Changeset - 6aa34a558531
[Not reviewed]
0 4 0
Jan Kaluza - 14 years ago 2011-07-25 17:49:41
hanzz.k@gmail.com
Don't use backends which were full in past and add users to latest backends instead
4 files changed with 9 insertions and 4 deletions:
0 comments (0 inline, 0 general)
backends/libpurple/main.cpp
Show inline comments
 
#include "glib.h"
 
#include "purple.h"
 
#include <iostream>
 

	
 
#include "transport/config.h"
 
#include "transport/transport.h"
 
#include "transport/usermanager.h"
 
#include "transport/logger.h"
 
#include "transport/sqlite3backend.h"
 
#include "transport/userregistration.h"
 
#include "transport/user.h"
 
#include "transport/storagebackend.h"
 
#include "transport/rostermanager.h"
 
#include "transport/conversation.h"
 
#include "transport/networkplugin.h"
 
#include "spectrumeventloop.h"
 
#include "geventloop.h"
 
#include "log4cxx/logger.h"
 
#include "log4cxx/consoleappender.h"
 
#include "log4cxx/patternlayout.h"
 
#include "log4cxx/propertyconfigurator.h"
 
#include "log4cxx/helpers/properties.h"
 
#include "log4cxx/helpers/fileinputstream.h"
 
#include "sys/wait.h"
 
#include "sys/signal.h"
 

	
 
using namespace log4cxx;
 

	
 
static LoggerPtr logger_libpurple = Logger::getLogger("backend.libpurple");
 
static LoggerPtr logger = Logger::getLogger("backend");
 

	
 
using namespace Transport;
 

	
 
class SpectrumNetworkPlugin;
 

	
 

	
 
SpectrumNetworkPlugin *np;
 

	
 
static gboolean nodaemon = FALSE;
 
static gchar *logfile = NULL;
 
static gchar *lock_file = NULL;
 
static gchar *host = NULL;
 
static int port = 10000;
 
static gboolean ver = FALSE;
 
static gboolean list_purple_settings = FALSE;
 

	
 
static GOptionEntry options_entries[] = {
 
	{ "nodaemon", 'n', 0, G_OPTION_ARG_NONE, &nodaemon, "Disable background daemon mode", NULL },
 
	{ "logfile", 'l', 0, G_OPTION_ARG_STRING, &logfile, "Set file to log", NULL },
 
	{ "pidfile", 'p', 0, G_OPTION_ARG_STRING, &lock_file, "File where to write transport PID", NULL },
 
	{ "version", 'v', 0, G_OPTION_ARG_NONE, &ver, "Shows Spectrum version", NULL },
 
	{ "list-purple-settings", 's', 0, G_OPTION_ARG_NONE, &list_purple_settings, "Lists purple settings which can be used in config file", NULL },
 
	{ "host", 'h', 0, G_OPTION_ARG_STRING, &host, "Host to connect to", NULL },
 
	{ "port", 'p', 0, G_OPTION_ARG_INT, &port, "Port to connect to", NULL },
 
	{ NULL, 0, 0, G_OPTION_ARG_NONE, NULL, "", NULL }
 
};
 

	
 
static GHashTable *ui_info = NULL;
 

	
 
static GHashTable *spectrum_ui_get_info(void)
 
{
 
	if(NULL == ui_info) {
 
		ui_info = g_hash_table_new(g_str_hash, g_str_equal);
 

	
 
		g_hash_table_insert(ui_info, g_strdup("name"), g_strdup("Spectrum"));
 
		g_hash_table_insert(ui_info, g_strdup("version"), g_strdup("0.5"));
 
		g_hash_table_insert(ui_info, g_strdup("website"), g_strdup("http://spectrum.im"));
 
		g_hash_table_insert(ui_info, g_strdup("dev_website"), g_strdup("http://spectrum.im"));
 
		g_hash_table_insert(ui_info, g_strdup("client_type"), g_strdup("pc"));
 

	
 
		/*
 
		 * This is the client key for "Pidgin."  It is owned by the AIM
 
		 * account "markdoliner."  Please don't use this key for other
 
		 * applications.  You can either not specify a client key, in
 
		 * which case the default "libpurple" key will be used, or you
 
		 * can register for your own client key at
 
		 * http://developer.aim.com/manageKeys.jsp
 
		 */
 
		g_hash_table_insert(ui_info, g_strdup("prpl-aim-clientkey"), g_strdup("ma1cSASNCKFtrdv9"));
 
		g_hash_table_insert(ui_info, g_strdup("prpl-icq-clientkey"), g_strdup("ma1cSASNCKFtrdv9"));
 

	
 
		/*
 
		 * This is the distid for Pidgin, given to us by AOL.  Please
 
		 * don't use this for other applications.  You can just not
 
		 * specify a distid and libpurple will use a default.
 
		 */
 
		g_hash_table_insert(ui_info, g_strdup("prpl-aim-distid"), GINT_TO_POINTER(1550));
 
		g_hash_table_insert(ui_info, g_strdup("prpl-icq-distid"), GINT_TO_POINTER(1550));
 
	}
 

	
 
	return ui_info;
 
}
 

	
 
struct authRequest {
 
	PurpleAccountRequestAuthorizationCb authorize_cb;
 
	PurpleAccountRequestAuthorizationCb deny_cb;
 
	void *user_data;
 
	std::string who;
 
	PurpleAccount *account;
 
	std::string mainJID;	// JID of user connected with this request
 
};
 

	
 
static void * requestInput(const char *title, const char *primary,const char *secondary, const char *default_value, gboolean multiline, gboolean masked, gchar *hint,const char *ok_text, GCallback ok_cb,const char *cancel_text, GCallback cancel_cb, PurpleAccount *account, const char *who,PurpleConversation *conv, void *user_data) {
 
	if (primary) {
 
		std::string primaryString(primary);
 
		if (primaryString == "Authorization Request Message:") {
 
			LOG4CXX_INFO(logger, "Authorization Request Message: calling ok_cb(...)");
 
			((PurpleRequestInputCb) ok_cb)(user_data, "Please authorize me.");
 
			return NULL;
 
