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broadband-bearer: reimplement CDMA and 3GPP disconnection logic

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This commit is contained in:
Aleksander Morgado
2012-01-19 15:40:14 +01:00
parent 9ab4ad28ff
commit a33b05cc10
2 changed files with 327 additions and 95 deletions
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398
src/mm-broadband-bearer.c
View File

@@ -1061,8 +1061,7 @@ connect (MMBearer *self,
}
/*****************************************************************************/
/* DISCONNECT (more or less the same for CDMA and 3GPP) */
/* Detailed disconnect context, used in both CDMA and 3GPP sequences */
typedef struct {
MMBroadbandBearer *self;
MMBaseModem *modem;
@@ -1070,73 +1069,67 @@ typedef struct {
MMAtSerialPort *secondary;
MMPort *data;
GSimpleAsyncResult *result;
GError *error;
gboolean cgact_needed;
/* 3GPP-specific */
gchar *cgact_command;
gboolean cgact_sent;
} DisconnectContext;
} DetailedDisconnectContext;
static gboolean
detailed_disconnect_finish (MMBroadbandBearer *self,
GAsyncResult *res,
GError **error)
{
return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error);
}
static void
disconnect_context_complete_and_free (DisconnectContext *ctx)
detailed_disconnect_context_complete_and_free (DetailedDisconnectContext *ctx)
{
if (ctx->error) {
g_simple_async_result_take_error (ctx->result, ctx->error);
} else {
/* If properly disconnected, close the data port */
if (MM_IS_AT_SERIAL_PORT (ctx->data))
mm_serial_port_close (MM_SERIAL_PORT (ctx->data));
/* Port is disconnected; update the state */
mm_port_set_connected (ctx->data, FALSE);
mm_gdbus_bearer_set_connected (MM_GDBUS_BEARER (ctx->self), FALSE);
mm_gdbus_bearer_set_interface (MM_GDBUS_BEARER (ctx->self), NULL);
mm_gdbus_bearer_set_ip4_config (MM_GDBUS_BEARER (ctx->self), NULL);
mm_gdbus_bearer_set_ip6_config (MM_GDBUS_BEARER (ctx->self), NULL);
/* Clear data port and CID */
if (ctx->self->priv->cid)
ctx->self->priv->cid = 0;
g_clear_object (&ctx->self->priv->port);
g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
}
g_simple_async_result_complete_in_idle (ctx->result);
if (ctx->cgact_command)
g_free (ctx->cgact_command);
g_object_unref (ctx->result);
g_object_unref (ctx->data);
g_object_unref (ctx->primary);
if (ctx->secondary)
g_object_unref (ctx->secondary);
g_object_unref (ctx->self);
g_object_unref (ctx->modem);
g_object_unref (ctx->result);
g_free (ctx->cgact_command);
g_free (ctx);
}
static gboolean
disconnect_finish (MMBearer *self,
GAsyncResult *res,
GError **error)
static DetailedDisconnectContext *
detailed_disconnect_context_new (MMBroadbandBearer *self,
MMBroadbandModem *modem,
MMAtSerialPort *primary,
MMAtSerialPort *secondary,
MMPort *data,
GAsyncReadyCallback callback,
gpointer user_data)
{
return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error);
DetailedDisconnectContext *ctx;
ctx = g_new0 (DetailedDisconnectContext, 1);
ctx->self = g_object_ref (self);
ctx->modem = MM_BASE_MODEM (g_object_ref (modem));
ctx->primary = g_object_ref (primary);
ctx->secondary = (secondary ? g_object_ref (secondary) : NULL);
ctx->data = g_object_ref (data);
ctx->result = g_simple_async_result_new (G_OBJECT (self),
callback,
user_data,
detailed_disconnect_context_new);
return ctx;
}
static void
cgact_primary_ready (MMBaseModem *modem,
GAsyncResult *res,
DisconnectContext *ctx)
{
/* Ignore errors for now */
mm_base_modem_at_command_finish (MM_BASE_MODEM (modem), res, NULL);
disconnect_context_complete_and_free (ctx);
}
/*****************************************************************************/
/* CDMA DISCONNECT */
static void
primary_flash_ready (MMSerialPort *port,
GError *error,
DisconnectContext *ctx)
primary_flash_cdma_ready (MMSerialPort *port,
GError *error,
DetailedDisconnectContext *ctx)
{
if (error) {
/* Ignore "NO CARRIER" response when modem disconnects and any flash
@@ -1149,8 +1142,85 @@ primary_flash_ready (MMSerialPort *port,
MM_SERIAL_ERROR,
