blob: 2a46424a23f444d1d36324fcfe2b5ec94474a776 [file] [log] [blame] [edit]
/*
*
* Connection Manager
*
* Copyright (C) 2007-2012 Intel Corporation. All rights reserved.
* Copyright (C) 2011 BWM CarIT GmbH. All rights reserved.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <errno.h>
#include <gdbus.h>
#include <connman/session.h>
#include "connman.h"
static DBusConnection *connection;
static GHashTable *session_hash;
static connman_bool_t sessionmode;
static struct connman_session *ecall_session;
static GSList *policy_list;
enum connman_session_trigger {
CONNMAN_SESSION_TRIGGER_UNKNOWN = 0,
CONNMAN_SESSION_TRIGGER_SETTING = 1,
CONNMAN_SESSION_TRIGGER_CONNECT = 2,
CONNMAN_SESSION_TRIGGER_DISCONNECT = 3,
CONNMAN_SESSION_TRIGGER_SERVICE = 4,
CONNMAN_SESSION_TRIGGER_ECALL = 5,
};
enum connman_session_reason {
CONNMAN_SESSION_REASON_UNKNOWN = 0,
CONNMAN_SESSION_REASON_CONNECT = 1,
CONNMAN_SESSION_REASON_FREE_RIDE = 2,
};
enum connman_session_state {
CONNMAN_SESSION_STATE_DISCONNECTED = 0,
CONNMAN_SESSION_STATE_CONNECTED = 1,
CONNMAN_SESSION_STATE_ONLINE = 2,
};
struct service_entry {
/* track why this service was selected */
enum connman_session_reason reason;
enum connman_service_state state;
const char *name;
struct connman_service *service;
char *ifname;
const char *bearer;
GSList *pending_timeouts;
};
struct session_info {
struct connman_session_config config;
enum connman_session_state state;
struct service_entry *entry;
enum connman_session_reason reason;
};
struct connman_session {
char *owner;
char *session_path;
char *notify_path;
guint notify_watch;
struct connman_session_policy *policy;
connman_bool_t append_all;
struct session_info *info;
struct session_info *info_last;
struct connman_session_config *policy_config;
GSList *user_allowed_bearers;
connman_bool_t ecall;
GSequence *service_list;
GHashTable *service_hash;
};
static const char *trigger2string(enum connman_session_trigger trigger)
{
switch (trigger) {
case CONNMAN_SESSION_TRIGGER_UNKNOWN:
break;
case CONNMAN_SESSION_TRIGGER_SETTING:
return "setting";
case CONNMAN_SESSION_TRIGGER_CONNECT:
return "connect";
case CONNMAN_SESSION_TRIGGER_DISCONNECT:
return "disconnect";
case CONNMAN_SESSION_TRIGGER_SERVICE:
return "service";
case CONNMAN_SESSION_TRIGGER_ECALL:
return "ecall";
}
return NULL;
}
static const char *reason2string(enum connman_session_reason reason)
{
switch (reason) {
case CONNMAN_SESSION_REASON_UNKNOWN:
return "unknown";
case CONNMAN_SESSION_REASON_CONNECT:
return "connect";
case CONNMAN_SESSION_REASON_FREE_RIDE:
return "free-ride";
}
return NULL;
}
static const char *state2string(enum connman_session_state state)
{
switch (state) {
case CONNMAN_SESSION_STATE_DISCONNECTED:
return "disconnected";
case CONNMAN_SESSION_STATE_CONNECTED:
return "connected";
case CONNMAN_SESSION_STATE_ONLINE:
return "online";
}
return NULL;
}
static const char *type2string(enum connman_session_type type)
{
switch (type) {
case CONNMAN_SESSION_TYPE_UNKNOWN:
return "";
case CONNMAN_SESSION_TYPE_ANY:
return "any";
case CONNMAN_SESSION_TYPE_LOCAL:
return "local";
case CONNMAN_SESSION_TYPE_INTERNET:
return "internet";
}
return NULL;
}
enum connman_session_roaming_policy connman_session_parse_roaming_policy(const char *policy)
{
if (g_strcmp0(policy, "default") == 0)
return CONNMAN_SESSION_ROAMING_POLICY_DEFAULT;
else if (g_strcmp0(policy, "always") == 0)
return CONNMAN_SESSION_ROAMING_POLICY_ALWAYS;
else if (g_strcmp0(policy, "forbidden") == 0)
return CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN;
else if (g_strcmp0(policy, "national") == 0)
return CONNMAN_SESSION_ROAMING_POLICY_NATIONAL;
else if (g_strcmp0(policy, "international") == 0)
return CONNMAN_SESSION_ROAMING_POLICY_INTERNATIONAL;
else
return CONNMAN_SESSION_ROAMING_POLICY_UNKNOWN;
}
enum connman_session_type connman_session_parse_connection_type(const char *type)
{
if (g_strcmp0(type, "any") == 0)
return CONNMAN_SESSION_TYPE_ANY;
if (g_strcmp0(type, "local") == 0)
return CONNMAN_SESSION_TYPE_LOCAL;
else if (g_strcmp0(type, "internet") == 0)
return CONNMAN_SESSION_TYPE_INTERNET;
return CONNMAN_SESSION_TYPE_UNKNOWN;
}
static int bearer2service(const char *bearer, enum connman_service_type *type)
{
if (g_strcmp0(bearer, "ethernet") == 0)
*type = CONNMAN_SERVICE_TYPE_ETHERNET;
else if (g_strcmp0(bearer, "wifi") == 0)
*type = CONNMAN_SERVICE_TYPE_WIFI;
else if (g_strcmp0(bearer, "bluetooth") == 0)
*type = CONNMAN_SERVICE_TYPE_BLUETOOTH;
else if (g_strcmp0(bearer, "cellular") == 0)
*type = CONNMAN_SERVICE_TYPE_CELLULAR;
else if (g_strcmp0(bearer, "vpn") == 0)
*type = CONNMAN_SERVICE_TYPE_VPN;
else if (g_strcmp0(bearer, "lowpan") == 0)
*type = CONNMAN_SERVICE_TYPE_LOWPAN;
else if (g_strcmp0(bearer, "*") == 0)
*type = CONNMAN_SERVICE_TYPE_UNKNOWN;
else
return -EINVAL;
return 0;
}
static char *service2bearer(enum connman_service_type type)
{
switch (type) {
case CONNMAN_SERVICE_TYPE_ETHERNET:
return "ethernet";
case CONNMAN_SERVICE_TYPE_WIFI:
return "wifi";
case CONNMAN_SERVICE_TYPE_BLUETOOTH:
return "bluetooth";
case CONNMAN_SERVICE_TYPE_CELLULAR:
return "cellular";
case CONNMAN_SERVICE_TYPE_VPN:
return "vpn";
case CONNMAN_SERVICE_TYPE_LOWPAN:
return "lowpan";
case CONNMAN_SERVICE_TYPE_UNKNOWN:
case CONNMAN_SERVICE_TYPE_SYSTEM:
case CONNMAN_SERVICE_TYPE_GPS:
case CONNMAN_SERVICE_TYPE_GADGET:
return "";
}
return "";
}
static void destroy_policy_config(struct connman_session *session)
{
if (session->policy == NULL) {
g_free(session->policy_config);
return;
}
(*session->policy->destroy)(session);
}
static void free_session(struct connman_session *session)
{
if (session == NULL)
return;
if (session->notify_watch > 0)
g_dbus_remove_watch(connection, session->notify_watch);
destroy_policy_config(session);
