
+td.c1 { vertical-align:middle;
+ text-align:center;
+ background:#c0c0c0;
+ padding:3px;
+ -webkit-border-radius:3px;
+ border-radius:3px; }
+td.t { vertical-align:middle;
+ text-align:center;
+ background:#e0e0c0;
+ padding:3px;
+ -webkit-border-radius:3px;
+ border-radius:3px;
+}
+
+
+table.summary {
+ width: 100%;
+}
+td.logo {
+ margin: 16px;
+ margin-right: 32px;
+ padding: 16px;
+}
+td.summary {
+ background: #f8f8f8;
+ width: 100%;
+ margin: 16px;
+ padding: 16px;
+}
+
+
\ No newline at end of file
diff --git a/assets/sai.js b/assets/sai.js
new file mode 100644
index 0000000..59477d8
--- /dev/null
+++ b/assets/sai.js
@@ -0,0 +1,251 @@
+(function() {
+
+/*
+ * We display untrusted stuff in html context... reject anything
+ * that has HTML stuff in it
+ */
+
+function san(s)
+{
+ if (s.search("<") !== -1)
+ return "invalid string";
+
+ return s;
+}
+
+function humanize(s)
+{
+ var i = parseInt(s, 10);
+
+ if (i >= (1024 * 1024 * 1024))
+ return (i / (1024 * 1024 * 1024)).toFixed(3) + "Gi";
+
+ if (i >= (1024 * 1024))
+ return (i / (1024 * 1024)).toFixed(3) + "Mi";
+
+ if (i > 1024)
+ return (i / 1024).toFixed(3) + "Ki";
+
+ return s;
+}
+
+ var pos = 0;
+
+function get_appropriate_ws_url()
+{
+ var pcol;
+ var u = document.URL;
+
+ /*
+ * We open the websocket encrypted if this page came on an
+ * https:// url itself, otherwise unencrypted
+ */
+
+ if (u.substring(0, 5) === "https") {
+ pcol = "wss://";
+ u = u.substr(8);
+ } else {
+ pcol = "ws://";
+ if (u.substring(0, 4) === "http")
+ u = u.substr(7);
+ }
+
+ u = u.split("/");
+
+ return pcol + u[0];
+}
+
+
+var sai, jso, s;
+
+function ws_open_server_status()
+{
+ sai = new WebSocket(get_appropriate_ws_url() + "/browse", "com-warmcat-sai");
+
+ console.log(get_appropriate_ws_url() + "/browse");
+
+ try {
+ sai.onopen = function() {
+ // document.getElementById("title").innerHTML = "Server Status (Active)";
+ lws_gray_out(false);
+ };
+
+ sai.onmessage =function got_packet(msg) {
+ var u, ci, n;
+ console.log(msg.data);
+ if (msg.data.length < 100)
+ return;
+ jso = JSON.parse(msg.data);
+ u = parseInt(san(jso.i.uptime), 10);
+
+ if (parseInt(jso.i.contexts[0].deprecated, 10) === 0)
+ s = "<table><tr><td></td><td class=\"c0\">";
+ else
+ s = "<table><tr><td></td><td class=\"dc0\">";
+ s +=
+ "Server</td><td>" +
+ "<span class=\"sn\">Server Version:</span> <span class=\"v\">" +
+ san(jso.i.version) + "</span><br>" +
+ "<span class=\"sn\">Host Uptime:</span> <span class=\"v\">" +
+ ((u / (24 * 3600)) | 0) + "d " +
+ (((u % (24 * 3600)) / 3600) | 0) + "h " +
+ (((u % 3600) / 60) | 0) + "m</span>";
+ if (jso.i.l1)
+ s = s + ", <span class=\"sn\">Host Load:</span> <span class=\"v\">" + san(jso.i.l1) + " ";
+ if (jso.i.l2)
+ s = s + san(jso.i.l2) + " ";
+ if (jso.i.l3)
+ s = s + san(jso.i.l3);
+ if (jso.i.l1)
+ s =s + "</span>";
+
+ if (jso.i.statm) {
+ var sm = jso.i.statm.split(" ");
+ s += ", <span class=\"sn\">Virt stack + heap Usage:</span> <span class=\"v\">" +
+ humanize(parseInt(sm[0], 10) * 4096) + "B</span>";
+ }
+
+ for (n = 0; n < jso.files.length; n++) {
+ s += "<br><span class=n>" + san(jso.files[n].path) + ":</span><br> " + san(jso.files[n].val);
+ }
+ s += "</td></tr>";
+
+ for (ci = 0; ci < jso.i.contexts.length; ci++) {
+
+ if (parseInt(jso.i.contexts[ci].deprecated, 10) === 0)
+ s += "<tr><td></td><td class=\"c\">" +
+ "Active Context</td><td>";
+ else
+ s += "<tr><td></td><td class=\"c1\">" +
+ "Deprecated Context " + ci + "</td><td>";
+
+ u = parseInt(san(jso.i.contexts[ci].context_uptime), 10);
+ s += "<span class=n>Server Uptime:</span> <span class=v>" +
+ ((u / (24 * 3600)) | 0) + "d " +
+ (((u % (24 * 3600)) / 3600) | 0) + "h " +
+ (((u % 3600) / 60) | 0) + "m</span>";
+
+ s = s +
+ "<br>" +
+ "<span class=n>Listening wsi:</span> <span class=v>" + san(jso.i.contexts[ci].listen_wsi) + "</span>, " +
+ "<span class=n>Current wsi alive:</span> <span class=v>" + (parseInt(san(jso.i.contexts[ci].wsi_alive), 10) -
+ parseInt(san(jso.i.contexts[ci].listen_wsi), 10)) + "</span><br>" +
+ "<span class=n>Total Rx:</span> <span class=v>" + humanize(san(jso.i.contexts[ci].rx)) +"B</span>, " +
+ "<span class=n>Total Tx:</span> <span class=v>" + humanize(san(jso.i.contexts[ci].tx)) +"B</span><br>" +
+
+ "<span class=n>CONNECTIONS: HTTP/1.x:</span> <span class=v>" + san(jso.i.contexts[ci].h1_conn) +"</span>, " +
+ "<span class=n>Websocket:</span> <span class=v>" + san(jso.i.contexts[ci].ws_upg) +"</span>, " +
+ "<span class=n>H2 upgrade:</span> <span class=v>" + san(jso.i.contexts[ci].h2_upg) +"</span>, " +
+ "<span class=n>H2 ALPN:</span> <span class=v>" + san(jso.i.contexts[ci].h2_alpn) +"</span>, " +
+ "<span class=n>Rejected:</span> <span class=v>" + san(jso.i.contexts[ci].rejected) +"</span><br>" +
+
+ "<span class=n>TRANSACTIONS: HTTP/1.x:</span> <span class=v>" + san(jso.i.contexts[ci].h1_trans) + "</span>, " +
+ "<span class=n>H2:</span> <span class=v>" + san(jso.i.contexts[ci].h2_trans) +"</span>, " +
+ "<span class=n>Total H2 substreams:</span> <span class=v>" + san(jso.i.contexts[ci].h2_subs) +"</span><br>" +
+
+ "<span class=n>CGI: alive:</span> <span class=v>" + san(jso.i.contexts[ci].cgi_alive) + "</span>, " +
+ "<span class=n>spawned:</span> <span class=v>" + san(jso.i.contexts[ci].cgi_spawned) +
+ "</span><table>";
+
+ for (n = 0; n < jso.i.contexts[ci].pt.length; n++) {
+
+ if (parseInt(jso.i.contexts[ci].deprecated, 10) === 0)
+ s += "<tr><td> </td><td class=\"l\">service thread " + (n + 1);
+ else
+ s += "<tr><td> </td><td class=\"dl\">service thread " + (n + 1);
+ s += "</td><td>" +
+ "<span class=n>fds:</span> <span class=v>" + san(jso.i.contexts[ci].pt[n].fds_count) + " / " +
+ san(jso.i.contexts[ci].pt_fd_max) + "</span>, ";
+ s = s + "<span class=n>ah pool:</span> <span class=v>" + san(jso.i.contexts[ci].pt[n].ah_pool_inuse) + " / " +
+ san(jso.i.contexts[ci].ah_pool_max) + "</span>, " +
+ "<span class=n>ah waiting list:</span> <span class=v>" + san(jso.i.contexts[ci].pt[n].ah_wait_list);
+
+ s = s + "</span></td></tr>";
+
+ }
+ for (n = 0; n < jso.i.contexts[ci].vhosts.length; n++) {
+ if (parseInt(jso.i.contexts[ci].deprecated, 10) === 0)
+ s += "<tr><td> </td><td class=\"l\">vhost " + (n + 1);
+ else
+ s += "<tr><td> </td><td class=\"dl\">vhost " + (n + 1);
+ s += "</td><td><span class=\"mountname\">";
+ if (jso.i.contexts[ci].vhosts[n].use_ssl === "1")
+ s = s + "https://";
+ else
+ s = s + "http://";
+ s = s + san(jso.i.contexts[ci].vhosts[n].name) + ":" +
+ san(jso.i.contexts[ci].vhosts[n].port) + "</span>";
+ if (jso.i.contexts[ci].vhosts[n].sts === "1")
+ s = s + " (STS)";
+ s = s +"<br>" +
+
+ "<span class=n>Total Rx:</span> <span class=v>" + humanize(san(jso.i.contexts[ci].vhosts[n].rx)) +"B</span>, " +
+ "<span class=n>Total Tx:</span> <span class=v>" + humanize(san(jso.i.contexts[ci].vhosts[n].tx)) +"B</span><br>" +
+
+ "<span class=n>CONNECTIONS: HTTP/1.x:</span> <span class=v>" + san(jso.i.contexts[ci].vhosts[n].h1_conn) +"</span>, " +
+ "<span class=n>Websocket:</span> <span class=v>" + san(jso.i.contexts[ci].vhosts[n].ws_upg) +"</span>, " +
+ "<span class=n>H2 upgrade:</span> <span class=v>" + san(jso.i.contexts[ci].vhosts[n].h2_upg) +"</span>, " +
+ "<span class=n>H2 ALPN:</span> <span class=v>" + san(jso.i.contexts[ci].vhosts[n].h2_alpn) +"</span>, " +
+ "<span class=n>Rejected:</span> <span class=v>" + san(jso.i.contexts[ci].vhosts[n].rejected) +"</span><br>" +
+
+ "<span class=n>TRANSACTIONS: HTTP/1.x:</span> <span class=v>" + san(jso.i.contexts[ci].vhosts[n].h1_trans) + "</span>, " +
