Hi,

I moved smscconn_uuid to struct split_parts. Please check.

BR,

-----Original Message-----
From: Alexander Malysh [mailto:[email protected]] On Behalf Of Alexander Malysh
Sent: Tuesday, September 14, 2010 1:02 AM
To: Michael Zervakis
Cc: [email protected]; [email protected]
Subject: Re: [PATCH] fix bug #529 (sms-resend-* ignored for concatenated messages)



Hi Michael,



you don't have to alter Msg struct. Just add smscconn_uuid to struct split_parts in gw/msg.h.



Thanks,

Alexander Malysh



Am 13.09.2010 um 21:31 schrieb Michael Zervakis:



>

>

> Hi,

>

> I forgot to mention that msg->msg_ConnId uuid is not saved in store since it's useless because if the process restarts the whole Msg will be resend. At least this solution will apply sms-resend-* directives for long sms.

>

> BR,

>

> -----Original Message-----

> From: Alejandro Guerrieri [mailto:[email protected]]

> Sent: Monday, September 13, 2010 8:25 PM

> To: Alexander Malysh

> Cc: Michael Zervakis; [email protected]; [email protected]

> Subject: Re: [PATCH] fix bug #529 (sms-resend-* ignored for concatenated messages)

>

>

> The uuid would be different each time you start the service right?

>

>

> What would happen if Kannel is restarted and there were pending parts to send? The new uuid wouldn't match with the pending segments.

>

>

> Regards,

>

> --

>

> Alejandro Guerrieri

>

> [email protected]

>

>

>

>

> On 13/09/2010, at 19:16, Alexander Malysh wrote:

>

>

> > Hi,

>

> >

>

> > great idea to use uuid to uniquely identify smscconn. we can use this for http admin as well.

>

> >

>

> > Thanks,

>

> > Alexander Malysh

>

> >

>

> > Am 13.09.2010 um 19:04 schrieb Michael Zervakis:

>

> >

>

> >> Hi,

>

> >>

>

> >> I figured out that we can use the same mechanism as in Msg struct to uniquelly identify each SMSCconn. In the attached patch the smscconn struct was modified to include a uuid_t field and Msg struct to store the smscconn uuid_t if we get a temporary error. Smsc_rout2 was also modified to respect msg->msg_ConnId if set.

>

> >>

>

> >> SMSC-A -> splits (2 parts) -> 1 part sent OK -> 2 part get temp. error -> write the conn->uuid_t and put it into global queue for resend -> router reads msg->msg_ConnId and sends failed part via same connection (if still active)

>

> >>

>

> >>

>

> >> -----Original Message-----

>

> >> From: Alexander Malysh [mailto:[email protected]] On Behalf Of Alexander Malysh

>

> >> Sent: Sunday, September 12, 2010 1:06 PM

>

> >> To: Michael Zervakis

>

> >> Cc: [email protected]; [email protected]

>

> >> Subject: Re: [PATCH] fix bug #529 (sms-resend-* ignored for concatenated messages)

>

> >>

>

> >>

>

> >> Hi,

>

> >>

>

> >>

>

> >> as I already wrote, this patch is not enough. Please see ML wy...

>

> >>

>

> >>

>

> >> Thanks,

>

> >>

>

> >> Alexander Malysh

>

> >>

>

> >>

>

> >>

>

> >> Am 09.09.2010 um 19:04 schrieb Michael Zervakis:

>

> >>

>

> >>

>

> >>> Hi,

>

> >>

>

> >>>

>

> >>

>

> >>> This patch is a possible solution fog Bug #529. The Msg definition was modified so we can store the conn->id originally selected by router.

>

> >>

>

> >>>

>

> >>

>

> >>> SMSC-A -> splits (2 parts) -> 1 part sent OK -> 2 part get temp. error -> write the conn->id and put it into global queue for resend -> router reads msg->sms.msg_ConnId and sends failed part via same connection (if still active)

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> Regards,

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> From: [email protected] [mailto:[email protected]] On Behalf Of Konstantin Vayner

>

> >>

>

> >>> Sent: Thursday, December 17, 2009 12:28 PM

>

> >>

>

> >>> To: Alexander Malysh

>

> >>

>

> >>> Cc: [email protected]

>

> >>

>

> >>> Subject: Re: [PATCH] fix bug #529 (sms-resend-* ignored for concatenated messages)

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> why remembering smsc-id in sms.smsc_id is not enough?