g_slist_free(session->info->config.allowed_bearers);
g_free(session->owner);
g_free(session->session_path);
g_free(session->notify_path);
g_free(session->info);
g_free(session->info_last);
g_free(session);
}
static void cleanup_session(gpointer user_data)
{
struct connman_session *session = user_data;
struct session_info *info = session->info;
DBG("remove %s", session->session_path);
g_slist_free(session->user_allowed_bearers);
g_hash_table_destroy(session->service_hash);
g_sequence_free(session->service_list);
if (info->entry != NULL &&
info->entry->reason == CONNMAN_SESSION_REASON_CONNECT) {
__connman_service_disconnect(info->entry->service);
}
free_session(session);
}
static int assign_policy_plugin(struct connman_session *session)
{
if (session->policy != NULL)
return -EALREADY;
if (policy_list == NULL)
return 0;
session->policy = policy_list->data;
return 0;
}
struct user_config {
DBusMessage *pending;
enum connman_session_type type;
GSList *allowed_bearers;
};
static void cleanup_user_config(struct user_config *user_config)
{
if (user_config == NULL)
return;
if (user_config->pending != NULL)
dbus_message_unref(user_config->pending);
g_slist_free(user_config->allowed_bearers);
g_free(user_config);
}
static int create_policy_config(struct connman_session *session,
connman_session_config_cb callback,
struct user_config *user_config)
{
struct connman_session_config *config;
if (session->policy == NULL) {
config = connman_session_create_default_config();
if (config == NULL) {
free_session(session);
cleanup_user_config(user_config);
return -ENOMEM;
}
return callback(session, config, user_config, 0);
}
return (*session->policy->create)(session, callback, user_config);
}
static void probe_policy(struct connman_session_policy *policy)
{
GHashTableIter iter;
gpointer key, value;
struct connman_session *session;
DBG("policy %p name %s", policy, policy->name);
g_hash_table_iter_init(&iter, session_hash);
while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
session = value;
if (session->policy != NULL)
continue;
assign_policy_plugin(session);
}
}
static void remove_policy(struct connman_session_policy *policy)
{
GHashTableIter iter;
gpointer key, value;
struct connman_session *session;
DBG("policy %p name %s", policy, policy->name);
g_hash_table_iter_init(&iter, session_hash);
while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
session = value;
if (session->policy != policy)
continue;
session->policy = NULL;
assign_policy_plugin(session);
}
}
static gint compare_priority(gconstpointer a, gconstpointer b)
{
const struct connman_session_policy *policy1 = a;
const struct connman_session_policy *policy2 = b;
return policy2->priority - policy1->priority;
}
int connman_session_policy_register(struct connman_session_policy *policy)
{
DBG("name %s", policy->name);
if (policy->create == NULL || policy->destroy == NULL)
return -EINVAL;
policy_list = g_slist_insert_sorted(policy_list, policy,
compare_priority);
probe_policy(policy);
return 0;
}
void connman_session_policy_unregister(struct connman_session_policy *policy)
{
DBG("name %s", policy->name);
policy_list = g_slist_remove(policy_list, policy);
remove_policy(policy);
}
int connman_session_set_default_config(struct connman_session_config *config)
{
config->priority = FALSE;
config->roaming_policy = CONNMAN_SESSION_ROAMING_POLICY_DEFAULT;
config->type = CONNMAN_SESSION_TYPE_ANY;
config->ecall = FALSE;
g_slist_free(config->allowed_bearers);
config->allowed_bearers = g_slist_prepend(NULL,
GINT_TO_POINTER(CONNMAN_SERVICE_TYPE_UNKNOWN));
if (config->allowed_bearers == NULL)
return -ENOMEM;
return 0;
}
struct connman_session_config *connman_session_create_default_config(void)
{
struct connman_session_config *config;
config = g_try_new0(struct connman_session_config, 1);
if (config == NULL)
return NULL;
if (connman_session_set_default_config(config) < 0) {
g_free(config);
return NULL;
}
return config;
}
static enum connman_session_type apply_policy_on_type(
enum connman_session_type policy,
enum connman_session_type type)
{
if (type == CONNMAN_SESSION_TYPE_UNKNOWN)
return CONNMAN_SESSION_TYPE_UNKNOWN;
if (policy == CONNMAN_SESSION_TYPE_ANY)
return type;
if (policy == CONNMAN_SESSION_TYPE_LOCAL)
return CONNMAN_SESSION_TYPE_LOCAL;
return CONNMAN_SESSION_TYPE_INTERNET;
}
int connman_session_parse_bearers(const char *token, GSList **list)
{
enum connman_service_type bearer;
int err;
if (g_strcmp0(token, "") == 0)
return 0;
err = bearer2service(token, &bearer);
if (err < 0)
return err;
*list = g_slist_append(*list, GINT_TO_POINTER(bearer));
return 0;
}
static int parse_bearers(DBusMessageIter *iter, GSList **list)
{
DBusMessageIter array;
int type, err;
dbus_message_iter_recurse(iter, &array);
*list = NULL;
while ((type = dbus_message_iter_get_arg_type(&array)) !=
DBUS_TYPE_INVALID) {
char *bearer_name = NULL;
if (type != DBUS_TYPE_STRING) {
g_slist_free(*list);
*list = NULL;
return -EINVAL;
}
dbus_message_iter_get_basic(&array, &bearer_name);
err = connman_session_parse_bearers(bearer_name, list);
if (err < 0) {
g_slist_free(*list);
*list = NULL;
return err;
}
dbus_message_iter_next(&array);
}
return 0;
}
static int filter_bearer(GSList *policy_bearers,
enum connman_service_type bearer,
GSList **list)
{
enum connman_service_type policy;
GSList *it;
if (policy_bearers == NULL)
goto clone;
for (it = policy_bearers; it != NULL; it = it->next) {
policy = GPOINTER_TO_INT(it->data);
if (bearer == CONNMAN_SERVICE_TYPE_UNKNOWN) {
bearer = policy;
goto clone;
}
if (policy != CONNMAN_SERVICE_TYPE_UNKNOWN && policy != bearer)
continue;
goto clone;
}
*list = NULL;
return 0;
clone:
*list = g_slist_append(*list, GINT_TO_POINTER(bearer));
return 0;
}
