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at_response.c
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/*
Copyright (C) 2009 - 2010
Artem Makhutov <artem@makhutov.org>
http://www.makhutov.org
Dmitry Vagin <dmitry2004@yandex.ru>
bg <bg_one@mail.ru>
Copyright (C) 2020 Max von Buelow <max@m9x.de>
*/
#include "ast_config.h"
#include <asterisk/logger.h> /* ast_debug() */
#include <asterisk/pbx.h> /* ast_pbx_start() */
#include <sys/sysinfo.h>
#include "ast_compat.h" /* asterisk compatibility fixes */
#include "at_response.h"
#include "mutils.h" /* STRLEN() */
#include "at_queue.h"
#include "chan_quectel.h"
#include "at_parse.h"
#include "char_conv.h"
#include "manager.h"
#include "channel.h" /* channel_queue_hangup() channel_queue_control() */
#include "smsdb.h"
#include "error.h"
#define CCWA_STATUS_NOT_ACTIVE 0
#define CCWA_STATUS_ACTIVE 1
#define CLCC_CALL_TYPE_VOICE 0
#define CLCC_CALL_TYPE_DATA 1
#define CLCC_CALL_TYPE_FAX 2
static const at_response_t at_responses_list[] = {
AT_RESPONSES_TABLE(AT_RES_AS_STRUCTLIST)
/* The hackish way to define the duplicated responses in the meantime */
#define DEF_STR(str) str,STRLEN(str)
{ RES_CNUM, "+CNUM",DEF_STR("ERROR+CNUM:") },
{ RES_ERROR,"ERROR",DEF_STR("COMMAND NOT SUPPORT\r") },
#undef DEF_STR
};
EXPORT_DEF const at_responses_t at_responses = { at_responses_list, 2, ITEMS_OF(at_responses_list), RES_MIN, RES_MAX};
/*!
* \brief Get the string representation of the given AT response
* \param res -- the response to process
* \return a string describing the given response
*/
EXPORT_DEF const char* at_res2str (at_res_t res)
{
if((int)res >= at_responses.name_first && (int)res <= at_responses.name_last)
return at_responses.responses[res - at_responses.name_first].name;
return "UNDEFINED";
}
/*!
* \brief Handle OK response
* \param pvt -- pvt structure
* \retval 0 success
* \retval -1 error
*/
static long uptime()
{
struct sysinfo s_info;
int error = sysinfo(&s_info);
if(error != 0)
{
ast_log(LOG_ERROR,"Sysinfo error code %d\n", error);
}
return s_info.uptime;
}
static void request_clcc(struct pvt* pvt)
{
if (at_enqueue_clcc(&pvt->sys_chan))
{
ast_log(LOG_ERROR, "[%s] Error enqueue List Current Calls request\n", PVT_ID(pvt));
}
}
static int at_response_rcend (struct pvt * pvt, const char* str)
{
int call_index = 0;
unsigned int duration = 0;
int end_status = 0;
int cc_cause = 0;
struct cpvt * cpvt;
if (pvt->call_estb) return 0;
cpvt = active_cpvt(pvt);
if (cpvt)
{
if(CPVT_IS_SOUND_SOURCE(cpvt)) voice_disable(pvt);
call_index = cpvt->call_idx;
ast_debug (1, "[%s] CEND: call_index %d duration %d end_status %d cc_cause %d Line disconnected\n"
, PVT_ID(pvt), call_index, duration, end_status, cc_cause);
CPVT_RESET_FLAGS(cpvt, CALL_FLAG_NEED_HANGUP);
PVT_STAT(pvt, calls_duration[cpvt->dir]) += duration;
change_channel_state(cpvt, CALL_STATE_RELEASED, cc_cause);
manager_event_cend(PVT_ID(pvt), call_index, duration, end_status, cc_cause);
}
return 0;
}
static int at_response_cend (struct pvt * pvt, const char* str)
{
int call_index = 0;
int duration = 0;
int end_status = 0;
int cc_cause = 0;
struct cpvt * cpvt;
pvt->call_estb = 0;
request_clcc(pvt);
/*
* parse CEND info in the following format:
* ^CEND:<call_index>,<duration>,<end_status>[,<cc_cause>]