>

> >>

>

> >>> how does smsbox remember routing when i submit a message with predefined smsc id from http (sendsms) ?

>

> >>

>

> >>>

>

> >>

>

> >>> On Thu, Dec 17, 2009 at 12:10 PM, Alexander Malysh <[email protected]> wrote:

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> Am 17.12.2009 um 10:43 schrieb Konstantin Vayner:

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> so the best option would be to requeue the part via same smsc, right ?

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> yes, but it's not easy todo. You have to remember SMSC pointer not only SMSC-name/id and then teach all routing parts

>

> >>

>

> >>>

>

> >>

>

> >>> to respect it...

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> cause requeueing all parts may also get extra messages to the handset despite it not being able to reconstruct (not to mention the extra money ;) )

>

> >>

>

> >>>

>

> >>

>

> >>> On Thu, Dec 17, 2009 at 11:33 AM, Alexander Malysh <[email protected]> wrote:

>

> >>

>

> >>>

>

> >>

>

> >>> Hi,

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> unfortunately this will not work as expected (the rule is: _all_ parts if multipart message have to be send via the same SMSC)...

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> example:

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> SMSC-A -> splits (2 parts) -> 1 part sent OK -> 2 part get temp. error -> you put it into global queue for resend -> 2 part sent via SMSC-B -> handset rejects it

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> We have only two possibility here:

>

> >>

>

> >>>

>

> >>

>

> >>> 1) if temp error occurs put the _whole_ message into resend queue and resend then _all_ parts (very easy todo)

>

> >>

>

> >>>

>

> >>

>

> >>> 2) remember smsc which was used for first parts and resend it via the same smsc (complicated but save money :) )

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> Thanks,

>

> >>

>

> >>>

>

> >>

>

> >>> Alexander Malysh

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> Am 16.12.2009 um 18:17 schrieb Konstantin Vayner:

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> Bug report: http://redmine.kannel.org/issues/show/529

>

> >>

>

> >>>

>

> >>

>

> >>> Quote from gw/bb_smscconn.c :

>

> >>

>

> >>>

>

> >>

>

> >>> static void handle_split(SMSCConn *conn, Msg *msg, long reason)

>

> >>

>

> >>> {

>

> >>

>

> >>>  struct split_parts *split = msg->sms.split_parts;

>

> >>

>

> >>>

>

> >>

>

> >>>  /*

>

> >>

>

> >>> * If temporarely failed, try again immediately but only if connection active.

>

> >>

>

> >>> * Because if connection is not active we will loop for ever here consuming 100% CPU

>

> >>

>

> >>> * time due to internal queue cleanup in smsc module that call bb_smscconn_failed.

>

> >>

>

> >>>   */

>

> >>

>

> >>> if (reason == SMSCCONN_FAILED_TEMPORARILY && smscconn_status(conn) == SMSCCONN_ACTIVE &&

>

> >>

>

> >>>      smscconn_send(conn, msg) == 0) {

>

> >>

>

> >>> /* destroy this message because it will be duplicated in smsc module */

>

> >>

>

> >>>      msg_destroy(msg);

>

> >>

>

> >>>      return;

>

> >>

>

> >>>  }

>

> >>

>

> >>>

>

> >>

>

> >>> (end quote)

>

> >>

>

> >>>

>

> >>

>

> >>> So, if an smsc is alive and throws temporary error every time you try to submit such a message, we enter endless loop of attempting to resend it....

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> Suggested patch follows (also attached).

>

> >>

>

> >>> Sorry its not cvs diff - having firewall issues accessing pserver now so i ran diff vs snapshot generated yesterday

>

> >>

>

> >>> I will be able to produce a normal cvs diff tomorrow morning if it is needed

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> --- kannel-snapshot/gw/bb_smscconn.c 2009-11-15 16:12:28.000000000 +0200

>

> >>

>

> >>> +++ gateway-cvs/gw/bb_smscconn.c 2009-12-16 19:47:32.000000000 +0200

>

> >>

>

> >>> @@ -203,18 +203,6 @@

>

> >>

>

> >>>   struct split_parts *split = msg->sms.split_parts;

>

> >>

>

> >>>      /*

>

> >>

>

> >>> - * If temporarely failed, try again immediately but only if connection active.

