openjpeg/src/lib/openjpip/imgsock_manager.c

226 lines
6.6 KiB
C
Raw Normal View History

/*
* $Id$
*
* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2014, Professor Benoit Macq
* Copyright (c) 2010-2011, Kaori Hagihara
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "imgsock_manager.h"
#if _WIN32
#define strncasecmp _strnicmp
#endif
msgtype_t identify_clientmsg(SOCKET connected_socket)
{
OPJ_SIZE_T receive_size;
char buf[BUF_LEN];
static const char *magicid[] = { "JPIP-stream", "PNM request", "XML request",
"TID request", "CID request", "CID destroy", "SIZ request", "JP2 save",
"QUIT"
};
int i;
receive_size = receive_line(connected_socket, buf);
if (receive_size == 0) {
fprintf(stderr, "Error to receive the header of client message\n");
return MSGERROR;
}
for (i = 0; i < NUM_OF_MSGTYPES; i++) {
if (strncasecmp(magicid[i], buf, strlen(magicid[i])) == 0) {
fprintf(stderr, "%s\n", magicid[i]);
return i;
}
}
fprintf(stderr, "Cannot identify client message type %s\n", buf);
return MSGERROR;
}
Byte_t * receive_JPIPstream(SOCKET connected_socket, char **target, char **tid,
char **cid, OPJ_SIZE_T *streamlen)
{
char buf[BUF_LEN];
const char versionstring[] = "version 1.2";
int idatalen;
OPJ_SIZE_T linelen, datalen;
Byte_t *jpipstream;
*target = *cid = *tid = NULL;
if ((linelen = receive_line(connected_socket, buf)) == 0) {
return NULL;
}
if (strncmp(versionstring, buf, strlen(versionstring)) != 0) {
fprintf(stderr, "Wrong format\n");
return NULL;
}
if ((linelen = receive_line(connected_socket, buf)) == 0) {
return NULL;
}
if (strstr(buf, "jp2")) {
/* register cid option*/
*target = strdup(buf);
if ((linelen = receive_line(connected_socket, buf)) == 0) {
return NULL;
}
if (strcmp(buf, "0") != 0) {
*tid = strdup(buf);
}
if ((linelen = receive_line(connected_socket, buf)) == 0) {
return NULL;
}
if (strcmp(buf, "0") != 0) {
*cid = strdup(buf);
}
if ((linelen = receive_line(connected_socket, buf)) == 0) {
return NULL;
}
}
idatalen = atoi(buf);
if (idatalen < 0) {
fprintf(stderr, "Receive Data: %d Bytes\n", idatalen);
return NULL;
}
datalen = (OPJ_SIZE_T)idatalen;
fprintf(stdout, "Receive Data: %lu Bytes\n", datalen);
jpipstream = receive_stream(connected_socket, datalen);
/* check EOR*/
if (jpipstream[datalen - 3] == 0x00 && (jpipstream[datalen - 2] == 0x01 ||
jpipstream[datalen - 2] == 0x02)) {
*streamlen = datalen - 3;
} else {
*streamlen = datalen;
}
return jpipstream;
}
void send_XMLstream(SOCKET connected_socket, Byte_t *xmlstream,
OPJ_SIZE_T length)
{
Byte_t header[5];
header[0] = 'X';
header[1] = 'M';
header[2] = 'L';
header[3] = (Byte_t)((length >> 8) & 0xff);
header[4] = (Byte_t)(length & 0xff);
send_stream(connected_socket, header, 5);
send_stream(connected_socket, xmlstream, length);
}
void send_IDstream(SOCKET connected_socket, const char *id, OPJ_SIZE_T idlen,
const char *label);
void send_CIDstream(SOCKET connected_socket, const char *cid, OPJ_SIZE_T cidlen)
{
send_IDstream(connected_socket, cid, cidlen, "CID");
}
void send_TIDstream(SOCKET connected_socket, const char *tid, OPJ_SIZE_T tidlen)
{
send_IDstream(connected_socket, tid, tidlen, "TID");
}
void send_IDstream(SOCKET connected_socket, const char *id, OPJ_SIZE_T idlen,
const char *label)
{
char header[4];
header[0] = label[0];
header[1] = label[1];
header[2] = label[2];
header[3] = (char)(idlen & 0xff);
send_stream(connected_socket, header, 4);
send_stream(connected_socket, id, idlen);
}
void send_PNMstream(SOCKET connected_socket, Byte_t *pnmstream,
unsigned int width, unsigned int height, unsigned int numofcomp, Byte_t maxval)
{
OPJ_SIZE_T pnmlen = 0;
Byte_t header[7];
pnmlen = width * height * numofcomp;
header[0] = 'P';
header[1] = numofcomp == 3 ? 6 : 5;
header[2] = (width >> 8) & 0xff;
header[3] = width & 0xff;
header[4] = (height >> 8) & 0xff;
header[5] = height & 0xff;
header[6] = maxval;
send_stream(connected_socket, header, 7);
send_stream(connected_socket, pnmstream, pnmlen);
}
void send_SIZstream(SOCKET connected_socket, unsigned int width,
unsigned int height)
{
Byte_t response[9];
response[0] = 'S';
response[1] = 'I';
response[2] = 'Z';
response[3] = (width >> 16) & 0xff;
response[4] = (width >> 8) & 0xff;
response[5] = width & 0xff;
response[6] = (height >> 16) & 0xff;
response[7] = (height >> 8) & 0xff;
response[8] = height & 0xff;
send_stream(connected_socket, response, 9);
}
void response_signal(SOCKET connected_socket, OPJ_BOOL succeed)
{
Byte_t code;
if (succeed) {
code = 1;
} else {
code = 0;
}
send_stream(connected_socket, &code, 1);
}