static void
readFromChannel(TConn * const connectionP,
bool * const eofP,
const char ** const errorP) {
/*----------------------------------------------------------------------------
Read some data from the channel of Connection *connectionP.
Iff there is none available to read, return *eofP == true.
-----------------------------------------------------------------------------*/
uint32_t bytesRead;
bool readError;
ChannelRead(connectionP->channelP,
connectionP->buffer.b + connectionP->buffersize,
bufferSpace(connectionP) - 1,
&bytesRead, &readError);
if (readError)
xmlrpc_asprintf(errorP, "Error reading from channel");
else {
*errorP = NULL;
if (bytesRead > 0) {
*eofP = FALSE;
traceChannelRead(connectionP, bytesRead);
connectionP->inbytes += bytesRead;
connectionP->buffersize += bytesRead;
connectionP->buffer.t[connectionP->buffersize] = '\0';
} else
*eofP = TRUE;
}
}
abyss_bool
ConnRead(TConn * const connectionP,
uint32_t const timeout) {
/*----------------------------------------------------------------------------
Read some stuff on connection *connectionP from the socket.
Don't wait more than 'timeout' seconds for data to arrive. Fail if
nothing arrives within that time.
-----------------------------------------------------------------------------*/
time_t const deadline = time(NULL) + timeout;
abyss_bool cantGetData;
abyss_bool gotData;
cantGetData = FALSE;
gotData = FALSE;
while (!gotData && !cantGetData) {
int const timeLeft = deadline - time(NULL);
if (timeLeft <= 0)
cantGetData = TRUE;
else {
int rc;
rc = SocketWait(connectionP->socketP, TRUE, FALSE,
timeLeft * 1000);
if (rc != 1)
cantGetData = TRUE;
else {
uint32_t bytesAvail;
bytesAvail = SocketAvailableReadBytes(connectionP->socketP);
if (bytesAvail <= 0)
cantGetData = TRUE;
else {
uint32_t const bytesToRead =
MIN(bytesAvail, bufferSpace(connectionP)-1);
uint32_t bytesRead;
bytesRead = SocketRead(
connectionP->socketP,
(unsigned char*)connectionP->buffer + connectionP->buffersize,
bytesToRead);
if (bytesRead > 0) {
traceSocketRead(connectionP, bytesRead);
connectionP->inbytes += bytesRead;
connectionP->buffersize += bytesRead;
connectionP->buffer[connectionP->buffersize] = '\0';
gotData = TRUE;
}
}
}
}
}
if (gotData)
return TRUE;
else
return FALSE;
}
