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/*
* Copyright (C) 1997, 1998 Olivetti & Oracle Research Laboratory
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
/*
* args.c - argument processing.
*/
#include <sys/utsname.h>
#include <x2vnc.h>
#define FLASHPORT (5400) /* Offset to listen for `flash' commands */
#define CLIENTPORT (5500) /* Offset to listen for reverse connections */
#define SERVERPORT (5900) /* Offset to server for regular connections */
char *programName;
char hostname[256];
int port;
Bool listenSpecified = False;
int listenPort = 0, flashPort = 0;
char *displayname = NULL;
Bool shareDesktop = False;
CARD32 explicitEncodings[MAX_ENCODINGS];
int nExplicitEncodings = 0;
Bool addCopyRect = True;
Bool addRRE = True;
Bool addCoRRE = True;
Bool addHextile = True;
Bool useBGR233 = False;
Bool forceOwnCmap = False;
Bool forceTruecolour = False;
Bool resurface = True;
int requestedDepth = 0;
char *geometry = NULL;
int wmDecorationWidth = 4;
int wmDecorationHeight = 24;
char *passwdFile = NULL;
int updateRequestPeriodms = 0;
int updateRequestX = 0;
int updateRequestY = 0;
int updateRequestW = 0;
int updateRequestH = 0;
int rawDelay = 0;
int copyRectDelay = 0;
Bool debug = False;
void usage()
{
fprintf(stderr,"\n"
"usage: %s [<options>] <host>:<display#>\n"
" %s [<options>] -listen [<display#>]\n"
"\n"
"<options> are:\n"
" [-display <display>] [-shared]\n"
" [-north] [-south] [-east] [-west]\n"
" [-passwd <passwd-file>]\n"
" [-resurface]\n"
,programName,programName);
exit(1);
}
void
processArgs(int argc, char **argv)
{
int i;
Bool argumentSpecified = False;
programName = argv[0];
for (i = 1; i < argc; i++) {
if (strcmp(argv[i],"-display") == 0) {
if (++i >= argc) usage();
displayname = argv[i];
} else if (strcmp(argv[i],"-east") == 0) {
edge=EDGE_EAST;
} else if (strcmp(argv[i],"-west") == 0) {
edge=EDGE_WEST;
} else if (strcmp(argv[i],"-north") == 0) {
edge=EDGE_NORTH;
} else if (strcmp(argv[i],"-south") == 0) {
edge=EDGE_SOUTH;
} else if (strcmp(argv[i],"-resurface") == 0) {
resurface=True;
} else if (strcmp(argv[i],"-shared") == 0) {
shareDesktop = True;
} else if (strcmp(argv[i],"-passwd") == 0) {
if (++i >= argc) usage();
passwdFile = argv[i];
} else if (strcmp(argv[i],"-debug") == 0) {
debug = True;
} else if (strcmp(argv[i],"-listen") == 0) {
if (argumentSpecified) usage();
listenSpecified = True;
if (++i < argc) {
listenPort = CLIENTPORT+atoi(argv[i]);
flashPort = FLASHPORT+atoi(argv[i]);
}
} else if (argv[i][0] != '-') {
if (argumentSpecified || listenSpecified) usage();
argumentSpecified = True;
if (sscanf(argv[i], "%[^:]:%d", hostname, &port) != 2) usage();
if (port < 100)
port += SERVERPORT;
} else {
usage();
}
}
if (listenSpecified) {
if (listenPort == 0) {
char *display;
char *colonPos;
struct utsname hostinfo;
display = XDisplayName(displayname);
colonPos = strchr(display, ':');
uname(&hostinfo);
if (colonPos && ((colonPos == display) ||
(strncmp(hostinfo.nodename, display,
strlen(hostinfo.nodename)) == 0))) {
listenPort = CLIENTPORT+atoi(colonPos+1);
flashPort = FLASHPORT+atoi(colonPos+1);
} else {
fprintf(stderr,"%s: cannot work out which display number to "
"listen on.\n", programName);
fprintf(stderr,
"Please specify explicitly with -listen <num>\n");
exit(1);
}
}
} else if (!argumentSpecified) {
usage();
}
}
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