		}
 
		else {
 
			LOG4CXX_WARN(logger, "Unhandled request input. primary=" << primaryString);
 
		}
 
	}
 
	else {
 
		LOG4CXX_WARN(logger, "Request input without primary string");
 
	}
 
	return NULL;
 
}
 

	
 
static void *requestAction(const char *title, const char *primary, const char *secondary, int default_action, PurpleAccount *account, const char *who,PurpleConversation *conv, void *user_data, size_t action_count, va_list actions){
 
	std::string t(title ? title : "NULL");
 
	if (t == "SSL Certificate Verification") {
 
		LOG4CXX_INFO(logger,  "accepting SSL certificate");
 
		va_arg(actions, char *);
 
		((PurpleRequestActionCb) va_arg(actions, GCallback)) (user_data, 2);
 
	}
 
	else {
 
		if (title) {
 
			std::string headerString(title);
 
			LOG4CXX_INFO(logger,  "header string: " << headerString);
 
			if (headerString == "SSL Certificate Verification") {
 
				va_arg(actions, char *);
 
				((PurpleRequestActionCb) va_arg(actions, GCallback)) (user_data, 2);
 
			}
 
		}
 
	}
 
	return NULL;
 
}
 

	
 
static std::string getAlias(PurpleBuddy *m_buddy) {
 
	std::string alias;
 
	PurpleContact *contact = PURPLE_CONTACT(PURPLE_BLIST_NODE(m_buddy)->parent);
 
	if (contact && contact->alias) {
 
		alias = contact->alias;
 
	}
 
	else if (purple_buddy_get_alias(m_buddy)) {
 
		alias = (std::string) purple_buddy_get_alias(m_buddy);
 
	}
 
	else {
 
		alias = (std::string) purple_buddy_get_server_alias(m_buddy);
 
	}
 
	return alias;
 
}
 

	
 
class SpectrumNetworkPlugin : public NetworkPlugin {
 
	public:
 
		SpectrumNetworkPlugin(Config *config, SpectrumEventLoop *loop, const std::string &host, int port) : NetworkPlugin(loop, host, port) {
 
			this->config = config;
 
		}
 

	
 
		void handleLoginRequest(const std::string &user, const std::string &legacyName, const std::string &password) {
 
			PurpleAccount *account = NULL;
 
			const char *protocol = CONFIG_STRING(config, "service.protocol").c_str();
 
			if (purple_accounts_find(legacyName.c_str(), protocol) != NULL){
 
// 				Log(user, "this account already exists");
 
				account = purple_accounts_find(legacyName.c_str(), protocol);
 
// 				User *u = (User *) account->ui_data;
 
// 				if (u && u != user) {
 
// 					Log(userInfo.jid, "This account is already connected by another jid " << user->getJID());
 
// 					return;
 
// 				}
 
			}
 
			else {
 
// 				Log(user, "creating new account");
 
				account = purple_account_new(legacyName.c_str(), protocol);
 

	
 
				purple_accounts_add(account);
 
			}
 

	
 
			m_sessions[user] = account;
 

	
 
			// Default avatar
 
			char* contents;
 
			gsize length;
 
			gboolean ret;
 
			gboolean ret = false;
 
			if (!CONFIG_STRING(config, "backend.avatars_directory").empty()) {
 
				std::string f = CONFIG_STRING(config, "backend.avatars_directory") + "/" + legacyName;
 
				ret = g_file_get_contents (f.c_str(), &contents, &length, NULL);
 
			}
 

	
 
			if (!CONFIG_STRING(config, "backend.default_avatar").empty() && !ret) {
 
				ret = g_file_get_contents (CONFIG_STRING(config, "backend.default_avatar").c_str(),
 
											&contents, &length, NULL);
 
			}
 

	
 
			if (ret) {
 
				purple_buddy_icons_set_account_icon(account, (guchar *) contents, length);
 
			}
 

	
 
			purple_account_set_password(account, password.c_str());
 
			purple_account_set_enabled(account, "spectrum", TRUE);
 
			
 
			const PurpleStatusType *status_type = purple_account_get_status_type_with_primitive(account, PURPLE_STATUS_AVAILABLE);
 
			if (status_type != NULL) {
 
				purple_account_set_status(account, purple_status_type_get_id(status_type), TRUE, NULL);
 
			}
 
			m_accounts[account] = user;
 
		}
 

	
 
		void handleLogoutRequest(const std::string &user, const std::string &legacyName) {
 
			const char *protocol = CONFIG_STRING(config, "service.protocol").c_str();
 
			PurpleAccount *account = purple_accounts_find(legacyName.c_str(), protocol);
 
			if (account) {
 
				m_sessions[user] = NULL;
 
				purple_account_set_enabled(account, "spectrum", FALSE);
 

	
 
				// Remove conversations.
 
				// This has to be called before m_account->ui_data = NULL;, because it uses
 
				// ui_data to call SpectrumMessageHandler::purpleConversationDestroyed() callback.
 
				GList *iter;
 
				for (iter = purple_get_conversations(); iter; ) {
 
					PurpleConversation *conv = (PurpleConversation*) iter->data;
 
					iter = iter->next;
 
					if (purple_conversation_get_account(conv) == account)
 
						purple_conversation_destroy(conv);
 
				}
 

	
 
				g_free(account->ui_data);
 
				account->ui_data = NULL;
 
				m_accounts.erase(account);
 

	
 
				purple_notify_close_with_handle(account);
 
				purple_request_close_with_handle(account);
 

	
 
				purple_accounts_remove(account);
 

	
 
				GSList *buddies = purple_find_buddies(account, NULL);
 
				while(buddies) {
 
					PurpleBuddy *b = (PurpleBuddy *) buddies->data;
 
					purple_blist_remove_buddy(b);
 
					buddies = g_slist_delete_link(buddies, buddies);
 
				}
 

	
 
				/* Remove any open conversation for this account */
 
				for (GList *it = purple_get_conversations(); it; ) {
 
					PurpleConversation *conv = (PurpleConversation *) it->data;
 
					it = it->next;
 
					if (purple_conversation_get_account(conv) == account)
 
						purple_conversation_destroy(conv);
 
				}
 

	
 
