Annotation of ansh/src/client2.c, revision 1.1
1.1 ! misho 1: /*************************************************************************
! 2: * (C) 2011 AITNET - Sofia/Bulgaria - <office@aitnet.org>
! 3: * by Michael Pounov <misho@elwix.org>
! 4: *
! 5: * $Author: misho $
! 6: * $Id: global.h,v 1.2 2011/06/08 12:45:40 misho Exp $
! 7: *
! 8: *************************************************************************/
! 9: #include "global.h"
! 10:
! 11:
! 12: static int
! 13: SetRemoteWinz(int h, u_short id, struct ether_addr *ea, u_char *buf, int buflen)
! 14: {
! 15: u_short *pos = (u_short*) buf;
! 16: struct winsize ws;
! 17:
! 18: FTRACE(5);
! 19:
! 20: memset(buf, 0, buflen);
! 21: if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == -1) {
! 22: printf("Error:: ioctl(winsize) #%d - %s\n", errno, strerror(errno));
! 23: return -1;
! 24: }
! 25:
! 26: pos[0] = htons(ws.ws_row);
! 27: pos[1] = htons(ws.ws_col);
! 28: pos[2] = htons(ws.ws_xpixel);
! 29: pos[3] = htons(ws.ws_ypixel);
! 30: if (pktSend(h, id, ANSH_FLG_WINZ, buf, sizeof ws, ea) == -1)
! 31: return -1;
! 32:
! 33: return 0;
! 34: }
! 35:
! 36: int
! 37: ConnectL2(int h, u_short id, struct ether_addr *ea, int len)
! 38: {
! 39: fd_set rfd;
! 40: struct ether_header eth;
! 41: struct timeval tv = { 10, 0 };
! 42: struct termios otio;
! 43: int rlen, ret = 0;
! 44: char flg;
! 45: u_char *buf;
! 46:
! 47: FTRACE(3);
! 48:
! 49: if (!(buf = malloc(len))) {
! 50: printf("Error:: no enough memory #%d - %s\n", errno, strerror(errno));
! 51: return -1;
! 52: }
! 53:
! 54: if (SetRemoteWinz(h, id, ea, buf, len) == -1) {
! 55: free(buf);
! 56: return -1;
! 57: }
! 58:
! 59: ioSetRAWMode(STDIN_FILENO, &otio);
! 60:
! 61: while (!Kill) {
! 62: FD_ZERO(&rfd);
! 63: FD_SET(h, &rfd);
! 64: FD_SET(STDIN_FILENO, &rfd);
! 65: if (select(h + 1, &rfd, NULL, NULL, &tv) < 1) {
! 66: ret = -1;
! 67: break;
! 68: }
! 69: if (FD_ISSET(STDIN_FILENO, &rfd)) {
! 70: memset(buf, 0, len);
! 71: rlen = read(STDIN_FILENO, buf, len);
! 72: if (rlen == -1) {
! 73: printf("Error:: read(stdin) #%d - %s\n", errno, strerror(errno));
! 74: ret = -1;
! 75: break;
! 76: }
! 77: rlen = pktSend(h, id, ANSH_FLG_CPOUT, buf, rlen, ea);
! 78: if (rlen == ANSH_FLG_ERR) {
! 79: ret = -1;
! 80: break;
! 81: }
! 82: } else {
! 83: rlen = len;
! 84: memset(buf, 0, rlen);
! 85: flg = pktRecv(h, buf, &rlen, ð);
! 86: if (flg == ANSH_FLG_ERR) {
! 87: ret = -1;
! 88: break;
! 89: }
! 90: if (ntohs(eth.ether_type) != id) {
! 91: VERB(4) LOG("different service id %d / %d\n", ntohs(eth.ether_type), id);
! 92: continue;
! 93: }
! 94: if (flg == ANSH_FLG_EOF) {
! 95: VERB(3) LOG("receive EOF going down.\n");
! 96: Kill++;
! 97: }
! 98: if (flg != ANSH_FLG_OK)
! 99: continue;
! 100: rlen = write(STDOUT_FILENO, buf, rlen);
! 101: if (rlen == -1) {
! 102: printf("Error:: write(stdout) #%d - %s\n", errno, strerror(errno));
! 103: ret = -1;
! 104: break;
! 105: }
! 106: }
! 107: }
! 108:
! 109: ioRestoreMode(STDIN_FILENO, otio);
! 110: free(buf);
! 111: return ret;
! 112: }
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