diff options
Diffstat (limited to '')
32 files changed, 2961 insertions, 0 deletions
diff --git a/src/civetweb/examples/_obsolete/chat/Makefile b/src/civetweb/examples/_obsolete/chat/Makefile new file mode 100644 index 000000000..e8d12be69 --- /dev/null +++ b/src/civetweb/examples/_obsolete/chat/Makefile @@ -0,0 +1,40 @@ +# +# Copyright (c) 2013 No Face Press, LLC +# License http://opensource.org/licenses/mit-license.php MIT License +# + +#This makefile is used to test the other Makefiles + + +PROG = chat +SRC = chat.c + +TOP = ../.. +CIVETWEB_LIB = libcivetweb.a +SSL_CERT = ssl_cert.pem + +CFLAGS = -I$(TOP)/include $(COPT) +LIBS = -lpthread + +include $(TOP)/resources/Makefile.in-os + +ifeq ($(TARGET_OS),LINUX) + LIBS += -ldl +endif + +all: $(PROG) $(SSL_CERT) + +$(PROG): $(CIVETWEB_LIB) $(SRC) + $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(SRC) $(CIVETWEB_LIB) $(LIBS) + +$(CIVETWEB_LIB): + $(MAKE) -C $(TOP) clean lib + cp $(TOP)/$(CIVETWEB_LIB) . + +$(SSL_CERT): + cp $(TOP)/resources/$(SSL_CERT) . + +clean: + rm -f $(CIVETWEB_LIB) $(PROG) $(SSL_CERT) + +.PHONY: all clean diff --git a/src/civetweb/examples/_obsolete/chat/chat.c b/src/civetweb/examples/_obsolete/chat/chat.c new file mode 100644 index 000000000..ad146183b --- /dev/null +++ b/src/civetweb/examples/_obsolete/chat/chat.c @@ -0,0 +1,403 @@ +// This file is part of the Civetweb project, http://code.google.com/p/civetweb +// It implements an online chat server. For more details, +// see the documentation on the project web site. +// To test the application, +// 1. type "make" in the directory where this file lives +// 2. point your browser to http://127.0.0.1:8081 + +#include <stdio.h> +#include <stdlib.h> +#include <assert.h> +#include <string.h> +#include <time.h> +#include <stdarg.h> +#include <pthread.h> + +#include "civetweb.h" + +#define MAX_USER_LEN 20 +#define MAX_MESSAGE_LEN 100 +#define MAX_MESSAGES 5 +#define MAX_SESSIONS 2 +#define SESSION_TTL 120 + +static const char *authorize_url = "/authorize"; +static const char *login_url = "/login.html"; +static const char *ajax_reply_start = + "HTTP/1.1 200 OK\r\n" + "Cache: no-cache\r\n" + "Content-Type: application/x-javascript\r\n" + "\r\n"; + +// Describes single message sent to a chat. If user is empty (0 length), +// the message is then originated from the server itself. +struct message { + long id; // Message ID + char user[MAX_USER_LEN]; // User that have sent the message + char text[MAX_MESSAGE_LEN]; // Message text + time_t timestamp; // Message timestamp, UTC +}; + +// Describes web session. +struct session { + char session_id[33]; // Session ID, must be unique + char random[20]; // Random data used for extra user validation + char user[MAX_USER_LEN]; // Authenticated user + time_t expire; // Expiration timestamp, UTC +}; + +static struct message messages[MAX_MESSAGES]; // Ringbuffer for messages +static struct session sessions[MAX_SESSIONS]; // Current sessions +static long last_message_id; + +// Protects messages, sessions, last_message_id +static pthread_rwlock_t rwlock = PTHREAD_RWLOCK_INITIALIZER; + +// Get session object for the connection. Caller must hold the lock. +static struct session *get_session(const struct mg_connection *conn) +{ + int i; + const char *cookie = mg_get_header(conn, "Cookie"); + char session_id[33]; + time_t now = time(NULL); + mg_get_cookie(cookie, "session", session_id, sizeof(session_id)); + for (i = 0; i < MAX_SESSIONS; i++) { + if (sessions[i].expire != 0 && + sessions[i].expire > now && + strcmp(sessions[i].session_id, session_id) == 0) { + break; + } + } + return i == MAX_SESSIONS ? NULL : &sessions[i]; +} + +static void get_qsvar(const struct mg_request_info *request_info, + const char *name, char *dst, size_t dst_len) +{ + const char *qs = request_info->query_string; + mg_get_var(qs, strlen(qs == NULL ? "" : qs), name, dst, dst_len); +} + +// Get a get of messages with IDs greater than last_id and transform them +// into a JSON string. Return that string to the caller. The string is +// dynamically allocated, caller must free it. If there are no messages, +// NULL is returned. +static char *messages_to_json(long last_id) +{ + const struct message *message; + int max_msgs, len; + char buf[sizeof(messages)]; // Large enough to hold all messages + + // Read-lock the ringbuffer. Loop over all messages, making a JSON string. + pthread_rwlock_rdlock(&rwlock); + len = 0; + max_msgs = sizeof(messages) / sizeof(messages[0]); + // If client is too far behind, return all messages. + if (last_message_id - last_id > max_msgs) { + last_id = last_message_id - max_msgs; + } + for (; last_id < last_message_id; last_id++) { + message = &messages[last_id % max_msgs]; + if (message->timestamp == 0) { + break; + } + // buf is allocated on stack and hopefully is large enough to hold all + // messages (it may be too small if the ringbuffer is full and all + // messages are large. in this case asserts will trigger). + len += snprintf(buf + len, sizeof(buf) - len, + "{user: '%s', text: '%s', timestamp: %lu, id: %ld},", + message->user, message->text, message->timestamp, message->id); + assert(len > 0); + assert((size_t) len < sizeof(buf)); + } + pthread_rwlock_unlock(&rwlock); + + return len == 0 ? NULL : strdup(buf); +} + +// If "callback" param is present in query string, this is JSONP call. +// Return 1 in this case, or 0 if "callback" is not specified. +// Wrap an output in Javascript function call. +static int handle_jsonp(struct mg_connection *conn, + const struct mg_request_info *request_info) +{ + char cb[64]; + + get_qsvar(request_info, "callback", cb, sizeof(cb)); + if (cb[0] != '\0') { + mg_printf(conn, "%s(", cb); + } + + return cb[0] == '\0' ? 0 : 1; +} + +// A handler for the /ajax/get_messages endpoint. +// Return a list of messages with ID greater than requested. +static void ajax_get_messages(struct mg_connection *conn, + const struct mg_request_info *request_info) +{ + char last_id[32], *json; + int is_jsonp; + + mg_printf(conn, "%s", ajax_reply_start); + is_jsonp = handle_jsonp(conn, request_info); + + get_qsvar(request_info, "last_id", last_id, sizeof(last_id)); + if ((json = messages_to_json(strtoul(last_id, NULL, 10))) != NULL) { + mg_printf(conn, "[%s]", json); + free(json); + } + + if (is_jsonp) { + mg_printf(conn, "%s", ")"); + } +} + +// Allocate new message. Caller must hold the lock. +static struct message *new_message(void) +{ + static int size = sizeof(messages) / sizeof(messages[0]); + struct message *message = &messages[last_message_id % size]; + message->id = last_message_id++; + message->timestamp = time(0); + return message; +} + +static void my_strlcpy(char *dst, const char *src, size_t len) +{ + strncpy(dst, src, len); + dst[len - 1] = '\0'; +} + +// A handler for the /ajax/send_message endpoint. +static void ajax_send_message(struct mg_connection *conn, + const struct mg_request_info *request_info) +{ + struct message *message; + struct session *session; + char text[sizeof(message->text) - 1]; + int is_jsonp; + + mg_printf(conn, "%s", ajax_reply_start); + is_jsonp = handle_jsonp(conn, request_info); + + get_qsvar(request_info, "text", text, sizeof(text)); + if (text[0] != '\0') { + // We have a message to store. Write-lock the ringbuffer, + // grab the next message and copy data into it. + pthread_rwlock_wrlock(&rwlock); + message = new_message(); + // TODO(lsm): JSON-encode all text strings + session = get_session(conn); + assert(session != NULL); + my_strlcpy(message->text, text, sizeof(text)); + my_strlcpy(message->user, session->user, sizeof(message->user)); + pthread_rwlock_unlock(&rwlock); + } + + mg_printf(conn, "%s", text[0] == '\0' ? "false" : "true"); + + if (is_jsonp) { + mg_printf(conn, "%s", ")"); + } +} + +// Redirect user to the login form. In the cookie, store the original URL +// we came from, so that after the authorization we could redirect back. +static void redirect_to_login(struct mg_connection *conn, + const struct mg_request_info *request_info) +{ + mg_printf(conn, "HTTP/1.1 302 Found\r\n" + "Set-Cookie: original_url=%s\r\n" + "Location: %s\r\n\r\n", + request_info->uri, login_url); +} + +// Return 1 if username/password is allowed, 0 otherwise. +static int check_password(const char *user, const char *password) +{ + // In production environment we should ask an authentication system + // to authenticate the user. + // Here however we do trivial check that user and password are not empty + return (user[0] && password[0]); +} + +// Allocate new session object +static struct session *new_session(void) +{ + int i; + time_t now = time(NULL); + pthread_rwlock_wrlock(&rwlock); + for (i = 0; i < MAX_SESSIONS; i++) { + if (sessions[i].expire == 0 || sessions[i].expire < now) { + sessions[i].expire = time(0) + SESSION_TTL; + break; + } + } + pthread_rwlock_unlock(&rwlock); + return i == MAX_SESSIONS ? NULL : &sessions[i]; +} + +// Generate session ID. buf must be 33 bytes in size. +// Note that it is easy to steal session cookies by sniffing traffic. +// This is why all communication must be SSL-ed. +static void generate_session_id(char *buf, const char *random, + const char *user) +{ + mg_md5(buf, random, user, NULL); +} + +static void send_server_message(const char *fmt, ...) +{ + va_list ap; + struct message *message; + + pthread_rwlock_wrlock(&rwlock); + message = new_message(); + message->user[0] = '\0'; // Empty user indicates server message + va_start(ap, fmt); + vsnprintf(message->text, sizeof(message->text), fmt, ap); + va_end(ap); + + pthread_rwlock_unlock(&rwlock); +} + +// A handler for the /authorize endpoint. +// Login page form sends user name and password to this endpoint. +static void authorize(struct mg_connection *conn, + const struct mg_request_info *request_info) +{ + char user[MAX_USER_LEN], password[MAX_USER_LEN]; + struct session *session; + + // Fetch user name and password. + get_qsvar(request_info, "user", user, sizeof(user)); + get_qsvar(request_info, "password", password, sizeof(password)); + + if (check_password(user, password) && (session = new_session()) != NULL) { + // Authentication success: + // 1. create new session + // 2. set session ID token in the cookie + // 3. remove original_url from the cookie - not needed anymore + // 4. redirect client back to the original URL + // + // The most secure way is to stay HTTPS all the time. However, just to + // show the technique, we redirect to HTTP after the successful + // authentication. The danger of doing this is that session cookie can + // be stolen and an attacker may impersonate the user. + // Secure application must use HTTPS all the