コード例 #1
0
ファイル: mm-port-probe.c プロジェクト: telemaco/ModemManager
void
mm_port_probe_run (MMPortProbe *self,
                   MMPortProbeFlag flags,
                   guint64 at_send_delay,
                   const MMPortProbeAtCommand *at_custom_init,
                   GAsyncReadyCallback callback,
                   gpointer user_data)
{
    PortProbeRunTask *task;
    guint32 i;
    gchar *probe_list_str;

    g_return_if_fail (MM_IS_PORT_PROBE (self));
    g_return_if_fail (flags != MM_PORT_PROBE_NONE);
    g_return_if_fail (callback != NULL);

    /* Shouldn't schedule more than one probing at a time */
    g_assert (self->priv->task == NULL);

    task = g_new0 (PortProbeRunTask, 1);
    task->at_send_delay = at_send_delay;
    task->flags = MM_PORT_PROBE_NONE;
    task->at_custom_init = at_custom_init;
    task->result = g_simple_async_result_new (G_OBJECT (self),
                                              callback,
                                              user_data,
                                              mm_port_probe_run);

    /* Check if we already have the requested probing results.
     * We will fix here the 'task->flags' so that we only request probing
     * for the missing things. */
    for (i = MM_PORT_PROBE_AT; i <= MM_PORT_PROBE_QCDM; i = (i << 1)) {
        if ((flags & i) && !(self->priv->flags & i)) {
            task->flags += i;
        }
    }

    /* Store as current task. We need to keep it internally, as it will be
     * freed during _finish() when the operation is completed. */
    self->priv->task = task;

    /* All requested probings already available? If so, we're done */
    if (!task->flags) {
        port_probe_run_task_complete (task, TRUE, NULL);
        return;
    }

    /* Setup internal cancellable */
    task->cancellable = g_cancellable_new ();

    probe_list_str = mm_port_probe_flag_build_string_from_mask (task->flags);
    mm_info ("(%s) launching port probing: '%s'",
             self->priv->name,
             probe_list_str);
    g_free (probe_list_str);

    /* If any AT probing is needed, start by opening as AT port */
    if (task->flags & MM_PORT_PROBE_AT ||
        task->flags & MM_PORT_PROBE_AT_VENDOR ||
        task->flags & MM_PORT_PROBE_AT_PRODUCT) {
        task->at_probing_cancellable = g_cancellable_new ();
        task->source_id = g_idle_add ((GSourceFunc)serial_open_at, self);
        return;
    }

    /* Otherwise, start by opening as QCDM port */
    if (task->flags & MM_PORT_PROBE_QCDM) {
        task->source_id = g_idle_add ((GSourceFunc)serial_probe_qcdm, self);
        return;
    }

    /* Shouldn't happen */
    g_assert_not_reached ();
}
コード例 #2
0
ファイル: mm-plugin.c プロジェクト: Stari4oK/ModemManager
void
mm_plugin_supports_port (MMPlugin *self,
                         MMDevice *device,
                         GUdevDevice *port,
                         GAsyncReadyCallback callback,
                         gpointer user_data)
{
    MMPortProbe *probe;
    GSimpleAsyncResult *async_result;
    PortProbeRunContext *ctx;
    gboolean need_vendor_probing;
    gboolean need_product_probing;
    MMPortProbeFlag probe_run_flags;
    gchar *probe_list_str;

    async_result = g_simple_async_result_new (G_OBJECT (self),
                                              callback,
                                              user_data,
                                              mm_plugin_supports_port);

    /* Apply filters before launching the probing */
    if (apply_pre_probing_filters (self,
                                   device,
                                   port,
                                   &need_vendor_probing,
                                   &need_product_probing)) {
        /* Filtered! */
        g_simple_async_result_set_op_res_gpointer (async_result,
                                                   GUINT_TO_POINTER (MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED),
                                                   NULL);
        g_simple_async_result_complete_in_idle (async_result);
        goto out;
    }