static int apply_policy_on_bearers(GSList *policy_bearers, GSList *bearers,
GSList **list)
{
enum connman_service_type bearer;
GSList *it;
int err;
*list = NULL;
for (it = bearers; it != NULL; it = it->next) {
bearer = GPOINTER_TO_INT(it->data);
err = filter_bearer(policy_bearers, bearer, list);
if (err < 0)
return err;
}
return 0;
}
const char *connman_session_get_owner(struct connman_session *session)
{
return session->owner;
}
static void append_allowed_bearers(DBusMessageIter *iter, void *user_data)
{
struct session_info *info = user_data;
GSList *list;
for (list = info->config.allowed_bearers;
list != NULL; list = list->next) {
enum connman_service_type bearer = GPOINTER_TO_INT(list->data);
const char *name = __connman_service_type2string(bearer);
if (name == NULL)
name = "*";
dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
&name);
}
}
static void append_ipconfig_ipv4(DBusMessageIter *iter, void *user_data)
{
struct connman_service *service = user_data;
struct connman_ipconfig *ipconfig_ipv4;
if (service == NULL)
return;
if (__connman_service_is_connected_state(service,
CONNMAN_IPCONFIG_TYPE_IPV4) == FALSE) {
return;
}
ipconfig_ipv4 = __connman_service_get_ip4config(service);
if (ipconfig_ipv4 == NULL)
return;
__connman_ipconfig_append_ipv4(ipconfig_ipv4, iter);
}
static void append_ipconfig_ipv6(DBusMessageIter *iter, void *user_data)
{
struct connman_service *service = user_data;
struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
if (service == NULL)
return;
if (__connman_service_is_connected_state(service,
CONNMAN_IPCONFIG_TYPE_IPV6) == FALSE) {
return;
}
ipconfig_ipv4 = __connman_service_get_ip4config(service);
ipconfig_ipv6 = __connman_service_get_ip6config(service);
if (ipconfig_ipv6 == NULL)
return;
__connman_ipconfig_append_ipv6(ipconfig_ipv6, iter, ipconfig_ipv4);
}
static void append_notify(DBusMessageIter *dict,
struct connman_session *session)
{
struct session_info *info = session->info;
struct session_info *info_last = session->info_last;
struct connman_service *service;
const char *name, *ifname, *bearer;
if (session->append_all == TRUE ||
info->state != info_last->state) {
const char *state = state2string(info->state);
connman_dbus_dict_append_basic(dict, "State",
DBUS_TYPE_STRING,
&state);
info_last->state = info->state;
}
if (session->append_all == TRUE ||
info->entry != info_last->entry) {
if (info->entry == NULL) {
name = "";
ifname = "";
service = NULL;
bearer = "";
} else {
name = info->entry->name;
ifname = info->entry->ifname;
service = info->entry->service;
bearer = info->entry->bearer;
}
connman_dbus_dict_append_basic(dict, "Name",
DBUS_TYPE_STRING,
&name);
connman_dbus_dict_append_dict(dict, "IPv4",
append_ipconfig_ipv4,
service);
connman_dbus_dict_append_dict(dict, "IPv6",
append_ipconfig_ipv6,
service);
connman_dbus_dict_append_basic(dict, "Interface",
DBUS_TYPE_STRING,
&ifname);
connman_dbus_dict_append_basic(dict, "Bearer",
DBUS_TYPE_STRING,
&bearer);
info_last->entry = info->entry;
}
if (session->append_all == TRUE ||
info->config.type != info_last->config.type) {
const char *type = type2string(info->config.type);
connman_dbus_dict_append_basic(dict, "ConnectionType",
DBUS_TYPE_STRING,
&type);
info_last->config.type = info->config.type;
}
if (session->append_all == TRUE ||
info->config.allowed_bearers != info_last->config.allowed_bearers) {
connman_dbus_dict_append_array(dict, "AllowedBearers",
DBUS_TYPE_STRING,
append_allowed_bearers,
info);
info_last->config.allowed_bearers = info->config.allowed_bearers;
}
session->append_all = FALSE;
}
static connman_bool_t is_type_matching_state(enum connman_session_state *state,
enum connman_session_type type)
{
switch (type) {
case CONNMAN_SESSION_TYPE_UNKNOWN:
return FALSE;
case CONNMAN_SESSION_TYPE_ANY:
return TRUE;
case CONNMAN_SESSION_TYPE_LOCAL:
if (*state >= CONNMAN_SESSION_STATE_CONNECTED) {
*state = CONNMAN_SESSION_STATE_CONNECTED;
return TRUE;
}
break;
case CONNMAN_SESSION_TYPE_INTERNET:
if (*state == CONNMAN_SESSION_STATE_ONLINE)
return TRUE;
break;
}
return FALSE;
}
static connman_bool_t compute_notifiable_changes(struct connman_session *session)
{
struct session_info *info_last = session->info_last;
struct session_info *info = session->info;
if (session->append_all == TRUE)
return TRUE;
if (info->state != info_last->state)
return TRUE;
if (info->entry != info_last->entry &&
info->state >= CONNMAN_SESSION_STATE_CONNECTED)
return TRUE;
if (info->config.allowed_bearers != info_last->config.allowed_bearers ||
info->config.type != info_last->config.type)
return TRUE;
return FALSE;
}
static gboolean session_notify(gpointer user_data)
{
struct connman_session *session = user_data;
DBusMessage *msg;
DBusMessageIter array, dict;
if (compute_notifiable_changes(session) == FALSE)
return FALSE;
DBG("session %p owner %s notify_path %s", session,
session->owner, session->notify_path);
msg = dbus_message_new_method_call(session->owner, session->notify_path,
CONNMAN_NOTIFICATION_INTERFACE,
"Update");
if (msg == NULL)
return FALSE;
dbus_message_iter_init_append(msg, &array);
connman_dbus_dict_open(&array, &dict);
append_notify(&dict, session);
connman_dbus_dict_close(&array, &dict);
g_dbus_send_message(connection, msg);
return FALSE;
}
static void ipconfig_ipv4_changed(struct connman_session *session)
{
struct session_info *info = session->info;
connman_dbus_setting_changed_dict(session->owner, session->notify_path,
"IPv4", append_ipconfig_ipv4,
info->entry->service);
}
static void ipconfig_ipv6_changed(struct connman_session *session)
{
struct session_info *info = session->info;
connman_dbus_setting_changed_dict(session->owner, session->notify_path,
"IPv6", append_ipconfig_ipv6,
info->entry->service);
}
static connman_bool_t service_type_match(struct connman_session *session,
