citadel/client_chat.c

   1 /*
   2  * Citadel/UX
   3  *
   4  * client_chat.c  --  front end for chat mode
   5  *                    (the "single process" version - no more fork() anymore)
   6  *
   7  */
   8
   9 #include "sysdep.h"
  10 #include <stdlib.h>
  11 #include <unistd.h>
  12 #include <stdio.h>
  13 #include <fcntl.h>
  14 #include <ctype.h>
  15 #include <string.h>
  16 #include <signal.h>
  17 #include <errno.h>
  18 #include <sys/time.h>
  19 #include <sys/types.h>
  20 #ifdef NEED_SELECT_H
  21 #include <sys/select.h>
  22 #endif
  23 #include "citadel.h"
  24 #include "client_chat.h"
  25 #include "commands.h"
  26 #include "routines.h"
  27 #include "ipc.h"
  28 #include "citadel_decls.h"
  29
  30 void chatmode(void) {
  31         char wbuf[256];
  32         char buf[256];
  33         char c_user[256];
  34         char c_text[256];
  35         char c_room[256];
  36         char last_user[256];
  37         int send_complete_line;
  38         int recv_complete_line;
  39         char ch;
  40         int a,pos;
  41
  42         fd_set rfds;
  43         struct timeval tv;
  44         int retval;
  45
  46         serv_puts("CHAT");
  47         serv_gets(buf);
  48         if (buf[0]!='8') {
  49                 printf("%s\n",&buf[4]);
  50                 return;
  51                 }
  52
  53         printf("Entering chat mode (type /quit to exit, /help for other cmds)\n");
  54         set_keepalives(KA_CHAT);
  55
  56         strcpy(buf,"");
  57         strcpy(wbuf,"");
  58         color(3);
  59         printf("> ");
  60         send_complete_line = 0;
  61         recv_complete_line = 0;
  62
  63         while(1) {
  64             fflush(stdout);
  65             FD_ZERO(&rfds);
  66             FD_SET(0,&rfds);
  67             FD_SET(getsockfd(),&rfds);
  68             tv.tv_sec = S_KEEPALIVE;
  69             tv.tv_usec = 0;
  70             retval = select(getsockfd()+1, &rfds, NULL, NULL, &tv);
  71
  72             if (FD_ISSET(getsockfd(), &rfds)) {
  73                 ch = serv_getc();
  74                 if (ch == 10) {
  75                         recv_complete_line = 1;
  76                         goto RCL; /* ugly, but we've gotta get out! */
  77                         }
  78                 else {
  79                         buf[strlen(buf) + 1] = 0;
  80                         buf[strlen(buf)] = ch;
  81                         }
  82                 goto RCL;
  83                 }
  84
  85             if (FD_ISSET(0, &rfds)) {
  86                 ch = inkey();
  87                 if ((ch == 10) || (ch == 13)) {
  88                         send_complete_line = 1;
  89                         }
  90                 else if ((ch == 8) || (ch == 127)) {
  91                         if (strlen(wbuf) > 0) {
  92                                 wbuf[strlen(wbuf)-1] = 0;
  93                                 printf("%c %c",8,8);
  94                                 }
  95                         }
  96                 else {
  97                         putc(ch,stdout);
  98                         wbuf[strlen(wbuf) + 1] = 0;
  99                         wbuf[strlen(wbuf)] = ch;
 100                         }
 101                 }
 102
 103
 104         /* if the user hit return, send the line */
 105 RCL:        if (send_complete_line) {
 106                 serv_puts(wbuf);
 107                 strcpy(wbuf,"");
 108                 send_complete_line = 0;
 109                 }
 110
 111         /* if it's time to word wrap, send a partial line */
 112             if ( strlen(wbuf) >= (77-strlen(fullname)) ) {
 113                 pos = 0;
 114                 for (a=0; a<strlen(wbuf); ++a) {
 115                         if (wbuf[a] == 32) pos = a;
 116                         }
 117                 if (pos == 0) {
 118                         serv_puts(wbuf);
 119                         strcpy(wbuf, "");
 120                         send_complete_line = 0;
 121                         }
 122                 else {
 123                         wbuf[pos] = 0;
 124                         serv_puts(wbuf);
 125                         strcpy(wbuf,&wbuf[pos+1]);
 126                         }
 127                 }
 128
 129             if (recv_complete_line) {
 130                 printf("\r%79s\r","");
 131                 if (!strcmp(buf,"000")) {
 132                         color(7);
 133                         printf("Exiting chat mode\n");
 134
 135                         fflush(stdout);
 136                         set_keepalives(KA_YES);
 137                         return;
 138                         }
 139                 if (num_parms(buf)>=2) {
 140                         extract(c_user,buf,0);
 141                         extract(c_text,buf,1);
 142                         if (num_parms(buf)>2)
 143                         {
 144                            extract(c_room,buf,2);
 145                            printf("Got room %s\n", c_room);
 146                         }
 147
 148                         if (strucmp(c_text,"NOOP")) {
 149                                 if (!strcmp(c_user, fullname)) {
 150                                         color(3);
 151                                         }
 152                                 else if (!strcmp(c_user,":")) {
 153                                         color(1);
 154                                         }
 155                                 else {
 156                                         color(2);
 157                                         }
 158                                 if (strcmp(c_user,last_user)) {
 159                                         sprintf(buf,"%s: %s",c_user,c_text);
 160                                         }
 161                                 else {
 162                                         sprintf(buf,"%40s","");
 163                                         sprintf(&buf[strlen(c_user)+2],
 164                                                 "%s",c_text);
 165                                         }
 166                                 while (strlen(buf)<79) strcat(buf," ");
 167                                 if (strcmp(c_user,last_user)) {
 168                                         printf("\r%79s\n","");
 169                                         strcpy(last_user,c_user);
 170                                         }
 171                                 printf("\r%s\n",buf);
 172                                 fflush(stdout);
 173                                 }
 174                         }
 175                 color(3);
 176                 printf("> %s",wbuf);
 177                 recv_complete_line = 0;
 178                 strcpy(buf,"");
 179                 }
 180             }
 181         }
 182
 183