Improve thumb-server
[platform/core/multimedia/libmedia-thumbnail.git] / server / thumb-server-internal.c
index 287a3da..8aecc6b 100755 (executable)
 #define THUMB_COMM_SOCK_PATH tzplatform_mkpath(TZ_SYS_RUN, "media-server/media_ipc_thumbcomm.socket")
 #define THUMB_EMPTY_STR ""
 
-GMainLoop *g_thumb_server_mainloop; // defined in thumb-server.c as extern
-
-static gboolean __thumb_server_send_msg_to_agent(int msg_type);
-static gboolean _thumb_server_send_deny_message(int sockfd);
-
-gboolean _thumb_daemon_start_jobs(gpointer data)
-{
-       thumb_dbg("");
-       __thumb_server_send_msg_to_agent(MS_MSG_THUMB_SERVER_READY);
-
-       return FALSE;
-}
-
-int _thumb_daemon_process_job(thumbMsg *req_msg, thumbMsg *res_msg)
-{
-       int err = MS_MEDIA_ERR_NONE;
-
-       if (req_msg->msg_type == THUMB_REQUEST_RAW_DATA) {
-               err = _media_thumb_process_raw(req_msg, res_msg);
-               if (err != MS_MEDIA_ERR_NONE)
-                       thumb_warn("_media_thumb_process_raw is failed: %d", err);
-       } else if (req_msg->msg_type == THUMB_REQUEST_DB_INSERT) {
-               err = _media_thumb_process(req_msg, res_msg);
-               if (err != MS_MEDIA_ERR_NONE)
-                       thumb_warn("_media_thumb_process is failed: %d", err);
-       }
-
-       return err;
-}
-
-gboolean _thumb_server_read_socket(GIOChannel *src, GIOCondition condition, gpointer data)
-{
-       struct sockaddr_un client_addr;
-       unsigned int client_addr_len;
-       thumbMsg recv_msg;
-       thumbMsg res_msg;
-       ms_peer_credentials credentials;
-
-       int sock = -1;
-       int client_sock = -1;
-
-       memset((void *)&recv_msg, 0, sizeof(recv_msg));
-       memset((void *)&res_msg, 0, sizeof(res_msg));
-       memset((void *)&credentials, 0, sizeof(credentials));
-
-       sock = g_io_channel_unix_get_fd(src);
-       if (sock < 0) {
-               thumb_err("sock fd is invalid!");
-               return TRUE;
-       }
-
-       client_addr_len = sizeof(client_addr);
-
-       if ((client_sock = accept(sock, (struct sockaddr*)&client_addr, &client_addr_len)) < 0) {
-               thumb_stderror("accept failed");
-               return TRUE;
-       }
-
-       if (ms_cynara_receive_untrusted_message_thumb(client_sock, &recv_msg, &credentials) != MS_MEDIA_ERR_NONE) {
-               thumb_err("ms_cynara_receive_untrusted_message_thumb failed");
-               close(client_sock);
-               return FALSE;
-       }
-
-       if (recv_msg.msg_type != THUMB_REQUEST_KILL_SERVER) {
-               if (ms_cynara_check(&credentials, MEDIA_STORAGE_PRIVILEGE) != MS_MEDIA_ERR_NONE) {
-                       thumb_err("Cynara denied access to process request");
-                       _thumb_server_send_deny_message(client_sock);
-                       close(client_sock);
-                       return TRUE;
-               }
-       } else {
-               thumb_warn("Shutting down...");
-               g_main_loop_quit(g_thumb_server_mainloop);
-               close(client_sock);
-               return TRUE;
-       }
-
-       SAFE_FREE(credentials.smack);
-       SAFE_FREE(credentials.uid);
-
-       thumb_warn_slog("Received [%d] %.*s(%d) from PID(%d)", recv_msg.msg_type, MAX_FILEPATH_LEN, recv_msg.org_path, strlen(recv_msg.org_path), recv_msg.pid);
-
