--- /dev/null
+/*
+ * An Ode to My Suckage in Javascript...
+ *
+ * It'd be nice if someone wrote a relatively simple readline-like + output
+ * javascript package (ie. not a full VT100 terminal emulator like termlib).
+ */
+
+
+/*
+ * custom console error type
+ */
+
+function MrpConsoleError(message) {
+ this.name = "Murphy Console Error";
+ this.message = message;
+}
+
+
+/** Create a Murphy console, put it after next_elem_id. */
+function MrpConsole(next_elem_id, user_commands) {
+ var sck, input, output, div, next_elem;
+
+ this.reset();
+ this.commands = user_commands;
+
+ /* create output text area */
+ output = document.createElement("textarea");
+ output.console = this;
+ this.output = output;
+
+ output.setAttribute("class" , "console_output");
+ output.setAttribute("cols" , 80);
+ output.setAttribute("rows" , 25);
+ output.setAttribute("readonly" , true);
+ output.setAttribute("disabled" , true);
+ output.setAttribute("spellcheck", false);
+ output.nline = 0;
+ output.onfocus = function () { return false; }
+
+ /* create input text area, hook up input handler */
+ input = document.createElement("textarea");
+ input.console = this;
+ this.input = input;
+
+ input.setAttribute("class" , "console_input");
+ input.setAttribute("cols" , 81);
+ input.setAttribute("rows" , 1);
+ input.setAttribute("spellcheck", false);
+ input.setAttribute("autofocus" , "autofocus");
+
+ input.onkeyup = this.onkeyup;
+ input.onkeypress = this.onkeypress;
+
+ next_elem = document.getElementById(next_elem_id);
+
+ if (!next_elem)
+ throw new MrpConsoleError("element " + next_elem_id + " not found");
+
+ div = document.createElement("div");
+ div.appendChild(output);
+ div.appendChild(input);
+
+ /* insert console div to document */
+ document.body.insertBefore(div, next_elem);
+
+ this.setInput("");
+}
+
+
+/** Reset/initialize internal state to the disconnected defaults. */
+MrpConsole.prototype.reset = function () {
+ this.connected = false;
+ this.server = null;
+ this.sck = null;
+
+ this.history = new Array ();
+ this.histidx = 0;
+ if (!this.input)
+ this.prompt = "disconnected";
+ else
+ this.setPrompt("disconnected");
+}
+
+
+/** Resize the console. */
+MrpConsole.prototype.resize = function (width, height) {
+ if (width && width > 0) {
+ this.output.cols = width;
+ this.input.cols = width;
+ }
+ if (height && height > 0)
+ this.output.rows = height;
+}
+
+
+/** Get the focus to the console. */
+MrpConsole.prototype.focus = function () {
+ if (this.input)
+ this.input.focus();
+}
+
+
+/** Write output to the console, replacing its current contents. */
+MrpConsole.prototype.write = function (text, noscroll) {
+ var out = this.output;
+
+ out.value = text;
+ out.nline = text.split("\n").length;
+
+ if (!noscroll)
+ this.scrollBottom();
+}
+
+
+/** Append output to the console. */
+MrpConsole.prototype.append = function (text, noscroll) {
+ var out = this.output;
+
+ out.value += text;
+ out.nline += text.split("\n").length;
+
+ if (!noscroll)
+ this.scrollBottom();
+}
+
+
+/** Set the content of the input field to 'prompt> text'. */
