void continueAfterClientCreation1() {
setUserAgentString(userAgent);
if (sendOptionsRequest) {
// Begin by sending an "OPTIONS" command:
getOptions(continueAfterOPTIONS);
} else {
continueAfterOPTIONS(NULL, 0, NULL);
}
}
SIPClient::SIPClient(UsageEnvironment& env,
unsigned char desiredAudioRTPPayloadFormat,
char const* mimeSubtype,
int verbosityLevel, char const* applicationName)
: Medium(env),
fT1(500000 /* 500 ms */),
fDesiredAudioRTPPayloadFormat(desiredAudioRTPPayloadFormat),
fVerbosityLevel(verbosityLevel), fCSeq(0),
fUserAgentHeaderStr(NULL), fUserAgentHeaderStrLen(0),
fURL(NULL), fURLSize(0),
fToTagStr(NULL), fToTagStrSize(0),
fUserName(NULL), fUserNameSize(0),
fInviteSDPDescription(NULL), fInviteSDPDescriptionReturned(NULL),
fInviteCmd(NULL), fInviteCmdSize(0) {
if (mimeSubtype == NULL) mimeSubtype = "";
fMIMESubtype = strDup(mimeSubtype);
fMIMESubtypeSize = strlen(fMIMESubtype);
if (applicationName == NULL) applicationName = "";
fApplicationName = strDup(applicationName);
fApplicationNameSize = strlen(fApplicationName);
struct in_addr ourAddress;
ourAddress.s_addr = ourIPAddress(env); // hack
fOurAddressStr = strDup(AddressString(ourAddress).val());
fOurAddressStrSize = strlen(fOurAddressStr);
fOurSocket = new Groupsock(env, ourAddress, 0, 255);
if (fOurSocket == NULL) {
env << "ERROR: Failed to create socket for addr "
<< fOurAddressStr << ": "
<< env.getResultMsg() << "\n";
}
// Now, find out our source port number. Hack: Do this by first trying to
// send a 0-length packet, so that the "getSourcePort()" call will work.
fOurSocket->output(envir(), (unsigned char*)"", 0);
Port srcPort(0);
getSourcePort(env, fOurSocket->socketNum(), srcPort);
if (srcPort.num() != 0) {
fOurPortNum = ntohs(srcPort.num());
} else {
// No luck. Try again using a default port number:
fOurPortNum = 5060;
delete fOurSocket;
fOurSocket = new Groupsock(env, ourAddress, fOurPortNum, 255);
if (fOurSocket == NULL) {
env << "ERROR: Failed to create socket for addr "
<< fOurAddressStr << ", port "
<< fOurPortNum << ": "
<< env.getResultMsg() << "\n";
}
}
// Set the "User-Agent:" header to use in each request:
char const* const libName = "LIVE555 Streaming Media v";
char const* const libVersionStr = LIVEMEDIA_LIBRARY_VERSION_STRING;
char const* libPrefix; char const* libSuffix;
if (applicationName == NULL || applicationName[0] == '\0') {
applicationName = libPrefix = libSuffix = "";
} else {
libPrefix = " (";
libSuffix = ")";
}
unsigned userAgentNameSize
= fApplicationNameSize + strlen(libPrefix) + strlen(libName) + strlen(libVersionStr) + strlen(libSuffix) + 1;
char* userAgentName = new char[userAgentNameSize];
sprintf(userAgentName, "%s%s%s%s%s",
applicationName, libPrefix, libName, libVersionStr, libSuffix);
setUserAgentString(userAgentName);
delete[] userAgentName;
reset();
}