time. + my_strlcpy(session->user, user, sizeof(session->user)); + snprintf(session->random, sizeof(session->random), "%d", rand()); + generate_session_id(session->session_id, session->random, session->user); + send_server_message("<%s> joined", session->user); + mg_printf(conn, "HTTP/1.1 302 Found\r\n" + "Set-Cookie: session=%s; max-age=3600; http-only\r\n" // Session ID + "Set-Cookie: user=%s\r\n" // Set user, needed by Javascript code + "Set-Cookie: original_url=/; max-age=0\r\n" // Delete original_url + "Location: /\r\n\r\n", + session->session_id, session->user); + } else { + // Authentication failure, redirect to login. + redirect_to_login(conn, request_info); + } +} + +// Return 1 if request is authorized, 0 otherwise. +static int is_authorized(const struct mg_connection *conn, + const struct mg_request_info *request_info) +{ + struct session *session; + char valid_id[33]; + int authorized = 0; + + // Always authorize accesses to login page and to authorize URI + if (!strcmp(request_info->uri, login_url) || + !strcmp(request_info->uri, authorize_url)) { + return 1; + } + + pthread_rwlock_rdlock(&rwlock); + if ((session = get_session(conn)) != NULL) { + generate_session_id(valid_id, session->random, session->user); + if (strcmp(valid_id, session->session_id) == 0) { + session->expire = time(0) + SESSION_TTL; + authorized = 1; + } + } + pthread_rwlock_unlock(&rwlock); + + return authorized; +} + +static void redirect_to_ssl(struct mg_connection *conn, + const struct mg_request_info *request_info) +{ + const char *p, *host = mg_get_header(conn, "Host"); + if (host != NULL && (p = strchr(host, ':')) != NULL) { + mg_printf(conn, "HTTP/1.1 302 Found\r\n" + "Location: https://%.*s:8082/%s:8082\r\n\r\n", + (int) (p - host), host, request_info->uri); + } else { + mg_printf(conn, "%s", "HTTP/1.1 500 Error\r\n\r\nHost: header is not set"); + } +} + +static int begin_request_handler(struct mg_connection *conn) +{ + const struct mg_request_info *request_info = mg_get_request_info(conn); + int processed = 1; + + if (!request_info->is_ssl) { + redirect_to_ssl(conn, request_info); + } else if (!is_authorized(conn, request_info)) { + redirect_to_login(conn, request_info); + } else if (strcmp(request_info->uri, authorize_url) == 0) { + authorize(conn, request_info); + } else if (strcmp(request_info->uri, "/ajax/get_messages") == 0) { + ajax_get_messages(conn, request_info); + } else if (strcmp(request_info->uri, "/ajax/send_message") == 0) { + ajax_send_message(conn, request_info); + } else { + // No suitable handler found, mark as not processed. Civetweb will + // try to serve the request. + processed = 0; + } + return processed; +} + +static const char *options[] = { + "document_root", "html", + "listening_ports", "8081,8082s", + "ssl_certificate", "ssl_cert.pem", + "num_threads", "5", + NULL +}; + +int main(void) +{ + struct mg_callbacks callbacks; + struct mg_context *ctx; + + // Initialize random number generator. It will be used later on for + // the session identifier creation. + srand((unsigned) time(0)); + + // Setup and start Civetweb + memset(&callbacks, 0, sizeof(callbacks)); + callbacks.begin_request = begin_request_handler; + if ((ctx = mg_start(&callbacks, NULL, options)) == NULL) { + printf("%s\n", "Cannot start chat server, fatal exit"); + exit(EXIT_FAILURE); + } + + // Wait until enter is pressed, then exit + printf("Chat server started on ports %s, press enter to quit.\n", + mg_get_option(ctx, "listening_ports")); + getchar(); + mg_stop(ctx); + printf("%s\n", "Chat server stopped."); + + return EXIT_SUCCESS; +} + +// vim:ts=2:sw=2:et diff --git a/src/civetweb/examples/_obsolete/docroot/favicon.ico b/src/civetweb/examples/_obsolete/docroot/favicon.ico Binary files differnew file mode 100644 index 000000000..2179aba89 --- /dev/null +++ b/src/civetweb/examples/_obsolete/docroot/favicon.ico diff --git a/src/civetweb/examples/_obsolete/docroot/index.html b/src/civetweb/examples/_obsolete/docroot/index.html new file mode 100644 index 000000000..c85bec992 --- /dev/null +++ b/src/civetweb/examples/_obsolete/docroot/index.html @@ -0,0 +1,73 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" lang="en" dir="ltr"> + <!-- This file is part of the Civetweb project, + http://sourceforge.net/projects/civetweb/ --> + <head> + <title>Civetweb chat server</title> + <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/> + <link type="text/css" rel="stylesheet" href="style.css"/> + <script src="jquery.js"></script> + <script src="main.js"></script> + </head> + + <body> + <div id="header"> + <div id="logo"></div> + <div class="rounded infobox help-message" id="motd"> + Chat room implemented using + <a href="http://sourceforge.net/projects/civetweb/" target="_blank">Civetweb</a> + embeddable web server. + This application was written for educational purposes demonstrating + how web interface could be decoupled from the business logic. Not a + single line of HTML is generated by the server, instead, server + gives data to the client in JSON format. + </div> + </div> + <div> + + <div id="middle"> + <div><center><span id="error" class="rounded"></span><center></div> + + <div id="menu"> + <div class="menu-item left-rounded menu-item-selected" + name="chat">Chat</div> + <div class="menu-item left-rounded" name="settings">Settings</div> + </div> + + <div id="content" class="rounded"> + + <div id="chat" class="main"> + <div class="chat-window"> + <span class="top-rounded chat-title">Main room</span> + <div class="bottom-rounded chat-content"> + <div class="message-list" id="mml"> + </div> + <input type="text" size="40" class="message-input"></input> + <span class="help-message"> + Type your message here and press enter</span> + </div> + </div> + </div> + + <div id="settings" class="hidden main"> + <div> + <span class="top-rounded chat-title">Settings</span> + <div class="bottom-rounded chat-content"> + <table> + <tr><td>Max messages to display:</td><td>blah blah</td></tr> + <tr><td>Text color:</td><td>blah blah</td></tr> + </table> + </div> + </div> + </div> + + </div> + </div> + + <div id="footer"> + Copyright © 2004-2010 by Sergey Lyubka + </div> + + </body> +</html> diff --git a/src/civetweb/examples/_obsolete/docroot/jquery.js b/src/civetweb/examples/_obsolete/docroot/jquery.js new file mode 100644 index 000000000..7c2430802 --- /dev/null +++ b/src/civetweb/examples/_obsolete/docroot/jquery.js @@ -0,0 +1,154 @@ +/*! + * jQuery JavaScript Library v1.4.2 + * http://jquery.com/ + * + * Copyright 2010, John Resig + * Dual licensed under the MIT or GPL Version 2 licenses. + * http://jquery.org/license + * + * Includes Sizzle.js + * http://sizzlejs.com/ + * Copyright 2010, The Dojo Foundation + * Released under the MIT, BSD, and GPL Licenses. + * + * Date: Sat Feb 13 22:33:48 2010 -0500 + */ +(function(A,w){function ma(){if(!c.isReady){try{s.documentElement.doScroll("left")}catch(a){setTimeout(ma,1);return}c.ready()}}function Qa(a,b){b.src?c.ajax({url:b.src,async:false,dataType:"script"}):c.globalEval(b.text||b.textContent||b.innerHTML||"");b.parentNode&&b.parentNode.removeChild(b)}function X(a,b,d,f,e,j){var i=a.length;if(typeof b==="object"){for(var o in b)X(a,o,b[o],f,e,d);return a}if(d!==w){f=!j&&f&&c.isFunction(d);for(o=0;o<i;o++)e(a[o],b,f?d.call(a[o],o,e(a[o],b)):d,j);return a}return i? 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a=s.body,b=s.createElement("div"),d,f,e,j=parseFloat(c.curCSS(a,"marginTop",true))||0;c.extend(b.style,{position:"absolute",top:0,left:0,margin:0,border:0,width:"1px",height:"1px",visibility:"hidden"});b.innerHTML="<div style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;'><div></div></div><table style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;' cellpadding='0' cellspacing='0'><tr><td></td></tr></table>"; +a.insertBefore(b,a.firstChild);d=b.firstChild;f=d.firstChild;e=d.nextSibling.firstChild.firstChild;this.doesNotAddBorder=f.offsetTop!==5;this.doesAddBorderForTableAndCells=e.offsetTop===5;f.style.position="fixed";f.style.top="20px";this.supportsFixedPosition=f.offsetTop===20||f.offsetTop===15;f.style.position=f.style.top="";d.style.overflow="hidden";d.style.position="relative";this.subtractsBorderForOverflowNotVisible=f.offsetTop===-5;this.doesNotIncludeMarginInBodyOffset=a.offsetTop!==j;a.removeChild(b); +c.offset.initialize=c.noop},bodyOffset:function(a){var b=a.offsetTop,d=a.offsetLeft;c.offset.initialize();if(c.offset.doesNotIncludeMarginInBodyOffset){b+=parseFloat(c.curCSS(a,"marginTop",true))||0;d+=parseFloat(c.curCSS(a,"marginLeft",true))||0}return{top:b,left:d}},setOffset:function(a,b,d){if(/static/.test(c.curCSS(a,"position")))a.style.position="relative";var 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f==="string"?f:f+"px")}});A.jQuery=A.$=c})(window); diff --git a/src/civetweb/examples/_obsolete/docroot/login.html b/src/civetweb/examples/_obsolete/docroot/login.html new file mode 100644 index 000000000..2b09f01c5 --- /dev/null +++ b/src/civetweb/examples/_obsolete/docroot/login.html @@ -0,0 +1,43 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" lang="en" dir="ltr"> + <!-- This file is part of the Civetweb project, + http://sourceforge.net/projects/civetweb/ --> + <head> + <title>Civetweb chat: login</title> + <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/> + <!