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1 /* Copyright 2013 The Chromium Authors. All rights reserved. | |
2 * Use of this source code is governed by a BSD-style license that can be | |
3 * found in the LICENSE file. | |
4 */ | |
5 | |
6 /* From dev/ppb_tcp_socket_dev.idl modified Thu Jun 20 15:14:26 2013. */ | |
7 | |
8 #ifndef PPAPI_C_DEV_PPB_TCP_SOCKET_DEV_H_ | |
9 #define PPAPI_C_DEV_PPB_TCP_SOCKET_DEV_H_ | |
10 | |
11 #include "ppapi/c/pp_bool.h" | |
12 #include "ppapi/c/pp_completion_callback.h" | |
13 #include "ppapi/c/pp_instance.h" | |
14 #include "ppapi/c/pp_macros.h" | |
15 #include "ppapi/c/pp_resource.h" | |
16 #include "ppapi/c/pp_stdint.h" | |
17 #include "ppapi/c/pp_var.h" | |
18 | |
19 #define PPB_TCPSOCKET_DEV_INTERFACE_0_1 "PPB_TCPSocket(Dev);0.1" | |
20 #define PPB_TCPSOCKET_DEV_INTERFACE PPB_TCPSOCKET_DEV_INTERFACE_0_1 | |
21 | |
22 /** | |
23 * @file | |
24 * This file defines the <code>PPB_TCPSocket_Dev</code> interface. | |
25 */ | |
26 | |
27 | |
28 /** | |
29 * @addtogroup Enums | |
30 * @{ | |
31 */ | |
32 /** | |
33 * Option names used by <code>SetOption()</code>. | |
34 */ | |
35 typedef enum { | |
36 /** | |
37 * Disables coalescing of small writes to make TCP segments, and instead | |
38 * delivers data immediately. Value's type is <code>PP_VARTYPE_BOOL</code>. | |
39 * This option can only be set after a successful <code>Connect()</code> call. | |
40 */ | |
41 PP_TCPSOCKET_OPTION_NO_DELAY = 0, | |
42 /** | |
43 * Specifies the total per-socket buffer space reserved for sends. Value's | |
44 * type should be <code>PP_VARTYPE_INT32</code>. | |
45 * This option can only be set after a successful <code>Connect()</code> call. | |
46 * | |
47 * Note: This is only treated as a hint for the browser to set the buffer | |
48 * size. Even if <code>SetOption()</code> succeeds, the browser doesn't | |
49 * guarantee it will conform to the size. | |
50 */ | |
51 PP_TCPSOCKET_OPTION_SEND_BUFFER_SIZE = 1, | |
52 /** | |
53 * Specifies the total per-socket buffer space reserved for receives. Value's | |
54 * type should be <code>PP_VARTYPE_INT32</code>. | |
55 * This option can only be set after a successful <code>Connect()</code> call. | |
56 * | |
57 * Note: This is only treated as a hint for the browser to set the buffer | |
58 * size. Even if <code>SetOption()</code> succeeds, the browser doesn't | |
59 * guarantee it will conform to the size. | |
60 */ | |
61 PP_TCPSOCKET_OPTION_RECV_BUFFER_SIZE = 2 | |
62 } PP_TCPSocket_Option_Dev; | |
63 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_TCPSocket_Option_Dev, 4); | |
64 /** | |
65 * @} | |
66 */ | |
67 | |
68 /** | |
69 * @addtogroup Interfaces | |
70 * @{ | |
71 */ | |
72 /** | |
73 * The <code>PPB_TCPSocket_Dev</code> interface provides TCP socket operations. | |
74 * | |
75 * Permissions: Apps permission <code>socket</code> with subrule | |
76 * <code>tcp-connect</code> is required for <code>Connect()</code>. | |
77 * For more details about network communication permissions, please see: | |
78 * http://developer.chrome.com/apps/app_network.html | |
79 */ | |
80 struct PPB_TCPSocket_Dev_0_1 { | |
81 /** | |
82 * Creates a TCP socket resource. | |
83 * | |
84 * @param[in] instance A <code>PP_Instance</code> identifying one instance of | |
85 * a module. | |
86 * | |
87 * @return A <code>PP_Resource</code> corresponding to a TCP socket or 0 | |
88 * on failure. | |
89 */ | |
90 PP_Resource (*Create)(PP_Instance instance); | |
91 /** | |
92 * Determines if a given resource is a TCP socket. | |
93 * | |
94 * @param[in] resource A <code>PP_Resource</code> to check. | |
95 * | |
96 * @return <code>PP_TRUE</code> if the input is a | |
97 * <code>PPB_TCPSocket_Dev</code> resource; <code>PP_FALSE</code> | |
98 * otherwise. | |
99 */ | |
100 PP_Bool (*IsTCPSocket)(PP_Resource resource); | |
101 /** | |
102 * Connects the socket to the given address. | |
103 * | |
104 * @param[in] tcp_socket A <code>PP_Resource</code> corresponding to a TCP | |
105 * socket. | |
106 * @param[in] addr A <code>PPB_NetAddress</code> resource. | |
107 * @param[in] callback A <code>PP_CompletionCallback</code> to be called upon | |
108 * completion. | |
109 * | |
110 * @return An int32_t containing an error code from <code>pp_errors.h</code>, | |
111 * including (but not limited to): | |
112 * - <code>PP_ERROR_NOACCESS</code>: the caller doesn't have required | |
113 * permissions. | |
114 * - <code>PP_ERROR_ADDRESS_UNREACHABLE</code>: <code>addr</code> is | |
115 * unreachable. | |
116 * - <code>PP_ERROR_CONNECTION_REFUSED</code>: the connection attempt was | |
