libtransport.git Changeset - a2b385e88f06

Changeset - a2b385e88f06

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0 11 2

Sarang Bharadwaj - 13 years ago 2012-06-03 11:31:50
sarang.bh@gmail.com

Multi-Threaded Request

13 files changed with 145 insertions and 251 deletions:

backends/twitter/Requests/DirectMessageRequest.cpp

backends/twitter/Requests/DirectMessageRequest.h

backends/twitter/Requests/FetchFriends.cpp

backends/twitter/Requests/FetchFriends.h

backends/twitter/Requests/HelpMessageRequest.cpp

backends/twitter/Requests/HelpMessageRequest.h

backends/twitter/Requests/StatusUpdateRequest.cpp

backends/twitter/Requests/StatusUpdateRequest.h

backends/twitter/Requests/TimelineRequest.cpp

backends/twitter/Requests/TimelineRequest.h

backends/twitter/libtwitcurl/oauthlib.h

backends/twitter/libtwitcurl/twitcurl.h

backends/twitter/main.cpp

224

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backends/twitter/Requests/DirectMessageRequest.cpp

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@@ @@ -2,11 +2,11 @@ @@
 DEFINE_LOGGER(logger, "DirectMessageRequest")
 void DirectMessageRequest::run()
+{
-	if(twitObj.directMessageSend(username, data, false) == false) {
+	if(twitObj->directMessageSend(username, data, false) == false) {
 		LOG4CXX_ERROR(logger, user << ": Error while sending directed message to " << username );
 		return;
+	}
-	twitObj.getLastWebResponse( replyMsg );
+	twitObj->getLastWebResponse( replyMsg );
+}
 void DirectMessageRequest::finalize()

backends/twitter/Requests/DirectMessageRequest.h

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@@ @@ -12,7 +12,7 @@ using namespace Transport; @@
 class DirectMessageRequest : public Thread
+{
 	twitCurl twitObj;
+	twitCurl *twitObj;
 	std::string data;
 	std::string user;
 	std::string username;
@@ @@ -21,13 +21,17 @@ class DirectMessageRequest : public Thread @@
 	public:
 	DirectMessageRequest(NetworkPlugin *_np, twitCurl *obj, const std::string &_user, const std::string & _username, const std::string &_data) {
-		twitObj = *obj;
+		twitObj = obj->clone();
 		data = _data;
 		user = _user;
 		username = _username;
 		np = _np;
+	}
 	~DirectMessageRequest() {
 		delete twitObj;
+	}
 	void run();
 	void finalize();
 };

backends/twitter/Requests/FetchFriends.cpp

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@@ @@ -4,18 +4,18 @@ DEFINE_LOGGER(logger, "FetchFriends") @@
 void FetchFriends::run()
+{
 	replyMsg = "";
-	if( twitObj.friendsIdsGet(twitObj.getTwitterUsername())) {
+	if( twitObj->friendsIdsGet(twitObj->getTwitterUsername())) {
 		while(replyMsg.length() == 0) {
-			twitObj.getLastWebResponse( replyMsg );
+			twitObj->getLastWebResponse( replyMsg );
+		}
 		LOG4CXX_INFO(logger, user << " - " << replyMsg.length() << " " << replyMsg << "\n" );
 		std::vector<std::string> IDs = getIDs( replyMsg );
 		twitObj.userLookup(IDs, true);
 		twitObj.getLastWebResponse( replyMsg );
 		twitObj->userLookup(IDs, true);
 		twitObj->getLastWebResponse( replyMsg );
 		LOG4CXX_INFO(logger, user << " - UserLookUp web response - " << replyMsg.length() << " " << replyMsg << "\n" );
@@ @@ -35,7 +35,7 @@ void FetchFriends::finalize() @@
 	if(replyMsg != "" ) {
 		np->handleMessage(user, "twitter-account", userlist);
 	} else {
-		twitObj.getLastCurlError( replyMsg );
+		twitObj->getLastCurlError( replyMsg );
 		LOG4CXX_INFO(logger, user << " - friendsIdsGet error - " << replyMsg );
+	}
+}