+MrpConsole.prototype.setInput = function (text) {
+ this.input.value = this.prompt + "> " + text;
+}
+
+
+/** Get the current input value (without the prompt). */
+MrpConsole.prototype.getInput = function () {
+ if (this.input)
+ return this.input.value.slice(this.prompt.length + 2).split("\n")[0];
+ else
+ return "";
+}
+
+
+/** Set the input prompt to the given value. */
+MrpConsole.prototype.setPrompt = function (prompt) {
+ var value = this.getInput();
+
+ if (!this.input)
+ this.prompt = prompt;
+ else {
+ this.prompt = prompt;
+ this.input.value = this.prompt + "> " + value;
+ }
+}
+
+
+/** Scroll the output window up or down the given amount of lines. */
+MrpConsole.prototype.scroll = function (amount) {
+ var out = this.output;
+ var pxl = (out.nline ? (out.scrollHeight / out.nline) : 0);
+ var top = out.scrollTop + (amount * pxl);
+
+ if (top < 0)
+ top = 0;
+ if (top > out.scrollHeight)
+ top = out.scrollHeight;
+
+ out.scrollTop = top;
+}
+
+
+/** Scroll the output window up or down by a 'page'. */
+MrpConsole.prototype.scrollPage = function (dir) {
+ var out = this.output;
+ var nline = 2 * 25 / 3;
+
+ if (dir < 0)
+ dir = -1;
+ else
+ dir = +1;
+
+ this.scroll(dir * nline);
+}
+
+
+/** Scroll to the bottom. */
+MrpConsole.prototype.scrollBottom = function () {
+ this.output.scrollTop = this.output.scrollHeight;
+}
+
+
+/** Add a new entry to the history. */
+MrpConsole.prototype.historyAppend = function (entry) {
+ if (entry.length > 0) {
+ this.history.push(entry);
+ this.histidx = this.history.length;
+
+ this.setInput("");
+ }
+}
+
+
+/** Go to the previous history entry. */
+MrpConsole.prototype.historyShow = function (dir) {
+ var idx = this.histidx + dir;
+
+ if (0 <= idx && idx < this.history.length) {
+ if (this.histidx == this.history.length &&
+ this.input.value.length > 0) {
+ /* Hmm... autoinsert to history, not the Right Thing To Do... */
+ this.historyAppend(this.getInput());
+ }
+
+ this.histidx = idx;
+ this.setInput(this.history[this.histidx]);
+ }
+ else if (idx >= this.history.length) {
+ this.histidx = this.history.length;
+ this.setInput("");
+ }
+}
+
+
+/** Make sure the input position never enters the prompt. */
+MrpConsole.prototype.checkInputPosition = function () {
+ var pos = this.input.selectionStart;
+
+ if (pos <= this.prompt.length + 2) {
+ this.input.selectionStart = this.prompt.length + 2;
+ this.input.selectionEnd = this.prompt.length + 2;
+ return false;
+ }
+ else
+ return true;
+}
+
+
+/** Key up handler. */
+MrpConsole.prototype.onkeyup = function (e) {
+ var c = this.console;
+ var l;
+
+ /*console.log("got key " + e.which);*/
+
+ switch (e.keyCode) {
+ case e.DOM_VK_RETURN:
+ if (c.input.value.length > c.prompt.length + 2) {
+ l = c.getInput();
+ c.historyAppend(l);
+ c.processCmd(l);
+ c.setInput("");
+ }
+ break;
+ case e.DOM_VK_PAGE_UP:
+ if (e.shiftKey)
+ c.scrollPage(-1);
+ break;
+ case e.DOM_VK_PAGE_DOWN:
+ if (e.shiftKey)
+ c.scrollPage(+1);
+ break;
+
+ case e.DOM_VK_UP:
+ if (!e.shiftKey)
+ c.historyShow(-1);
+ else
+ c.scroll(-1);
+ break;
+ case e.DOM_VK_DOWN:
+ if (!e.shiftKey)