				/* Remove this account's pounces */
 
					// purple_pounce_destroy_all_by_account(account);
 

	
 
				/* This will cause the deletion of an old buddy icon. */
 
				purple_buddy_icons_set_account_icon(account, NULL, 0);
 

	
 
				purple_account_destroy(account);
 
			}
 
		}
 

	
 
		void handleStatusChangeRequest(const std::string &user, int status, const std::string &statusMessage) {
 
			PurpleAccount *account = m_sessions[user];
 
			if (account) {
 
				int st;
 
				switch(status) {
 
					case Swift::StatusShow::Away: {
 
						st = PURPLE_STATUS_AWAY;
 
						if (!purple_account_get_status_type_with_primitive(account, PURPLE_STATUS_AWAY))
 
							st = PURPLE_STATUS_EXTENDED_AWAY;
 
						else
 
							st = PURPLE_STATUS_AWAY;
 
						break;
 
					}
 
					case Swift::StatusShow::DND: {
 
						st = PURPLE_STATUS_UNAVAILABLE;
 
						break;
 
					}
 
					case Swift::StatusShow::XA: {
 
						if (!purple_account_get_status_type_with_primitive(account, PURPLE_STATUS_EXTENDED_AWAY))
 
							st = PURPLE_STATUS_AWAY;
 
						else
 
							st = PURPLE_STATUS_EXTENDED_AWAY;
 
						break;
 
					}
 
					case Swift::StatusShow::None: {
 
						st = PURPLE_STATUS_OFFLINE;
 
						break;
 
					}
 
					default:
 
						st = PURPLE_STATUS_AVAILABLE;
 
						break;
 
				}
 
				gchar *_markup = purple_markup_escape_text(statusMessage.c_str(), -1);
 
				std::string markup(_markup);
 
				g_free(_markup);
 

	
 
				// we are already connected so we have to change status
 
				const PurpleStatusType *status_type = purple_account_get_status_type_with_primitive(account, (PurpleStatusPrimitive) st);
 
				if (status_type != NULL) {
 
					// send presence to legacy network
 
					if (!markup.empty()) {
 
						purple_account_set_status(account, purple_status_type_get_id(status_type), TRUE, "message", markup.c_str(), NULL);
 
					}
 
					else {
 
						purple_account_set_status(account, purple_status_type_get_id(status_type), TRUE, NULL);
 
					}
 
				}
 
			}
 
		}
 

	
 
		void handleMessageSendRequest(const std::string &user, const std::string &legacyName, const std::string &message, const std::string &xhtml) {
 
			PurpleAccount *account = m_sessions[user];
 
			if (account) {
 
				PurpleConversation *conv = purple_find_conversation_with_account(PURPLE_CONV_TYPE_IM, legacyName.c_str(), account);
 
				if (!conv) {
 
					conv = purple_conversation_new(PURPLE_CONV_TYPE_IM, account, legacyName.c_str());
 
				}
 
				if (xhtml.empty()) {
 
					gchar *_markup = purple_markup_escape_text(message.c_str(), -1);
 
					purple_conv_im_send(PURPLE_CONV_IM(conv), _markup);
 
					g_free(_markup);
 
				}
 
				else {
 
					purple_conv_im_send(PURPLE_CONV_IM(conv), xhtml.c_str());
 
				}
 
			}
 
		}
 

	
 
		void handleVCardRequest(const std::string &user, const std::string &legacyName, unsigned int id) {
 
			PurpleAccount *account = m_sessions[user];
 
			if (account) {
 
				serv_get_info(purple_account_get_connection(account), legacyName.c_str());
 
				m_vcards[user + legacyName] = id;
 
			}
 
		}
 

	
 
		void handleVCardUpdatedRequest(const std::string &user, const std::string &p) {
 
			PurpleAccount *account = m_sessions[user];
 
			if (account) {
 
				gssize size = p.size();
 
				// this will be freed by libpurple
 
				guchar *photo = (guchar *) g_malloc(size * sizeof(guchar));
 
				memcpy(photo, p.c_str(), size);
 

	
 
#ifdef WITH_IMAGEMAGICK
 
				if (size != 0) {
 
					PurplePlugin *plugin = purple_find_prpl(Transport::instance()->protocol()->protocol().c_str());
 
					PurplePluginProtocolInfo *prpl_info = PURPLE_PLUGIN_PROTOCOL_INFO(plugin);
 
					if (prpl_info->icon_spec.format == NULL) {
 
						g_free(photo);
 
						return;
 
					}
 
					try {
 
						Magick::Blob blob(photo, size);
 
						g_free(photo);
 
						photo = NULL;
 
						Magick::Image img(blob);
 

	
 
						std::string format;
 
						gchar **strlist = g_strsplit(prpl_info->icon_spec.format, ",", 10);
 
						for (gchar **f = strlist; *f != NULL; f++) {
 
							// jpeg is the best
 
							if (strcmp(*f, "jpeg") == 0 || strcmp(*f, "jpg") == 0) {
 
								format = "jpg";
 
							}
 
							// png is number two
 
							else if (strcmp(*f, "png") == 0 && format != "jpg") {
 
								format = *f;
 
							}
 
							// gif is alright if there's not jpeg or png
 
							else if (strcmp(*f, "gif") == 0 && format != "jpg" && format != "png") {
 
								format = *f;
 
							}
 
							else if (format.empty()) {
 
								format = *f;
 
							}
include/transport/networkpluginserver.h
Show inline comments
 
/**
 
 * libtransport -- C++ library for easy XMPP Transports development
 
 *
 
 * Copyright (C) 2011, Jan Kaluza <hanzz.k@gmail.com>
 
 *
 
 * This program is free software; you can redistribute it and/or modify
 
 * it under the terms of the GNU General Public License as published by
 
 * the Free Software Foundation; either version 2 of the License, or
 
 * (at your option) any later version.
 
 *
 
 * This program is distributed in the hope that it will be useful,
 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
 * GNU General Public License for more details.
 
