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gsm: let generic class handle signal quality caching and updates

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This commit is contained in:
Dan Williams
2010-03-09 21:31:57 -08:00
parent 07fc116d5a
commit 38514db896
4 changed files with 121 additions and 60 deletions
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39
plugins/mm-modem-huawei-gsm.c
View File

@@ -40,7 +40,6 @@ G_DEFINE_TYPE_EXTENDED (MMModemHuaweiGsm, mm_modem_huawei_gsm, MM_TYPE_GENERIC_G
typedef struct {
/* Cached state */
guint signal_quality;
MMModemGsmBand band;
} MMModemHuaweiGsmPrivate;
@@ -369,29 +368,6 @@ get_band (MMModemGsmNetwork *modem,
}
}
static void
get_signal_quality (MMModemGsmNetwork *modem,
MMModemUIntFn callback,
gpointer user_data)
{
MMModemHuaweiGsmPrivate *priv = MM_MODEM_HUAWEI_GSM_GET_PRIVATE (modem);
if (priv->signal_quality) {
/* have cached signal quality (from an unsolicited message). Use that */
MMCallbackInfo *info;
info = mm_callback_info_uint_new (MM_MODEM (modem), callback, user_data);
mm_callback_info_set_result (info, GUINT_TO_POINTER (priv->signal_quality), NULL);
mm_callback_info_schedule (info);
} else {
/* Use the generic implementation */
MMModemGsmNetwork *parent_gsm_network_iface;
parent_gsm_network_iface = g_type_interface_peek_parent (MM_MODEM_GSM_NETWORK_GET_INTERFACE (modem));
parent_gsm_network_iface->get_signal_quality (modem, callback, user_data);
}
}
/* Unsolicited message handlers */
static void
@@ -400,24 +376,22 @@ handle_signal_quality_change (MMSerialPort *port,
gpointer user_data)
{
MMModemHuaweiGsm *self = MM_MODEM_HUAWEI_GSM (user_data);
MMModemHuaweiGsmPrivate *priv = MM_MODEM_HUAWEI_GSM_GET_PRIVATE (self);
char *str;
int quality;
int quality = 0;
str = g_match_info_fetch (match_info, 1);
quality = atoi (str);
g_free (str);
if (quality == 99)
if (quality == 99) {
/* 99 means unknown */
quality = 0;
else
} else {
/* Normalize the quality */
quality = quality * 100 / 31;
quality = CLAMP (quality, 0, 31) * 100 / 31;
}
g_debug ("Signal quality: %d", quality);
priv->signal_quality = (guint32) quality;
mm_modem_gsm_network_signal_quality (MM_MODEM_GSM_NETWORK (self), (guint32) quality);
mm_generic_gsm_update_signal_quality (MM_GENERIC_GSM (self), (guint32) quality);
}
static void
@@ -568,7 +542,6 @@ modem_gsm_network_init (MMModemGsmNetwork *class)
{
class->set_band = set_band;
class->get_band = get_band;
class->get_signal_quality = get_signal_quality;
}
static void

14
plugins/mm-modem-mbm.c
View File

@@ -561,7 +561,7 @@ mbm_ciev_received (MMSerialPort *port,
str = g_match_info_fetch (info, 2);
if (str) {
quality = atoi (str);
mm_modem_gsm_network_signal_quality (MM_MODEM_GSM_NETWORK (user_data), quality * 20);
mm_generic_gsm_update_signal_quality (MM_GENERIC_GSM (user_data), quality * 20);
}
}
}
@@ -790,17 +790,19 @@ grab_port (MMModem *modem,
}
port = mm_generic_gsm_grab_port (gsm, subsys, name, ptype, error);
if (port && MM_IS_SERIAL_PORT (port) && (ptype == MM_PORT_TYPE_PRIMARY)) {
if (port && MM_IS_SERIAL_PORT (port)) {
GRegex *regex;
if (ptype == MM_PORT_TYPE_PRIMARY) {
regex = g_regex_new ("\\r\\n\\*E2NAP: (\\d)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_serial_port_add_unsolicited_msg_handler (MM_SERIAL_PORT (port), regex, mbm_e2nap_received, modem, NULL);
g_regex_unref (regex);
}
regex = g_regex_new ("\\r\\n\\*EMRDY: \\d\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_serial_port_add_unsolicited_msg_handler (MM_SERIAL_PORT (port), regex, mbm_emrdy_received, modem, NULL);
g_regex_unref (regex);
regex = g_regex_new ("\\r\\n\\*E2NAP: (\\d)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_serial_port_add_unsolicited_msg_handler (MM_SERIAL_PORT (port), regex, mbm_e2nap_received, modem, NULL);
g_regex_unref (regex);
regex = g_regex_new ("\\r\\n\\+PACSP(\\d)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_serial_port_add_unsolicited_msg_handler (MM_SERIAL_PORT (port), regex, mbm_pacsp_received, modem, NULL);
g_regex_unref (regex);