+ c.historyShow(+1);
+ else
+ c.scroll(+1);
+ break;
+ case e.DOM_VK_LEFT:
+ case e.DOM_VK_BACK_SPACE:
+ if (!c.checkInputPosition())
+ return false;
+ break;
+ }
+
+ return true;
+}
+
+
+/** Key-press handler. */
+MrpConsole.prototype.onkeypress = function (e) {
+ var c = this.console;
+ var l;
+
+ switch (e.which) {
+ case e.DOM_VK_LEFT:
+ case e.DOM_VK_BACK_SPACE:
+ if (!c.checkInputPosition())
+ return false;
+ }
+
+ return true;
+}
+
+
+/** Connect to the Murphy daemon running at the given address. */
+MrpConsole.prototype.connect = function (address) {
+ var c = this.console;
+
+ if (this.connected)
+ throw new MrpConsoleError("already connected to " + this.address);
+ else {
+ this.server = address;
+ this.connected = false;
+
+ this.setPrompt("connecting");
+
+ if (typeof MozWebSocket != "undefined")
+ sck = new MozWebSocket(this.server, "murphy");
+ else
+ sck = new WebSocket(this.server, "murphy");
+
+ this.sck = sck;
+ sck.console = this;
+ sck.onopen = this.sckconnect;
+ sck.onclose = this.sckclosed;
+ sck.onerror = this.sckerror;
+ sck.onmessage = this.sckmessage;
+ }
+}
+
+
+/** Close the console connection. */
+MrpConsole.prototype.disconnect = function () {
+ if (this.connected) {
+ this.sck.close();
+ }
+}
+
+
+/** Connection established event handler. */
+MrpConsole.prototype.sckconnect = function () {
+ var c = this.console;
+
+ c.connected = true;
+ c.setPrompt("connected");
+
+ if (c.onconnected)
+ c.onconnected();
+}
+
+
+/** Connection shutdown event handler. */
+MrpConsole.prototype.sckclosed = function () {
+ var c = this.console;
+
+ console.log("socket closed");
+
+ c.reset();
+
+ if (c.onclosed)
+ c.onclosed();
+}
+
+
+/** Socket error event handler. */
+MrpConsole.prototype.sckerror = function (e) {
+ var c = this.console;
+
+ c.reset();
+
+ if (c.onerror)
+ c.onerror();
+
+ if (c.onclosed)
+ c.onclosed();
+}
+
+
+/** Socket message event handler. */
+MrpConsole.prototype.sckmessage = function (message) {
+ var c = this.console;
+ var msg = JSON.parse(message.data);
+
+ if (msg.prompt)
+ c.setPrompt(msg.prompt);
+ else {
+ if (msg.output) {
+ c.append(msg.output);
+ }
+ }
+}
+
+
+/** Send a request to the server. */
+MrpConsole.prototype.send_request = function (req) {
+ var sck = this.sck;
+
+ sck.send(JSON.stringify(req));
+}
+
+
+/** Process a command entered by the user. */
+MrpConsole.prototype.processCmd = function (cmd) {
+ var c, l, cb, args;
+
+ for (c in this.commands) {
+ l = c.length;
+ cb = this.commands[c];
+ if (cmd.substring(0, l) == c && (cmd.length == l ||
+ cmd.substring(l, l + 1) == ' ')) {
+ args = cmd.split(' ').splice(1);
+
+ this.commands[c](args);
+
+ return;
+ }
+ }
+
+ this.append(this.prompt + "> " + cmd + "\n");
+ this.send_request({ input: cmd });
+
+ if (cmd == 'help') {
+ if (this.commands && Object.keys(this.commands).length > 0) {
+ this.append("Web console commands:\n");
+ for (c in this.commands) {
+ this.append(" " + c + "\n");
+ }
+ }
+ else
+ this.append("No Web console commands.");
+ }
+}
+
+
+/** Determine a WebSocket URI based on an HTTP URI. */