 *
 
 * You should have received a copy of the GNU General Public License
 
 * along with this program; if not, write to the Free Software
 
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
 
 */
 

	
 
#pragma once
 

	
 
#include <time.h>
 
#include "Swiften/Swiften.h"
 
#include "Swiften/Presence/PresenceOracle.h"
 
#include "Swiften/Disco/EntityCapsManager.h"
 
#include "Swiften/Network/BoostConnectionServer.h"
 
#include "Swiften/Network/Connection.h"
 
#include "storagebackend.h"
 

	
 
namespace Transport {
 

	
 
class UserManager;
 
class User;
 
class Component;
 
class Buddy;
 
class LocalBuddy;
 
class Config;
 
class NetworkConversation;
 
class VCardResponder;
 
class RosterResponder;
 

	
 
class NetworkPluginServer {
 
	public:
 
		struct Backend {
 
			int pongReceived;
 
			std::list<User *> users;
 
			Swift::SafeByteArray data;
 
			boost::shared_ptr<Swift::Connection> connection;
 
			unsigned long res;
 
			unsigned long init_res;
 
			unsigned long shared;
 
			bool acceptUsers;
 
		};
 

	
 
		NetworkPluginServer(Component *component, Config *config, UserManager *userManager);
 

	
 
		virtual ~NetworkPluginServer();
 

	
 
		int getBackendCount() {
 
			return m_clients.size();
 
		}
 

	
 
		const std::list<Backend *> &getBackends() {
 
			return m_clients;
 
		}
 

	
 
		void handleMessageReceived(NetworkConversation *conv, boost::shared_ptr<Swift::Message> &message);
 

	
 
	private:
 
		void handleNewClientConnection(boost::shared_ptr<Swift::Connection> c);
 
		void handleSessionFinished(Backend *c);
 
		void handleDataRead(Backend *c, const Swift::SafeByteArray&);
 

	
 
		void handleConnectedPayload(const std::string &payload);
 
		void handleDisconnectedPayload(const std::string &payload);
 
		void handleBuddyChangedPayload(const std::string &payload);
 
		void handleConvMessagePayload(const std::string &payload, bool subject = false);
 
		void handleParticipantChangedPayload(const std::string &payload);
 
		void handleRoomChangedPayload(const std::string &payload);
 
		void handleVCardPayload(const std::string &payload);
 
		void handleChatStatePayload(const std::string &payload, Swift::ChatState::ChatStateType type);
 
		void handleAuthorizationPayload(const std::string &payload);
 
		void handleAttentionPayload(const std::string &payload);
 
		void handleStatsPayload(Backend *c, const std::string &payload);
 

	
 
		void handleUserCreated(User *user);
 
		void handleRoomJoined(User *user, const std::string &room, const std::string &nickname, const std::string &password);
 
		void handleRoomLeft(User *user, const std::string &room);
 
		void handleUserReadyToConnect(User *user);
 
		void handleUserPresenceChanged(User *user, Swift::Presence::ref presence);
 
		void handleUserDestroyed(User *user);
 

	
 
		void handleBuddyUpdated(Buddy *buddy, const Swift::RosterItemPayload &item);
 
		void handleBuddyRemoved(Buddy *buddy);
 
		void handleBuddyAdded(Buddy *buddy, const Swift::RosterItemPayload &item);
 

	
 
		void handleVCardUpdated(User *user, boost::shared_ptr<Swift::VCard> vcard);
 
		void handleVCardRequired(User *user, const std::string &name, unsigned int id);
 

	
 
		void send(boost::shared_ptr<Swift::Connection> &, const std::string &data);
 

	
 
		void pingTimeout();
 
		void sendPing(Backend *c);
 
		Backend *getFreeClient();
 

	
 
		UserManager *m_userManager;
 
		VCardResponder *m_vcardResponder;
 
		RosterResponder *m_rosterResponder;
 
		Config *m_config;
 
		boost::shared_ptr<Swift::BoostConnectionServer> m_server;
 
		std::list<Backend *>  m_clients;
 
		Swift::Timer::ref m_pingTimer;
 
		Component *m_component;
 
		std::list<User *> m_waitingUsers;
 
};
 

	
 
}
spectrum/src/sample.cfg
Show inline comments
 
[service]
 
jid = localhost
 
password = secret
 
server = 127.0.0.1
 
port = 5222
 
server_mode = 1
 
backend_host=localhost # < this option doesn't work yet
 
backend_port=10001
 
admin_username=admin
 
admin_password=test
 
#cert= #patch to PKCS#12 certificate
 
#cert_password= #password to that certificate if any
 
users_per_backend=10
 
users_per_backend=2
 
backend=../../backends/libpurple/spectrum_libpurple_backend
 
#backend=../../backends/libircclient-qt/spectrum_libircclient-qt_backend
 
#protocol=prpl-jabber
 
protocol=prpl-msn
 
#protocol=prpl-icq
 

	
 
[backend]
 
default_avatar=catmelonhead.jpg
 

	
 
[logging]
 
#config=logging.cfg # log4cxx/log4j logging configuration file
 
#backend_config=backend_logging.cfg # log4cxx/log4j logging configuration file for backends
 

	
 
[database]
 
type = none # or "none" without database backend
 
database = test.sql
 
prefix=icq
src/networkpluginserver.cpp
Show inline comments
 
/**
 
 * libtransport -- C++ library for easy XMPP Transports development
 
 *
 
 * Copyright (C) 2011, Jan Kaluza <hanzz.k@gmail.com>
 
 *
 
 * This program is free software; you can redistribute it and/or modify
 
 * it under the terms of the GNU General Public License as published by
 
 * the Free Software Foundation; either version 2 of the License, or
 
 * (at your option) any later version.
 
 *
 
 * This program is distributed in the hope that it will be useful,
 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
 * GNU General Public License for more details.
 