*/
if (sscanf (str, "VOICE CALL: END: %d", &duration) != 1)
{
ast_debug (1, "[%s] Could not parse all CEND parameters\n", PVT_ID(pvt));
return 0;
}
ast_debug (1, "[%s] CEND: call_index %d duration %d end_status %d cc_cause %d Line disconnected\n"
, PVT_ID(pvt), call_index, duration, end_status, cc_cause);
cpvt = active_cpvt(pvt);
if (cpvt)
{
voice_disable(pvt);
call_index = cpvt->call_idx;
ast_debug (1, "[%s] CEND: call_index %d duration %d end_status %d cc_cause %d Line disconnected\n"
, PVT_ID(pvt), call_index, duration, end_status, cc_cause);
CPVT_RESET_FLAGS(cpvt, CALL_FLAG_NEED_HANGUP);
PVT_STAT(pvt, calls_duration[cpvt->dir]) += duration;
change_channel_state(cpvt, CALL_STATE_RELEASED, cc_cause);
manager_event_cend(PVT_ID(pvt), call_index, duration, end_status, cc_cause);
}
else
{
ast_log (LOG_ERROR, "[%s] CEND event for unknown call idx '%d'\n", PVT_ID(pvt), call_index);
}
return 0;
}
static int at_response_ok (struct pvt* pvt, at_res_t res)
{
const at_queue_task_t * task = at_queue_head_task (pvt);
const at_queue_cmd_t * ecmd = at_queue_task_cmd(task);
if(!ecmd)
{
ast_log (LOG_ERROR, "[%s] Received unexpected 'OK'\n", PVT_ID(pvt));
return 0;
}
if(ecmd->res == RES_OK || ecmd->res == RES_CMGR)
{
switch (ecmd->cmd)
{
case CMD_AT:
case CMD_AT_Z:
case CMD_AT_E:
case CMD_AT_U2DIAG:
case CMD_AT_CGMI:
case CMD_AT_CGMM:
case CMD_AT_CGMR:
case CMD_AT_CMEE:
case CMD_AT_CGSN:
case CMD_AT_CIMI:
case CMD_AT_CPIN:
case CMD_AT_CCWA_SET:
case CMD_AT_CCWA_STATUS:
case CMD_AT_CHLD_2:
case CMD_AT_CHLD_3:
case CMD_AT_CSCA:
case CMD_AT_CLCC:
case CMD_AT_CLIR:
ast_debug (3, "[%s] %s sent successfully\n", PVT_ID(pvt), at_cmd2str (ecmd->cmd));
break;
case CMD_AT_COPS_INIT:
ast_debug (1, "[%s] Operator select parameters set\n", PVT_ID(pvt));
break;
case CMD_AT_CREG_INIT:
pvt->call_estb = 0;
ast_debug (1, "[%s] registration info enabled\n", PVT_ID(pvt));
break;
case CMD_AT_CREG:
ast_debug (1, "[%s] registration query sent\n", PVT_ID(pvt));
break;
case CMD_AT_CNUM:
ast_debug (1, "[%s] Subscriber phone number query successed\n", PVT_ID(pvt));
break;
case CMD_AT_CVOICE:
ast_debug (1, "[%s] Quectel has voice support\n", PVT_ID(pvt));
pvt->has_voice = 1;
pvt->is_simcom = 0;
break;
case CMD_AT_CVOICE2:
ast_debug (1, "[%s] Simcom has voice support\n", PVT_ID(pvt));
pvt->has_voice = 1;
pvt->is_simcom = 1;
pvt->t0 = 0;
static const char cmd_atrcend[] = "AT$QCRCIND=1\r";
static const at_queue_cmd_t cmds1[] = {
ATQ_CMD_DECLARE_STIT(CMD_AT_Z, cmd_atrcend, ATQ_CMD_TIMEOUT_MEDIUM, 0),
};
if (at_queue_insert_const(&pvt->sys_chan, cmds1, ITEMS_OF(cmds1), 1) != 0) {
chan_quectel_err = E_QUEUE;
return -1;
}
break;
/*
case CMD_AT_CLIP:
ast_debug (1, "[%s] Calling line indication disabled\n", PVT_ID(pvt));
break;
*/
case CMD_AT_CSSN:
ast_debug (1, "[%s] Supplementary Service Notification enabled successful\n", PVT_ID(pvt));
break;
case CMD_AT_CMGF:
ast_debug (1, "[%s] SMS operation mode set to PDU\n", PVT_ID(pvt));
break;
case CMD_AT_CSCS:
ast_debug (1, "[%s] UCS-2 text encoding enabled\n", PVT_ID(pvt));
pvt->use_ucs2_encoding = 1;
break;
case CMD_AT_CPMS:
ast_debug (1, "[%s] SMS storage location is established\n", PVT_ID(pvt));
break;
case CMD_AT_CNMI:
ast_debug (1, "[%s] SMS new message indication enabled\n", PVT_ID(pvt));