>

> >>

>

> >>> - * Because if connection is not active we will loop for ever here consuming 100% CPU

>

> >>

>

> >>> - * time due to internal queue cleanup in smsc module that call bb_smscconn_failed.

>

> >>

>

> >>> -     */

>

> >>

>

> >>> - if (reason == SMSCCONN_FAILED_TEMPORARILY && smscconn_status(conn) == SMSCCONN_ACTIVE &&

>

> >>

>

> >>> -        smscconn_send(conn, msg) == 0) {

>

> >>

>

> >>> - /* destroy this message because it will be duplicated in smsc module */

>

> >>

>

> >>> -        msg_destroy(msg);

>

> >>

>

> >>> -        return;

>

> >>

>

> >>> -    }

>

> >>

>

> >>> -   -    /*

>

> >>

>

> >>>    * if the reason is not a success and status is still success

>

> >>

>

> >>>    * then set status of a split to the reason.

>

> >>

>

> >>> * Note: reason 'malformed','discarded' or 'rejected' has higher priority!

>

> >>

>

> >>> @@ -303,7 +291,7 @@

>

> >>

>

> >>> void bb_smscconn_send_failed(SMSCConn *conn, Msg *sms, int reason, Octstr *reply)

>

> >>

>

> >>> {

>

> >>

>

> >>> -    if (sms->sms.split_parts != NULL) {

>

> >>

>

> >>> + if (reason != SMSCCONN_FAILED_TEMPORARILY && sms->sms.split_parts != NULL) {

>

> >>

>

> >>>       handle_split(conn, sms, reason);

>

> >>

>

> >>>       octstr_destroy(reply);

>

> >>

>

> >>>       return;

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> <bb_smscconn.diff>

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>>

>

> >>

>

> >>> Index: gw/bb_smscconn.c

>

> >>

>

> >>> ===================================================================

>

> >>

>

> >>> --- gw/bb_smscconn.c  (revision 4838)

>

> >>

>

> >>> +++ gw/bb_smscconn.c  (working copy)

>

> >>

>

> >>> @@ -207,11 +207,34 @@

>

> >>

>

> >>> * Because if connection is not active we will loop for ever here consuming 100% CPU

>

> >>

>

> >>> * time due to internal queue cleanup in smsc module that call bb_smscconn_failed.

>

> >>

>

> >>>     */

>

> >>

>

> >>> - if (reason == SMSCCONN_FAILED_TEMPORARILY && smscconn_status(conn) == SMSCCONN_ACTIVE &&

>

> >>

>

> >>> -        smscconn_send(conn, msg) == 0) {

>

> >>

>

> >>> + /*if (reason == SMSCCONN_FAILED_TEMPORARILY && smscconn_status(conn) == SMSCCONN_ACTIVE &&

>

> >>

>

> >>> +        smscconn_send(conn, msg) == 0) { */

>

> >>

>

> >>> /* destroy this message because it will be duplicated in smsc module */

>

> >>

>

> >>> -        msg_destroy(msg);

>

> >>

>

> >>> +    /*    msg_destroy(msg);

>

> >>

>

> >>>        return;

>

> >>

>

> >>> +    }*/

>

> >>

>

> >>> + > >>> +
> >>> +

>

> >>

>

> >>> + if (reason == SMSCCONN_FAILED_TEMPORARILY && smscconn_status(conn) == SMSCCONN_ACTIVE)

>

> >>

>

> >>> +    {

>

> >>

>

> >>> + if (sms_resend_retry >= 0 && msg->sms.resend_try >= sms_resend_retry) /*check how many times the split message has been sent */

>

> >>

>

> >>> +       {

>

> >>> + warning(0, "SMPP[%s] :Maximum retries for message [%s] exceeded resend %ld times, discarding it!", octstr_get_cstr(conn->id), octstr_get_cstr(msg->sms.msgdata),msg->sms.resend_try);

>

> >>

>

> >>> +          handle_split(conn, msg, SMSCCONN_FAILED_DISCARDED);

