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mms_connman_ofono.c
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mms_connman_ofono.c
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/*
* Copyright (C) 2013-2016 Jolla Ltd.
* Contact: Slava Monich <slava.monich@jolla.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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.
*/
#include "mms_connman_ofono.h"
#include "mms_connection_ofono.h"
#include <gofono_manager.h>
#include <gofono_connmgr.h>
#include <gofono_connctx.h>
#include <gofono_simmgr.h>
#include <gofono_modem.h>
/* Logging */
#define GLOG_MODULE_NAME mms_connman_log
#include "mms_connman_ofono_log.h"
#include <gutil_log.h>
GLOG_MODULE_DEFINE("mms-connman-ofono");
enum manager_handler_id {
MANAGER_HANDLER_VALID_CHANGED,
MANAGER_HANDLER_MODEM_ADDED,
MANAGER_HANDLER_MODEM_REMOVED,
MANAGER_HANDLER_COUNT
};
enum simmgr_handler_id {
SIMMGR_HANDLER_VALID_CHANGED,
SIMMGR_HANDLER_PRESENT_CHANGED,
SIMMGR_HANDLER_COUNT
};
typedef struct mms_ofono_modem {
OfonoModem* modem;
OfonoSimMgr* simmgr;
OfonoConnMgr* connmgr;
MMSConnection* conn;
gulong simmgr_handler_id[SIMMGR_HANDLER_COUNT];
} MMSOfonoModem;
typedef MMSConnManClass MMSConnManOfonoClass;
typedef struct mms_connman_ofono {
MMSConnMan cm;
GHashTable* modems;
MMSOfonoModem* default_modem;
OfonoManager* manager;
gulong manager_handler_id[MANAGER_HANDLER_COUNT];
} MMSConnManOfono;
G_DEFINE_TYPE(MMSConnManOfono, mms_connman_ofono, MMS_TYPE_CONNMAN)
#define MMS_TYPE_CONNMAN_OFONO (mms_connman_ofono_get_type())
#define MMS_CONNMAN_OFONO(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),\
MMS_TYPE_CONNMAN_OFONO, MMSConnManOfono))
#define MMS_OFONO_TIMEOUT (30000)
/**
* Waits until ofono client interfaces are initialized.
*/
static
void
mms_connman_ofono_wait_valid(
MMSConnManOfono* self)
{
GError* error = NULL;
if (ofono_manager_wait_valid(self->manager, MMS_OFONO_TIMEOUT, &error)) {
if (self->default_modem &&
self->default_modem->modem &&
!ofono_modem_wait_valid(self->default_modem->modem,
MMS_OFONO_TIMEOUT, &error)) {
GERR("%s", GERRMSG(error));
g_error_free(error);
}
if (self->default_modem &&
self->default_modem->simmgr &&
!ofono_simmgr_wait_valid(self->default_modem->simmgr,
MMS_OFONO_TIMEOUT, &error)) {
GERR("%s", GERRMSG(error));
g_error_free(error);
}
if (self->default_modem &&
self->default_modem->connmgr &&
!ofono_connmgr_wait_valid(self->default_modem->connmgr,
MMS_OFONO_TIMEOUT, &error)) {
GERR("%s", GERRMSG(error));
g_error_free(error);
}
} else {
GERR("%s", GERRMSG(error));
g_error_free(error);
}
}
/**
* Finds OfonoModem for the specified IMSI. If it returns non-NULL, the modem
* is guaranteed to have SimManager associated with it.
*/
static
MMSOfonoModem*
mms_connman_ofono_modem_for_imsi(
MMSConnManOfono* self,
const char* imsi)
{
mms_connman_ofono_wait_valid(self);
if (imsi) {
GHashTableIter iter;
gpointer key, value;
g_hash_table_iter_init(&iter, self->modems);
while (g_hash_table_iter_next(&iter, &key, &value)) {
MMSOfonoModem* modem = value;
if (modem->simmgr &&
ofono_simmgr_valid(modem->simmgr) &&
modem->simmgr->present &&
!g_strcmp0(imsi, modem->simmgr->imsi)) {
return modem;
}
}
GINFO("SIM %s is not avialable", imsi);
} else if (self->default_modem) {
if (ofono_simmgr_valid(self->default_modem->simmgr)) {
if (self->default_modem->simmgr->present) {
return self->default_modem;
} else {
GINFO("SIM card is not present");
}
} else {
GINFO("No SIM card found");
}
} else {
GWARN("No default modem");
}
return NULL;
}
/**
* Returns IMSI of the default SIM
*/
static
char*
mms_connman_ofono_default_imsi(
MMSConnMan* cm)
{
MMSConnManOfono* self = MMS_CONNMAN_OFONO(cm);
mms_connman_ofono_wait_valid(self);
if (self->default_modem &&
self->default_modem->simmgr &&
self->default_modem->simmgr->imsi &&
self->default_modem->simmgr->imsi[0]) {
return g_strdup(self->default_modem->simmgr->imsi);
}
return NULL;
}
/**
* MMSConnection destroy notification.
