2 * $Id: imgsock_manager.h 54 2011-05-10 13:22:47Z kaori $
4 * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
5 * Copyright (c) 2002-2011, Professor Benoit Macq
6 * Copyright (c) 2010-2011, Kaori Hagihara
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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31 #ifndef IMGSOCK_MANAGER_H_
32 # define IMGSOCK_MANAGER_H_
35 #include "byte_manager.h"
44 * open listening socket
48 SOCKET open_listeningsocket();
51 * accept a new connection to the listenning socket
53 * @param listening_socket listenning socket
54 * @return connected socket (-1 if error occurs)
56 SOCKET accept_socket( SOCKET listening_socket);
59 #define NUM_OF_MSGTYPES 9
60 typedef enum eMSGTYPE{ JPIPSTREAM, PNMREQ, XMLREQ, TIDREQ, CIDREQ, CIDDST, SIZREQ, JP2SAVE, QUIT, MSGERROR} msgtype_t;
63 * indeitify client message type
65 * @param [in] connected_socket file descriptor of the connected socket
66 * @return message type
68 msgtype_t identify_clientmsg( SOCKET connected_socket);
71 * receive a JPT- JPP- stream from client
73 * @param [in] connected_socket file descriptor of the connected socket
74 * @param [out] target address of received target file name string pointer ( malloced, if not received, NULL)
75 * @param [out] tid address of received target identifier string pointer ( malloced, if not received, null string)
76 * @param [out] cid address of received channel identifier string pointer ( malloced, if not received, null string)
77 * @param [out] streamlen length of the received codestream
78 * @return JPT- JPP- codestream
80 Byte_t * receive_JPIPstream( SOCKET connected_socket, char **target, char **tid, char **cid, int *streamlen);
83 * send PGM/PPM image stream to the client
85 * @param [in] connected_socket file descriptor of the connected socket
86 * @param [in] pnmstream PGM/PPM image codestream
87 * @param [in] width width of the PGM/PPM image (different from the original image)
88 * @param [in] height height of the PGM/PPM image
89 * @param [in] numofcomp number of components of the image
90 * @param [in] maxval maximum value of the image (only 255 supported)
92 void send_PNMstream( SOCKET connected_socket, Byte_t *pnmstream, unsigned int width, unsigned int height, unsigned int numofcomp, Byte_t maxval);
95 * send XML data stream to the client
97 * @param [in] connected_socket file descriptor of the connected socket
98 * @param [in] xmlstream xml data stream
99 * @param [in] length legnth of the xml data stream
101 void send_XMLstream( SOCKET connected_socket, Byte_t *xmlstream, int length);
104 * send TID data stream to the client
106 * @param [in] connected_socket file descriptor of the connected socket
107 * @param [in] tid tid string
108 * @param [in] tidlen legnth of the tid string
110 void send_TIDstream( SOCKET connected_socket, char *tid, int tidlen);
113 * send CID data stream to the client
115 * @param [in] connected_socket file descriptor of the connected socket
116 * @param [in] cid cid string
117 * @param [in] cidlen legnth of the cid string
119 void send_CIDstream( SOCKET connected_socket, char *cid, int cidlen);
122 * send SIZ data stream to the client
124 * @param [in] connected_socket file descriptor of the connected socket
125 * @param [in] width original width of the image
126 * @param [in] height original height of the image
128 void send_SIZstream( SOCKET connected_socket, unsigned int width, unsigned int height);
131 * send response signal to the client
133 * @param [in] connected_socket file descriptor of the connected socket
134 * @param [in] succeed whether if the requested process succeeded
136 void response_signal( SOCKET connected_socket, bool succeed);
139 * receive a string line (ending with '\n') from client
141 * @param [in] connected_socket file descriptor of the connected socket
142 * @param [out] buf string to be stored
145 int receive_line(SOCKET connected_socket, char *buf);
148 * receive a string line (ending with '\n') from client, return malloc string
150 * @param [in] connected_socket file descriptor of the connected socket
151 * @return pointer to the string (memory allocated)
153 char * receive_string( SOCKET connected_socket);
158 * @param [in] sock closing socket
159 * @return 0 if succeed, -1 if failed
161 int close_socket( SOCKET sock);
163 #endif /* !IMGSOCK_MANAGER_H_ */
166 * PROTOCOL specification to communicate with opj_dec_server
168 *\section sec1 JPIP-stream
169 * Cache JPT- JPP- stream in server
171 * client -> server: JPIP-stream\\n version 1.1\\n (optional for cid registration: targetnamestring\\n tidstring\\n cidstring\\n) bytelengthvalue\\n data \n
172 * server -> client: 1 or 0 (of 1Byte response signal)
174 *\section sec2 PNM request
175 * Get decoded PGM/PPM image
177 * client -> server: PNM request\\n [cid/tid]string\\n fw\\n fh\\n \n
178 * server -> client: P6 or P5 (2Byte) width (2Byte Big endian) height (2Byte Big endian) maxval (1Byte) data
180 *\section sec3 XML request
183 * client -> server: XML request\\n \n
184 * server -> client: XML (3Byte) length (2Byte Big endian) data
186 *\section sec4 TID request
187 * Get target ID of target image
189 * client -> server: TID request\\n targetname\\n \n
190 * server -> client: TID (3Byte) length (1Byte) tiddata
192 *\section sec5 CID request
193 * Get Channel ID of identical target image
195 * client -> server: CID request\\n targetname\\n \n
196 * server -> client: CID (3Byte) length (1Byte) ciddata
198 *\section sec6 CID destroy
201 * client -> server: CID destroy\\n ciddata \n
202 * server -> client: 1 or 0 (of 1Byte response signal)
204 *\section sec7 SIZ request
205 * Get original size of image
207 * client -> server: SIZ request\\n tidstring\\n cidstring\\n \n
208 * server -> client: SIZ (3Byte) width (3Byte Big endian) height (3Byte Big endian)
210 *\section sec8 JP2 save
211 * Save in JP2 file format
213 * client -> server: JP2 save\\n ciddata \n
214 * server -> client: 1 or 0 (of 1Byte response signal)
217 * Quit the opj_dec_server program
219 * client -> server: quit or QUIT