citadel/textclient/client_chat.c

   1 /*
   2  * $Id$
   3  *
   4  * front end for chat mode
   5  * (the "single process" version - no more fork() anymore)
   6  *
   7  * Copyright (c) 1987-2010 by the citadel.org team
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 3 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 #include "sysdep.h"
  25 #include <stdlib.h>
  26 #include <unistd.h>
  27 #include <stdio.h>
  28 #include <fcntl.h>
  29 #include <ctype.h>
  30 #include <string.h>
  31 #include <signal.h>
  32 #include <errno.h>
  33
  34 #if TIME_WITH_SYS_TIME
  35 # include <sys/time.h>
  36 # include <time.h>
  37 #else
  38 # if HAVE_SYS_TIME_H
  39 #  include <sys/time.h>
  40 # else
  41 #  include <time.h>
  42 # endif
  43 #endif
  44
  45 #include <sys/types.h>
  46 #ifdef HAVE_SYS_SELECT_H
  47 #include <sys/select.h>
  48 #endif
  49 #include <stdarg.h>
  50 #include <libcitadel.h>
  51 #include "citadel.h"
  52 #include "citadel_ipc.h"
  53 #include "client_chat.h"
  54 #include "commands.h"
  55 #include "routines.h"
  56 #include "citadel_decls.h"
  57 #include "rooms.h"
  58 #include "messages.h"
  59 #ifndef HAVE_SNPRINTF
  60 #include "snprintf.h"
  61 #endif
  62 #include "screen.h"
  63
  64 #define MIN(a, b) ((a) < (b) ? (a) : (b))
  65
  66 extern char temp[];
  67 void ctdl_getline(char *, int);
  68
  69
  70 char last_paged[SIZ] = "";
  71
  72 void chatmode(CtdlIPC *ipc)
  73 {
  74         char wbuf[SIZ];
  75         char buf[SIZ];
  76         char response[SIZ];
  77         char c_user[SIZ];
  78         char c_text[SIZ];
  79         char last_user[SIZ];
  80         int send_complete_line;
  81         char ch;
  82         int a, pos;
  83         int seq = 0;
  84
  85         fd_set rfds;
  86         struct timeval tv;
  87         int retval;
  88
  89         CtdlIPC_chat_send(ipc, "RCHT enter");
  90         CtdlIPC_chat_recv(ipc, buf);
  91         if (buf[0] != '2') {
  92                 scr_printf("%s\n", &buf[4]);
  93                 return;
  94         }
  95         scr_printf("Entering chat mode (type /quit to exit)\n");
  96
  97         strcpy(buf, "");
  98         strcpy(wbuf, "");
  99         strcpy(last_user, "");
 100         color(BRIGHT_YELLOW);
 101         sln_printf_if("\n");
 102         sln_printf("> ");
 103         send_complete_line = 0;
 104
 105         while (1) {
 106                 sln_flush();
 107                 FD_ZERO(&rfds);
 108                 FD_SET(0, &rfds);
 109                 tv.tv_sec = 1;
 110                 tv.tv_usec = 0;
 111                 retval = select(1, &rfds, NULL, NULL, &tv);
 112
 113                 /* If there's data from the keyboard... */
 114                 if (FD_ISSET(0, &rfds)) {
 115                         ch = scr_getc(SCR_BLOCK);
 116                         if ((ch == 10) || (ch == 13)) {
 117                                 send_complete_line = 1;
 118                         } else if ((ch == 8) || (ch == 127)) {
 119                                 if (!IsEmptyStr(wbuf)) {
 120                                         wbuf[strlen(wbuf) - 1] = 0;
 121                                         sln_printf("%c %c", 8, 8);
 122                                 }
 123                         } else {
 124                                 sln_putc(ch);
 125                                 wbuf[strlen(wbuf) + 1] = 0;
 126                                 wbuf[strlen(wbuf)] = ch;
 127                         }
 128                 }
 129
 130                 /* if the user hit return, send the line */
 131                 if (send_complete_line) {
 132
 133                         if (!strcasecmp(wbuf, "/quit")) {
 134                                 CtdlIPC_chat_send(ipc, "RCHT exit");
 135                                 CtdlIPC_chat_recv(ipc, response);       /* don't care about the result */
 136                                 color(BRIGHT_WHITE);
 137                                 sln_printf("\rExiting chat mode\n");