>

> >>> +          /* msg_destroy(msg); */

>

> >>

>

> >>> +          return;

>

> >>

>

> >>> +       }

>

> >>

>

> >>> + > >>> + warning(0, "SMPP[%s] :Split message failed temporarily sending back to sms_router", octstr_get_cstr(conn->id));

>

> >>

>

> >>> + > >>> + msg->sms.resend_try = (msg->sms.resend_try > 0 ? msg->sms.resend_try + 1 : 1);

>

> >>

>

> >>> + debug("bb.sms.splits", 0, "SMPP[%s] :Resend counter of message set to %ld", octstr_get_cstr(conn->id),msg->sms.resend_try);

>

> >>

>

> >>> +       time(&msg->sms.resend_time);

>

> >>

>

> >>> +       msg->sms.msg_ConnId = octstr_duplicate(conn->id);

>

> >>> + > >>> + gwlist_produce(outgoing_sms, msg); /* write it back to global queue */

>

> >>

>

> >>> +       return;

>

> >>

>

> >>>    }

>

> >>

>

> >>>

>

> >>

>

> >>>    /*

>

> >>

>

> >>> @@ -1229,6 +1252,28 @@

>

> >>

>

> >>>    bp_load = bo_load = queue_length = 0;

>

> >>

>

> >>>

>

> >>

>

> >>>    conn = NULL;

>

> >>

>

> >>> + /* if msg was a failed part then route to the defined SMSC connection */

>

> >>

>

> >>> +    if (msg->sms.msg_ConnId != NULL)

>

> >>

>

> >>> + {
> >>> +       for (i=0; i < gwlist_len(smsc_list); i++)

>

> >>

>

> >>> +       {

>

> >>

>

> >>> +          conn = gwlist_get(smsc_list,  i);

>

> >>

>

> >>> +          smscconn_info(conn, &info);

>

> >>

>

> >>> +          queue_length += (info.queued > 0 ? info.queued : 0);

>

> >>

>

> >>> +
> >>> +          if(octstr_compare(msg->sms.msg_ConnId, conn->id) == 0)

>

> >>

>

> >>> +          {

>

> >>> + if((smscconn_usable(conn,msg) != -1) && (info.status == SMSCCONN_ACTIVE && info.queued < max_queue))

>

> >>

>

> >>> +             {

>

> >>

>

> >>> +                best_preferred = conn;

>

> >>> + debug("bb.sms",0,"Message with pre-set connection to SMSC[%s] found",octstr_get_cstr(msg->sms.msg_ConnId));

>

> >>

>

> >>> +                continue;

>

> >>

>

> >>> +             }

>

> >>

>

> >>> +          }

>

> >>

>

> >>> +       }

>

> >>

>

> >>> +    }

>

> >>

>

> >>> +    else

>

> >>

>

> >>> +    {

>

> >>

>

> >>>    for (i=0; i < gwlist_len(smsc_list); i++) {

>

> >>

>

> >>>    conn = gwlist_get(smsc_list,  (i+s) % gwlist_len(smsc_list));

>

> >>

>

> >>>

>

> >>

>

> >>> @@ -1265,6 +1310,8 @@

>

> >>

>

> >>>        bo_load = info.load;

>

> >>

>

> >>>    }

>

> >>

>

> >>>    }

>

> >>

>

> >>> +    }

>

> >>

>

> >>> +
> >>>    queue_length += gwlist_len(outgoing_sms);

>

> >>

>

> >>>    if (max_outgoing_sms_qlength > 0 && !resend &&

>

> >>

>

> >>> queue_length > gwlist_len(smsc_list) * max_outgoing_sms_qlength) {

>

> >>

>

> >>> Index: gw/msg-decl.h

>

> >>

>

> >>> ===================================================================

>

> >>

>

> >>> --- gw/msg-decl.h     (revision 4838)

>

> >>

>

> >>> +++ gw/msg-decl.h     (working copy)

>

> >>

>

> >>> @@ -85,6 +85,7 @@

>

> >>

>

> >>>        OCTSTR(msgdata)

>

> >>

>

> >>>        INTEGER(time)

>

> >>

>

> >>>        OCTSTR(smsc_id)