-- + Note that this page is self-sufficient, it does not load any other + CSS or Javascript file. This is done so because only this page is + allowed for non-authorized users. If we want to load other files + from the frontend, we need to change backend code to allow those + for non-authorized users. See chat.c :: must_authorize() function. + --> + </head> + + <script> + window.onload = function() { + // Set correct action for the login form. We assume that the SSL port + // is the next one to insecure one. + var httpsPort = location.protocol.match(/https/) ? location.port : + parseInt(location.port) + 1; + document.forms[0].action = 'https://' + location.hostname + ':' + + httpsPort + '/authorize'; + }; + </script> + + <body> + <center> + <h2>Civetweb chat server login</h2> + <div style="max-width: 30em;"> + Username and password can be any non-empty strings. + </div> + <br/> + <form> + <input type="text" name="user"></input><br/> + <input type="text" name="password"></input><br/> + <input type="submit" value="Login"></input> + </form> + </center> + </body> +</html> diff --git a/src/civetweb/examples/_obsolete/docroot/logo.png b/src/civetweb/examples/_obsolete/docroot/logo.png Binary files differnew file mode 100644 index 000000000..8a47c0ab8 --- /dev/null +++ b/src/civetweb/examples/_obsolete/docroot/logo.png diff --git a/src/civetweb/examples/_obsolete/docroot/main.js b/src/civetweb/examples/_obsolete/docroot/main.js new file mode 100644 index 000000000..d4af86ddb --- /dev/null +++ b/src/civetweb/examples/_obsolete/docroot/main.js @@ -0,0 +1,107 @@ +// This file is part of Civetweb project, +// http://sourceforge.net/projects/civetweb/ + +var chat = { + // Backend URL, string. + // 'http://backend.address.com' or '' if backend is the same as frontend + backendUrl: '', + maxVisibleMessages: 10, + errorMessageFadeOutTimeoutMs: 2000, + errorMessageFadeOutTimer: null, + lastMessageId: 0, + getMessagesIntervalMs: 1000, +}; + +chat.normalizeText = function(text) { + return text.replace('<', '<').replace('>', '>'); +}; + +chat.refresh = function(data) { + + if (data === undefined) { + return; + } + + $.each(data, function(index, entry) { + var row = $('<div>').addClass('message-row').appendTo('#mml'); + var timestamp = (new Date(entry.timestamp * 1000)).toLocaleTimeString(); + $('<span>') + .addClass('message-timestamp') + .html('[' + timestamp + ']') + .prependTo(row); + $('<span>') + .addClass('message-user') + .addClass(entry.user ? '' : 'message-user-server') + .html(chat.normalizeText((entry.user || '[server]') + ':')) + .appendTo(row); + $('<span>') + .addClass('message-text') + .addClass(entry.user ? '' : 'message-text-server') + .html(chat.normalizeText(entry.text)) + .appendTo(row); + chat.lastMessageId = Math.max(chat.lastMessageId, entry.id) + 1; + }); + + // Keep only chat.maxVisibleMessages, delete older ones. + while ($('#mml').children().length > chat.maxVisibleMessages) { + $('#mml div:first-child').remove(); + } +}; + +chat.getMessages = function(enter_loop) { + $.ajax({ + dataType: 'jsonp', + url: chat.backendUrl + '/ajax/get_messages', + data: {last_id: chat.lastMessageId}, + success: chat.refresh, + error: function() { + }, + }); + if (enter_loop) { + window.setTimeout('chat.getMessages(true)', chat.getMessagesIntervalMs); + } +}; + +chat.handleMenuItemClick = function(ev) { + $('.menu-item').removeClass('menu-item-selected'); // Deselect menu buttons + $(this).addClass('menu-item-selected'); // Select clicked button + $('.main').addClass('hidden'); // Hide all main windows + $('#' + $(this).attr('name')).removeClass('hidden'); // Show main window +}; + +chat.showError = function(message) { + $('#error').html(message).fadeIn('fast'); + window.clearTimeout(chat.errorMessageFadeOutTimer); + chat.errorMessageFadeOutTimer = window.setTimeout(function() { + $('#error').fadeOut('slow'); + }, chat.errorMessageFadeOutTimeoutMs); +}; + +chat.handleMessageInput = function(ev) { + var input = ev.target; + if (ev.keyCode != 13 || !input.value) + return; + //input.disabled = true; + $.ajax({ + dataType: 'jsonp', + url: chat.backendUrl + '/ajax/send_message', + data: {text: input.value}, + success: function(ev) { + input.value = ''; + input.disabled = false; + chat.getMessages(false); + }, + error: function(ev) { + chat.showError('Error sending message'); + input.disabled = false; + }, + }); +}; + +$(document).ready(function() { + $('.menu-item').click(chat.handleMenuItemClick); + $('.message-input').keypress(chat.handleMessageInput); + chat.getMessages(true); +}); + +// vim:ts=2:sw=2:et diff --git a/src/civetweb/examples/_obsolete/docroot/prime_numbers.lp b/src/civetweb/examples/_obsolete/docroot/prime_numbers.lp new file mode 100644 index 000000000..0c71bb824 --- /dev/null +++ b/src/civetweb/examples/_obsolete/docroot/prime_numbers.lp @@ -0,0 +1,46 @@ +HTTP/1.0 200 OK +Content-Type: text/html + +<html> + <p>Prime numbers from 0 to 100, calculated by Lua:</p> + <? + function is_prime(n) + if n <= 0 then return false end + if n <= 2 then return true end + if (n % 2 == 0) then return false end + for i = 3, n / 2, 2 do + if (n % i == 0) then return false end + end + return true + end + + for i = 1, 100 do + if is_prime(i) then mg.write('<span>' .. i .. '</span> ') end + end + + ?> + + <p>Reading POST data from Lua (click submit):</p> + <form method="POST" ><input type="text" name="t1"/><input type="submit"></form> + + <pre> + POST data: [<? + local post_data = '' + if mg.request_info.request_method == 'POST' then + post_data = mg.read() + end + mg.write(post_data) + ?>] + request method: [<? mg.write(mg.request_info.request_method) ?>] + IP/port: [<? mg.write(mg.request_info.remote_ip, ':', + mg.request_info.remote_port) ?>] + URI: [<? mg.write(mg.request_info.uri) ?>] + HTTP version [<? mg.write(mg.request_info.http_version) ?>] + HEADERS: + <? + for name, value in pairs(mg.request_info.http_headers) do + mg.write(name, ':', value, '\n') + end + ?> +</pre> +</html> diff --git a/src/civetweb/examples/_obsolete/docroot/style.css b/src/civetweb/examples/_obsolete/docroot/style.css new file mode 100644 index 000000000..716351d2d --- /dev/null +++ b/src/civetweb/examples/_obsolete/docroot/style.css @@ -0,0 +1,154 @@ +/* + * vim:ts=2:sw=2:et:ai + */ + +body { + font: 13px Arial; margin: 0.5em 1em; +} + +#logo { + background: url('logo.png') no-repeat ; + width: 160px; + height: 40px; + float: left; +} + +td { + text-align: left; +} + +#motd { + margin-left: 170px; +} + +.infobox { + background: #eed; + padding: 1px 1em; +} + +.help-message { + color: #aaa; +} + +#middle { + margin: 0.5em 0; +} + +#error { + background: #c44; + color: white; + font-weight: bold; +} + +#content, .menu-item-selected, .chat-title, .chat-content { + background: #c3d9ff; +} + +#content { + overflow: hidden; + min-height: 7em; + padding: 1em; +} + +.chat-title { + padding: 1px 1ex; +} + +.chat-content { + padding: 1ex; +} + +.chat-window { +} + +.message-row { + margin: 2px; + border-bottom: 1px solid #bbb; +} + +.message-timestamp { + color: #484; +} + +.message-user { + margin-left: 0.5em; + font-weight: bold; +} + +.message-text { + margin-left: 0.5em; +} + +.message-user-server { + color: purple; +} + +.message-text-server { + font-style: italic; +} + +.main { + padding: 0.5em; + background: #f0fcff; +} + +#menu { + margin-top: 1em; + min-width: 7em; + float: left; +} + +#footer { + position: fixed; + bottom: 0; + right: 0; + color: #ccc; + padding: 0.5em; +} + +.section { + clear: both; +} + +.hidden { + display: none; +} + +.menu-item { + cursor: pointer; + padding: 0.1em 0.5em; +} + +.menu-item-selected { + font-weight: bold; +} + +.message-list { + min-height: 1em; + background: white; + margin: 0.5em 0; +} + +.rounded { + border-radius: 6px; + -moz-border-radius: 6px; + -webkit-border-radius: 6px; +} + +.left-rounded { + border-radius: 6px 0 0 6px; + -moz-border-radius: 6px 0 0 6px; + -webkit-border-radius: 6px 0 0 6px; +} + +.bottom-rounded { + border-radius: 0 0 6px 6px; + -moz-border-radius: 0 0 6px 6px; + -webkit-border-radius: 0 0 6px 6px; +} + +.top-rounded { + border-radius: 6px 6px 0 0; + -moz-border-radius: 6px 6px 0 0; + -webkit-border-radius: 6px 6px 0 0; +} diff --git a/src/civetweb/examples/_obsolete/hello/Makefile b/src/civetweb/examples/_obsolete/hello/Makefile new file mode 100644 index 000000000..4424e3b58 --- /dev/null +++ b/src/civetweb/examples/_obsolete/hello/Makefile @@ -0,0 +1,36 @@ +# +# Copyright (c) 2013 No Face Press, LLC +# License http://opensource.org/licenses/mit-license.php MIT License +# + +#This makefile is used to test the other Makefiles + + +PROG = hello +SRC = hello.c + +TOP = ../.. +CIVETWEB_LIB = libcivetweb.a + +CFLAGS = -I$(TOP)/include $(COPT) +LIBS = -lpthread + +include $(TOP)/resources/Makefile.in-os + +ifeq ($(TARGET_OS),LINUX) + LIBS += -ldl +endif + +all: $(PROG) + +$(PROG): $(CIVETWEB_LIB) $(SRC) + $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(SRC) $(CIVETWEB_LIB) $(LIBS) + +$(CIVETWEB_LIB): + $(MAKE) -C $(TOP) clean lib + cp $(TOP)/$(CIVETWEB_LIB) . + +clean: + rm -f $(CIVETWEB_LIB) $(PROG) + +.PHONY: all clean diff --git a/src/civetweb/examples/_obsolete/hello/hello.c b/src/civetweb/examples/_obsolete/hello/hello.c new file mode 100644 index 000000000..39253c1ad --- /dev/null +++ b/src/civetweb/examples/_obsolete/hello/hello.c @@ -0,0 +1,53 @@ +#include <stdio.h> +#include <string.h> +#include "civetweb.h" + +// This function will be called by civetweb on every new request. +static int begin_request_handler(struct mg_connection *conn) +{ + const struct mg_request_info *request_info = mg_get_request_info(conn); + char content[100]; + + // Prepare the message we're going to send + int content_length = snprintf(content, sizeof(content), + "Hello from civetweb! Remote port: %d", + request_info->remote_port); + + // Send HTTP reply to the client + mg_printf(conn, + "HTTP/1.1 200 OK\r\n" + "Content-Type: text/plain\r\n" + "Content-Length: %d\r\n" // Always set Content-Length + "\r\n" + "%s", + content_length, content); + + // Returning non-zero tells civetweb that our function has replied to + // the client, and civetweb should not send client any more data. + return 1; +} + +int main(void) +{ + struct mg_context *ctx; + struct mg_callbacks callbacks; + + // List of options. Last element must be NULL. + const char *options[] = {"listening_ports", "8080", NULL}; + + // Prepare callbacks structure. We have only one callback, the rest are NULL. + memset(&callbacks, 0, sizeof(callbacks)); + callbacks.begin_request = begin_request_handler; + + // Start the web server. + ctx = mg_start(&callbacks, NULL, options); + + // Wait until user hits "enter". Server is running in separate thread. + // Navigating to http://localhost:8080 will invoke begin_request_handler(). + getchar(); + + // Stop the server. + mg_stop(ctx); + + return 0; +} diff --git a/src/civetweb/examples/_obsolete/lua/lua_dll.c b/src/civetweb/examples/_obsolete/lua/lua_dll.c new file mode 100644 index 000000000..79e6b97c0 --- /dev/null +++ b/src/civetweb/examples/_obsolete/lua/lua_dll.c @@ -0,0 +1,21 @@ +#include <stdio.h> + +#include "lua.h" +#include "lauxlib.h" + +static int smile(lua_State *L) +{ + (void) L; // Unused + printf("%s\n", ":-)"); + return 0; +} + +int LUA_API luaopen_lua_dll(lua_State *L) +{ + static const struct luaL_Reg api[] = { + {"smile", smile}, + {NULL, NULL}, + }; + luaL_openlib(L, "lua_dll", api, 0); + return 1; +} diff --git a/src/civetweb/examples/_obsolete/post/Makefile b/src/civetweb/examples/_obsolete/post/Makefile new file mode 100644 index 000000000..6e504f437 --- /dev/null +++ b/src/civetweb/examples/_obsolete/post/Makefile @@ -0,0 +1,36 @@ +# +# Copyright (c) 2013 No Face Press, LLC +# License http://opensource.org/licenses/mit-license.php MIT License +# + +#This makefile is used to test the other Makefiles + + +PROG = post +SRC = post.c + +TOP = ../.. +CIVETWEB_LIB = libcivetweb.a + +CFLAGS = -I$(TOP)/include $(COPT) +LIBS = -lpthread + +include $(TOP)/resources/Makefile.in-os + +ifeq ($(TARGET_OS),LINUX) + LIBS += -ldl +endif + +all: $(PROG) + +$(PROG): $(CIVETWEB_LIB) $(SRC) + $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(SRC) $(CIVETWEB_LIB) $(LIBS) + +$(CIVETWEB_LIB): + $(MAKE) -C $(TOP) clean lib + cp $(TOP)/$(CIVETWEB_LIB) . + +clean: + rm -f $(CIVETWEB_LIB) $(PROG) + +.PHONY: all clean diff --git a/src/civetweb/examples/_obsolete/post/post.c b/src/civetweb/examples/_obsolete/post/post.c new file mode 100644 index 000000000..3c5c68c8d --- /dev/null +++ b/src/civetweb/examples/_obsolete/post/post.c @@ -0,0 +1,58 @@ +#include <stdio.h> +#include <string.h> +#include "civetweb.h" + +static const char *html_form = + "<html><body>POST example." + "<form method=\"POST\" action=\"/handle_post_request\">" + "Input 1: <input type=\"text\" name=\"input_1\" /> <br/>" + "Input 2: <input type=\"text\" name=\"input_2\" /> <br/>" + "<input type=\"submit\" />" + "</form></body></html>"; + +static int begin_request_handler(struct mg_connection *conn) +{ + const struct mg_request_info *ri = mg_get_request_info(conn); + char post_data[1024], input1[sizeof(post_data)], input2[sizeof(post_data)]; + int post_data_len; + + if (!strcmp(ri->uri, "/handle_post_request")) { + // User has submitted a form, show submitted data and a variable value + post_data_len = mg_read(conn, post_data, sizeof(post_data)); + + // Parse form data. input1 and input2 are guaranteed to be NUL-terminated + mg_get_var(post_data, post_data_len, "input_1", input1, sizeof(input1)); + mg_get_var(post_data, post_data_len, "input_2", input2, sizeof(input2)); + + // Send reply to the client, showing submitted form values. + mg_printf(conn, "HTTP/1.0 200 OK\r\n" + "Content-Type: text/plain\r\n\r\n" + "Submitted data: [%.*s]\n" + "Submitted data length: %d bytes\n" + "input_1: [%s]\n" + "input_2: [%s]\n", + post_data_len, post_data, post_data_len, input1, input2); + } else { + // Show HTML form. + mg_printf(conn, "HTTP/1.0 200 OK\r\n" + "Content-Length: %d\r\n" + "Content-Type: text/html\r\n\r\n%s", + (int) strlen(html_form), html_form); + } + return 1; // Mark request as processed +} + +int main(void) +{ + struct mg_context *ctx; + const char *options[] = {"listening_ports", "8080", NULL}; + struct mg_callbacks callbacks; + + memset(&callbacks, 0, sizeof(callbacks)); + callbacks.begin_request = begin_request_handler; + ctx = mg_start(&callbacks, NULL, options); + getchar(); // Wait until user hits "enter" + mg_stop(ctx); + + return 0; +} diff --git a/src/civetweb/examples/_obsolete/upload/Makefile b/src/civetweb/examples/_obsolete/upload/Makefile new file mode 100644 index 000000000..9c6270fb2 --- /dev/null +++ b/src/civetweb/examples/_obsolete/upload/Makefile @@ -0,0 +1,36 @@ +# +# Copyright (c) 2013 No Face Press, LLC +# License http://opensource.org/licenses/mit-license.php MIT License +# + +#This makefile is used to test the other Makefiles + + +PROG = upload +SRC = upload.c + +TOP = ../.. +CIVETWEB_LIB = libcivetweb.a + +CFLAGS = -I$(TOP)/include $(COPT) +LIBS = -lpthread + +include $(TOP)/resources/Makefile.in-os + +ifeq ($(TARGET_OS),LINUX) + LIBS += -ldl +endif + +all: $(PROG) + +$(PROG): $(CIVETWEB_LIB) $(SRC) + $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(SRC) $(CIVETWEB_LIB) $(LIBS) + +$(CIVETWEB_LIB): + $(MAKE) -C $(TOP) clean lib + cp $(TOP)/$(CIVETWEB_LIB) . + +clean: + rm -f $(CIVETWEB_LIB) $(PROG) + +.PHONY: all clean diff --git a/src/civetweb/examples/_obsolete/upload/upload.c b/src/civetweb/examples/_obsolete/upload/upload.c new file mode 100644 index 000000000..56c4be4f3 --- /dev/null +++ b/src/civetweb/examples/_obsolete/upload/upload.c @@ -0,0 +1,110 @@ +/* Copyright (c) 2014 the Civetweb developers + * Copyright (c) 2004-2012 Sergey Lyubka + * This file is a part of civetweb project, http://github.com/bel2125/civetweb + */ + +/* This example is deprecated and no longer maintained. + * All relevant parts have been merged into the embedded_c example. */ + + +#ifdef _WIN32 +#ifndef _CRT_SECURE_NO_WARNINGS +#define _CRT_SECURE_NO_WARNINGS +#endif +#include <windows.h> +#include <io.h> +#define strtoll strtol +typedef __int64 int64_t; +#else +#include <inttypes.h> +#include <unistd.h> +#endif /* !_WIN32 */ + +#include <stdio.h> +#include <string.h> +#include <fcntl.h> +#include <stdlib.h> + +#include "civetweb.h" + + +/* callback: used to generate all content */ +static int begin_request_handler(struct mg_connection *conn) +{ + const char * tempPath = "."; +#ifdef _WIN32 + const char * env = getenv("TEMP"); + if (!env) env = getenv("TMP"); + if (env) tempPath = env; +#else + tempPath = "/tmp"; +#endif + + if (!strcmp(mg_get_request_info(conn)->uri, "/handle_post_request")) { + + mg_printf(conn, "%s", "HTTP/1.0 200 OK\r\n\r\n"); + mg_upload(conn, tempPath); + } else { + /* Show HTML form. */ + /* See http://www.w3.org/TR/html401/interact/forms.html#h-17.13.4.1 */ + static const char *html_form = + "<html><body>Upload example." + "" + /* enctype="multipart/form-data" */ + "<form method=\"POST\" action=\"/handle_post_request\" " + " enctype=\"multipart/form-data\">" + "<input type=\"file\" name=\"file\" /> <br/>" + "<input type=\"file\" name=\"file2\" /> <br/>" + "<input type=\"submit\" value=\"Upload\" />" + "</form>" + "" + "</body></html>"; + + mg_printf(conn, "HTTP/1.0 200 OK\r\n" + "Content-Length: %d\r\n" + "Content-Type: text/html\r\n\r\n%s", + (int) strlen(html_form), html_form); + } + + /* Mark request as processed */ + return 1; +} + + +/* callback: called after uploading a file is completed */ +static void upload_handler(struct mg_connection *conn, const char *path) +{ + mg_printf(conn, "Saved [%s]", path); +} + + +/* Main program: Set callbacks and start the server. */ +int main(void) +{ + /* Test server will use this port */ + const char * PORT = "8080"; + + /* Startup options for the server */ + struct mg_context *ctx; + const char *options[] = { + "listening_ports", PORT, + NULL}; + struct mg_callbacks callbacks; + + memset(&callbacks, 0, sizeof(callbacks)); + callbacks.begin_request = begin_request_handler; + callbacks.upload = upload_handler; + + /* Display a welcome message */ + printf("File upload demo.\n"); + printf("Open http://localhost:%s/ in your browser.\n\n", PORT); + + /* Start the server */ + ctx = mg_start(&callbacks, NULL, options); + + /* Wait until thr user hits "enter", then stop the server */ + getchar(); + mg_stop(ctx); + + return 0; +} diff --git a/src/civetweb/examples/_obsolete/websocket/Makefile b/src/civetweb/examples/_obsolete/websocket/Makefile new file mode 100644 index 000000000..3d6549297 --- /dev/null +++ b/src/civetweb/examples/_obsolete/websocket/Makefile @@ -0,0 +1,36 @@ +# +# Copyright (c) 2013 No Face Press, LLC +# License http://opensource.org/licenses/mit-license.php MIT License +# + +#This makefile is used to test the other Makefiles + + +PROG = websocket +SRC = WebSockCallbacks.c websocket.c + +TOP = ../.. +CIVETWEB_LIB = libcivetweb.a + +CFLAGS = -I$(TOP)/include $(COPT) +LIBS = -lpthread + +include $(TOP)/resources/Makefile.in-os + +ifeq ($(TARGET_OS),LINUX) + LIBS += -ldl +endif + +all: $(PROG) + +$(PROG): $(CIVETWEB_LIB) $(SRC) + $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(SRC) $(CIVETWEB_LIB) $(LIBS) + +$(CIVETWEB_LIB): + $(MAKE) -C $(TOP) clean lib WITH_WEBSOCKET=1 + cp $(TOP)/$(CIVETWEB_LIB) . + +clean: + rm -f $(CIVETWEB_LIB) $(PROG) + +.PHONY: all clean diff --git a/src/civetweb/examples/_obsolete/websocket/WebSockCallbacks.c b/src/civetweb/examples/_obsolete/websocket/WebSockCallbacks.c new file mode 100644 index 000000000..bb81fb0cc --- /dev/null +++ b/src/civetweb/examples/_obsolete/websocket/WebSockCallbacks.c @@ -0,0 +1,225 @@ +/* This example uses deprecated interfaces: global websocket callbacks. + They have been superseeded by URI specific callbacks. + See examples/embedded_c for an up to date example. + */ + +#include <assert.h> +#include <stdlib.h> +#include <time.h> +#include <string.h> +#include "WebSockCallbacks.h" + +#ifdef _WIN32 +#include <windows.h> +#define mg_sleep(x) Sleep(x) +#else +#include <unistd.h> +#include <pthread.h> +#define mg_sleep(x) usleep((x)*1000) +#endif + + +static void +send_to_all_websockets(struct mg_context *ctx, const char *data, int data_len) +{ + + int i; + tWebSockContext *ws_ctx = (tWebSockContext *)mg_get_user_data(ctx); + + mg_lock_context(ctx); + for (i = 0; i < MAX_NUM_OF_WEBSOCKS; i++) { + if (ws_ctx->socketList[i] + && (ws_ctx->socketList[i]->webSockState == 2)) { + mg_websocket_write(ws_ctx->socketList[i]->conn, + WEBSOCKET_OPCODE_TEXT, + data, + data_len); + } + } + mg_unlock_context(ctx); +} + + +void +websocket_ready_handler(struct mg_connection *conn, void *_ignored) +{ + + int i; + const struct mg_request_info *rq = mg_get_request_info(conn); + struct mg_context *ctx = mg_get_context(conn); + tWebSockContext *ws_ctx = (tWebSockContext *)mg_get_user_data(ctx); + tWebSockInfo *wsock = malloc(sizeof(tWebSockInfo)); + assert(wsock); + wsock->webSockState = 0; + mg_set_user_connection_data(conn, wsock); + + mg_lock_context(ctx); + for (i = 0; i < MAX_NUM_OF_WEBSOCKS; i++) { + if (0 == ws_ctx->socketList[i]) { + ws_ctx->socketList[i] = wsock; + wsock->conn = conn; + wsock->webSockState = 1; + break; + } + } + printf("\nNew websocket attached: %s:%u\n", + rq->remote_addr, + rq->remote_port); + mg_unlock_context(ctx); +} + + +static void +websocket_done(tWebSockContext *ws_ctx, tWebSockInfo *wsock) +{ + + int i; + + if (wsock) { + wsock->webSockState = 99; + for (i = 0; i < MAX_NUM_OF_WEBSOCKS; i++) { + if (wsock == ws_ctx->socketList[i]) { + ws_ctx->socketList[i] = 0; + break; + } + } + printf("\nClose websocket attached: %s:%u\n", + mg_get_request_info(wsock->conn)->remote_addr, + mg_get_request_info(wsock->conn)->remote_port); + free(wsock); + } +} + + +int +websocket_data_handler(struct mg_connection *conn, + int flags, + char *data, + size_t data_len, + void *_ignored) +{ + + const struct mg_request_info *rq = mg_get_request_info(conn); + tWebSockInfo *wsock = (tWebSockInfo *)rq->conn_data; + struct mg_context *ctx = mg_get_context(conn); + tWebSockContext *ws_ctx = (tWebSockContext *)mg_get_user_data(ctx); + char msg[128]; + + mg_lock_context(ctx); + if (flags == 136) { + // close websock + websocket_done(ws_ctx, wsock); + mg_set_user_connection_data(conn, NULL); + mg_unlock_context(ctx); + return 1; + } + if (((data_len >= 5) && (data_len < 100) && (flags == 129)) + || (flags == 130)) { + + // init command + if ((wsock->webSockState == 1) && (!memcmp(data, "init ", 5))) { + char *chk; + unsigned long gid; + memcpy(msg, data + 5, data_len - 5); + msg[data_len - 5] = 0; + gid = strtoul(msg, &chk, 10); + wsock->initId = gid; + if (gid > 0 && chk != NULL && *chk == 0) { + wsock->webSockState = 2; + } + mg_unlock_context(ctx); + return 