static void receive_smpp_thread(void *arg)
{
ESME *esme;
Octstr *os;
long len;
long sender_id;
SMPP_PDU *pdu;
esme = arg;
sender_id = -1;
len = 0;
while (!quitting && conn_wait(esme->conn, -1.0) != -1) {
for (;;) {
if (len == 0) {
len = smpp_pdu_read_len(esme->conn);
if (len == -1) {
error(0, "Client sent garbage, closing connection.");
goto error;
} else if (len == 0) {
if (conn_eof(esme->conn) || conn_error(esme->conn))
goto error;
break;
}
}
gw_assert(len > 0);
os = smpp_pdu_read_data(esme->conn, len);
if (os != NULL) {
len = 0;
pdu = smpp_pdu_unpack(NULL, os);
if (pdu == NULL) {
error(0, "PDU unpacking failed!");
octstr_dump(os, 0);
} else {
handle_pdu(esme, pdu);
smpp_pdu_destroy(pdu);
}
octstr_destroy(os);
} else if (conn_eof(esme->conn) || conn_error(esme->conn))
goto error;
else
break;
}
if (!quitting && esme->receiver && sender_id == -1)
sender_id = gwthread_create(send_smpp_thread, esme);
}
error:
if (sender_id != -1) {
quit();
gwthread_join(sender_id);
}
esme_destroy(esme);
quit();
debug("test.smpp", 0, "%s terminates.", __func__);
}
/* Copied from Kannel smsc_smpp.c */
static int smpp_listener_read_pdu(SMPPEsme *smpp_esme, long *len, SMPP_PDU **pdu)
{
Connection *conn = smpp_esme->conn;
if(conn == NULL) {
return -1;
}
Octstr *os;
if (*len == 0) {
*len = smpp_pdu_read_len(conn);
if (*len == -1) {
error(0, "SMPP[%s:%ld]: Client sent garbage, ignored.",
octstr_get_cstr(smpp_esme->system_id), smpp_esme->id);
*len = 0;
return -2;
} else if (*len == 0) {
if (conn_eof(conn) || conn_error(conn))
return -1;
return 0;
}
}
os = smpp_pdu_read_data(conn, *len);
if (os == NULL) {
if (conn_eof(conn) || conn_error(conn))
return -1;
return 0;
}
*len = 0;
*pdu = smpp_pdu_unpack(smpp_esme->system_id, os);
if (*pdu == NULL) {
error(0, "SMPP[%s]: PDU unpacking failed.",
octstr_get_cstr(smpp_esme->system_id));
debug("smpp.listener.read.pdu", 0, "SMPP[%s]: Failed PDU follows.",
octstr_get_cstr(smpp_esme->system_id));
octstr_dump(os, 0);
octstr_destroy(os);
return -2;
}
octstr_destroy(os);
return 1;
}