+MrpConsole.prototype.socketUri = function (http_uri) {
+ var proto, colon, rest;
+
+ colon = http_uri.indexOf(':'); /* get first colon */
+ proto = http_uri.substring(0, colon); /* get protocol */
+ rest = http_uri.substring(colon + 3); /* get URI sans protocol:// */
+ addr = rest.split("/")[0]; /* strip URI path from address */
+
+ switch (proto) {
+ case "http": return "ws://" + addr;
+ case "https": return "wss://" + addr;
+ default: return null;
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2012, Intel Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Intel Corporation nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <netdb.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <murphy/common.h>
+#include <murphy/core.h>
+
+#include "config.h"
+
+#ifdef WEBSOCKETS_ENABLED
+# include <murphy/common/wsck-transport.h>
+# include <murphy/common/json.h>
+#endif
+
+#include <murphy/plugins/console-protocol.h>
+
+#define DEFAULT_ADDRESS "unxs:@murphy-console" /* default console address */
+#define DEFAULT_HTTPDIR "/etc/murphy/html" /* default content dir */
+
+
+/*
+ * an active console instance
+ */
+
+typedef struct {
+ mrp_console_t *mc; /* associated murphy console */
+ mrp_transport_t *t; /* associated transport */
+ mrp_sockaddr_t addr; /* for temp. datagram 'connection' */
+ socklen_t alen; /* address length if any */
+ int id; /* console ID for log redirection */
+} console_t;
+
+
+/*
+ * console plugin data
+ */
+
+typedef struct {
+ const char *address; /* console address */
+ mrp_transport_t *t; /* transport we're listening on */
+ int sock; /* main socket for new connections */
+ mrp_io_watch_t *iow; /* main socket I/O watch */
+ mrp_context_t *ctx; /* murphy context */
+ mrp_list_hook_t clients; /* active console clients */
+ mrp_sockaddr_t addr; /* resolved transport address */
+ socklen_t alen; /* address length */
+ console_t *c; /* datagram console being served */
+ const char *httpdir; /* WRT console agent directory */
+} data_t;
+
+
+
+static int next_id = 1;
+
+static ssize_t write_req(mrp_console_t *mc, void *buf, size_t size)
+{
+ console_t *c = (console_t *)mc->backend_data;
+ mrp_msg_t *msg;
+ uint16_t tag, type;
+ uint32_t len;
+
+ tag = MRP_CONSOLE_OUTPUT;
+ type = MRP_MSG_FIELD_BLOB;
+ len = size;
+ msg = mrp_msg_create(tag, type, len, buf, NULL);
+
+ if (msg != NULL) {
+ mrp_transport_send(c->t, msg);
+ mrp_msg_unref(msg);
+
+ return size;
+ }
+ else
+ return -1;
+}
+
+
+static void logger(void *data, mrp_log_level_t level, const char *file,
+ int line, const char *func, const char *format, va_list ap)
+{
+ console_t *c = (console_t *)data;
+ va_list cp;
+ const char *prefix;
+
+ MRP_UNUSED(file);
+ MRP_UNUSED(line);
+ MRP_UNUSED(func);
+
+ switch (level) {
+ case MRP_LOG_ERROR: prefix = "[log] E: "; break;
+ case MRP_LOG_WARNING: prefix = "[log] W: "; break;
+ case MRP_LOG_INFO: prefix = "[log] I: "; break;
+ case MRP_LOG_DEBUG: prefix = "[log] D: "; break;
+ default: prefix = "[log] ?: ";
+ }
+
+ va_copy(cp, ap);
+ mrp_console_printf(c->mc, "%s", prefix);
+ mrp_console_vprintf(c->mc, format, cp);