 *
 
 * You should have received a copy of the GNU General Public License
 
 * along with this program; if not, write to the Free Software
 
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
 
 */
 

	
 
#include "transport/networkpluginserver.h"
 
#include "transport/user.h"
 
#include "transport/transport.h"
 
#include "transport/storagebackend.h"
 
#include "transport/rostermanager.h"
 
#include "transport/usermanager.h"
 
#include "transport/conversationmanager.h"
 
#include "transport/localbuddy.h"
 
#include "transport/config.h"
 
#include "transport/conversation.h"
 
#include "transport/vcardresponder.h"
 
#include "transport/rosterresponder.h"
 
#include "Swiften/Swiften.h"
 
#include "Swiften/Server/ServerStanzaChannel.h"
 
#include "Swiften/Elements/StreamError.h"
 
#include "Swiften/Network/BoostConnectionServer.h"
 
#include "Swiften/Elements/AttentionPayload.h"
 
#include "Swiften/Elements/XHTMLIMPayload.h"
 
#include "pbnetwork.pb.h"
 
#include "sys/wait.h"
 
#include "sys/signal.h"
 
#include "log4cxx/logger.h"
 

	
 
using namespace log4cxx;
 

	
 
namespace Transport {
 

	
 
static LoggerPtr logger = Logger::getLogger("NetworkPluginServer");
 

	
 
class NetworkConversation : public Conversation {
 
	public:
 
		NetworkConversation(ConversationManager *conversationManager, const std::string &legacyName, bool muc = false) : Conversation(conversationManager, legacyName, muc) {
 
		}
 

	
 
		void sendMessage(boost::shared_ptr<Swift::Message> &message) {
 
			onMessageToSend(this, message);
 
		}
 

	
 
		boost::signal<void (NetworkConversation *, boost::shared_ptr<Swift::Message> &)> onMessageToSend;
 
};
 

	
 
class NetworkFactory : public Factory {
 
	public:
 
		NetworkFactory(NetworkPluginServer *nps) {
 
			m_nps = nps;
 
		}
 
		
 
		Conversation *createConversation(ConversationManager *conversationManager, const std::string &legacyName) {
 
			NetworkConversation *nc = new NetworkConversation(conversationManager, legacyName);
 
			nc->onMessageToSend.connect(boost::bind(&NetworkPluginServer::handleMessageReceived, m_nps, _1, _2));
 
			return nc;
 
		}
 

	
 
		Buddy *createBuddy(RosterManager *rosterManager, const BuddyInfo &buddyInfo) {
 
			LocalBuddy *buddy = new LocalBuddy(rosterManager, buddyInfo.id);
 
			buddy->setAlias(buddyInfo.alias);
 
			buddy->setName(buddyInfo.legacyName);
 
			buddy->setSubscription(buddyInfo.subscription);
 
			buddy->setGroups(buddyInfo.groups);
 
			buddy->setFlags((BuddyFlag) buddyInfo.flags);
 
			if (buddyInfo.settings.find("icon_hash") != buddyInfo.settings.end())
 
				buddy->setIconHash(buddyInfo.settings.find("icon_hash")->second.s);
 
			return buddy;
 
		}
 
	private:
 
		NetworkPluginServer *m_nps;
 
};
 

	
 
#define WRAP(MESSAGE, TYPE) 	pbnetwork::WrapperMessage wrap; \
 
	wrap.set_type(TYPE); \
 
	wrap.set_payload(MESSAGE); \
 
	wrap.SerializeToString(&MESSAGE);
 
	
 
static pid_t exec_(const char *path, const char *host, const char *port, const char *config) {
 
	LOG4CXX_INFO(logger, "Starting new backend " << path);
 
// 	char *argv[] = {(char*)script_name, '\0'}; 
 
	pid_t pid = fork();
 
	if ( pid == 0 ) {
 
		// child process
 
		exit(execlp(path, path, "--host", host, "--port", port, config, NULL));
 
	} else if ( pid < 0 ) {
 
		// fork failed
 
	}
 

	
 
	return pid;
 
}
 

	
 
static void SigCatcher(int n) {
 
	pid_t result;
 
	int status;
 
	while ((result = waitpid(0, &status, WNOHANG)) > 0) {
 
		if (result != 0) {
 
			if (WIFEXITED(status)) {
 
				if (WEXITSTATUS(status) != 0) {
 
// 					LOG4CXX_ERROR(logger, "Backend can not be started, exit_code=" << WEXITSTATUS(status));
 
				}
 
			}
 
			else {
 
// 				LOG4CXX_ERROR(logger, "Backend can not be started");
 
			}
 
		}
 
	}
 
}
 

	
 
static void handleBuddyPayload(LocalBuddy *buddy, const pbnetwork::Buddy &payload) {
 
	buddy->setName(payload.buddyname());
 
	buddy->setAlias(payload.alias());
 
	std::vector<std::string> groups;
 
	groups.push_back(payload.groups());
 
	buddy->setGroups(groups);
 
	buddy->setStatus(Swift::StatusShow((Swift::StatusShow::Type) payload.status()), payload.statusmessage());
 
	buddy->setIconHash(payload.iconhash());
 
}
 

	
 
NetworkPluginServer::NetworkPluginServer(Component *component, Config *config, UserManager *userManager) {
 
	m_userManager = userManager;
 
	m_config = config;
 
	m_component = component;
 
	m_component->m_factory = new NetworkFactory(this);
 
	m_userManager->onUserCreated.connect(boost::bind(&NetworkPluginServer::handleUserCreated, this, _1));
 
	m_userManager->onUserDestroyed.connect(boost::bind(&NetworkPluginServer::handleUserDestroyed, this, _1));
 

	
 
	m_pingTimer = component->getNetworkFactories()->getTimerFactory()->createTimer(20000);
 
	m_pingTimer->onTick.connect(boost::bind(&NetworkPluginServer::pingTimeout, this));
 
	m_pingTimer->start();
 

	
 
	m_vcardResponder = new VCardResponder(component->getIQRouter(), userManager);
 
	m_vcardResponder->onVCardRequired.connect(boost::bind(&NetworkPluginServer::handleVCardRequired, this, _1, _2, _3));
 
	m_vcardResponder->onVCardUpdated.connect(boost::bind(&NetworkPluginServer::handleVCardUpdated, this, _1, _2));
 
	m_vcardResponder->start();
 

	
 
	m_rosterResponder = new RosterResponder(component->getIQRouter(), userManager);
 
	m_rosterResponder->onBuddyAdded.connect(boost::bind(&NetworkPluginServer::handleBuddyAdded, this, _1, _2));
 
	m_rosterResponder->onBuddyRemoved.connect(boost::bind(&NetworkPluginServer::handleBuddyRemoved, this, _1));
 
	m_rosterResponder->onBuddyUpdated.connect(boost::bind(&NetworkPluginServer::handleBuddyUpdated, this, _1, _2));
 
	m_rosterResponder->start();
 

