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bluez5: backend-native: Add AT+VTS support

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This allows to send a DTMF key on an active call.
This commit is contained in:
Frédéric Danis 2022-09-16 15:46:34 +02:00 • committed by Wim Taymans
parent 7c05574072
commit a37aeac273
3 changed files with 83 additions and 0 deletions
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15
spa/plugins/bluez5/backend-native.c
View file

@ -1119,6 +1119,21 @@ next_indicator:
rfcomm_send_error(rfcomm, error);
return true;
}
} else if (spa_strstartswith(buf, "AT+VTS=")) {
char *dtmf;
enum cmee_error error;
dtmf = calloc(1, 2);
if (sscanf(buf, "AT+VTS=%1s", dtmf) != 1) {
spa_log_debug(backend->log, "Failed to parse AT+VTS: \"%s\"", buf);
rfcomm_send_error(rfcomm, CMEE_AG_FAILURE);
return true;
}
if (!mm_send_dtmf(backend->modemmanager, dtmf, rfcomm, &error)) {
rfcomm_send_error(rfcomm, error);
return true;
}
} else {
return false;
}

60
spa/plugins/bluez5/modemmanager.c
View file

@ -1040,6 +1040,66 @@ bool mm_do_call(void *modemmanager, const char* number, void *user_data, enum cm
return true;
}
bool mm_send_dtmf(void *modemmanager, const char *dtmf, void *user_data, enum cmee_error *error)
{
struct impl *this = modemmanager;
struct call *call_object, *call_tmp;
struct dbus_cmd_data *data;
DBusMessage *m;
call_object = NULL;
spa_list_for_each(call_tmp, &this->call_list, link) {
if (call_tmp->state == CLCC_ACTIVE) {
call_object = call_tmp;
break;
}
}
if (!call_object) {
spa_log_debug(this->log, "No active call");
if (error)
*error = CMEE_OPERATION_NOT_ALLOWED;
return false;
}
/* Allowed dtmf characters: 0-9, *, #, A-D */
if (!((dtmf[0] >= '0' && dtmf[0] <= '9')
|| (dtmf[0] == '*')
|| (dtmf[0] == '#')
|| (dtmf[0] >= 'A' && dtmf[0] <= 'D'))) {
spa_log_debug(this->log, "Invalid DTMF character: %s", dtmf);
if (error)
*error = CMEE_INVALID_CHARACTERS_TEXT_STRING;
return false;
}
data = malloc(sizeof(struct dbus_cmd_data));
if (!data) {
if (error)
*error = CMEE_AG_FAILURE;
return false;
}
data->this = this;
data->call = call_object;
data->user_data = user_data;
m = dbus_message_new_method_call(MM_DBUS_SERVICE, call_object->path, MM_DBUS_INTERFACE_CALL, MM_CALL_METHOD_SENDDTMF);
if (m == NULL) {
if (error)
*error = CMEE_AG_FAILURE;
return false;
}
dbus_message_append_args(m, DBUS_TYPE_STRING, &dtmf, DBUS_TYPE_INVALID);
if (!mm_dbus_connection_send_with_reply(this, m, &call_object->pending, mm_get_call_simple_reply, data)) {
spa_log_error(this->log, "dbus call failure");
dbus_message_unref(m);
if (error)
*error = CMEE_AG_FAILURE;
return false;
}
return true;
}
const char *mm_get_incoming_call_number(void *modemmanager)
{
struct impl *this = modemmanager;

8
spa/plugins/bluez5/modemmanager.h
View file

@ -94,6 +94,7 @@ unsigned int mm_supported_features();
bool mm_answer_call(void *modemmanager, void *user_data, enum cmee_error *error);
bool mm_hangup_call(void *modemmanager, void *user_data, enum cmee_error *error);
bool mm_do_call(void *modemmanager, const char* number, void *user_data, enum cmee_error *error);
bool mm_send_dtmf(void *modemmanager, const char *dtmf, void *user_data, enum cmee_error *error);
const char *mm_get_incoming_call_number(void *modemmanager);
struct spa_list *mm_get_calls(void *modemmanager);
#else
@ -137,6 +138,13 @@ bool mm_do_call(void *modemmanager, const char* number, void *user_data, enum cm
return false;
}
bool mm_send_dtmf(void *modemmanager, const char *dtmf, void *user_data, enum cmee_error *error)
{
if (error)
*error = CMEE_OPERATION_NOT_SUPPORTED;
return false;
}
const char *mm_get_incoming_call_number(void *modemmanager)
{
return NULL;