+ mrp_console_printf(c->mc, "\n");
+ va_end(cp);
+}
+
+
+static void register_logger(console_t *c)
+{
+ char name[32];
+
+ if (!c->id)
+ return;
+
+ snprintf(name, sizeof(name), "console/%d", c->id);
+ mrp_log_register_target(name, logger, c);
+}
+
+
+static void unregister_logger(console_t *c)
+{
+ char name[32];
+
+ if (!c->id)
+ return;
+
+ snprintf(name, sizeof(name), "console/%d", c->id);
+ mrp_log_unregister_target(name);
+}
+
+
+static void set_prompt_req(mrp_console_t *mc, const char *prompt)
+{
+ console_t *c = (console_t *)mc->backend_data;
+ mrp_msg_t *msg;
+ uint16_t tag, type;
+
+ tag = MRP_CONSOLE_PROMPT;
+ type = MRP_MSG_FIELD_STRING;
+ msg = mrp_msg_create(tag, type, prompt, NULL);
+
+ if (msg != NULL) {
+ mrp_transport_send(c->t, msg);
+ mrp_msg_unref(msg);
+ }
+}
+
+
+static void free_req(void *backend_data)
+{
+ mrp_free(backend_data);
+}
+
+
+static void recv_cb(mrp_transport_t *t, mrp_msg_t *msg, void *user_data)
+{
+ console_t *c = (console_t *)user_data;
+ mrp_msg_field_t *f;
+ char *input;
+ size_t size;
+
+ MRP_UNUSED(t);
+
+ if ((f = mrp_msg_find(msg, MRP_CONSOLE_INPUT)) != NULL) {
+ if (f->type == MRP_MSG_FIELD_BLOB) {
+ input = f->str;
+ size = f->size[0];
+
+ if (size > 0) {
+ MRP_CONSOLE_BUSY(c->mc, {
+ c->mc->evt.input(c->mc, input, size);
+ });
+
+ c->mc->check_destroy(c->mc);
+ }
+
+ return;
+ }
+ }
+
+ mrp_log_warning("Ignoring malformed message from console/%d...", c->id);
+}
+
+
+static void recvfrom_cb(mrp_transport_t *t, mrp_msg_t *msg,
+ mrp_sockaddr_t *addr, socklen_t alen, void *user_data)
+{
+ console_t *c = (console_t *)user_data;
+ mrp_sockaddr_t obuf;
+ socklen_t olen;
+ mrp_msg_field_t *f;
+ char *input;
+ size_t size;
+
+ MRP_UNUSED(t);
+
+ if ((f = mrp_msg_find(msg, MRP_CONSOLE_INPUT)) != NULL) {
+ if (f->type == MRP_MSG_FIELD_BLOB) {
+ input = f->str;
+ size = f->size[0];
+
+ if (size > 0) {
+ mrp_sockaddr_cpy(&obuf, &c->addr, olen = c->alen);
+ mrp_sockaddr_cpy(&c->addr, addr, c->alen = alen);
+ mrp_transport_connect(t, addr, alen);
+
+ MRP_CONSOLE_BUSY(c->mc, {
+ c->mc->evt.input(c->mc, input, size);
+ });
+
+ c->mc->check_destroy(c->mc);
+
+
+ mrp_transport_disconnect(t);
+
+ if (olen) {
+ mrp_transport_connect(t, &obuf, olen);
+ mrp_sockaddr_cpy(&c->addr, &obuf, c->alen = olen);
+ }
+
+ return;
+ }
+ }
+ }
+
+ mrp_log_warning("Ignoring malformed message from console/%d...", c->id);
+}
+
+
+/*
+ * generic stream transport
+ */
+
+#define stream_write_req write_req
+#define stream_set_prompt_req set_prompt_req
+#define stream_free_req free_req
+#define stream_recv_cb recv_cb
+
+static void stream_close_req(mrp_console_t *mc)
+{
+ console_t *c = (console_t *)mc->backend_data;
+
+ if (c->t != NULL) {
+ mrp_transport_disconnect(c->t);
+ mrp_transport_destroy(c->t);
+ unregister_logger(c);
+
+ c->t = NULL;
+ }
+}
+
+
+static void stream_connection_cb(mrp_transport_t *lt, void *user_data)
+{
+ static mrp_console_req_t req;
+
+ data_t *data = (data_t *)user_data;
+ console_t *c;
+ int flags;
+
+ if ((c = mrp_allocz(sizeof(*c))) != NULL) {
+ flags = MRP_TRANSPORT_REUSEADDR | MRP_TRANSPORT_NONBLOCK;
