Hello,
I was wondering is it possible, to as a modem a query "*101#" which will check status of prepaid card.
Of course it's possible and I have found a perfect solution for this on this forum.

But I stuck on a different problem, I would like to store this answer to dataase. I tried to look inside of scripts/regular_run script, but it is working on files only and I don't know how can I ask modem through command line to get answer for my "*101#" question?

When I use regular_run_cmd = ATDT*101# answer is in regular_run_statfile for reading once, then this file is deleted in the "next loop".

I can see that when I try to use regular_run, regular_run_cmd is skiped, so I can't ask for this file content every loop.


My smsd.conf (part with modem config):
... [PCMCIA] #Sierra Wireless 750+ device = /dev/com8 pre_init = no incoming = yes outgoing = yes report = yes baudrate = 115200 loglevel = 7 #Status part regular_run_interval = 60 regular_run_cmd = ATDT*109# regular_run_cmd = ATDT*101# regular_run_statfile = /var/log/smsd_regular_run_answer.log regular_run_logfile = /var/log/smsd_regular_run.log regular_run = /etc/smsd/regular_run.sh

My regrular_run.sh (very simple to check can I grab the contents of a answer file):


After starting I get this piece of log:
2009-08-26 13:41:50,6, PCMCIA: No SMS received 2009-08-26 13:41:50,6, PCMCIA: Running a regular_run. 2009-08-26 13:41:50,7, PCMCIA: Running regular_run (modem): /etc/smsd/regular_run.sh: /var/log/smsd_regular_run_answer.log: No such file or directory 2009-08-26 13:41:51,7, PCMCIA: Done: regular_run (modem), execution time 1 sec., status: 0 2009-08-26 13:42:01,6, PCMCIA: Checking device for incoming SMS

Maby there's another way to grab answer and put this file into database?


Regards
Mikolaj

Thanks for your report.

The regular_run script can be used to communicate with a modem because a modem port is close while running this script. However, I do not recommend this kind of usage, especially if you are not very familiar with some command line terminal interface.

The regular_run_statfile is deleted on every loop because this file should contain the latest information, or nothing if there was no commands to run.

Your script (regular_run.sh) could check if the file exists, like:
#!/bin/bash if [ -f /var/log/smsd_regular_run_answer.log ]; then DATE=`date +"%Y-%m-%d %H:%M:%S"` ANSWER=`cat /var/log/smsd_regular_run_answer.log` echo $DATE $ANSWER >> /tmp/tmp111 fi

If you can change and compile the source code of smsd, we can make this functionality much better: Currently regular_run is executed first. There usually is regular_run_statfile available while running regular_run, but it's from the previous run. With a small change to the code, we can get a better execution order: regular_run_cmdfile first, then regular_run_cmd's and regular_run script last. You still have to check the existence of a statfile, but when it's available, it's content is fresh.

# diff -pu6 smsd.c smsd_changed.c
--- smsd.c 2009-05-31 19:21:18.000000000 +0300 +++ smsd_changed.c 2009-08-28 08:44:32.000000000 +0300 @@ -4906,30 +4906,12 @@ int run_rr() FILE *fp; char st[1024]; char *p; modem_was_open = modem_handle >= 0; - if (DEVICE.dev_rr[0]) - { - writelogfile(LOG_INFO, 0, "Running a regular_run."); - - if (modem_was_open) - try_closemodem(1); - - i = exec_system(DEVICE.dev_rr, EXEC_RR_MODEM); - if (i) - { - writelogfile0(LOG_ERR, 0, tb_sprintf("Regular_run %s returned %i.", DEVICE.dev_rr, i)); - alarm_handler0(LOG_ERR, tb); - } - - if (modem_was_open) - try_openmodem(); - } - if (DEVICE.dev_rr_statfile[0]) unlink(DEVICE.dev_rr_statfile); // cmd_to_modem opens a modem if necessary. if (DEVICE.dev_rr_cmdfile[0]) @@ -4965,12 +4947,30 @@ int run_rr() break; } p = strchr(p, 0) +1; } } + if (DEVICE.dev_rr[0]) + { + writelogfile(LOG_INFO, 0, "Running a regular_run."); + + if (modem_was_open) + try_closemodem(1); + + i = exec_system(DEVICE.dev_rr, EXEC_RR_MODEM); + if (i) + { + writelogfile0(LOG_ERR, 0, tb_sprintf("Regular_run %s returned %i.", DEVICE.dev_rr, i)); + alarm_handler0(LOG_ERR, tb); + } + + if (modem_was_open) + try_openmodem(); + } + if (!modem_was_open) try_closemodem(0); return result; }

Hopefully you can make and test this change. I will include this change in the next version, but it's not known when the next version is released. Probably not very soon...

