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Annotation of OpenXM/src/oxc/oxc.c, Revision 1.6

1.1       ohara       1: /* -*- mode: C -*- */
1.6     ! ohara       2: /* $OpenXM: OpenXM/src/oxc/oxc.c,v 1.5 2000/12/01 07:34:48 ohara Exp $ */
1.1       ohara       3:
                      4: #include <stdio.h>
                      5: #include <stdlib.h>
                      6: #include <unistd.h>
                      7: #include <string.h>
                      8: #include "mysocket.h"
                      9: #include "ox_toolkit.h"
                     10: #include "sm.h"
                     11:
                     12: /* oxc -c password -p port -h hostname */
                     13: static char *remote_host = "";
                     14: static short port = 0;
                     15: static char *password = "";
                     16:
                     17: int oxf_connect_dup(char *remote, short port)
                     18: {
                     19:     int fd = mysocketOpen(remote, port);
                     20:     /* Here do we need to confirm? */
                     21:     dup2(fd, 3);
                     22:     dup2(fd, 4); /* is it necessary? maybe fd == 4. */
                     23:     return fd;
                     24: }
                     25:
                     26: int lf_oxc_open_main(char *cmd, short port)
                     27: {
                     28:     int pid = 0;
                     29:     if (cmd != NULL && (pid = fork()) == 0) {
                     30:         oxf_connect_dup(remote_host, port);
                     31:         fprintf(stderr, "oxc: oxc_open(%s, %d)\n", cmd, port);
                     32:         execlp(cmd, cmd, NULL);
                     33:     }
                     34:     fprintf(stderr, "oxc: cannnot oxc_open(%s, %d).\n", cmd, port);
                     35:     return pid; /* if error, pid == 0 */
                     36: }
                     37:
                     38: OXFILE *connection()
                     39: {
                     40:     OXFILE *oxfp = oxf_connect_active(remote_host, port);
                     41:     if (oxfp != NULL) {
                     42:         oxf_confirm_server(oxfp, password);
                     43:         oxf_determine_byteorder_server(oxfp);
                     44:     }
                     45:     return oxfp;
                     46: }
                     47:
1.2       ohara      48: /* xterm, kterm, rxvt, gnome-terminal, ... */
                     49: static char *xterminal()
                     50: {
1.6     ! ohara      51:     char *e = getenv("OpenXM_XTERM");
        !            52:     return (e != NULL)? e: "xterm";
1.2       ohara      53: }
                     54:
1.4       ohara      55: static int basic0[] =  {
1.6     ! ohara      56:     CMO_ERROR2,
        !            57:     CMO_NULL,
        !            58:     CMO_INT32,
        !            59:     CMO_DATUM,
        !            60:     CMO_STRING,
        !            61:     CMO_MATHCAP,
        !            62:     CMO_LIST,
        !            63:     0
1.5       ohara      64: };
                     65:
                     66: /* We assume that data has the following format:
                     67:    LENGTH hostname '\0' port '\0' password '\0'
                     68:    where LENGTH is an integer with network byte order and its value
                     69:    equals to the sum of the length of three data above.
                     70: */
                     71:
                     72: void pipe_read_info(char **hostname, int *port, char **password);
1.4       ohara      73:
1.1       ohara      74: int main(int argc, char *argv[])
                     75: {
                     76:     OXFILE *oxfp;
1.6     ! ohara      77:     char *port_s = "";
        !            78:     char *xterm =  xterminal();
        !            79:     char *myname = argv[0];
        !            80:     int oxlog = 0;
1.1       ohara      81:     int c;
1.2       ohara      82:
                     83:     while ((c = getopt(argc, argv, "c:p:h:x")) != -1) {
1.1       ohara      84:         switch(c) {
                     85:         case 'h':
                     86:             remote_host = optarg;
                     87:             break;
                     88:         case 'c':
                     89:             password = optarg;
1.6     ! ohara      90:
1.1       ohara      91:             break;
                     92:         case 'p':
                     93:             port = atoi(optarg);
1.6     ! ohara      94:             port_s = optarg;
1.2       ohara      95:             break;
1.6     ! ohara      96:         case 'x':
        !            97:             if (getenv("DISPLAY") != NULL) {
        !            98:                 oxlog = 1;
        !            99:             }
1.1       ohara     100:             break;
                    101:         default:
                    102:         }
                    103:     }
                    104:     argc -= optind;
                    105:     argv += optind;
                    106:
1.5       ohara     107:     if (strlen(remote_host) == 0) {
1.6     ! ohara     108:         pipe_read_info(&remote_host, &port, &password);
        !           109:         port_s = malloc(32);
        !           110:         sprintf(port_s, "%d", port);
        !           111:     }
        !           112:     if (oxlog) {
        !           113:         execlp(xterm, xterm, "-e", myname,
        !           114:                "-h", remote_host, "-p", port_s, "-c", password);
        !           115:     }
1.5       ohara     116:
1.1       ohara     117:     fprintf(stderr, "start connection!\n");
1.6     ! ohara     118:     if ((oxfp = connection()) == NULL) {
1.1       ohara     119:         fprintf(stderr, "oxc: cannot connect.\n");
                    120:     }else {
1.6     ! ohara     121:         fprintf(stderr, "oxc: oxfp = %p, fd = %d\n", oxfp, oxfp->fd);
        !           122:         mathcap_init(20001006, "v2000.10.06", "oxc", basic0, NULL);
        !           123:         sm(oxfp);
        !           124:     }
1.1       ohara     125:     return 0;
                    126: }