backends/twitter/Requests/FetchFriends.h

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@@ @@ -13,7 +13,7 @@ using namespace Transport; @@
 class FetchFriends : public Thread
+{
 	twitCurl twitObj;
+	twitCurl *twitObj;
 	std::string user;
 	std::string replyMsg;
 	std::string userlist;
@@ @@ -21,11 +21,15 @@ class FetchFriends : public Thread @@
 	public:
 	FetchFriends(NetworkPlugin *_np, twitCurl *obj, const std::string &_user) {
-		twitObj = *obj;
+		twitObj = obj->clone();
 		np = _np;
 		user = _user;
+	}
 	~FetchFriends() {
 		delete twitObj;
+	}
 	void run();
 	void finalize();
 };

backends/twitter/Requests/HelpMessageRequest.cpp

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@@ new file 100644 @@
 #include "HelpMessageRequest.h"
 DEFINE_LOGGER(logger, "HelpMessageRequest")
 void HelpMessageRequest::run()
+{
 	std::string helpMsg = "";
 	helpMsg = helpMsg
 			+ "\n******************************HELP************************************\n"
 			+ "#status:<your status> ==> Update your status\n"
 			+ "#timeline             ==> Retrieve your timeline\n"
 			+ "@<username>:<message> ==> Send a directed message to the user <username>\n"
 			+ "#help                 ==> Print this help message\n"
 			+ "************************************************************************\n";
 	np->handleMessage(user, "twitter-account", helpMsg);
+}
 void HelpMessageRequest::finalize()
+{
+}

backends/twitter/Requests/HelpMessageRequest.h

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@@ new file 100644 @@
 #ifndef HELPMESSAGE_H
 #define HELPMESSAGE_H
 #include "../ThreadPool.h"
 #include "../libtwitcurl/twitcurl.h"
 #include "transport/networkplugin.h"
 #include "transport/logging.h"
 #include <string>
 #include <iostream>
 using namespace Transport;
 class HelpMessageRequest : public Thread
+{
 	std::string user;
 	NetworkPlugin *np;
 	public:
 	HelpMessageRequest(NetworkPlugin *_np, const std::string &_user) {
 		user = _user;
 		np = _np;
+	}
 	void run();
 	void finalize();
 };
 #endif

backends/twitter/Requests/StatusUpdateRequest.cpp

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@@ @@ -2,20 +2,22 @@ @@
 DEFINE_LOGGER(logger, "StatusUpdateRequest")
 void StatusUpdateRequest::run()
+{
 	if( twitObj.statusUpdate( data ) ) {
 		replyMsg = "";
 	replyMsg = "";
 	if( twitObj->statusUpdate( data ) ) {
 		while(replyMsg.length() == 0) {
-			twitObj.getLastWebResponse( replyMsg );
+			twitObj->getLastWebResponse( replyMsg );
+		}
 		LOG4CXX_INFO(logger, user << "StatusUpdateRequest response " << replyMsg );
 	} else {
 		twitObj.getLastCurlError( replyMsg );
 		LOG4CXX_ERROR(logger, user << "Error - " << replyMsg );
+	}
+	}
+}
 void StatusUpdateRequest::finalize()
+{
 	LOG4CXX_INFO(logger, "Updated status for " << user << ": " << data);
 	if(replyMsg != "" ) {
 		LOG4CXX_INFO(logger, "Updated status for " << user << ": " << data);
 	} else {
 		twitObj->getLastCurlError( replyMsg );
 		LOG4CXX_ERROR(logger, user << "Error - " << replyMsg );
+	}
 	return;
+}

backends/twitter/Requests/StatusUpdateRequest.h

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@@ @@ -11,18 +11,23 @@ @@
 using namespace Transport;
 class StatusUpdateRequest : public Thread
+{
 	twitCurl twitObj;
+	twitCurl *twitObj;
 	std::string data;
 	std::string user;
 	std::string replyMsg;
 	NetworkPlugin *np;
 	public:
 	StatusUpdateRequest(NetworkPlugin *_np, twitCurl *obj, const std::string &_user, const std::string &_data) {
-		twitObj = *obj;
+		twitObj = obj->clone();
 		data = _data;
 		user = _user;
 		np = _np;
+	}
 	~StatusUpdateRequest() {
 		delete twitObj;
+	}
 	void run();
 	void finalize();
 };