ast_debug (1, "[%s] Quectel has sms support\n", PVT_ID(pvt));
pvt->has_sms = 1;
if (!pvt->initialized)
{
pvt->timeout = DATA_READ_TIMEOUT;
pvt->initialized = 1;
ast_verb (3, "[%s] Quectel initialized and ready\n", PVT_ID(pvt));
manager_event_device_status(PVT_ID(pvt), "Initialize");
}
break;
case CMD_AT_D:
pvt->dialing = 1;
if (task->cpvt != &pvt->sys_chan) {
pvt->last_dialed_cpvt = task->cpvt;
}
/* fall through */
case CMD_AT_A:
case CMD_AT_CHLD_2x:
/* not work, ^CONN: appear before OK for CHLD_ANSWER
task->cpvt->answered = 1;
task->cpvt->needhangup = 1;
*/
CPVT_SET_FLAGS(task->cpvt, CALL_FLAG_NEED_HANGUP);
ast_debug (1, "[%s] %s sent successfully for call id %d\n", PVT_ID(pvt), at_cmd2str (ecmd->cmd), task->cpvt->call_idx);
break;
case CMD_AT_CFUN:
/* in case of reset */
pvt->ring = 0;
pvt->dialing = 0;
pvt->cwaiting = 0;
break;
case CMD_AT_DDSETEX:
pvt->t0 = 0;
ast_debug (1, "[%s] %s sent successfully\n", PVT_ID(pvt), at_cmd2str (ecmd->cmd));
if (!pvt->initialized)
{
pvt->timeout = DATA_READ_TIMEOUT;
pvt->initialized = 1;
ast_verb (3, "[%s] Quectel initialized and ready\n", PVT_ID(pvt));
manager_event_device_status(PVT_ID(pvt), "Initialize");
}
break;
case CMD_AT_DDSETEX0:
pvt->t0 = 0;
ast_debug (1, "[%s] %s sent successfully\n", PVT_ID(pvt), at_cmd2str (ecmd->cmd));
break;
case CMD_AT_CHUP:
case CMD_AT_CHLD_1x:
CPVT_RESET_FLAGS(task->cpvt, CALL_FLAG_NEED_HANGUP);
ast_debug (1, "[%s] Successful hangup for call idx %d\n", PVT_ID(pvt), task->cpvt->call_idx);
break;
case CMD_AT_CMGS:
ast_debug (1, "[%s] Sending sms message in progress\n", PVT_ID(pvt));
break;
case CMD_AT_SMSTEXT:
pvt->outgoing_sms = 0;
pvt_try_restate(pvt);
/* TODO: move to +CMGS: handler */
ast_verb (3, "[%s] Successfully sent SMS message %p\n", PVT_ID(pvt), task);
ast_log (LOG_NOTICE, "[%s] Successfully sent SMS message %p\n", PVT_ID(pvt), task);
break;
case CMD_AT_DTMF:
ast_debug (1, "[%s] DTMF sent successfully for call idx %d\n", PVT_ID(pvt), task->cpvt->call_idx);
break;
case CMD_AT_CUSD:
ast_verb (3, "[%s] Successfully sent USSD %p\n", PVT_ID(pvt), task);
ast_log (LOG_NOTICE, "[%s] Successfully sent USSD %p\n", PVT_ID(pvt), task);
break;
case CMD_AT_COPS:
ast_debug (1, "[%s] Provider query successfully\n", PVT_ID(pvt));
break;
case CMD_AT_CMGR:
ast_debug (1, "[%s] SMS message see later\n", PVT_ID(pvt));
at_retrieve_next_sms(&pvt->sys_chan, at_cmd_suppress_error_mode(ecmd->flags));
break;
case CMD_AT_CMGD:
ast_debug (1, "[%s] SMS message deleted successfully\n", PVT_ID(pvt));
break;
case CMD_AT_CSQ:
ast_debug (1, "[%s] Got signal strength result\n", PVT_ID(pvt));
break;
case CMD_AT_CLVL:
pvt->volume_sync_step++;
if(pvt->volume_sync_step == VOLUME_SYNC_DONE)
{
ast_debug (1, "[%s] Volume level synchronized\n", PVT_ID(pvt));
pvt->volume_sync_step = VOLUME_SYNC_BEGIN;
}
break;
case CMD_USER:
break;
default:
ast_log (LOG_ERROR, "[%s] Received 'OK' for unhandled command '%s'\n", PVT_ID(pvt), at_cmd2str (ecmd->cmd));
break;
}
at_queue_handle_result (pvt, res);
}
else
{
ast_log (LOG_ERROR, "[%s] Received 'OK' when expecting '%s', ignoring\n", PVT_ID(pvt), at_res2str (ecmd->res));
}
return 0;
}
static void log_cmd_response_error(const struct pvt* pvt, const at_queue_cmd_t *ecmd, const char *fmt, ...)
