/*
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/*
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* Copyright (C) 1997, 1998 Olivetti & Oracle Research Laboratory
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* Copyright (C) 1997, 1998 Olivetti & Oracle Research Laboratory
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*
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*
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* This is free software; you can redistribute it and/or modify
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* (at your option) any later version.
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*
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*
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* This software is distributed in the hope that it will be useful,
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* GNU General Public License for more details.
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*
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*
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* You should have received a copy of the GNU General Public License
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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* USA.
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*/
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*/
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/*
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/*
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* vncviewer.c - VNC viewer for nano-X.
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* vncviewer.c - VNC viewer for nano-X.
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*/
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*/
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#include <vncviewer.h>
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#include <vncviewer.h>
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static void HandleEvents(GR_EVENT *ev);
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static void HandleEvents(GR_EVENT *ev);
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int
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int
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main(int argc, char **argv)
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main(int argc, char **argv)
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{
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{
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#ifndef NANOX
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#ifndef NANOX
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fd_set fds;
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fd_set fds;
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struct timeval tv, *tvp;
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struct timeval tv, *tvp;
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int msWait;
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int msWait;
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#endif
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#endif
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processArgs(argc, argv);
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processArgs(argc, argv);
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if (listenSpecified) {
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if (listenSpecified) {
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#ifndef NANOX
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#ifndef NANOX
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listenForIncomingConnections();
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listenForIncomingConnections();
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/* returns only with a succesful connection */
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/* returns only with a succesful connection */
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#endif
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#endif
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} else {
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} else {
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if (!ConnectToRFBServer(hostname, port)) exit(1);
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if (!ConnectToRFBServer(hostname, port)) exit(1);
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}
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}
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if (!InitialiseRFBConnection(rfbsock)) exit(1);
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if (!InitialiseRFBConnection(rfbsock)) exit(1);
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if (!CreateXWindow()) exit(1);
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if (!CreateXWindow()) exit(1);
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if (!SetFormatAndEncodings()) {
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if (!SetFormatAndEncodings()) {
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ShutdownX();
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ShutdownX();
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exit(1);
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exit(1);
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}
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}
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if (!SendFramebufferUpdateRequest(updateRequestX, updateRequestY,
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if (!SendFramebufferUpdateRequest(updateRequestX, updateRequestY,
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updateRequestW, updateRequestH, False)) {
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updateRequestW, updateRequestH, False)) {
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ShutdownX();
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ShutdownX();
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exit(1);
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exit(1);
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}
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}
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printf("nanox fd = %d, rfbsock = %d\n", ConnectionNumber(dpy), rfbsock);
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printf("nanox fd = %d, rfbsock = %d\n", ConnectionNumber(dpy), rfbsock);
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#ifdef NANOX
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#ifdef NANOX
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/* register the RFB socket */
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/* register the RFB socket */
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GrRegisterInput(rfbsock);
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GrRegisterInput(rfbsock);
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/* call the nanox main loop to wait for all events */
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/* call the nanox main loop to wait for all events */
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while (True) {
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while (True) {
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GrMainLoop(HandleEvents);
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GrMainLoop(HandleEvents);
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}
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}
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#else
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#else
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while (True) {
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while (True) {
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/*
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/*
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* Always handle all X events before doing select. This is the
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* Always handle all X events before doing select. This is the
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* simplest way of ensuring that we don't block in select while
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* simplest way of ensuring that we don't block in select while
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* Xlib has some events on its queue.
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* Xlib has some events on its queue.