Any comments and feedback are welcome (as usual ).

I will try to change this code... but I'm a little afraid of this ;-)

I'll let you know when I do that. But first I have to find out how to use this diff file ;-)

Regards
Mikolaj

PS Can you give me an example how to ask modem in this regular_run.sh file to answer for this "ATDT*101#" ?
I have no idea how to do that. I was looking for example on this forum but no results where found.

mikolajj wrote

I will try to change this code... but I'm a little afraid of this ;-)

I'll let you know when I do that. But first I have to find out how to use this diff file ;-)

Actually, do not apply that previous batch...

Like said, it changes the script regular_run to be executed last, but it's not enough. That script can be used to create commands for regular_run_cmdfile and therefore it should be executed first too.

Here is a new patch for version 3.1.5. The script is executed twice, first time with an argument PRE_RUN. During this run, the script can create commands to regular_run_cmdfile. Next all cmd's are executed and last the script is executed with an argument POST_RUN. During this run, the script can examine regular_run_statfile and make some actions required.

This patch can be applied to the original 3.1.5 smsd.c using the following command (running in src directory):
patch < /tmp/patchfile

diff -u smsd.c smsd_changed.c > /tmp/patchfile
--- smsd.c 2009-05-31 19:21:18.000000000 +0300 +++ smsd_changed.c 2009-09-02 19:03:21.000000000 +0300 @@ -4906,20 +4906,23 @@ FILE *fp; char st[1024]; char *p; + char cmdline[PATH_MAX+PATH_MAX+32]; modem_was_open = modem_handle >= 0; if (DEVICE.dev_rr[0]) { - writelogfile(LOG_INFO, 0, "Running a regular_run."); + p = "PRE_RUN"; + writelogfile(LOG_INFO, 0, "Running a regular_run (%s).", p); if (modem_was_open) try_closemodem(1); - i = exec_system(DEVICE.dev_rr, EXEC_RR_MODEM); + snprintf(cmdline, sizeof(cmdline), "%s %s", DEVICE.dev_rr, p); + i = exec_system(cmdline, EXEC_RR_MODEM); if (i) { - writelogfile0(LOG_ERR, 0, tb_sprintf("Regular_run %s returned %i.", DEVICE.dev_rr, i)); + writelogfile0(LOG_ERR, 0, tb_sprintf("Regular_run %s %s returned %i.", DEVICE.dev_rr, p, i)); alarm_handler0(LOG_ERR, tb); } @@ -4968,6 +4971,26 @@ } } + if (DEVICE.dev_rr[0]) + { + p = "POST_RUN"; + writelogfile(LOG_INFO, 0, "Running a regular_run (%s).", p); + + if (modem_was_open) + try_closemodem(1); + + snprintf(cmdline, sizeof(cmdline), "%s %s", DEVICE.dev_rr, p); + i = exec_system(cmdline, EXEC_RR_MODEM); + if (i) + { + writelogfile0(LOG_ERR, 0, tb_sprintf("Regular_run %s %s returned %i.", DEVICE.dev_rr, p, i)); + alarm_handler0(LOG_ERR, tb); + } + + if (modem_was_open) + try_openmodem(); + } + if (!modem_was_open) try_closemodem(0);

mikolajj wrote

PS Can you give me an example how to ask modem in this regular_run.sh file to answer for this "ATDT*101#" ?
I have no idea how to do that. I was looking for example on this forum but no results where found.

With this new patch you can use the regular_run.sh like:
#!/bin/bash regular_run_cmdfile="/var/spool/sms/regular_run_cmdfile" regular_run_statfile="/var/spool/sms/regular_run_statfile" if [ "$1" = "PRE_RUN" ]; then echo "AT+CUSD=1,"*100#",0;" >> $regular_run_cmdfile fi if [ "$1" = "POST_RUN" ]; then if [ -f $regular_run_statfile ]; then DATE=`date +"%Y-%m-%d %H:%M:%S"` ANSWER=`cat $regular_run_statfile` echo $DATE $ANSWER >> /tmp/tmp111 fi fi exit 0

Hurrayyy ;-)

It's working ;-)

Regards
Mikolaj

Good.

Thanks for the information. This change will be included in the next version. Probably a new setting should be used to keep this feature backward compatible.

Currently it may take up to three months until the next version is released.