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 #include "tools.h"
  32
  33 #define MIN(a, b) ((a) < (b) ? (a) : (b))
  34
  35 extern struct CtdlServInfo serv_info;
  36 extern char temp[];
  37 void citedit(FILE *fp, long int base_pos);
  38
  39 void chatmode(void) {
  40         char wbuf[256];
  41         char buf[256];
  42         char c_user[256];
  43         char c_text[256];
  44         char c_room[256];
  45         char last_user[256];
  46         int send_complete_line;
  47         int recv_complete_line;
  48         char ch;
  49         int a,pos;
  50
  51         fd_set rfds;
  52         struct timeval tv;
  53         int retval;
  54
  55         serv_puts("CHAT");
  56         serv_gets(buf);
  57         if (buf[0]!='8') {
  58                 printf("%s\n",&buf[4]);
  59                 return;
  60                 }
  61
  62         printf("Entering chat mode (type /quit to exit, /help for other cmds)\n");
  63         set_keepalives(KA_CHAT);
  64
  65         strcpy(buf,"");
  66         strcpy(wbuf,"");
  67         color(3);
  68         printf("> ");
  69         send_complete_line = 0;
  70         recv_complete_line = 0;
  71
  72         while(1) {
  73             fflush(stdout);
  74             FD_ZERO(&rfds);
  75             FD_SET(0,&rfds);
  76             FD_SET(getsockfd(),&rfds);
  77             tv.tv_sec = S_KEEPALIVE;
  78             tv.tv_usec = 0;
  79             retval = select(getsockfd()+1, &rfds, NULL, NULL, &tv);
  80
  81             if (FD_ISSET(getsockfd(), &rfds)) {
  82                 ch = serv_getc();
  83                 if (ch == 10) {
  84                         recv_complete_line = 1;
  85                         goto RCL; /* ugly, but we've gotta get out! */
  86                         }
  87                 else {
  88                         buf[strlen(buf) + 1] = 0;
  89                         buf[strlen(buf)] = ch;
  90                         }
  91                 goto RCL;
  92                 }
  93
  94             if (FD_ISSET(0, &rfds)) {
  95                 ch = inkey();
  96                 if ((ch == 10) || (ch == 13)) {
  97                         send_complete_line = 1;
  98                         }
  99                 else if ((ch == 8) || (ch == 127)) {
 100                         if (strlen(wbuf) > 0) {
 101                                 wbuf[strlen(wbuf)-1] = 0;
 102                                 printf("%c %c",8,8);
 103                                 }
 104                         }
 105                 else {
 106                         putc(ch,stdout);
 107                         wbuf[strlen(wbuf) + 1] = 0;
 108                         wbuf[strlen(wbuf)] = ch;
 109                         }
 110                 }
 111
 112
 113         /* if the user hit return, send the line */
 114 RCL:        if (send_complete_line) {
 115                 serv_puts(wbuf);
 116                 strcpy(wbuf,"");
 117                 send_complete_line = 0;
 118                 }
 119
 120         /* if it's time to word wrap, send a partial line */
 121             if ( strlen(wbuf) >= (77-strlen(fullname)) ) {
 122                 pos = 0;
 123                 for (a=0; a<strlen(wbuf); ++a) {
 124                         if (wbuf[a] == 32) pos = a;
 125                         }
 126                 if (pos == 0) {
 127                         serv_puts(wbuf);
 128                         strcpy(wbuf, "");
 129                         send_complete_line = 0;
 130                         }
 131                 else {
 132                         wbuf[pos] = 0;
 133                         serv_puts(wbuf);
 134                         strcpy(wbuf,&wbuf[pos+1]);
 135                         }
 136                 }
 137
 138             if (recv_complete_line) {
 139                 printf("\r%79s\r","");
 140                 if (!strcmp(buf,"000")) {
 141                         color(7);
 142                         printf("Exiting chat mode\n");
 143
 144                         fflush(stdout);
 145                         set_keepalives(KA_YES);
 146                         return;
 147                         }
 148                 if (num_parms(buf)>=2) {
 149                         extract(c_user,buf,0);
 150                         extract(c_text,buf,1);
 151                         if (num_parms(buf)>2)
 152                         {
 153                            extract(c_room,buf,2);
 154                            printf("Got room %s\n", c_room);
