diff options
Diffstat (limited to 'src/notification_proxy.c')
-rw-r--r-- | src/notification_proxy.c | 253 |
1 files changed, 107 insertions, 146 deletions
diff --git a/src/notification_proxy.c b/src/notification_proxy.c index 80a82c4..60b2e03 100644 --- a/src/notification_proxy.c +++ b/src/notification_proxy.c @@ -8,17 +8,20 @@ * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. - * + * * This library 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 * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif #include <string.h> #include <stdlib.h> #include <unistd.h> @@ -26,7 +29,11 @@ #include "notification_proxy.h" #include "property_list_service.h" -#include "debug.h" +#include "common/debug.h" + +#ifdef WIN32 +#define sleep(x) Sleep(x*1000) +#endif struct np_thread { np_client_t client; @@ -41,19 +48,19 @@ struct np_thread { */ static void np_lock(np_client_t client) { - debug_info("NP: Locked"); - g_mutex_lock(client->mutex); + debug_info("Locked"); + mutex_lock(&client->mutex); } /** * Unlocks a notification_proxy client, used for thread safety. - * + * * @param client notification_proxy client to unlock */ static void np_unlock(np_client_t client) { - debug_info("NP: Unlocked"); - g_mutex_unlock(client->mutex); + debug_info("Unlocked"); + mutex_unlock(&client->mutex); } /** @@ -82,78 +89,85 @@ static np_error_t np_error(property_list_service_error_t err) return NP_E_UNKNOWN_ERROR; } -/** - * Connects to the notification_proxy on the specified device. - * - * @param device The device to connect to. - * @param port Destination port (usually given by lockdownd_start_service). - * @param client Pointer that will be set to a newly allocated np_client_t - * upon successful return. - * - * @return NP_E_SUCCESS on success, NP_E_INVALID_ARG when device is NULL, - * or NP_E_CONN_FAILED when the connection to the device could not be - * established. - */ -np_error_t np_client_new(idevice_t device, uint16_t port, np_client_t *client) +np_error_t np_client_new(idevice_t device, lockdownd_service_descriptor_t service, np_client_t *client) { - /* makes sure thread environment is available */ - if (!g_thread_supported()) - g_thread_init(NULL); - - if (!device) - return NP_E_INVALID_ARG; - property_list_service_client_t plistclient = NULL; - if (property_list_service_client_new(device, port, &plistclient) != PROPERTY_LIST_SERVICE_E_SUCCESS) { - return NP_E_CONN_FAILED; + np_error_t err = np_error(property_list_service_client_new(device, service, &plistclient)); + if (err != NP_E_SUCCESS) { + return err; } np_client_t client_loc = (np_client_t) malloc(sizeof(struct np_client_private)); client_loc->parent = plistclient; - client_loc->mutex = g_mutex_new(); - - client_loc->notifier = NULL; + mutex_init(&client_loc->mutex); + client_loc->notifier = THREAD_T_NULL; *client = client_loc; return NP_E_SUCCESS; } -/** - * Disconnects a notification_proxy client from the device and frees up the - * notification_proxy client data. - * - * @param client The notification_proxy client to disconnect and free. - * - * @return NP_E_SUCCESS on success, or NP_E_INVALID_ARG when client is NULL. - */ +np_error_t np_client_start_service(idevice_t device, np_client_t* client, const char* label) +{ + np_error_t err = NP_E_UNKNOWN_ERROR; + service_client_factory_start_service(device, NP_SERVICE_NAME, (void**)client, label, SERVICE_CONSTRUCTOR(np_client_new), &err); + return err; +} + np_error_t np_client_free(np_client_t client) { + plist_t dict; + property_list_service_client_t parent; + if (!client) return NP_E_INVALID_ARG; - property_list_service_client_free(client->parent); + dict = plist_new_dict(); + plist_dict_set_item(dict,"Command", plist_new_string("Shutdown")); + property_list_service_send_xml_plist(client->parent, dict); + plist_free(dict); + + parent = client->parent; + /* notifies the client->notifier thread that it should terminate */ client->parent = NULL; + if (client->notifier) { debug_info("joining np callback"); - g_thread_join(client->notifier); - } - if (client->mutex) { - g_mutex_free(client->mutex); + thread_join(client->notifier); + thread_free(client->notifier); + client->notifier = THREAD_T_NULL; + } else { + dict = NULL; + property_list_service_receive_plist(parent, &dict); + if (dict) { +#ifndef STRIP_DEBUG_CODE + char *cmd_value = NULL; + plist_t cmd_value_node = plist_dict_get_item(dict, "Command"); + if (plist_get_node_type(cmd_value_node) == PLIST_STRING) { + plist_get_string_val(cmd_value_node, &cmd_value); + } + if (cmd_value && !strcmp(cmd_value, "ProxyDeath")) { + // this is the expected answer + } else { + debug_info("Did not get ProxyDeath but:"); + debug_plist(dict); + } + if (cmd_value) { + free(cmd_value); + } +#endif + plist_free(dict); + } } + + property_list_service_client_free(parent); + + mutex_destroy(&client->mutex); free(client); return NP_E_SUCCESS; } -/** - * Sends a notification to the device's notification_proxy. - * - * @param client The client to send to - * @param notification The notification message to send - * - * @return NP_E_SUCCESS on success, or an error returned by np_plist_send - */ np_error_t np_post_notification(np_client_t client, const char *notification) { if (!client || !notification) { @@ -162,66 +176,24 @@ np_error_t np_post_notification(np_client_t client, const char *notification) np_lock(client); plist_t dict = plist_new_dict(); - plist_dict_insert_item(dict,"Command", plist_new_string("PostNotification")); - plist_dict_insert_item(dict,"Name", plist_new_string(notification)); + plist_dict_set_item(dict,"Command", plist_new_string("PostNotification")); + plist_dict_set_item(dict,"Name", plist_new_string(notification)); np_error_t res = np_error(property_list_service_send_xml_plist(client->parent, dict)); plist_free(dict); - dict = plist_new_dict(); - plist_dict_insert_item(dict,"Command", plist_new_string("Shutdown")); - - res = np_error(property_list_service_send_xml_plist(client->parent, dict)); - plist_free(dict); - if (res != NP_E_SUCCESS) { debug_info("Error sending XML plist to device!"); } - - // try to read an answer, we just ignore errors here - dict = NULL; - property_list_service_receive_plist(client->parent, &dict); - if (dict) { -#ifndef STRIP_DEBUG_CODE - char *cmd_value = NULL; - plist_t cmd_value_node = plist_dict_get_item(dict, "Command"); - if (plist_get_node_type(cmd_value_node) == PLIST_STRING) { - plist_get_string_val(cmd_value_node, &cmd_value); - } - - if (cmd_value && !strcmp(cmd_value, "ProxyDeath")) { - // this is the expected answer - } else { - debug_plist(dict); - } - g_free(cmd_value); -#endif - plist_free(dict); - } - np_unlock(client); return res; } -/** - * Tells the device to send a notification on the specified event. - * - * @param client The client to send to - * @param notification The notifications that should be observed. - * - * @return NP_E_SUCCESS on success, NP_E_INVALID_ARG when client or - * notification are NULL, or an error returned by np_plist_send. - */ -np_error_t np_observe_notification( np_client_t client, const char *notification ) +static np_error_t internal_np_observe_notification(np_client_t client, const char *notification) { - if (!client || !notification) { - return NP_E_INVALID_ARG; - } - np_lock(client); - plist_t dict = plist_new_dict(); - plist_dict_insert_item(dict,"Command", plist_new_string("ObserveNotification")); - plist_dict_insert_item(dict,"Name", plist_new_string(notification)); + plist_dict_set_item(dict,"Command", plist_new_string("ObserveNotification")); + plist_dict_set_item(dict,"Name", plist_new_string(notification)); np_error_t res = np_error(property_list_service_send_xml_plist(client->parent, dict)); if (res != NP_E_SUCCESS) { @@ -229,21 +201,20 @@ np_error_t np_observe_notification( np_client_t client, const char *notification } plist_free(dict); + return res; +} + +np_error_t np_observe_notification( np_client_t client, const char *notification ) +{ + if (!client || !notification) { + return NP_E_INVALID_ARG; + } + np_lock(client); + np_error_t res = internal_np_observe_notification(client, notification); np_unlock(client); return res; } -/** - * Tells the device to send a notification on specified events. - * - * @param client The client to send to - * @param notification_spec Specification of the notifications that should be - * observed. This is expected to be an array of const char* that MUST have a - * terminating NULL entry. - * - * @return NP_E_SUCCESS on success, NP_E_INVALID_ARG when client is null, - * or an error returned by np_observe_notification. - */ np_error_t np_observe_notifications(np_client_t client, const char **notification_spec) { int i = 0; @@ -258,13 +229,15 @@ np_error_t np_observe_notifications(np_client_t client, const char **notificatio return NP_E_INVALID_ARG; } + np_lock(client); while (notifications[i]) { - res = np_observe_notification(client, notifications[i]); + res = internal_np_observe_notification(client, notifications[i]); if (res != NP_E_SUCCESS) { break; } i++; } + np_unlock(client); return res; } @@ -277,7 +250,7 @@ np_error_t np_observe_notifications(np_client_t client, const char **notificatio * with the notification that has been received. * * @return 0 if a notification has been received or nothing has been received, - * or a negative value if an error occured. + * or a negative value if an error occurred. * * @note You probably want to check out np_set_notify_callback * @see np_set_notify_callback @@ -292,11 +265,15 @@ static int np_get_notification(np_client_t client, char **notification) np_lock(client); - property_list_service_receive_plist_with_timeout(client->parent, &dict, 500); - if (!dict) { + property_list_service_error_t perr = property_list_service_receive_plist_with_timeout(client->parent, &dict, 500); + if (perr == PROPERTY_LIST_SERVICE_E_RECEIVE_TIMEOUT) { debug_info("NotificationProxy: no notification received!"); res = 0; - } else { + } else if (perr != PROPERTY_LIST_SERVICE_E_SUCCESS) { + debug_info("NotificationProxy: error %d occurred!", perr); + res = perr; + } + if (dict) { char *cmd_value = NULL; plist_t cmd_value_node = plist_dict_get_item(dict, "Command"); @@ -315,11 +292,11 @@ static int np_get_notification(np_client_t client, char **notification) res = -2; if (name_value_node && name_value) { *notification = name_value; - debug_info("got notification %s\n", __func__, name_value); + debug_info("got notification %s", __func__, name_value); res = 0; } } else if (cmd_value && !strcmp(cmd_value, "ProxyDeath")) { - debug_info("ERROR: NotificationProxy died!"); + debug_info("NotificationProxy died!"); res = -1; } else if (cmd_value) { debug_info("unknown NotificationProxy command '%s' received!", cmd_value); @@ -342,7 +319,7 @@ static int np_get_notification(np_client_t client, char **notification) /** * Internally used thread function. */ -gpointer np_notifier( gpointer arg ) +void* np_notifier( void* arg ) { char *notification = NULL; struct np_thread *npt = (struct np_thread*)arg; @@ -351,7 +328,10 @@ gpointer np_notifier( gpointer arg ) debug_info("starting callback."); while (npt->client->parent) { - np_get_notification(npt->client, ¬ification); + if (np_get_notification(npt->client, ¬ification) < 0) { + npt->cbfunc("", npt->user_data); + break; + } if (notification) { npt->cbfunc(notification, npt->user_data); free(notification); @@ -366,25 +346,6 @@ gpointer np_notifier( gpointer arg ) return NULL; } -/** - * This function allows an application to define a callback function that will - * be called when a notification has been received. - * It will start a thread that polls for notifications and calls the callback - * function if a notification has been received. - * - * @param client the NP client - * @param notify_cb pointer to a callback function or NULL to de-register a - * previously set callback function. - * @param user_data Pointer that will be passed to the callback function as - * user data. If notify_cb is NULL, this parameter is ignored. - * - * @note Only one callback function can be registered at the same time; - * any previously set callback function will be removed automatically. - * - * @return NP_E_SUCCESS when the callback was successfully registered, - * NP_E_INVALID_ARG when client is NULL, or NP_E_UNKNOWN_ERROR when - * the callback thread could no be created. - */ np_error_t np_set_notify_callback( np_client_t client, np_notify_cb_t notify_cb, void *user_data ) { if (!client) @@ -394,11 +355,12 @@ np_error_t np_set_notify_callback( np_client_t client, np_notify_cb_t notify_cb, np_lock(client); if (client->notifier) { - debug_info("callback already set, removing\n"); + debug_info("callback already set, removing"); property_list_service_client_t parent = client->parent; client->parent = NULL; - g_thread_join(client->notifier); - client->notifier = NULL; + thread_join(client->notifier); + thread_free(client->notifier); + client->notifier = THREAD_T_NULL; client->parent = parent; } @@ -409,8 +371,7 @@ np_error_t np_set_notify_callback( np_client_t client, np_notify_cb_t notify_cb, npt->cbfunc = notify_cb; npt->user_data = user_data; - client->notifier = g_thread_create(np_notifier, npt, TRUE, NULL); - if (client->notifier) { + if (thread_new(&client->notifier, np_notifier, npt) == 0) { res = NP_E_SUCCESS; } } |