OPENZAP-238: [freetdm] Add new GSM parameter startup-command

The new parameter startup-command for gsm spans allows
executing raw AT commands on span startup

diff --git a/libs/freetdm/conf/freetdm.conf.xml b/libs/freetdm/conf/freetdm.conf.xml
index 9b9912006d315ebc26c59df5ddc2424728a952a8..0b006dc704d0da081e876dedc26851117fa03ade 100644 (file)
--- a/libs/freetdm/conf/freetdm.conf.xml
+++ b/libs/freetdm/conf/freetdm.conf.xml
@@ -623,6 +623,10 @@ with the signaling protocols that you can run on top of your I/O interfaces.
 
                        <!-- Number to dial to disable forwarding when the call ends (if immediate forwarding was enabled) -->
                        <!-- <param name="disable-forwarding-number" value="*73" /> -->
+
+                       <!-- Startup raw AT commands to run, you can repeat this parameter as many times as needed -->
+                       <!-- <param name="startup-command" value="AT$GPSP=1" /> -->
+                       <!-- <param name="startup-command" value="AT$GPSAT=1" /> -->
                </span>
        </gsm_spans>
 </configuration>

diff --git a/libs/freetdm/src/ftmod/ftmod_gsm/ftmod_gsm.c b/libs/freetdm/src/ftmod/ftmod_gsm/ftmod_gsm.c
index 9e136313df3f8c5adaf64215cf9ca04d72b53f3c..13c5e614c591539815a57043b775d0fcf67db644 100755 (executable)
--- a/libs/freetdm/src/ftmod/ftmod_gsm/ftmod_gsm.c
+++ b/libs/freetdm/src/ftmod/ftmod_gsm/ftmod_gsm.c
@@ -119,6 +119,7 @@ typedef struct ftdm_gsm_span_data_s {
        ftdm_timer_id_t immediate_forwarding_timer;
        ftdm_bool_t init_conditional_forwarding;
        ftdm_bool_t startup_forwarding_disabled;
+       char startup_commands[20][50];
 } ftdm_gsm_span_data_t;
 
 // command handler function type.
@@ -259,7 +260,14 @@ static void on_wat_span_status(unsigned char span_id, wat_span_status_t *status)
        switch (status->type) {
        case WAT_SPAN_STS_READY:
                {
+                       int i = 0;
                        ftdm_log(FTDM_LOG_INFO, "span %d: Ready\n", span_id);
+                       for (i = 0; !ftdm_strlen_zero_buf(gsm_data->startup_commands[i]); i++) {
+                               ftdm_log(FTDM_LOG_INFO, "span %d: Executing startup command '%s'\n", span_id, gsm_data->startup_commands[i]);
+                               if (WAT_SUCCESS != wat_cmd_req(span_id, gsm_data->startup_commands[i], NULL, NULL)) {
+                                       ftdm_log(FTDM_LOG_ERROR, "span %d: Failed requesting execution of command '%s'\n", span_id, gsm_data->startup_commands[i]);
+                               }
+                       }
                }
                break;
        case WAT_SPAN_STS_SIGSTATUS:
@@ -1009,6 +1017,7 @@ static FIO_CONFIGURE_SPAN_SIGNALING_FUNCTION(ftdm_gsm_configure_span_signaling)
        const char *var = NULL;
        const char *val = NULL;
        char schedname[255];
+       int cmdindex = 0;
 
        int codec = FTDM_CODEC_SLIN;
        int interval = 20;
@@ -1072,6 +1081,7 @@ static FIO_CONFIGURE_SPAN_SIGNALING_FUNCTION(ftdm_gsm_configure_span_signaling)
        gsm_data->dchan = dchan;
        gsm_data->bchan = bchan;
 
+       cmdindex = 0;
        for (paramindex = 0; ftdm_parameters[paramindex].var; paramindex++) {
                var = ftdm_parameters[paramindex].var;
                val = ftdm_parameters[paramindex].val;
@@ -1150,6 +1160,14 @@ ifn_parse_done:
                        ftdm_set_string(gsm_data->immediate_forward_prefix, val);
                } else if (!strcasecmp(var, "disable-forwarding-number")) {
                        ftdm_set_string(gsm_data->disable_forward_number, val);
+               } else if (!strcasecmp(var, "startup-command")) {
+                       if (cmdindex < (ftdm_array_len(gsm_data->startup_commands) - 1)) {
+                               ftdm_set_string(gsm_data->startup_commands[cmdindex], val);
+                               ftdm_log(FTDM_LOG_DEBUG, "Adding startup command '%s' to GSM span %s\n", gsm_data->startup_commands[cmdindex], span->name);
+                               cmdindex++;
+                       } else {
+                               ftdm_log(FTDM_LOG_ERROR, "Ignoring startup command '%s' ... max commands limit reached", val);
+                       }
                } else {
                        ftdm_log(FTDM_LOG_ERROR, "Ignoring unknown GSM parameter '%s'", var);
                }