2 // Open Service Platform
3 // Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 // Licensed under the Apache License, Version 2.0 (the License);
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
9 // http://www.apache.org/licenses/LICENSE-2.0
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
19 #ifndef __APPFW_MESSAGE_PORT_H__
20 #define __APPFW_MESSAGE_PORT_H__
24 # define EXPORT_API __attribute__((visibility("default")))
37 * @brief Enumerations of error code for Application.
41 MESSAGEPORT_ERROR_NONE = 0, /**< Successful */
42 MESSAGEPORT_ERROR_IO_ERROR = -1, /**< Internal I/O error */
43 MESSAGEPORT_ERROR_OUT_OF_MEMORY = -2, /**< Out of memory */
44 MESSAGEPORT_ERROR_INVALID_PARAMETER = -3, /**< Invalid parameter */
45 MESSAGEPORT_ERROR_MESSAGEPORT_NOT_FOUND = -4, /**< The message port of the remote application is not found */
46 MESSAGEPORT_ERROR_CERTIFICATE_NOT_MATCH = -5, /**< The remote application is not signed with the same certificate */
47 MESSAGEPORT_ERROR_MAX_EXCEEDED = -6, /**< The size of message has exceeded the maximum limit */
48 MESSAGEPORT_ERROR_RESOURCE_UNAVAILABLE = -7, /**< Resource temporarily unavailable */
49 } messageport_error_e;
53 * @brief Called when a message is received from the remote application.
55 * @param [in] id The message port id returned by messageport_register_local_port() or messageport_register_trusted_local_port()
56 * @param [in] remote_app_id The ID of the remote application which has sent this message
57 * @param [in] remote_port The name of the remote message port
58 * @param [in] trusted_message @c true if the trusted remote message port is ready to receive the response data
59 * @param [in] data the data passed from the remote application
60 * @remarks @a data must be released with bundle_free() by you
61 * @remark @a remote_app_id and @a remote_port will be set if the remote application sends a bidirectional message, otherwise they are NULL.
63 typedef void (*messageport_message_cb)(int id, const char* remote_app_id, const char* remote_port, bool trusted_message, bundle* data);
67 * @brief Registers the local message port. @n
68 * If the message port name is already registered, the previous message port id returns and the callback function is changed.
70 * @param [in] local_port the name of the local message port
71 * @param [in] callback The callback function to be called when a message is received
72 * @return A message port id on success, otherwise a negative error value.
73 * @retval #MESSAGEPORT_ERROR_NONE Successful
74 * @retval #MESSAGEPORT_ERROR_INVALID_PARAMETER Invalid parameter
75 * @retval #MESSAGEPORT_ERROR_OUT_OF_MEMORY Out of memory
76 * @retval #MESSAGEPORT_ERROR_IO_ERROR Internal I/O error
78 EXPORT_API int messageport_register_local_port(const char* local_port, messageport_message_cb callback);
81 * @brief Registers the trusted local message port. @n
82 * If the message port name is already registered, the previous message port id returns and the callback function is changed. @n
83 * This allows communications only if the applications are signed with the same certificate which is uniquely assigned to the developer.
85 * @param [in] local_port the name of the local message port
86 * @param [in] callback The callback function to be called when a message is received
87 * @return A message port id on success, otherwise a negative error value.
88 * @retval #MESSAGEPORT_ERROR_NONE Successful
89 * @retval #MESSAGEPORT_ERROR_INVALID_PARAMETER Invalid parameter
90 * @retval #MESSAGEPORT_ERROR_OUT_OF_MEMORY Out of memory
91 * @retval #MESSAGEPORT_ERROR_IO_ERROR Internal I/O error
93 EXPORT_API int messageport_register_trusted_local_port(const char* local_port, messageport_message_cb callback);
96 * @brief Checks if the message port of a remote application is registered.
98 * @param [in] remote_app_id The ID of the remote application
99 * @param [in] remote_port the name of the remote message port
100 * @param [out] exist @c true if the message port of the remote application exists, otherwise @c false
101 * @return 0 on success, otherwise a negative error value.