-       _thumb_daemon_process_job(&recv_msg, &res_msg);
-
-       if (res_msg.msg_type == 0)
-               res_msg.msg_type = recv_msg.msg_type;
-       res_msg.request_id = recv_msg.request_id;
-       SAFE_STRLCPY(res_msg.org_path, recv_msg.org_path, sizeof(res_msg.org_path));
-       if (res_msg.msg_type != THUMB_RESPONSE_RAW_DATA)
-               res_msg.thumb_size = 0;
-       else
-               res_msg.dst_path[0] = '\0';
-
-       int buf_size = 0;
-       int send_len = 0;
-       int send_pos = 0;
-       unsigned char *buf = NULL;
-       _media_thumb_set_buffer(&res_msg, &buf, &buf_size);
-
-       while (buf_size > 0) {
-               if ((send_len = send(client_sock, buf + send_pos, buf_size, 0)) < 0) {
-                       thumb_stderror("send failed");
-                       break;
-               }
-               send_pos += send_len;
-               buf_size -= send_len;
-       }
-
-       SAFE_FREE(buf);
-       SAFE_FREE(res_msg.thumb_data);
-
-       close(client_sock);
-
-       return TRUE;
-}
-
-static gboolean __thumb_server_send_msg_to_agent(int msg_type)
-{
-       int sock;
-       struct sockaddr_un serv_addr;
-       ms_thumb_server_msg send_msg;
-
-       if (ms_ipc_create_client_socket(MS_TIMEOUT_SEC_10, &sock) < 0) {
-               thumb_err("ms_ipc_create_server_socket failed");
-               return FALSE;
-       }
-
-       memset(&serv_addr, 0, sizeof(serv_addr));
-
-       serv_addr.sun_family = AF_UNIX;
-       SAFE_STRLCPY(serv_addr.sun_path, THUMB_COMM_SOCK_PATH, sizeof(serv_addr.sun_path));
-
-       /* Connecting to the thumbnail server */
-       if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
-               thumb_stderror("connect");
-               close(sock);
-               return MS_MEDIA_ERR_SOCKET_CONN;
-       }
-
-       send_msg.msg_type = msg_type;
-
-       if (send(sock, &send_msg, sizeof(ms_thumb_server_msg), 0) < 0) {
-               thumb_stderror("send failed");
-               close(sock);
-               return FALSE;
-       }
-
-       thumb_dbg("Sending msg to thumbnail agent[%d] is successful", send_msg.msg_type);
-       close(sock);
-
-       return TRUE;
-}
-
-static gboolean _thumb_server_send_deny_message(int sockfd)
-{
-       thumbMsg msg = {0};
-       int bytes_to_send = sizeof(msg);
-
-       msg.msg_type = THUMB_RESPONSE;
-       msg.status = MS_MEDIA_ERR_PERMISSION_DENIED;
-
-       if (send(sockfd, &msg, bytes_to_send, 0) < 0) {
-               thumb_stderror("send failed");
-               return FALSE;
-       }
-
-       return TRUE;
-}
-
-gboolean _thumb_server_prepare_socket(int *sock_fd)
-{
-       int sock;
-
-       if (ms_ipc_create_server_socket(MS_THUMB_DAEMON_PORT, &sock) < 0) {
-               thumb_err("ms_ipc_create_server_socket failed");
-               return FALSE;
-       }
-
-       if (ms_cynara_enable_credentials_passing(sock) != MS_MEDIA_ERR_NONE) {
-               thumb_err("ms_cynara_enable_credentials_passing failed");
-               close(sock);
-               return FALSE;
-       }
-
-       *sock_fd = sock;
-
-       return TRUE;
-}
-
-int _thumbnail_get_data(const char *origin_path, char *thumb_path)
+static int __thumbnail_get_data(const char *origin_path, char *thumb_path)
 {
        int err = MS_MEDIA_ERR_NONE;
        int file_type = THUMB_NONE_TYPE;
 