{
va_list ap;
char tempbuff[512];
if (at_cmd_suppress_error_mode(ecmd->flags) == SUPPRESS_ERROR_ENABLED) {
if (DEBUG_ATLEAST(1)) {
ast_log(AST_LOG_DEBUG, "[%s] Command response error suppressed:\n", PVT_ID(pvt));
va_start(ap, fmt);
vsnprintf(tempbuff, 512, fmt, ap);
va_end(ap);
ast_log(AST_LOG_DEBUG, "%s", tempbuff);
}
return;
}
va_start(ap, fmt);
vsnprintf(tempbuff, 512, fmt, ap);
ast_log(LOG_ERROR, "%s", tempbuff);
va_end(ap);
}
/*!
* \brief Handle ERROR response
* \param pvt -- pvt structure
* \retval 0 success
* \retval -1 error
*/
static int at_response_error (struct pvt* pvt, at_res_t res)
{
const at_queue_task_t * task = at_queue_head_task(pvt);
const at_queue_cmd_t * ecmd = at_queue_task_cmd(task);
if (ecmd && (ecmd->res == RES_OK || ecmd->res == RES_CMGR || ecmd->res == RES_SMS_PROMPT))
{
switch (ecmd->cmd)
{
/* critical errors */
case CMD_AT:
case CMD_AT_Z:
case CMD_AT_E:
case CMD_AT_CLCC:
log_cmd_response_error(pvt, ecmd, "[%s] Command '%s' failed\n", PVT_ID(pvt), at_cmd2str (ecmd->cmd));
/* mean disconnected from device */
goto e_return;
/* not critical errors */
case CMD_AT_U2DIAG:
case CMD_AT_CCWA_SET:
case CMD_AT_CCWA_STATUS:
case CMD_AT_CNUM:
log_cmd_response_error(pvt, ecmd, "[%s] Command '%s' failed\n", PVT_ID(pvt), at_cmd2str (ecmd->cmd));
/* mean ignore error */
break;
case CMD_AT_CGMI:
log_cmd_response_error(pvt, ecmd, "[%s] Getting manufacturer info failed\n", PVT_ID(pvt));
goto e_return;
case CMD_AT_CGMM:
log_cmd_response_error(pvt, ecmd, "[%s] Getting model info failed\n", PVT_ID(pvt));
goto e_return;
case CMD_AT_CGMR:
log_cmd_response_error(pvt, ecmd, "[%s] Getting firmware info failed\n", PVT_ID(pvt));
goto e_return;
case CMD_AT_CMEE:
log_cmd_response_error(pvt, ecmd, "[%s] Setting error verbosity level failed\n", PVT_ID(pvt));
goto e_return;
case CMD_AT_CGSN:
log_cmd_response_error(pvt, ecmd, "[%s] Getting IMEI number failed\n", PVT_ID(pvt));
goto e_return;
case CMD_AT_CIMI:
log_cmd_response_error(pvt, ecmd, "[%s] Getting IMSI number failed\n", PVT_ID(pvt));
goto e_return;
case CMD_AT_CPIN:
log_cmd_response_error(pvt, ecmd, "[%s] Error checking PIN state\n", PVT_ID(pvt));
goto e_return;
case CMD_AT_COPS_INIT:
log_cmd_response_error(pvt, ecmd, "[%s] Error setting operator select parameters\n", PVT_ID(pvt));
goto e_return;
case CMD_AT_CREG_INIT:
log_cmd_response_error(pvt, ecmd, "[%s] Error enabling registration info\n", PVT_ID(pvt));
goto e_return;
case CMD_AT_CREG:
ast_debug (1, "[%s] Error getting registration info\n", PVT_ID(pvt));
break;
case CMD_AT_CVOICE:
ast_debug (1, "[%s] No Quectel voice support\n", PVT_ID(pvt));
pvt->has_voice = 0;
break;
case CMD_AT_CVOICE2:
ast_debug (1, "[%s] No Simcom voice support\n", PVT_ID(pvt));
pvt->is_simcom = 0;
if (!pvt->has_voice) {
ast_log(LOG_ERROR, "[%s] Dongle has NO voice support\n", PVT_ID(pvt));
}
