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)
118 //first, accept the connection, create a new filedescriptor
119 struct sockaddr answer;
120 socklen_t len = sizeof(answer);
121 connection_s connection;
122 connection.filedescriptor = accept(pfd.fd, (struct sockaddr*) &answer, &len);
124 mListConnections.push_back(connection);
126 //set the correct event:
130 //aded the filedescriptor to the sockethandler and register the callbacks for receiving the data
131 mSocketHandler->addFDPoll(mListConnections.back().filedescriptor, event, NULL, &telnetReceiveFiredCB, &telnetCheckCB, &telnetDispatchCB, NULL, mListConnections.back().handle);
134 void TelnetServer::receiveData(const pollfd pollfd, const sh_pollHandle_t handle, void *userData)
140 //read until buffer is full or no more data is there
141 int read = recv(pollfd.fd, buffer, 100, NULL);
144 //read the message and store it in a queue - its a telnet connection so data will be sent on enter !
145 std::string msg = std::string(buffer, read);
150 bool TelnetServer::dispatchData(const sh_pollHandle_t handle, void *userData)
154 std::vector<connection_s>::iterator iterator = mListConnections.begin();
155 for (; iterator != mListConnections.end(); ++iterator)
157 if (iterator->handle == handle) break;
159 if (iterator == mListConnections.end()) return false;
162 std::vector<std::string> msg;
163 sliceCommand(msgList.front(), command, msg);
165 mMapCommand_t::iterator commandIter = mMapCommands.find(command);
166 if (commandIter == mMapCommands.end())
168 send(iterator->filedescriptor, "Command not found!\n", 20, 0);
172 (*commandIter).second(msg, iterator->filedescriptor);
175 //remove the message from the queue and return false if there is no more message to read.
176 if (msgList.size() != 0) return true;
180 bool TelnetServer::check(const sh_pollHandle_t handle, void *userData)
184 if (msgList.size() != 0) return true;
188 void TelnetServer::listCommand(std::vector<std::string>& msg, int filedescriptor)
190 instance->listCommandShadow(msg, filedescriptor);
193 void TelnetServer::listCommandShadow(std::vector<std::string> & msg, int filedescriptor)
198 output += "No second parameter given after list, please enter\n";
200 else if (msg.front().compare("plugins") == 0)
202 std::vector<std::string> plugins;
203 mRoutingSender->getListPlugins(plugins);
204 std::vector<std::string>::iterator it = plugins.begin();
205 output = "\n\nrouting plugins:\n-------------------------\n";
206 for (; it != plugins.end(); ++it)
208 output += *it + "\n";
211 else if (msg.front().compare("domains") == 0)
213 output = "domainID\t\tdomainName\t\tbusName\t\tnodeName\t\tearly\t\tstate\t\tcomplete\n";
214 output += "-------------------------------------------------------------------------------------\n";
215 std::vector<am_Domain_s> domainList;
216 mDatabasehandler->getListDomains(domainList);
217 std::vector<am_Domain_s>::iterator it = domainList.begin();
218 for (; it != domainList.end(); ++it)
220 output += it->domainID + "\t\t";
221 output += it->name + "\t\t";
222 output += it->busname + "\t\t";
223 output += it->nodename + "\t\t";
224 PRINT_BOOL(it->early);
228 output += "DS_CONTROLLED\t\t";
230 case DS_INDEPENDENT_STARTUP:
231 output += "DS_INDEPENDENT_STARTUP\t\t";
233 case DS_INDEPENDENT_RUNDOWN:
234 output += "DS_INDEPENDENT_RUNDOWN\t\t";
237 output += "undefined\t\t";
239 }PRINT_BOOL(it->complete);
244 output = "did not recognize parameter: " + msg.front() + "\n";
246 send(filedescriptor, output.c_str(), output.size(), 0);
249 void am::TelnetServer::sliceCommand(const std::string & string, std::string & command, std::vector<std::string> & msg)
251 std::stringstream stream(string);
252 std::istream_iterator<std::string> begin(stream);
253 std::istream_iterator<std::string> end;
255 msg = std::vector<std::string>(begin, end);
258 TelnetServer::mMapCommand_t TelnetServer::createCommandMap()
260 mMapCommand_t commands;
261 commands.insert(std::make_pair("list", &TelnetServer::listCommand));