+ "<span class=n>H2:</span> <span class=v>" + san(jso.i.contexts[ci].vhosts[n].h2_trans) +"</span>, " +
+ "<span class=n>Total H2 substreams:</span> <span class=v>" + san(jso.i.contexts[ci].vhosts[n].h2_subs) +"</span><br>";
+
+ if (jso.i.contexts[ci].vhosts[n].mounts) {
+ s = s + "<table><tr><td class=t>Mountpoint</td><td class=t>Origin</td><td class=t>Cache Policy</td></tr>";
+
+ var m;
+ for (m = 0; m < jso.i.contexts[ci].vhosts[n].mounts.length; m++) {
+ s = s + "<tr><td>";
+ s = s + "<span class=\"m1\">" + san(jso.i.contexts[ci].vhosts[n].mounts[m].mountpoint) +
+ "</span></td><td><span class=\"m2\">" +
+ san(jso.i.contexts[ci].vhosts[n].mounts[m].origin) +
+ "</span></td><td>";
+ if (parseInt(san(jso.i.contexts[ci].vhosts[n].mounts[m].cache_max_age), 10))
+ s = s + "<span class=n>max-age:</span> <span class=v>" +
+ san(jso.i.contexts[ci].vhosts[n].mounts[m].cache_max_age) +
+ "</span>, <span class=n>reuse:</span> <span class=v>" +
+ san(jso.i.contexts[ci].vhosts[n].mounts[m].cache_reuse) +
+ "</span>, <span class=n>reval:</span> <span class=v>" +
+ san(jso.i.contexts[ci].vhosts[n].mounts[m].cache_revalidate) +
+ "</span>, <span class=n>inter:</span> <span class=v>" +
+ san(jso.i.contexts[ci].vhosts[n].mounts[m].cache_intermediaries);
+ s = s + "</span></td></tr>";
+ }
+ s = s + "</table>";
+ }
+ s = s + "</td></tr>";
+ }
+
+ s += "</table></td></tr>";
+
+ } // context
+ s = s + "</table>";
+
+ document.getElementById("conninfo").innerHTML = s;
+ };
+
+ sai.onclose = function(){
+// document.getElementById("title").innerHTML = "Server Status (Disconnected)";
+ lws_gray_out(true,{"zindex":"499"});
+
+ myVar = setTimeout(ws_open_server_status, 3000);
+ };
+ } catch(exception) {
+ alert("<p>Error" + exception);
+ }
+}
+
+/* stuff that has to be delayed until all the page assets are loaded */
+
+window.addEventListener("load", function() {
+
+ lws_gray_out(true,{"zindex":"499"});
+
+ ws_open_server_status();
+
+}, false);
+
+}());
+
diff --git a/assets/sai.svg b/assets/sai.svg
new file mode 100644
index 0000000..bf913b2
--- /dev/null
+++ b/assets/sai.svg
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="78.646mm" height="38.001mm" version="1.1" viewBox="0 0 78.646 38.001" xmlns="http://www.w3.org/2000/svg">
+ <g transform="translate(195.5 -47.682)">
+ <g>
+ <g transform="matrix(.70522 0 0 .70522 -57.63 14.056)" dominant-baseline="auto" stroke-width="4.2629" style="font-feature-settings:normal;font-variant-alternates:normal;font-variant-caps:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-position:normal;shape-padding:0;text-decoration-color:#000000;text-decoration-line:none;text-decoration-style:solid;text-indent:0;text-orientation:mixed;text-transform:none;white-space:normal" aria-label="Sai">
+ <path d="m-122.89 79.46q0 5.6894-2.8864 8.7146-2.8586 3.0251-8.2705 3.0251-5.3009 0-9.0199-2.0815v-7.4657q4.5516 2.9696 8.3538 2.9696 2.1648 0 3.2472-1.1934 1.1101-1.1934 1.1101-3.2471 0-2.026-1.3044-3.6912-1.3044-1.693-4.3018-3.7467-2.6088-1.804-3.9687-3.4414-1.3322-1.6652-2.0815-3.719-0.72159-2.0538-0.72159-4.7736 0-5.2176 2.8864-8.2705 2.9141-3.0529 7.7987-3.0529 4.6626 0 8.9644 2.6088l-2.4978 6.0502q-1.3322-0.7771-2.8031-1.3877-1.4432-0.61058-3.1084-0.61058-1.8317 0-2.8308 1.2212-0.97136 1.1934-0.97136 3.2749 0 2.0538 1.1656 3.5802 1.1934 1.5264 4.1353 3.4692 3.9687 2.6643 5.5229 5.4397 1.582 2.7753 1.582 6.3278z"/>
+ <path d="m-103.13 90.645-1.4709-4.2185h-0.16652q-1.6374 2.7198-3.3859 3.7467-1.7485 1.0269-4.4128 1.0269-3.4137 0-5.3842-2.5533-1.9427-2.5533-1.9427-7.1049 0-4.8846 2.6643-7.2436 2.6921-2.3868 8.0207-2.6366l4.1075-0.16652v-2.2203q0-4.3295-3.7467-4.3295-2.7753 0-6.3833 2.1648l-2.5533-5.1066q4.6071-2.9141 10.019-2.9141 4.9124 0 7.4657 2.8308 2.5811 2.8031 2.5811 7.9652v20.76zm-6.411-5.2176q2.026 0 3.2194-1.804 1.2212-1.8317 1.2212-4.8568v-2.6088l-2.2758 0.11101q-2.5256 0.13877-3.719 1.4432-1.1656 1.3044-1.1656 3.8855 0 3.83 2.7198 3.83z"/>
+ <path d="m-84.312 90.645h-7.3824v-30.917h7.3824zm-7.6877-38.994q0-1.8317 1.0546-2.8864 1.0824-1.0824 2.9974-1.0824 1.804 0 2.8864 1.0824 1.0824 1.0546 1.0824 2.8864 0 1.8872-1.1101 2.9419-1.1101 1.0269-2.8586 1.0269-1.8317 0-2.9419-1.0269-1.1101-1.0546-1.1101-2.9419z"/>
+ </g>
+ <path d="m-165.8 63.781a14.486 14.486 0 0 1-14.486 14.486 14.486 14.486 0 0 1-14.486-14.486 14.486 14.486 0 0 1 14.486-14.486 14.486 14.486 0 0 1 14.486 14.486z" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.4552"/>
+ <g transform="matrix(1.6615 0 0 1.6615 566.58 -162.55)" dominant-baseline="auto" fill="#fff" style="font-feature-settings:normal;font-variant-alternates:normal;font-variant-caps:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-position:normal;shape-padding:0;text-decoration-color:#000000;text-decoration-line:none;text-decoration-style:solid;text-indent:0;text-orientation:mixed;text-transform:none;white-space:normal" aria-label="裁">
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+ </g>
+ </g>
+ <g transform="matrix(.70522 0 0 .70522 -174.25 113.4)">
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+ <g>
+ <g stroke="#000" stroke-width=".2104px">
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diff --git a/assets/strict-csp.svg b/assets/strict-csp.svg
new file mode 100644
index 0000000..cd128f1
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diff --git a/etc-sai-EXAMPLE/builder/conf b/etc-sai-EXAMPLE/builder/conf
new file mode 100644
index 0000000..83360cd
--- /dev/null
+++ b/etc-sai-EXAMPLE/builder/conf
@@ -0,0 +1,41 @@
+{
+ #
+ # where to find the nspawn contexts (scanned at runtime)
+ #
+ "systemd-nspawn": {
+ "path": "/home/sai/sai-nspawn",
+ "instances": 3,
+ "timeout": 1800
+ },
+
+ #
+ # physically connected targets, like microconstroller boards
+ #
+ "target": [
+ {
+ "name": "optee-hikey-arm64",
+ "timeout": 3600,
+ "consoles": [
+ {
+ "name": "dbg",
+ "path": "/dev/by-id/usb-FTDI_FT232R_USB_UART_A50285BI-if00-port0",
+ "baudrate": 115200,
+ "mode": "n81"
+ }
+ ]
+ }
+ ],
+
+ #
+ # masters we will accept jobs from
+ #
+ "masters": [
+ {
+# "url": "wss://warmcat.com/builder",
+ "url": "wss://localhost:443/builder",
+ "selfsigned": 1,
+ "priority": 1
+ }
+ ]
+}
+
diff --git a/etc-sai-EXAMPLE/master/conf b/etc-sai-EXAMPLE/master/conf
new file mode 100644
index 0000000..58d027a
--- /dev/null
+++ b/etc-sai-EXAMPLE/master/conf
@@ -0,0 +1,14 @@
+# these are the sai server global settings
+#
+# stuff related to each vhosts should go in one
+# file per vhost in ./conf.d/
+
+{
+ "global": {
+ "uid": "48", # after init, run as apache user
+ "gid": "48", # after init, run as apache group
+ "server-string": "sai",
+ "init-ssl": "yes"
+ }
+}
+
diff --git a/etc-sai-EXAMPLE/master/conf.d/localhost b/etc-sai-EXAMPLE/master/conf.d/localhost
new file mode 100644
index 0000000..7ccda44
--- /dev/null
+++ b/etc-sai-EXAMPLE/master/conf.d/localhost
@@ -0,0 +1,127 @@
+# you should create one file like this per vhost in /etc/sai/conf.d
+
+{
+ "vhosts": [{
+ # this should match the external hostname for the vhost,
+ # like xyz.com
+ "name": "localhost",
+ # multiple vhosts can occupy the same port (SNI is used
+ # to resolve)
+ "port": "443",
+ # required for avatar cache
+ "enable-client-ssl": "on",
+ # "ipv6": "on",
+ "interface": "lo",
+
+# "ciphers": "DEFAULT",
+# "tls13-ciphers": "DEFAULT",
+
+ # You should store your real certificate key somewhere safer,
+ # eg on Fedora /etc/pki/tls/private, readable only by root. But
+ # since the right place for this differs by distro and these
+ # particular certs are not valuable, we get them from
+ # /usr/local/share where they are installed.
