2 * Copyright (C) 2011, BMW AG
4 * GeniviAudioMananger AudioManagerDaemon
6 * \file TelnetServer.cpp
8 * \date 20-Oct-2011 3:42:04 PM
9 * \author Christian Mueller (christian.ei.mueller@bmw.de)
12 * GNU Lesser General Public License, version 2.1, with special exception (GENIVI clause)
13 * Copyright (C) 2011, BMW AG Christian Mueller Christian.ei.mueller@bmw.de
15 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License, version 2.1, as published by the Free Software Foundation.
16 * 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 Lesser General Public License, version 2.1, for more details.
17 * You should have received a copy of the GNU Lesser General Public License, version 2.1, along with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>.
18 * Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may also be applicable to programs even in cases in which the program is not a library in the technical sense.
19 * Linking AudioManager statically or dynamically with other modules is making a combined work based on AudioManager. You may license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to license your linked modules under the GNU Lesser General Public License, version 2.1, you may use the program under the following exception.
20 * As a special exception, the copyright holders of AudioManager give you permission to combine AudioManager with software programs or libraries that are released under any license unless such a combination is not permitted by the license of such a software program or library. You may copy and distribute such a system following the terms of the GNU Lesser General Public License, version 2.1, including this special exception, for AudioManager and the licenses of the other code concerned.
21 * Note that people who make modified versions of AudioManager are not obligated to grant this special exception for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License, version 2.1, gives permission to release a modified version without this exception; this exception also makes it possible to release a modified version which carries forward this exception.
25 #include "TelnetServer.h"
27 #include <sys/socket.h>
28 #include <arpa/inet.h>
29 #include <sys/ioctl.h>
38 #include "DatabaseHandler.h"
39 #include "RoutingSender.h"
40 #include "DLTWrapper.h"
41 #include "CAmTelnetMenuHelper.h"
45 TelnetServer* TelnetServer::instance = NULL;
47 #define PRINT_BOOL(var) var ? output+="true\t\t" : output+="false\t\t";
49 TelnetServer::TelnetServer(SocketHandler *iSocketHandler, CommandSender *iCommandSender, CommandReceiver *iCommandReceiver, RoutingSender *iRoutingSender, RoutingReceiver *iRoutingReceiver, ControlSender *iControlSender, ControlReceiver *iControlReceiver, DatabaseHandler *iDatabasehandler, Router *iRouter, unsigned int servPort, unsigned int maxConnections)
50 :telnetConnectFiredCB(this,&TelnetServer::connectSocket),
51 telnetReceiveFiredCB(this,&TelnetServer::receiveData),
52 telnetDispatchCB(this,&TelnetServer::dispatchData),
53 telnetCheckCB(this,&TelnetServer::check),
54 mSocketHandler(iSocketHandler),
55 mCommandSender(iCommandSender),
56 mCommandReceiver(iCommandReceiver),
57 mRoutingSender(iRoutingSender),
58 mRoutingReceiver(iRoutingReceiver),
59 mControlSender(iControlSender),
60 mControlReceiver(iControlReceiver),
61 mDatabasehandler(iDatabasehandler),
67 mServerPort(servPort),
68 mMaxConnections(maxConnections),
69 mTelnetMenuHelper(iSocketHandler,iCommandSender,iCommandReceiver,iRoutingSender,iRoutingReceiver,iControlSender,iControlReceiver,iDatabasehandler,iRouter,this)
71 assert(mSocketHandler!=NULL);
72 assert(mCommandReceiver!=NULL);
73 assert(mCommandSender!=NULL);
74 assert(mControlSender!=NULL);
75 assert(mControlReceiver!=NULL);
76 assert(mRoutingSender!=NULL);
77 assert(mRoutingReceiver!=NULL);
78 assert(mDatabasehandler!=NULL);
79 assert(mRouter!=NULL);
81 assert(mMaxConnections!=0);
84 //mTelnetMenuHelper.setTelnetServer(this);
