Hi,
attached is a patch that make usage of priority queue and priority flag in
smsc_at & smsc_emi. This patch makes it possible to prioritize messages and
to ensure that older messages will be sent first.
Comments/votes please!
--
Thanks,
Alex
Index: gw/sms.c
===================================================================
RCS file: /home/cvs/gateway/gw/sms.c,v
retrieving revision 1.17
diff -a -u -p -r1.17 sms.c
--- gw/sms.c 7 Aug 2004 18:12:27 -0000 1.17
+++ gw/sms.c 3 Sep 2004 12:48:09 -0000
@@ -384,3 +384,27 @@ List *sms_split(Msg *orig, Octstr *heade
return list;
}
+
+int sms_priority_compare(const void *a, const void *b)
+{
+ int ret;
+ Msg *msg1 = (Msg*)a, *msg2 = (Msg*)b;
+ gw_assert(msg_type(msg1) == sms);
+ gw_assert(msg_type(msg2) == sms);
+
+ if (msg1->sms.priority > msg2->sms.priority)
+ ret = 1;
+ else if (msg1->sms.priority < msg2->sms.priority)
+ ret = -1;
+ else {
+ if (msg1->sms.time > msg2->sms.time)
+ ret = 1;
+ else if (msg1->sms.time < msg2->sms.time)
+ ret = -1;
+ else
+ ret = 0;
+ }
+
+ return ret;
+}
+
Index: gw/sms.h
===================================================================
RCS file: /home/cvs/gateway/gw/sms.h,v
retrieving revision 1.12
diff -a -u -p -r1.12 sms.h
--- gw/sms.h 28 Aug 2004 18:09:19 -0000 1.12
+++ gw/sms.h 3 Sep 2004 12:48:10 -0000
@@ -191,4 +191,10 @@ List *sms_split(Msg *orig, Octstr *heade
Octstr *nonlast_suffix, Octstr *split_chars, int catenate,
unsigned long msg_sequence, int max_messages, int max_octets);
+/**
+ * Compare priority and time of two sms's.
+ * @return -1 of a < b; 0 a = b; 1 a > b
+ */
+int sms_priority_compare(const void *a, const void *b);
+
#endif
Index: gw/smsc/smsc_at.c
===================================================================
RCS file: /home/cvs/gateway/gw/smsc/smsc_at.c,v
retrieving revision 1.15
diff -a -u -p -r1.15 smsc_at.c
--- gw/smsc/smsc_at.c 19 Aug 2004 23:06:47 -0000 1.15
+++ gw/smsc/smsc_at.c 3 Sep 2004 12:48:11 -0000
@@ -1108,7 +1108,7 @@ reconnect:
idle_timeout = 0;
while (!privdata->shutdown) {
- l = list_len(privdata->outgoing_queue);
+ l = gw_prioqueue_len(privdata->outgoing_queue);
if (l > 0) {
at2_send_messages(privdata);
idle_timeout = time(NULL);
@@ -1155,7 +1155,7 @@ reconnect:
octstr_destroy(privdata->sms_center);
octstr_destroy(privdata->name);
octstr_destroy(privdata->configfile);
- list_destroy(privdata->outgoing_queue, NULL);
+ gw_prioqueue_destroy(privdata->outgoing_queue, NULL);
list_destroy(privdata->pending_incoming_messages, octstr_destroy_item);
gw_free(conn->data);
conn->data = NULL;
@@ -1187,7 +1187,7 @@ int at2_shutdown_cb(SMSCConn *conn, int
*/
if (finish_sending == 0) {
Msg *msg;
- while ((msg = list_extract_first(privdata->outgoing_queue)) != NULL) {
+ while ((msg = gw_prioqueue_remove(privdata->outgoing_queue)) != NULL) {
bb_smscconn_send_failed(conn, msg, SMSCCONN_FAILED_SHUTDOWN, NULL);
}
}
@@ -1205,7 +1205,7 @@ long at2_queued_cb(SMSCConn *conn)
if (conn->status == SMSCCONN_DEAD) /* I'm dead, why would you care ? */
return -1;
- ret = list_len(privdata->outgoing_queue);
+ ret = gw_prioqueue_len(privdata->outgoing_queue);
/* use internal queue as load, maybe something else later */
@@ -1232,7 +1232,7 @@ int at2_add_msg_cb(SMSCConn *conn, Msg *
Msg *copy;
copy = msg_duplicate(sms);
- list_produce(privdata->outgoing_queue, copy);
+ gw_prioqueue_produce(privdata->outgoing_queue, copy);