+ c->t = mrp_transport_accept(lt, c, flags);
+
+ if (c->t != NULL) {
+ req.write = stream_write_req;
+ req.close = stream_close_req;
+ req.free = stream_free_req;
+ req.set_prompt = stream_set_prompt_req;
+
+ c->mc = mrp_create_console(data->ctx, &req, c);
+
+ if (c->mc != NULL) {
+ c->id = next_id++;
+ register_logger(c);
+
+ return;
+ }
+ else {
+ mrp_transport_destroy(c->t);
+ c->t = NULL;
+ }
+ }
+ }
+}
+
+
+static void stream_closed_cb(mrp_transport_t *t, int error, void *user_data)
+{
+ console_t *c = (console_t *)user_data;
+
+ if (error)
+ mrp_log_error("Connection to console/%d closed with error %d (%s).",
+ c->id, error, strerror(error));
+ else {
+ mrp_log_info("console/%d has closed the connection.", c->id);
+
+ mrp_transport_disconnect(t);
+ mrp_transport_destroy(t);
+ unregister_logger(c);
+ c->t = NULL;
+ }
+}
+
+
+static int stream_setup(data_t *data)
+{
+ static mrp_transport_evt_t evt;
+
+ mrp_mainloop_t *ml = data->ctx->ml;
+ mrp_transport_t *t;
+ const char *type;
+ mrp_sockaddr_t addr;
+ socklen_t alen;
+ int flags;
+
+ t = NULL;
+ alen = sizeof(addr);
+ alen = mrp_transport_resolve(NULL, data->address, &addr, alen, &type);
+
+ if (alen <= 0) {
+ mrp_log_error("Failed to resolve console transport address '%s'.",
+ data->address);
+
+ return FALSE;
+ }
+
+ evt.connection = stream_connection_cb;
+ evt.closed = stream_closed_cb;
+ evt.recvmsg = stream_recv_cb;
+ evt.recvmsgfrom = NULL;
+
+ flags = MRP_TRANSPORT_REUSEADDR;
+ t = mrp_transport_create(ml, type, &evt, data, flags);
+
+ if (t != NULL) {
+ if (mrp_transport_bind(t, &addr, alen) && mrp_transport_listen(t, 1)) {
+ data->t = t;
+
+ return TRUE;
+ }
+ else {
+ mrp_log_error("Failed to bind console to '%s'.", data->address);
+ mrp_transport_destroy(t);
+ }
+ }
+ else
+ mrp_log_error("Failed to create console transport.");
+
+ return FALSE;
+}
+
+
+/*
+ * datagram transports
+ */
+
+#define dgram_write_req write_req
+#define dgram_free_req free_req
+#define dgram_set_prompt_req set_prompt_req
+
+#define dgram_recv_cb recv_cb
+#define dgram_recvfrom_cb recvfrom_cb
+
+
+static void dgram_close_req(mrp_console_t *mc)
+{
+ console_t *c = (console_t *)mc->backend_data;
+ mrp_msg_t *msg;
+ uint16_t tag, type;
+
+ tag = MRP_CONSOLE_BYE;
+ type = MRP_MSG_FIELD_BOOL;
+ msg = mrp_msg_create(tag, type, TRUE, NULL);
+
+ if (msg != NULL) {
+ mrp_transport_send(c->t, msg);
+ mrp_msg_unref(msg);
+ }
+
+ mrp_transport_disconnect(c->t);
+}
+
+
+static int dgram_setup(data_t *data)
+{
+ static mrp_transport_evt_t evt;
+ static mrp_console_req_t req;
+
+ mrp_mainloop_t *ml = data->ctx->ml;
+ mrp_transport_t *t;
+ const char *type;
+ mrp_sockaddr_t addr;
+ socklen_t alen;
+ int flags;
+ console_t *c;
+
+ t = NULL;
+ alen = sizeof(addr);
+ alen = mrp_transport_resolve(NULL, data->address, &addr, alen, &type);
+
+ if (alen <= 0) {
+ mrp_log_error("Failed to resolve console transport address '%s'.",
+ data->address);
+
+ return FALSE;
+ }
+
+ c = mrp_allocz(sizeof(*c));
+
+ if (c != NULL) {
+ evt.recvmsg = dgram_recv_cb;
+ evt.recvmsgfrom = dgram_recvfrom_cb;
+ evt.connection = NULL;
