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  * $Id$
   8  *
   9  */
  10
  11 #include "sysdep.h"
  12 #include <stdlib.h>
  13 #include <unistd.h>
  14 #include <stdio.h>
  15 #include <fcntl.h>
  16 #include <ctype.h>
  17 #include <string.h>
  18 #include <signal.h>
  19 #include <errno.h>
  20 #include <sys/time.h>
  21 #include <sys/types.h>
  22 #ifdef HAVE_SYS_SELECT_H
  23 #include <sys/select.h>
  24 #endif
  25 #include "citadel.h"
  26 #include "client_chat.h"
  27 #include "commands.h"
  28 #include "routines.h"
  29 #include "ipc.h"
  30 #include "citadel_decls.h"
  31
  32 void chatmode(void) {
  33         char wbuf[256];
  34         char buf[256];
  35         char c_user[256];
  36         char c_text[256];
  37         char c_room[256];
  38         char last_user[256];
  39         int send_complete_line;
  40         int recv_complete_line;
  41         char ch;
  42         int a,pos;
  43
  44         fd_set rfds;
  45         struct timeval tv;
  46         int retval;
  47
  48         serv_puts("CHAT");
  49         serv_gets(buf);
  50         if (buf[0]!='8') {
  51                 printf("%s\n",&buf[4]);
  52                 return;
  53                 }
  54
  55         printf("Entering chat mode (type /quit to exit, /help for other cmds)\n");
  56         set_keepalives(KA_CHAT);
  57
  58         strcpy(buf,"");
  59         strcpy(wbuf,"");
  60         color(3);
  61         printf("> ");
  62         send_complete_line = 0;
  63         recv_complete_line = 0;
  64
  65         while(1) {
  66             fflush(stdout);
  67             FD_ZERO(&rfds);
  68             FD_SET(0,&rfds);
  69             FD_SET(getsockfd(),&rfds);
  70             tv.tv_sec = S_KEEPALIVE;
  71             tv.tv_usec = 0;
  72             retval = select(getsockfd()+1, &rfds, NULL, NULL, &tv);
  73
  74             if (FD_ISSET(getsockfd(), &rfds)) {
  75                 ch = serv_getc();
  76                 if (ch == 10) {
  77                         recv_complete_line = 1;
  78                         goto RCL; /* ugly, but we've gotta get out! */
  79                         }
  80                 else {
  81                         buf[strlen(buf) + 1] = 0;
  82                         buf[strlen(buf)] = ch;
  83                         }
  84                 goto RCL;
  85                 }
  86
  87             if (FD_ISSET(0, &rfds)) {
  88                 ch = inkey();
  89                 if ((ch == 10) || (ch == 13)) {
  90                         send_complete_line = 1;
  91                         }
  92                 else if ((ch == 8) || (ch == 127)) {
  93                         if (strlen(wbuf) > 0) {
  94                                 wbuf[strlen(wbuf)-1] = 0;
  95                                 printf("%c %c",8,8);
  96                                 }
  97                         }
  98                 else {
  99                         putc(ch,stdout);
 100                         wbuf[strlen(wbuf) + 1] = 0;
 101                         wbuf[strlen(wbuf)] = ch;
 102                         }
 103                 }
 104
 105
 106         /* if the user hit return, send the line */
 107 RCL:        if (send_complete_line) {
 108                 serv_puts(wbuf);
 109                 strcpy(wbuf,"");
 110                 send_complete_line = 0;
 111                 }
 112
 113         /* if it's time to word wrap, send a partial line */
 114             if ( strlen(wbuf) >= (77-strlen(fullname)) ) {
 115                 pos = 0;
 116                 for (a=0; a<strlen(wbuf); ++a) {
 117                         if (wbuf[a] == 32) pos = a;
 118                         }
 119                 if (pos == 0) {
 120                         serv_puts(wbuf);
 121                         strcpy(wbuf, "");
 122                         send_complete_line = 0;
 123                         }
 124                 else {
 125                         wbuf[pos] = 0;
 126                         serv_puts(wbuf);
 127                         strcpy(wbuf,&wbuf[pos+1]);
 128                         }
 129                 }
 130
 131             if (recv_complete_line) {
 132                 printf("\r%79s\r","");
 133                 if (!strcmp(buf,"000")) {
 134                         color(7);
 135                         printf("Exiting chat mode\n");
 136
 137                         fflush(stdout);
 138                         set_keepalives(KA_YES);
 139                         return;
 140                         }
 141                 if (num_parms(buf)>=2) {
 142                         extract(c_user,buf,0);
 143                         extract(c_text,buf,1);
 144                         if (num_parms(buf)>2)
 145                         {
 146                            extract(c_room,buf,2);
 147                            printf("Got room %s\n", c_room);
 148                         }
 149
 150                         if (strucmp(c_text,"NOOP")) {
 151                                 if (!strcmp(c_user, fullname)) {
 152                                         color(3);
 153                                         }
 154                                 else if (!strcmp(c_user,":")) {
 155                                         color(1);
 156                                         }
 157                                 else {
 158                                         color(2);
 159                                         }
 160                                 if (strcmp(c_user,last_user)) {
 161                                         sprintf(buf,"%s: %s",c_user,c_text);
 162                                         }
 163                                 else {
 164                                         sprintf(buf,"%40s","");
 165                                         sprintf(&buf[strlen(c_user)+2],
 166                                                 "%s",c_text);
 167                                         }
 168                                 while (strlen(buf)<79) strcat(buf," ");
 169                                 if (strcmp(c_user,last_user)) {
 170                                         printf("\r%79s\n","");
 171                                         strcpy(last_user,c_user);
 172                                         }
 173                                 printf("\r%s\n",buf);
 174                                 fflush(stdout);
 175                                 }
 176                         }
 177                 color(3);
 178                 printf("> %s",wbuf);
 179                 recv_complete_line = 0;
 180                 strcpy(buf,"");
 181                 }
 182             }
 183         }
 184
 185