MM_SERIAL_ERROR_FLASH_FAILED)) {
/* Fatal */
ctx->error = g_error_copy (error);
disconnect_context_complete_and_free (ctx);
g_simple_async_result_set_from_error (ctx->result, error);
detailed_disconnect_context_complete_and_free (ctx);
return;
}
mm_dbg ("Port flashing failed (not fatal): %s", error->message);
}
g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
detailed_disconnect_context_complete_and_free (ctx);
}
static void
disconnect_cdma (MMBroadbandBearer *self,
MMBroadbandModem *modem,
MMAtSerialPort *primary,
MMAtSerialPort *secondary,
MMPort *data,
GAsyncReadyCallback callback,
gpointer user_data)
{
DetailedDisconnectContext *ctx;
ctx = detailed_disconnect_context_new (self,
modem,
primary,
secondary,
data,
callback,
user_data);
/* Just flash the primary port */
mm_serial_port_flash (MM_SERIAL_PORT (ctx->primary),
1000,
TRUE,
(MMSerialFlashFn)primary_flash_cdma_ready,
ctx);
}
/*****************************************************************************/
/* 3GPP DISCONNECT */
static void
cgact_primary_ready (MMBaseModem *modem,
GAsyncResult *res,
DetailedDisconnectContext *ctx)
{
GError *error = NULL;
/* Ignore errors for now */
mm_base_modem_at_command_finish (MM_BASE_MODEM (modem), res, &error);
if (error) {
mm_dbg ("PDP context deactivation failed (not fatal): %s", error->message);
g_error_free (error);
}
g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
detailed_disconnect_context_complete_and_free (ctx);
}
static void
primary_flash_3gpp_ready (MMSerialPort *port,
GError *error,
DetailedDisconnectContext *ctx)
{
if (error) {
/* Ignore "NO CARRIER" response when modem disconnects and any flash
* failures we might encounter. Other errors are hard errors.
*/
if (!g_error_matches (error,
MM_CONNECTION_ERROR,
MM_CONNECTION_ERROR_NO_CARRIER) &&
!g_error_matches (error,
MM_SERIAL_ERROR,
MM_SERIAL_ERROR_FLASH_FAILED)) {
/* Fatal */
g_simple_async_result_set_from_error (ctx->result, error);
detailed_disconnect_context_complete_and_free (ctx);
return;
}
@@ -1159,12 +1229,19 @@ primary_flash_ready (MMSerialPort *port,
/* Don't bother doing the CGACT again if it was done on a secondary port
* or if not needed */
if (!ctx->cgact_needed ||
!ctx->cgact_sent) {
disconnect_context_complete_and_free (ctx);
if (ctx->cgact_sent) {
g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
detailed_disconnect_context_complete_and_free (ctx);
return;
}
/* We don't want to try to send CGACT to the still connected port, so
* if the primary AT port is actually the data port, set it as
* disconnected here already. */
if ((gpointer)ctx->primary == (gpointer)ctx->data)
/* Port is disconnected; update the state */
mm_port_set_connected (ctx->data, FALSE);
mm_base_modem_at_command_in_port (
ctx->modem,
ctx->primary,
@@ -1179,7 +1256,7 @@ primary_flash_ready (MMSerialPort *port,
static void
cgact_secondary_ready (MMBaseModem *modem,
GAsyncResult *res,
DisconnectContext *ctx)
DetailedDisconnectContext *ctx)
{
GError *error = NULL;
@@ -1192,17 +1269,155 @@ cgact_secondary_ready (MMBaseModem *modem,
mm_serial_port_flash (MM_SERIAL_PORT (ctx->primary),
1000,
TRUE,
(MMSerialFlashFn)primary_flash_ready,
(MMSerialFlashFn)primary_flash_3gpp_ready,
ctx);
}
static void
disconnect_3gpp (MMBroadbandBearer *self,
MMBroadbandModem *modem,
MMAtSerialPort *primary,
MMAtSerialPort *secondary,
MMPort *data,
GAsyncReadyCallback callback,
gpointer user_data)
{
DetailedDisconnectContext *ctx;
ctx = detailed_disconnect_context_new (self,
modem,
primary,
secondary,
data,
callback,
user_data);
/* If no specific CID was used, disable all PDP contexts */
ctx->cgact_command =
(MM_BROADBAND_BEARER (self)->priv->cid >= 0 ?
g_strdup_printf ("+CGACT=0,%d", MM_BROADBAND_BEARER (self)->priv->cid) :
g_strdup_printf ("+CGACT=0"));
/* If the primary port is connected (with PPP) then try sending the PDP
* context deactivation on the secondary port because not all modems will
* respond to flashing (since either the modem or the kernel's serial
* driver doesn't support it).