gwthread_wakeup(privdata->device_thread);
return 0;
}
@@ -1244,7 +1244,7 @@ int smsc_at2_create(SMSCConn *conn, CfgG
Octstr *modem_type_string;
privdata = gw_malloc(sizeof(PrivAT2data));
- privdata->outgoing_queue = list_create();
+ privdata->outgoing_queue = gw_prioqueue_create(sms_priority_compare);
privdata->pending_incoming_messages = list_create();
privdata->configfile = cfg_get_configfile(cfg);
@@ -1341,7 +1341,7 @@ error:
error(0, "AT2[%s]: Failed to create at2 smsc connection",
octstr_len(privdata->name) ? octstr_get_cstr(privdata->name) : "");
if (privdata != NULL) {
- list_destroy(privdata->outgoing_queue, NULL);
+ gw_prioqueue_destroy(privdata->outgoing_queue, NULL);
}
gw_free(privdata);
conn->why_killed = SMSCCONN_KILLED_CANNOT_CONNECT;
@@ -1817,10 +1817,10 @@ void at2_send_messages(PrivAT2data *priv
do {
if (privdata->modem->enable_mms &&
- list_len(privdata->outgoing_queue) > 1)
+ gw_prioqueue_len(privdata->outgoing_queue) > 1)
at2_send_modem_command(privdata, "AT+CMMS=2", 0, 0);
- if ((msg = list_extract_first(privdata->outgoing_queue)))
+ if ((msg = gw_prioqueue_remove(privdata->outgoing_queue)))
at2_send_one_message(privdata, msg);
} while (msg);
}
Index: gw/smsc/smsc_at.h
===================================================================
RCS file: /home/cvs/gateway/gw/smsc/smsc_at.h,v
retrieving revision 1.6
diff -a -u -p -r1.6 smsc_at.h
--- gw/smsc/smsc_at.h 22 Jan 2004 14:08:24 -0000 1.6
+++ gw/smsc/smsc_at.h 3 Sep 2004 12:48:11 -0000
@@ -115,7 +115,7 @@ typedef struct ModemDef {
} ModemDef;
typedef struct PrivAT2data {
- List *outgoing_queue;
+ gw_prioqueue_t *outgoing_queue;
ModemDef *modem;
long device_thread;
int shutdown; /* Internal signal to shut down */
Index: gw/smsc/smsc_emi.c
===================================================================
RCS file: /home/cvs/gateway/gw/smsc/smsc_emi.c,v
retrieving revision 1.12
diff -a -u -p -r1.12 smsc_emi.c
--- gw/smsc/smsc_emi.c 11 Aug 2004 16:41:29 -0000 1.12
+++ gw/smsc/smsc_emi.c 3 Sep 2004 12:48:12 -0000
@@ -93,7 +93,7 @@
typedef struct privdata {
Octstr *name;
- List *outgoing_queue;
+ gw_prioqueue_t *outgoing_queue;
long receiver_thread;
long sender_thread;
int shutdown; /* Internal signal to shut down */
@@ -284,7 +284,7 @@ static Connection *open_send_connection(
while (!privdata->shutdown) {
- while ((msg = list_extract_first(privdata->outgoing_queue))) {
+ while ((msg = gw_prioqueue_remove(privdata->outgoing_queue))) {
bb_smscconn_send_failed(conn, msg,
SMSCCONN_FAILED_TEMPORARILY, NULL);
}
@@ -909,7 +909,7 @@ static void clear_sent(PrivData *privdat
octstr_get_cstr(privdata->name));
for (i = 0; i < EMI2_MAX_TRN; i++) {
if (privdata->slots[i].sendtime && privdata->slots[i].sendtype == 51)
- list_produce(privdata->outgoing_queue, privdata->slots[i].sendmsg);
+ gw_prioqueue_produce(privdata->outgoing_queue, privdata->slots[i].sendmsg);
privdata->slots[i].sendtime = 0;
}
privdata->unacked = 0;
@@ -922,19 +922,19 @@ static void clear_sent(PrivData *privdat
*/
static EMI2Event emi2_wait (SMSCConn *conn, Connection *server, double seconds)
{
- if (emi2_can_send(conn) && list_len(PRIVDATA(conn)->outgoing_queue)) {
+ if (emi2_can_send(conn) && gw_prioqueue_len(PRIVDATA(conn)->outgoing_queue)) {
return EMI2_SENDREQ;
}
if (server != NULL) {
switch (conn_wait(server, seconds)) {
- case 1: return list_len(PRIVDATA(conn)->outgoing_queue) ? EMI2_SENDREQ : EMI2_TIMEOUT;