>

> >>

>

> >>> + OCTSTR(msg_ConnId); /* field required to reroute concatenated Msg parts via the same SMSC connection. Bug 529*/

>

> >>

>

> >>>        OCTSTR(smsc_number)

>

> >>

>

> >>>        OCTSTR(foreign_id)

>

> >>

>

> >>>        OCTSTR(service)

>

> >>

>

> >>

>

> >> Index: bb_smscconn.c

>

> >> ===================================================================

>

> >> --- bb_smscconn.c    (revision 4843)

>

> >> +++ bb_smscconn.c    (working copy)

>

> >> @@ -201,17 +201,46 @@

>

> >> static void handle_split(SMSCConn *conn, Msg *msg, long reason)

>

> >> {

>

> >>    struct split_parts *split = msg->sms.split_parts;

>

> >> +    char id[UUID_STR_LEN + 1];

>

> >>

>

> >> +
> >>    /*

>

> >> * If temporarely failed, try again immediately but only if connection active.

>

> >> * Because if connection is not active we will loop for ever here consuming 100% CPU

>

> >> * time due to internal queue cleanup in smsc module that call bb_smscconn_failed.

>

> >>     */

>

> >> - if (reason == SMSCCONN_FAILED_TEMPORARILY && smscconn_status(conn) == SMSCCONN_ACTIVE &&

>

> >> -        smscconn_send(conn, msg) == 0) {

>

> >> + /*if (reason == SMSCCONN_FAILED_TEMPORARILY && smscconn_status(conn) == SMSCCONN_ACTIVE &&

>

> >> +        smscconn_send(conn, msg) == 0) { */

>

> >> /* destroy this message because it will be duplicated in smsc module */

>

> >> -        msg_destroy(msg);

>

> >> +    /*    msg_destroy(msg);

>

> >>        return;

>

> >> +    }*/

>

> >> + > >> + > >> + if (reason == SMSCCONN_FAILED_TEMPORARILY && smscconn_status(conn) == SMSCCONN_ACTIVE)

>

> >> +    {

>

> >> + if (sms_resend_retry >= 0 && msg->sms.resend_try >= sms_resend_retry) /*check how many times the split message has been sent */

>

> >> +       {

> >> +          uuid_unparse(msg->sms.id, id);

>

> >> + warning(0, "SMPP[%s] :Maximum retries for message [%s] exceeded resend %ld times, discarding it!", octstr_get_cstr(conn->id), id, msg->sms.resend_try);

>

> >> +          handle_split(conn, msg, SMSCCONN_FAILED_DISCARDED);

> >> +          return;

>

> >> +       }

>

> >> + > >> +
> >> +       uuid_unparse(msg->sms.id, id);

>

> >> + warning(0, "SMPP[%s] :Split message [%s] failed temporary sending it to sms_router but with fixed connection", octstr_get_cstr(conn->id), id);

> >> + > >> + msg->sms.resend_try = (msg->sms.resend_try > 0 ? msg->sms.resend_try + 1 : 1); /* inc its retries */

>

> >> + debug("bb.sms.splits", 0, "SMPP[%s] :Resend counter of message [%s] set to %ld", octstr_get_cstr(conn->id), id, msg->sms.resend_try);

>

> >> + time(&msg->sms.resend_time); /* take resend time - this will be used in sms_router */

>

> >> + > >> +
> >> +       if(uuid_is_null(msg->msg_ConnId) == 1)

>

> >> +         uuid_copy(msg->msg_ConnId, conn->smscconn_uuid);

>

> >> + > >> + gwlist_produce(outgoing_sms, msg); /* send it back to global queue */

>

> >> +       return;

>

> >>    }

>

> >>

>

> >>    /*

>

> >> @@ -1187,8 +1216,8 @@

>

> >>    long bp_load, bo_load;

>

> >>    int i, s, ret, bad_found, full_found;

>

> >>    long max_queue, queue_length;

>

> >> -    char *uf;

>

> >> -

>

> >> +    char *uf, id[UUID_STR_LEN + 1];

>

> >> +
> >>    /* XXX handle ack here? */

>

> >>    if (msg_type(msg) != sms) {

>

> >> error(0, "Attempt to route non SMS message through smsc2_rout!");