+
+ "host-ssl-key": "/usr/local/share/sai/sai-selfsigned-key.pem",
+ "host-ssl-cert": "/usr/local/share/sai/sai-selfsigned-cert.pem",
+
+ "mounts": [
+ {
+ # static assets like js, css, fonts
+ "mountpoint": "/sai",
+ "default": "index.html",
+ "origin": "file:///usr/local/share/sai/assets",
+ "cache-max-age": "7200",
+ "cache-reuse": "1",
+ "cache-revalidate": "0",
+ "cache-intermediaries": "0",
+ "extra-mimetypes": {
+ ".zip": "application/zip",
+ ".map": "application/json",
+ ".ttf": "application/x-font-ttf"
+ }
+ },
+ {
+ # semi-static cached avatar icons
+ "mountpoint": "/sai/avatar",
+ "origin": "callback://avatar-proxy",
+ "cache-max-age": "2400",
+ "cache-reuse": "1",
+ "cache-revalidate": "0",
+ "cache-intermediaries": "0"
+ }
+ ],
+
+ #
+ # these headers, which will be sent on every transaction, make
+ # recent browsers definitively ban any external script sources,
+ # no matter what might manage to get injected later in the
+ # page. It's a last line of defence against any successful XSS.
+ #
+
+ "headers": [{
+ "content-security-policy": "default-src 'none'; img-src 'self' data: https://travis-ci.org https://api.travis-ci.org https://ci.appveyor.com https://scan.coverity.com; script-src 'self'; font-src 'self'; style-src 'self'; connect-src 'self'; frame-ancestors 'none'; base-uri 'none';",
+ "x-content-type-options": "nosniff",
+ "x-xss-protection": "1; mode=block",
+ "x-frame-options": "deny",
+ "referrer-policy": "no-referrer"
+ }],
+
+ "ws-protocols": [
+
+ {"com-warmcat-sai": {
+ # template HTML to use for this vhost. You'd normally
+ # copy this to gitohashi-vhostname.html and modify it
+ # to show the content, logos, links, fonts, css etc for
+ # your vhost. It's not served directly but read from
+ # the filesystem. Although it's cached in memory by
+ # gitohashi, it checks for changes and reloads if
+ # changed automatically.
+ #
+ # Putting logos etc as svg in css is highly recommended,
+ # like fonts these can be transferred once with a loose
+ # caching policy. So in practice they cost very little,
+ # and allow the browser to compose the page without
+ # delay.
+ #
+ "html-file": "/usr/local/share/gitohashi/templates/gitohashi-example.html",
+ #
+ # vpath required at start of links into this vhost's
+ # gitohashi content for example if an external http
+ # server is proxying us, and has been told to direct
+ # URLs starting "/git" to us, this should be set to
+ # "/git/" so URLs we generate referring to our own pages
+ # can work.
+ #
+ "vpath": "/sai/",
+ #
+ # url mountpoint for the avatar cache
+ #
+ "avatar-url": "/sai/avatar/",
+ #
+ # libjsgit2 JSON cache... this
+ # should not be directly served
+ #
+ "cache-base": "/var/cache/libjsongit2",
+ #
+ # restrict the JSON cache size
+ # to 2GB
+ #
+ "cache-size": "2000000000",
+ #
+ # optional flags, b0 = 1 = blog mode
+ #
+ "flags": 0
+ #"blog-repo-name": "myrepo"
+ },
+ "avatar-proxy": {
+ "remote-base": "https://www.gravatar.com/avatar/",
+ #
+ # this dir is served via avatar-proxy
+ #
+ "cache-dir": "/var/cache/libjsongit2"
+ }}
+ ]
+ }
+ ]
+}
diff --git a/etc-sai-EXAMPLE/master/conf.d/unixskt b/etc-sai-EXAMPLE/master/conf.d/unixskt
new file mode 100644
index 0000000..6c5fddc
--- /dev/null
+++ b/etc-sai-EXAMPLE/master/conf.d/unixskt
@@ -0,0 +1,112 @@
+# you should create one file like this per vhost in /etc/sai/conf.d
+
+{
+ "vhosts": [{
+ # this has no special meaning but needs to be unique
+ "name": "unixskt",
+ "unix-socket": 1,
+ # multiple vhosts can exist with different unix skt names
+ "interface": "/var/run/sai-unixskt",
+ # required for avatar cache
+ "enable-client-ssl": "on",
+
+ "mounts": [
+ {
+ # static assets like js, css, fonts
+ "mountpoint": "/sai",
+ "default": "index.html",
+ "origin": "file:///usr/local/share/sai/assets",
+ "cache-max-age": "7200",
+ "cache-reuse": "1",
+ "cache-revalidate": "0",
+ "cache-intermediaries": "0",
+ "extra-mimetypes": {
+ ".zip": "application/zip",
+ ".map": "application/json",
+ ".ttf": "application/x-font-ttf"
+ }
+ },
+ {
+ # semi-static cached avatar icons
+ "mountpoint": "/sai/avatar",
+ "origin": "callback://avatar-proxy",
+ "cache-max-age": "2400",
+ "cache-reuse": "1",
+ "cache-revalidate": "0",
+ "cache-intermediaries": "0"
+ }
+ ],
+
+ #
+ # these headers, which will be sent on every transaction, make
+ # recent browsers definitively ban any external script sources,
+ # no matter what might manage to get injected later in the
+ # page. It's a last line of defence against any successful XSS.
+ #
+
+ "headers": [{
+ "content-security-policy": "default-src 'none'; img-src 'self' data: https://travis-ci.org https://api.travis-ci.org https://ci.appveyor.com https://scan.coverity.com; script-src 'self'; font-src 'self'; style-src 'self'; connect-src 'self'; frame-ancestors 'none'; base-uri 'none';",
+ "x-content-type-options": "nosniff",
+ "x-xss-protection": "1; mode=block",
+ "x-frame-options": "deny",
+ "referrer-policy": "no-referrer"
+ }],
+
+ "ws-protocols": [
+
+ {"com-warmcat-sai": {
+ # template HTML to use for this vhost. You'd normally
+ # copy this to gitohashi-vhostname.html and modify it
+ # to show the content, logos, links, fonts, css etc for
+ # your vhost. It's not served directly but read from
+ # the filesystem. Although it's cached in memory by
+ # gitohashi, it checks for changes and reloads if
+ # changed automatically.
+ #
+ # Putting logos etc as svg in css is highly recommended,
+ # like fonts these can be transferred once with a loose
+ # caching policy. So in practice they cost very little,
+ # and allow the browser to compose the page without
+ # delay.
+ #
+ "html-file": "/usr/local/share/gitohashi/templates/gitohashi-example.html",
+ #
+ # vpath required at start of links into this vhost's
+ # gitohashi content for example if an external http
+ # server is proxying us, and has been told to direct
+ # URLs starting "/git" to us, this should be set to
+ # "/git/" so URLs we generate referring to our own pages
+ # can work.