*/
if (ctx->secondary &&
mm_port_get_connected (MM_PORT (ctx->primary))) {
mm_base_modem_at_command_in_port (
ctx->modem,
ctx->secondary,
ctx->cgact_command,
3,
FALSE,
NULL, /* cancellable */
(GAsyncReadyCallback)cgact_secondary_ready,
ctx);
return;
}
/* If no secondary port, go on to flash the primary port */
mm_serial_port_flash (MM_SERIAL_PORT (ctx->primary),
1000,
TRUE,
(MMSerialFlashFn)primary_flash_3gpp_ready,
ctx);
}
/*****************************************************************************/
/* DISCONNECT */
typedef struct {
MMBroadbandBearer *self;
GSimpleAsyncResult *result;
MMPort *data;
} DisconnectContext;
static void
disconnect_context_complete_and_free (DisconnectContext *ctx)
{
g_simple_async_result_complete_in_idle (ctx->result);
g_object_unref (ctx->result);
g_object_unref (ctx->data);
g_object_unref (ctx->self);
g_free (ctx);
}
static gboolean
disconnect_finish (MMBearer *self,
GAsyncResult *res,
GError **error)
{
return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error);
}
static void
disconnect_succeeded (DisconnectContext *ctx)
{
/* If properly disconnected, close the data port */
if (MM_IS_AT_SERIAL_PORT (ctx->data))
mm_serial_port_close (MM_SERIAL_PORT (ctx->data));
/* Port is disconnected; update the state. Note: implementations may
* already have set the port as disconnected (e.g the 3GPP one) */
mm_port_set_connected (ctx->data, FALSE);
/* Clear data port and CID (if any) */
if (ctx->self->priv->cid)
ctx->self->priv->cid = 0;
g_clear_object (&ctx->self->priv->port);
/* Set operation result */
g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
disconnect_context_complete_and_free (ctx);
}
static void
disconnect_failed (DisconnectContext *ctx,
GError *error)
{
g_simple_async_result_take_error (ctx->result, error);
disconnect_context_complete_and_free (ctx);
}
static void
disconnect_cdma_ready (MMBroadbandBearer *self,
GAsyncResult *res,
DisconnectContext *ctx)
{
GError *error = NULL;
if (!MM_BROADBAND_BEARER_GET_CLASS (self)->disconnect_cdma_finish (self,
res,
&error))
disconnect_failed (ctx, error);
else
disconnect_succeeded (ctx);
}
static void
disconnect_3gpp_ready (MMBroadbandBearer *self,
GAsyncResult *res,
DisconnectContext *ctx)
{
GError *error = NULL;
if (!MM_BROADBAND_BEARER_GET_CLASS (self)->disconnect_3gpp_finish (self,
res,
&error))
disconnect_failed (ctx, error);
else
disconnect_succeeded (ctx);
}
static void
disconnect (MMBearer *self,
GAsyncReadyCallback callback,
gpointer user_data)
{
DisconnectContext *ctx;
MMBaseModem *modem = NULL;
DisconnectContext *ctx;
if (!MM_BROADBAND_BEARER (self)->priv->port) {
g_simple_async_report_error_in_idle (
@@ -1220,55 +1435,43 @@ disconnect (MMBearer *self,
NULL);
g_assert (modem != NULL);
/* In this context, we only keep the stuff we'll need later */
ctx = g_new0 (DisconnectContext, 1);
ctx->data = g_object_ref (MM_BROADBAND_BEARER (self)->priv->port);
ctx->primary = g_object_ref (mm_base_modem_get_port_primary (modem));
ctx->secondary = mm_base_modem_get_port_secondary (modem);
if (ctx->secondary)
g_object_ref (ctx->secondary);
ctx->self = g_object_ref (self);
ctx->modem = modem;
ctx->data = g_object_ref (MM_BROADBAND_BEARER (self)->priv->port);
ctx->result = g_simple_async_result_new (G_OBJECT (self),
callback,
user_data,
disconnect);
/* If the modem has 3GPP capabilities, send CGACT to disable contexts */
if (mm_iface_modem_is_3gpp (MM_IFACE_MODEM (modem))) {
ctx->cgact_needed = TRUE;
/* If no specific CID was used, disable all PDP contexts */
ctx->cgact_command =
(MM_BROADBAND_BEARER (self)->priv->cid >= 0 ?
