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iridium: new MMBearerIridium

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This commit is contained in:
Aleksander Morgado
2012-02-16 10:21:07 +01:00
parent 022272f88c
commit 447d8a230d
3 changed files with 405 additions and 0 deletions
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2
plugins/Makefile.am
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@@ -250,6 +250,8 @@ libmm_plugin_iridium_la_SOURCES = \
mm-plugin-iridium.h \
mm-broadband-modem-iridium.c \
mm-broadband-modem-iridium.h \
mm-bearer-iridium.c \
mm-bearer-iridium.h \
mm-sim-iridium.c \
mm-sim-iridium.h
libmm_plugin_iridium_la_CPPFLAGS = $(PLUGIN_COMMON_COMPILER_FLAGS)

350
plugins/mm-bearer-iridium.c Normal file
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@@ -0,0 +1,350 @@
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details:
*
* Copyright (C) 2012 Ammonit Measurement GmbH
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include <ModemManager.h>
#include <libmm-common.h>
#include "mm-bearer-iridium.h"
#include "mm-base-modem-at.h"
#include "mm-utils.h"
#include "mm-log.h"
G_DEFINE_TYPE (MMBearerIridium, mm_bearer_iridium, MM_TYPE_BEARER);
/*****************************************************************************/
/* Connect */
typedef struct {
MMPort *data;
MMCommonBearerIpConfig *ipv4_config;
MMCommonBearerIpConfig *ipv6_config;
} ConnectResult;
static void
connect_result_free (ConnectResult *result)
{
if (result->ipv4_config)
g_object_unref (result->ipv4_config);
if (result->ipv6_config)
g_object_unref (result->ipv6_config);
g_object_unref (result->data);
g_free (result);
}
typedef struct {
MMBearerIridium *self;
GSimpleAsyncResult *result;
GCancellable *cancellable;
GError *saved_error;
} ConnectContext;
static void
connect_context_complete_and_free (ConnectContext *ctx)
{
g_simple_async_result_complete_in_idle (ctx->result);
if (ctx->saved_error)
g_error_free (ctx->saved_error);
g_object_unref (ctx->cancellable);
g_object_unref (ctx->result);
g_object_unref (ctx->self);
g_free (ctx);
}
static gboolean
connect_finish (MMBearer *self,
GAsyncResult *res,
MMPort **data,
MMCommonBearerIpConfig **ipv4_config,
MMCommonBearerIpConfig **ipv6_config,
GError **error)
{
ConnectResult *result;
if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error))
return FALSE;
result = (ConnectResult *) g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (res));
*data = MM_PORT (g_object_ref (result->data));
*ipv4_config = (result->ipv4_config ? g_object_ref (result->ipv4_config) : NULL);
*ipv6_config = (result->ipv6_config ? g_object_ref (result->ipv6_config) : NULL);
return TRUE;
}
static void
connect_report_ready (MMBaseModem *modem,
GAsyncResult *res,
ConnectContext *ctx)
{
const gchar *result;
/* If cancelled, complete */
if (g_cancellable_is_cancelled (ctx->cancellable)) {
g_simple_async_result_set_error (ctx->result,
MM_CORE_ERROR,
MM_CORE_ERROR_CANCELLED,
"Connection setup operation has been cancelled");
connect_context_complete_and_free (ctx);
return;
}
/* If we got a proper extended reply, build the new error to be set */
result = mm_base_modem_at_command_finish (modem, res, NULL);
if (result &&
g_str_has_prefix (result, "+CEER: ") &&
strlen (result) > 7) {
g_simple_async_result_set_error (ctx->result,
ctx->saved_error->domain,
ctx->saved_error->code,
"%s", &result[7]);
g_error_free (ctx->saved_error);
ctx->saved_error = NULL;
connect_context_complete_and_free (ctx);
return;
}
/* Take the original error as it was */
g_simple_async_result_take_error (ctx->result,
ctx->saved_error);
ctx->saved_error = NULL;
connect_context_complete_and_free (ctx);
}
static void
dial_ready (MMBaseModem *modem,
GAsyncResult *res,
ConnectContext *ctx)
{
MMCommonBearerIpConfig *config;
ConnectResult *result;
/* DO NOT check for cancellable here. If we got here without errors, the
* bearer is really connected and therefore we need to reflect that in
* the state machine. */
mm_base_modem_at_command_finish (modem, res, &(ctx->saved_error));
if (ctx->saved_error) {
/* Try to get more information why it failed */
mm_base_modem_at_command (
modem,
"+CEER",
3,
FALSE,
NULL, /* cancellable */
(GAsyncReadyCallback)connect_report_ready,
ctx);
return;
}
/* Port is connected; update the state */
mm_port_set_connected (MM_PORT (mm_base_modem_get_port_primary (modem)), TRUE);
/* Build IP config; always PPP based */
config = mm_common_bearer_ip_config_new ();
mm_common_bearer_ip_config_set_method (config, MM_BEARER_IP_METHOD_PPP);
/* Build result */
result = g_new0 (ConnectResult, 1);
result->data = g_object_ref (mm_base_modem_get_port_primary (modem));
result->ipv4_config = config;
result->ipv6_config = g_object_ref (config);
/* Set operation result */
g_simple_async_result_set_op_res_gpointer (ctx->result,
result,
(GDestroyNotify)connect_result_free);
connect_context_complete_and_free (ctx);
}
static void
connect (MMBearer *self,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
ConnectContext *ctx;
MMBaseModem *modem = NULL;
g_object_get (self,
MM_BEARER_MODEM, &modem,
NULL);
g_assert (modem);
/* Don't bother to get primary and check if connected and all that; we
* already do this check when sending the ATDT call */
/* In this context, we only keep the stuff we'll need later */
ctx = g_new0 (ConnectContext, 1);
ctx->self = g_object_ref (self);
ctx->cancellable = g_object_ref (cancellable);
ctx->result = g_simple_async_result_new (G_OBJECT (self),
callback,
user_data,
connect);
/* We just use the default number to dial in the Iridium network. Also note
* that we won't specify a specific port to use; Iridium modems only expose
* one. */
mm_base_modem_at_command (
modem,
"ATDT008816000025",
60,
FALSE,
NULL, /* cancellable */
(GAsyncReadyCallback)dial_ready,
ctx);
g_object_unref (modem);
}
/*****************************************************************************/
/* Disconnect */
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
primary_flash_ready (MMSerialPort *port,
GError *error,
GSimpleAsyncResult *result)
{
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 (result, error);
g_simple_async_result_complete (result);
g_object_unref (result);
return;
}
mm_dbg ("Port flashing failed (not fatal): %s", error->message);
}
/* 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 (MM_PORT (port), FALSE);
g_simple_async_result_set_op_res_gboolean (result, TRUE);
g_simple_async_result_complete (result);
g_object_unref (result);
}
static void
disconnect (MMBearer *self,
GAsyncReadyCallback callback,
gpointer user_data)
{
MMAtSerialPort *primary;
MMBaseModem *modem = NULL;
GSimpleAsyncResult *result;
g_object_get (self,
MM_BEARER_MODEM, &modem,
NULL);
g_assert (modem != NULL);
primary = mm_base_modem_get_port_primary (modem);
g_object_unref (modem);
if (!mm_port_get_connected (MM_PORT (primary))) {
g_simple_async_report_error_in_idle (
G_OBJECT (self),
callback,
user_data,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't disconnect Iridium: this bearer is not connected");
return;
}
/* Just flash the primary port */
result = g_simple_async_result_new (G_OBJECT (self),
callback,
user_data,
disconnect);
mm_serial_port_flash (MM_SERIAL_PORT (primary),
1000,
TRUE,
(MMSerialFlashFn)primary_flash_ready,
result);
}
/*****************************************************************************/
static gboolean
cmp_properties (MMBearer *self,
MMCommonBearerProperties *properties)
{
return (mm_common_bearer_properties_get_apn (properties) == NULL &&
mm_common_bearer_properties_get_ip_type (properties) == NULL &&
mm_common_bearer_properties_get_number (properties) == NULL &&
mm_common_bearer_properties_get_rm_protocol (properties) == MM_MODEM_CDMA_RM_PROTOCOL_UNKNOWN &&
mm_common_bearer_properties_get_allow_roaming (properties));
}
/*****************************************************************************/
MMBearer *
mm_bearer_iridium_new (MMBroadbandModemIridium *modem)
{
MMBearer *bearer;
/* The Iridium bearer inherits from MMBearer (so it's not a MMBroadbandBearer)
* and that means that the object is not async-initable, so we just use
* g_object_get() here */
bearer = g_object_new (MM_TYPE_BEARER_IRIDIUM,
MM_BEARER_MODEM, modem,
NULL);
/* Only export valid bearers */
mm_bearer_export (bearer);
return bearer;
}
static void
mm_bearer_iridium_init (MMBearerIridium *self)
{
}
static void
mm_bearer_iridium_class_init (MMBearerIridiumClass *klass)
{
MMBearerClass *bearer_class = MM_BEARER_CLASS (klass);
/* Virtual methods */
bearer_class->cmp_properties = cmp_properties;
bearer_class->connect = connect;
bearer_class->connect_finish = connect_finish;
bearer_class->disconnect = disconnect;
bearer_class->disconnect_finish = disconnect_finish;
}

