mq_stream_t *mq_stream_read_create(mq_context_t *mqc, mq_ongoing_t *on, char *host_id, int hid_len, mq_frame_t *fdata, mq_msg_t *remote_host, int to)
{
mq_stream_t *mqs;
int ptype;
type_malloc_clear(mqs, mq_stream_t, 1);
mqs->mqc = mqc;
mqs->ongoing = on;
mqs->type = MQS_READ;
mqs->want_more = MQS_MORE;
mqs->host_id = host_id;
mqs->hid_len = hid_len;
mqs->timeout = to;
mqs->msid = atomic_global_counter();
if (log_level() > 5) {
char *str = mq_address_to_string(remote_host);
log_printf(5, "remote_host=%s\n", str);
if (str) free(str);
}
mq_get_frame(fdata, (void **)&(mqs->data), &(mqs->len));
mqs->sid_len = mqs->data[MQS_HANDLE_SIZE_INDEX];
type_malloc(mqs->stream_id, char, mqs->sid_len);
memcpy(mqs->stream_id, &(mqs->data[MQS_HANDLE_INDEX]), mqs->sid_len);
ptype = (mqs->data[MQS_PACK_INDEX] == MQS_PACK_COMPRESS) ? PACK_COMPRESS : PACK_NONE;
log_printf(1, "msid=%d ptype=%d pack_type=%c\n", mqs->msid, ptype, mqs->data[MQS_PACK_INDEX]);
mqs->pack = pack_create(ptype, PACK_READ, &(mqs->data[MQS_HEADER]), mqs->len - MQS_HEADER);
log_printf(5, "data_len=%d more=%c MQS_HEADER=%d\n", mqs->len, mqs->data[MQS_STATE_INDEX], MQS_HEADER);
unsigned char buffer[1024];
int n = (50 > mqs->len) ? mqs->len : 50;
log_printf(5, "printing 1st 50 bytes mqsbuf=%s\n", mq_id2str((char *)mqs->data, n, (char *)buffer, 1024));
if (mqs->data[MQS_STATE_INDEX] == MQS_MORE) { //** More data coming so ask for it
log_printf(5, "issuing read request\n");
mqs->remote_host = mq_msg_new();
mq_msg_append_msg(mqs->remote_host, remote_host, MQF_MSG_AUTO_FREE);
if (log_level() >=15) {
char *rhost = mq_address_to_string(mqs->remote_host);
log_printf(15, "remote_host as string = %s\n", rhost);
if (rhost) free(rhost);
}
log_printf(5, "before ongoing_inc\n");
mq_ongoing_host_inc(mqs->ongoing, mqs->remote_host, mqs->host_id, mqs->hid_len, mqs->timeout);
log_printf(5, "after ongoing_inc\n");
mq_stream_read_request(mqs);
}
log_printf(5, "END\n");
return(mqs);
}
// wait for "timeout" milliseconds to receive a packet on socket "s"
pack_t* sock_receive( sock_t* s, int timeout, unsigned long long* wait_ts )
{
int res_cs, res_ur;
assert( s );
timeout = timeout < 0 ? 0 : timeout;
res_cs = SDLNet_CheckSockets( s->sset, timeout ); assert( res_cs != -1 );
if( wait_ts ) *wait_ts = get_t();
if( !res_cs ) return NULL; // no_activity
pack_t* pck = pack_create( NULL, -1 );
res_ur = SDLNet_UDP_Recv( s->sock, pck->p );
if( res_ur == -1 ){printf("[E] Error receiving UDP packet");pack_destroy(pck);return NULL;}
if( res_ur == 0 ){printf("[W] No UDP packet received on an active port");pack_destroy(pck);return NULL;}
s->bytes_recv += pck->p->len;
pck->type = streamer_rdint( pck->st );
return pck;
}