>

> >> @@ -1229,6 +1258,29 @@

>

> >>    bp_load = bo_load = queue_length = 0;

>

> >>

>

> >>    conn = NULL;

>

> >> + /*if msg was a split and failed temporary then use stored connection */

>

> >> +    if(uuid_is_null(msg->msg_ConnId) != 1)

>

> >> + {
> >> +       for (i=0; i < gwlist_len(smsc_list); i++)

>

> >> +       {

>

> >> +          conn = gwlist_get(smsc_list,  i);

>

> >> +          smscconn_info(conn, &info);

>

> >> +          queue_length += (info.queued > 0 ? info.queued : 0);

>

> >> +
> >> +          if(uuid_compare(msg->msg_ConnId, conn->smscconn_uuid) == 0)

>

> >> +          {

> >> + if((smscconn_usable(conn,msg) != -1) && (info.status == SMSCCONN_ACTIVE && info.queued < max_queue))

>

> >> +             {

>

> >> +                best_preferred = conn;

> >> +                uuid_unparse(msg->sms.id, id);

>

> >> + debug("bb.sms",0,"Message [%s] with pre-set connection found", id);

>

> >> +                continue;

>

> >> +             }

>

> >> +          }

>

> >> +       }

>

> >> +    }

>

> >> +    else

>

> >> +    {

>

> >>    for (i=0; i < gwlist_len(smsc_list); i++) {

>

> >>    conn = gwlist_get(smsc_list,  (i+s) % gwlist_len(smsc_list));

>

> >>

>

> >> @@ -1265,6 +1317,8 @@

>

> >>        bo_load = info.load;

>

> >>    }

>

> >>    }

>

> >> +    }

>

> >> +
> >>    queue_length += gwlist_len(outgoing_sms);

>

> >>    if (max_outgoing_sms_qlength > 0 && !resend &&

>

> >> queue_length > gwlist_len(smsc_list) * max_outgoing_sms_qlength) {

>

> >> Index: msg.c

>

> >> ===================================================================

>

> >> --- msg.c      (revision 4843)

>

> >> +++ msg.c      (working copy)

>

> >> @@ -98,6 +98,7 @@

>

> >>    msg = gw_malloc_trace(sizeof(Msg), file, line, func);

>

> >>

>

> >>    msg->type = type;

>

> >> +    uuid_clear(msg->msg_ConnId);

>

> >> #define INTEGER(name) p->name = MSG_PARAM_UNDEFINED;

>

> >> #define OCTSTR(name) p->name = NULL;

>

> >> #define UUID(name) uuid_generate(p->name);

>

> >> @@ -113,7 +114,7 @@

>

> >>    Msg *new;

>

> >>

>

> >>    new = msg_create(msg->type);

>

> >> -

>

> >> +    uuid_copy(new->msg_ConnId, msg->msg_ConnId);

>

> >> #define INTEGER(name) p->name = q->name;

>

> >> #define OCTSTR(name) \

>

> >>    if (q->name == NULL) p->name = NULL; \

>

> >> Index: msg.h

>

> >> ===================================================================

>

> >> --- msg.h      (revision 4843)

>

> >> +++ msg.h      (working copy)

>

> >> @@ -78,7 +78,7 @@

>

> >>

>

> >> typedef struct {

>

> >>    enum msg_type type;

>

> >> -

>

> >> + uuid_t msg_ConnId;
> >>    #define INTEGER(name) long name;

>

> >>    #define OCTSTR(name) Octstr *name;

>

> >>    #define UUID(name) uuid_t name;

>

> >> Index: smscconn.c

>

> >> ===================================================================

>

> >> --- smscconn.c (revision 4843)

>

> >> +++ smscconn.c (working copy)

>

> >> @@ -157,13 +157,16 @@

>

> >>    Octstr *denied_prefix_regex;

>

> >>    Octstr *preferred_prefix_regex;

>

> >>    Octstr *tmp;

>

> >> -

>

> >> +    char id[UUID_STR_LEN + 1];

>

> >> +
> >>    if (grp == NULL)

>

> >>    return NULL;

>

> >>

>

> >>    conn = gw_malloc(sizeof(*conn));

>

> >>    memset(conn, 0, sizeof(*conn));