87 struct sockaddr_in servAddr;
89 //setup the port Listener
90 mConnectFD = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
91 setsockopt(mConnectFD, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int));
92 memset(&servAddr, 0, sizeof(servAddr));
93 servAddr.sin_family = AF_INET;
94 servAddr.sin_addr.s_addr = INADDR_ANY;
95 servAddr.sin_port = htons(servPort);
96 bind(mConnectFD, (struct sockaddr *) &servAddr, sizeof(servAddr));
98 if (listen(mConnectFD,mMaxConnections) < 0)
100 logError("TelnetServer::TelnetServerk cannot listen ",errno);
103 logInfo("TelnetServer::TelnetServer started listening on port", mServerPort);
106 ioctl (mConnectFD, FIONBIO, (char *) &a); // should we use the posix call fcntl(mConnectFD, F_SETFL, O_NONBLOCK)
107 setsockopt (mConnectFD, SOL_SOCKET, SO_KEEPALIVE, (char *) &a, sizeof (a));
111 mSocketHandler->addFDPoll(mConnectFD, events, NULL, &telnetConnectFiredCB, NULL, NULL, NULL, mConnecthandle);
114 TelnetServer::~TelnetServer()
116 mTelnetMenuHelper.setTelnetServer(NULL);
119 void TelnetServer::connectSocket(const pollfd pfd, const sh_pollHandle_t handle, void *userData)
121 //first, accept the connection, create a new filedescriptor
122 struct sockaddr answer;
123 socklen_t len=sizeof(answer);
124 connection_s connection;
125 connection.handle = 0;
126 connection.filedescriptor = accept(pfd.fd, (struct sockaddr*)&answer, &len);
129 mTelnetMenuHelper.newSocketConnection(connection.filedescriptor);
131 //set the correct event:
135 //aded the filedescriptor to the sockethandler and register the callbacks for receiving the data
136 mSocketHandler->addFDPoll(connection.filedescriptor,event,NULL,&telnetReceiveFiredCB,&telnetCheckCB,&telnetDispatchCB,NULL,connection.handle);
137 mListConnections.push_back(connection);
140 void TelnetServer::disconnectClient(int filedescriptor)
142 std::vector<connection_s>::iterator iter = mListConnections.begin();
143 while(iter != mListConnections.end())
145 if( filedescriptor == iter->filedescriptor )
147 if( E_OK == mSocketHandler->removeFDPoll(iter->handle))
149 mListConnections.erase(iter);
150 close(filedescriptor);
154 // TODO: Handle error
163 void TelnetServer::receiveData(const pollfd pollfd, const sh_pollHandle_t handle, void *userData)
167 //read until buffer is full or no more data is there
168 int read=recv(pollfd.fd,buffer,100,NULL);
171 //read the message and store it in a queue - its a telnet connection so data will be sent on enter !
172 std::string msg=std::string(buffer,read);
177 bool TelnetServer::dispatchData(const sh_pollHandle_t handle, void *userData)
179 std::vector<connection_s>::iterator iterator=mListConnections.begin();
180 for(;iterator!=mListConnections.end();++iterator)
182 if(iterator->handle==handle) break;
184 //if (iterator==mListConnections.end()) return false;
187 std::queue<std::string> MsgQueue;
188 if(!mMsgList.empty())
190 sliceCommand(mMsgList.front(),command,MsgQueue);
194 mTelnetMenuHelper.enterCmdQueue(MsgQueue,iterator->filedescriptor);
196 // must return false to stop endless polling
201 mMapCommand_t::iterator commandIter=mMapCommands.find(command);
202 if (commandIter==mMapCommands.end())
204 send(iterator->filedescriptor,"Command not found!\n",20,0);
208 commandIter->second(msg,iterator->filedescriptor);
209 //(*commandIter).second(msg,iterator->filedescriptor);
212 //remove the message from the queue and return false if there is no more message to read.
213 if (mMsgList.size()!=0) return true;
218 bool TelnetServer::check(const sh_pollHandle_t handle, void *userData)
222 if (mMsgList.size() != 0) return true;
226 void am::TelnetServer::sliceCommand(const std::string & string, std::string & command, std::queue<std::string> & MsgQueue)
228 std::stringstream stream(string);
229 std::istream_iterator<std::string> begin(stream);
230 std::istream_iterator<std::string> end;
232 bool endOfStream = false;
252 msg = std::vector<std::string>(begin, end);