g_strdup_printf ("+CGACT=0,%d", MM_BROADBAND_BEARER (self)->priv->cid) :
g_strdup_printf ("+CGACT=0"));
/* If the primary port is connected (with PPP) then try sending the PDP
* context deactivation on the secondary port because not all modems will
* respond to flashing (since either the modem or the kernel's serial
* driver doesn't support it).
*/
if (ctx->secondary &&
mm_port_get_connected (MM_PORT (ctx->primary))) {
mm_base_modem_at_command_in_port (
ctx->modem,
ctx->secondary,
ctx->cgact_command,
3,
FALSE,
NULL, /* cancellable */
(GAsyncReadyCallback)cgact_secondary_ready,
switch (MM_BROADBAND_BEARER (self)->priv->connection_type) {
case CONNECTION_TYPE_3GPP:
MM_BROADBAND_BEARER_GET_CLASS (self)->disconnect_3gpp (
MM_BROADBAND_BEARER (self),
MM_BROADBAND_MODEM (modem),
mm_base_modem_get_port_primary (modem),
mm_base_modem_get_port_secondary (modem),
MM_BROADBAND_BEARER (self)->priv->port,
(GAsyncReadyCallback) disconnect_3gpp_ready,
ctx);
return;
}
break;
case CONNECTION_TYPE_CDMA:
MM_BROADBAND_BEARER_GET_CLASS (self)->disconnect_cdma (
MM_BROADBAND_BEARER (self),
MM_BROADBAND_MODEM (modem),
mm_base_modem_get_port_primary (modem),
mm_base_modem_get_port_secondary (modem),
MM_BROADBAND_BEARER (self)->priv->port,
(GAsyncReadyCallback) disconnect_cdma_ready,
ctx);
break;
case CONNECTION_TYPE_NONE:
g_assert_not_reached ();
}
/* If CGACT not needed, or if no secondary port, go on to flash the primary port */
mm_serial_port_flash (MM_SERIAL_PORT (ctx->primary),
1000,
TRUE,
(MMSerialFlashFn)primary_flash_ready,
ctx);
g_object_unref (modem);
}
/*****************************************************************************/
@@ -1725,6 +1928,11 @@ mm_broadband_bearer_class_init (MMBroadbandBearerClass *klass)
klass->connect_cdma = connect_cdma;
klass->connect_cdma_finish = detailed_connect_finish;
klass->disconnect_3gpp = disconnect_3gpp;
klass->disconnect_3gpp_finish = detailed_disconnect_finish;
klass->disconnect_cdma = disconnect_cdma;
klass->disconnect_cdma_finish = detailed_disconnect_finish;
properties[PROP_3GPP_APN] =
g_param_spec_string (MM_BROADBAND_BEARER_3GPP_APN,
"3GPP APN",

24
src/mm-broadband-bearer.h
View File

@@ -66,6 +66,18 @@ struct _MMBroadbandBearerClass {
MMCommonBearerIpConfig **ipv6_config,
GError **error);
/* Full 3GPP disconnection sequence */
void (* disconnect_3gpp) (MMBroadbandBearer *self,
MMBroadbandModem *modem,
MMAtSerialPort *primary,
MMAtSerialPort *secondary,
MMPort *data,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean (* disconnect_3gpp_finish) (MMBroadbandBearer *self,
GAsyncResult *res,
GError **error);
/* Full CDMA connection sequence */
void (* connect_cdma) (MMBroadbandBearer *self,
MMBroadbandModem *modem,
@@ -80,6 +92,18 @@ struct _MMBroadbandBearerClass {
MMCommonBearerIpConfig **ipv4_config,
MMCommonBearerIpConfig **ipv6_config,
GError **error);
/* Full CDMA disconnection sequence */
void (* disconnect_cdma) (MMBroadbandBearer *self,
MMBroadbandModem *modem,
MMAtSerialPort *primary,
MMAtSerialPort *secondary,
MMPort *data,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean (* disconnect_cdma_finish) (MMBroadbandBearer *self,
GAsyncResult *res,
GError **error);
};
GType mm_broadband_bearer_get_type (void);