	
 
	m_server = Swift::BoostConnectionServer::create(Swift::HostAddress(CONFIG_STRING(m_config, "service.backend_host")), boost::lexical_cast<int>(CONFIG_STRING(m_config, "service.backend_port")), component->getNetworkFactories()->getIOServiceThread()->getIOService(), component->m_loop);
 
	m_server->onNewConnection.connect(boost::bind(&NetworkPluginServer::handleNewClientConnection, this, _1));
 
	m_server->start();
 

	
 
	LOG4CXX_INFO(logger, "Listening on host " << CONFIG_STRING(m_config, "service.backend_host") << " port " << CONFIG_STRING(m_config, "service.backend_port"));
 

	
 
	signal(SIGCHLD, SigCatcher);
 

	
 
	exec_(CONFIG_STRING(m_config, "service.backend").c_str(), CONFIG_STRING(m_config, "service.backend_host").c_str(), CONFIG_STRING(m_config, "service.backend_port").c_str(), m_config->getConfigFile().c_str());
 
}
 

	
 
NetworkPluginServer::~NetworkPluginServer() {
 
	m_pingTimer->stop();
 
	m_server->stop();
 
	m_server.reset();
 
	delete m_component->m_factory;
 
	delete m_vcardResponder;
 
	delete m_rosterResponder;
 
}
 

	
 
void NetworkPluginServer::handleNewClientConnection(boost::shared_ptr<Swift::Connection> c) {
 
	Backend *client = new Backend;
 
	client->pongReceived = -1;
 
	client->connection = c;
 
	client->res = 0;
 
	client->init_res = 0;
 
	client->shared = 0;
 
	client->acceptUsers = true;
 

	
 
	LOG4CXX_INFO(logger, "New backend " << client << " connected. Current backend count=" << (m_clients.size() + 1));
 

	
 
	if (m_clients.size() == 0) {
 
		// first backend connected, start the server, we're ready.
 
		m_component->start();
 
	}
 

	
 
	m_clients.push_back(client);
 
	m_clients.push_front(client);
 

	
 
	c->onDisconnected.connect(boost::bind(&NetworkPluginServer::handleSessionFinished, this, client));
 
	c->onDataRead.connect(boost::bind(&NetworkPluginServer::handleDataRead, this, client, _1));
 
	sendPing(client);
 
	client->pongReceived = -1;
 

	
 
	// some users are in queue waiting for this backend
 
	while(!m_waitingUsers.empty()) {
 
		// There's no new backend, so stop associating users and wait for new backend,
 
		// which has been already spawned in getFreeClient() call.
 
		if (getFreeClient() == NULL)
 
			break;
 

	
 
		User *u = m_waitingUsers.front();
 
		m_waitingUsers.pop_front();
 

	
 
		LOG4CXX_INFO(logger, "Associating " << u->getJID().toString() << " with this backend");
 

	
 
		// associate backend with user
 
		handleUserCreated(u);
 

	
 
		// connect user if it's ready
 
		if (u->isReadyToConnect()) {
 
			handleUserReadyToConnect(u);
 
		}
 

	
 
	}
 
}
 

	
 
void NetworkPluginServer::handleSessionFinished(Backend *c) {
 
	LOG4CXX_INFO(logger, "Backend " << c << " disconnected. Current backend count=" << (m_clients.size() - 1));
 
	for (std::list<User *>::const_iterator it = c->users.begin(); it != c->users.end(); it++) {
 
		LOG4CXX_ERROR(logger, "Backend " << c << " disconnected (probably crashed) with active user " << (*it)->getJID().toString());
 
		(*it)->setData(NULL);
 
		(*it)->handleDisconnected("Internal Server Error, please reconnect.");
 
	}
 

	
 
// 	c->connection->onDisconnected.disconnect_all_slots();
 
// 	c->connection->onDataRead.disconnect_all_slots();
 

	
 
	m_clients.remove(c);
 
	delete c;
 

	
 
	// Execute new session only if there's no free one after this crash/disconnection
 
	for (std::list<Backend *>::const_iterator it = m_clients.begin(); it != m_clients.end(); it++) {
 
		if ((*it)->users.size() < CONFIG_INT(m_config, "service.users_per_backend")) {
 
			return;
 
		}
 
	}
 
	exec_(CONFIG_STRING(m_config, "service.backend").c_str(), CONFIG_STRING(m_config, "service.backend_host").c_str(), CONFIG_STRING(m_config, "service.backend_port").c_str(), m_config->getConfigFile().c_str());
 
}
 

	
 
void NetworkPluginServer::handleConnectedPayload(const std::string &data) {
 
	pbnetwork::Connected payload;
 
	if (payload.ParseFromString(data) == false) {
 
		// TODO: ERROR
 
		return;
 
	}
 

	
 
	User *user = m_userManager->getUser(payload.user());
 
	if (!user) {
 
		return;
 
	}
 

	
 
	user->setConnected(true);
 
	m_component->m_userRegistry->onPasswordValid(payload.user());
 
}
 

	
 
void NetworkPluginServer::handleDisconnectedPayload(const std::string &data) {
 
	pbnetwork::Disconnected payload;
 
	if (payload.ParseFromString(data) == false) {
 
		// TODO: ERROR
 
		return;
 
	}
 

	
 
	m_component->m_userRegistry->onPasswordInvalid(payload.user());
 

	
 
	User *user = m_userManager->getUser(payload.user());
 
	if (!user) {
 
		return;
 
	}
 
	user->handleDisconnected(payload.message());
 
}
 

	
 
void NetworkPluginServer::handleVCardPayload(const std::string &data) {
 
	pbnetwork::VCard payload;
 
	if (payload.ParseFromString(data) == false) {
 
		std::cout << "PARSING ERROR\n";
 
		// TODO: ERROR
 
		return;
 
	}
 

	
 
	boost::shared_ptr<Swift::VCard> vcard(new Swift::VCard());
 
	vcard->setFullName(payload.fullname());
 
	vcard->setPhoto(Swift::createByteArray(payload.photo()));
 
	vcard->setNickname(payload.nickname());
 