-       if (origin_path == NULL) {
-               thumb_err("Original path is null");
-               return MS_MEDIA_ERR_INVALID_PARAMETER;
-       }
-
-       if (!g_file_test(origin_path, G_FILE_TEST_IS_REGULAR)) {
-               thumb_err("Original path (%s) does not exist", origin_path);
-               return MS_MEDIA_ERR_INVALID_PARAMETER;
-       }
-
+       thumb_retvm_if(!origin_path, MS_MEDIA_ERR_INVALID_PARAMETER, "Original path is null");
+       thumb_retvm_if(!g_file_test(origin_path, G_FILE_TEST_IS_REGULAR), MS_MEDIA_ERR_INVALID_PARAMETER, "Original path(%s) does not exist", origin_path);
        thumb_dbg("Origin path : %s", origin_path);
+
        file_type = _media_thumb_get_file_type(origin_path);
 
        if (file_type == THUMB_IMAGE_TYPE) {
@@ -264,7 +67,7 @@ int _thumbnail_get_data(const char *origin_path, char *thumb_path)
        return MS_MEDIA_ERR_NONE;
 }
 
-int _thumbnail_get_raw_data(const char *origin_path, int *width, int *height, unsigned char **data, int *size)
+static int __thumbnail_get_raw_data(const char *origin_path, int *width, int *height, unsigned char **data, int *size)
 {
        int err = MS_MEDIA_ERR_NONE;
        int thumb_width = -1;
@@ -305,46 +108,39 @@ int _thumbnail_get_raw_data(const char *origin_path, int *width, int *height, un
        return MS_MEDIA_ERR_NONE;
 }
 
-int _media_thumb_process(thumbMsg *req_msg, thumbMsg *res_msg)
+static int __media_thumb_process(thumbMsg *req_msg, thumbMsg *res_msg)
 {
        int err = MS_MEDIA_ERR_NONE;
-       char *thumb_path = NULL;
 
-       thumb_retvm_if(req_msg == NULL || res_msg == NULL, MS_MEDIA_ERR_INVALID_PARAMETER, "Invalid msg");
+       thumb_retvm_if(!req_msg || !res_msg, MS_MEDIA_ERR_INVALID_PARAMETER, "Invalid msg");
 
-       const char *origin_path = req_msg->org_path;
        memset(res_msg->dst_path, 0, MAX_FILEPATH_LEN);
-       thumb_path = res_msg->dst_path;
        res_msg->status = MS_MEDIA_ERR_NONE;
 
-       if (!g_file_test(origin_path, G_FILE_TEST_IS_REGULAR)) {
+       if (!g_file_test(req_msg->org_path, G_FILE_TEST_IS_REGULAR)) {
                thumb_err("origin_path does not exist in file system.");
                res_msg->status = MS_MEDIA_ERR_FILE_NOT_EXIST;
                return MS_MEDIA_ERR_FILE_NOT_EXIST;
        }
 
-       err = _media_thumb_get_thumb_from_db(origin_path, thumb_path, MAX_FILEPATH_LEN, req_msg->uid);
-       if (err == MS_MEDIA_ERR_NONE) {
-               thumb_dbg_slog("Thumb path : %s", thumb_path);
-               return MS_MEDIA_ERR_NONE;
-       } else {
-               if (strlen(thumb_path) == 0) {
-                       err = _media_thumb_get_hash_name(origin_path, thumb_path, MAX_FILEPATH_LEN, req_msg->uid);
-                       if (err != MS_MEDIA_ERR_NONE) {
-                               thumb_err("_media_thumb_get_hash_name failed - %d", err);
-                               SAFE_STRLCPY(thumb_path, THUMB_EMPTY_STR, MAX_FILEPATH_LEN);
-                               res_msg->status = err;
-                               return err;
-                       }
+       err = _media_thumb_get_thumb_from_db(req_msg->org_path, res_msg->dst_path, MAX_FILEPATH_LEN, req_msg->uid);
+       thumb_retvm_if(err == MS_MEDIA_ERR_NONE, err, "Already exists");
+       if (strlen(res_msg->dst_path) == 0) {
+               err = _media_thumb_get_hash_name(req_msg->org_path, res_msg->dst_path, MAX_FILEPATH_LEN, req_msg->uid);
+               if (err != MS_MEDIA_ERR_NONE) {
+                       thumb_err("_media_thumb_get_hash_name failed - %d", err);
+                       SAFE_STRLCPY(res_msg->dst_path, THUMB_EMPTY_STR, MAX_FILEPATH_LEN);
+                       res_msg->status = err;
+                       return err;
                }
        }
 