102 * @retval #MESSAGEPORT_ERROR_NONE Successful
103 * @retval #MESSAGEPORT_ERROR_INVALID_PARAMETER Invalid parameter
104 * @retval #MESSAGEPORT_ERROR_OUT_OF_MEMORY Out of memory
105 * @retval #MESSAGEPORT_ERROR_IO_ERROR Internal I/O error
107 EXPORT_API int messageport_check_remote_port(const char* remote_app_id, const char *remote_port, bool* exist);
110 * @brief Checks if the trusted message port of a remote application is registered.
112 * @param [in] remote_app_id The ID of the remote application
113 * @param [in] remote_port the name of the remote message port
114 * @param [out] exist @c true if the message port of the remote application exists, otherwise @c false
115 * @return 0 on success, otherwise a negative error value.
116 * @retval #MESSAGEPORT_ERROR_NONE Successful
117 * @retval #MESSAGEPORT_ERROR_INVALID_PARAMETER Invalid parameter
118 * @retval #MESSAGEPORT_ERROR_OUT_OF_MEMORY Out of memory
119 * @retval #MESSAGEPORT_ERROR_CERTIFICATE_NOT_MATCH The remote application is not signed with the same certificate
120 * @retval #MESSAGEPORT_ERROR_IO_ERROR Internal I/O error
122 EXPORT_API int messageport_check_trusted_remote_port(const char* remote_app_id, const char *remote_port, bool* exist);
125 * @brief Sends a message to the message port of a remote application.
127 * @param [in] remote_app_id The ID of the remote application
128 * @param [in] remote_port the name of the remote message port
129 * @param [in] message the message to be passed to the remote application, the recommended message size is under 4KB
130 * @return 0 on success, otherwise a negative error value.
131 * @retval #MESSAGEPORT_ERROR_NONE Successful
132 * @retval #MESSAGEPORT_ERROR_INVALID_PARAMETER Invalid parameter
133 * @retval #MESSAGEPORT_ERROR_OUT_OF_MEMORY Out of memory
134 * @retval #MESSAGEPORT_ERROR_MESSAGEPORT_NOT_FOUND The message port of the remote application is not found
135 * @retval #MESSAGEPORT_ERROR_MAX_EXCEEDED The size of message has exceeded the maximum limit
136 * @retval #MESSAGEPORT_ERROR_IO_ERROR Internal I/O error
139 * #include <message-port.h>
141 * bundle *b = bundle_create();
142 * bundle_add(b, "key1", "value1");
143 * bundle_add(b, "key2", "value2");
145 * int ret = messageport_send_message("0123456789.BasicApp", "BasicAppPort", b);
150 EXPORT_API int messageport_send_message(const char* remote_app_id, const char* remote_port, bundle* message);
153 * @brief Sends a trusted message to the message port of a remote application. @n
154 * This allows communications only if the applications are signed with the same certificate which is uniquely assigned to the developer.
156 * @param [in] remote_app_id The ID of the remote application
157 * @param [in] remote_port the name of the remote message port
158 * @param [in] message the message to be passed to the remote application, the recommended message size is under 4KB
159 * @return 0 on success, otherwise a negative error value.
160 * @retval #MESSAGEPORT_ERROR_NONE Successful
161 * @retval #MESSAGEPORT_ERROR_INVALID_PARAMETER Invalid parameter
162 * @retval #MESSAGEPORT_ERROR_OUT_OF_MEMORY Out of memory
163 * @retval #MESSAGEPORT_ERROR_MESSAGEPORT_NOT_FOUND The message port of the remote application is not found
164 * @retval #MESSAGEPORT_ERROR_CERTIFICATE_NOT_MATCH The remote application is not signed with the same certificate
165 * @retval #MESSAGEPORT_ERROR_MAX_EXCEEDED The size of message has exceeded the maximum limit
166 * @retval #MESSAGEPORT_ERROR_IO_ERROR Internal I/O error
168 EXPORT_API int messageport_send_trusted_message(const char* remote_app_id, const char* remote_port, bundle* message);
171 * @brief Sends a message to the message port of a remote application. This method is used for the bidirectional communication.
173 * @param [in] id The message port id returned by messageport_register_local_port() or messageport_register_trusted_local_port()
174 * @param [in] remote_app_id The ID of the remote application
175 * @param [in] remote_port the name of the remote message port
176 * @param [in] message the message to be passed to the remote application, the recommended message size is under 4KB
177 * @return 0 on success, otherwise a negative error value.