	
 
	m_vcardResponder->sendVCard(payload.id(), vcard);
 
}
 

	
 
void NetworkPluginServer::handleAuthorizationPayload(const std::string &data) {
 
	pbnetwork::Buddy payload;
 
	if (payload.ParseFromString(data) == false) {
 
		// TODO: ERROR
 
		return;
 
	}
 

	
 
	User *user = m_userManager->getUser(payload.username());
 
	if (!user)
 
		return;
 

	
 
	Swift::Presence::ref response = Swift::Presence::create();
 
	response->setTo(user->getJID());
 
	std::string name = payload.buddyname();
 

	
 
// 	name = Swift::JID::getEscapedNode(name)
 

	
 
	if (name.find_last_of("@") != std::string::npos) {
 
		name.replace(name.find_last_of("@"), 1, "%");
 
	}
 

	
 
	response->setFrom(Swift::JID(name, m_component->getJID().toString()));
 
	response->setType(Swift::Presence::Subscribe);
 
	m_component->getStanzaChannel()->sendPresence(response);
 
}
 

	
 
void NetworkPluginServer::handleChatStatePayload(const std::string &data, Swift::ChatState::ChatStateType type) {
 
	pbnetwork::Buddy payload;
 
	if (payload.ParseFromString(data) == false) {
 
		// TODO: ERROR
 
		return;
 
	}
 

	
 
	User *user = m_userManager->getUser(payload.username());
 
	if (!user)
 
		return;
 

	
 
	NetworkConversation *conv = (NetworkConversation *) user->getConversationManager()->getConversation(payload.buddyname());
 
	if (!conv) {
 
		return;
 
	}
 

	
 
	boost::shared_ptr<Swift::Message> msg(new Swift::Message());
 
	msg->addPayload(boost::make_shared<Swift::ChatState>(type));
 

	
 
	conv->handleMessage(msg);
 
}
 

	
 
void NetworkPluginServer::handleBuddyChangedPayload(const std::string &data) {
 
	pbnetwork::Buddy payload;
 
	if (payload.ParseFromString(data) == false) {
 
		// TODO: ERROR
 
		return;
 
	}
 

	
 
	User *user = m_userManager->getUser(payload.username());
 
	if (!user)
 
		return;
 

	
 
	LocalBuddy *buddy = (LocalBuddy *) user->getRosterManager()->getBuddy(payload.buddyname());
 
	if (buddy) {
 
		handleBuddyPayload(buddy, payload);
 
		buddy->handleBuddyChanged();
 
	}
 
	else {
 
		buddy = new LocalBuddy(user->getRosterManager(), -1);
 
		handleBuddyPayload(buddy, payload);
 
		user->getRosterManager()->setBuddy(buddy);
 
	}
 
}
 

	
 
void NetworkPluginServer::handleParticipantChangedPayload(const std::string &data) {
 
	pbnetwork::Participant payload;
 
	if (payload.ParseFromString(data) == false) {
 
		// TODO: ERROR
 
		return;
 
	}
 

	
 
	User *user = m_userManager->getUser(payload.username());
 
	if (!user)
 
		return;
 

	
 
	NetworkConversation *conv = (NetworkConversation *) user->getConversationManager()->getConversation(payload.room());
 
	if (!conv) {
 
		return;
 
	}
 

	
 
	conv->handleParticipantChanged(payload.nickname(), payload.flag(), payload.status(), payload.statusmessage(), payload.newname());
 

	
 
// 	LocalBuddy *buddy = (LocalBuddy *) user->getRosterManager()->getBuddy(payload.buddyname());
 
// 	if (buddy) {
 
// 		handleBuddyPayload(buddy, payload);
 
@@ -723,206 +724,209 @@ void NetworkPluginServer::handleUserDestroyed(User *user) {
 
	}
 
}
 

	
 
void NetworkPluginServer::handleMessageReceived(NetworkConversation *conv, boost::shared_ptr<Swift::Message> &msg) {
 

	
 
	boost::shared_ptr<Swift::ChatState> statePayload = msg->getPayload<Swift::ChatState>();
 
	if (statePayload) {
 
		pbnetwork::WrapperMessage_Type type = pbnetwork::WrapperMessage_Type_TYPE_BUDDY_CHANGED;
 
		switch (statePayload->getChatState()) {
 
			case Swift::ChatState::Active:
 
				type = pbnetwork::WrapperMessage_Type_TYPE_BUDDY_STOPPED_TYPING;
 
				break;
 
			case Swift::ChatState::Composing:
 
				type = pbnetwork::WrapperMessage_Type_TYPE_BUDDY_TYPING;
 
				break;
 
			case Swift::ChatState::Paused:
 
				type = pbnetwork::WrapperMessage_Type_TYPE_BUDDY_TYPED;
 
				break;
 
			default:
 
				break;
 
		}
 
		if (type != pbnetwork::WrapperMessage_Type_TYPE_BUDDY_CHANGED) {
 
			pbnetwork::Buddy buddy;
 
			buddy.set_username(conv->getConversationManager()->getUser()->getJID().toBare());
 
			buddy.set_buddyname(conv->getLegacyName());
 

	
 
			std::string message;
 
			buddy.SerializeToString(&message);
 

	
 
			WRAP(message, type);
 

	
 
			Backend *c = (Backend *) conv->getConversationManager()->getUser()->getData();
 
			if (!c) {
 
				return;
 
			}
 
			send(c->connection, message);
 
		}
 
	}
 

	
 
	boost::shared_ptr<Swift::AttentionPayload> attentionPayload = msg->getPayload<Swift::AttentionPayload>();
 
	if (attentionPayload) {
 
		pbnetwork::ConversationMessage m;
 
		m.set_username(conv->getConversationManager()->getUser()->getJID().toBare());
 
		m.set_buddyname(conv->getLegacyName());
 
		m.set_message(msg->getBody());
 

	
 
		std::string message;
 
		m.SerializeToString(&message);
 

	
 
		WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_ATTENTION);
 

	
 
		Backend *c = (Backend *) conv->getConversationManager()->getUser()->getData();
 
		send(c->connection, message);
 
		return;
 