backends/twitter/Requests/TimelineRequest.cpp

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@@ @@ -3,11 +3,11 @@ DEFINE_LOGGER(logger, "TimelineRequest") @@
 void TimelineRequest::run()
+{
 	replyMsg = "";
-	if( twitObj.timelinePublicGet() ) {
+	if( twitObj->timelineHomeGet() ) {
 		LOG4CXX_INFO(logger, "Sending timeline request for user " << user)
 		while(replyMsg.length() == 0) {
-			twitObj.getLastWebResponse( replyMsg );
+			twitObj->getLastWebResponse( replyMsg );
+		}
 		LOG4CXX_INFO(logger, user << " - " << replyMsg.length() << " " << replyMsg << "\n" );
@@ @@ -27,7 +27,7 @@ void TimelineRequest::finalize() @@
 		np->handleMessage(user, "twitter-account", timeline); //send timeline
+	}
 	else {
-		twitObj.getLastCurlError( replyMsg );
+		twitObj->getLastCurlError( replyMsg );
 		LOG4CXX_ERROR(logger, user << " - " << replyMsg );
+	}
+}

backends/twitter/Requests/TimelineRequest.h

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@@ @@ -13,7 +13,7 @@ using namespace Transport; @@
 class TimelineRequest : public Thread
+{
 	twitCurl twitObj;
+	twitCurl *twitObj;
 	std::string user;
 	std::string replyMsg;
 	std::string timeline;
@@ @@ -21,11 +21,16 @@ class TimelineRequest : public Thread @@
 	public:
 	TimelineRequest(NetworkPlugin *_np, twitCurl *obj, const std::string &_user) {
-		twitObj = *obj;
+		twitObj = obj->clone();
 		np = _np;
 		user = _user;
+	}
 	~TimelineRequest() {
 		//std::cerr << "*****Timeline request: DESTROYING twitObj****" << std::endl;
 		delete twitObj;
+	}
 	void run();
 	void finalize();
 };

backends/twitter/libtwitcurl/oauthlib.h

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@@ @@ -90,6 +90,20 @@ public: @@
     bool extractOAuthTokenKeySecret( const std::string& requestTokenResponse /* in */ );
 	oAuth clone()
+	{
 		oAuth cloneObj;
 		cloneObj.m_consumerKey = m_consumerKey;
 		cloneObj.m_consumerSecret = m_consumerSecret;
 		cloneObj.m_oAuthTokenKey = m_oAuthTokenKey;
 		cloneObj.m_oAuthTokenSecret = m_oAuthTokenSecret;
 		cloneObj.m_oAuthPin = m_oAuthPin;
 		cloneObj.m_nonce = m_nonce;
 		cloneObj.m_timeStamp = m_timeStamp;
 		cloneObj.m_oAuthScreenName =  m_oAuthScreenName;
 		return cloneObj;
+	}
 private:
     /* OAuth data */
@@ @@ -121,4 +135,4 @@ private: @@
     void generateNonceTimeStamp();
 };
 #endif // __OAUTHLIB_H__
@@ \ No newline at end of file @@
 #endif // __OAUTHLIB_H__

backends/twitter/libtwitcurl/twitcurl.h

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@@ @@ -220,6 +220,35 @@ public: @@
     void setProxyUserName( std::string& proxyUserName /* in */ );
     void setProxyPassword( std::string& proxyPassword /* in */ );
 	twitCurl* clone()
+	{
 		twitCurl *cloneObj = new twitCurl();
 		/* cURL flags */
 		cloneObj->m_curlProxyParamsSet = m_curlProxyParamsSet;
 		cloneObj->m_curlLoginParamsSet = m_curlLoginParamsSet;
 		cloneObj->m_curlCallbackParamsSet = m_curlCallbackParamsSet;
 		/* cURL proxy data */
 		cloneObj->m_proxyServerIp = m_proxyServerIp;
 		cloneObj->m_proxyServerPort = m_proxyServerPort;
 		cloneObj->m_proxyUserName = m_proxyUserName;
 		cloneObj->m_proxyPassword = m_proxyPassword;
 		/* Twitter data */
 		cloneObj->m_twitterUsername = m_twitterUsername;
 		cloneObj->m_twitterPassword = m_twitterPassword;
 		/* Twitter API type */
 		cloneObj->m_eApiFormatType = m_eApiFormatType;
 		/* OAuth data */
 		cloneObj->m_oAuth = m_oAuth.clone();
 		return cloneObj;
+	}
 private:
     /* cURL data */
     CURL* m_curlHandle;