178 * @retval #MESSAGEPORT_ERROR_NONE Successful
179 * @retval #MESSAGEPORT_ERROR_INVALID_PARAMETER Invalid parameter
180 * @retval #MESSAGEPORT_ERROR_OUT_OF_MEMORY Out of memory
181 * @retval #MESSAGEPORT_ERROR_MESSAGEPORT_NOT_FOUND The message port of the remote application is not found
182 * @retval #MESSAGEPORT_ERROR_MAX_EXCEEDED The size of message has exceeded the maximum limit
183 * @retval #MESSAGEPORT_ERROR_IO_ERROR Internal I/O error
186 * #include <message-port.h>
189 * OnMessageReceived(int id, const char* remote_app_id, const char* remote_port, bool trusted_port, bundle* data)
193 * int main(int argc, char *argv[])
195 * bundle *b = bundle_create();
196 * bundle_add(b, "key1", "value1");
197 * bundle_add(b, "key2", "value2");
199 * int id = messageport_register_local_port("HelloPort", OnMessageReceived);
201 * int ret = messageport_send_bidirectional_message(id, "0123456789.BasicApp", "BasicAppPort", b);
206 EXPORT_API int messageport_send_bidirectional_message(int id, const char* remote_app_id, const char* remote_port, bundle* data);
209 * @brief Sends a trusted message to the message port of a remote application. This method is used for the bidirectional communication.
210 * This allows communications only if the applications are signed with the same certificate which is uniquely assigned to the developer.
212 * @param [in] id The message port id returned by messageport_register_local_port() or messageport_register_trusted_local_port()
213 * @param [in] remote_app_id The ID of the remote application
214 * @param [in] remote_port the name of the remote message port
215 * @param [in] message the message to be passed to the remote application, the recommended message size is under 4KB
216 * @return 0 on success, otherwise a negative error value.
217 * @retval #MESSAGEPORT_ERROR_NONE Successful
218 * @retval #MESSAGEPORT_ERROR_INVALID_PARAMETER Invalid parameter
219 * @retval #MESSAGEPORT_ERROR_OUT_OF_MEMORY Out of memory
220 * @retval #MESSAGEPORT_ERROR_MESSAGEPORT_NOT_FOUND The message port of the remote application is not found
221 * @retval #MESSAGEPORT_ERROR_CERTIFICATE_NOT_MATCH The remote application is not signed with the same certificate
222 * @retval #MESSAGEPORT_ERROR_MAX_EXCEEDED The size of message has exceeded the maximum limit
223 * @retval #MESSAGEPORT_ERROR_IO_ERROR Internal I/O error
225 EXPORT_API int messageport_send_bidirectional_trusted_message(int id, const char* remote_app_id, const char* remote_port, bundle* data);
229 * @brief Gets the name of the local message port.
231 * @param [in] id The message port id returned by messageport_register_local_port() or messageport_register_trusted_local_port()
232 * @param [out] name The name of the local message port
233 * @return 0 on success, otherwise a negative error value.
234 * @retval #MESSAGEPORT_ERROR_NONE Successful
235 * @retval #MESSAGEPORT_ERROR_INVALID_PARAMETER Invalid parameter
236 * @retval #MESSAGEPORT_ERROR_OUT_OF_MEMORY Out of memory
237 * @remarks @a name must be released with free() by you
239 EXPORT_API int messageport_get_local_port_name(int id, char **name);
242 * @brief Checks if the local message port is trusted.
244 * @param [in] id The message port id returned by messageport_register_local_port() or messageport_register_trusted_local_port()
245 * @param [out] @c true if the local message port is trusted
246 * @return 0 on success, otherwise a negative error value.
247 * @retval #MESSAGEPORT_ERROR_NONE Successful
248 * @retval #MESSAGEPORT_ERROR_INVALID_PARAMETER Invalid parameter
249 * @retval #MESSAGEPORT_ERROR_OUT_OF_MEMORY Out of memory
251 EXPORT_API int messageport_check_trusted_local_port(int id, bool *trusted);
261 #endif /* __APPFW_MESSAGE_PORT_H__ */