+ case 1: return gw_prioqueue_len(PRIVDATA(conn)->outgoing_queue) ? EMI2_SENDREQ : EMI2_TIMEOUT;
case 0: return EMI2_SMSCREQ;
default: return EMI2_CONNERR;
}
} else {
gwthread_sleep(seconds);
- return list_len(PRIVDATA(conn)->outgoing_queue) ? EMI2_SENDREQ : EMI2_TIMEOUT;
+ return gw_prioqueue_len(PRIVDATA(conn)->outgoing_queue) ? EMI2_SENDREQ : EMI2_TIMEOUT;
}
}
@@ -998,7 +998,7 @@ static int emi2_do_send(SMSCConn *conn,
/* Send messages if there's room in the sending window */
while (emi2_can_send(conn) &&
- (msg = list_extract_first(PRIVDATA(conn)->outgoing_queue)) != NULL) {
+ (msg = gw_prioqueue_remove(PRIVDATA(conn)->outgoing_queue)) != NULL) {
int nexttrn = emi2_next_trn(conn);
if (conn->throughput)
@@ -1205,7 +1205,7 @@ static void emi2_idleprocessing(SMSCConn
warning(0, "EMI2[%s]: received neither ACK nor NACK for message %d "
"in %d seconds, resending message", octstr_get_cstr(privdata->name),
i, PRIVDATA(conn)->waitack);
- list_produce(PRIVDATA(conn)->outgoing_queue,
+ gw_prioqueue_produce(PRIVDATA(conn)->outgoing_queue,
PRIVDATA(conn)->slots[i].sendmsg);
PRIVDATA(conn)->slots[i].sendtime = 0;
PRIVDATA(conn)->unacked--;
@@ -1363,7 +1363,7 @@ static void emi2_sender(void *arg)
}
}
- while((msg = list_extract_first(privdata->outgoing_queue)) != NULL)
+ while((msg = gw_prioqueue_remove(privdata->outgoing_queue)) != NULL)
bb_smscconn_send_failed(conn, msg, SMSCCONN_FAILED_SHUTDOWN, NULL);
if (privdata->rport > 0)
gwthread_join(privdata->receiver_thread);
@@ -1374,7 +1374,7 @@ static void emi2_sender(void *arg)
debug("bb.sms", 0, "EMI2[%s]: connection has completed shutdown.",
octstr_get_cstr(privdata->name));
- list_destroy(privdata->outgoing_queue, NULL);
+ gw_prioqueue_destroy(privdata->outgoing_queue, NULL);
octstr_destroy(privdata->name);
octstr_destroy(privdata->allow_ip);
octstr_destroy(privdata->deny_ip);
@@ -1533,7 +1533,7 @@ static int add_msg_cb(SMSCConn *conn, Ms
Msg *copy;
copy = msg_duplicate(sms);
- list_produce(privdata->outgoing_queue, copy);
+ gw_prioqueue_produce(privdata->outgoing_queue, copy);
gwthread_wakeup(privdata->sender_thread);
return 0;
@@ -1556,7 +1556,7 @@ static int shutdown_cb(SMSCConn *conn, i
if (finish_sending == 0) {
Msg *msg;
- while((msg = list_extract_first(privdata->outgoing_queue)) != NULL) {
+ while((msg = gw_prioqueue_remove(privdata->outgoing_queue)) != NULL) {
bb_smscconn_send_failed(conn, msg, SMSCCONN_FAILED_SHUTDOWN, NULL);
}
}
@@ -1584,7 +1584,7 @@ static long queued_cb(SMSCConn *conn)
PrivData *privdata = conn->data;
long ret;
- ret = (privdata ? list_len(privdata->outgoing_queue) : 0);
+ ret = (privdata ? gw_prioqueue_len(privdata->outgoing_queue) : 0);
/* use internal queue as load, maybe something else later */
@@ -1606,7 +1606,7 @@ int smsc_emi2_create(SMSCConn *conn, Cfg
allow_ip = deny_ip = host = alt_host = NULL;
privdata = gw_malloc(sizeof(PrivData));
- privdata->outgoing_queue = list_create();
+ privdata->outgoing_queue = gw_prioqueue_create(sms_priority_compare);
privdata->listening_socket = -1;
privdata->can_write = 1;
privdata->priv_nexttrn = 0;
@@ -1800,7 +1800,7 @@ error:
error(0, "EMI2[%s]: Failed to create emi2 smsc connection",
octstr_get_cstr(privdata->name));
if (privdata != NULL) {
- list_destroy(privdata->outgoing_queue, NULL);
+ gw_prioqueue_destroy(privdata->outgoing_queue, NULL);
}
gw_free(privdata);
octstr_destroy(allow_ip);