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*/
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*/
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if (!HandleXEvents()) {
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if (!HandleXEvents()) {
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ShutdownX();
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ShutdownX();
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exit(1);
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exit(1);
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}
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}
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tvp = NULL;
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tvp = NULL;
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if (sendUpdateRequest) {
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if (sendUpdateRequest) {
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gettimeofday(&tv, NULL);
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gettimeofday(&tv, NULL);
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msWait = (updateRequestPeriodms +
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msWait = (updateRequestPeriodms +
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((updateRequestTime.tv_sec - tv.tv_sec) * 1000) +
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((updateRequestTime.tv_sec - tv.tv_sec) * 1000) +
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((updateRequestTime.tv_usec - tv.tv_usec) / 1000));
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((updateRequestTime.tv_usec - tv.tv_usec) / 1000));
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if (msWait > 0) {
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if (msWait > 0) {
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tv.tv_sec = msWait / 1000;
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tv.tv_sec = msWait / 1000;
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tv.tv_usec = (msWait % 1000) * 1000;
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tv.tv_usec = (msWait % 1000) * 1000;
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tvp = &tv;
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tvp = &tv;
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} else {
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} else {
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if (!SendIncrementalFramebufferUpdateRequest()) {
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if (!SendIncrementalFramebufferUpdateRequest()) {
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ShutdownX();
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ShutdownX();
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exit(1);
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exit(1);
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}
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}
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}
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}
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}
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}
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FD_ZERO(&fds);
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FD_ZERO(&fds);
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FD_SET(ConnectionNumber(dpy),&fds);
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FD_SET(ConnectionNumber(dpy),&fds);
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FD_SET(rfbsock,&fds);
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FD_SET(rfbsock,&fds);
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if (select(FD_SETSIZE, &fds, NULL, NULL, tvp) < 0) {
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if (select(FD_SETSIZE, &fds, NULL, NULL, tvp) < 0) {
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perror("select");
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perror("select");
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ShutdownX();
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ShutdownX();
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exit(1);
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exit(1);
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}
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}
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if (FD_ISSET(rfbsock, &fds)) {
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if (FD_ISSET(rfbsock, &fds)) {
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if (!HandleRFBServerMessage()) {
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if (!HandleRFBServerMessage()) {
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ShutdownX();
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ShutdownX();
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exit(1);
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exit(1);
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}
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}
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}
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}
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}
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}
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#endif /* NANOX */
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#endif /* NANOX */
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return 0;
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return 0;
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}
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}
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#ifdef NANOX
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#ifdef NANOX
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/*
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/*
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* call-back routine to handle all events
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* call-back routine to handle all events
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*/
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*/
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void
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void
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HandleEvents(GR_EVENT *ev)
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HandleEvents(GR_EVENT *ev)
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{
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{
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struct timeval tv, *tvp;
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struct timeval tv, *tvp;
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int msWait;
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int msWait;
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/* printf("%2d ", ev->type);
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/* printf("%2d ", ev->type);
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fflush(stdout);
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fflush(stdout);
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*/
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*/
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if (ev->type == GR_EVENT_TYPE_FDINPUT) {
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if (ev->type == GR_EVENT_TYPE_FDINPUT) {
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if (!HandleRFBServerMessage()) {
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if (!HandleRFBServerMessage()) {
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ShutdownX();
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ShutdownX();
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exit(1);
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exit(1);
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}
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}
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} else {
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} else {
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if (!HandleXEvents(ev)) {
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if (!HandleXEvents(ev)) {
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ShutdownX();
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ShutdownX();
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exit(1);
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exit(1);
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}
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}
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}
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}
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if (sendUpdateRequest) {
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if (sendUpdateRequest) {
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gettimeofday(&tv, NULL);
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gettimeofday(&tv, NULL);
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msWait = (updateRequestPeriodms +
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msWait = (updateRequestPeriodms +
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((updateRequestTime.tv_sec - tv.tv_sec) * 1000) +
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((updateRequestTime.tv_sec - tv.tv_sec) * 1000) +
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((updateRequestTime.tv_usec - tv.tv_usec) / 1000));
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((updateRequestTime.tv_usec - tv.tv_usec) / 1000));
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if (msWait > 0) {
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if (msWait > 0) {
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tv.tv_sec = msWait / 1000;
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tv.tv_sec = msWait / 1000;
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tv.tv_usec = (msWait % 1000) * 1000;
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tv.tv_usec = (msWait % 1000) * 1000;
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tvp = &tv;
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tvp = &tv;
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} else {
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} else {
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if (!SendIncrementalFramebufferUpdateRequest()) {
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if (!SendIncrementalFramebufferUpdateRequest()) {
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ShutdownX();
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ShutdownX();
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exit(1);
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exit(1);
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}
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}
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}
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}
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}
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}
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}
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}
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#endif /* NANOX */
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#endif /* NANOX */
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