backends/twitter/main.cpp

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@@ @@ -33,6 +33,7 @@ @@
 #include "Requests/DirectMessageRequest.h"
 #include "Requests/TimelineRequest.h"
 #include "Requests/FetchFriends.h"
 #include "Requests/HelpMessageRequest.h"
 using namespace boost::filesystem;
 using namespace boost::program_options;
@@ @@ -71,13 +72,9 @@ class TwitterPlugin : public NetworkPlugin { @@
 			m_conn = m_factories->getConnectionFactory()->createConnection();
 			m_conn->onDataRead.connect(boost::bind(&TwitterPlugin::_handleDataRead, this, _1));
 			m_conn->connect(Swift::HostAddressPort(Swift::HostAddress(host), port));
 			onDispatchRequest.connect(boost::bind(&TwitterPlugin::requestDispatcher, this, _1, _2));
 			tp = new ThreadPool(10);
 			activeThreadCount = 0;
 			MAX_THREADS  = 50;
 			LOG4CXX_INFO(logger, "Starting the plugin.");
+		}
@@ @@ -209,193 +206,9 @@ class TwitterPlugin : public NetworkPlugin { @@
 			LOG4CXX_INFO(logger, user << ": Sent PIN " << data << " and obtained Access Token");
+		}
 		void printHelpMessage(const std::string &user) {
 			std::string helpMsg = "";
 			helpMsg = helpMsg
 				    + "\nHELP\n"
 					+ "#status:<your status> - Update your status\n"
 					+ "#timeline - Retrieve your timeline\n"
 					+ "@<username>:<message> - Send a directed message to the user <username>\n"
 					+ "#help - print this help message\n";
 			handleMessage(user, "twitter-account", helpMsg);
+		}
 		void handleDirectMessage(const std::string &user, std::string &username, std::string &data) {
 			if(sessions[user]->directMessageSend(username, data, false) == false) {
 				LOG4CXX_ERROR(logger, user << ": Error while sending directed message to user " << username );
 				return;
+			}
 			LOG4CXX_INFO(logger, user << ": Sending " << data << " to " << username)
 			std::string replyMsg;
 			sessions[user]->getLastWebResponse( replyMsg );
 			LOG4CXX_INFO(logger, replyMsg);
+		}
 		void handleStatusUpdate(const std::string &user, std::string &data) {
 			if(connectionState[user] != CONNECTED) {
 				LOG4CXX_ERROR(logger, "Trying to update status for " << user << " when not connected!");
 				return;
+			}
 			std::string replyMsg;
 			if( sessions[user]->statusUpdate( data ) ) {
 				replyMsg = "";
 				while(replyMsg.length() == 0) {
 					sessions[user]->getLastWebResponse( replyMsg );
+				}
 				LOG4CXX_INFO(logger, user << ": twitCurl:statusUpdate web response: " << replyMsg );
 			} else {
 				sessions[user]->getLastCurlError( replyMsg );
 				LOG4CXX_INFO(logger, user << ": twitCurl::statusUpdate error: " << replyMsg );
+			}
 			LOG4CXX_INFO(logger, "Updated status for " << user << ": " << data);
+		}
 		void fetchTimeline(const std::string &user) {
 			if(connectionState[user] != CONNECTED) {
 				LOG4CXX_ERROR(logger, "Trying to fetch timeline for " << user << " when not connected!");
 				return;
+			}
 			std::string replyMsg = "";
 			if( sessions[user]->timelineHomeGet()) {
 				while(replyMsg.length() == 0) {
 					sessions[user]->getLastWebResponse( replyMsg );
+				}
 				LOG4CXX_INFO(logger, user << ": twitCurl::timeline web response: " << replyMsg.length() << " " << replyMsg << "\n" );
 				std::vector<Status> tweets = getTimeline(replyMsg);
 				std::string timeline = "\n";
 				for(int i=0 ; i<tweets.size() ; i++) {
 					timeline += tweets[i].getTweet() + "\n";