struct connman_service *service)
{
struct session_info *info = session->info;
GSList *list;
for (list = info->config.allowed_bearers;
list != NULL; list = list->next) {
enum connman_service_type bearer = GPOINTER_TO_INT(list->data);
enum connman_service_type service_type;
if (bearer == CONNMAN_SERVICE_TYPE_UNKNOWN)
return TRUE;
service_type = connman_service_get_type(service);
if (bearer == service_type)
return TRUE;
}
return FALSE;
}
static connman_bool_t service_match(struct connman_session *session,
struct connman_service *service)
{
if (service_type_match(session, service) == FALSE)
return FALSE;
return TRUE;
}
static int service_type_weight(enum connman_service_type type)
{
/*
* The session doesn't care which service
* to use. Nevertheless we have to sort them
* according their type. The ordering is
*
* 1. Ethernet
* 2. Bluetooth
* 3. WiFi
* 4. LoWPAN
* 5. Cellular
*/
switch (type) {
case CONNMAN_SERVICE_TYPE_ETHERNET:
return 5;
case CONNMAN_SERVICE_TYPE_BLUETOOTH:
return 4;
case CONNMAN_SERVICE_TYPE_WIFI:
return 3;
case CONNMAN_SERVICE_TYPE_LOWPAN:
return 2;
case CONNMAN_SERVICE_TYPE_CELLULAR:
return 1;
case CONNMAN_SERVICE_TYPE_UNKNOWN:
case CONNMAN_SERVICE_TYPE_SYSTEM:
case CONNMAN_SERVICE_TYPE_GPS:
case CONNMAN_SERVICE_TYPE_VPN:
case CONNMAN_SERVICE_TYPE_GADGET:
break;
}
return 0;
}
static gint sort_allowed_bearers(struct connman_service *service_a,
struct connman_service *service_b,
struct connman_session *session)
{
struct session_info *info = session->info;
GSList *list;
enum connman_service_type type_a, type_b;
int weight_a, weight_b;
type_a = connman_service_get_type(service_a);
type_b = connman_service_get_type(service_b);
for (list = info->config.allowed_bearers;
list != NULL; list = list->next) {
enum connman_service_type bearer = GPOINTER_TO_INT(list->data);
if (bearer == CONNMAN_SERVICE_TYPE_UNKNOWN) {
if (type_a != type_b) {
weight_a = service_type_weight(type_a);
weight_b = service_type_weight(type_b);
if (weight_a > weight_b)
return -1;
if (weight_a < weight_b)
return 1;
return 0;
}
}
if (type_a == bearer && type_b == bearer)
return 0;
if (type_a == bearer && type_b != bearer)
return -1;
if (type_a != bearer && type_b == bearer)
return 1;
}
return 0;
}
static gint sort_services(gconstpointer a, gconstpointer b, gpointer user_data)
{
struct service_entry *entry_a = (void *)a;
struct service_entry *entry_b = (void *)b;
struct connman_session *session = user_data;
return sort_allowed_bearers(entry_a->service, entry_b->service,
session);
}
static enum connman_session_state service_to_session_state(enum connman_service_state state)
{
switch (state) {
case CONNMAN_SERVICE_STATE_UNKNOWN:
case CONNMAN_SERVICE_STATE_IDLE:
case CONNMAN_SERVICE_STATE_ASSOCIATION:
case CONNMAN_SERVICE_STATE_CONFIGURATION:
case CONNMAN_SERVICE_STATE_DISCONNECT:
case CONNMAN_SERVICE_STATE_FAILURE:
break;
case CONNMAN_SERVICE_STATE_READY:
return CONNMAN_SESSION_STATE_CONNECTED;
case CONNMAN_SERVICE_STATE_ONLINE:
return CONNMAN_SESSION_STATE_ONLINE;
}
return CONNMAN_SESSION_STATE_DISCONNECTED;
}
static connman_bool_t is_connected(enum connman_service_state state)
{
switch (state) {
case CONNMAN_SERVICE_STATE_UNKNOWN:
case CONNMAN_SERVICE_STATE_IDLE:
case CONNMAN_SERVICE_STATE_ASSOCIATION:
case CONNMAN_SERVICE_STATE_CONFIGURATION:
case CONNMAN_SERVICE_STATE_DISCONNECT:
case CONNMAN_SERVICE_STATE_FAILURE:
break;
case CONNMAN_SERVICE_STATE_READY:
case CONNMAN_SERVICE_STATE_ONLINE:
return TRUE;
}
return FALSE;
}
static connman_bool_t is_connecting(enum connman_service_state state)
{
switch (state) {
case CONNMAN_SERVICE_STATE_UNKNOWN:
case CONNMAN_SERVICE_STATE_IDLE:
break;
case CONNMAN_SERVICE_STATE_ASSOCIATION:
case CONNMAN_SERVICE_STATE_CONFIGURATION:
return TRUE;
case CONNMAN_SERVICE_STATE_DISCONNECT:
case CONNMAN_SERVICE_STATE_FAILURE:
case CONNMAN_SERVICE_STATE_READY:
case CONNMAN_SERVICE_STATE_ONLINE:
break;
}
return FALSE;
}
static connman_bool_t explicit_connect(enum connman_session_reason reason)
{
switch (reason) {
case CONNMAN_SESSION_REASON_UNKNOWN:
case CONNMAN_SESSION_REASON_FREE_RIDE:
break;
case CONNMAN_SESSION_REASON_CONNECT:
return TRUE;
}
return FALSE;
}
static connman_bool_t explicit_disconnect(struct session_info *info)
{
if (info->entry == NULL)
return FALSE;
DBG("reason %s service %p state %d",
reason2string(info->entry->reason),
info->entry->service, info->entry->state);
if (info->entry->reason == CONNMAN_SESSION_REASON_UNKNOWN)
return FALSE;
if (explicit_connect(info->entry->reason) == FALSE)
return FALSE;
if (__connman_service_session_dec(info->entry->service) == FALSE)
return FALSE;
return TRUE;
}
struct pending_data {
unsigned int timeout;
struct service_entry *entry;
gboolean (*cb)(gpointer);
};
static void pending_timeout_free(gpointer data, gpointer user_data)
{
struct pending_data *pending = data;
DBG("pending %p timeout %d", pending, pending->timeout);
g_source_remove(pending->timeout);
g_free(pending);
}
static void pending_timeout_remove_all(struct service_entry *entry)
{
DBG("");
g_slist_foreach(entry->pending_timeouts, pending_timeout_free, NULL);
g_slist_free(entry->pending_timeouts);
entry->pending_timeouts = NULL;
}
static gboolean pending_timeout_cb(gpointer data)
{
struct pending_data *pending = data;
struct service_entry *entry = pending->entry;
gboolean ret;
DBG("pending %p timeout %d", pending, pending->timeout);
ret = pending->cb(pending->entry);
if (ret == FALSE) {
entry->pending_timeouts =
g_slist_remove(entry->pending_timeouts,
pending);
g_free(pending);
}
return ret;
}
static connman_bool_t pending_timeout_add(unsigned int seconds,
gboolean (*cb)(gpointer),
struct service_entry *entry)
{
struct pending_data *pending = g_try_new0(struct pending_data, 1);