53
plugins/mm-bearer-iridium.h Normal file
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@@ -0,0 +1,53 @@
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details:
*
* Author: Aleksander Morgado <aleksander@lanedo.com>
*
* Copyright (C) 2012 Ammonit Measurement GmbH.
*/
#ifndef MM_BEARER_IRIDIUM_H
#define MM_BEARER_IRIDIUM_H
#include <glib.h>
#include <glib-object.h>
#include <libmm-common.h>
#include "mm-broadband-bearer.h"
#include "mm-broadband-modem-iridium.h"
#define MM_TYPE_BEARER_IRIDIUM (mm_bearer_iridium_get_type ())
#define MM_BEARER_IRIDIUM(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), MM_TYPE_BEARER_IRIDIUM, MMBearerIridium))
#define MM_BEARER_IRIDIUM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), MM_TYPE_BEARER_IRIDIUM, MMBearerIridiumClass))
#define MM_IS_BEARER_IRIDIUM(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MM_TYPE_BEARER_IRIDIUM))
#define MM_IS_BEARER_IRIDIUM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), MM_TYPE_BEARER_IRIDIUM))
#define MM_BEARER_IRIDIUM_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), MM_TYPE_BEARER_IRIDIUM, MMBearerIridiumClass))
typedef struct _MMBearerIridium MMBearerIridium;
typedef struct _MMBearerIridiumClass MMBearerIridiumClass;
struct _MMBearerIridium {
MMBearer parent;
};
struct _MMBearerIridiumClass {
MMBearerClass parent;
};
GType mm_bearer_iridium_get_type (void);
/* Iridium bearer creation implementation.
* NOTE it is *not* a broadband bearer, so not async-initable */
MMBearer *mm_bearer_iridium_new (MMBroadbandModemIridium *modem);
#endif /* MM_BEARER_IRIDIUM_H */