*/
static
void
mms_connman_ofono_connection_gone(
gpointer arg,
GObject* connection)
{
MMSConnManOfono* self = MMS_CONNMAN_OFONO(arg);
GHashTableIter it;
gpointer value;
g_hash_table_iter_init(&it, self->modems);
while (g_hash_table_iter_next(&it, NULL, &value)) {
MMSOfonoModem* modem = value;
if (((GObject*)modem->conn) == connection) {
modem->conn = NULL;
GVERBOSE_("%s", ofono_modem_path(modem->modem));
break;
}
}
}
/**
* Creates a new connection or returns the reference to an aready active one.
* The caller must release the reference. Returns NULL if the modem is offline
* and the network task should fail immediately.
*/
static
MMSConnection*
mms_connman_ofono_open_connection(
MMSConnMan* cm,
const char* imsi,
MMS_CONNECTION_TYPE type)
{
MMSConnManOfono* self = MMS_CONNMAN_OFONO(cm);
MMSOfonoModem* modem = mms_connman_ofono_modem_for_imsi(self, imsi);
if (modem) {
OfonoConnCtx* ctx = ofono_connmgr_get_context_for_type(modem->connmgr,
OFONO_CONNCTX_TYPE_MMS);
if (ctx) {
if (modem->conn) {
mms_connection_ref(modem->conn);
} else {
modem->conn =
mms_connection_ofono_new(modem->simmgr, ctx, type);
g_object_weak_ref(G_OBJECT(modem->conn),
mms_connman_ofono_connection_gone, self);
}
if (!ctx->active) {
ofono_connctx_activate(ctx);
}
return modem->conn;
} else {
GWARN("SIM %s has no MMS context", imsi);
}
}
return NULL;
}
static
void
mms_connman_ofono_select_default_modem(
MMSConnManOfono* self)
{
MMSOfonoModem* context = NULL;
GHashTableIter iter;
gpointer key, value;
g_hash_table_iter_init(&iter, self->modems);
while (g_hash_table_iter_next(&iter, &key, &value)) {
if (!context ||
!ofono_simmgr_valid(context->simmgr) ||
!context->simmgr->present) {
context = value;
if (ofono_simmgr_valid(context->simmgr) &&
context->simmgr->present) {
break;
}
}
}
if (self->default_modem != context) {
if (context) {
GINFO("Default modem %s", ofono_modem_path(context->modem));
} else {
GINFO("No default modem");
}
self->default_modem = context;
}
}
static
void
mms_ofono_simmgr_changed(
OfonoSimMgr* sender,
void* arg)
{
mms_connman_ofono_select_default_modem(MMS_CONNMAN_OFONO(arg));
}
static
void
mms_connman_ofono_add_modem(
MMSConnManOfono* self,
OfonoModem* modem)
{
MMSOfonoModem* context = g_new0(MMSOfonoModem,1);
const char* path = modem->object.path;
context->modem = ofono_modem_ref(modem);
context->connmgr = ofono_connmgr_new(path);
context->simmgr = ofono_simmgr_new(path);
context->simmgr_handler_id[SIMMGR_HANDLER_VALID_CHANGED] =
ofono_simmgr_add_valid_changed_handler(context->simmgr,
mms_ofono_simmgr_changed, self);
context->simmgr_handler_id[SIMMGR_HANDLER_PRESENT_CHANGED] =
ofono_simmgr_add_present_changed_handler(context->simmgr,
mms_ofono_simmgr_changed, self);
g_hash_table_replace(self->modems, g_strdup(path), context);
}
static
void
mms_connman_ofono_modem_added(
OfonoManager* manager,
OfonoModem* modem,
void* arg)
{
if (manager->valid) {
MMSConnManOfono* self = MMS_CONNMAN_OFONO(arg);
GASSERT(manager == self->manager);
mms_connman_ofono_add_modem(self, modem);
mms_connman_ofono_select_default_modem(self);
}
}
static
void
mms_connman_ofono_modem_removed(
OfonoManager* manager,
const char* path,
void* arg)
{
if (manager->valid) {
MMSConnManOfono* self = MMS_CONNMAN_OFONO(arg);
GASSERT(manager == self->manager);
g_hash_table_remove(self->modems, path);