+				}
 				handleMessage(user, "twitter-account", timeline);
 			} else {
 				sessions[user]->getLastCurlError( replyMsg );
 				LOG4CXX_INFO(logger, user << ": twitCurl::timeline error: " << replyMsg );
+			}
+		}
 		void fetchFriends(const std::string &user) {
 			if(connectionState[user] != CONNECTED) {
 				LOG4CXX_ERROR(logger, "Trying to fetch friends of " << user << " when not connected!");
 				return;
+			}
 			std::string replyMsg = "";
 			if( sessions[user]->friendsIdsGet(sessions[user]->getTwitterUsername())) {
 				while(replyMsg.length() == 0) {
 					sessions[user]->getLastWebResponse( replyMsg );
+				}
 				LOG4CXX_INFO(logger, user << ": twitCurl::friendsIdsGet web response: " << replyMsg.length() << " " << replyMsg << "\n" );
 				std::vector<std::string> IDs = getIDs( replyMsg );
 				/*for(int i=0 ; i<IDs.size() ; i++) {
 					//LOG4CXX_INFO(logger, "ID #" << i+1 << ": " << IDs[i]);
 				}*/
 				sessions[user]->userLookup(IDs, true);
 				sessions[user]->getLastWebResponse( replyMsg );
 				LOG4CXX_INFO(logger, user << ": twitCurl::UserLookUp web response: " << replyMsg.length() << " " << replyMsg << "\n" );
 				std::vector<User> users = getUsers( replyMsg );
 				std::string userlist = "\n***************USER LIST****************\n";
 				for(int i=0 ; i < users.size() ; i++) {
 					userlist += "*)" + users[i].getUserName() + " (" + users[i].getScreenName() + ")\n";
+				}
 				userlist += "***************************************\n";
 				handleMessage(user, "twitter-account", userlist);
 			} else {
 				sessions[user]->getLastCurlError( replyMsg );
 				LOG4CXX_INFO(logger, user << ": twitCurl::friendsIdsGet error: " << replyMsg );
+			}
+		}
 		void spawnThreadForRequest(Request r) {
 			std::string &user = r.from;
 			std::string &legacyName = r.to;
 		    std::string &message = r.message;
 			LOG4CXX_INFO(logger, "Sending message from " << user << " to " << legacyName << ".");
 			if(legacyName == "twitter-account") {
 				std::string cmd = message.substr(0, message.find(':'));
 				std::string data = message.substr(message.find(':') + 1);
 				handleMessage(user, "twitter-account", cmd + " " + data);
 				if(cmd == "#pin") handlePINExchange(user, data);
 				else if(cmd == "#help") printHelpMessage(user);
 				else if(cmd[0] == '@') {std::string username = cmd.substr(1); handleDirectMessage(user, username, data);}
 				else if(cmd == "#status") handleStatusUpdate(user, data);
 				else if(cmd == "#timeline") fetchTimeline(user);
 				else if(cmd == "#friends") fetchFriends(user);
+			}
 			updateActiveThreadCount(-1);
 			onDispatchRequest(r, false);
+		}
 		/*
 		 * usersBeingServed - set of users being served at present
 		 * usersToServe - queue of users who have requests pending in their request queue and are yet to be served; Each user appears only once here.
 		 */
 		void requestDispatcher(Request r, bool incoming) {
 			criticalRegion.lock();
 			if(incoming) {
 				std::string user = r.from;
 				if(getActiveThreadCount() < MAX_THREADS && usersBeingServed.count(user) == false) {
 					updateActiveThreadCount(1);
 					boost::thread(&TwitterPlugin::spawnThreadForRequest, this, r);
 					usersBeingServed.insert(user);
 					LOG4CXX_INFO(logger, user << ": Sending request " << STR(r) << " to twitter")
 				} else {
 					requests[user].push(r);