>

> >>

>

> >> +    uuid_generate(conn->smscconn_uuid);

>

> >> +
> >>    conn->why_killed = SMSCCONN_ALIVE;

>

> >>    conn->status = SMSCCONN_CONNECTING;

>

> >>    conn->connect_time = -1;

>

> >> @@ -295,7 +298,10 @@

>

> >>    gw_assert(conn->send_msg != NULL);

>

> >>

>

> >>    bb_smscconn_ready(conn);

>

> >> -

>

> >> +
> >> +    uuid_unparse(conn->smscconn_uuid, id);

>

> >> + debug("smscconn",0,"Adding smsc connection [%s] with id [%s]", octstr_get_cstr(conn->id), id);

>

> >> +
> >>    return conn;

>

> >> }

>

> >>

>

> >> Index: smscconn_p.h

>

> >> ===================================================================

>

> >> --- smscconn_p.h     (revision 4843)

>

> >> +++ smscconn_p.h     (working copy)

>

> >> @@ -146,6 +146,8 @@

>

> >> #include "smscconn.h"

>

> >>

>

> >> struct smscconn {

>

> >> + /* variable added in order to uniquely identify each smsc connection */

>

> >> +    uuid_t smscconn_uuid;

>

> >>    /* variables set by appropriate SMSCConn driver */

>

> >>    smscconn_status_t status;           /* see smscconn.h */

>

> >>    int   load;             /* load factor, 0 = no load */

>

> >

>

> >

>

>



Index: gw/bb_smscconn.c
===================================================================
--- gw/bb_smscconn.c    (revision 4843)
+++ gw/bb_smscconn.c    (working copy)
@@ -201,17 +201,46 @@
 static void handle_split(SMSCConn *conn, Msg *msg, long reason)
 {
     struct split_parts *split = msg->sms.split_parts;
+    char id[UUID_STR_LEN + 1];
     
+    
     /*
      * If temporarely failed, try again immediately but only if connection 
active.
      * Because if connection is not active we will loop for ever here 
consuming 100% CPU
      * time due to internal queue cleanup in smsc module that call 
bb_smscconn_failed.
      */
-    if (reason == SMSCCONN_FAILED_TEMPORARILY && smscconn_status(conn) == 
SMSCCONN_ACTIVE &&
-        smscconn_send(conn, msg) == 0) {
+    /*if (reason == SMSCCONN_FAILED_TEMPORARILY && smscconn_status(conn) == 
SMSCCONN_ACTIVE &&
+        smscconn_send(conn, msg) == 0) { */
         /* destroy this message because it will be duplicated in smsc module */
-        msg_destroy(msg);
+    /*    msg_destroy(msg);
         return;
+    }*/
+        
+    
+    if (reason == SMSCCONN_FAILED_TEMPORARILY && smscconn_status(conn) == 
SMSCCONN_ACTIVE)
+    {
+       if (sms_resend_retry >= 0 && msg->sms.resend_try >= sms_resend_retry)
+       {  
+          uuid_unparse(msg->sms.id, id);
+          warning(0, "SMSC [%s]: Maximum retries for message [%s] exceeded 
resend %ld times, discarding it!", octstr_get_cstr(conn->id), id, 
msg->sms.resend_try); 
+          handle_split(conn, msg, SMSCCONN_FAILED_DISCARDED);  
+          return;
+       }
+                    
+        
+       uuid_unparse(msg->sms.id, id);
+       warning(0, "SMSC [%s]: Split message [%s] failed temporary appending 
smsc uuid", octstr_get_cstr(conn->id), id);  
+       
+       msg->sms.resend_try = (msg->sms.resend_try > 0 ? msg->sms.resend_try + 
1 : 1);
+       debug("bb.sms.splits", 0, "SMSC[%s]: Resend counter of message [%s] set 
to %ld", octstr_get_cstr(conn->id), id, msg->sms.resend_try);
+       time(&msg->sms.resend_time); 
+              
+        
+       if(uuid_is_null(split->msg_ConnId) == 1)
+         uuid_copy(split->msg_ConnId, conn->smscconn_uuid);
+       
+       gwlist_produce(outgoing_sms, msg); /* send it back to global queue */ 
+       return;
     }
     
