RE: write failed with errno 11

"Oded Arbel" <[email protected]>
Newsgroups gmane.comp.mobile.kannel.devel
Message-ID <[email protected]> 
Here's an updated patch. this one should actually compile. it also has a rewritten handling of the SMS-SUBMIT flags, which includes support for the new rpi parameter (have no idea what it does) and for future handling of DLR messages.

--
Oded Arbel
m-Wise mobile solutions
[email protected]

+972-9-9581711 (116)
+972-67-340014

::..
When your life is a leaf that the seasons tear off and condemn
They will bind you with love that is graceful and green as a stem.
		-- Leonard Cohen, "Sisters of Mercy"




> -----Original Message-----
> From: Oded Arbel 
> Sent: Thursday, August 08, 2002 2:30 PM
> To: Stephane Pointu
> Cc: [email protected]
> Subject: RE: write failed with errno 11
> 
> 
> I'm less convinced now that its really necessary, but how 
> about this patch to AT2 ?
> please - do not commit yet : I'm interested in comments on 
> the necessety of the patch and its correctness. I want to 
> submit a bigger patch later to address several AT2 issues.
> 
> --
> Oded Arbel
> m-Wise mobile solutions
> [email protected]
> 
> +972-9-9581711 (116)
> +972-67-340014
> 
> ::..
> The earth is like a tiny grain of sand, only much, much heavier.
> 
> 
> 
> > -----Original Message-----
> > From: Oded Arbel 
> > Sent: Thursday, August 08, 2002 2:25 PM
> > To: Stephane Pointu
> > Cc: [email protected]
> > Subject: RE: write failed with errno 11
> > 
> > 
> > 
> > > -----Original Message-----
> > > From: Stephane Pointu [mailto:[email protected]]
> > > Sent: Thursday, August 08, 2002 2:25 PM
> > > To: Oded Arbel
> > > Cc: [email protected]
> > > Subject: RE: write failed with errno 11
> > > 
> > > 
> > > Thanks a lot.
> > 
> > In the mean time you can try to increase the sendline-sleep 
> > in the modem configuration to something larger: this should 
> > also fix your problem.
> > 
> > --
> > Oded Arbel
> > m-Wise mobile solutions
> > [email protected]
> > 
> > +972-9-9581711 (116)
> > +972-67-340014
> > 
> > ::..
> > Life is like arriving late for a movie, having to figure 
> out what was
> > going on without bothering everybody with a lot of 
> questions, and then
> > being unexpectedly called away before you find out how it ends.
> > 
> > 
> > 
> > 
> > > 
> > > Stephane.
> > > 
> > > -----Original Message-----
> > > From: Oded Arbel [mailto:[email protected]]
> > > Sent: 08 August 2002 14:18
> > > To: Stephane Pointu
> > > Cc: [email protected]
> > > Subject: RE: write failed with errno 11
> > > 
> > > 
> > > It looks like a problem with the iRDA connection beeing too 
> > > slow. I'll have
> > > a fix for that later today.
> > > 
> > > --
> > > Oded Arbel
> > > m-Wise mobile solutions
> > > [email protected]
> > > 
> > > +972-9-9581711 (116)
> > > +972-67-340014
> > > 
> > > ::..
> > > "Right now I'm having amnesia and deja vu at the same time - 
> > > I think I've
> > > forgotten this before." 
> > > 	-- Stephen Wright 
> > > 
> > > > -----Original Message-----
> > > > From: Stephane Pointu [mailto:[email protected]]
> > > > Sent: Thursday, August 08, 2002 12:48 PM
> > > > To: 'Stipe Tolj'
> > > > Cc: [email protected]
> > > > Subject: RE: write failed with errno 11
> > > > 
> > > > 
> > > > So, here is my config file:
> > > > 
> > > > group = core
> > > > admin-port = 13000
> > > > smsbox-port = 13001
> > > > wapbox-port = 9201
> > > > wdp-interface-name = "*"
> > > > admin-password = *****
> > > > admin-deny-ip = "*.*.*.*"
> > > > admin-allow-ip = "127.0.0.1;10.1.*.*"
> > > > log-file = "/var/log/kannel/kannel.log"
> > > > log-level = 0
> > > > box-deny-ip = ""
> > > > box-allow-ip = "*.*.*.*"
> > > > unified-prefix = "0033,0"
> > > > access-log = "/var/log/kannel/access.log"
> > > > 
> > > > # SMSC CONNECTIONS
> > > > include = "/root/gateway-1.2.0/doc/modems.conf"
> > > > group = smsc
> > > > smsc = at2
> > > > smsc-id = T68
> > > > modemtype = ericsson_t68
> > > > device = /dev/ircomm0
> > > > speed = 19200
> > > > pin = 2345
> > > > 
> > > > # SMSBOX SETUP
> > > > group = smsbox
> > > > bearerbox-host = localhost
> > > > sendsms-port = 13013