mms_connman_ofono_select_default_modem(self);
}
}
static
void
mms_connman_ofono_init_modems(
MMSConnManOfono* self)
{
guint i;
GPtrArray* modems = ofono_manager_get_modems(self->manager);
for (i=0; i<modems->len; i++) {
mms_connman_ofono_add_modem(self, OFONO_MODEM(modems->pdata[i]));
}
mms_connman_ofono_select_default_modem(self);
}
static
void
mms_connman_ofono_valid_changed(
OfonoManager* manager,
void* arg)
{
MMSConnManOfono* self = MMS_CONNMAN_OFONO(arg);
GASSERT(manager == self->manager);
if (manager->valid) {
mms_connman_ofono_init_modems(self);
} else {
self->default_modem = NULL;
g_hash_table_remove_all(self->modems);
}
}
/**
* Creates oFono connection manager
*/
MMSConnMan*
mms_connman_ofono_new()
{
MMSConnManOfono* self = g_object_new(MMS_TYPE_CONNMAN_OFONO, NULL);
self->manager = ofono_manager_new();
self->manager_handler_id[MANAGER_HANDLER_VALID_CHANGED] =
ofono_manager_add_valid_changed_handler(self->manager,
mms_connman_ofono_valid_changed, self);
self->manager_handler_id[MANAGER_HANDLER_MODEM_ADDED] =
ofono_manager_add_modem_added_handler(self->manager,
mms_connman_ofono_modem_added, self);
self->manager_handler_id[MANAGER_HANDLER_MODEM_REMOVED] =
ofono_manager_add_modem_removed_handler(self->manager,
mms_connman_ofono_modem_removed, self);
if (self->manager->valid) mms_connman_ofono_init_modems(self);
return &self->cm;
}
/**
* Cleanup callback for the modem context
*/
static
void
mms_ofono_modem_cleanup(
gpointer data)
{
MMSOfonoModem* context = data;
ofono_simmgr_remove_handlers(context->simmgr, context->simmgr_handler_id,
G_N_ELEMENTS(context->simmgr_handler_id));
ofono_simmgr_unref(context->simmgr);
ofono_connmgr_unref(context->connmgr);
ofono_modem_unref(context->modem);
if (context->conn) {
mms_connection_close(context->conn);
mms_connection_unref(context->conn);
}
g_free(context);
}
/**
* First stage of deinitialization (release all references).
* May be called more than once in the lifetime of the object.
*/
static
void
mms_connman_ofono_dispose(
GObject* object)
{
MMSConnManOfono* self = MMS_CONNMAN_OFONO(object);
GVERBOSE_("");
self->default_modem = NULL;
g_hash_table_remove_all(self->modems);
if (self->manager) {
ofono_manager_remove_handlers(self->manager, self->manager_handler_id,
G_N_ELEMENTS(self->manager_handler_id));
ofono_manager_unref(self->manager);
self->manager = NULL;
}
G_OBJECT_CLASS(mms_connman_ofono_parent_class)->dispose(object);
}
/**
* Final stage of deinitialization
*/
static
void
mms_connman_ofono_finalize(
GObject* object)
{
MMSConnManOfono* self = MMS_CONNMAN_OFONO(object);
GVERBOSE_("");
g_hash_table_destroy(self->modems);
G_OBJECT_CLASS(mms_connman_ofono_parent_class)->finalize(object);
}
/**
* Per class initializer
*/
static
void
mms_connman_ofono_class_init(
MMSConnManOfonoClass* klass)
{
GObjectClass* object_class = G_OBJECT_CLASS(klass);
klass->fn_default_imsi = mms_connman_ofono_default_imsi;
klass->fn_open_connection = mms_connman_ofono_open_connection;
object_class->dispose = mms_connman_ofono_dispose;
object_class->finalize = mms_connman_ofono_finalize;
}
/**
* Per instance initializer
*/
static
void
mms_connman_ofono_init(
MMSConnManOfono* self)
{
self->modems = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, mms_ofono_modem_cleanup);
}
/*
* Local Variables:
* mode: C
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/