-       thumb_dbg_slog("Thumb path : %s", thumb_path);
+       thumb_dbg_slog("Thumb path : %s", res_msg->dst_path);
 
-       err = _thumbnail_get_data(origin_path, thumb_path);
+       err = __thumbnail_get_data(req_msg->org_path, res_msg->dst_path);
        if (err != MS_MEDIA_ERR_NONE) {
                thumb_err("_thumbnail_get_data failed - %d", err);
-               SAFE_STRLCPY(thumb_path, THUMB_EMPTY_STR, MAX_FILEPATH_LEN);
+               SAFE_STRLCPY(res_msg->dst_path, THUMB_EMPTY_STR, MAX_FILEPATH_LEN);
                res_msg->status = err;
 
                goto DB_UPDATE;
@@ -353,7 +149,7 @@ int _media_thumb_process(thumbMsg *req_msg, thumbMsg *res_msg)
        res_msg->msg_type = THUMB_RESPONSE;
 
 DB_UPDATE:
-       err = _media_thumb_update_db(origin_path, thumb_path, req_msg->uid);
+       err = _media_thumb_update_db(req_msg->org_path, res_msg->dst_path, req_msg->uid);
        if (err != MS_MEDIA_ERR_NONE) {
                thumb_err("_media_thumb_update_db failed : %d", err);
                res_msg->status = err;
@@ -362,8 +158,7 @@ DB_UPDATE:
        return err;
 }
 
-int
-_media_thumb_process_raw(thumbMsg *req_msg, thumbMsg *res_msg)
+static int __media_thumb_process_raw(thumbMsg *req_msg, thumbMsg *res_msg)
 {
        int err = MS_MEDIA_ERR_NONE;
        unsigned char *data = NULL;
@@ -371,44 +166,203 @@ _media_thumb_process_raw(thumbMsg *req_msg, thumbMsg *res_msg)
        int thumb_w = 0;
        int thumb_h = 0;
 
-       thumb_retvm_if(req_msg == NULL || res_msg == NULL, MS_MEDIA_ERR_INVALID_PARAMETER, "Invalid msg");
+       thumb_retvm_if(!req_msg || !res_msg, MS_MEDIA_ERR_INVALID_PARAMETER, "Invalid msg");
 
-       const char *origin_path = req_msg->org_path;
-       if (req_msg->thumb_width > 0)
-               thumb_w = req_msg->thumb_width;
-       else
-               thumb_w = THUMB_DEFAULT_WIDTH;
-
-       if (req_msg->thumb_height > 0)
-               thumb_h = req_msg->thumb_height;
-       else
-               thumb_h = THUMB_DEFAULT_HEIGHT;
+       thumb_w = (req_msg->thumb_width > 0) ? req_msg->thumb_width : THUMB_DEFAULT_WIDTH;
+       thumb_h = (req_msg->thumb_height > 0) ? req_msg->thumb_height : THUMB_DEFAULT_HEIGHT;
 
        res_msg->status = MS_MEDIA_ERR_NONE;
        res_msg->msg_type = THUMB_RESPONSE_RAW_DATA;
 
