Files
ModemManager/plugins/simtech/mm-modem-helpers-simtech.c
2020-04-08 16:35:10 +02:00

210 lines
6.0 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details:
*
* Copyright (C) 2019 Aleksander Morgado <aleksander@aleksander.es>
*/
#include <config.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "ModemManager.h"
#define _LIBMM_INSIDE_MM
#include <libmm-glib.h>
#include "mm-errors-types.h"
#include "mm-modem-helpers-simtech.h"
#include "mm-modem-helpers.h"
/*****************************************************************************/
/* +CLCC test parser
*
* Example (SIM7600E):
* AT+CLCC=?
* +CLCC: (0-1)
*/
gboolean
mm_simtech_parse_clcc_test (const gchar *response,
gboolean *clcc_urcs_supported,
GError **error)
{
g_assert (response);
response = mm_strip_tag (response, "+CLCC:");
/* 3GPP specifies that the output of AT+CLCC=? should be just OK, so support
* that */
if (!response[0]) {
*clcc_urcs_supported = FALSE;
return TRUE;
}
/* As per 3GPP TS 27.007, the AT+CLCC command doesn't expect any argument,
* as it only is designed to report the current call list, nothing else.
* In the case of the Simtech plugin, though, we are going to support +CLCC
* URCs that can be enabled/disabled via AT+CLCC=1/0. We therefore need to
* detect whether this URC management is possible or not, for now with a
* simple check looking for the specific "(0-1)" string.
*/
if (!strncmp (response, "(0-1)", 5)) {
*clcc_urcs_supported = TRUE;
return TRUE;
}
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"unexpected +CLCC test response: '%s'", response);
return FALSE;
}
/*****************************************************************************/
GRegex *
mm_simtech_get_clcc_urc_regex (void)
{
return g_regex_new ("\\r\\n(\\+CLCC: .*\\r\\n)+",
G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
}
gboolean
mm_simtech_parse_clcc_list (const gchar *str,
gpointer log_object,
GList **out_list,
GError **error)
{
/* Parse the URC contents as a plain +CLCC response, but make sure to skip first
* EOL in the string because the plain +CLCC response would never have that.
*/
return mm_3gpp_parse_clcc_response (mm_strip_tag (str, "\r\n"), log_object, out_list, error);
}
void
mm_simtech_call_info_list_free (GList *call_info_list)
{
mm_3gpp_call_info_list_free (call_info_list);
}
/*****************************************************************************/
/*
* <CR><LF>VOICE CALL: BEGIN<CR><LF>
* <CR><LF>VOICE CALL: END: 000041<CR><LF>
*/
GRegex *
mm_simtech_get_voice_call_urc_regex (void)
{
return g_regex_new ("\\r\\nVOICE CALL:\\s*([A-Z]+)(?::\\s*(\\d+))?\\r\\n",
G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
}
gboolean
mm_simtech_parse_voice_call_urc (GMatchInfo *match_info,
gboolean *start_or_stop,
guint *duration,
GError **error)
{
GError *inner_error = NULL;
gchar *str;
str = mm_get_string_unquoted_from_match_info (match_info, 1);
if (!str) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Couldn't read voice call URC action");
goto out;
}
if (g_strcmp0 (str, "BEGIN") == 0) {
*start_or_stop = TRUE;
*duration = 0;
goto out;
}
if (g_strcmp0 (str, "END") == 0) {
*start_or_stop = FALSE;
if (!mm_get_uint_from_match_info (match_info, 2, duration))
*duration = 0;
goto out;
}
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Unknown voice call URC action: %s", str);
out:
g_free (str);
if (inner_error) {
g_propagate_error (error, inner_error);
return FALSE;
}
return TRUE;
}
/*****************************************************************************/
/*
* <CR><LF>MISSED_CALL: 11:01AM 07712345678<CR><LF>
*/
GRegex *
mm_simtech_get_missed_call_urc_regex (void)
{
return g_regex_new ("\\r\\nMISSED_CALL:\\s*(.+)\\r\\n",
G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
}
gboolean
mm_simtech_parse_missed_call_urc (GMatchInfo *match_info,
gchar **details,
GError **error)
{
gchar *str;
str = mm_get_string_unquoted_from_match_info (match_info, 1);
if (!str) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Couldn't read missed call URC details");
return FALSE;
}
*details = str;
return TRUE;
}
/*****************************************************************************/
/*
* Using TWO <CR> instead of one...
* <CR><CR><LF>+CRING: VOICE<CR><CR><LF>
*/
GRegex *
mm_simtech_get_cring_urc_regex (void)
{
return g_regex_new ("(?:\\r)+\\n\\+CRING:\\s*(\\S+)(?:\\r)+\\n",
G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
}
/*****************************************************************************/
/*
* <CR><CR><LF>+RXDTMF: 8<CR><CR><LF>
* <CR><CR><LF>+RXDTMF: *<CR><CR><LF>
* <CR><CR><LF>+RXDTMF: 7<CR><CR><LF>
*
* Note! using TWO <CR> instead of one...
*/
GRegex *
mm_simtech_get_rxdtmf_urc_regex (void)
{
return g_regex_new ("(?:\\r)+\\n\\+RXDTMF:\\s*([0-9A-D\\*\\#])(?:\\r)+\\n",
G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
}