if (pending == NULL || cb == NULL || entry == NULL) {
g_free(pending);
return FALSE;
}
pending->cb = cb;
pending->entry = entry;
pending->timeout = g_timeout_add_seconds(seconds, pending_timeout_cb,
pending);
entry->pending_timeouts = g_slist_prepend(entry->pending_timeouts,
pending);
DBG("pending %p entry %p timeout id %d", pending, entry,
pending->timeout);
return TRUE;
}
static gboolean call_disconnect(gpointer user_data)
{
struct service_entry *entry = user_data;
struct connman_service *service = entry->service;
/*
* TODO: We should mark this entry as pending work. In case
* disconnect fails we just unassign this session from the
* service and can't do anything later on it
*/
DBG("disconnect service %p", service);
__connman_service_disconnect(service);
return FALSE;
}
static gboolean call_connect(gpointer user_data)
{
struct service_entry *entry = user_data;
struct connman_service *service = entry->service;
DBG("connect service %p", service);
__connman_service_connect(service);
return FALSE;
}
static void deselect_service(struct session_info *info)
{
struct service_entry *entry;
connman_bool_t disconnect, connected;
DBG("");
if (info->entry == NULL)
return;
disconnect = explicit_disconnect(info);
connected = is_connecting(info->entry->state) == TRUE ||
is_connected(info->entry->state) == TRUE;
info->state = CONNMAN_SESSION_STATE_DISCONNECTED;
info->entry->reason = CONNMAN_SESSION_REASON_UNKNOWN;
entry = info->entry;
info->entry = NULL;
DBG("disconnect %d connected %d", disconnect, connected);
if (disconnect == TRUE && connected == TRUE)
pending_timeout_add(0, call_disconnect, entry);
}
static void deselect_and_disconnect(struct connman_session *session)
{
struct session_info *info = session->info;
deselect_service(info);
info->reason = CONNMAN_SESSION_REASON_FREE_RIDE;
}
static void select_connected_service(struct session_info *info,
struct service_entry *entry)
{
enum connman_session_state state;
state = service_to_session_state(entry->state);
if (is_type_matching_state(&state, info->config.type) == FALSE)
return;
info->state = state;
info->entry = entry;
info->entry->reason = info->reason;
if (explicit_connect(info->reason) == FALSE)
return;
__connman_service_session_inc(info->entry->service);
}
static void select_offline_service(struct session_info *info,
struct service_entry *entry)
{
if (explicit_connect(info->reason) == FALSE)
return;
info->state = service_to_session_state(entry->state);
info->entry = entry;
info->entry->reason = info->reason;
__connman_service_session_inc(info->entry->service);
pending_timeout_add(0, call_connect, entry);
}
static void select_service(struct session_info *info,
struct service_entry *entry)
{
DBG("service %p", entry->service);
if (is_connected(entry->state) == TRUE)
select_connected_service(info, entry);
else
select_offline_service(info, entry);
}
static void select_and_connect(struct connman_session *session,
enum connman_session_reason reason)
{
struct session_info *info = session->info;
struct service_entry *entry = NULL;
GSequenceIter *iter;
DBG("session %p reason %s", session, reason2string(reason));
info->reason = reason;
iter = g_sequence_get_begin_iter(session->service_list);
while (g_sequence_iter_is_end(iter) == FALSE) {
entry = g_sequence_get(iter);
switch (entry->state) {
case CONNMAN_SERVICE_STATE_ASSOCIATION:
case CONNMAN_SERVICE_STATE_CONFIGURATION:
case CONNMAN_SERVICE_STATE_READY:
case CONNMAN_SERVICE_STATE_ONLINE:
case CONNMAN_SERVICE_STATE_IDLE:
case CONNMAN_SERVICE_STATE_DISCONNECT:
select_service(info, entry);
return;
case CONNMAN_SERVICE_STATE_UNKNOWN:
case CONNMAN_SERVICE_STATE_FAILURE:
break;
}
iter = g_sequence_iter_next(iter);
}
}
static struct service_entry *create_service_entry(struct connman_service *service,
const char *name,
enum connman_service_state state)
{
struct service_entry *entry;
enum connman_service_type type;
int idx;
entry = g_try_new0(struct service_entry, 1);
if (entry == NULL)
return entry;
entry->reason = CONNMAN_SESSION_REASON_UNKNOWN;
entry->state = state;
if (name != NULL)
entry->name = name;
else
entry->name = "";
entry->service = service;
idx = __connman_service_get_index(entry->service);
entry->ifname = connman_inet_ifname(idx);
if (entry->ifname == NULL)
entry->ifname = g_strdup("");
type = connman_service_get_type(entry->service);
entry->bearer = service2bearer(type);
return entry;
}
static void destroy_service_entry(gpointer data)
{
struct service_entry *entry = data;
pending_timeout_remove_all(entry);
g_free(entry->ifname);
g_free(entry);
}
static void populate_service_list(struct connman_session *session)
{
struct service_entry *entry;
GSequenceIter *iter;
session->service_hash =
g_hash_table_new_full(g_direct_hash, g_direct_equal,
NULL, NULL);
session->service_list = __connman_service_get_list(session,
service_match,
create_service_entry,
destroy_service_entry);
g_sequence_sort(session->service_list, sort_services, session);
iter = g_sequence_get_begin_iter(session->service_list);
while (g_sequence_iter_is_end(iter) == FALSE) {
entry = g_sequence_get(iter);
DBG("service %p type %s name %s", entry->service,
service2bearer(connman_service_get_type(entry->service)),
entry->name);
g_hash_table_replace(session->service_hash,
entry->service, iter);
iter = g_sequence_iter_next(iter);
}
}
static void session_changed(struct connman_session *session,
enum connman_session_trigger trigger)
{
struct session_info *info = session->info;
struct session_info *info_last = session->info_last;
GSequenceIter *service_iter = NULL, *service_iter_last = NULL;
GSequence *service_list_last;
GHashTable *service_hash_last;
/*
* TODO: This only a placeholder for the 'real' algorithm to
* play a bit around. So we are going to improve it step by step.