    /* Need to launch new probing */
    probe = MM_PORT_PROBE (mm_device_get_port_probe (device, port));
    if (!probe) {
        /* This may happen if the ports get removed from the device while
         * probing is ongoing */
        g_simple_async_result_set_error (async_result,
                                         MM_CORE_ERROR,
                                         MM_CORE_ERROR_FAILED,
                                         "(%s) Missing port probe for port (%s/%s)",
                                         self->priv->name,
                                         g_udev_device_get_subsystem (port),
                                         g_udev_device_get_name (port));
        g_simple_async_result_complete_in_idle (async_result);
        goto out;
    }

    /* Before launching any probing, check if the port is a net device. */
    if (g_str_equal (g_udev_device_get_subsystem (port), "net")) {
        mm_dbg ("(%s) [%s] probing deferred until result suggested",
                self->priv->name,
                g_udev_device_get_name (port));
        g_simple_async_result_set_op_res_gpointer (
            async_result,
            GUINT_TO_POINTER (MM_PLUGIN_SUPPORTS_PORT_DEFER_UNTIL_SUGGESTED),
            NULL);
        g_simple_async_result_complete_in_idle (async_result);
        goto out;
    }

    /* Build flags depending on what probing needed */
    if (!g_str_has_prefix (g_udev_device_get_name (port), "cdc-wdm")) {
        /* Serial ports... */
        probe_run_flags = MM_PORT_PROBE_NONE;
        if (self->priv->at)
            probe_run_flags |= MM_PORT_PROBE_AT;
        else if (self->priv->single_at)
            probe_run_flags |= MM_PORT_PROBE_AT;
        if (need_vendor_probing)
            probe_run_flags |= (MM_PORT_PROBE_AT | MM_PORT_PROBE_AT_VENDOR);
        if (need_product_probing)
            probe_run_flags |= (MM_PORT_PROBE_AT | MM_PORT_PROBE_AT_PRODUCT);
        if (self->priv->qcdm)
            probe_run_flags |= MM_PORT_PROBE_QCDM;
        if (self->priv->icera_probe || self->priv->allowed_icera || self->priv->forbidden_icera)
            probe_run_flags |= (MM_PORT_PROBE_AT | MM_PORT_PROBE_AT_ICERA);
    } else {
        /* cdc-wdm ports... */
        probe_run_flags = MM_PORT_PROBE_QMI;
    }

    g_assert (probe_run_flags != MM_PORT_PROBE_NONE);

    /* If a modem is already available and the plugin says that only one AT port is
     * expected, check if we alredy got the single AT port. And if so, we know this
     * port being probed won't be AT. */
    if (self->priv->single_at &&
        mm_port_probe_list_has_at_port (mm_device_peek_port_probe_list (device)) &&
        !mm_port_probe_is_at (probe)) {
        mm_dbg ("(%s) [%s] not setting up AT probing tasks: "
                "modem already has the expected single AT port",
                self->priv->name,
                g_udev_device_get_name (port));

        /* Assuming it won't be an AT port. We still run the probe anyway, in
         * case we need to check for other port types (e.g. QCDM) */
        mm_port_probe_set_result_at (probe, FALSE);
    }

    /* Setup async call context */
    ctx = g_new (PortProbeRunContext, 1);
    ctx->self = g_object_ref (self);
    ctx->device = g_object_ref (device);
    ctx->result = g_object_ref (async_result);
    ctx->flags = probe_run_flags;

    /* Launch the probe */
    probe_list_str = mm_port_probe_flag_build_string_from_mask (ctx->flags);
    mm_dbg ("(%s) [%s] probe required: '%s'",
            self->priv->name,
            g_udev_device_get_name (port),
            probe_list_str);
    g_free (probe_list_str);

    mm_port_probe_run (probe,
                       ctx->flags,
                       self->priv->send_delay,
                       self->priv->remove_echo,
                       self->priv->custom_at_probe,
                       self->priv->custom_init,
                       (GAsyncReadyCallback)port_probe_run_ready,
                       ctx);

out:
    g_object_unref (async_result);
}