diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mm-iface-modem-messaging.c | 82 | ||||
| -rw-r--r-- | src/mm-iface-modem-messaging.h | 8 |
2 files changed, 90 insertions, 0 deletions
diff --git a/src/mm-iface-modem-messaging.c b/src/mm-iface-modem-messaging.c index 8c94e7e8..d5aa01bb 100644 --- a/src/mm-iface-modem-messaging.c +++ b/src/mm-iface-modem-messaging.c @@ -20,6 +20,12 @@ #include "mm-iface-modem-messaging.h" #include "mm-log.h" +#define SUPPORT_CHECKED_TAG "messaging-support-checked-tag" +#define SUPPORTED_TAG "messaging-supported-tag" + +static GQuark support_checked_quark; +static GQuark supported_quark; + /*****************************************************************************/ void @@ -211,6 +217,8 @@ static void interface_initialization_step (InitializationContext *ctx); typedef enum { INITIALIZATION_STEP_FIRST, + INITIALIZATION_STEP_CHECK_SUPPORT, + INITIALIZATION_STEP_FAIL_IF_UNSUPPORTED, INITIALIZATION_STEP_LAST } InitializationStep; @@ -257,13 +265,87 @@ initialization_context_complete_and_free (InitializationContext *ctx) } static void +check_support_ready (MMIfaceModemMessaging *self, + GAsyncResult *res, + InitializationContext *ctx) +{ + GError *error = NULL; + + if (!MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (self)->check_support_finish (self, + res, + &error)) { + if (error) { + /* This error shouldn't be treated as critical */ + mm_dbg ("Messaging support check failed: '%s'", error->message); + g_error_free (error); + } + } else { + /* Messaging is supported! */ + g_object_set_qdata (G_OBJECT (self), + supported_quark, + GUINT_TO_POINTER (TRUE)); + } + + /* Go on to next step */ + ctx->step++; + interface_initialization_step (ctx); +} + +static void interface_initialization_step (InitializationContext *ctx) { switch (ctx->step) { case INITIALIZATION_STEP_FIRST: + /* Setup quarks if we didn't do it before */ + if (G_UNLIKELY (!support_checked_quark)) + support_checked_quark = (g_quark_from_static_string ( + SUPPORT_CHECKED_TAG)); + if (G_UNLIKELY (!supported_quark)) + supported_quark = (g_quark_from_static_string ( + SUPPORTED_TAG)); + /* Fall down to next step */ ctx->step++; + case INITIALIZATION_STEP_CHECK_SUPPORT: + if (!GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (ctx->self), + support_checked_quark))) { + /* Set the checked flag so that we don't run it again */ + g_object_set_qdata (G_OBJECT (ctx->self), + support_checked_quark, + GUINT_TO_POINTER (TRUE)); + /* Initially, assume we don't support it */ + g_object_set_qdata (G_OBJECT (ctx->self), + supported_quark, + GUINT_TO_POINTER (FALSE)); + + if (MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (ctx->self)->check_support && + MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (ctx->self)->check_support_finish) { + MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (ctx->self)->check_support ( + ctx->self, + (GAsyncReadyCallback)check_support_ready, + ctx); + return; + } + + /* If there is no implementation to check support, assume we DON'T + * support it. */ + } + + /* Fall down to next step */ + ctx->step++; + + case INITIALIZATION_STEP_FAIL_IF_UNSUPPORTED: + if (!GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (ctx->self), + supported_quark))) { + g_simple_async_result_set_error (ctx->result, + MM_CORE_ERROR, + MM_CORE_ERROR_UNSUPPORTED, + "Messaging not supported"); + initialization_context_complete_and_free (ctx); + return; + } + case INITIALIZATION_STEP_LAST: /* We are done without errors! */ diff --git a/src/mm-iface-modem-messaging.h b/src/mm-iface-modem-messaging.h index 7dbb8a2c..95527778 100644 --- a/src/mm-iface-modem-messaging.h +++ b/src/mm-iface-modem-messaging.h @@ -32,6 +32,14 @@ typedef struct _MMIfaceModemMessaging MMIfaceModemMessaging; struct _MMIfaceModemMessaging { GTypeInterface g_iface; + + /* Check for Messaging support (async) */ + void (* check_support) (MMIfaceModemMessaging *self, + GAsyncReadyCallback callback, + gpointer user_data); + gboolean (*check_support_finish) (MMIfaceModemMessaging *self, + GAsyncResult *res, + GError **error); }; GType mm_iface_modem_messaging_get_type (void); |