*/
DBG("session %p trigger %s reason %s", session, trigger2string(trigger),
reason2string(info->reason));
if (info->entry != NULL) {
enum connman_session_state state;
state = service_to_session_state(info->entry->state);
if (is_type_matching_state(&state, info->config.type) == TRUE)
info->state = state;
}
switch (trigger) {
case CONNMAN_SESSION_TRIGGER_UNKNOWN:
DBG("ignore session changed event");
return;
case CONNMAN_SESSION_TRIGGER_SETTING:
if (info->config.allowed_bearers != info_last->config.allowed_bearers) {
service_hash_last = session->service_hash;
service_list_last = session->service_list;
populate_service_list(session);
if (info->entry != NULL) {
service_iter_last = g_hash_table_lookup(
service_hash_last,
info->entry->service);
service_iter = g_hash_table_lookup(
session->service_hash,
info->entry->service);
}
if (service_iter == NULL && service_iter_last != NULL) {
/*
* The currently selected service is
* not part of this session anymore.
*/
deselect_and_disconnect(session);
}
g_hash_table_remove_all(service_hash_last);
g_sequence_free(service_list_last);
}
if (info->config.type != info_last->config.type) {
if (info->state >= CONNMAN_SESSION_STATE_CONNECTED &&
is_type_matching_state(&info->state,
info->config.type) == FALSE)
deselect_and_disconnect(session);
}
if (info->state == CONNMAN_SESSION_STATE_DISCONNECTED) {
select_and_connect(session,
CONNMAN_SESSION_REASON_FREE_RIDE);
}
break;
case CONNMAN_SESSION_TRIGGER_ECALL:
/*
* For the time beeing we fallback to normal connect
* strategy.
*/
case CONNMAN_SESSION_TRIGGER_CONNECT:
if (info->state >= CONNMAN_SESSION_STATE_CONNECTED) {
if (info->entry->reason == CONNMAN_SESSION_REASON_CONNECT)
break;
info->entry->reason = CONNMAN_SESSION_REASON_CONNECT;
__connman_service_session_inc(info->entry->service);
break;
}
if (info->entry != NULL &&
is_connecting(info->entry->state) == TRUE) {
break;
}
select_and_connect(session,
CONNMAN_SESSION_REASON_CONNECT);
break;
case CONNMAN_SESSION_TRIGGER_DISCONNECT:
deselect_and_disconnect(session);
break;
case CONNMAN_SESSION_TRIGGER_SERVICE:
if (info->entry != NULL &&
(is_connecting(info->entry->state) == TRUE ||
is_connected(info->entry->state) == TRUE)) {
break;
}
deselect_and_disconnect(session);
if (info->reason == CONNMAN_SESSION_REASON_FREE_RIDE) {
select_and_connect(session, info->reason);
}
break;
}
session_notify(session);
}
int connman_session_config_update(struct connman_session *session)
{
struct session_info *info = session->info;
GSList *allowed_bearers;
int err;
DBG("session %p", session);
/*
* We update all configuration even though only one entry
* might have changed. We can still optimize this later.
*/
err = apply_policy_on_bearers(
session->policy_config->allowed_bearers,
session->user_allowed_bearers,
&allowed_bearers);
if (err < 0)
return err;
g_slist_free(info->config.allowed_bearers);
info->config.allowed_bearers = allowed_bearers;
info->config.type = apply_policy_on_type(
session->policy_config->type,
info->config.type);
info->config.roaming_policy = session->policy_config->roaming_policy;
info->config.ecall = session->policy_config->ecall;
if (info->config.ecall == TRUE)
ecall_session = session;
info->config.priority = session->policy_config->priority;
session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
return 0;
}
static DBusMessage *connect_session(DBusConnection *conn,
DBusMessage *msg, void *user_data)
{
struct connman_session *session = user_data;
DBG("session %p", session);
if (ecall_session != NULL) {
if (ecall_session->ecall == TRUE && ecall_session != session)
return __connman_error_failed(msg, EBUSY);
session->ecall = TRUE;
session_changed(session, CONNMAN_SESSION_TRIGGER_ECALL);
} else
session_changed(session, CONNMAN_SESSION_TRIGGER_CONNECT);
return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
}
static DBusMessage *disconnect_session(DBusConnection *conn,
DBusMessage *msg, void *user_data)
{
struct connman_session *session = user_data;
DBG("session %p", session);
if (ecall_session != NULL) {
if (ecall_session->ecall == TRUE && ecall_session != session)
return __connman_error_failed(msg, EBUSY);
session->ecall = FALSE;
}
session_changed(session, CONNMAN_SESSION_TRIGGER_DISCONNECT);
return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
}
static DBusMessage *change_session(DBusConnection *conn,
DBusMessage *msg, void *user_data)
{
struct connman_session *session = user_data;
struct session_info *info = session->info;
DBusMessageIter iter, value;
const char *name;
const char *val;
GSList *allowed_bearers;
int err;
DBG("session %p", session);
if (dbus_message_iter_init(msg, &iter) == FALSE)
return __connman_error_invalid_arguments(msg);
if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
return __connman_error_invalid_arguments(msg);
dbus_message_iter_get_basic(&iter, &name);
dbus_message_iter_next(&iter);
if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
return __connman_error_invalid_arguments(msg);
dbus_message_iter_recurse(&iter, &value);
switch (dbus_message_iter_get_arg_type(&value)) {
case DBUS_TYPE_ARRAY:
if (g_str_equal(name, "AllowedBearers") == TRUE) {
err = parse_bearers(&value, &allowed_bearers);
if (err < 0)
return __connman_error_failed(msg, err);
g_slist_free(info->config.allowed_bearers);
session->user_allowed_bearers = allowed_bearers;
err = apply_policy_on_bearers(
session->policy_config->allowed_bearers,
session->user_allowed_bearers,
&info->config.allowed_bearers);
if (err < 0)
return __connman_error_failed(msg, err);
} else {
goto err;
}
break;
case DBUS_TYPE_STRING:
if (g_str_equal(name, "ConnectionType") == TRUE) {
dbus_message_iter_get_basic(&value, &val);
info->config.type = apply_policy_on_type(
session->policy_config->type,
connman_session_parse_connection_type(val));
} else {
goto err;
}
break;
default:
goto err;
}
session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
