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 <stdarg.h>
  26 #include "citadel.h"
  27 #include "client_chat.h"
  28 #include "commands.h"
  29 #include "routines.h"
  30 #include "ipc.h"
  31 #include "citadel_decls.h"
  32 #include "tools.h"
  33 #include "rooms.h"
  34 #include "messages.h"
  35 #ifndef HAVE_SNPRINTF
  36 #include "snprintf.h"
  37 #endif
  38
  39 #define MIN(a, b) ((a) < (b) ? (a) : (b))
  40
  41 extern struct CtdlServInfo serv_info;
  42 extern char temp[];
  43 void citedit(FILE *fp, long int base_pos);
  44 void getline(char *, int);
  45
  46 void chatmode(void) {
  47         char wbuf[256];
  48         char buf[256];
  49         char c_user[256];
  50         char c_text[256];
  51         char c_room[256];
  52         char last_user[256];
  53         int send_complete_line;
  54         int recv_complete_line;
  55         char ch;
  56         int a,pos;
  57
  58         fd_set rfds;
  59         struct timeval tv;
  60         int retval;
  61
  62         serv_puts("CHAT");
  63         serv_gets(buf);
  64         if (buf[0]!='8') {
  65                 printf("%s\n",&buf[4]);
  66                 return;
  67                 }
  68
  69         printf("Entering chat mode (type /quit to exit, /help for other cmds)\n");
  70         set_keepalives(KA_CHAT);
  71
  72         strcpy(buf,"");
  73         strcpy(wbuf,"");
  74         color(BRIGHT_YELLOW);
  75         printf("> ");
  76         send_complete_line = 0;
  77         recv_complete_line = 0;
  78
  79         while(1) {
  80             fflush(stdout);
  81             FD_ZERO(&rfds);
  82             FD_SET(0,&rfds);
  83             FD_SET(getsockfd(),&rfds);
  84             tv.tv_sec = S_KEEPALIVE;
  85             tv.tv_usec = 0;
  86             retval = select(getsockfd()+1, &rfds, NULL, NULL, &tv);
  87
  88             if (FD_ISSET(getsockfd(), &rfds)) {
  89                 ch = serv_getc();
  90                 if (ch == 10) {
  91                         recv_complete_line = 1;
  92                         goto RCL; /* ugly, but we've gotta get out! */
  93                         }
  94                 else {
  95                         buf[strlen(buf) + 1] = 0;
  96                         buf[strlen(buf)] = ch;
  97                         }
  98                 goto RCL;
  99                 }
 100
 101             if (FD_ISSET(0, &rfds)) {
 102                 ch = inkey();
 103                 if ((ch == 10) || (ch == 13)) {
 104                         send_complete_line = 1;
 105                         }
 106                 else if ((ch == 8) || (ch == 127)) {
 107                         if (strlen(wbuf) > 0) {
 108                                 wbuf[strlen(wbuf)-1] = 0;
 109                                 printf("%c %c",8,8);
 110                                 }
 111                         }
 112                 else {
 113                         putc(ch,stdout);
 114                         wbuf[strlen(wbuf) + 1] = 0;
 115                         wbuf[strlen(wbuf)] = ch;
 116                         }
 117                 }
 118
 119
 120         /* if the user hit return, send the line */
 121 RCL:        if (send_complete_line) {
 122                 serv_puts(wbuf);
 123                 strcpy(wbuf,"");
 124                 send_complete_line = 0;
 125                 }
 126
 127         /* if it's time to word wrap, send a partial line */
 128             if ( strlen(wbuf) >= (77-strlen(fullname)) ) {
 129                 pos = 0;
 130                 for (a=0; a<strlen(wbuf); ++a) {
 131                         if (wbuf[a] == 32) pos = a;
 132                         }
 133                 if (pos == 0) {
 134                         serv_puts(wbuf);
 135                         strcpy(wbuf, "");
 136                         send_complete_line = 0;
 137                         }
 138                 else {
 139                         wbuf[pos] = 0;
 140                         serv_puts(wbuf);
 141                         strcpy(wbuf,&wbuf[pos+1]);
 142                         }
 143                 }
 144
 145             if (recv_complete_line) {
 146                 printf("\r%79s\r","");
 147                 if (!strcmp(buf,"000")) {
 148                         color(BRIGHT_WHITE);
 149                         printf("Exiting chat mode\n");
 150
 151                         fflush(stdout);
 152                         set_keepalives(KA_YES);
 153
 154
 155                         /* Some users complained about the client and server
 156                          * losing protocol synchronization when exiting chat.