     /*
@@ -1187,8 +1216,9 @@
     long bp_load, bo_load;
     int i, s, ret, bad_found, full_found;
     long max_queue, queue_length;
-    char *uf;
-
+    char *uf, id[UUID_STR_LEN + 1];
+    struct split_parts *split = msg->sms.split_parts;
+    
     /* XXX handle ack here? */
     if (msg_type(msg) != sms) {
         error(0, "Attempt to route non SMS message through smsc2_rout!");
@@ -1229,6 +1259,32 @@
     bp_load = bo_load = queue_length = 0;
 
     conn = NULL;
+    /* if msg was a split and failed temporary then use last known connection 
*/
+    if(split != NULL)
+    {    
+       if(uuid_is_null(split->msg_ConnId) != 1)
+       {    
+          for (i=0; i < gwlist_len(smsc_list); i++)
+          {
+             conn = gwlist_get(smsc_list,  i);
+             smscconn_info(conn, &info);
+             queue_length += (info.queued > 0 ? info.queued : 0); 
+          
+             if(uuid_compare(split->msg_ConnId, conn->smscconn_uuid) == 0)
+             {  
+                if((smscconn_usable(conn,msg) != -1) && (info.status == 
SMSCCONN_ACTIVE && info.queued < max_queue))
+                {
+                   best_preferred = conn;  
+                   uuid_unparse(msg->sms.id, id);
+                   debug("bb.sms",0,"Message [%s] with pre-set smsc uuid 
found", id);
+                   continue; /* break; */ 
+                } 
+             }  
+          } 
+       } 
+    } 
+    else
+    {
     for (i=0; i < gwlist_len(smsc_list); i++) {
        conn = gwlist_get(smsc_list,  (i+s) % gwlist_len(smsc_list));
 
@@ -1265,6 +1321,8 @@
            bo_load = info.load;
        }
     }
+    }
+    
     queue_length += gwlist_len(outgoing_sms);
     if (max_outgoing_sms_qlength > 0 && !resend &&
          queue_length > gwlist_len(smsc_list) * max_outgoing_sms_qlength) {
Index: gw/msg.h
===================================================================
--- gw/msg.h    (revision 4843)
+++ gw/msg.h    (working copy)
@@ -85,12 +85,14 @@
        #define VOID(name) void *name;
        #define MSG(type, stmt) struct type stmt type;
        #include "msg-decl.h"
+    
 } Msg;
 
 struct split_parts {
     Msg *orig;
     Counter *parts_left;
     long status;
+    uuid_t msg_ConnId;
 };
 
 /* enums for Msg fields */
Index: gw/smscconn.c
===================================================================
--- gw/smscconn.c       (revision 4843)
+++ gw/smscconn.c       (working copy)
@@ -157,13 +157,16 @@
     Octstr *denied_prefix_regex;
     Octstr *preferred_prefix_regex;
     Octstr *tmp;
-
+    char id[UUID_STR_LEN + 1];
+        
     if (grp == NULL)
        return NULL;
 
     conn = gw_malloc(sizeof(*conn));
     memset(conn, 0, sizeof(*conn));
 
+    uuid_generate(conn->smscconn_uuid);
+            
     conn->why_killed = SMSCCONN_ALIVE;
     conn->status = SMSCCONN_CONNECTING;
     conn->connect_time = -1;
@@ -295,7 +298,10 @@
     gw_assert(conn->send_msg != NULL);
 
     bb_smscconn_ready(conn);
-
+    
+    uuid_unparse(conn->smscconn_uuid, id);
+    debug("smscconn",0,"Adding smsc connection [%s] with uuid [%s]", 
octstr_get_cstr(conn->id), id);
+    
     return conn;
 }
 
Index: gw/smscconn_p.h
===================================================================
--- gw/smscconn_p.h     (revision 4843)
+++ gw/smscconn_p.h     (working copy)
@@ -146,6 +146,8 @@
 #include "smscconn.h"
 
 struct smscconn {
+    /* variable added in order to uniquely identify each smsc connection */ 
+    uuid_t smscconn_uuid;
     /* variables set by appropriate SMSCConn driver */
     smscconn_status_t status;          /* see smscconn.h */
     int        load;           /* load factor, 0 = no load */

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