+ evt.closed = NULL;
+
+ flags = MRP_TRANSPORT_REUSEADDR;
+ t = mrp_transport_create(ml, type, &evt, c, flags);
+
+ if (t != NULL) {
+ if (mrp_transport_bind(t, &addr, alen)) {
+ req.write = dgram_write_req;
+ req.close = dgram_close_req;
+ req.free = dgram_free_req;
+ req.set_prompt = dgram_set_prompt_req;
+
+ c->t = t;
+ c->mc = mrp_create_console(data->ctx, &req, c);
+
+ if (c->mc != NULL) {
+ data->c = c;
+ c->mc->preserve = TRUE;
+
+ return TRUE;
+ }
+ else
+ mrp_log_error("Failed to create console.");
+ }
+ else
+ mrp_log_error("Failed to bind console to '%s'.", data->address);
+
+ c->t = NULL;
+ mrp_transport_destroy(t);
+ }
+ else
+ mrp_log_error("Failed to create console transport.");
+
+ mrp_free(c);
+ }
+
+ return FALSE;
+}
+
+
+#ifdef WEBSOCKETS_ENABLED
+
+/*
+ * websocket transport
+ */
+
+#define wsock_close_req stream_close_req
+#define wsock_free_req free_req
+#define wsock_closed_cb stream_closed_cb
+
+static ssize_t wsock_write_req(mrp_console_t *mc, void *buf, size_t size)
+{
+ console_t *c = (console_t *)mc->backend_data;
+ mrp_json_t *msg;
+
+ msg = mrp_json_create(MRP_JSON_OBJECT);
+
+ if (msg != NULL) {
+ if (mrp_json_add_string_slice(msg, "output", buf, size))
+ mrp_transport_sendcustom(c->t, msg);
+
+ mrp_json_unref(msg);
+
+ return size;
+ }
+ else
+ return -1;
+}
+
+
+static void wsock_set_prompt_req(mrp_console_t *mc, const char *prompt)
+{
+ console_t *c = (console_t *)mc->backend_data;
+ mrp_json_t *msg;
+
+ msg = mrp_json_create(MRP_JSON_OBJECT);
+
+ if (msg != NULL) {
+ if (mrp_json_add_string(msg, "prompt", prompt))
+ mrp_transport_sendcustom(c->t, msg);
+
+ mrp_json_unref(msg);
+ }
+}
+
+
+static void wsock_recv_cb(mrp_transport_t *t, void *data, void *user_data)
+{
+ console_t *c = (console_t *)user_data;
+ mrp_json_t *msg = (mrp_json_t *)data;
+ const char *s;
+ char *input;
+ size_t size;
+
+ MRP_UNUSED(t);
+
+ s = mrp_json_object_to_string((mrp_json_t *)data);
+
+ mrp_debug("recived WRT console message:");
+ mrp_debug(" %s", s);
+
+ if (mrp_json_get_string(msg, "input", &input)) {
+ size = strlen(input);
+
+ if (size > 0) {
+ MRP_CONSOLE_BUSY(c->mc, {
+ c->mc->evt.input(c->mc, input, size);
+ });
+
+ c->mc->check_destroy(c->mc);
+ }
+ }
+}
+
+
+static void wsock_connection_cb(mrp_transport_t *lt, void *user_data)
+{
+ static mrp_console_req_t req;
+ data_t *data = (data_t *)user_data;
+ console_t *c;
+
+ mrp_debug("incoming web console connection...");
+
+ if ((c = mrp_allocz(sizeof(*c))) != NULL) {
+ c->t = mrp_transport_accept(lt, c, 0);
+
+ if (c->t != NULL) {
+ req.write = wsock_write_req;
+ req.close = wsock_close_req;
+ req.free = wsock_free_req;
+ req.set_prompt = wsock_set_prompt_req;
+
+ c->mc = mrp_create_console(data->ctx, &req, c);
+
+ if (c->mc != NULL) {
+ c->id = next_id++;
+ register_logger(c);
+
+ return;
+ }
+ else {
+ mrp_transport_destroy(c->t);
+ c->t = NULL;
+ }
+ }
+ }
+}
+
+
+static int wsock_setup(data_t *data)
+{
+ static mrp_transport_evt_t evt;
+
+ mrp_mainloop_t *ml = data->ctx->ml;
+ mrp_transport_t *t;
+ const char *type;
+ mrp_sockaddr_t addr;
+ socklen_t alen;