	}
 
	
 

	
 
	std::string xhtml;
 
	boost::shared_ptr<Swift::XHTMLIMPayload> xhtmlPayload = msg->getPayload<Swift::XHTMLIMPayload>();
 
	if (xhtmlPayload) {
 
		xhtml = xhtmlPayload->getBody();
 
	}
 

	
 
	// Send normal message
 
	if (!msg->getBody().empty() || !xhtml.empty()) {
 
		pbnetwork::ConversationMessage m;
 
		m.set_username(conv->getConversationManager()->getUser()->getJID().toBare());
 
		m.set_buddyname(conv->getLegacyName());
 
		m.set_message(msg->getBody());
 
		m.set_xhtml(xhtml);
 

	
 
		std::string message;
 
		m.SerializeToString(&message);
 

	
 
		WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_CONV_MESSAGE);
 

	
 
		Backend *c = (Backend *) conv->getConversationManager()->getUser()->getData();
 
		if (!c) {
 
			return;
 
		}
 
		send(c->connection, message);
 
	}
 
}
 

	
 
void NetworkPluginServer::handleBuddyRemoved(Buddy *b) {
 
	User *user = b->getRosterManager()->getUser();
 

	
 
	pbnetwork::Buddy buddy;
 
	buddy.set_username(user->getJID().toBare());
 
	buddy.set_buddyname(b->getName());
 
	buddy.set_alias(b->getAlias());
 
	buddy.set_groups(b->getGroups().size() == 0 ? "" : b->getGroups()[0]);
 
	buddy.set_status(Swift::StatusShow::None);
 

	
 
	std::string message;
 
	buddy.SerializeToString(&message);
 

	
 
	WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_BUDDY_REMOVED);
 

	
 
	Backend *c = (Backend *) user->getData();
 
	if (!c) {
 
		return;
 
	}
 
	send(c->connection, message);
 
}
 

	
 
void NetworkPluginServer::handleBuddyUpdated(Buddy *b, const Swift::RosterItemPayload &item) {
 
	User *user = b->getRosterManager()->getUser();
 

	
 
	dynamic_cast<LocalBuddy *>(b)->setAlias(item.getName());
 
	dynamic_cast<LocalBuddy *>(b)->setGroups(item.getGroups());
 
	user->getRosterManager()->storeBuddy(b);
 

	
 
	pbnetwork::Buddy buddy;
 
	buddy.set_username(user->getJID().toBare());
 
	buddy.set_buddyname(b->getName());
 
	buddy.set_alias(b->getAlias());
 
	buddy.set_groups(b->getGroups().size() == 0 ? "" : b->getGroups()[0]);
 
	buddy.set_status(Swift::StatusShow::None);
 

	
 
	std::string message;
 
	buddy.SerializeToString(&message);
 

	
 
	WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_BUDDY_CHANGED);
 

	
 
	Backend *c = (Backend *) user->getData();
 
	if (!c) {
 
		return;
 
	}
 
	send(c->connection, message);
 
}
 

	
 
void NetworkPluginServer::handleBuddyAdded(Buddy *buddy, const Swift::RosterItemPayload &item) {
 
	handleBuddyUpdated(buddy, item);
 
}
 

	
 
void NetworkPluginServer::handleVCardUpdated(User *user, boost::shared_ptr<Swift::VCard> v) {
 
	pbnetwork::VCard vcard;
 
	vcard.set_username(user->getJID().toBare());
 
	vcard.set_buddyname("");
 
	vcard.set_id(0);
 
	vcard.set_photo(&v->getPhoto()[0], v->getPhoto().size());
 

	
 
	std::string message;
 
	vcard.SerializeToString(&message);
 

	
 
	WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_VCARD);
 

	
 
	Backend *c = (Backend *) user->getData();
 
	if (!c) {
 
		return;
 
	}
 
	send(c->connection, message);
 
}
 

	
 
void NetworkPluginServer::handleVCardRequired(User *user, const std::string &name, unsigned int id) {
 
	pbnetwork::VCard vcard;
 
	vcard.set_username(user->getJID().toBare());
 
	vcard.set_buddyname(name);
 
	vcard.set_id(id);
 

	
 
	std::string message;
 
	vcard.SerializeToString(&message);
 

	
 
	WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_VCARD);
 

	
 
	Backend *c = (Backend *) user->getData();
 
	if (!c) {
 
		return;
 
	}
 
	send(c->connection, message);
 
}
 

	
 
void NetworkPluginServer::sendPing(Backend *c) {
 

	
 
	std::string message;
 
	pbnetwork::WrapperMessage wrap;
 
	wrap.set_type(pbnetwork::WrapperMessage_Type_TYPE_PING);
 
	wrap.SerializeToString(&message);
 

	
 
	if (c->connection) {
 
		send(c->connection, message);
 
		c->pongReceived = false;
 
	}
 
// 	LOG4CXX_INFO(logger, "PING to " << c);
 
}
 

	
 
NetworkPluginServer::Backend *NetworkPluginServer::getFreeClient() {
 
	NetworkPluginServer::Backend *c = NULL;
 
	bool spawnNew = false;
 
	for (std::list<Backend *>::const_iterator it = m_clients.begin(); it != m_clients.end(); it++) {
 
		// This backend is free.
 
		if ((*it)->users.size() < CONFIG_INT(m_config, "service.users_per_backend") && (*it)->connection) {
 
		if ((*it)->acceptUsers && (*it)->users.size() < CONFIG_INT(m_config, "service.users_per_backend") && (*it)->connection) {
 
			c = *it;
 
			if (c->users.size() + 1 >= CONFIG_INT(m_config, "service.users_per_backend")) {
 
				c->acceptUsers = false;
 
			}
 
			break;
 
		}
 
	}
 

	
 
	if (c == NULL) {
 
		exec_(CONFIG_STRING(m_config, "service.backend").c_str(), CONFIG_STRING(m_config, "service.backend_host").c_str(), CONFIG_STRING(m_config, "service.backend_port").c_str(), m_config->getConfigFile().c_str());
 
	}
 

	
 
	return c;
 
}
 

	
 
}
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