GPResult
gpiSendBuddyMessage(
GPConnection * connection,
int profileid,
int type,
const char * message,
int sendOption,
GPIPeerOp *peerOp
)
{
GPIPeer * peer;
GPIProfile * profile;
//GPIConnection *iconnection = (GPIConnection *)*connection;
peer = gpiGetPeerByProfile(connection, profileid);
if(!peer)
{
// Check if we should send this through the server.
////////////////////////////////////////////////////
if(!gpiGetProfile(connection, profileid, &profile) ||
(!profile->buddyStatusInfo || !profile->buddyStatusInfo->buddyPort))
{
if (sendOption == GP_DONT_ROUTE)
return GP_NETWORK_ERROR;
return gpiSendServerBuddyMessage(connection, profileid, type, message);
}
// Create a new peer connection for this message.
/////////////////////////////////////////////////
peer = gpiAddPeer(connection, profileid, GPITrue);
if(!peer)
return GP_MEMORY_ERROR;
// Check if we need a sig.
//////////////////////////
if(!profile->peerSig)
{
// Get the sig.
///////////////
CHECK_RESULT(gpiPeerGetSig(connection, peer));
}
else
{
// Try to connect to the peer.
//////////////////////////////
CHECK_RESULT(gpiPeerStartConnect(connection, peer));
}
}
else if (peer->state == GPI_PEER_DISCONNECTED)
{
if (gpiGetProfile(connection, profileid, &profile))
{
// clear the buddy port to prevent future messages from
// being sent via UDP layer
if (profile->buddyStatusInfo)
profile->buddyStatusInfo->buddyPort = 0;
// send the message through the server
if (sendOption == GP_DONT_ROUTE)
return GP_NETWORK_ERROR;
if (type < 100)
return gpiSendServerBuddyMessage(connection, profileid, type, message);
}
}
if (peerOp)
{
gpiPeerAddOp(peer, peerOp);
}
// Copy the message.
////////////////////
CHECK_RESULT(gpiPeerAddMessage(connection, peer, type, message));
return GP_NO_ERROR;
}
//FUNCTIONS
///////////
static GPResult
gpiProcessPeerInitiatingConnection(
GPConnection * connection,
GPIPeer * peer
)
{
GPIConnection * iconnection = (GPIConnection*)*connection;
//int state;
char * str = NULL;
//int len;
GPIBool connClosed;
GPIProfile * pProfile;
GPResult result;
GSUdpPeerState aPeerState;
GS_ASSERT(peer);
if (!peer)
return GP_NETWORK_ERROR;
GS_ASSERT(peer->state != GPI_PEER_DISCONNECTED && peer->state != GPI_PEER_NOT_CONNECTED);
if (peer->state == GPI_PEER_DISCONNECTED || peer->state == GPI_PEER_NOT_CONNECTED)
return GP_NETWORK_ERROR;
// Check the state.
///////////////////
switch(peer->state)
{
case GPI_PEER_GETTING_SIG:
// Do nothing - we're waiting for getinfo to get the sig.
/////////////////////////////////////////////////////////
break;
case GPI_PEER_GOT_SIG:
{
// Start the connect.
/////////////////////
gsDebugFormat(GSIDebugCat_GP, GSIDebugType_State, GSIDebugLevel_Verbose, "Got the peer signature for profileid: %d\n", peer->profile);
CHECK_RESULT(gpiPeerStartConnect(connection, peer));
break;
}
case GPI_PEER_CONNECTING:
{
// Check if the connect finished.
/////////////////////////////////
/*
CHECK_RESULT(gpiCheckSocketConnect(connection, peer->sock, &state));
if(state == GPI_DISCONNECTED)
{
Error(connection, GP_NETWORK_ERROR, "Error connecting to a peer.");
}
*/
gsUdpEngineGetPeerState(peer->ip, peer->port, &aPeerState);
if(aPeerState == GS_UDP_PEER_CONNECTED)
{
GPIPeer * pcurr;
GPIBool freePeerSig = GPITrue;
// Get the profile object.
//////////////////////////
if(!gpiGetProfile(connection, peer->profile, &pProfile))
Error(connection, GP_NETWORK_ERROR, "Error connecting to a peer.");
// Send the auth.
/////////////////
gpiAppendStringToBuffer(connection, &peer->outputBuffer, "\\auth\\");
gpiAppendStringToBuffer(connection, &peer->outputBuffer, "\\pid\\");
gpiAppendIntToBuffer(connection, &peer->outputBuffer, iconnection->profileid);
gpiAppendStringToBuffer(connection, &peer->outputBuffer, "\\nick\\");
gpiAppendStringToBuffer(connection, &peer->outputBuffer, iconnection->nick);
gpiAppendStringToBuffer(connection, &peer->outputBuffer, "\\sig\\");
gpiAppendStringToBuffer(connection, &peer->outputBuffer, pProfile->peerSig);
gpiAppendStringToBuffer(connection, &peer->outputBuffer, "\\final\\");
// Are there any other peers still connecting?
//////////////////////////////////////////////
for(pcurr = iconnection->peerList ; pcurr != NULL ; pcurr = pcurr->pnext)
if((pcurr->profile == peer->profile) && (pcurr != peer))
if(pcurr->state <= GPI_PEER_CONNECTING)
freePeerSig = GPIFalse;
// freeclear it?
///////////
if(freePeerSig)
{
freeclear(pProfile->peerSig);
if(gpiCanFreeProfile(pProfile))
gpiRemoveProfile(connection, pProfile);
}
// Update the state.
////////////////////
peer->state = GPI_PEER_WAITING;
}
break;
}
case GPI_PEER_WAITING:
{
// Check for a response.
////////////////////////
//CHECK_RESULT(gpiRecvToBuffer(connection, peer->sock, &peer->inputBuffer, &len, &connClosed, "PR"));
// Check for a final.
/////////////////////
if (peer->inputBuffer.buffer)
str = strstr(peer->inputBuffer.buffer, "\\final\\");
if(str != NULL)
{
str[0] = '\0';
str += 7;
// Was it rejected?
///////////////////
if(strncmp(peer->inputBuffer.buffer, "\\anack\\", 7) == 0)
{
// Rejected.
////////////
peer->nackCount++;
// Is this more than once?
//////////////////////////
if(peer->nackCount > 1)
{
// we shouldn't reach this case unless there is a problem with
// the server when getting a buddy's signature
// Give up already.
///////////////////
Error(connection, GP_NETWORK_ERROR, "Error getting buddy authorization.");
}
// Try getting the latest sig.
//////////////////////////////
CHECK_RESULT(gpiPeerGetSig(connection, peer));
}
else if(strncmp(peer->inputBuffer.buffer, "\\aack\\", 6) != 0)
{
// Unknown message.
///////////////////
Error(connection, GP_NETWORK_ERROR, "Error parsing buddy message.");
}
// The connection has been established.
///////////////////////////////////////
peer->state = GPI_PEER_CONNECTED;
peer->inputBuffer.len = 0;
}
break;
}
// code should not reach here.
default: break;
}
// Send stuff that needs to be sent.
////////////////////////////////////
if(peer->outputBuffer.len > 0)
{
//result = gpiSendFromBuffer(connection, peer->sock, &peer->outputBuffer, &connClosed, GPITrue, "PR");
result = gpiSendBufferToPeer(connection, peer->ip, peer->port, &peer->outputBuffer, &connClosed, GPITrue);
if(connClosed || (result != GP_NO_ERROR))
peer->state = GPI_PEER_DISCONNECTED;
}
return GP_NO_ERROR;
}