+ #
+ "vpath": "/sai/",
+ #
+ # url mountpoint for the avatar cache
+ #
+ "avatar-url": "/sai/avatar/",
+ #
+ # libjsgit2 JSON cache... this
+ # should not be directly served
+ #
+ "cache-base": "/var/cache/libjsongit2",
+ #
+ # restrict the JSON cache size
+ # to 2GB
+ #
+ "cache-size": "2000000000",
+ #
+ # optional flags, b0 = 1 = blog mode
+ #
+ "flags": 0
+ #"blog-repo-name": "myrepo"
+ },
+ "avatar-proxy": {
+ "remote-base": "https://www.gravatar.com/avatar/",
+ #
+ # this dir is served via avatar-proxy
+ #
+ "cache-dir": "/var/cache/libjsongit2"
+ }}
+ ]
+ }
+ ]
+}
diff --git a/sai.json b/sai.json
new file mode 100644
index 0000000..7e4290e
--- /dev/null
+++ b/sai.json
@@ -0,0 +1,13 @@
+{
+ "tests": [
+ {
+ "maker": "linux-f29-x86_64",
+ "configs": [
+ { "CMAKE_OPTS": "" },
+ { "CMAKE_OPTS": "-DLWS_WITH_HTTP2=1" },
+ { "CMAKE_OPTS": "-DLWS_WITHOUT_SERVER=1" }
+ ]
+ }
+ ]
+}
+
diff --git a/scripts/gen-selfsigned-certs.sh b/scripts/gen-selfsigned-certs.sh
new file mode 100755
index 0000000..261826b
--- /dev/null
+++ b/scripts/gen-selfsigned-certs.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+DEST=/usr/local/share/sai
+if [ ! -z "$1" ] ; then
+ DEST=$1
+fi
+
+sudo openssl ecparam -name secp256r1 -genkey -out $DEST/sai-selfsigned-key.pem
+echo -e "\n\n\n\n\n\n" | \
+sudo openssl req -new -x509 \
+ -sha256 \
+ -subj "/CN=localhost" \
+ -days 10000 \
+ -key $DEST/sai-selfsigned-key.pem \
+ -out $DEST/sai-selfsigned-cert.pem
+echo
+
diff --git a/src/builder/conf.c b/src/builder/conf.c
new file mode 100644
index 0000000..deb8588
--- /dev/null
+++ b/src/builder/conf.c
@@ -0,0 +1,340 @@
+/*
+ * sai-builder conf.c
+ *
+ * Copyright (C) 2019 Andy Green <andy@warmcat.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation:
+ * version 2.1 of the License.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <libwebsockets.h>
+#include <string.h>
+#include <signal.h>
+#include <time.h>
+
+#include "private.h"
+
+static const char * const paths[] = {
+ "systemd-nspawn.path",
+ "systemd-nspawn.instances",
+ "systemd-nspawn.timeout",
+
+ "target[]",
+ "target[].name",
+ "target[].timeout",
+ "target[].consoles[]",
+ "target[].consoles[].name",
+ "target[].consoles[].path",
+ "target[].consoles[].baudrate",
+ "target[].consoles[].mode",
+
+ "masters[]",
+ "masters[].url",
+ "masters[].interface",
+ "masters[].selfsigned",
+ "masters[].priority", /* array of builder names */
+};
+
+enum enum_paths {
+ LEJPM_NSPAWN_PATH,
+ LEJPM_NSPAWN_INSTANCES,
+ LEJPM_NSPAWN_TIMEOUT,
+
+ LEJPM_TARGET,
+ LEJPM_TARGET_NAME,
+ LEJPM_TARGET_TIMEOUT,
+ LEJPM_TARGET_CONSOLES,
+ LEJPM_TARGET_CONSOLES_NAME,
+ LEJPM_TARGET_CONSOLES_PATH,
+ LEJPM_TARGET_CONSOLES_BAUDRATE,
+ LEJPM_TARGET_CONSOLES_MODE,
+
+ LEJPM_MASTERS,
+ LEJPM_MASTERS_URL,
+ LEJPM_MASTERS_INTERFACE,
+ LEJPM_MASTERS_SELFSIGNED,
+ LEJPM_MASTERS_PRIORITY,
+};
+
+struct jpargs {
+ struct sai_builder *builder;
+
+ struct sai_nspawn *nspawn;
+ struct sai_master *master;
+ struct sai_target *target;
+ struct sai_console *console;
+};
+
+#define SAI_BUILDER_CONF_CHUNK 512
+#define SAI_BUILDER_PATH_MAX 128
+
+static int
+sai_builder_scan_overlays_cb(const char *dirpath, void *user,
+ struct lws_dir_entry *lde)
+{
+ struct sai_nspawn *nspawn = (struct sai_nspawn *)user;
+ size_t s = strlen(lde->name);
+ struct sai_overlay *overlay;
+
+ if (lde->type != LDOT_DIR)
+ return 0;
+
+ if (strncmp(lde->name, "env-", 4))
+ return 0;
+
+ overlay = lwsac_use(&nspawn->builder->conf_head, sizeof(*overlay),
+ SAI_BUILDER_CONF_CHUNK);
+ if (!overlay)
+ return 1;
+
+ memset(overlay, 0, sizeof(*overlay));
+ overlay->name = lwsac_use(&nspawn->builder->conf_head, s + 1,
+ SAI_BUILDER_CONF_CHUNK);
+ if (!overlay->name)
+ return 1;
+ memcpy(overlay->name, lde->name, s + 1);
+
+ lws_dll_add_front(&overlay->overlay_list, &nspawn->overlay_head);
+
+ return 0;
+}
+
+static int
+sai_builder_scan_nspawn_cb(const char *dirpath, void *user,
+ struct lws_dir_entry *lde)
+{
+ struct sai_builder *builder = (struct sai_builder *)user;
+ size_t s = strlen(lde->name);
+ struct sai_nspawn *nspawn;
+ char path[256];
+
+ if (lde->type != LDOT_DIR)
+ return 0;
+
+ nspawn = lwsac_use(&builder->conf_head, sizeof(*nspawn),
+ SAI_BUILDER_CONF_CHUNK);
+ if (!nspawn)
+ return 1;
+
+ memset(nspawn, 0, sizeof(*nspawn));
+ nspawn->builder = builder;
+ nspawn->name = lwsac_use(&builder->conf_head, s + 1,
+ SAI_BUILDER_CONF_CHUNK);
+ if (!nspawn->name) {
+ free(nspawn);
+ return 1;
+ }
+ memcpy((void *)nspawn->name, lde->name, s + 1);
+
+ lws_dll_add_front(&nspawn->nspawn_list, &builder->nspawn_head);
+
+ lws_snprintf(path, sizeof(path) - 1, "%s/%s", dirpath, lde->name);
+
+ if (lws_dir(path, nspawn, sai_builder_scan_overlays_cb)) {
+ lwsl_err("%s: unable to scan nspawn dir %s\n", __func__,
+ builder->nspawn_path);
+ return 1;
+ }
+
+ return 0;
+}
+
+static signed char
+sai_builder_conf_cb(struct lejp_ctx *ctx, char reason)
+{
+ struct jpargs *a = (struct jpargs *)ctx->user;
+ const char **pp;
+ int n;
+
+#if 0
+ lwsl_notice(" %d: %s (%d)\n", reason, ctx->path, ctx->path_match);
+ for (n = 0; n < ctx->wildcount; n++)
+ lwsl_notice(" %d\n", ctx->wild[n]);
+#endif
+
+ if (reason == LEJPCB_OBJECT_START) {
+ switch (ctx->path_match - 1) {
+ case LEJPM_TARGET:
+ a->target = lwsac_use_zeroed(&a->builder->conf_head,
+ sizeof(*a->target),
+ SAI_BUILDER_CONF_CHUNK);
+ if (!a->target)
+ return 1;
+ lws_dll_add_front(&a->target->target_list,
+ &a->builder->target_head);
+ return 0;
+
+ case LEJPM_TARGET_CONSOLES:
+ a->console = lwsac_use_zeroed(&a->builder->conf_head,
+ sizeof(*a->console),
+ SAI_BUILDER_CONF_CHUNK);
+ if (!a->console)
+ return 1;
+ lws_dll_add_front(&a->console->console_list,
+ &a->target->console_head);
+ return 0;
+
+ case LEJPM_MASTERS:
+ a->master = lwsac_use_zeroed(&a->builder->conf_head,
+ sizeof(*a->master),
+ SAI_BUILDER_CONF_CHUNK);
+ if (!a->master)
+ return 1;
+ lws_dll_add_front(&a->master->master_list,
+ &a->builder->master_head);
+ return 0;
+
+ default:
+ return 0;
+ }
+ }
+
+ /* we only match on the prepared path strings */
