int RecvSocketStream(int sd, char buffer[CF_BUFSIZE], int toget, int nothing)
{
int already, got;
CfDebug("RecvSocketStream(%d)\n", toget);
if (toget > CF_BUFSIZE - 1)
{
CfOut(cf_error, "", "Bad software request for overfull buffer");
return -1;
}
for (already = 0; already != toget; already += got)
{
got = recv(sd, buffer + already, toget - already, 0);
if ((got == -1) && (errno == EINTR))
{
continue;
}
if ((got == -1) && (LastRecvTimedOut()))
{
CfOut(cf_error, "recv", "!! Timeout - remote end did not respond with the expected amount of data (received=%d, expecting=%d)",
already, toget);
return -1;
}
if (got == -1)
{
CfOut(cf_error, "recv", "Couldn't recv");
return -1;
}
if (got == 0) /* doesn't happen unless sock is closed */
{
CfDebug("Transmission empty or timed out...\n");
break;
}
CfDebug(" (Concatenated %d from stream)\n", got);
}
buffer[already] = '\0';
return already;
}
/**
* @brief Receive up to #toget bytes, plus a '\0', into buffer from sd.
* @param sd Socket descriptor
* @param buffer Buffer into which to read data
* @param toget Number of bytes to read; a '\0' shall be written after
* the data; buffer must have space for that.
* @return -1 on error; or actual length read.
*/
int RecvSocketStream(int sd, char buffer[CF_BUFSIZE], int toget)
{
int already, got;
if (toget > CF_BUFSIZE - 1 || toget < 0)
{
Log(LOG_LEVEL_ERR, "Bad software request to receive %d bytes", toget);
return -1;
}
for (already = 0; already < toget; already += got)
{
got = recv(sd, buffer + already, toget - already, 0);
if (got == -1)
{
if (errno == EINTR)
{
continue;
}
else if (LastRecvTimedOut())
{
Log(LOG_LEVEL_ERR,
"Timeout - remote end did not respond with the expected amount of data (received=%d, expecting=%d). (recv: %s)",
already, toget, GetErrorStr());
}
else
{
Log(LOG_LEVEL_ERR, "Couldn't receive. (recv: %s)", GetErrorStr());
}
return -1;
}
else if (got == 0) /* doesn't happen unless sock is closed */
{
break;
}
}
assert(already <= toget);
buffer[already] = '\0';
return already;
}
int RecvSocketStream(int sd, char buffer[CF_BUFSIZE], int toget)
{
int already, got;
if (toget > CF_BUFSIZE - 1)
{
Log(LOG_LEVEL_ERR, "Bad software request for overfull buffer");
return -1;
}
for (already = 0; already != toget; already += got)
{
got = recv(sd, buffer + already, toget - already, 0);
if ((got == -1) && (errno == EINTR))
{
continue;
}
if ((got == -1) && (LastRecvTimedOut()))
{
Log(LOG_LEVEL_ERR, "!! Timeout - remote end did not respond with the expected amount of data (received=%d, expecting=%d): %s",
already, toget, GetErrorStr());
return -1;
}
if (got == -1)
{
Log(LOG_LEVEL_ERR, "Couldn't recv: %s", GetErrorStr());
return -1;
}
if (got == 0) /* doesn't happen unless sock is closed */
{
break;
}
}
buffer[already] = '\0';
return already;
}