> > > > global-sender = 13013
> > > > log-file = "/var/log/kannel/smsbox.log"
> > > > log-level = 0
> > > > 
> > > > # SEND-SMS USERS
> > > > group = sendsms-user
> > > > username = *******
> > > > password = *******
> > > > max-messages = 10
> > > > concatenation = true
> > > > 
> > > > 
> > > > Here is my error message from bearerbox log:
> > > > 
> > > > 2002-08-06 18:32:04 [14] DEBUG: boxc_receiver: sms received
> > > > 2002-08-06 18:32:06 [5] DEBUG: AT2[T68]: international 
> > > > starting with 00
> > > > (0033666666666)
> > > > 2002-08-06 18:32:06 [5] DEBUG: AT2[T68]: TP-Validity-Period: 
> > > > 24.0 hours
> > > > 2002-08-06 18:32:06 [5] DEBUG: AT2[T68]: --> AT+CMGS=148^M
> > > > 2002-08-06 18:32:06 [5] DEBUG: AT2[T68]: <-- >
> > > > 2002-08-06 18:32:06 [5] DEBUG: AT2[T68]: send command status: 1
> > > > 2002-08-06 18:32:06 [5] DEBUG: AT2[T68]: -->
> > > > 0051000B913366666666F60004A786060504C34FC002010604039481EA0001
> > > > 45C606018712FF
> > > > 01871311030100000100010005000001871461018721110300080808080808
> > > > 08080800018722
> > > > 7001872311030000000000000187241103000000000000000000018728FF01
> > > > 87296B01018607
> > > > 
> > > 
> > 
> 110300000000000000000000000000010000000001C608018715110300000100010101
> > > > 2002-08-06 18:32:06 [5] DEBUG: AT2[T68]: --> ^Z
> > > > 2002-08-06 18:32:06 [5] DEBUG: AT2[T68]: write failed 
> > with errno 11
> > > > 
> > > > 
> > > > And this is what i get in smsbox log:
> > > > 
> > > > 2002-08-06 18:32:04 [2] DEBUG: HTTP: Creating HTTPClient for 
> > > > `127.0.0.1'.
> > > > 2002-08-06 18:32:04 [3] INFO: smsbox: Got HTTP request 
> > > > </cgi-bin/sendsms>
> > > > from <
> > > > 127.0.0.1>
> > > > 2002-08-06 18:32:04 [3] INFO: sendsms used by <*****>
> > > > 2002-08-06 18:32:04 [3] INFO: sendsms 
> sender:<penguin:0677777777>
> > > > (127.0.0.1) to
> > > > :<0666666666> msg:<^A^F^D^C<94><81>ê>
> > > > 2002-08-06 18:32:04 [3] DEBUG: message length 127, sending 
> > > 1 messages
> > > > 2002-08-06 18:32:04 [3] DEBUG: Status: 202 Answer: <Sent.>
> > > > 2002-08-06 18:32:04 [3] DEBUG: HTTP: Destroying HTTPClient 
> > > > area 0x80a0b88.
> > > > 2002-08-06 18:32:04 [3] DEBUG: HTTP: Destroying HTTPClient 
> > > > for `127.0.0.1'.
> > > > 
> > > > 
> > > > I run kannel 1.2.0 on a Redhat 7.3 Linux and use an Ericsson 
> > > > T68 via IRDA as
> > > > SMSC. I have also tried kannel's daily snapshots and the 
> > > > problem was not
> > > > solved.
> > > > Does that help? I already talked about my problem in users 
> > > > mailing list and
> > > > we could not find a solution.
> > > > 
> > > > Thanks a lot for helping,
> > > > Stephane.
> > > > 
> > > > -----Original Message-----
> > > > From: Stipe Tolj [mailto:[email protected]]
> > > > Sent: 08 August 2002 12:33
> > > > To: Stephane Pointu
> > > > Cc: [email protected]
> > > > Subject: Re: write failed with errno 11
> > > > 
> > > > 
> > > > Stephane Pointu wrote:
> > > > > 
> > > > > I have problems sending sms's longer than 125 characters. I 
> > > > get this error
> > > > > message:
> > > > > "write failed with errno 11"
> > > > > 
> > > > > Can anybody tell me where i can change the code to split 
> > > > the sms in 125
> > > > > character long pieces.
> > > > 
> > > > first of all, telling us what smsc type you use is 
> helpfull and an
> > > > actual snapshot of the bearerbox and smsbox log would help too.
> > > > 
> > > > Stipe
> > > > 
> > > > [email protected]
> > > > 
> > -------------------------------------------------------------------
> > > > Wapme Systems AG
> > > > 
> > > > Vogelsanger Weg 80
> > > > 40470 Düsseldorf
> > > > 
> > > > Tel: +49-211-74845-0
> > > > Fax: +49-211-74845-299
> > > > 
> > > > E-Mail: [email protected]
> > > > Internet: http://www.wapme-systems.de
> > > > 
> > -------------------------------------------------------------------
> > > > wapme.net - wherever you are
> > > > 
> > > > 
> > > 
> > 
> > 
>
smsc_at2.patch (application/octet-stream, 2.3 KB) 
--- gw/smsc_at2.c	2002-08-07 10:56:44.000000000 +0300
+++ gw/smsc_at2.c	2002-08-08 15:46:56.000000000 +0300
@@ -241,6 +241,7 @@
 {
     int count;
     int s = 0;
+    int write_count = 0;
     Octstr *linestr = NULL;
 