+ if (!(reason & LEJP_FLAG_CB_IS_VALUE) || !ctx->path_match)
+ return 0;
+
+ if (reason == LEJPCB_VAL_NUM_INT) {
+ n = atoi(ctx->buf);
+ switch (ctx->path_match - 1) {
+ case LEJPM_NSPAWN_INSTANCES:
+ a->builder->nspawn_instances = n;
+ break;
+ case LEJPM_NSPAWN_TIMEOUT:
+ a->builder->nspawn_timeout = n;
+ break;
+ case LEJPM_TARGET_TIMEOUT:
+ a->target->timeout = n;
+ break;
+ case LEJPM_TARGET_CONSOLES_BAUDRATE:
+ a->console->baudrate = n;
+ break;
+ case LEJPM_MASTERS_SELFSIGNED:
+ a->master->accept_selfsigned = n;
+ break;
+ case LEJPM_MASTERS_PRIORITY:
+ a->master->priority = n;
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+ }
+
+ if (reason != LEJPCB_VAL_STR_END)
+ return 0;
+
+ /* only the end part of the string, where we know the length */
+
+ switch (ctx->path_match - 1) {
+ case LEJPM_NSPAWN_PATH:
+ pp = &a->builder->nspawn_path;
+ break;
+
+ case LEJPM_TARGET_NAME:
+ pp = &a->target->name;
+ break;
+
+ case LEJPM_TARGET_CONSOLES_NAME:
+ pp = &a->console->name;
+ break;
+
+ case LEJPM_TARGET_CONSOLES_PATH:
+ pp = &a->console->path;
+ break;
+
+ case LEJPM_TARGET_CONSOLES_MODE:
+ pp = &a->console->mode;
+ break;
+
+ case LEJPM_MASTERS_URL:
+ pp = &a->master->url;
+ break;
+
+ case LEJPM_MASTERS_INTERFACE:
+ pp = &a->master->interface;
+ break;
+
+ default:
+ return 0;
+ }
+
+ *pp = lwsac_use(&a->builder->conf_head, ctx->npos + 1,
+ SAI_BUILDER_CONF_CHUNK);
+ if (!*pp)
+ return 1;
+ memcpy((char *)(*pp), ctx->buf, ctx->npos);
+ ((char *)(*pp))[ctx->npos] = '\0';
+
+ return 0;
+}
+
+int
+sai_builder_config(struct sai_builder *builder, const char *d)
+{
+ unsigned char buf[128];
+ struct lejp_ctx ctx;
+ struct jpargs a;
+ int n, m, fd;
+
+ memset(&a, 0, sizeof(a));
+ a.builder = builder;
+
+ lws_snprintf((char *)buf, sizeof(buf) - 1, "%s/conf", d);
+
+ fd = lws_open((char *)buf, O_RDONLY);
+ if (fd < 0) {
+ lwsl_err("Cannot open %s\n", (char *)buf);
+ return 2;
+ }
+ lwsl_info("%s: %s\n", __func__, (char *)buf);
+ lejp_construct(&ctx, sai_builder_conf_cb, &a, paths, LWS_ARRAY_SIZE(paths));
+
+ do {
+ n = read(fd, buf, sizeof(buf));
+ if (!n)
+ break;
+
+ m = (int)(signed char)lejp_parse(&ctx, buf, n);
+ } while (m == LEJP_CONTINUE);
+
+ close(fd);
+ n = ctx.line;
+ lejp_destruct(&ctx);
+
+ if (m < 0) {
+ lwsl_err("%s/conf(%u): parsing error %d: %s\n", d, n, m,
+ lejp_error_to_string(m));
+ return 2;
+ }
+
+ /* scan the configured nspawn directory for what we support */
+
+ if (builder->nspawn_path &&
+ lws_dir(builder->nspawn_path, builder, sai_builder_scan_nspawn_cb)) {
+ lwsl_err("%s: unable to scan nspawn dir %s\n", __func__,
+ builder->nspawn_path);
+
+ return 1;
+ }
+
+ return 0;
+}
+
+void
+sai_builder_config_destroy(struct sai_builder *builder)
+{
+ lwsac_free(&builder->conf_head);
+}
diff --git a/src/builder/private.h b/src/builder/private.h
new file mode 100644
index 0000000..0bc1347
--- /dev/null
+++ b/src/builder/private.h
@@ -0,0 +1,99 @@
+/*
+ * Sai builder definitions src/builder/private.h
+ *
+ * Copyright (C) 2019 Andy Green <andy@warmcat.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation:
+ * version 2.1 of the License.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+struct sai_master;
+struct sai_builder;
+
+enum sai_lease_states {
+ SOS_IDLE,
+ SOS_RESERVED,
+ SOS_CONFIRMED
+};
+
+struct sai_lease {
+ struct sai_master *lessor;
+ enum sai_lease_states state;
+};
+
+struct sai_console {
+ struct lws_dll console_list;
+
+ const char *name;
+ const char *path;
+ const char *mode;
+ int baudrate;
+};
+
+struct sai_target {
+ struct lws_dll target_list;
+ struct lws_dll console_head;
+
+ const char *name;
+
+ struct sai_lease lease;
+
+ int timeout;
+};
+
+struct sai_master {
+ struct lws_dll master_list;
+
+ struct lws *cwsi;
+
+ const char *url;
+ const char *interface;
+ int priority;
+
+ unsigned int accept_selfsigned:1;
+};
+
+struct sai_overlay {
+ struct lws_dll overlay_list;
+
+ char *name;
+};
+
+struct sai_nspawn {
+ struct lws_dll nspawn_list;
+ struct lws_dll overlay_head;
+
+ struct sai_builder *builder;
+
+ const char *name;
+
+ struct sai_lease lease;
+};
+
+struct sai_builder {
+ struct lws_dll master_head;
+ struct lws_dll target_head;
+ struct lws_dll nspawn_head;
+
+ struct lwsac *conf_head;
+
+ const char *nspawn_path;
+ int nspawn_instances;
+ int nspawn_timeout;
+};
+
+extern const struct lws_protocols protocol_com_warmcat_sai;
+extern int sai_builder_config(struct sai_builder *builder, const char *d);
+extern void sai_builder_config_destroy(struct sai_builder *builder);
diff --git a/src/builder/protocol.c b/src/builder/protocol.c
new file mode 100644
index 0000000..736b35a
--- /dev/null
+++ b/src/builder/protocol.c
@@ -0,0 +1,344 @@
+/*
+ * sai-builder com-warmcat-sai client protocol implementation
+ *
+ * Copyright (C) 2019 Andy Green <andy@warmcat.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation:
+ * version 2.1 of the License.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <libwebsockets.h>
+#include <string.h>
+#include <signal.h>
+
+#include "private.h"
+
+typedef enum {
+ PHASE_IDLE,
+
+ PFL_FIRST = 128,
+
+ PHASE_START_ATTACH = PFL_FIRST | 1,
+ PHASE_SUMM_TARGETS = 2,
+ PHASE_SUMM_NSPAWNS = 3,
+ PHASE_SUMM_NSPAWNS_OVERLAYS = 4,
+
+} cursor_phase_t;
+
+struct pss {
+ struct sai_target *target;
+ struct sai_console *console;
+
+ struct sai_nspawn *nspawn;
+ struct sai_overlay *overlay;
+
+ cursor_phase_t phase;
+};
+
+struct vhd {
+ struct lws_context *context;
+ struct lws_vhost *vhost;
+
+ struct sai_builder builder;
+
+ int *interrupted;
+ const char **config_dir;
+};
+
+static int
+generate(struct vhd *vhd, struct pss *pss, char *buf, int len)
+{
+ struct sai_builder *b = &vhd->builder;
+ char *p = buf, *end = buf + len - 10;
+
+ while (pss->phase != PHASE_IDLE && lws_ptr_diff(end, p) > 100) {
+
+ switch (pss->phase) {
+ case PHASE_IDLE:
+ break;
+
+ case PHASE_START_ATTACH:
+ p += lws_snprintf(p, lws_ptr_diff(end, p),
+ "{\"schema\":\"com-warmcat-sai-ba\",\n"
+ " \"hostname\":\"%s\",\n"
+ " \"nspawn-timeout\":%d,\n"
+ " \"targets\": [",