-       err = _thumbnail_get_raw_data(origin_path, &thumb_w, &thumb_h, &data, &thumb_size);
+       err = __thumbnail_get_raw_data(req_msg->org_path, &thumb_w, &thumb_h, &data, &thumb_size);
        if (err != MS_MEDIA_ERR_NONE) {
                thumb_err("_thumbnail_get_data failed - %d", err);
                res_msg->status = err;
                res_msg->thumb_size = 0;
-               SAFE_FREE(data);
-
-               return err;
+               goto ERROR;
        }
 
        res_msg->thumb_width = thumb_w;
        res_msg->thumb_height = thumb_h;
        res_msg->thumb_size = thumb_size;
        res_msg->thumb_data = malloc(thumb_size * sizeof(unsigned char));
-       if (res_msg->thumb_data != NULL) {
+       if (res_msg->thumb_data) {
                memcpy(res_msg->thumb_data, data, thumb_size);
        } else {
                thumb_err("Allocation failed");
                err = MS_MEDIA_ERR_OUT_OF_MEMORY;
        }
 
+ERROR:
        SAFE_FREE(data);
 
        return err;
 }
+
+static int __thumb_daemon_process_job(thumbMsg *req_msg, thumbMsg *res_msg)
+{
+       int err = MS_MEDIA_ERR_NONE;
+
+       if (req_msg->msg_type == THUMB_REQUEST_RAW_DATA) {
+               err = __media_thumb_process_raw(req_msg, res_msg);
+               if (err != MS_MEDIA_ERR_NONE)
+                       thumb_err("_media_thumb_process_raw is failed: %d", err);
+       } else if (req_msg->msg_type == THUMB_REQUEST_DB_INSERT) {
+               err = __media_thumb_process(req_msg, res_msg);
+               if (err != MS_MEDIA_ERR_NONE)
+                       thumb_err("_media_thumb_process is failed: %d", err);
+       }
+
+       return err;
+}
+
+static void __thumb_server_send_deny_message(int sockfd)
+{
+       thumbMsg msg = {0};
+
+       msg.msg_type = THUMB_RESPONSE;
+       msg.status = MS_MEDIA_ERR_PERMISSION_DENIED;
+
+       if (send(sockfd, &msg, sizeof(msg), 0) < 0)
+               thumb_stderror("send failed");
+}
+
+gboolean _thumb_daemon_start_jobs(gpointer data)
+{
+       int client_sock;
+       struct sockaddr_un serv_addr;
+       ms_thumb_server_msg send_msg;
+
+       if (ms_ipc_create_client_socket(MS_TIMEOUT_SEC_10, &client_sock) < 0) {
+               thumb_err("ms_ipc_create_server_socket failed");
+               return G_SOURCE_REMOVE;
+       }
+
+       memset(&serv_addr, 0, sizeof(serv_addr));
+
+       serv_addr.sun_family = AF_UNIX;
+       SAFE_STRLCPY(serv_addr.sun_path, THUMB_COMM_SOCK_PATH, sizeof(serv_addr.sun_path));
+
+       /* Connecting to the thumbnail server */
+       if (connect(client_sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
+               thumb_stderror("connect");
+               goto ERROR;
+       }
+
+       send_msg.msg_type = MS_MSG_THUMB_SERVER_READY;
+
+       if (send(client_sock, &send_msg, sizeof(ms_thumb_server_msg), 0) < 0) {
+               thumb_stderror("send failed");
+               goto ERROR;
+       }
+
+       thumb_dbg("Sending msg to thumbnail agent[%d] is successful", send_msg.msg_type);
+ERROR:
+       close(client_sock);
+
+       return G_SOURCE_REMOVE;
+}
+
+gboolean _thumb_server_read_socket(GIOChannel *src, GIOCondition condition, gpointer data)
+{
+       struct sockaddr_un client_addr;
+       unsigned int client_addr_len;
+       thumbMsg recv_msg;