+ int flags;
+
+ t = NULL;
+ alen = sizeof(addr);
+ alen = mrp_transport_resolve(NULL, data->address, &addr, alen, &type);
+
+ if (alen <= 0) {
+ mrp_log_error("Failed to resolve console transport address '%s'.",
+ data->address);
+
+ return FALSE;
+ }
+
+ evt.connection = wsock_connection_cb;
+ evt.closed = wsock_closed_cb;
+ evt.recvcustom = wsock_recv_cb;
+ evt.recvmsgfrom = NULL;
+
+ flags = MRP_TRANSPORT_MODE_CUSTOM;
+ t = mrp_transport_create(ml, type, &evt, data, flags);
+
+ if (t != NULL) {
+ if (mrp_transport_bind(t, &addr, alen) && mrp_transport_listen(t, 1)) {
+ mrp_transport_setopt(t, MRP_WSCK_OPT_HTTPDIR, data->httpdir);
+ data->t = t;
+
+ return TRUE;
+ }
+ else {
+ mrp_log_error("Failed to bind console to '%s'.", data->address);
+ mrp_transport_destroy(t);
+ }
+ }
+ else
+ mrp_log_error("Failed to create console transport.");
+
+ return FALSE;
+}
+
+#endif /* WEBSOCKETS_ENABLED */
+
+
+enum {
+ ARG_ADDRESS, /* console transport address */
+ ARG_HTTPDIR /* content directory for HTTP */
+};
+
+
+
+static int console_init(mrp_plugin_t *plugin)
+{
+ data_t *data;
+ int ok;
+
+ if ((data = mrp_allocz(sizeof(*data))) != NULL) {
+ mrp_list_init(&data->clients);
+
+ data->ctx = plugin->ctx;
+ data->address = plugin->args[ARG_ADDRESS].str;
+ data->httpdir = plugin->args[ARG_HTTPDIR].str;
+
+ mrp_log_info("Using console address '%s'...", data->address);
+
+ if (!strncmp(data->address, "wsck:", 5)) {
+ if (data->httpdir != NULL)
+ mrp_log_info("Using '%s' for serving console Web agent...",
+ data->httpdir);
+ else
+ mrp_log_info("Not serving console Web agent...");
+ }
+
+ if (!strncmp(data->address, "tcp4:", 5) ||
+ !strncmp(data->address, "tcp6:", 5) ||
+ !strncmp(data->address, "unxs:", 5))
+ ok = stream_setup(data);
+#ifdef WEBSOCKETS_ENABLED
+ else if (!strncmp(data->address, "wsck:", 5))
+ ok = wsock_setup(data);
+#endif
+ else
+ ok = dgram_setup(data);
+
+ if (ok) {
+ plugin->data = data;
+
+ return TRUE;
+ }
+ }
+
+ mrp_free(data);
+
+ return FALSE;
+}
+
+
+static void console_exit(mrp_plugin_t *plugin)
+{
+ mrp_log_info("Cleaning up %s...", plugin->instance);
+}
+
+
+#define CONSOLE_DESCRIPTION "A debug console for Murphy."
+#define CONSOLE_HELP \
+ "The debug console provides a telnet-like remote session and a\n" \
+ "simple shell-like command interpreter with commands to help\n" \
+ "development, debugging, and trouble-shooting. The set of commands\n" \
+ "can be dynamically extended by registering new commands from\n" \
+ "other plugins."
+
+#define CONSOLE_VERSION MRP_VERSION_INT(0, 0, 1)
+#define CONSOLE_AUTHORS "Krisztian Litkey <kli@iki.fi>"
+
+
+static mrp_plugin_arg_t console_args[] = {
+ MRP_PLUGIN_ARGIDX(ARG_ADDRESS, STRING, "address", DEFAULT_ADDRESS),
+ MRP_PLUGIN_ARGIDX(ARG_HTTPDIR, STRING, "httpdir", DEFAULT_HTTPDIR)
+};
+
+MURPHY_REGISTER_CORE_PLUGIN("console",
+ CONSOLE_VERSION, CONSOLE_DESCRIPTION,
+ CONSOLE_AUTHORS, CONSOLE_HELP, MRP_SINGLETON,
+ console_init, console_exit,
+ console_args, MRP_ARRAY_SIZE(console_args),
+ NULL, 0, NULL, 0, NULL);
projects / profile / ivi / murphy.git / commitdiff