+ lws_canonical_hostname(vhd->context),
+ b->nspawn_timeout);
+ pss->target = lws_container_of(b->target_head.next,
+ struct sai_target,
+ target_list);
+ pss->phase = PHASE_SUMM_TARGETS;
+ break;
+
+ case PHASE_SUMM_TARGETS:
+ if (pss->target) {
+ p += lws_snprintf(p, lws_ptr_diff(end, p),
+ "{\"name\":\"%s\"}",
+ pss->target->name);
+ if (pss->target->target_list.next)
+ *p++ = ',';
+ *p++ = '\n';
+ *p = '\0';
+
+ pss->target = lws_container_of(
+ pss->target->target_list.next,
+ struct sai_target, target_list);
+ }
+ if (!pss->target) {
+ p += lws_snprintf(p, lws_ptr_diff(end, p),
+ "],\n\"nspawns\": [");
+ pss->nspawn = lws_container_of(
+ b->nspawn_head.next,
+ struct sai_nspawn, nspawn_list);
+ pss->phase = PHASE_SUMM_NSPAWNS;
+ }
+ break;
+
+ case PHASE_SUMM_NSPAWNS:
+ if (pss->nspawn) {
+ *p++ = '{';
+ if (pss->nspawn->name)
+ p += lws_snprintf(p, lws_ptr_diff(end, p),
+ "\"name\":\"%s\",\n",
+ pss->nspawn->name);
+ p += lws_snprintf(p, lws_ptr_diff(end, p),
+ " \"overlays\": [");
+
+ pss->overlay = lws_container_of(
+ pss->nspawn->overlay_head.next,
+ struct sai_overlay, overlay_list);
+ if (pss->overlay) {
+ pss->phase = PHASE_SUMM_NSPAWNS_OVERLAYS;
+ break;
+ }
+next_nspawn:
+ *p++ = ']';
+ *p++ = '}';
+ if (pss->nspawn->nspawn_list.next)
+ *p++ = ',';
+ *p++ = '\n';
+ *p = '\0';
+ pss->nspawn = lws_container_of(
+ pss->nspawn->nspawn_list.next,
+ struct sai_nspawn, nspawn_list);
+ }
+ if (!pss->nspawn) {
+ p += lws_snprintf(p, lws_ptr_diff(end, p), "]\n");
+ p += lws_snprintf(p, lws_ptr_diff(end, p), "}\n");
+ pss->phase = PHASE_IDLE;
+ }
+ break;
+
+ case PHASE_SUMM_NSPAWNS_OVERLAYS:
+ if (pss->overlay) {
+ p += lws_snprintf(p, lws_ptr_diff(end, p),
+ "{\"name\":\"%s\"}\n",
+ pss->overlay->name);
+ pss->overlay = lws_container_of(
+ pss->overlay->overlay_list.next,
+ struct sai_overlay, overlay_list);
+ if (pss->overlay) {
+
+ }
+ }
+ if (!pss->overlay) {
+ pss->phase = PHASE_SUMM_NSPAWNS;
+ goto next_nspawn;
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ return lws_ptr_diff(p, buf);
+}
+
+static int
+connect_client(struct vhd *vhd, struct sai_master *master)
+{
+ struct lws_client_connect_info i;
+ const char *prot;
+ char url[128], host[64];
+
+ memset(&i, 0, sizeof(i));
+
+ strncpy(url, master->url, sizeof(url) - 1);
+ url[sizeof(url) - 1] = '\0';
+
+ if (lws_parse_uri(url, &prot, &i.address, &i.port, &i.path)) {
+ lwsl_err("%s: unable to parse url '%s'\n", __func__, url);
+
+ return 1;
+ }
+
+ lws_snprintf(host, sizeof(host), "%s:%u", i.address, i.port);
+
+ i.context = vhd->context;
+ i.host = host;
+ i.origin = host;
+
+ if (!strcmp(prot, "https") || !strcmp(prot, "wss"))
+ i.ssl_connection = LCCSCF_USE_SSL;
+ if (master->accept_selfsigned)
+ i.ssl_connection |= LCCSCF_ALLOW_SELFSIGNED;
+ i.vhost = vhd->vhost;
+ i.iface = master->interface;
+ i.pwsi = &master->cwsi;
+ i.opaque_user_data = (void *)master;
+
+ lwsl_user("connecting to %s://%s:%d/%s\n", prot, i.address, i.port, i.path);
+
+ return !lws_client_connect_via_info(&i);
+}
+
+static void
+schedule_callback(struct lws *wsi, int reason, int secs)
+{
+ lws_timed_callback_vh_protocol(lws_get_vhost(wsi),
+ lws_get_protocol(wsi), reason, secs);
+}
+
+static int
+callback_com_warmcat_sai(struct lws *wsi, enum lws_callback_reasons reason,
+ void *user, void *in, size_t len)
+{
+ struct pss *pss = (struct pss *)user;
+ struct vhd *vhd = (struct vhd *)
+ lws_protocol_vh_priv_get(lws_get_vhost(wsi),
+ lws_get_protocol(wsi));
+ struct sai_master *master =
+ (struct sai_master *)lws_get_opaque_user_data(wsi);
+ uint8_t buf[1024 + LWS_PRE], *start = buf + LWS_PRE,
+ *end = buf + sizeof(buf) -1;
+ int n, m, f;
+
+ switch (reason) {
+
+ case LWS_CALLBACK_PROTOCOL_INIT:
+ vhd = lws_protocol_vh_priv_zalloc(lws_get_vhost(wsi),
+ lws_get_protocol(wsi),
+ sizeof(struct vhd));
+ if (!vhd)
+ return -1;
+
+ vhd->context = lws_get_context(wsi);
+ vhd->vhost = lws_get_vhost(wsi);
+
+ /* get the pointer to "interrupted" we were passed in pvo */
+ vhd->interrupted = (int *)lws_pvo_search(
+ (const struct lws_protocol_vhost_options *)in,
+ "interrupted")->value;
+ vhd->config_dir = (const char **)lws_pvo_search(
+ (const struct lws_protocol_vhost_options *)in,
+ "configdir")->value;
+
+ if (sai_builder_config(&vhd->builder, *vhd->config_dir)) {
+ lwsl_err("%s: config failed\n", __func__);
+
+ return 1;
+ }
+
+ schedule_callback(wsi, LWS_CALLBACK_USER, 1);
+ break;
+
+ case LWS_CALLBACK_PROTOCOL_DESTROY:
+ sai_builder_config_destroy(&vhd->builder);
+ break;
+
+ case LWS_CALLBACK_CLIENT_ESTABLISHED:
+ pss->phase = PHASE_START_ATTACH;
+ lws_callback_on_writable(wsi);
+ break;
+
+ case LWS_CALLBACK_CLIENT_WRITEABLE:
+ lwsl_user("LWS_CALLBACK_CLIENT_WRITEABLE\n");
+
+ if (pss->phase == PHASE_IDLE)
+ break;
+
+ f = pss->phase & PFL_FIRST;
+ n = generate(vhd, pss, (char *)start, lws_ptr_diff(end, start));
+
+ m = lws_write(wsi, start, n,
+ lws_write_ws_flags(LWS_WRITE_TEXT, f,
+ pss->phase == PHASE_IDLE));
+ if (m < n) {
+ lwsl_err("ERROR %d writing to ws socket\n", m);
+ return -1;
+ }
+
+ if (pss->phase != PHASE_IDLE)
+ lws_callback_on_writable(wsi);
+ break;
+
+ case LWS_CALLBACK_CLIENT_RECEIVE:
+
+ break;
+
+ case LWS_CALLBACK_CLIENT_CONNECTION_ERROR:
+ lwsl_err("CLIENT_CONNECTION_ERROR: %s\n",
+ in ? (char *)in : "(null)");
+ master->cwsi = NULL;
+ schedule_callback(wsi, LWS_CALLBACK_USER, 1);
+ break;
+
+ case LWS_CALLBACK_CLIENT_CLOSED:
+ lwsl_user("LWS_CALLBACK_CLIENT_CLOSED\n");
+ master->cwsi = NULL;
+ schedule_callback(wsi, LWS_CALLBACK_USER, 1);
+ break;
+
+ /* rate-limited client connect retries */
+
+ case LWS_CALLBACK_USER:
+ /*
+ * let's retry any master connections that aren't either
+ * ongoing or happy
+ */
+
+ m = 0;
+ lws_start_foreach_dll(struct lws_dll *, mp,
+ vhd->builder.master_head.next) {
+ struct sai_master *ma = lws_container_of(mp,
+ struct sai_master, master_list);
+
+ if (!ma->cwsi && connect_client(vhd, ma))
+ m = 1;
+ } lws_end_foreach_dll(mp);
+
+ /*
+ * if somebody's already unhappy, schedule a retry. Otherwise
+ * wait until a connection close or error to do it then.