1; + } + + // chat message + if ((wsock->webSockState == 2) && (!memcmp(data, "msg ", 4))) { + send_to_all_websockets(ctx, data, data_len); + mg_unlock_context(ctx); + return 1; + } + } + + // keep alive + if ((data_len == 4) && !memcmp(data, "ping", 4)) { + mg_unlock_context(ctx); + return 1; + } + + mg_unlock_context(ctx); + return 0; +} + + +void +connection_close_handler(const struct mg_connection *conn, void *_ignored) +{ + + const struct mg_request_info *rq = mg_get_request_info(conn); + tWebSockInfo *wsock = (tWebSockInfo *)rq->conn_data; + struct mg_context *ctx = mg_get_context(conn); + tWebSockContext *ws_ctx = (tWebSockContext *)mg_get_user_data(ctx); + + mg_lock_context(ctx); + websocket_done(ws_ctx, wsock); + mg_set_user_connection_data(conn, NULL); + mg_unlock_context(ctx); +} + + +static void * +eventMain(void *arg) +{ + + char msg[256]; + struct mg_context *ctx = (struct mg_context *)arg; + tWebSockContext *ws_ctx = (tWebSockContext *)mg_get_user_data(ctx); + + ws_ctx->runLoop = 1; + while (ws_ctx->runLoop) { + time_t t = time(0); + struct tm *timestr = localtime(&t); + strftime(msg, sizeof(msg), "title %c", timestr); + send_to_all_websockets(ctx, msg, strlen(msg)); + + mg_sleep(1000); + } + + return NULL; +} + + +void +websock_send_broadcast(struct mg_context *ctx, const char *data, int data_len) +{ + + char buffer[260]; + + if (data_len <= 256) { + strcpy(buffer, "msg "); + memcpy(buffer + 4, data, data_len); + + send_to_all_websockets(ctx, buffer, data_len + 4); + } +} + + +void +websock_init_lib(const struct mg_context *ctx) +{ + + tWebSockContext *ws_ctx = (tWebSockContext *)mg_get_user_data(ctx); + memset(ws_ctx, 0, sizeof(*ws_ctx)); + /* todo: use mg_start_thread_id instead of mg_start_thread */ + mg_start_thread(eventMain, (void *)ctx); +} + + +void +websock_exit_lib(const struct mg_context *ctx) +{ + + tWebSockContext *ws_ctx = (tWebSockContext *)mg_get_user_data(ctx); + ws_ctx->runLoop = 0; + /* todo: wait for the thread instead of a timeout */ + mg_sleep(2000); +} diff --git a/src/civetweb/examples/_obsolete/websocket/WebSockCallbacks.h b/src/civetweb/examples/_obsolete/websocket/WebSockCallbacks.h new file mode 100644 index 000000000..f44821daf --- /dev/null +++ b/src/civetweb/examples/_obsolete/websocket/WebSockCallbacks.h @@ -0,0 +1,44 @@ + +#ifndef WEBSOCKCALLBACKS_H_INCLUDED +#define WEBSOCKCALLBACKS_H_INCLUDED + +#include "civetweb.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct tWebSockInfo { + int webSockState; + unsigned long initId; + struct mg_connection *conn; +} tWebSockInfo; + +#define MAX_NUM_OF_WEBSOCKS (256) +typedef struct tWebSockContext { + int runLoop; + void *thread_id; + tWebSockInfo *socketList[MAX_NUM_OF_WEBSOCKS]; +} tWebSockContext; + + +void websock_init_lib(const struct mg_context *ctx); +void websock_exit_lib(const struct mg_context *ctx); + +void +websock_send_broadcast(struct mg_context *ctx, const char *data, int data_len); + +void websocket_ready_handler(struct mg_connection *conn, void *_ignored); +int websocket_data_handler(struct mg_connection *conn, + int flags, + char *data, + size_t data_len, + void *_ignored); +void connection_close_handler(const struct mg_connection *conn, void *_ignored); + + +#ifdef __cplusplus +} +#endif + +#endif
\ No newline at end of file diff --git a/src/civetweb/examples/_obsolete/websocket/websock.htm b/src/civetweb/examples/_obsolete/websocket/websock.htm new file mode 100644 index 000000000..4ff3a5fae --- /dev/null +++ b/src/civetweb/examples/_obsolete/websocket/websock.htm @@ -0,0 +1,55 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+ <title>Test</title>
+ <script type='text/javascript' language="javascript">
+ <!--
+ var connection;
+ var keepAlive = false;
+
+ function webSockKeepAlive() {
+ if (keepAlive) {
+ connection.send('ping'); // Send the message 'ping' to the server
+ setTimeout("webSockKeepAlive()", 10000);
+ }
+ }
+
+ function load() {
+ connection = new WebSocket("ws://127.0.0.1/MyWebSock");
+
+ connection.onopen = function () {
+ var send = "init " + Math.round(Math.random()*4294967294+1);
+ console.log('Client: ' + send);
+ connection.send(send);
+ keepAlive = true;
+ webSockKeepAlive();
+ };
+
+ connection.onerror = function (error) {
+ keepAlive = false;
+ connection.close();
+ console.log('WebSocket error: ' + error);
+ alert("WebSocket error");
+ };
+
+ connection.onmessage = function (e) {
+ console.log('Server: ' + e.data);
+ if (e.data.substring(0,5) == "title") {window.document.title = e.data.substring(6);}
+ else if (e.data.substring(0,3) == "msg") {
+ var msgStr = document.getElementById('msg');
+ msgStr.innerHTML = msgStr.innerHTML + e.data.substring(4);
+ }
+ };
+ }
+ //-->
+ </script>
+
+</head>
+<body onload="load()">
+ <input type="button" onclick="connection.send('msg A');" value="A"></button>
+ <input type="button" onclick="connection.send('msg B');" value="B"></button>
+ <input type="button" onclick="connection.send('msg C');" value="C"></button>
+ <input type="button" onclick="connection.send('msg D');" value="D"></button>
+ <b id="msg"></b>
+</body>
+</html>
\ No newline at end of file diff --git a/src/civetweb/examples/_obsolete/websocket/websocket.c b/src/civetweb/examples/_obsolete/websocket/websocket.c new file mode 100644 index 000000000..3aadf98b8 --- /dev/null +++ b/src/civetweb/examples/_obsolete/websocket/websocket.c @@ -0,0 +1,65 @@ +/* This example uses deprecated interfaces: global websocket callbacks. + They have been superseeded by URI specific callbacks. + See examples/embedded_c for an up to date example. + */ + +#include <stdio.h> +#include <ctype.h> +#include <string.h> + +#include "civetweb.h" +#include "WebSockCallbacks.h" + +int +main(void) +{ + struct mg_context *ctx = 0; + struct mg_callbacks callback_funcs = {0}; + tWebSockContext ws_ctx; + char inbuf[4]; + + const char *server_options[] = { + /* document_root: The path to the test function websock.htm */ + "document_root", + "../../examples/websocket", + + /* port: use http standard to match websocket url in websock.htm: + ws://127.0.0.1/MyWebSock */ + /* if the port is changed here, it needs to be changed in + websock.htm as well */ + "listening_ports", + "80", + + NULL}; + + callback_funcs.init_context = websock_init_lib; + callback_funcs.exit_context = websock_exit_lib; + + ctx = mg_start(&callback_funcs, &ws_ctx, server_options); + + mg_set_websocket_handler(ctx, + "/MyWebSock", + NULL, + websocket_ready_handler, + websocket_data_handler, + connection_close_handler, + NULL); + + printf("Connect to localhost:%s/websock.htm\n", + mg_get_option(ctx, "listening_ports")); + + puts("Enter an (ASCII) character or * to exit:"); + for (;;) { + fgets(inbuf, sizeof(inbuf), stdin); + + if (inbuf[0] == '*') { + break; + } + inbuf[0] = toupper(inbuf[0]); + websock_send_broadcast(ctx, inbuf, 1); + } + + mg_stop(ctx); + + return 0; +} diff --git a/src/civetweb/examples/_obsolete/websocket_client/Makefile b/src/civetweb/examples/_obsolete/websocket_client/Makefile new file mode 100644 index 000000000..e3ef13468 --- /dev/null +++ b/src/civetweb/examples/_obsolete/websocket_client/Makefile @@ -0,0 +1,37 @@ +# +# Copyright (c) 2014 Jordan Shelley +# https://github.com/jshelley +# License http://opensource.org/licenses/mit-license.php MIT License +# + +#This makefile is used to test the other Makefiles + + +PROG = websocket_client +SRC = websocket_client.c + +TOP = ../.. +CIVETWEB_LIB = libcivetweb.a + +CFLAGS = -I$(TOP)/include $(COPT) +LIBS = -lpthread + +include $(TOP)/resources/Makefile.in-os + +ifeq ($(TARGET_OS),LINUX) + LIBS += -ldl +endif + +all: $(PROG) + +$(PROG): $(CIVETWEB_LIB) $(SRC) + $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(SRC) $(CIVETWEB_LIB) $(LIBS) + +$(CIVETWEB_LIB): + $(MAKE) -C $(TOP) clean lib WITH_WEBSOCKET=1 + cp $(TOP)/$(CIVETWEB_LIB) . + +clean: + rm -f $(CIVETWEB_LIB) $(PROG) + +.PHONY: all clean diff --git a/src/civetweb/examples/_obsolete/websocket_client/ssl/server.crt b/src/civetweb/examples/_obsolete/websocket_client/ssl/server.crt new file mode 100644 index 000000000..a26359abf --- /dev/null +++ b/src/civetweb/examples/_obsolete/websocket_client/ssl/server.crt @@ -0,0 +1,13 @@ +-----BEGIN CERTIFICATE----- +MIICATCCAWoCCQC2BCIqIvgSUTANBgkqhkiG9w0BAQUFADBFMQswCQYDVQQGEwJB +VTETMBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0 +cyBQdHkgTHRkMB4XDTE0MDgyMTEyMzAwMVoXDTI0MDgxODEyMzAwMVowRTELMAkG +A1UEBhMCQVUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0 +IFdpZGdpdHMgUHR5IEx0ZDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA9k9s +gH22BCo9neTeB/YnilK7n0sMe0+pjS9KSWhU59Q4w8hqPrW0tuYikIDd0wVggkJF +BZNg4WPoulTdwXsgNBeG88q2wnNtUosXTS+KQTQBSiQof9Ay9GHQtgxnogI1zIXb +HOppyyG5zre8a/X6fzDOnFc4iJMBwxTAnjCqObkCAwEAATANBgkqhkiG9w0BAQUF +AAOBgQBX9V46VUVsB9P9fb8sFuMx2ezFE42ynEeJPrKRrof+dFYbjvR1OUZFSLCy +aZKwVH7iCnVBJiU12JxO7PR3L6ob3FYPyNHQWYq1/IFUvqBRagehldj5H8iFeEDz +Wtz2+p1rUyVxcSUqTjobaji0aC8lzPZio0nd1KKM6A92/adHyQ== +-----END CERTIFICATE----- diff --git a/src/civetweb/examples/_obsolete/websocket_client/ssl/server.csr b/src/civetweb/examples/_obsolete/websocket_client/ssl/server.csr new file mode 100644 index 000000000..4d4723b24 --- /dev/null +++ b/src/civetweb/examples/_obsolete/websocket_client/ssl/server.csr @@ -0,0 +1,11 @@ +-----BEGIN CERTIFICATE REQUEST----- +MIIBhDCB7gIBADBFMQswCQYDVQQGEwJBVTETMBEGA1UECAwKU29tZS1TdGF0ZTEh +MB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMIGfMA0GCSqGSIb3DQEB +AQUAA4GNADCBiQKBgQD2T2yAfbYEKj2d5N4H9ieKUrufSwx7T6mNL0pJaFTn1DjD +yGo+tbS25iKQgN3TBWCCQkUFk2DhY+i6VN3BeyA0F4bzyrbCc21SixdNL4pBNAFK +JCh/0DL0YdC2DGeiAjXMhdsc6mnLIbnOt7xr9fp/MM6cVziIkwHDFMCeMKo5uQID +AQABoAAwDQYJKoZIhvcNAQEFBQADgYEA1EOFwyFJ2NAnRNktZCy5yVcLx9C78HoC +oHPPCOElu0VDIqe6ZecYdaqWbYlhGE0+isbOQn2CwHOeBGN8mIDsNUYzVEpsEfgg +9OK873LpE5pf4mdjSiRBXkk/h8BxuqkcKi+Qx+qEE7+dH2nK5aKeIHVvbLyfGOch +9I85q+msBNE= +-----END CERTIFICATE REQUEST----- diff --git a/src/civetweb/examples/_obsolete/websocket_client/ssl/server.key b/src/civetweb/examples/_obsolete/websocket_client/ssl/server.key new file mode 100644 index 000000000..f09cc38cb --- /dev/null +++ b/src/civetweb/examples/_obsolete/websocket_client/ssl/server.key @@ -0,0 +1,15 @@ +-----BEGIN RSA PRIVATE KEY----- +MIICXQIBAAKBgQD2T2yAfbYEKj2d5N4H9ieKUrufSwx7T6mNL0pJaFTn1DjDyGo+ +tbS25iKQgN3TBWCCQkUFk2DhY+i6VN3BeyA0F4bzyrbCc21SixdNL4pBNAFKJCh/ +0DL0YdC2DGeiAjXMhdsc6mnLIbnOt7xr9fp/MM6cVziIkwHDFMCeMKo5uQIDAQAB +AoGAYwospr3lomcZv5N3c9wWqhf6OWMD8dFma87IIBxDh7Rd3tuHXQ/TSnffDhvD +FkbjN31OI5/PJNH3knTtdg78MywPloE4jYsbt4+fEaW7Fzww2nU61N1p+mYk5d/b +SCTAHhGzF9g9ZMw25CCUFGjDU2z+Ty6my22Euxhk2Qq8tMECQQD9ZYIxWkPhywDW +pX3v70dqIv7411hEYpuL/ZJl26UCmQsj4HPtXQCraQksVPs74WY5aTtd6MAV9V3M +UnErHO5/AkEA+NdG2MmfBOBPusDB/WwQaUPiCWGITS9llGTR2JXbvDqmKgL1+UTG +o27sLNIFCrF1wejpyRGqwjcObFYR0yKrxwJBAOB2uPuK4DL1psp9Uq/mIDbOxVod +OF1rlCpP9w0vol5Iv+uJ+mc7SUqOAsg4h0yl/+2/YA1yDiXlcq96IDF2sXUCQGAv +Nh9Nr72+xpK1N0axopZNuu1NWdYb3/PAFKzXIBxdvyS2CEXVo8JAeeHJPFGpzo6p +bNRfk9WGWnjdu/4UhLkCQQCekR9zpIpzdJiPYCd6XMya+TPCDYlOQL1jlnJIRa2V +BEOz0rSpzXAGh0PyCB/kMneyVk87LWn8joE6179RoUfv +-----END RSA PRIVATE KEY----- diff --git a/src/civetweb/examples/_obsolete/websocket_client/ssl/server.key.orig b/src/civetweb/examples/_obsolete/websocket_client/ssl/server.key.orig new file mode 100644 index 000000000..58e5653ca --- /dev/null +++ b/src/civetweb/examples/_obsolete/websocket_client/ssl/server.key.orig @@ -0,0 +1,18 @@ +-----BEGIN RSA PRIVATE KEY----- +Proc-Type: 4,ENCRYPTED +DEK-Info: DES-EDE3-CBC,89778A6427F05D4A + +4aXqO/8oCHVfMLB+a1DfjbXyEddjbd7nB+YVFLPKy68Tam9PRTvC1zRHBet59ll0 +1w7R8tXR6/xH7HRhBeqDHCcuvBhtw3xGxtXWv54WBFhzuq7TvKOAaCFl++cw/JHq +PCS0rAaYnqF2MAgMi7QBjZKmHFHL43Gy60VfOrB0mmOdxqqXA0NBFC2uEd7Z/MAx +S2A85bNJJKQaWEeDThP1u0OOlNCq99lkLJ31jiOH7ntdL0/vqcbZ+PUtdPLwAG4L +1GUHuiC2v5FvDlPiejMk2dvrxCNpcu2e3tQKHpg2KcsTVrpB7EVzRSazln4HywUZ +EJfBvxqqrS7plImZgj4LXSnln0JPuBb+aHnhKIFvisjYSwqDGJnnp/OaD7YdRhYh +UCcL011Ge+yUbRipeAmHdtJlSUSdB14KWq+WdIX/KgCRGx06QZm9s1PBLH+fww+I +EL3A/LFX0a5KUHkCp29akYYv9bUYaQ79Nt7BlaEON+/SW3pJMbGr+nx8aqogr0Yo +SJ/Zz5TSDBhecRjbCDGkT6DizVZ8cbm2xl8QLBd0H+ZA6uYMgfpAOJGrJx3Nm4Lv +prEApgFtjSrsQDGYHAcmDMW1UWOVHuNp7BSvwUze9Ftnzr/jlpdzES2rhgMyGhg1 +0Szbsfs3vgw4iM83LFJXza07GQJzF8gRF79dY5JiQX/sOKUprA6Lofk631jE0G8r +3z59cxblaq9y7EgFsE944Gk7/HIEimBRiqIZzGVJVukD0itynQ+XmYTdbyH1lpvi +c0ZheZPUoGwUW9RYy+nle5gEDFyZWXcCAuJasQvDBXt//r/bso3ZpA== +-----END RSA PRIVATE KEY----- diff --git a/src/civetweb/examples/_obsolete/websocket_client/ssl/server.pem b/src/civetweb/examples/_obsolete/websocket_client/ssl/server.pem new file mode 100644 index 000000000..300834e39 --- /dev/null +++ b/src/civetweb/examples/_obsolete/websocket_client/ssl/server.pem @@ -0,0 +1,28 @@ +-----BEGIN CERTIFICATE----- +MIICATCCAWoCCQC2BCIqIvgSUTANBgkqhkiG9w0BAQUFADBFMQswCQYDVQQGEwJB +VTETMBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0 +cyBQdHkgTHRkMB4XDTE0MDgyMTEyMzAwMVoXDTI0MDgxODEyMzAwMVowRTELMAkG +A1UEBhMCQVUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0 +IFdpZGdpdHMgUHR5IEx0ZDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA9k9s +gH22BCo9neTeB/YnilK7n0sMe0+pjS9KSWhU59Q4w8hqPrW0tuYikIDd0wVggkJF +BZNg4WPoulTdwXsgNBeG88q2wnNtUosXTS+KQTQBSiQof9Ay9GHQtgxnogI1zIXb +HOppyyG5zre8a/X6fzDOnFc4iJMBwxTAnjCqObkCAwEAATANBgkqhkiG9w0BAQUF +AAOBgQBX9V46VUVsB9P9fb8sFuMx2ezFE42ynEeJPrKRrof+dFYbjvR1OUZFSLCy +aZKwVH7iCnVBJiU12JxO7PR3L6ob3FYPyNHQWYq1/IFUvqBRagehldj5H8iFeEDz +Wtz2+p1rUyVxcSUqTjobaji0aC8lzPZio0nd1KKM6A92/adHyQ== +-----END CERTIFICATE----- +-----BEGIN RSA PRIVATE KEY----- +MIICXQIBAAKBgQD2T2yAfbYEKj2d5N4H9ieKUrufSwx7T6mNL0pJaFTn1DjDyGo+ +tbS25iKQgN3TBWCCQkUFk2DhY+i6VN3BeyA0F4bzyrbCc21SixdNL4pBNAFKJCh/ +0DL0YdC2DGeiAjXMhdsc6mnLIbnOt7xr9fp/MM6cVziIkwHDFMCeMKo5uQIDAQAB +AoGAYwospr3lomcZv5N3c9wWqhf6OWMD8dFma87IIBxDh7Rd3tuHXQ/TSnffDhvD +FkbjN31OI5/PJNH3knTtdg78MywPloE4jYsbt4+fEaW7Fzww2nU61N1p+mYk5d/b +SCTAHhGzF9g9ZMw25CCUFGjDU2z+Ty6my22Euxhk2Qq8tMECQQD9ZYIxWkPhywDW +pX3v70dqIv7411hEYpuL/ZJl26UCmQsj4HPtXQCraQksVPs74WY5aTtd6MAV9V3M +UnErHO5/AkEA+NdG2MmfBOBPusDB/WwQaUPiCWGITS9llGTR2JXbvDqmKgL1+UTG +o27sLNIFCrF1wejpyRGqwjcObFYR0yKrxwJBAOB2uPuK4DL1psp9Uq/mIDbOxVod +OF1rlCpP9w0vol5Iv+uJ+mc7SUqOAsg4h0yl/+2/YA1yDiXlcq96IDF2sXUCQGAv +Nh9Nr72+xpK1N0axopZNuu1NWdYb3/PAFKzXIBxdvyS2CEXVo8JAeeHJPFGpzo6p +bNRfk9WGWnjdu/4UhLkCQQCekR9zpIpzdJiPYCd6XMya+TPCDYlOQL1jlnJIRa2V +BEOz0rSpzXAGh0PyCB/kMneyVk87LWn8joE6179RoUfv +-----END RSA PRIVATE KEY----- diff --git a/src/civetweb/examples/_obsolete/websocket_client/websocket_client.c b/src/civetweb/examples/_obsolete/websocket_client/websocket_client.c new file mode 100644 index 000000000..158ad7d85 --- /dev/null +++ b/src/civetweb/examples/_obsolete/websocket_client/websocket_client.c @@ -0,0 +1,421 @@ +/* +* Copyright (c) 2014-2016 the Civetweb developers +* Copyright (c) 2014 Jordan Shelley +* https://github.com/jshelley +* License http://opensource.org/licenses/mit-license.php MIT License +*/ + +/* This example is superseeded by other examples, and no longer + * actively maintained. + * See examples/embedded_c for an up to date example. + */ + +// Simple example program on how to use websocket client embedded C interface. +#ifdef _WIN32 +#include <windows.h> +#define sleep(x) Sleep(1000 * (x)) +#else +#include <unistd.h> +#endif + +#include <assert.h> +#include <string.h> +#include "civetweb.h" + +#define DOCUMENT_ROOT "." +#define PORT "8888" +#define SSL_CERT "./ssl/server.pem" + +const char *websocket_welcome_msg = "websocket welcome\n"; +const size_t websocket_welcome_msg_len = 18 /* strlen(websocket_welcome_msg) */; +const char *websocket_acknowledge_msg = "websocket msg ok\n"; +const size_t websocket_acknowledge_msg_len = + 17 /* strlen(websocket_acknowledge_msg) */; +const char *websocket_goodbye_msg = "websocket bye\n"; +const size_t websocket_goodbye_msg_len = 14 /* strlen(websocket_goodbye_msg) */; + + +/*************************************************************************************/ +/* WEBSOCKET SERVER */ +/*************************************************************************************/ +#if defined(MG_LEGACY_INTERFACE) +int +websock_server_connect(const struct mg_connection *conn) +#else +int +websocket_server_connect(const struct mg_connection *conn, void *_ignored) +#endif +{ + printf("Server: Websocket connected\n"); + return 0; /* return 0 to accept every connection */ +} + + +#if defined(MG_LEGACY_INTERFACE) +void +websocket_server_ready(struct mg_connection *conn) +#else +void +websocket_server_ready(struct mg_connection *conn, void *_ignored) +#endif +{ + printf("Server: Websocket ready\n"); + + /* Send websocket welcome message */ + mg_lock_connection(conn); + mg_websocket_write(conn, + WEBSOCKET_OPCODE_TEXT, + websocket_welcome_msg, + websocket_welcome_msg_len); + mg_unlock_connection(conn); +} + + +#if defined(MG_LEGACY_INTERFACE) +int +websocket_server_data(struct mg_connection *conn, + int bits, + char *data, + size_t data_len) +#else +int +websocket_server_data(struct mg_connection *conn, + int bits, + char *data, + size_t data_len, + void *_ignored) +#endif +{ + printf("Server: Got %lu bytes from the client\n", (unsigned long)data_len); + printf("Server received data from client: "); + fwrite(data, 1, data_len, stdout); + printf("\n"); + + if (data_len < 3 || 0 != memcmp(data, "bye", 3)) { + /* Send websocket acknowledge message */ + mg_lock_connection(conn); + mg_websocket_write(conn, + WEBSOCKET_OPCODE_TEXT, + websocket_acknowledge_msg, + websocket_acknowledge_msg_len); + mg_unlock_connection(conn); + } else { + /* Send websocket acknowledge message */ + mg_lock_connection(conn); + mg_websocket_write(conn, + WEBSOCKET_OPCODE_TEXT, + websocket_goodbye_msg, + websocket_goodbye_msg_len); + mg_unlock_connection(conn); + } + + return 1; /* return 1 to keep the connetion open */ +} + + +#if defined(MG_LEGACY_INTERFACE) +void +websocket_server_connection_close(const struct mg_connection *conn) +#else +void +websocket_server_connection_close(const struct mg_connection *conn, + void *_ignored) +#endif +{ + printf("Server: Close connection\n"); + + /* Can not send a websocket goodbye message here - the connection is already + * closed */ +} + + +struct mg_context * +start_websocket_server() +{ + const char *options[] = {"document_root", + DOCUMENT_ROOT, + "ssl_certificate", + SSL_CERT, + "listening_ports", + PORT, + "request_timeout_ms", + "5000", + 0}; + struct mg_callbacks callbacks; + struct mg_context *ctx; + + memset(&callbacks, 0, sizeof(callbacks)); + +#if defined(MG_LEGACY_INTERFACE) + /* Obsolete: */ + callbacks.websocket_connect = websock_server_connect; + callbacks.websocket_ready = websocket_server_ready; + callbacks.websocket_data = websocket_server_data; + callbacks.connection_close = websocket_server_connection_close; + + ctx = mg_start(&callbacks, 0, options); +#else + /* New interface: */ + ctx = mg_start(&callbacks, 0, options); + + mg_set_websocket_handler(ctx, + "/websocket", + websocket_server_connect, + websocket_server_ready, + websocket_server_data, + websocket_server_connection_close, + NULL); +#endif + + return ctx; +} + + +/*************************************************************************************/ +/* WEBSOCKET CLIENT */ +/*************************************************************************************/ +struct tclient_data { + void *data; + size_t len; + int closed; +}; + +static int +websocket_client_data_handler(struct mg_connection *conn, + int flags, + char *data, + size_t data_len, + void *user_data) +{ + struct mg_context *ctx = mg_get_context(conn); + struct tclient_data *pclient_data = + (struct tclient_data *)mg_get_user_data(ctx); + + printf("Client received data from server: "); + fwrite(data, 1, data_len, stdout); + printf("\n"); + + pclient_data->data = malloc(data_len); + assert(pclient_data->data != NULL); + memcpy(pclient_data->data, data, data_len); + pclient_data->len = data_len; + + return 1; +} + +static void +websocket_client_close_handler(const struct mg_connection *conn, + void *user_data) +{ + struct mg_context *ctx = mg_get_context(conn); + struct tclient_data *pclient_data = + (struct tclient_data *)mg_get_user_data(ctx); + + printf("Client: Close handler\n"); + pclient_data->closed++; +} + + +int +main(int argc, char *argv[]) +{ + struct mg_context *ctx = NULL; + struct tclient_data client1_data = {NULL, 0, 0}; + struct tclient_data client2_data = {NULL, 0, 0}; + struct tclient_data client3_data = {NULL, 0, 0}; + struct mg_connection *newconn1 = NULL; + struct mg_connection *newconn2 = NULL; + struct mg_connection *newconn3 = NULL; + char ebuf[100] = {0}; + + assert(websocket_welcome_msg_len == strlen(websocket_welcome_msg)); + + /* First set up a websocket server */ + ctx = start_websocket_server(); + assert(ctx != NULL); + printf("Server init\n\n"); + + /* Then connect a first client */ + newconn1 = mg_connect_websocket_client("localhost", + atoi(PORT), + 0, + ebuf, + sizeof(ebuf), + "/websocket", + NULL, + websocket_client_data_handler, + websocket_client_close_handler, + &client1_data); + + if (newconn1 == NULL) { + printf("Error: %s", ebuf); + return 1; + } + + sleep(1); /* Should get the websocket welcome message */ + assert(client1_data.closed == 0); + assert(client2_data.closed == 0); + assert(client2_data.data == NULL); + assert(client2_data.len == 0); + assert(client1_data.data != NULL); + assert(client1_data.len == websocket_welcome_msg_len); + assert(!memcmp(client1_data.data, + websocket_welcome_msg, + websocket_welcome_msg_len)); + free(client1_data.data); + client1_data.data = NULL; + client1_data.len = 0; + + mg_websocket_client_write(newconn1, WEBSOCKET_OPCODE_TEXT, "data1", 5); + + sleep(1); /* Should get the acknowledge message */ + assert(client1_data.closed == 0); + assert(client2_data.closed == 0); + assert(client2_data.data == NULL); + assert(client2_data.len == 0); + assert(client1_data.data != NULL); + assert(client1_data.len == websocket_acknowledge_msg_len); + assert(!memcmp(client1_data.data, + websocket_acknowledge_msg, + websocket_acknowledge_msg_len)); + free(client1_data.data); + client1_data.data = NULL; + client1_data.len = 0; + + /* Now connect a second client */ + newconn2 = mg_connect_websocket_client("localhost", + atoi(PORT), + 0, + ebuf, + sizeof(ebuf), + "/websocket", + NULL, + websocket_client_data_handler, + websocket_client_close_handler, + &client2_data); + + if (newconn2 == NULL) { + printf("Error: %s", ebuf); + return 1; + } + + sleep(1); /* Client 2 should get the websocket welcome message */ + assert(client1_data.closed == 0); + assert(client2_data.closed == 0); + assert(client1_data.data == NULL); + assert(client1_data.len == 0); + assert(client2_data.data != NULL); + assert(client2_data.len == websocket_welcome_msg_len); + assert(!memcmp(client2_data.data, + websocket_welcome_msg, + websocket_welcome_msg_len)); + free(client2_data.data); + client2_data.data = NULL; + client2_data.len = 0; + + mg_websocket_client_write(newconn1, WEBSOCKET_OPCODE_TEXT, "data2", 5); + + sleep(1); /* Should get the acknowledge message */ + assert(client1_data.closed == 0); + assert(client2_data.closed == 0); + assert(client2_data.data == NULL); + assert(client2_data.len == 0); + assert(client1_data.data != NULL); + assert(client1_data.len == websocket_acknowledge_msg_len); + assert(!memcmp(client1_data.data, + websocket_acknowledge_msg, + websocket_acknowledge_msg_len)); + free(client1_data.data); + client1_data.data = NULL; + client1_data.len = 0; + + mg_websocket_client_write(newconn1, WEBSOCKET_OPCODE_TEXT, "bye", 3); + + sleep(1); /* Should get the goodbye message */ + assert(client1_data.closed == 0); + assert(client2_data.closed == 0); + assert(client2_data.data == NULL); + assert(client2_data.len == 0); + assert(client1_data.data != NULL); + assert(client1_data.len == websocket_goodbye_msg_len); + assert(!memcmp(client1_data.data, + websocket_goodbye_msg, + websocket_goodbye_msg_len)); + free(client1_data.data); + client1_data.data = NULL; + client1_data.len = 0; + + mg_close_connection(newconn1); + + sleep(1); /* Won't get any message */ + assert(client1_data.closed == 1); + assert(client2_data.closed == 0); + assert(client1_data.data == NULL); + assert(client1_data.len == 0); + assert(client2_data.data == NULL); + assert(client2_data.len == 0); + + mg_websocket_client_write(newconn2, WEBSOCKET_OPCODE_TEXT, "bye", 3); + + sleep(1); /* Should get the goodbye message */ + assert(client1_data.closed == 1); + assert(client2_data.closed == 0); + assert(client1_data.data == NULL); + assert(client1_data.len == 0); + assert(client2_data.data != NULL); + assert(client2_data.len == websocket_goodbye_msg_len); + assert(!memcmp(client2_data.data, + websocket_goodbye_msg, + websocket_goodbye_msg_len)); + free(client2_data.data); + client2_data.data = NULL; + client2_data.len = 0; + + mg_close_connection(newconn2); + + sleep(1); /* Won't get any message */ + assert(client1_data.closed == 1); + assert(client2_data.closed == 1); + assert(client1_data.data == NULL); + assert(client1_data.len == 0); + assert(client2_data.data == NULL); + assert(client2_data.len == 0); + + /* Connect client 3 */ + newconn3 = mg_connect_websocket_client("localhost", + atoi(PORT), + 0, + ebuf, + sizeof(ebuf), + "/websocket", + NULL, + websocket_client_data_handler, + websocket_client_close_handler, + &client3_data); + + sleep(1); /* Client 3 should get the websocket welcome message */ + assert(client1_data.closed == 1); + assert(client2_data.closed == 1); + assert(client3_data.closed == 0); + assert(client1_data.data == NULL); + assert(client1_data.len == 0); + assert(client2_data.data == NULL); + assert(client2_data.len == 0); + assert(client3_data.data != NULL); + assert(client3_data.len == websocket_welcome_msg_len); + assert(!memcmp(client3_data.data, + websocket_welcome_msg, + websocket_welcome_msg_len)); + free(client3_data.data); + client3_data.data = NULL; + client3_data.len = 0; + + mg_stop(ctx); + printf("Server shutdown\n"); + + sleep(10); + + assert(client3_data.closed == 1); + + return 0; +} diff --git a/src/civetweb/examples/_obsolete/ws_server/Makefile b/src/civetweb/examples/_obsolete/ws_server/Makefile new file mode 100644 index 000000000..60d9dbedb --- /dev/null +++ b/src/civetweb/examples/_obsolete/ws_server/Makefile @@ -0,0 +1,36 @@ +# +# Copyright (c) 2013 No Face Press, LLC +# License http://opensource.org/licenses/mit-license.php MIT License +# + +#This makefile is used to test the other Makefiles + + +PROG = ws_server +SRC = ws_server.c + +TOP = ../.. +CIVETWEB_LIB = libcivetweb.a + +CFLAGS = -I$(TOP)/include $(COPT) +LIBS = -lpthread + +include $(TOP)/resources/Makefile.in-os + +ifeq ($(TARGET_OS),LINUX) + LIBS += -ldl -DMG_LEGACY_INTERFACE=1 +endif + +all: $(PROG) + +$(PROG): $(CIVETWEB_LIB) $(SRC) + $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(SRC) $(CIVETWEB_LIB) $(LIBS) + +$(CIVETWEB_LIB): + $(MAKE) -C $(TOP) clean lib WITH_WEBSOCKET=1 + cp $(TOP)/$(CIVETWEB_LIB) . + +clean: + rm -f $(CIVETWEB_LIB) $(PROG) + +.PHONY: all clean diff --git a/src/civetweb/examples/_obsolete/ws_server/docroot/index.html b/src/civetweb/examples/_obsolete/ws_server/docroot/index.html new file mode 100644 index 000000000..f1d1af3eb --- /dev/null +++ b/src/civetweb/examples/_obsolete/ws_server/docroot/index.html @@ -0,0 +1,316 @@ +<!DOCTYPE html> +<html> + +<head> + <meta charset='UTF-8'> + + <title>Websocket Meters</title> + <!-- + Version 0.1 Contributed by William Greathouse 9-Sep-2013 + Simple demo of WebSocket connection use. Not a great example of web coding, + but it is functional. + + The meter displays are adapted from CSS-TRICKS Progress Bars by Chris Coyier + at http://css-tricks.com/css3-progress-bars/ + --> + <style> + body { + background: #222; + } + h1 { + color: white; + text-align: center; + } + button { + width: 225px; + height: 30px; + margin: auto 10px; + background-color: #ccc; + -moz-border-radius: 5px; + -webkit-border-radius: 5px; + border-radius:6px; + color: blue; + font-size: 20px; + } + button:hover { + background-color: #888; + } + button:hover:disabled { + background-color: #ccc; + } + button:disabled { + color: lightgray; + } + + .button_container { + width:550px; + display:block; + margin-left:auto; + margin-right:auto; + } + + .meter { + height: 20px; /* Can be anything */ + position: relative; + background: #555; + -moz-border-radius: 25px; + -webkit-border-radius: 25px; + border-radius: 25px; + padding: 10px; + -webkit-box-shadow: inset 0 -1px 1px rgba(255,255,255,0.3); + -moz-box-shadow : inset 0 -1px 1px rgba(255,255,255,0.3); + box-shadow : inset 0 -1px 1px rgba(255,255,255,0.3); + } + .meter > span { + display: block; + height: 100%; + -webkit-border-top-right-radius: 20px; + -webkit-border-bottom-right-radius: 20px; + -moz-border-radius-topright: 20px; + -moz-border-radius-bottomright: 20px; + border-top-right-radius: 20px; + border-bottom-right-radius: 20px; + -webkit-border-top-left-radius: 20px; + -webkit-border-bottom-left-radius: 20px; + -moz-border-radius-topleft: 20px; + -moz-border-radius-bottomleft: 20px; + border-top-left-radius: 20px; + border-bottom-left-radius: 20px; + background-color: rgb(43,194,83); + background-image: -webkit-gradient( + linear, + left bottom, + left top, + color-stop(0, rgb(43,194,83)), + color-stop(1, rgb(84,240,84)) + ); + background-image: -moz-linear-gradient( + center bottom, + rgb(43,194,83) 37%, + rgb(84,240,84) 69% + ); + -webkit-box-shadow: + inset 0 2px 9px rgba(255,255,255,0.3), + inset 0 -2px 6px rgba(0,0,0,0.4); + -moz-box-shadow: + inset 0 2px 9px rgba(255,255,255,0.3), + inset 0 -2px 6px rgba(0,0,0,0.4); + box-shadow: + inset 0 2px 9px rgba(255,255,255,0.3), + inset 0 -2px 6px rgba(0,0,0,0.4); + position: relative; + overflow: hidden; + } + .meter > span:after, .animate > span > span { + content: ""; + position: absolute; + top: 0; left: 0; bottom: 0; right: 0; + background-image: + -webkit-gradient(linear, 0 0, 100% 100%, + color-stop(.25, rgba(255, 255, 255, .2)), + color-stop(.25, transparent), color-stop(.5, transparent), + color-stop(.5, rgba(255, 255, 255, .2)), + color-stop(.75, rgba(255, 255, 255, .2)), + color-stop(.75, transparent), to(transparent) + ); + background-image: + -moz-linear-gradient( + -45deg, + rgba(255, 255, 255, .2) 25%, + transparent 25%, + transparent 50%, + rgba(255, 255, 255, .2) 50%, + rgba(255, 255, 255, .2) 75%, + transparent 75%, + transparent + ); + z-index: 1; + -webkit-background-size: 50px 50px; + -moz-background-size: 50px 50px; + -webkit-animation: move 2s linear infinite; + -webkit-border-top-right-radius: 20px; + -webkit-border-bottom-right-radius: 20px; + -moz-border-radius-topright: 20px; + -moz-border-radius-bottomright: 20px; + border-top-right-radius: 20px; + border-bottom-right-radius: 20px; + -webkit-border-top-left-radius: 20px; + -webkit-border-bottom-left-radius: 20px; + -moz-border-radius-topleft: 20px; + -moz-border-radius-bottomleft: 20px; + border-top-left-radius: 20px; + border-bottom-left-radius: 20px; + overflow: hidden; + } + + .animate > span:after { + display: none; + } + + @-webkit-keyframes move { + 0% { + background-position: 0 0; + } + 100% { + background-position: 50px 50px; + } + } + + .orange > span { + background-color: #f1a165; + background-image: -moz-linear-gradient(top, #f1a165, #f36d0a); + background-image: -webkit-gradient(linear,left top,left bottom,color-stop(0, #f1a165),color-stop(1, #f36d0a)); + background-image: -webkit-linear-gradient(#f1a165, #f36d0a); + } + + .red > span { + background-color: #f0a3a3; + background-image: -moz-linear-gradient(top, #f0a3a3, #f42323); + background-image: -webkit-gradient(linear,left top,left bottom,color-stop(0, #f0a3a3),color-stop(1, #f42323)); + background-image: -webkit-linear-gradient(#f0a3a3, #f42323); + } + + .nostripes > span > span, .nostripes > span:after { + -webkit-animation: none; + background-image: none; + } + + #output { + background-color: #ccc; + height: 240px; + overflow-y: auto; + } + + </style> +</head> + +<body> + <div id="page_wrap"> + + <h1>Meter Updates via WebSocket</h1> + + <p/> + + <div class="meter"> + <span