 157                          * This little dialog forces everything to be
 158                          * hunky-dory.
 159                          */
 160                         serv_puts("ECHO __ExitingChat__");
 161                         do {
 162                                 serv_gets(buf);
 163                         } while (strcmp(buf, "200 __ExitingChat__"));
 164
 165
 166                         return;
 167                         }
 168                 if (num_parms(buf)>=2) {
 169                         extract(c_user,buf,0);
 170                         extract(c_text,buf,1);
 171                         if (num_parms(buf)>2)
 172                         {
 173                            extract(c_room,buf,2);
 174                            printf("Got room %s\n", c_room);
 175                         }
 176
 177                         if (strucmp(c_text,"NOOP")) {
 178                                 if (!strcmp(c_user, fullname)) {
 179                                         color(BRIGHT_YELLOW);
 180                                         }
 181                                 else if (!strcmp(c_user,":")) {
 182                                         color(BRIGHT_RED);
 183                                         }
 184                                 else {
 185                                         color(BRIGHT_GREEN);
 186                                         }
 187                                 if (strcmp(c_user,last_user)) {
 188                                         snprintf(buf,sizeof buf,"%s: %s",c_user,c_text);
 189                                         }
 190                                 else {
 191                                         size_t i = MIN(sizeof buf - 1,
 192                                                        strlen(c_user) + 2);
 193
 194                                         memset(buf, ' ', i);
 195                                         safestrncpy(&buf[i], c_text,
 196                                                     sizeof buf - i);
 197                                         }
 198                                 while (strlen(buf)<79) strcat(buf," ");
 199                                 if (strcmp(c_user,last_user)) {
 200                                         printf("\r%79s\n","");
 201                                         strcpy(last_user,c_user);
 202                                         }
 203                                 printf("\r%s\n",buf);
 204                                 fflush(stdout);
 205                                 }
 206                         }
 207                 color(BRIGHT_YELLOW);
 208                 printf("> %s",wbuf);
 209                 recv_complete_line = 0;
 210                 strcpy(buf,"");
 211                 }
 212             }
 213         }
 214
 215 /*
 216  * send an express message
 217  */
 218 void page_user() {
 219         static char last_paged[32] = "";
 220         char buf[256], touser[256], msg[256];
 221         FILE *pagefp;
 222
 223         strcpy(touser, last_paged);
 224         strprompt("Page who", touser, 30);
 225
 226         /* old server -- use inline paging */
 227         if (serv_info.serv_paging_level == 0) {
 228                 newprompt("Message:  ", msg, 69);
 229                 snprintf(buf,sizeof buf,"SEXP %s|%s",touser,msg);
 230                 serv_puts(buf);
 231                 serv_gets(buf);
 232                 if (!strncmp(buf, "200", 3)) {
 233                         strcpy(last_paged, touser);
 234                         }
 235                 printf("%s\n", &buf[4]);
 236                 return;
 237         }
 238
 239         /* new server -- use extended paging */
 240         else if (serv_info.serv_paging_level >= 1) {
 241                 snprintf(buf, sizeof buf, "SEXP %s||", touser);
 242                 serv_puts(buf);
 243                 serv_gets(buf);
 244                 if (buf[0] != '2') {
 245                         printf("%s\n", &buf[4]);
 246                         return;
 247                         }
 248
 249                 if ( make_message(temp, touser, 0, 0, 0) != 0 ) {
 250                         printf("No message sent.\n");
 251                         return;
 252                 }
 253
 254                 pagefp = fopen(temp, "r");
 255                 unlink(temp);
 256                 snprintf(buf, sizeof buf, "SEXP %s|-", touser);
 257                 serv_puts(buf);
 258                 serv_gets(buf);
 259                 if (buf[0]=='4') {
 260                         strcpy(last_paged, touser);
 261                         while (fgets(buf, 256, pagefp) != NULL) {
 262                                 buf[strlen(buf)-1] = 0;
 263                                 serv_puts(buf);
 264                                 }
 265                         fclose(pagefp);
 266                         serv_puts("000");
 267                         printf("Message sent.\n");
 268                 }
 269                 else {
 270                         printf("%s\n", &buf[4]);
 271                 }
 272         }
 273 }
 274
 275
 276