 155                         }
 156
 157                         if (strucmp(c_text,"NOOP")) {
 158                                 if (!strcmp(c_user, fullname)) {
 159                                         color(3);
 160                                         }
 161                                 else if (!strcmp(c_user,":")) {
 162                                         color(1);
 163                                         }
 164                                 else {
 165                                         color(2);
 166                                         }
 167                                 if (strcmp(c_user,last_user)) {
 168                                         snprintf(buf,sizeof buf,"%s: %s",c_user,c_text);
 169                                         }
 170                                 else {
 171                                         size_t i = MIN(sizeof buf - 1,
 172                                                        strlen(c_user) + 2);
 173
 174                                         memset(buf, ' ', i);
 175                                         safestrncpy(&buf[i], c_text,
 176                                                     sizeof buf - i);
 177                                         }
 178                                 while (strlen(buf)<79) strcat(buf," ");
 179                                 if (strcmp(c_user,last_user)) {
 180                                         printf("\r%79s\n","");
 181                                         strcpy(last_user,c_user);
 182                                         }
 183                                 printf("\r%s\n",buf);
 184                                 fflush(stdout);
 185                                 }
 186                         }
 187                 color(3);
 188                 printf("> %s",wbuf);
 189                 recv_complete_line = 0;
 190                 strcpy(buf,"");
 191                 }
 192             }
 193         }
 194
 195 /*
 196  * send an express message
 197  */
 198 void page_user() {
 199         static char last_paged[32] = "";
 200         char buf[256], touser[256], msg[256];
 201         FILE *fp;
 202
 203         strcpy(touser, last_paged);
 204         strprompt("Page who", touser, 30);
 205
 206         /* old server -- use inline paging */
 207         if (serv_info.serv_paging_level == 0) {
 208                 newprompt("Message:  ",msg,69);
 209                 snprintf(buf,sizeof buf,"SEXP %s|%s",touser,msg);
 210                 serv_puts(buf);
 211                 serv_gets(buf);
 212                 if (!strncmp(buf, "200", 3)) {
 213                         strcpy(last_paged, touser);
 214                         }
 215                 printf("%s\n", &buf[4]);
 216                 return;
 217         }
 218
 219         /* new server -- use extended paging */
 220         else if (serv_info.serv_paging_level >= 1) {
 221                 snprintf(buf, sizeof buf, "SEXP %s||", touser);
 222                 serv_puts(buf);
 223                 serv_gets(buf);
 224                 if (buf[0] != '2') {
 225                         printf("%s\n", &buf[4]);
 226                         return;
 227                         }
 228                 fp = fopen(temp, "w");
 229                 fp = freopen(temp, "rb+", fp);
 230                 if (fp==NULL) printf("Error: %s\n", strerror(errno));
 231                 unlink(temp);
 232                 printf("Type message to send.  Enter a blank line when finished.\n");
 233                 citedit(fp, 0);
 234                 snprintf(buf, sizeof buf, "SEXP %s|-", touser);
 235                 serv_puts(buf);
 236                 serv_gets(buf);
 237                 if (buf[0]=='4') {
 238                         strcpy(last_paged, touser);
 239                         rewind(fp);
 240                         while (fgets(buf, sizeof buf, fp) != NULL) {
 241                                 buf[strlen(buf)-1] = 0;
 242                                 if (strcmp(buf, "000")) serv_puts(buf);
 243                         unlink(temp);
 244                         }
 245                         serv_puts("000");
 246                         printf("Message sent.\n");
 247                 }
 248                 else {
 249                         printf("%s\n", &buf[4]);
 250                 }
 251                 fclose(fp);
 252         }
 253 }
 254
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