int32 MSNConnection::Receiver(void *con) {
LOG(kProtocolName, liLow, "C[r] %lX: Receiver init", con);
MSNConnection *connection = reinterpret_cast<MSNConnection *>(con);
const uint32 kSleep = 2000000;
BMessenger **kMsgr = &connection->fSockMsgr;
int32 socket = 0;
if ( !(*kMsgr)->IsValid() ) {
LOG(kProtocolName, liLow, "C[r] %lX: Messenger wasn't valid!", connection);
return B_ERROR;
}
BMessage reply;
socket = connection->fSock;
struct fd_set read;
struct fd_set error;
int16 bytes = 0;
int32 processed = 0;
char buffer[1024];
BString commandBuff = "";
int32 kNewLineLen = strlen("\r\n");
LOG(kProtocolName, liLow, "C[r] %lX: Starting receiver loop", connection);
while ((*kMsgr)->IsValid() == true) {
FD_ZERO(&read);
FD_ZERO(&error);
FD_SET(socket, &read);
FD_SET(socket, &error);
memset(buffer, 0, sizeof(buffer));
if (select(socket + 1, &read, NULL, &error, NULL) > 0) {
if (FD_ISSET(socket, &error)) {
LOG(kProtocolName, liLow, "C[r] %lX: Got socket error", connection);
snooze(kSleep);
continue;
};
if (FD_ISSET(socket, &read)) {
bytes = recv(socket, buffer, sizeof(buffer), 0);
if (bytes > 0) {
commandBuff.Append(buffer, bytes);
processed += bytes;
} else {
if ((*kMsgr)->IsValid() == false) return B_OK;
LOG(kProtocolName, liLow, "C[r] %lX: Socket got less than 0 (or 0)",
connection);
perror("SOCKET ERROR");
BMessage msg(msnmsgCloseConnection);
msg.AddPointer("connection", con);
connection->fManMsgr.SendMessage(&msg);
connection->fState = otOffline;
return B_ERROR;
};
};
};
int32 commandLen = commandBuff.FindFirst("\r\n");
while (commandLen > 0) {
BString command = "";
int32 totalLen = commandBuff.Length();
commandBuff.MoveInto(command, 0, commandLen + kNewLineLen);
processed = totalLen - (commandLen + kNewLineLen);
Command *comm = new Command("");
comm->MakeObject(command.String());
int32 payloadLen = 0;
if (comm->ExpectsPayload(&payloadLen) == true) {
LOG(kProtocolName, liDebug, "C[r] %lX: Payload of %i, have %i bytes",
connection, payloadLen, processed);
while (processed < payloadLen) {
FD_ZERO(&read);
FD_ZERO(&error);
FD_SET(socket, &read);
FD_SET(socket, &error);
memset(buffer, 0, sizeof(buffer));
if (select(socket + 1, &read, NULL, &error, NULL) > 0) {
if (FD_ISSET(socket, &error)) {
LOG(kProtocolName, liLow, "C[r] %lX: Got socket error",
connection);
snooze(kSleep);
continue;
};
if (FD_ISSET(socket, &read)) {
bytes = recv(socket, buffer, min_c(payloadLen - processed, (int32)sizeof(buffer)), 0);
if (bytes > 0) {
commandBuff.Append(buffer, bytes);
processed += bytes;
} else {
if ( (*kMsgr)->IsValid() == false) return B_OK;
LOG(kProtocolName, liLow, "--C[r] %lX: Socket got less than 0 (or 0: %i)",
connection, bytes);
perror("SOCKET ERROR");
BMessage msg(msnmsgCloseConnection);
msg.AddPointer("connection", con);
connection->fManMsgr.SendMessage(&msg);
connection->fState = otOffline;
return B_ERROR;
};
};
};
};
// add payload to message?
comm->AddPayload( commandBuff.String(), payloadLen, false );
commandBuff.Remove( 0, payloadLen );
processed = commandBuff.Length();
};
BMessage dataReady(msnmsgDataReady);
dataReady.AddPointer("command", comm);
(*kMsgr)->SendMessage(&dataReady);
// this line needed to process several commands at once if they're in the
// buffer
commandLen = commandBuff.FindFirst("\r\n");
};
};
return B_OK;
};
