| /********** |
| This library is free software; you can redistribute it and/or modify it under |
| the terms of the GNU Lesser General Public License as published by the |
| Free Software Foundation; either version 2.1 of the License, or (at your |
| option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) |
| |
| This library 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 for |
| more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with this library; if not, write to the Free Software Foundation, Inc., |
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| **********/ |
| // "liveMedia" |
| // Copyright (c) 1996-2015 Live Networks, Inc. All rights reserved. |
| // A special object which, when created, sends a custom RTSP "REGISTER" command to a specified client. |
| // Implementation |
| |
| #include "RTSPRegisterSender.hh" |
| #include <GroupsockHelper.hh> // for MAKE_SOCKADDR_IN |
| |
| RTSPRegisterSender* RTSPRegisterSender |
| ::createNew(UsageEnvironment& env, |
| char const* remoteClientNameOrAddress, portNumBits remoteClientPortNum, char const* rtspURLToRegister, |
| RTSPClient::responseHandler* rtspResponseHandler, Authenticator* authenticator, |
| Boolean requestStreamingViaTCP, char const* proxyURLSuffix, Boolean reuseConnection, |
| int verbosityLevel, char const* applicationName) { |
| return new RTSPRegisterSender(env, remoteClientNameOrAddress, remoteClientPortNum, rtspURLToRegister, |
| rtspResponseHandler, authenticator, |
| requestStreamingViaTCP, proxyURLSuffix, reuseConnection, |
| verbosityLevel, applicationName); |
| } |
| |
| void RTSPRegisterSender::grabConnection(int& sock, struct sockaddr_in& remoteAddress) { |
| sock = grabSocket(); |
| |
| MAKE_SOCKADDR_IN(remoteAddr, fServerAddress, htons(fRemoteClientPortNum)); |
| remoteAddress = remoteAddr; |
| } |
| |
| RTSPRegisterSender |
| ::RTSPRegisterSender(UsageEnvironment& env, |
| char const* remoteClientNameOrAddress, portNumBits remoteClientPortNum, char const* rtspURLToRegister, |
| RTSPClient::responseHandler* rtspResponseHandler, Authenticator* authenticator, |
| Boolean requestStreamingViaTCP, char const* proxyURLSuffix, Boolean reuseConnection, |
| int verbosityLevel, char const* applicationName) |
| : RTSPClient(env, NULL, verbosityLevel, applicationName, 0, -1), |
| fRemoteClientPortNum(remoteClientPortNum) { |
| // Set up a connection to the remote client. To do this, we create a fake "rtsp://" URL for it: |
| char const* fakeRTSPURLFmt = "rtsp://%s:%u/"; |
| unsigned fakeRTSPURLSize = strlen(fakeRTSPURLFmt) + strlen(remoteClientNameOrAddress) + 5/* max port num len */; |
| char* fakeRTSPURL = new char[fakeRTSPURLSize]; |
| sprintf(fakeRTSPURL, fakeRTSPURLFmt, remoteClientNameOrAddress, remoteClientPortNum); |
| setBaseURL(fakeRTSPURL); |
| delete[] fakeRTSPURL; |
| |
| // Send the "REGISTER" request: |
| if (authenticator != NULL) fCurrentAuthenticator = *authenticator; |
| (void)sendRequest(new RequestRecord_REGISTER(++fCSeq, rtspResponseHandler, |
| rtspURLToRegister, reuseConnection, requestStreamingViaTCP, proxyURLSuffix)); |
| } |
| |
| RTSPRegisterSender::~RTSPRegisterSender() { |
| } |
| |
| Boolean RTSPRegisterSender::setRequestFields(RequestRecord* request, |
| char*& cmdURL, Boolean& cmdURLWasAllocated, |
| char const*& protocolStr, |
| char*& extraHeaders, Boolean& extraHeadersWereAllocated) { |
| if (strcmp(request->commandName(), "REGISTER") == 0) { |
| RequestRecord_REGISTER* request_REGISTER = (RequestRecord_REGISTER*) request; |
| |
| setBaseURL(request_REGISTER->rtspURLToRegister()); |
| cmdURL = (char*)url(); |
| cmdURLWasAllocated = False; |
| |
| // Generate the "Transport:" header that will contain our REGISTER-specific parameters. This will be "extraHeaders". |
| // First, generate the "proxy_url_suffix" parameter string, if any: |
| char* proxyURLSuffixParameterStr; |
| if (request_REGISTER->proxyURLSuffix() == NULL) { |
| proxyURLSuffixParameterStr = strDup(""); |
| } else { |
| char const* proxyURLSuffixParameterFmt = "; proxy_url_suffix=%s"; |
| unsigned proxyURLSuffixParameterSize = strlen(proxyURLSuffixParameterFmt) |
| + strlen(request_REGISTER->proxyURLSuffix()); |
| proxyURLSuffixParameterStr = new char[proxyURLSuffixParameterSize]; |
| sprintf(proxyURLSuffixParameterStr, proxyURLSuffixParameterFmt, request_REGISTER->proxyURLSuffix()); |
| } |
| |
| char const* transportHeaderFmt = "Transport: %spreferred_delivery_protocol=%s%s\r\n"; |
| unsigned transportHeaderSize = strlen(transportHeaderFmt) + 100/*conservative*/ + strlen(proxyURLSuffixParameterStr); |
| char* transportHeaderStr = new char[transportHeaderSize]; |
| sprintf(transportHeaderStr, transportHeaderFmt, |
| request_REGISTER->reuseConnection() ? "reuse_connection; " : "", |
| request_REGISTER->requestStreamingViaTCP() ? "interleaved" : "udp", |
| proxyURLSuffixParameterStr); |
| delete[] proxyURLSuffixParameterStr; |
| |
| extraHeaders = transportHeaderStr; |
| extraHeadersWereAllocated = True; |
| |
| return True; |
| } else { |
| return RTSPClient::setRequestFields(request, cmdURL, cmdURLWasAllocated, protocolStr, extraHeaders, extraHeadersWereAllocated); |
| } |
| } |
| |
| RTSPRegisterSender::RequestRecord_REGISTER |
| ::RequestRecord_REGISTER(unsigned cseq, RTSPClient::responseHandler* rtspResponseHandler, char const* rtspURLToRegister, |
| Boolean reuseConnection, Boolean requestStreamingViaTCP, char const* proxyURLSuffix) |
| : RTSPClient::RequestRecord(cseq, "REGISTER", rtspResponseHandler), |
| fRTSPURLToRegister(strDup(rtspURLToRegister)), |
| fReuseConnection(reuseConnection), fRequestStreamingViaTCP(requestStreamingViaTCP), fProxyURLSuffix(strDup(proxyURLSuffix)) { |
| } |
| |
| RTSPRegisterSender::RequestRecord_REGISTER::~RequestRecord_REGISTER() { |
| delete[] fRTSPURLToRegister; |
| delete[] fProxyURLSuffix; |
| } |