+ */
+ if (m)
+ schedule_callback(wsi, LWS_CALLBACK_USER, 1);
+ break;
+
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+const struct lws_protocols protocol_com_warmcat_sai = {
+ "com-warmcat-sai",
+ callback_com_warmcat_sai,
+ sizeof(struct pss),
+ 1024, 0, NULL, 0
+};
diff --git a/src/builder/sai-builder.c b/src/builder/sai-builder.c
new file mode 100644
index 0000000..1760330
--- /dev/null
+++ b/src/builder/sai-builder.c
@@ -0,0 +1,114 @@
+/*
+ * sai-builder
+ *
+ * Copyright (C) 2019 Andy Green <andy@warmcat.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation:
+ * version 2.1 of the License.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <libwebsockets.h>
+#include <string.h>
+#include <signal.h>
+
+#include "private.h"
+
+static struct lws_context *context;
+static const char *config_dir = "/etc/sai/builder";
+static int interrupted;
+
+static const struct lws_protocols *pprotocols[] = {
+ &protocol_com_warmcat_sai,
+ NULL
+};
+
+static const struct lws_protocol_vhost_options pvo_configdir = {
+ NULL,
+ NULL,
+ "configdir", /* pvo name */
+ (void *)&config_dir /* pvo value */
+};
+
+static const struct lws_protocol_vhost_options pvo_interrupted = {
+ &pvo_configdir,
+ NULL,
+ "interrupted", /* pvo name */
+ (void *)&interrupted /* pvo value */
+};
+
+static const struct lws_protocol_vhost_options pvo = {
+ NULL, /* "next" pvo linked-list */
+ &pvo_interrupted, /* "child" pvo linked-list */
+ "com-warmcat-sai", /* protocol name we belong to on this vhost */
+ "" /* ignored */
+};
+static const struct lws_extension extensions[] = {
+ {
+ "permessage-deflate",
+ lws_extension_callback_pm_deflate,
+ "permessage-deflate"
+ "; client_no_context_takeover"
+ "; client_max_window_bits"
+ },
+ { NULL, NULL, NULL /* terminator */ }
+};
+
+void sigint_handler(int sig)
+{
+ interrupted = 1;
+}
+
+int main(int argc, const char **argv)
+{
+ struct lws_context_creation_info info;
+ const char *p;
+ int logs = LLL_USER | LLL_ERR | LLL_WARN | LLL_NOTICE;
+
+ if ((p = lws_cmdline_option(argc, argv, "-d")))
+ logs = atoi(p);
+
+ lws_set_log_level(logs, NULL);
+ lwsl_user("Sai Builder - "
+ "Copyright (C) 2019 Andy Green <andy@warmcat.com>\n");
+ lwsl_user(" sai-builder [-c <config-file>]\n");
+
+ memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
+ info.port = CONTEXT_PORT_NO_LISTEN;
+ info.pprotocols = pprotocols;
+ info.pvo = &pvo;
+ if (!lws_cmdline_option(argc, argv, "-n"))
+ info.extensions = extensions;
+ info.pt_serv_buf_size = 32 * 1024;
+ info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT |
+ LWS_SERVER_OPTION_VALIDATE_UTF8;
+
+ if (lws_cmdline_option(argc, argv, "--libuv"))
+ info.options |= LWS_SERVER_OPTION_LIBUV;
+ else
+ signal(SIGINT, sigint_handler);
+
+ context = lws_create_context(&info);
+ if (!context) {
+ lwsl_err("lws init failed\n");
+ return 1;
+ }
+
+ while (!lws_service(context, 1000) && !interrupted)
+ ;
+
+ lws_context_destroy(context);
+
+ return 0;
+}
diff --git a/src/master/conf.c b/src/master/conf.c
new file mode 100644
index 0000000..6aacd4d
--- /dev/null
+++ b/src/master/conf.c
@@ -0,0 +1,82 @@
+/*
+ * Sai master src/master/conf.c
+ *
+ * Copyright (C) 2019 Andy Green <andy@warmcat.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation:
+ * version 2.1 of the License.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+#include <libwebsockets.h>
+#include <string.h>
+#include <signal.h>
+#include <time.h>
+
+#define SAI_CONFIG_STRING_SIZE (16 * 1024)
+
+struct lws_context *
+sai_lws_context_from_json(const char *config_dir,
+ const struct lws_protocols **pprotocols)
+{
+ int cs_len = SAI_CONFIG_STRING_SIZE - 1;
+ struct lws_context_creation_info info;
+ struct lws_context *context;
+ char *cs, *config_strings;
+
+ cs = config_strings = malloc(SAI_CONFIG_STRING_SIZE);
+ if (!config_strings) {
+ lwsl_err("Unable to allocate config strings heap\n");
+
+ return NULL;
+ }
+
+ memset(&info, 0, sizeof(info));
+
+ info.external_baggage_free_on_destroy = config_strings;
+ info.pt_serv_buf_size = 8192;
+ info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT |
+ LWS_SERVER_OPTION_EXPLICIT_VHOSTS |
+ LWS_SERVER_OPTION_HTTP_HEADERS_SECURITY_BEST_PRACTICES_ENFORCE |
+ LWS_SERVER_OPTION_VALIDATE_UTF8;
+
+ lwsl_notice("Using config dir: \"%s\"\n", config_dir);
+
+ /*
+ * first go through the config for creating the outer context
+ */
+ if (lwsws_get_config_globals(&info, config_dir, &cs, &cs_len))
+ goto init_failed;
+
+ context = lws_create_context(&info);
+ if (context == NULL) {
+ lwsl_err("lws init failed\n");
+ /* config_strings freed as 'external baggage' */
+ return NULL;
+ }
+
+ info.pprotocols = pprotocols;
+
+ if (lwsws_get_config_vhosts(context, &info, config_dir, &cs, &cs_len)) {
+ lws_context_destroy(context);
+
+ return NULL;
+ }
+
+ return context;
+
+init_failed:
+ free(config_strings);
+
+ return NULL;
+}
diff --git a/src/master/private.h b/src/master/private.h
new file mode 100644
index 0000000..7ee6749
--- /dev/null
+++ b/src/master/private.h
@@ -0,0 +1,98 @@
+/*
+ * Sai master definitions src/master/private.h
+ *
+ * Copyright (C) 2019 Andy Green <andy@warmcat.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation:
+ * version 2.1 of the License.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+struct sai_master;
+
+enum sai_lease_states {
+ SOS_IDLE,
+ SOS_RESERVED,
+ SOS_CONFIRMED,
+ SOS_OCCUPIED,
+ SOS_GOING_DOWN
+};
+
+typedef struct sai_console {
+ struct lws_dll console_list;
+
+ const char *name;
+ const char *path;
+ const char *mode;
+ int baudrate;
+} sai_console_t;
+
+typedef struct sai_target {
+ struct lws_dll target_list;
+ struct lws_dll console_head;
+
+ const char *name;
+
+ enum sai_lease_states state;
+} sai_target_t;
+
+typedef struct sai_nspawn {
+ struct lws_dll nspawn_list;
+
+ const char *name;
+
+ enum sai_lease_states state;
+} sai_nspawn_t;
+
+typedef struct sai_builder {
+ struct lws_dll builder_list;
+ struct lws_dll target_head;
+ struct lws_dll nspawn_head;
+
+ struct lws *wsi;
+
+ char *hostname;
+} sai_builder_t;
+
+typedef enum {
+ SJS_CLONING,
+ SJS_ASSIGNING,
+ SJS_WAITING,
+ SJS_DONE
+} sai_job_state_t;
+
+typedef struct sai_job {
+ struct lws_dll jobs_list;
+ char reponame[64];
+ char ref[64];
+ char head[64];
+
+ time_t requested;
+
+ sai_job_state_t state;
+
+} sai_job_t;
+
+typedef struct sai_master {
+ struct lws_dll builder_head;
+
+ struct lws_dll pending_jobs_head;
+ struct lws_dll ongoing_jobs_head;
+} sai_master_t;
+
+
+extern struct lws_context *
+sai_lws_context_from_json(const char *config_dir,
+ const struct lws_protocols **pprotocols);
+extern const struct lws_protocols protocol_ws;
diff --git a/src/master/sai-master.c b/src/master/sai-master.c
new file mode 100644
index 0000000..138703c
--- /dev/null
+++ b/src/master/sai-master.c
@@ -0,0 +1,68 @@
+/*
+ * Sai master
+ *
+ * Copyright (C) 2019 Andy Green <andy@warmcat.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation:
+ * version 2.1 of the License.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <libwebsockets.h>
+#include <string.h>
+#include <signal.h>
+#include <time.h>
+
+#include "private.h"
+
+static int interrupted;
+
+static const struct lws_protocols
+ *pprotocols[] = { &protocol_ws, NULL };
+
+static void sigint_handler(int sig)
+{
+ interrupted = 1;
+}
+
+int main(int argc, const char **argv)
+{
+ int n = 0, logs = LLL_USER | LLL_ERR | LLL_WARN | LLL_NOTICE;
+ struct lws_context *context;
+ const char *p, *conf = "/etc/sai/master";
+
+ signal(SIGINT, sigint_handler);
+
+ if ((p = lws_cmdline_option(argc, argv, "-d")))
+ logs = atoi(p);
+
+ lws_set_log_level(logs, NULL);
+ lwsl_user("Sai Master - Copyright (C) 2019 Andy Green <andy@warmcat.com>\n");
+
+ if ((p = lws_cmdline_option(argc, argv, "-c")))
+ conf = p;
+
+ context = sai_lws_context_from_json(conf, pprotocols);
+ if (!context) {
+ lwsl_err("lws init failed\n");
+ return 1;
+ }
+
+ while (n >= 0 && !interrupted)
+ n = lws_service(context, 1000);
+
+ lws_context_destroy(context);
+
+ return 0;
+}
diff --git a/src/master/ws.c b/src/master/ws.c
new file mode 100644
index 0000000..19aec34
--- /dev/null
+++ b/src/master/ws.c
@@ -0,0 +1,317 @@
+/*
+ * Sai master
+ *
+ * Copyright (C) 2019 Andy Green <andy@warmcat.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation:
+ * version 2.1 of the License.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ *
+ * The same ws interface is connected-to by builders (on path /builder), and
+ * provides the query transport for browsers (on path /browse).
