/**
* Sends an MQTT packet from multiple buffers in one system call write
* @param socket the socket to which to write the data
* @param header the one-byte MQTT header
* @param count the number of buffers
* @param buffers the rest of the buffers to write (not including remaining length)
* @param buflens the lengths of the data in the array of buffers to be written
* @return the completion code (TCPSOCKET_COMPLETE etc)
*/
int MQTTPacket_sends(int socket, Header header, int count, char** buffers, int* buflens)
{
int i, rc, buf0len, total = 0;
char *buf;
FUNC_ENTRY;
buf = malloc(10);
buf[0] = header.byte;
for (i = 0; i < count; i++)
total += buflens[i];
buf0len = 1 + MQTTPacket_encode(&buf[1], total);
#if !defined(NO_PERSISTENCE)
if (header.bits.type == PUBLISH && header.bits.qos != 0)
{ /* persist PUBLISH QoS1 and Qo2 */
char *ptraux = buffers[2];
int msgId = readInt(&ptraux);
rc = MQTTPersistence_put(socket, buf, buf0len, count, buffers, buflens,
header.bits.type, msgId, 0);
}
#endif
rc = Socket_putdatas(socket, buf, buf0len, count, buffers, buflens);
if (rc != TCPSOCKET_INTERRUPTED)
free(buf);
FUNC_EXIT_RC(rc);
return rc;
}
/**
* Sends an MQTT packet from multiple buffers in one system call write
* @param socket the socket to which to write the data
* @param header the one-byte MQTT header
* @param count the number of buffers
* @param buffers the rest of the buffers to write (not including remaining length)
* @param buflens the lengths of the data in the array of buffers to be written
* @return the completion code (TCPSOCKET_COMPLETE etc)
*/
int MQTTPacket_sends(networkHandles* net, Header header, int count, char** buffers, size_t* buflens, int* frees)
{
int i, rc, buf0len, total = 0;
char *buf;
FUNC_ENTRY;
buf = malloc(10);
buf[0] = header.byte;
for (i = 0; i < count; i++)
total += buflens[i];
buf0len = 1 + MQTTPacket_encode(&buf[1], total);
#if !defined(NO_PERSISTENCE)
if (header.bits.type == PUBLISH && header.bits.qos != 0)
{ /* persist PUBLISH QoS1 and Qo2 */
char *ptraux = buffers[2];
int msgId = readInt(&ptraux);
rc = MQTTPersistence_put(net->socket, buf, buf0len, count, buffers, buflens,
header.bits.type, msgId, 0);
}
#endif
#if defined(OPENSSL)
if (net->ssl)
rc = SSLSocket_putdatas(net->ssl, net->socket, buf, buf0len, count, buffers, buflens, frees);
else
#endif
rc = Socket_putdatas(net->socket, buf, buf0len, count, buffers, buflens, frees);
if (rc == TCPSOCKET_COMPLETE)
time(&(net->lastSent));
if (rc != TCPSOCKET_INTERRUPTED)
free(buf);
FUNC_EXIT_RC(rc);
return rc;
}
/**
* Sends an MQTT packet in one system call write
* @param socket the socket to which to write the data
* @param header the one-byte MQTT header
* @param buffer the rest of the buffer to write (not including remaining length)
* @param buflen the length of the data in buffer to be written
* @return the completion code (TCPSOCKET_COMPLETE etc)
*/
int MQTTPacket_send(int socket, Header header, char* buffer, int buflen)
{
int rc, buf0len;
char *buf;
FUNC_ENTRY;
buf = malloc(10);
buf[0] = header.byte;
buf0len = 1 + MQTTPacket_encode(&buf[1], buflen);
#if !defined(NO_PERSISTENCE)
if (header.bits.type == PUBREL)
{
char* ptraux = buffer;
int msgId = readInt(&ptraux);
rc = MQTTPersistence_put(socket, buf, buf0len, 1, &buffer, &buflen,
header.bits.type, msgId, 0);
}
#endif
rc = Socket_putdatas(socket, buf, buf0len, 1, &buffer, &buflen);
if (rc != TCPSOCKET_INTERRUPTED)
free(buf);
FUNC_EXIT_RC(rc);
return rc;
}
/**
* Sends an MQTT packet in one system call write
* @param socket the socket to which to write the data
* @param header the one-byte MQTT header
* @param buffer the rest of the buffer to write (not including remaining length)
* @param buflen the length of the data in buffer to be written
* @return the completion code (TCPSOCKET_COMPLETE etc)
*/
int MQTTPacket_send(networkHandles* net, Header header, char* buffer, size_t buflen, int free)
{
int rc, buf0len;
char *buf;
FUNC_ENTRY;
buf = malloc(10);
buf[0] = header.byte;
buf0len = 1 + MQTTPacket_encode(&buf[1], buflen);
#if !defined(NO_PERSISTENCE)
if (header.bits.type == PUBREL)
{
char* ptraux = buffer;
int msgId = readInt(&ptraux);
rc = MQTTPersistence_put(net->socket, buf, buf0len, 1, &buffer, &buflen,
header.bits.type, msgId, 0);
}
#endif
#if defined(OPENSSL)
if (net->ssl)
rc = SSLSocket_putdatas(net->ssl, net->socket, buf, buf0len, 1, &buffer, &buflen, &free);
else
#endif
rc = Socket_putdatas(net->socket, buf, buf0len, 1, &buffer, &buflen, &free);
if (rc == TCPSOCKET_COMPLETE)
time(&(net->lastSent));
if (rc != TCPSOCKET_INTERRUPTED)
free(buf);
FUNC_EXIT_RC(rc);
return rc;
}