if (!pvt->initialized)
{
/* continue initialization in other job at cmd CMD_AT_CMGF */
if (at_enqueue_initialization(task->cpvt, CMD_AT_CMGF))
{
log_cmd_response_error(pvt, ecmd, "[%s] Error schedule initialization commands\n", PVT_ID(pvt));
goto e_return;
}
}
break;
/*
case CMD_AT_CLIP:
log_cmd_response_error(pvt, ecmd, "[%s] Error enabling calling line indication\n", PVT_ID(pvt));
goto e_return;
*/
case CMD_AT_CSSN:
log_cmd_response_error(pvt, ecmd, "[%s] Error Supplementary Service Notification activation failed\n", PVT_ID(pvt));
goto e_return;
case CMD_AT_CMGF:
case CMD_AT_CPMS:
case CMD_AT_CNMI:
ast_debug (1, "[%s] Command '%s' failed\n", PVT_ID(pvt), at_cmd2str (ecmd->cmd));
ast_debug (1, "[%s] No SMS support\n", PVT_ID(pvt));
pvt->has_sms = 0;
if (!pvt->initialized)
{
if (pvt->has_voice)
{
/* continue initialization in other job at cmd CMD_AT_CSQ */
if (at_enqueue_initialization(task->cpvt, CMD_AT_CSQ))
{
log_cmd_response_error(pvt, ecmd, "[%s] Error querying signal strength\n", PVT_ID(pvt));
goto e_return;
}
pvt->timeout = DATA_READ_TIMEOUT;
pvt->initialized = 1;
/* FIXME: say 'initialized and ready' but disconnect */
// ast_verb (3, "[%s] Quectel initialized and ready\n", PVT_ID(pvt));
}
goto e_return;
}
break;
case CMD_AT_CSCS:
ast_debug (1, "[%s] No UCS-2 encoding support\n", PVT_ID(pvt));
pvt->use_ucs2_encoding = 0;
break;
case CMD_AT_A:
case CMD_AT_CHLD_2x:
log_cmd_response_error(pvt, ecmd, "[%s] Answer failed for call idx %d\n", PVT_ID(pvt), task->cpvt->call_idx);
queue_hangup (task->cpvt->channel, 0);
break;
case CMD_AT_CHLD_3:
log_cmd_response_error(pvt, ecmd, "[%s] Can't begin conference call idx %d\n", PVT_ID(pvt), task->cpvt->call_idx);
queue_hangup(task->cpvt->channel, 0);
break;
case CMD_AT_CLIR:
log_cmd_response_error(pvt, ecmd, "[%s] Setting CLIR failed\n", PVT_ID(pvt));
break;
case CMD_AT_CHLD_2:
if (!CPVT_TEST_FLAG(task->cpvt, CALL_FLAG_HOLD_OTHER) ||
task->cpvt->state != CALL_STATE_INIT) {
break;
}
/* fall through */
case CMD_AT_D:
log_cmd_response_error(pvt, ecmd, "[%s] Dial failed\n", PVT_ID(pvt));
queue_control_channel (task->cpvt, AST_CONTROL_CONGESTION);
break;
case CMD_AT_DDSETEX:
log_cmd_response_error(pvt, ecmd, "[%s] %s Enable audio failed, retrying...\n", PVT_ID(pvt), at_cmd2str(ecmd->cmd));
if (pvt->t0 >= 5) {
pvt->t0 = 0;
break;
}
sleep(1);
pvt->t0 += 1;
voice_enable(pvt);
break;
case CMD_AT_DDSETEX0:
// log_cmd_response_error(pvt, ecmd, "[%s] Disable audio with %s failed, retrying...\n", PVT_ID(pvt), at_cmd2str(ecmd->cmd));
if (pvt->t0 >= 5) {
pvt->t0 = 0;
break;
}
sleep(1);
pvt->t0 += 1;
voice_disable(pvt);
break;
case CMD_AT_CHUP:
case CMD_AT_CHLD_1x:
log_cmd_response_error(pvt, ecmd, "[%s] Error sending hangup for call idx %d\n", PVT_ID(pvt), task->cpvt->call_idx);
break;
case CMD_AT_CMGR:
// log_cmd_response_error(pvt, ecmd, "[%s] Error reading SMS message, resetting index\n", PVT_ID(pvt));
pvt->incoming_sms_index = -1U;
break;
case CMD_AT_CMGD:
log_cmd_response_error(pvt, ecmd, "[%s] Error deleting SMS message\n", PVT_ID(pvt));
break;
case CMD_AT_CMGS:
case CMD_AT_SMSTEXT:
pvt->outgoing_sms = 0;
pvt_try_restate(pvt);
{
char payload[SMSDB_PAYLOAD_MAX_LEN];
char dst[SMSDB_DST_MAX_LEN];
ssize_t payload_len = smsdb_outgoing_clear(task->uid, dst, payload);
if (payload_len >= 0) {
ast_verb (3, "[%s] Error payload: %.*s\n", PVT_ID(pvt), (int) payload_len, payload);
channel_var_t vars[] =
{
{ "SMS_REPORT_PAYLOAD", payload },
{ "SMS_REPORT_TS", "" },
{ "SMS_REPORT_DT", "" },
{ "SMS_REPORT_SUCCESS", "0" },
{ "SMS_REPORT_TYPE", "i" },
{ "SMS_REPORT", "" },
{ NULL, NULL },
};
start_local_channel(pvt, "report", dst, vars);
manager_event_report(PVT_ID(pvt), payload, payload_len, "", "", 0, 0, "");
}
}
ast_verb (3, "[%s] Error sending SMS message %p\n", PVT_ID(pvt), task);
log_cmd_response_error(pvt, ecmd, "[%s] Error sending SMS message %p %s\n", PVT_ID(pvt), task, at_cmd2str (ecmd->cmd));
break;
case CMD_AT_DTMF:
log_cmd_response_error(pvt, ecmd, "[%s] Error sending DTMF\n", PVT_ID(pvt));
break;
case CMD_AT_COPS:
ast_debug (1, "[%s] Could not get provider name\n", PVT_ID(pvt));
break;
case CMD_AT_CLVL:
ast_debug (1, "[%s] Audio level synchronization failed at step %d/%d\n", PVT_ID(pvt), pvt->volume_sync_step, VOLUME_SYNC_DONE-1);
pvt->volume_sync_step = VOLUME_SYNC_BEGIN;
break;
case CMD_AT_CUSD:
ast_verb (3, "[%s] Error sending USSD %p\n", PVT_ID(pvt), task);
log_cmd_response_error(pvt, ecmd, "[%s] Error sending USSD %p\n", PVT_ID(pvt), task);
break;
default:
log_cmd_response_error(pvt, ecmd, "[%s] Received 'ERROR' for unhandled command '%s'\n", PVT_ID(pvt), at_cmd2str (ecmd->cmd));
break;
}
at_queue_handle_result (pvt, res);
}
else if (ecmd)
{
switch (ecmd->cmd) {
case CMD_AT_CMGR:
at_retrieve_next_sms(&pvt->sys_chan, at_cmd_suppress_error_mode(ecmd->flags));
break;
default:
log_cmd_response_error(pvt, ecmd, "[%s] Received 'ERROR' when expecting '%s', ignoring\n", PVT_ID(pvt), at_res2str (ecmd->res));
break;
}
}
else
{
log_cmd_response_error(pvt, ecmd, "[%s] Received unexpected 'ERROR'\n", PVT_ID(pvt));
}
return 0;
e_return:
at_queue_handle_result (pvt, res);
return -1;
}
/*!
* \brief Handle ^RSSI response Here we get the signal strength.
* \param pvt -- pvt structure
* \param str -- string containing response (null terminated)
* \param len -- string lenght
* \retval 0 success
* \retval -1 error
*/
static int at_response_rssi (struct pvt* pvt, const char* str)
{
int rssi = at_parse_rssi (str);
if (rssi == -1)
{
ast_debug (2, "[%s] Error parsing RSSI event '%s'\n", PVT_ID(pvt), str);
return -1;
}
pvt->rssi = rssi;
return 0;
}
/*!
* \brief Handle ^MODE response Here we get the link mode (GSM, UMTS, EDGE...).