 138                                 sln_flush();
 139                                 return;
 140                         }
 141
 142                         CtdlIPC_chat_send(ipc, "RCHT send");
 143                         CtdlIPC_chat_recv(ipc, response);
 144                         if (response[0] == '4') {
 145                                 CtdlIPC_chat_send(ipc, wbuf);
 146                                 CtdlIPC_chat_send(ipc, "000");
 147                         }
 148                         strcpy(wbuf, "");
 149                         send_complete_line = 0;
 150                 }
 151
 152                 /* if it's time to word wrap, send a partial line */
 153                 if (strlen(wbuf) >= (77 - strlen(fullname))) {
 154                         pos = 0;
 155                         for (a = 0; !IsEmptyStr(&wbuf[a]); ++a) {
 156                                 if (wbuf[a] == 32)
 157                                         pos = a;
 158                         }
 159                         if (pos == 0) {
 160                                 CtdlIPC_chat_send(ipc, "RCHT send");
 161                                 CtdlIPC_chat_recv(ipc, response);
 162                                 if (response[0] == '4') {
 163                                         CtdlIPC_chat_send(ipc, wbuf);
 164                                         CtdlIPC_chat_send(ipc, "000");
 165                                 }
 166                                 strcpy(wbuf, "");
 167                                 send_complete_line = 0;
 168                         } else {
 169                                 wbuf[pos] = 0;
 170                                 CtdlIPC_chat_send(ipc, "RCHT send");
 171                                 CtdlIPC_chat_recv(ipc, response);
 172                                 if (response[0] == '4') {
 173                                         CtdlIPC_chat_send(ipc, wbuf);
 174                                         CtdlIPC_chat_send(ipc, "000");
 175                                 }
 176                                 strcpy(wbuf, &wbuf[pos + 1]);
 177                         }
 178                 }
 179
 180                 /* poll for incoming chat messages */
 181                 snprintf(buf, sizeof buf, "RCHT poll|%d", seq);
 182                 CtdlIPC_chat_send(ipc, buf);
 183                 CtdlIPC_chat_recv(ipc, response);
 184
 185                 if (response[0] == '1') {
 186                         seq = extract_int(&response[4], 0);
 187                         extract_token(c_user, &response[4], 2, '|', sizeof c_user);
 188                         while (CtdlIPC_chat_recv(ipc, c_text), strcmp(c_text, "000")) {
 189                                 sln_printf("\r%79s\r", "");
 190                                 if (!strcmp(c_user, fullname)) {
 191                                         color(BRIGHT_YELLOW);
 192                                 } else if (!strcmp(c_user, ":")) {
 193                                         color(BRIGHT_RED);
 194                                 } else {
 195                                         color(BRIGHT_GREEN);
 196                                 }
 197                                 if (strcmp(c_user, last_user)) {
 198                                         snprintf(buf, sizeof buf, "%s: %s", c_user, c_text);
 199                                 } else {
 200                                         size_t i = MIN(sizeof buf - 1, strlen(c_user) + 2);
 201                                         memset(buf, ' ', i);
 202                                         safestrncpy(&buf[i], c_text, sizeof buf - i);
 203                                 }
 204                                 while (strlen(buf) < 79) {
 205                                         strcat(buf, " ");
 206                                 }
 207                                 if (strcmp(c_user, last_user)) {
 208                                         sln_printf("\r%79s\n", "");
