citadel/textclient/client_chat.c

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