* \param pvt -- pvt structure
* \param str -- string containing response (null terminated)
* \param len -- string lenght
* \retval 0 success
* \retval -1 error
*/
static int at_response_mode (struct pvt* pvt, char* str, size_t len)
{
int mode;
int submode;
int rv = at_parse_mode (str, &mode, &submode);
if(rv)
{
ast_debug (2, "[%s] Error parsing MODE event '%.*s'\n", PVT_ID(pvt), (int) len, str);
}
else
{
pvt->linkmode = mode;
pvt->linksubmode = submode;
}
return rv;
}
/*
static void request_clcc(struct pvt* pvt)
{
if (at_enqueue_clcc(&pvt->sys_chan))
{
ast_log(LOG_ERROR, "[%s] Error enqueue List Current Calls request\n", PVT_ID(pvt));
}
}
*/
/*!
* \brief Handle ^ORIG response
* \param pvt -- pvt structure
* \param str -- string containing response (null terminated)
* \retval 0 success
* \retval -1 error
*/
static int at_response_orig (struct pvt* pvt, const char* str)
{
int call_index;
int call_type;
if (sscanf (str, "^DSCI:%d,%*d,3,%d,%*s", &call_index, &call_type) == 2 && call_type == 0)
{
struct cpvt * cpvt;
request_clcc(pvt);
pvt->ring = 0;
pvt->dialing = 0;
pvt->cwaiting = 0;
ast_debug (1, "[%s] CONN Received call_index %d call_type %d\n", PVT_ID(pvt), call_index, call_type);
if (call_type == CLCC_CALL_TYPE_VOICE)
{
cpvt = pvt_find_cpvt(pvt, call_index);
if(cpvt)
{
/* FIXME: delay until CLCC handle?
*/
if (!pvt->is_simcom) pvt->t0 = uptime();
pvt->call_estb = 1;
PVT_STAT(pvt, calls_answered[cpvt->dir]) ++;
change_channel_state(cpvt, CALL_STATE_ACTIVE, 0);
if(CPVT_TEST_FLAG(cpvt, CALL_FLAG_CONFERENCE))
at_enqueue_conference(cpvt);
}
else
{
at_enqueue_hangup(&pvt->sys_chan, call_index);
ast_log (LOG_ERROR, "[%s] answered incoming call with not exists call idx %d, hanging up!\n", PVT_ID(pvt), call_index);
}
}
else
ast_log (LOG_ERROR, "[%s] answered not voice incoming call type '%d' idx %d, skipped\n", PVT_ID(pvt), call_type, call_index);
return 0;
}
if (sscanf (str, "^DSCI:%d,%*d,6,%d,%*s", &call_index, &call_type) == 2 && call_type == 0)
{
int duration = 0;
int end_status = 0;
int cc_cause = 0;
struct cpvt * cpvt;
request_clcc(pvt);
ast_debug (1, "[%s] CEND: call_index %d duration %d end_status %d cc_cause %d Line disconnected\n"
, PVT_ID(pvt), call_index, duration, end_status, cc_cause);
cpvt = pvt_find_cpvt(pvt, call_index);
if (cpvt)
{
if (pvt->call_estb) duration = uptime() - pvt->t0;
pvt->call_estb = 0;
CPVT_RESET_FLAGS(cpvt, CALL_FLAG_NEED_HANGUP);
PVT_STAT(pvt, calls_duration[cpvt->dir]) += duration;
change_channel_state(cpvt, CALL_STATE_RELEASED, cc_cause);
manager_event_cend(PVT_ID(pvt), call_index, duration, end_status, cc_cause);
}
else
{
// ast_log (LOG_ERROR, "[%s] CEND event for unknown call idx '%d'\n", PVT_ID(pvt), call_index);
}
return 0;
}
if (sscanf (str, "^DSCI:%d,%*d,2,%d,%*s", &call_index, &call_type) != 2)
{
ast_debug (1, "[%s] Irrelevant DSCI URC '%s'\n", PVT_ID(pvt), str);
return 0;
}
struct cpvt * cpvt = pvt->last_dialed_cpvt;
pvt->last_dialed_cpvt = NULL;
if(!cpvt)
{
ast_log (LOG_ERROR, "[%s] ^ORIG '%s' for unknown ATD\n", PVT_ID(pvt), str);
return 0;
}
ast_debug (1, "[%s] ORIG Received call_index: %d call_type %d\n", PVT_ID(pvt), call_index, call_type);
if (call_type == CLCC_CALL_TYPE_VOICE)
{
if (pvt->is_simcom) {
sleep(1);
voice_enable(pvt);
}
if(call_index >= MIN_CALL_IDX && call_index <= MAX_CALL_IDX)
{
/* set REAL call idx */
/* WARNING if direction mismatch
cpvt->dir = CALL_DIR_OUTGOING;
*/
cpvt->call_idx = call_index;
change_channel_state(cpvt, CALL_STATE_DIALING, 0);
/* TODO: move to CONN ? */
/* if(pvt->volume_sync_step == VOLUME_SYNC_BEGIN)
{
pvt->volume_sync_step = VOLUME_SYNC_BEGIN;
if (at_enqueue_volsync(cpvt))
{
ast_log (LOG_ERROR, "[%s] Error synchronize audio level\n", PVT_ID(pvt));
}
else
pvt->volume_sync_step++;
}
*/
request_clcc(pvt);
}
}
else
{
/* FIXME: and reset call if no-voice, bad call_index !