+       thumbMsg res_msg;
+       ms_peer_credentials credentials;
+       GMainLoop *thumb_server = (GMainLoop *)data;
+
+       int sock = -1;
+       int client_sock = -1;
+
+       int buf_size = 0;
+       int send_len = 0;
+       int send_pos = 0;
+       unsigned char *buf = NULL;
+
+       memset((void *)&recv_msg, 0, sizeof(recv_msg));
+       memset((void *)&res_msg, 0, sizeof(res_msg));
+       memset((void *)&credentials, 0, sizeof(credentials));
+
+       sock = g_io_channel_unix_get_fd(src);
+       thumb_retvm_if(sock < 0, G_SOURCE_CONTINUE, "sock fd is invalid!");
+
+       client_addr_len = sizeof(client_addr);
+
+       if ((client_sock = accept(sock, (struct sockaddr*)&client_addr, &client_addr_len)) < 0) {
+               thumb_stderror("accept failed");
+               return G_SOURCE_CONTINUE;
+       }
+
+       if (ms_cynara_receive_untrusted_message_thumb(client_sock, &recv_msg, &credentials) != MS_MEDIA_ERR_NONE) {
+               thumb_err("ms_cynara_receive_untrusted_message_thumb failed");
+               goto ERROR;
+       }
+
+       if (recv_msg.msg_type != THUMB_REQUEST_KILL_SERVER) {
+               if (ms_cynara_check(&credentials, MEDIA_STORAGE_PRIVILEGE) != MS_MEDIA_ERR_NONE) {
+                       thumb_err("Cynara denied access to process request");
+                       __thumb_server_send_deny_message(client_sock);
+                       goto ERROR;
+               }
+       } else {
+               thumb_warn("Shutting down...");
+               g_main_loop_quit(thumb_server);
+               goto ERROR;
+       }
+
+       SAFE_FREE(credentials.smack);
+       SAFE_FREE(credentials.uid);
+
+       thumb_warn_slog("Received [%d] %.*s(%zu) from PID(%d)", recv_msg.msg_type, MAX_FILEPATH_LEN, recv_msg.org_path, strlen(recv_msg.org_path), recv_msg.pid);
+
+       __thumb_daemon_process_job(&recv_msg, &res_msg);
+
+       if (res_msg.msg_type == 0)
+               res_msg.msg_type = recv_msg.msg_type;
+       res_msg.request_id = recv_msg.request_id;
+       SAFE_STRLCPY(res_msg.org_path, recv_msg.org_path, sizeof(res_msg.org_path));
+       if (res_msg.msg_type != THUMB_RESPONSE_RAW_DATA)
+               res_msg.thumb_size = 0;
+       else
+               res_msg.dst_path[0] = '\0';
+
+       _media_thumb_set_buffer(&res_msg, &buf, &buf_size);
+
+       while (buf_size > 0) {
+               if ((send_len = send(client_sock, buf + send_pos, buf_size, 0)) < 0) {
+                       thumb_stderror("send failed");
+                       break;
+               }
+               send_pos += send_len;
+               buf_size -= send_len;
+       }
+
+       SAFE_FREE(buf);
+       SAFE_FREE(res_msg.thumb_data);
+
+ERROR:
+       close(client_sock);
+
+       return G_SOURCE_CONTINUE;
+}
+
+gboolean _thumb_server_prepare_socket(int *sock_fd)
+{
+       int sock;
+
+       if (ms_ipc_create_server_socket(MS_THUMB_DAEMON_PORT, &sock) < 0) {
+               thumb_err("ms_ipc_create_server_socket failed");
+               return FALSE;
+       }
+
+       if (ms_cynara_enable_credentials_passing(sock) != MS_MEDIA_ERR_NONE) {
+               thumb_err("ms_cynara_enable_credentials_passing failed");
+               close(sock);
+               return FALSE;
+       }
+
+       *sock_fd = sock;
+
+       return TRUE;
+}