119
src/mm-generic-gsm.c
View File

@@ -78,6 +78,8 @@ typedef struct {
guint pending_reg_id;
MMCallbackInfo *pending_reg_info;
guint signal_quality_id;
time_t signal_quality_timestamp;
guint32 signal_quality;
guint32 cid;
@@ -144,14 +146,6 @@ mm_generic_gsm_get_cid (MMGenericGsm *modem)
return MM_GENERIC_GSM_GET_PRIVATE (modem)->cid;
}
static void
got_signal_quality (MMModem *modem,
guint32 result,
GError *error,
gpointer user_data)
{
}
typedef struct {
const char *result;
const char *normalized;
@@ -905,6 +899,11 @@ disable (MMModem *modem,
priv->poll_id = 0;
}
if (priv->signal_quality_id) {
g_source_remove (priv->signal_quality_id);
priv->signal_quality_id = 0;
}
priv->lac[0] = 0;
priv->lac[1] = 0;
priv->cell_id[0] = 0;
@@ -1361,6 +1360,15 @@ mm_generic_gsm_pending_registration_stop (MMGenericGsm *modem)
}
}
static void
got_signal_quality (MMModem *modem,
guint32 quality,
GError *error,
gpointer user_data)
{
mm_generic_gsm_update_signal_quality (MM_GENERIC_GSM (modem), quality);
}
void
mm_generic_gsm_set_reg_status (MMGenericGsm *modem,
MMModemGsmNetworkRegStatus status)
@@ -2138,26 +2146,91 @@ set_apn (MMModemGsmNetwork *modem,
/* GetSignalQuality */
static gboolean
emit_signal_quality_change (gpointer user_data)
{
MMGenericGsm *self = MM_GENERIC_GSM (user_data);
MMGenericGsmPrivate *priv = MM_GENERIC_GSM_GET_PRIVATE (self);
priv->signal_quality_id = 0;
priv->signal_quality_timestamp = time (NULL);
mm_modem_gsm_network_signal_quality (MM_MODEM_GSM_NETWORK (self), priv->signal_quality);
return FALSE;
}
void
mm_generic_gsm_update_signal_quality (MMGenericGsm *self, guint32 quality)
{
MMGenericGsmPrivate *priv;
guint delay = 0;
g_return_if_fail (self != NULL);
g_return_if_fail (MM_IS_GENERIC_GSM (self));
g_return_if_fail (quality <= 100);
priv = MM_GENERIC_GSM_GET_PRIVATE (self);
if (priv->signal_quality == quality)
return;
priv->signal_quality = quality;
/* Some modems will send unsolcited signal quality changes quite often,
* so rate-limit them to every few seconds. Track the last time we
* emitted signal quality so that we send the signal immediately if there
* haven't been any updates in a while.
*/
if (!priv->signal_quality_id) {
if (priv->signal_quality_timestamp > 0) {
time_t curtime;
long int diff;
curtime = time (NULL);
diff = curtime - priv->signal_quality_timestamp;
if (diff == 0) {
/* If the device is sending more than one update per second,
* make sure we don't spam clients with signals.
*/
delay = 3;
} else if ((diff > 0) && (diff <= 3)) {
/* Emitted an update less than 3 seconds ago; schedule an update
* 3 seconds after the previous one.
*/
delay = (guint) diff;
} else {
/* Otherwise, we haven't emitted an update in the last 3 seconds,
* or the user turned their clock back, or something like that.
*/
delay = 0;
}
}
priv->signal_quality_id = g_timeout_add_seconds (delay,
emit_signal_quality_change,
self);
}
}
static void
get_signal_quality_done (MMSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMGenericGsmPrivate *priv;
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
char *reply = response->str;
gboolean parsed = FALSE;
if (error)
info->error = g_error_copy (error);
else if (!strncmp (reply, "+CSQ: ", 6)) {
info->error = mm_modem_check_removed (info->modem, error);
if (info->error)
goto done;
if (!strncmp (reply, "+CSQ: ", 6)) {
/* Got valid reply */
int quality;
int ber;
reply += 6;
if (sscanf (reply, "%d, %d", &quality, &ber)) {
if (sscanf (reply + 6, "%d, %d", &quality, &ber)) {
/* 99 means unknown */
if (quality == 99) {
info->error = g_error_new_literal (MM_MOBILE_ERROR,
@@ -2167,15 +2240,19 @@ get_signal_quality_done (MMSerialPort *port,
/* Normalize the quality */
quality = CLAMP (quality, 0, 31) * 100 / 31;
priv = MM_GENERIC_GSM_GET_PRIVATE (info->modem);
priv->signal_quality = quality;
mm_generic_gsm_update_signal_quality (MM_GENERIC_GSM (info->modem), quality);
mm_callback_info_set_result (info, GUINT_TO_POINTER (quality), NULL);
}
} else
parsed = TRUE;
}
}
if (!parsed && !info->error) {
info->error = g_error_new_literal (MM_MODEM_ERROR, MM_MODEM_ERROR_GENERAL,
"Could not parse signal quality results");
}
done:
mm_callback_info_schedule (info);
}
@@ -2190,7 +2267,6 @@ get_signal_quality (MMModemGsmNetwork *modem,
connected = mm_port_get_connected (MM_PORT (priv->primary));
if (connected && !priv->secondary) {
g_message ("Returning saved signal quality %d", priv->signal_quality);
callback (MM_MODEM (modem), priv->signal_quality, NULL, user_data);
return;
}
@@ -2824,6 +2900,11 @@ finalize (GObject *object)
priv->poll_id = 0;
}
if (priv->signal_quality_id) {
g_source_remove (priv->signal_quality_id);
priv->signal_quality_id = 0;
}
mm_gsm_creg_regex_destroy (priv->reg_regex);
g_free (priv->oper_code);

5
src/mm-generic-gsm.h
View File

@@ -133,6 +133,11 @@ void mm_generic_gsm_update_allowed_mode (MMGenericGsm *modem,
void mm_generic_gsm_update_access_technology (MMGenericGsm *modem,
MMModemGsmAccessTech act);
/* Called to asynchronously update the current signal quality of the device;
* 'quality' is a 0 - 100% quality.
*/
void mm_generic_gsm_update_signal_quality (MMGenericGsm *modem, guint32 quality);
void mm_generic_gsm_check_pin (MMGenericGsm *modem,
MMModemFn callback,
gpointer user_data);