+ */
+
+#include <libwebsockets.h>
+#include <string.h>
+#include <signal.h>
+#include <time.h>
+
+#include <git2.h>
+
+#include "private.h"
+
+typedef enum {
+ SWT_BUILDER,
+ SWT_BROWSE
+} ws_type;
+
+struct pss {
+ ws_type type;
+};
+
+struct vhd {
+ struct lws_context *context;
+ struct lws_vhost *vhost;
+
+ struct sai_master master;
+};
+
+/*
+ * {"schema":"com-warmcat-sai-builder-attach",
+ "hostname":"learn", "targets": [{"name":"optee-hikey-arm64"}
+],
+{"nspawns": []}
+ */
+
+
+static const char * const paths[] = {
+ "schema",
+ "hostname",
+ "nspawn-timeout",
+
+ "targets[]",
+ "targets[].name",
+
+ "nspawns[]",
+ "nspawns[].name",
+ "nspawns[].overlays[]",
+ "nspawns[].overlays[].name",
+};
+
+enum enum_paths {
+ SBAJP_SCHEMA,
+ SBAJP_HOSTNAME,
+ SBAJP_NSPAWN_TIMEOUT,
+
+ SBAJP_TARGETS,
+ SBAJP_TARGETS_NAME,
+
+ SBAJP_NSPAWNS,
+ SBAJP_NSPAWNS_NAME,
+ SBAJP_NSPAWNS_OVERLAYS,
+ SBAJP_NSPAWNS_OVERLAYS_NAME,
+};
+
+static int
+sai_master_nspawn_destroy(struct lws_dll *d)
+{
+ sai_nspawn_t *n = lws_container_of(d, sai_nspawn_t, nspawn_list);
+
+ lws_dll_remove(&n->nspawn_list);
+ free(n);
+
+ return 0;
+}
+
+static int
+sai_master_console_destroy(struct lws_dll *d)
+{
+ sai_console_t *c = lws_container_of(d, sai_console_t, console_list);
+
+ lws_dll_remove(&c->console_list);
+ free(c);
+
+ return 0;
+}
+
+static int
+sai_master_target_destroy(struct lws_dll *d)
+{
+ sai_target_t *t = lws_container_of(d, sai_target_t, target_list);
+
+ lws_dll_foreach_safe(&t->console_head, sai_master_console_destroy);
+
+ free(t);
+
+ return 0;
+}
+
+static int
+sai_master_builder_destroy(struct lws_dll *d)
+{
+ sai_builder_t *b = lws_container_of(d, sai_builder_t, builder_list);
+
+ lws_dll_foreach_safe(&b->nspawn_head, sai_master_nspawn_destroy);
+ lws_dll_foreach_safe(&b->target_head, sai_master_target_destroy);
+
+ if (b->hostname)
+ free(b->hostname);
+
+ free(b);
+
+ return 0;
+}
+
+static int
+sai_destroy_job(struct lws_dll *d)
+{
+ sai_job_t *job = lws_container_of(d, sai_job_t, jobs_list);
+
+ lws_dll_remove(d);
+ free(job);
+
+ return 0;
+}
+
+static void
+sai_master_master_destroy(struct sai_master *master)
+{
+ lws_dll_foreach_safe(&master->builder_head, sai_master_builder_destroy);
+
+ lws_dll_foreach_safe(&master->pending_jobs_head, sai_destroy_job);
+ lws_dll_foreach_safe(&master->ongoing_jobs_head, sai_destroy_job);
+}
+
+static int
+callback_ws(struct lws *wsi, enum lws_callback_reasons reason, void *user,
+ void *in, size_t len)
+{
+ struct vhd *vhd = (struct vhd *)lws_protocol_vh_priv_get(
+ lws_get_vhost(wsi), lws_get_protocol(wsi));
+ uint8_t buf[LWS_PRE + 2048], *start = &buf[LWS_PRE], *p = start,
+ *end = &buf[sizeof(buf) - LWS_PRE - 1];
+ struct pss *pss = (struct pss *)user;
+ struct sai_job *job;
+ const char *ccp;
+ int n;
+
+ (void)end;
+ (void)p;
+ (void)paths;
+
+ switch (reason) {
+ case LWS_CALLBACK_PROTOCOL_INIT:
+ vhd = lws_protocol_vh_priv_zalloc(lws_get_vhost(wsi),
+ lws_get_protocol(wsi),
+ sizeof(struct vhd));
+ if (!vhd)
+ return -1;
+
+ vhd->context = lws_get_context(wsi);
+ vhd->vhost = lws_get_vhost(wsi);
+ break;
+
+ case LWS_CALLBACK_PROTOCOL_DESTROY:
+ sai_master_master_destroy(&vhd->master);
+ break;
+
+ case LWS_CALLBACK_HTTP:
+
+ n = HTTP_STATUS_FORBIDDEN;
+
+ if (strcmp((const char *)in, "/sai/update-hook")) {
+ lwsl_notice("%s: unknown path %s\n", __func__,
+ (const char *)in);
+ goto http_resp;
+ }
+
+ job = malloc(sizeof(*job));
+ if (!job) {
+ lwsl_err("%s: OOM\n", __func__);
+
+ return 1;
+ }
+
+ ccp = lws_get_urlarg_by_name(wsi, "rn=", (char *)start,
+ sizeof(job->reponame));
+ if (!ccp || !*ccp) {
+ lwsl_notice("%s: missing rn=\n", __func__);
+ free(job);
+ goto http_resp;
+ }
+ lws_strncpy(job->reponame, ccp, sizeof(job->reponame));
+ ccp = lws_get_urlarg_by_name(wsi, "ref=", (char *)start + 128,
+ sizeof(job->ref));
+ if (!ccp || !*ccp) {
+ lwsl_notice("%s: missing ref=\n", __func__);
+ free(job);
+ goto http_resp;
+ }
+ lws_strncpy(job->ref, ccp, sizeof(job->ref));
+ ccp = lws_get_urlarg_by_name(wsi, "head=", (char *)start + 256,
+ sizeof(job->head));
+ if (!ccp || !*ccp) {
+ lwsl_notice("%s: missing ref=\n", __func__);
+ free(job);
+ goto http_resp;
+ }
+ lws_strncpy(job->head, ccp, sizeof(job->head));
+
+ job->requested = time(NULL);
+
+ ccp = strrchr(job->ref + strlen(job->ref) - 1, '/');
+ if (ccp)
+ ccp++;
+
+ lwsl_user("%s: added job: %s %s %s\n", __func__, job->reponame,
+ ccp, job->head);
+
+ {
+ git_clone_options opts;
+ git_repository *repo;
+ const char *url = "https://libwebsockets.org/repo/libwebsockets";
+
+ git_clone_init_options(&opts, GIT_CLONE_OPTIONS_VERSION);
+ opts.checkout_branch = ccp;
+
+ if (git_clone(&repo, url, "/tmp", &opts)) {
+ lwsl_err("%s: unable to clone\n", __func__);
+ free(job);
+ goto http_resp;
+ }
+
+ lwsl_user("%s: clone OK\n", __func__);
+ }
+
+ lws_dll_add_front(&job->jobs_list, &vhd->master.pending_jobs_head);
+ n = HTTP_STATUS_OK;
+
+ /* faillthru */
+
+http_resp:
+ if (lws_add_http_header_status(wsi, n, &p, end))
+ goto bail;
+ if (lws_add_http_header_content_length(wsi, 0, &p, end))
+ goto bail;
+ if (lws_finalize_write_http_header(wsi, start, &p, end))
+ goto bail;
+ goto try_to_reuse;
+
+ case LWS_CALLBACK_ESTABLISHED:
+
+ if (lws_hdr_total_length(wsi, WSI_TOKEN_GET_URI)) {
+ if (lws_hdr_copy(wsi, (char *)start, 64, WSI_TOKEN_GET_URI) < 0)
+ return -1;
+ } else
+ if (lws_hdr_copy(wsi, (char *)start, 64, WSI_TOKEN_HTTP_COLON_PATH) < 0)
+ return -1;
+
+ if (!strcmp((char *)start, "/browse")) {
+ n = SWT_BUILDER;
+ } else {
+ if (!strcmp((char *)start, "builder")) {
+ n = SWT_BROWSE;
+ } else {
+ lwsl_err("%s: unknown URL\n", __func__);
+
+ return -1;
+ }
+ }
+
+ pss->type = n;
+ break;
+
+ case LWS_CALLBACK_RECEIVE:
+ lwsl_user("RECEIVE: %d\n", (int)len);
+ lwsl_user("%.*s\n", (int)len, (const char *)in);
+ break;
+
+ default:
+ break;
+ }
+
+ return lws_callback_http_dummy(wsi, reason, user, in, len);
+
+bail:
+ return 1;
+
+try_to_reuse:
+ if (lws_http_transaction_completed(wsi))
+ return -1;
+
+ return 0;
+}
+
+const struct lws_protocols protocol_ws =
+ { "com-warmcat-sai", callback_ws, sizeof(struct pss), 0 };
Log
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Blame![[]](/git/avatar/c50933ca2aa61e0fe2c43d46bb6b59cb_avatar){kind=avatar}
Andy Green <andy@warmcat.com> 2019-03-10 06:07 UTC
Raw Patch