err:
return __connman_error_invalid_arguments(msg);
}
static void release_session(gpointer key, gpointer value, gpointer user_data)
{
struct connman_session *session = value;
DBusMessage *message;
DBG("owner %s path %s", session->owner, session->notify_path);
if (session->notify_watch > 0)
g_dbus_remove_watch(connection, session->notify_watch);
g_dbus_unregister_interface(connection, session->session_path,
CONNMAN_SESSION_INTERFACE);
message = dbus_message_new_method_call(session->owner,
session->notify_path,
CONNMAN_NOTIFICATION_INTERFACE,
"Release");
if (message == NULL)
return;
dbus_message_set_no_reply(message, TRUE);
g_dbus_send_message(connection, message);
}
static int session_disconnect(struct connman_session *session)
{
DBG("session %p, %s", session, session->owner);
if (session->notify_watch > 0)
g_dbus_remove_watch(connection, session->notify_watch);
g_dbus_unregister_interface(connection, session->session_path,
CONNMAN_SESSION_INTERFACE);
deselect_and_disconnect(session);
g_hash_table_remove(session_hash, session->session_path);
return 0;
}
static void owner_disconnect(DBusConnection *conn, void *user_data)
{
struct connman_session *session = user_data;
DBG("session %p, %s died", session, session->owner);
session_disconnect(session);
}
static DBusMessage *destroy_session(DBusConnection *conn,
DBusMessage *msg, void *user_data)
{
struct connman_session *session = user_data;
DBG("session %p", session);
if (ecall_session != NULL && ecall_session != session)
return __connman_error_failed(msg, EBUSY);
session_disconnect(session);
return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
}
static const GDBusMethodTable session_methods[] = {
{ GDBUS_METHOD("Destroy", NULL, NULL, destroy_session) },
{ GDBUS_METHOD("Connect", NULL, NULL, connect_session) },
{ GDBUS_METHOD("Disconnect", NULL, NULL,
disconnect_session ) },
{ GDBUS_METHOD("Change",
GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
NULL, change_session) },
{ },
};
static int session_create_cb(struct connman_session *session,
struct connman_session_config *config,
void *user_data, int err)
{
DBusMessage *reply;
struct user_config *user_config = user_data;
struct session_info *info, *info_last;
DBG("session %p config %p", session, config);
if (err != 0)
goto out;
session->policy_config = config;
info = session->info;
info_last = session->info_last;
if (session->policy_config->ecall == TRUE)
ecall_session = session;
info->state = CONNMAN_SESSION_STATE_DISCONNECTED;
info->config.type = apply_policy_on_type(
session->policy_config->type,
user_config->type);
info->config.priority = session->policy_config->priority;
info->config.roaming_policy = session->policy_config->roaming_policy;
info->entry = NULL;
session->user_allowed_bearers = user_config->allowed_bearers;
user_config->allowed_bearers = NULL;
err = apply_policy_on_bearers(
session->policy_config->allowed_bearers,
session->user_allowed_bearers,
&info->config.allowed_bearers);
if (err < 0)
goto out;
g_hash_table_replace(session_hash, session->session_path, session);
DBG("add %s", session->session_path);
if (g_dbus_register_interface(connection, session->session_path,
CONNMAN_SESSION_INTERFACE,
session_methods, NULL,
NULL, session, NULL) == FALSE) {
connman_error("Failed to register %s", session->session_path);
g_hash_table_remove(session_hash, session->session_path);
err = -EINVAL;
goto out;
}
reply = g_dbus_create_reply(user_config->pending,
DBUS_TYPE_OBJECT_PATH, &session->session_path,
DBUS_TYPE_INVALID);
g_dbus_send_message(connection, reply);
user_config->pending = NULL;
populate_service_list(session);
info_last->state = info->state;
info_last->config.priority = info->config.priority;
info_last->config.roaming_policy = info->config.roaming_policy;
info_last->entry = info->entry;
info_last->config.allowed_bearers = info->config.allowed_bearers;
session->append_all = TRUE;
session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
out:
if (err < 0) {
reply = __connman_error_failed(user_config->pending, -err);
g_dbus_send_message(connection, reply);
free_session(session);
}
cleanup_user_config(user_config);
return err;
}
int __connman_session_create(DBusMessage *msg)
{
const char *owner, *notify_path;
char *session_path = NULL;
DBusMessageIter iter, array;
struct connman_session *session = NULL;
struct user_config *user_config = NULL;
connman_bool_t user_allowed_bearers = FALSE;
connman_bool_t user_connection_type = FALSE;
int err;
owner = dbus_message_get_sender(msg);
DBG("owner %s", owner);
if (ecall_session != NULL && ecall_session->ecall == TRUE) {
/*
* If there is an emergency call already going on,
* ignore session creation attempt
*/
err = -EBUSY;
goto err;
}
user_config = g_try_new0(struct user_config, 1);
if (user_config == NULL) {
err = -ENOMEM;
goto err;
}
user_config->pending = dbus_message_ref(msg);
dbus_message_iter_init(msg, &iter);
dbus_message_iter_recurse(&iter, &array);
while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
DBusMessageIter entry, value;
const char *key, *val;
dbus_message_iter_recurse(&array, &entry);
dbus_message_iter_get_basic(&entry, &key);
dbus_message_iter_next(&entry);
dbus_message_iter_recurse(&entry, &value);
switch (dbus_message_iter_get_arg_type(&value)) {
case DBUS_TYPE_ARRAY:
if (g_str_equal(key, "AllowedBearers") == TRUE) {
err = parse_bearers(&value,
&user_config->allowed_bearers);
if (err < 0)
goto err;
user_allowed_bearers = TRUE;
} else {
err = -EINVAL;
goto err;
}
break;
case DBUS_TYPE_STRING:
if (g_str_equal(key, "ConnectionType") == TRUE) {
dbus_message_iter_get_basic(&value, &val);
user_config->type =
connman_session_parse_connection_type(val);
user_connection_type = TRUE;
} else {
err = -EINVAL;
goto err;
}
}
dbus_message_iter_next(&array);
}
/*
* If the user hasn't provided a configuration, we set
* the default configuration.