     linestr = octstr_format("%s\r", line);
@@ -248,7 +249,15 @@
     debug("bb.smsc.at2", 0, "AT2[%s]: --> %s^M", octstr_get_cstr(privdata->name), line);
 
     count = octstr_len(linestr);
-    s = write(privdata->fd, octstr_get_cstr(linestr), count);
+    while (1) {
+	errno = 0;
+	s = write(privdata->fd, octstr_get_cstr(linestr), count);
+	if (s < 0 && errno == EAGAIN && write_count < RETRY_SEND) {
+	    gwthread_sleep(1);
+	    ++write_count;
+	} else
+	    break;
+    };
     O_DESTROY(linestr);
     if (s < 0) {
         debug("bb.smsc.at2", 0, "AT2[%s]: write failed with errno %d", 
@@ -266,9 +275,18 @@
 {
     int s;
     char *ctrlz = "\032" ;
-
+    int write_count = 0;
+    
     debug("bb.smsc.at2", 0, "AT2[%s]: --> ^Z", octstr_get_cstr(privdata->name));
-    s = write(privdata->fd, ctrlz, 1);
+    while (1) {
+	errno = 0;
+	s = write(privdata->fd, ctrlz, 1);
+	if (s < 0 && errno == EAGAIN && write_count < RETRY_SEND) {
+	    gwthread_sleep(1);
+	    ++write_count;
+	} else
+	    break;
+    };
     if (s < 0) {
         debug("bb.smsc.at2", 0, "AT2[%s]: write failed with errno %d", 
               octstr_get_cstr(privdata->name), errno);
@@ -1517,14 +1612,18 @@
      */
 
     /* 
-     * message type SUBMIT
-     *    01010001 = 0x51 indicating add. UDH, TP-VP(Rel) & MSG_SUBMIT
-     * or 00010001 = 0x11 for just TP-VP(Rel) & MSG_SUBMIT 
+     * message type SUBMIT , bit mapped :
+     * bit7                            ..                                    bit0
+     * TP-RP , TP-UDHI, TP-SRR, TP-VPF(4), TP-VPF(3), TP-RD, TP-MTI(1), TP-MTI(0)
      */
-
-    pdu[pos] = octstr_len(msg->sms.udhdata) ? at2_numtext(5) : at2_numtext(1);
+    i  = (msg->sms.rpi > 0) << 7 /* TP-RP */
+	& (octstr_len(msg->sms.udhdata) > 0) << 6 /* TP-UDHI */
+	& ((msg->sms.dlr_mask & (DLR_SUCCESS | DLR_FAIL | DLR_BUFFERED)) > 0) << 5 /* TP-SRR */
+	& 16 /* TP-VP(Rel)*/
+	& 1; /* TP-MTI: SUBMIT_SM */
+    pdu[pos] = at2_numtext(i >> 4);
     pos++;
-    pdu[pos] = at2_numtext(AT_SUBMIT_SM);
+    pdu[pos] = at2_numtext(i & 15);
     pos++;
 
     /* message reference (0 for now) */
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