id="meter1" style="width: 25%"></span> + </div> + + <p/> + + <div class="meter orange nostripes"> + <span id="meter2" style="width: 33.3%"></span> + </div> + + <p/> + + <div class="meter red"> + <span id="meter3" style="width: 80%"></span> + </div> + + <p/> + + </div> + <div class="button_container"> + <div> + <button id="connection" onclick="toggleConnection(this)">WebSocket Connect</button> + <button id="update" disabled onclick="toggleUpdate(this)">Disable Update</button> + </div> + </div> + <p/> + <div id="output"></div> + +</body> + +<script language="javascript" type="text/javascript"> + var connection; // websocket connection + + function writeToScreen (message) { + var div = document.createElement('div'); + var output = document.getElementById('output'); + div.innerHTML = message; + output.appendChild(div); + output.scrollTop = output.scrollHeight; + } + + function ws_connect() { + // check for websocket support + // for Internet Explorer < 10 there are options for websocket support that + // could be integrated into production code, but for now, we are expecting + // browser support to be present for this demo + if ('WebSocket' in window) { + + writeToScreen('Connecting'); + connection = new WebSocket('ws://' + window.location.host + '/meters'); + connection.onopen = function(ev) { + document.getElementById("connection").innerHTML = "WebSocket Disconnect"; + document.getElementById("update").disabled=false; + document.getElementById("update").innerHTML = "Disable Update"; + writeToScreen('CONNECTED'); + var message = 'update on'; + writeToScreen('SENT: ' + message); + connection.send(message); + }; + + connection.onclose = function(ev) { + document.getElementById("update").disabled=true; + document.getElementById("update").innerHTML = "Enable Update"; + document.getElementById("connection").innerHTML = "WebSocket Connect"; + writeToScreen('DISCONNECTED'); + }; + + connection.onmessage = function(ev) { + if (ev.data.substr(0,5) == "meter") + { + var target = ev.data.split(":")[0]; + var meter = document.getElementById(target); + var data = ev.data.split(":")[1].split(","); + var percent = (data[0]*100)/data[1]; + meter.style.width = percent+"%"; + } + else + writeToScreen('RECEIVED: ' + ev.data); + }; + + connection.onerror = function(ev) { + alert("WebSocket error"); + }; + + } else { + alert("WebSocket is not available!!!\n" + + "Demo will not function."); + } + } + + // user connect/disconnect + function toggleConnection(el) { + var tag=el.innerHTML; + if (tag == "WebSocket Connect") + { + ws_connect(); + } + else + { + connection.close(); + } + } + + // user turn updates on/off + function toggleUpdate(el) { + var tag=el.innerHTML; + var message; + if (tag == "Enable Update") + { + message = 'update on'; + el.innerHTML = "Disable Update"; + } + else + { + message = 'update off'; + el.innerHTML = "Enable Update"; + } + writeToScreen('SENT: ' + message); + connection.send(message); + } +</script> + +</html> diff --git a/src/civetweb/examples/_obsolete/ws_server/ws_server.c b/src/civetweb/examples/_obsolete/ws_server/ws_server.c new file mode 100644 index 000000000..575a26a69 --- /dev/null +++ b/src/civetweb/examples/_obsolete/ws_server/ws_server.c @@ -0,0 +1,271 @@ +// Copyright (c) 2004-2012 Sergey Lyubka +// This file is a part of civetweb project, http://github.com/bel2125/civetweb +// +// v 0.1 Contributed by William Greathouse 9-Sep-2013 + +#include <stdio.h> +#include <string.h> +#include <time.h> +#include <unistd.h> + +#include "civetweb.h" + +// simple structure for keeping track of websocket connection +struct ws_connection { + struct mg_connection *conn; + int update; + int closing; +}; + +// time base and structure periodic updates to client for demo +#define BASETIME 100000 /* 0.1 seconds */ +struct progress { + int limit; + int increment; + int period; + int value; +}; + +// up to 16 independent client connections +#define CONNECTIONS 16 +static struct ws_connection ws_conn[CONNECTIONS]; + + +// ws_server_thread() +// Simple demo server thread. Sends periodic updates to connected clients +static void *ws_server_thread(void *parm) +{ + int wsd = (long)parm; + struct mg_connection *conn = ws_conn[wsd].conn; + int timer = 0; + char tstr[32]; + int i; + struct progress meter[] = { + /* first meter 0 to 1000, by 5 every 0.1 second */ + { 1000, 5, 1, 0 }, + /* second meter 0 to 500, by 10 every 0.5 second */ + { 500, 10, 5, 0 }, + /* third meter 0 to 100, by 10 every 1.0 second */ + { 100, 10, 10, 0}, + /* end of list */ + { 0, 0, 0, 0} + }; + + fprintf(stderr, "ws_server_thread %d\n", wsd); + + /* Send initial meter updates */ + for (i=0; meter[i].period != 0; i++) { + if (meter[i].value >= meter[i].limit) + meter[i].value = 0; + if (meter[i].value >= meter[i].limit) + meter[i].value = meter[i].limit; + sprintf(tstr, "meter%d:%d,%d", i+1, + meter[i].value, meter[i].limit); + mg_websocket_write(conn, WEBSOCKET_OPCODE_TEXT, tstr, strlen(tstr)); + } + + /* While the connection is open, send periodic updates */ + while(!ws_conn[wsd].closing) { + usleep(100000); /* 0.1 second */ + timer++; + + /* Send meter updates */ + if (ws_conn[wsd].update) { + for (i=0; meter[i].period != 0; i++) { + if (timer%meter[i].period == 0) { + if (meter[i].value >= meter[i].limit) + meter[i].value = 0; + else + meter[i].value += meter[i].increment; + if (meter[i].value >= meter[i].limit) + meter[i].value = meter[i].limit; + // if we are closing, server should not send new data + if (!ws_conn[wsd].closing) { + sprintf(tstr, "meter%d:%d,%d", i+1, + meter[i].value, meter[i].limit); + mg_websocket_write(conn, WEBSOCKET_OPCODE_TEXT, tstr, strlen(tstr)); + } + } + } + } + + /* Send periodic PING to assure websocket remains connected, except if we are closing */ + if (timer%100 == 0 && !ws_conn[wsd].closing) + mg_websocket_write(conn, WEBSOCKET_OPCODE_PING, NULL, 0); + } + + fprintf(stderr, "ws_server_thread %d exiting\n", wsd); + + // reset connection information to allow reuse by new client + ws_conn[wsd].conn = NULL; + ws_conn[wsd].update = 0; + ws_conn[wsd].closing = 2; + + return NULL; +} + +// websocket_connect_handler() +// On new client connection, find next available server connection and store +// new connection information. If no more server connections are available +// tell civetweb to not accept the client request. +static int websocket_connect_handler(const struct mg_connection *conn) +{ + int i; + + fprintf(stderr, "connect handler\n"); + + for(i=0; i < CONNECTIONS; ++i) { + if (ws_conn[i].conn == NULL) { + fprintf(stderr, "...prep for server %d\n", i); + ws_conn[i].conn = (struct mg_connection *)conn; + ws_conn[i].closing = 0; + ws_conn[i].update = 0; + break; + } + } + if (i >= CONNECTIONS) { + fprintf(stderr, "Refused connection: Max connections exceeded\n"); + return 1; + } + + return 0; +} + +// websocket_ready_handler() +// Once websocket negotiation is complete, start a server for the connection +static void websocket_ready_handler(struct mg_connection *conn) +{ + int i; + + fprintf(stderr, "ready handler\n"); + + for(i=0; i < CONNECTIONS; ++i) { + if (ws_conn[i].conn == conn) { + fprintf(stderr, "...start server %d\n", i); + mg_start_thread(ws_server_thread, (void *)(long)i); + break; + } + } +} + +// websocket_close_handler() +// When websocket is closed, tell the associated server to shut down +static void websocket_close_handler(struct mg_connection *conn) +{ + int i; + + //fprintf(stderr, "close handler\n"); /* called for every close, not just websockets */ + + for(i=0; i < CONNECTIONS; ++i) { + if (ws_conn[i].conn == conn) { + fprintf(stderr, "...close server %d\n", i); + ws_conn[i].closing = 1; + } + } +} + +// Arguments: +// flags: first byte of websocket frame, see websocket RFC, +// http://tools.ietf.org/html/rfc6455, section 5.2 +// data, data_len: payload data. Mask, if any, is already applied. +static int websocket_data_handler(struct mg_connection *conn, int flags, + char *data, size_t data_len) +{ + int i; + int wsd; + + for(i=0; i < CONNECTIONS; ++i) { + if (ws_conn[i].conn == conn) { + wsd = i; + break; + } + } + if (i >= CONNECTIONS) { + fprintf(stderr, "Received websocket data from unknown connection\n"); + return 1; + } + + if (flags & 0x80) { + flags &= 0x7f; + switch (flags) { + case WEBSOCKET_OPCODE_CONTINUATION: + fprintf(stderr, "CONTINUATION...\n"); + break; + case WEBSOCKET_OPCODE_TEXT: + fprintf(stderr, "TEXT: %-.*s\n", (int)data_len, data); + /*** interpret data as commands here ***/ + if (strncmp("update on", data, data_len)== 0) { + /* turn on updates */ + ws_conn[wsd].update = 1; + /* echo back */ + mg_websocket_write(conn, WEBSOCKET_OPCODE_TEXT, data, data_len); + } else if (strncmp("update off", data, data_len)== 0) { + /* turn off updates */ + ws_conn[wsd].update = 0; + /* echo back */ + mg_websocket_write(conn, WEBSOCKET_OPCODE_TEXT, data, data_len); + } + break; + case WEBSOCKET_OPCODE_BINARY: + fprintf(stderr, "BINARY...\n"); + break; + case WEBSOCKET_OPCODE_CONNECTION_CLOSE: + fprintf(stderr, "CLOSE...\n"); + /* If client initiated close, respond with close message in acknowlegement */ + if (!ws_conn[wsd].closing) { + mg_websocket_write(conn, WEBSOCKET_OPCODE_CONNECTION_CLOSE, data, data_len); + ws_conn[wsd].closing = 1; /* we should not send addional messages when close requested/acknowledged */ + } + return 0; /* time to close the connection */ + break; + case WEBSOCKET_OPCODE_PING: + /* client sent PING, respond with PONG */ + mg_websocket_write(conn, WEBSOCKET_OPCODE_PONG, data, data_len); + break; + case WEBSOCKET_OPCODE_PONG: + /* received PONG to our PING, no action */ + break; + default: + fprintf(stderr, "Unknown flags: %02x\n", flags); + break; + } + } + + return 1; /* keep connection open */ +} + + +int main(void) +{ + char server_name[40]; + struct mg_context *ctx; + struct mg_callbacks callbacks; + const char *options[] = { + "listening_ports", "8080", + "document_root", "docroot", + NULL + }; + + /* get simple greeting for the web server */ + snprintf(server_name, sizeof(server_name), + "Civetweb websocket server v. %s", + mg_version()); + + memset(&callbacks, 0, sizeof(callbacks)); + callbacks.websocket_connect = websocket_connect_handler; + callbacks.websocket_ready = websocket_ready_handler; + callbacks.websocket_data = websocket_data_handler; + callbacks.connection_close = websocket_close_handler; + + ctx = mg_start(&callbacks, NULL, options); + + /* show the greeting and some basic information */ + printf("%s started on port(s) %s with web root [%s]\n", + server_name, mg_get_option(ctx, "listening_ports"), + mg_get_option(ctx, "document_root")); + + getchar(); // Wait until user hits "enter" + mg_stop(ctx); + + return 0; +} |