117 * refused. | |
118 * - <code>PP_ERROR_CONNECTION_FAILED</code>: the connection attempt failed. | |
119 * - <code>PP_ERROR_CONNECTION_TIMEDOUT</code>: the connection attempt timed | |
120 * out. | |
121 */ | |
122 int32_t (*Connect)(PP_Resource tcp_socket, | |
123 PP_Resource addr, | |
124 struct PP_CompletionCallback callback); | |
125 /** | |
126 * Gets the local address of the socket, if it is connected. | |
127 * | |
128 * @param[in] tcp_socket A <code>PP_Resource</code> corresponding to a TCP | |
129 * socket. | |
130 * | |
131 * @return A <code>PPB_NetAddress</code> resource on success or 0 on failure. | |
132 */ | |
133 PP_Resource (*GetLocalAddress)(PP_Resource tcp_socket); | |
134 /** | |
135 * Gets the remote address of the socket, if it is connected. | |
136 * | |
137 * @param[in] tcp_socket A <code>PP_Resource</code> corresponding to a TCP | |
138 * socket. | |
139 * | |
140 * @return A <code>PPB_NetAddress</code> resource on success or 0 on failure. | |
141 */ | |
142 PP_Resource (*GetRemoteAddress)(PP_Resource tcp_socket); | |
143 /** | |
144 * Reads data from the socket. The socket must be connected. It may perform a | |
145 * partial read. | |
146 * | |
147 * @param[in] tcp_socket A <code>PP_Resource</code> corresponding to a TCP | |
148 * socket. | |
149 * @param[out] buffer The buffer to store the received data on success. It | |
150 * must be at least as large as <code>bytes_to_read</code>. | |
151 * @param[in] bytes_to_read The number of bytes to read. | |
152 * @param[in] callback A <code>PP_CompletionCallback</code> to be called upon | |
153 * completion. | |
154 * | |
155 * @return A non-negative number on success to indicate how many bytes have | |
156 * been read, 0 means that end-of-file was reached; otherwise, an error code | |
157 * from <code>pp_errors.h</code>. | |
158 */ | |
159 int32_t (*Read)(PP_Resource tcp_socket, | |
160 char* buffer, | |
161 int32_t bytes_to_read, | |
162 struct PP_CompletionCallback callback); | |
163 /** | |
164 * Writes data to the socket. The socket must be connected. It may perform a | |
165 * partial write. | |
166 * | |
167 * @param[in] tcp_socket A <code>PP_Resource</code> corresponding to a TCP | |
168 * socket. | |
169 * @param[in] buffer The buffer containing the data to write. | |
170 * @param[in] bytes_to_write The number of bytes to write. | |
171 * @param[in] callback A <code>PP_CompletionCallback</code> to be called upon | |
172 * completion. | |
173 * | |
174 * @return A non-negative number on success to indicate how many bytes have | |
175 * been written; otherwise, an error code from <code>pp_errors.h</code>. | |
176 */ | |
177 int32_t (*Write)(PP_Resource tcp_socket, | |
178 const char* buffer, | |
179 int32_t bytes_to_write, | |
180 struct PP_CompletionCallback callback); | |
181 /** | |
182 * Cancels all pending reads and writes and disconnects the socket. Any | |
183 * pending callbacks will still run, reporting <code>PP_ERROR_ABORTED</code> | |
184 * if pending IO was interrupted. After a call to this method, no output | |
185 * buffer pointers passed into previous <code>Read()</code> calls will be | |
186 * accessed. It is not valid to call <code>Connect()</code> again. | |
187 * | |
188 * The socket is implicitly closed if it is destroyed, so you are not required | |
189 * to call this method. | |
190 * | |
191 * @param[in] tcp_socket A <code>PP_Resource</code> corresponding to a TCP | |
192 * socket. | |
193 */ | |
194 void (*Close)(PP_Resource tcp_socket); | |
195 /** | |
196 * Sets a socket option on the TCP socket. | |
197 * Please see the <code>PP_TCPSocket_Option_Dev</code> description for option | |
198 * names, value types and allowed values. | |
199 * | |
200 * @param[in] tcp_socket A <code>PP_Resource</code> corresponding to a TCP | |
201 * socket. | |
202 * @param[in] name The option to set. | |
203 * @param[in] value The option value to set. | |
204 * @param[in] callback A <code>PP_CompletionCallback</code> to be called upon | |
205 * completion. | |
206 * | |
207 * @return An int32_t containing an error code from <code>pp_errors.h</code>. | |
208 */ | |
209 int32_t (*SetOption)(PP_Resource tcp_socket, | |
210 PP_TCPSocket_Option_Dev name, | |
211 struct PP_Var value, | |
212 struct PP_CompletionCallback callback); | |
213 }; | |
214 | |
215 typedef struct PPB_TCPSocket_Dev_0_1 PPB_TCPSocket_Dev; | |
216 /** | |
217 * @} | |
218 */ | |
219 | |
220 #endif /* PPAPI_C_DEV_PPB_TCP_SOCKET_DEV_H_ */ | |
221 | |
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