NetworkReturn * ScarabServer::startListening() {
NetworkReturn * rc = new NetworkReturn();
mdebug("startListening()");
if(listening) {
rc->setMWorksCode(NR_SUCCESS_NETWORK_MESSAGE);
rc->setInformation("Server is already running.");
return rc;
}
if(listenUri.size() == 0) {
rc->setMWorksCode(NR_FAILED);
rc->setInformation("URI not specified for server");
return rc;
}
std::string fullUri = createScarabURI();
if(fullUri.size() == 0) {
rc->setMWorksCode(NR_FAILED);
rc->setInformation("Could not create a valid URI");
return rc;
}
int error = 1;
// mnetwork("Trying listening socket at %s on port %d",
// listenAddress.c_str(),
// listenPort);
// mprintf("URI = %s", fullUri.c_str());
listeningSocket = scarab_session_listen(fullUri.c_str());
error = getScarabError(listeningSocket);
while(error) {
mnetwork("Failed to open a listening socket at %s on port %d",
listenAddress.c_str(),
listenPort);
//mdebug("Maybe print out why here??");
// if there is another available port we will try again
if(!chooseNewPort()) {
rc->setMWorksCode(NR_FATAL_ERROR);
rc->setPackageCode(error);
rc->setOSErrorCode(getScarabOSError(listeningSocket));
rc->setInformation("Ran out of ports to listen on. Networking impossible");
rc->appendInformation(getScarabErrorDescription(error));
rc->appendInformation(getOSErrorDescription(
getScarabOSError(listeningSocket)));
return rc;
}
fullUri = createScarabURI();
listeningSocket = scarab_session_listen(fullUri.c_str());
error = getScarabError(listeningSocket);
}
mnetwork("Listening socket started at %s on port %d", listenAddress.c_str(),
listenPort);
listening = true;
return rc;
}
void logDescriptiveScarabMessage(ScarabSession * s) {
int scCode = getScarabError(s); // scarab error code
int oserr = getScarabOSError(s);
const char *scarab_error_string = scarab_strerror(scCode);
mnetwork("ERROR: SCR-%5.5i: %s: %s", scCode, scarab_moderror(scCode),
scarab_error_string);
if(oserr) {
const char *scarab_os_error_string = scarab_os_strerror(oserr);
mnetwork("OSERR: %i: %s", oserr, scarab_os_error_string);
}
}