*/
ast_log (LOG_ERROR, "[%s] ORIG event for non-voice call type '%d' index %d\n", PVT_ID(pvt), call_type, call_index);
}
return 0;
}
#if 0
/*!
* \brief Handle ^CONF response
* \param pvt -- pvt structure
* \param str -- string containing response (null terminated)
* \retval 0 success
* \retval -1 error
*/
static int at_response_conf (struct pvt* pvt, const char* str)
{
int call_index;
int call_type;
struct cpvt * cpvt;
/*
* parse CONF info in the following format:
* ^CONF: <call_index>
*/
if (sscanf (str, "^DSCI:%d,%*d,7,%d,%*s", &call_index, &call_type) != 2)
{
ast_log (LOG_ERROR, "[%s] Error parsing CONF event '%s'\n", PVT_ID(pvt), str);
return 0;
}
ast_debug (1, "[%s] CONF Received call_index %d\n", PVT_ID(pvt), call_index);
cpvt = pvt_find_cpvt(pvt, call_index);
if(cpvt)
{
channel_change_state(cpvt, CALL_STATE_ALERTING, 0);
}
return 0;
}
#endif /* 0 */
#if 0
/*!
* \brief Handle ^CEND response
* \param pvt -- pvt structure
* \param str -- string containing response (null terminated)
* \param len -- string lenght
* \retval 0 success
* \retval -1 error
*/
static int at_response_cend (struct pvt * pvt, const char* str)
{
int call_index = 0;
int duration = 0;
int end_status = 0;
int cc_cause = 0;
struct cpvt * cpvt;
request_clcc(pvt);
/*
* parse CEND info in the following format:
* ^CEND:<call_index>,<duration>,<end_status>[,<cc_cause>]
*/
if (sscanf (str, "VOICE CALL: END: %d", &duration) != 1)
{
ast_debug (1, "[%s] Could not parse all CEND parameters\n", PVT_ID(pvt));
return 0;
}
ast_debug (1, "[%s] CEND: call_index %d duration %d end_status %d cc_cause %d Line disconnected\n"
, PVT_ID(pvt), call_index, duration, end_status, cc_cause);
cpvt = pvt_find_cpvt(pvt, 3);
if (cpvt)
{
CPVT_RESET_FLAGS(cpvt, CALL_FLAG_NEED_HANGUP);
PVT_STAT(pvt, calls_duration[cpvt->dir]) += duration;
change_channel_state(cpvt, CALL_STATE_RELEASED, cc_cause);
manager_event_cend(PVT_ID(pvt), 3, duration, end_status, cc_cause);
}
cpvt = pvt_find_cpvt(pvt, 4);
if (cpvt)
{
CPVT_RESET_FLAGS(cpvt, CALL_FLAG_NEED_HANGUP);
PVT_STAT(pvt, calls_duration[cpvt->dir]) += duration;
change_channel_state(cpvt, CALL_STATE_RELEASED, cc_cause);
manager_event_cend(PVT_ID(pvt), 4, duration, end_status, cc_cause);
}
else
{
// ast_log (LOG_ERROR, "[%s] CEND event for unknown call idx '%d'\n", PVT_ID(pvt), call_index);
}
return 0;
}
#endif
/*!
* \brief Handle +CSCA response
* \param pvt -- pvt structure
* \param str -- string containing response (null terminated)
* \param len -- string lenght
* \retval 0 success
* \retval -1 error