 209                                         strcpy(last_user, c_user);
 210                                 }
 211                                 scr_printf("\r%s\n", buf);
 212                                 scr_flush();
 213                         }
 214                 }
 215                 color(BRIGHT_YELLOW);
 216                 sln_printf("\r> %s", wbuf);
 217                 sln_flush();
 218                 strcpy(buf, "");
 219         }
 220 }
 221
 222
 223 /*
 224  * send an instant message
 225  */
 226 void page_user(CtdlIPC *ipc)
 227 {
 228         char buf[SIZ], touser[SIZ], msg[SIZ];
 229         FILE *pagefp;
 230
 231         strcpy(touser, last_paged);
 232         strprompt("Page who", touser, 30);
 233
 234         /* old server -- use inline paging */
 235         if (ipc->ServInfo.paging_level == 0) {
 236                 newprompt("Message: ", msg, 69);
 237                 snprintf(buf, sizeof buf, "SEXP %s|%s", touser, msg);
 238                 CtdlIPC_chat_send(ipc, buf);
 239                 CtdlIPC_chat_recv(ipc, buf);
 240                 if (!strncmp(buf, "200", 3)) {
 241                         strcpy(last_paged, touser);
 242                 }
 243                 scr_printf("%s\n", &buf[4]);
 244                 return;
 245         }
 246         /* new server -- use extended paging */
 247         else if (ipc->ServInfo.paging_level >= 1) {
 248                 snprintf(buf, sizeof buf, "SEXP %s||", touser);
 249                 CtdlIPC_chat_send(ipc, buf);
 250                 CtdlIPC_chat_recv(ipc, buf);
 251                 if (buf[0] != '2') {
 252                         scr_printf("%s\n", &buf[4]);
 253                         return;
 254                 }
 255                 if (client_make_message(ipc, temp, touser, 0, 0, 0, NULL, 0) != 0) {
 256                         scr_printf("No message sent.\n");
 257                         return;
 258                 }
 259                 pagefp = fopen(temp, "r");
 260                 unlink(temp);
 261                 snprintf(buf, sizeof buf, "SEXP %s|-", touser);
 262                 CtdlIPC_chat_send(ipc, buf);
 263                 CtdlIPC_chat_recv(ipc, buf);
 264                 if (buf[0] == '4') {
 265                         strcpy(last_paged, touser);
 266                         while (fgets(buf, sizeof buf, pagefp) != NULL) {
 267                                 buf[strlen(buf) - 1] = 0;
 268                                 CtdlIPC_chat_send(ipc, buf);
 269                         }
 270                         fclose(pagefp);
 271                         CtdlIPC_chat_send(ipc, "000");
 272                         scr_printf("Message sent.\n");
 273                 } else {
 274                         scr_printf("%s\n", &buf[4]);
 275                 }
 276         }
 277 }
 278
 279
 280 void quiet_mode(CtdlIPC *ipc)
 281 {
 282         static int quiet = 0;
 283         char cret[SIZ];
 284         int r;
 285
 286         r = CtdlIPCEnableInstantMessageReceipt(ipc, !quiet, cret);
 287         if (r / 100 == 2) {
 288                 quiet = !quiet;
 289                 scr_printf("Quiet mode %sabled (%sother users may page you)\n",
 290                                 (quiet) ? "en" : "dis",
 291                                 (quiet) ? "no " : "");
 292         } else {
 293                 scr_printf("Unable to change quiet mode: %s\n", cret);
 294         }
 295 }
 296
 297
 298 void stealth_mode(CtdlIPC *ipc)
 299 {
 300         static int stealth = 0;
 301         char cret[SIZ];
 302         int r;
 303
 304         r = CtdlIPCStealthMode(ipc, !stealth, cret);
 305         if (r / 100 == 2) {
 306                 stealth = !stealth;
 307                 scr_printf("Stealth mode %sabled (you are %s)\n",
 308                                 (stealth) ? "en" : "dis",
 309                                 (stealth) ? "invisible" : "listed as online");
 310         } else {
 311                 scr_printf("Unable to change stealth mode: %s\n", cret);
 312         }
 313 }