*
* For AllowedBearers this is '*', ...
*/
if (user_allowed_bearers == FALSE) {
user_config->allowed_bearers =
g_slist_append(NULL,
GINT_TO_POINTER(CONNMAN_SERVICE_TYPE_UNKNOWN));
if (user_config->allowed_bearers == NULL) {
err = -ENOMEM;
goto err;
}
}
/* ... and for ConnectionType it is 'any'. */
if (user_connection_type == FALSE)
user_config->type = CONNMAN_SESSION_TYPE_ANY;
dbus_message_iter_next(&iter);
dbus_message_iter_get_basic(&iter, &notify_path);
if (notify_path == NULL) {
err = -EINVAL;
goto err;
}
session_path = g_strdup_printf("/sessions%s", notify_path);
if (session_path == NULL) {
err = -ENOMEM;
goto err;
}
session = g_hash_table_lookup(session_hash, session_path);
if (session != NULL) {
g_free(session_path);
session = NULL;
err = -EEXIST;
goto err;
}
session = g_try_new0(struct connman_session, 1);
if (session == NULL) {
g_free(session_path);
err = -ENOMEM;
goto err;
}
session->session_path = session_path;
session->info = g_try_new0(struct session_info, 1);
if (session->info == NULL) {
err = -ENOMEM;
goto err;
}
session->info_last = g_try_new0(struct session_info, 1);
if (session->info_last == NULL) {
err = -ENOMEM;
goto err;
}
session->owner = g_strdup(owner);
session->notify_path = g_strdup(notify_path);
session->notify_watch =
g_dbus_add_disconnect_watch(connection, session->owner,
owner_disconnect, session, NULL);
err = assign_policy_plugin(session);
if (err < 0)
goto err;
err = create_policy_config(session, session_create_cb, user_config);
if (err < 0 && err != -EINPROGRESS)
return err;
return -EINPROGRESS;
err:
connman_error("Failed to create session");
free_session(session);
cleanup_user_config(user_config);
return err;
}
void connman_session_destroy(struct connman_session *session)
{
DBG("session %p", session);
session_disconnect(session);
}
int __connman_session_destroy(DBusMessage *msg)
{
const char *owner, *session_path;
struct connman_session *session;
owner = dbus_message_get_sender(msg);
DBG("owner %s", owner);
dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &session_path,
DBUS_TYPE_INVALID);
if (session_path == NULL)
return -EINVAL;
session = g_hash_table_lookup(session_hash, session_path);
if (session == NULL)
return -EINVAL;
if (g_strcmp0(owner, session->owner) != 0)
return -EACCES;
connman_session_destroy(session);
return 0;
}
connman_bool_t __connman_session_mode()
{
return sessionmode;
}
void __connman_session_set_mode(connman_bool_t enable)
{
DBG("enable %d", enable);
if (sessionmode != enable) {
sessionmode = enable;
connman_dbus_property_changed_basic(CONNMAN_MANAGER_PATH,
CONNMAN_MANAGER_INTERFACE, "SessionMode",
DBUS_TYPE_BOOLEAN, &sessionmode);
}
if (sessionmode == TRUE)
__connman_service_disconnect_all();
}
static void service_add(struct connman_service *service,
const char *name)
{
GHashTableIter iter;
GSequenceIter *iter_service_list;
gpointer key, value;
struct connman_session *session;
struct service_entry *entry;
DBG("service %p", service);
g_hash_table_iter_init(&iter, session_hash);
while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
session = value;
if (service_match(session, service) == FALSE)
continue;
entry = create_service_entry(service, name,
CONNMAN_SERVICE_STATE_IDLE);
if (entry == NULL)
continue;
iter_service_list =
g_sequence_insert_sorted(session->service_list,
entry, sort_services,
session);
g_hash_table_replace(session->service_hash, service,
iter_service_list);
session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
}
}
static void service_remove(struct connman_service *service)
{
GHashTableIter iter;
gpointer key, value;
struct connman_session *session;
struct session_info *info;
DBG("service %p", service);
g_hash_table_iter_init(&iter, session_hash);
while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
GSequenceIter *seq_iter;
session = value;
info = session->info;
seq_iter = g_hash_table_lookup(session->service_hash, service);
if (seq_iter == NULL)
continue;
g_sequence_remove(seq_iter);
if (info->entry != NULL && info->entry->service == service)
info->entry = NULL;
session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
}
}
static void service_state_changed(struct connman_service *service,
enum connman_service_state state)
{
GHashTableIter iter;
gpointer key, value;
DBG("service %p state %d", service, state);
g_hash_table_iter_init(&iter, session_hash);
while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
struct connman_session *session = value;
GSequenceIter *service_iter;
service_iter = g_hash_table_lookup(session->service_hash, service);
if (service_iter != NULL) {
struct service_entry *entry;
entry = g_sequence_get(service_iter);
entry->state = state;
}
session_changed(session,
CONNMAN_SESSION_TRIGGER_SERVICE);
}
}
static void ipconfig_changed(struct connman_service *service,
struct connman_ipconfig *ipconfig)
{
GHashTableIter iter;
gpointer key, value;
struct connman_session *session;
struct session_info *info;
enum connman_ipconfig_type type;
DBG("service %p ipconfig %p", service, ipconfig);
type = __connman_ipconfig_get_config_type(ipconfig);
g_hash_table_iter_init(&iter, session_hash);
while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
session = value;
info = session->info;
if (info->state == CONNMAN_SESSION_STATE_DISCONNECTED)
continue;
if (info->entry != NULL && info->entry->service == service) {
if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
ipconfig_ipv4_changed(session);
else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
ipconfig_ipv6_changed(session);
}
}
}
static struct connman_notifier session_notifier = {
.name = "session",
.service_add = service_add,
.service_remove = service_remove,
.service_state_changed = service_state_changed,
.ipconfig_changed = ipconfig_changed,
};
int __connman_session_init(void)
{
int err;
DBG("");
connection = connman_dbus_get_connection();
if (connection == NULL)
return -1;
err = connman_notifier_register(&session_notifier);
if (err < 0) {
dbus_connection_unref(connection);
return err;
}
session_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
NULL, cleanup_session);
sessionmode = FALSE;
return 0;
}
void __connman_session_cleanup(void)
{
DBG("");
if (connection == NULL)
return;
connman_notifier_unregister(&session_notifier);
g_hash_table_foreach(session_hash, release_session, NULL);
g_hash_table_destroy(session_hash);
session_hash = NULL;
dbus_connection_unref(connection);
}