 					LOG4CXX_INFO(logger, user << " is already being served! Adding " << STR(r) << " to request queue");
 					if (!usersBeingServed.count(user)) {
 						usersToServe.push(user);
+					}
+				}
 			} else {
 				usersBeingServed.erase(r.from);
 				if(requests[r.from].size()) usersToServe.push(r.from);
 				while(getActiveThreadCount() < MAX_THREADS && !usersToServe.empty()) {
 					std::string user = usersToServe.front(); usersToServe.pop();
 					Request s = requests[user].front(); requests[user].pop();
 					updateActiveThreadCount(1);
 					boost::thread(&TwitterPlugin::spawnThreadForRequest, this, s);
 					usersBeingServed.insert(user);
 					LOG4CXX_INFO(logger, user << ": Sending request " << STR(s) << " to twitter")
+				}
+			}
 			criticalRegion.unlock();
+		}
 		void handleMessageSendRequest(const std::string &user, const std::string &legacyName, const std::string &message, const std::string &xhtml = "") {
 			/*Request r;
 			r.from = user;
 			r.to = legacyName;
 			r.message = message;
 			LOG4CXX_INFO(logger, user << "Dispatching request " << STR(r))
 			onDispatchRequest(r,true);*/
 			//requestDispatcher(r, true);
 			if(legacyName == "twitter-account") {
 				std::string cmd = message.substr(0, message.find(':'));
 				std::string data = message.substr(message.find(':') + 1);
@@ @@ -403,7 +216,9 @@ class TwitterPlugin : public NetworkPlugin { @@
 				handleMessage(user, "twitter-account", cmd + " " + data);
 				if(cmd == "#pin") handlePINExchange(user, data);
 				//else if(cmd == "#help") printHelpMessage(user);
 				else if(cmd == "#help") {
 					tp->runAsThread(new HelpMessageRequest(np, user));
+				}
 				else if(cmd[0] == '@') {
 					std::string username = cmd.substr(1);
 					tp->runAsThread(new DirectMessageRequest(np, sessions[user], user, username, data));
@@ @@ -413,6 +228,7 @@ class TwitterPlugin : public NetworkPlugin { @@
+				}
 				else if(cmd == "#timeline") {
 					tp->runAsThread(new TimelineRequest(np, sessions[user], user));
 					//fetchTimeline(user);
+				}
 				else if(cmd == "#friends") {
 					tp->runAsThread(new FetchFriends(np, sessions[user], user));
@@ @@ -429,28 +245,9 @@ class TwitterPlugin : public NetworkPlugin { @@
+		}
 		int getActiveThreadCount() {
 			int res;
 			threadLock.lock();
 			res = activeThreadCount;
 			threadLock.unlock();
 			return res;
+		}
 		void updateActiveThreadCount(int k) {
 			threadLock.lock();
 			activeThreadCount+=k;
 			threadLock.unlock();
+		}
 	private:
 		enum status {NEW, WAITING_FOR_PIN, CONNECTED, DISCONNECTED};
 		struct Request {
 			std::string from;
 			std::string to;
 			std::string message;
 		};
 		Config *config;
 		std::string consumerKey;
@@ @@ -458,22 +255,9 @@ class TwitterPlugin : public NetworkPlugin { @@
 		std::string OAUTH_KEY;
 		std::string OAUTH_SECRET;
 		int activeThreadCount;
 		int MAX_THREADS;
 		boost::mutex criticalRegion;
 		boost::mutex threadLock;
 		ThreadPool *tp;
 		std::map<std::string, twitCurl*> sessions;
 		std::map<std::string, std::queue<Request> > requests;
 		std::queue<std::string> usersToServe;
 		std::set<std::string> usersBeingServed;
 		std::map<std::string, twitCurl*> sessions;
 		std::map<std::string, status> connectionState;
 		boost::signal< void (Request, bool) > onDispatchRequest;
 };
 static void spectrum_sigchld_handler(int sig)

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