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>
39 #include "DatabaseHandler.h"
40 #include "RoutingSender.h"
44 DLT_IMPORT_CONTEXT(AudioManager)
46 TelnetServer* TelnetServer::instance = NULL;
48 #define PRINT_BOOL(var) var ? output+="true\t\t" : output+="false\t\t";
50 TelnetServer::TelnetServer(SocketHandler *iSocketHandler, CommandSender *iCommandSender, CommandReceiver *iCommandReceiver, RoutingSender *iRoutingSender, RoutingReceiver *iRoutingReceiver, ControlSender *iControlSender, ControlReceiver *iControlReceiver, DatabaseHandler *iDatabasehandler, unsigned int servPort, unsigned int maxConnections) :
51 telnetConnectFiredCB(this, &TelnetServer::connectSocket), //
52 telnetReceiveFiredCB(this, &TelnetServer::receiveData), //
53 telnetDispatchCB(this, &TelnetServer::dispatchData), //
54 telnetCheckCB(this, &TelnetServer::check), //
55 mSocketHandler(iSocketHandler), //
56 mCommandSender(iCommandSender), //
57 mCommandReceiver(iCommandReceiver), //
58 mRoutingSender(iRoutingSender), //
59 mRoutingReceiver(iRoutingReceiver), //
60 mControlSender(iControlSender), //
61 mControlReceiver(iControlReceiver), //
62 mDatabasehandler(iDatabasehandler), //
65 mListConnections(), //
67 mServerPort(servPort), //
68 mMaxConnections(maxConnections), //
69 mMapCommands(createCommandMap())
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);
80 assert(mMaxConnections!=0);
85 struct sockaddr_in servAddr;
87 //setup the port Listener
88 mConnectFD = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
89 setsockopt(mConnectFD, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int));
90 memset(&servAddr, 0, sizeof(servAddr));
91 servAddr.sin_family = AF_INET;
92 servAddr.sin_addr.s_addr = INADDR_ANY;
93 servAddr.sin_port = htons(servPort);
94 bind(mConnectFD, (struct sockaddr *) &servAddr, sizeof(servAddr));
96 if (listen(mConnectFD, mMaxConnections) < 0)
98 DLT_LOG(AudioManager, DLT_LOG_ERROR, DLT_STRING("TelnetServer::TelnetServerk cannot listen "), DLT_INT(errno));
99 }DLT_LOG(AudioManager, DLT_LOG_INFO, DLT_STRING("TelnetServer::TelnetServerk started listening on port"), DLT_INT(mServerPort));
102 ioctl(mConnectFD, FIONBIO, (char *) &a);
103 setsockopt(mConnectFD, SOL_SOCKET, SO_KEEPALIVE, (char *) &a, sizeof(a));
107 mSocketHandler->addFDPoll(mConnectFD, events, NULL, &telnetConnectFiredCB, NULL, NULL, NULL, mConnecthandle);
110 TelnetServer::~TelnetServer()
114 void TelnetServer::connectSocket(const pollfd pfd, const sh_pollHandle_t handle, void *userData)
116 //first, accept the connection, create a new filedescriptor
117 struct sockaddr answer;
118 socklen_t len = sizeof(answer);
119 connection_s connection;
120 connection.filedescriptor = accept(pfd.fd, (struct sockaddr*) &answer, &len);
122 mListConnections.push_back(connection);
124 //set the correct event:
128 //aded the filedescriptor to the sockethandler and register the callbacks for receiving the data
129 mSocketHandler->addFDPoll(mListConnections.back().filedescriptor, event, NULL, &telnetReceiveFiredCB, &telnetCheckCB, &telnetDispatchCB, NULL, mListConnections.back().handle);
132 void TelnetServer::receiveData(const pollfd pollfd, const sh_pollHandle_t handle, void *userData)
136 //read until buffer is full or no more data is there
137 int read = recv(pollfd.fd, buffer, 100, NULL);
140 //read the message and store it in a queue - its a telnet connection so data will be sent on enter !
141 std::string msg = std::string(buffer, read);
146 bool TelnetServer::dispatchData(const sh_pollHandle_t handle, void *userData)
148 std::vector<connection_s>::iterator iterator = mListConnections.begin();
149 for (; iterator != mListConnections.end(); ++iterator)
151 if (iterator->handle == handle) break;
153 if (iterator == mListConnections.end()) return false;
156 std::vector<std::string> msg;
157 sliceCommand(msgList.front(), command, msg);
159 mMapCommand_t::iterator commandIter = mMapCommands.find(command);
160 if (commandIter == mMapCommands.end())
162 send(iterator->filedescriptor, "Command not found!\n", 20, 0);
166 (*commandIter).second(msg, iterator->filedescriptor);
169 //remove the message from the queue and return false if there is no more message to read.
170 if (msgList.size() != 0) return true;
174 bool TelnetServer::check(const sh_pollHandle_t handle, void *userData)
176 if (msgList.size() != 0) return true;
180 void TelnetServer::listCommand(std::vector<std::string>& msg, int filedescriptor)
182 instance->listCommandShadow(msg, filedescriptor);
185 void TelnetServer::listCommandShadow(std::vector<std::string> & msg, int filedescriptor)
190 output += "No second parameter given after list, please enter\n";
192 else if (msg.front().compare("plugins") == 0)
194 std::vector<std::string> plugins;
195 mRoutingSender->getListPlugins(plugins);
196 std::vector<std::string>::iterator it = plugins.begin();
197 output = "\n\nrouting plugins:\n-------------------------\n";
198 for (; it != plugins.end(); ++it)
200 output += *it + "\n";
203 else if (msg.front().compare("domains") == 0)
205 output = "domainID\t\tdomainName\t\tbusName\t\tnodeName\t\tearly\t\tstate\t\tcomplete\n";
206 output += "-------------------------------------------------------------------------------------\n";
207 std::vector<am_Domain_s> domainList;
208 mDatabasehandler->getListDomains(domainList);
209 std::vector<am_Domain_s>::iterator it = domainList.begin();
210 for (; it != domainList.end(); ++it)
212 output += it->domainID + "\t\t";
213 output += it->name + "\t\t";
214 output += it->busname + "\t\t";
215 output += it->nodename + "\t\t";
216 PRINT_BOOL(it->early);
220 output += "DS_CONTROLLED\t\t";
222 case DS_INDEPENDENT_STARTUP:
223 output += "DS_INDEPENDENT_STARTUP\t\t";
225 case DS_INDEPENDENT_RUNDOWN:
226 output += "DS_INDEPENDENT_RUNDOWN\t\t";
229 output += "undefined\t\t";
231 }PRINT_BOOL(it->complete);
236 output = "did not recognize parameter: " + msg.front() + "\n";
238 send(filedescriptor, output.c_str(), output.size(), 0);
241 void am::TelnetServer::sliceCommand(const std::string & string, std::string & command, std::vector<std::string> & msg)
243 std::stringstream stream(string);
244 std::istream_iterator<std::string> begin(stream);
245 std::istream_iterator<std::string> end;
247 msg = std::vector<std::string>(begin, end);
250 TelnetServer::mMapCommand_t TelnetServer::createCommandMap()
252 mMapCommand_t commands;
253 commands.insert(std::make_pair("list", &TelnetServer::listCommand));