void chat_process_command(chat_context_t *ctx, ffs_packet_t *pkt) {
int err = 0;
/* Parse the packet */
enum ChatCommand cmd = CC_LOGOUT;
uint32_t pos = 0;
err = ChatCommand_deserialize(pkt->data, FFS_DATA_SIZE, &pos, &cmd);
if (err) goto cleanup;
switch (cmd) {
case CC_LOGOUT:
err = chat_process_logout(ctx, pkt, &pos);
break;
case CC_SETSEEK:
err = chat_process_setseek(ctx, pkt, &pos);
break;
case CC_GETSEEK:
err = chat_process_getseek(ctx, pkt, &pos);
break;
case CC_GET_CHANNEL:
err = chat_process_getchannel(ctx, pkt, &pos);
break;
case CC_CLOSE_CHANNEL:
err = chat_process_closechannel(ctx, pkt, &pos);
break;
case CC_GET_EXCHANGE:
err = chat_process_getexchange(ctx, pkt, &pos);
break;
case CC_ENCRYPT:
err = chat_process_encrypt(ctx, pkt, &pos);
break;
case CC_INCOMING:
err = chat_process_incoming(ctx, pkt, &pos);
break;
}
cleanup:
if (err) {
uint32_t length = 0;
msel_memset(pkt->data, 0, FFS_DATA_SIZE);
if (!ChatResponse_serialize(pkt->data, FFS_DATA_SIZE, &length, CR_ERROR)) {
while (msel_svc(MSEL_SVC_SESSION_SEND, pkt) != MSEL_OK)
msel_svc(MSEL_SVC_YIELD, NULL);
}
}
}
Chat()
{
CHATID chatid;
char cbuf[CHATLINE_TEXT_MAX+1];
int cfd;
int rc;
int done_chatting = 0;
int margin, curspos, maxpos, endpos;
int ch, i;
int metakey = 0;
int shift, shiftdelta;
move(2, 0);
clrtobot();
do {
if (getdata(2,0,"Enter chatid: ",chatid,sizeof chatid,DOECHO,1)==-1)
return FULLUPDATE;
if (*chatid == '\0') {
strncpy(chatid, myinfo.userid, CHATID_MAX);
chatid[CHATID_MAX] = '\0';
}
rc = bbs_chat(chatid, (LONG *)&cfd);
switch (rc) {
case S_OK: break;
case S_BADCHATID:
case S_CHATIDINUSE:
bbperror(rc, NULL);
break;
default:
bbperror(rc, "Error entering chat");
return PARTUPDATE;
}
} while (rc != S_OK);
add_io(cfd, 0);
chat_resetscreen(chatid);
memset(cbuf, '\0', sizeof cbuf);
margin = CHATID_MAX+2;
maxpos = sizeof(cbuf) - margin - 1;
curspos = 0;
endpos = 0;
shift = 0;
shiftdelta = (t_columns - margin) / 2;
while (!done_chatting) {
move(g_echatwin+1, margin+(curspos-shift));
ch = igetch();
if (NewPagePending()) {
chat_show_page_request();
}
if (ch == -1) done_chatting = 1;
else if (ch == I_OTHERDATA) {
/* Incoming! */
if (chat_process_incoming(cfd, chatid) == -1)
done_chatting = 1;
}
else if (metakey) {
switch (ch) {
case 'b': case 'B':
if (curspos == 0) bell();
else {
while (curspos && isspace(cbuf[curspos-1])) curspos--;
while (curspos && !isspace(cbuf[curspos-1])) curspos--;
}
break;
case 'f': case 'F':
if (curspos == endpos) bell();
else {
while (curspos < endpos && isspace(cbuf[curspos])) curspos++;
while (curspos < endpos && !isspace(cbuf[curspos])) curspos++;
}
break;
default:
bell();
}
metakey = 0;
}
else switch (ch) {
case '\r':
case '\n':
if (endpos > 0) {
cbuf[endpos] = '\n';
done_chatting = chat_process_local(cbuf, chatid);
if (done_chatting == -1) {
done_chatting = (bbs_chat_send(cbuf) != S_OK);
}
}
memset(cbuf, '\0', sizeof cbuf);
endpos = curspos = 0;
move(g_echatwin+1, margin);
clrtoeol();
break;
case CTRL('A'):
if (curspos == 0) bell();
else curspos = 0;
break;
case CTRL('B'):
if (curspos == 0) bell();
else curspos--;
break;
case CTRL('C'):
bbs_chat_send("/e\n");
done_chatting = 1;
break;
case CTRL('D'):
if (curspos == endpos) bell();
else {
for (i=curspos; i<endpos; i++) cbuf[i] = cbuf[i+1];
endpos--;
move(g_echatwin+1, margin+(curspos-shift));
prints("%s", cbuf+curspos);
clrtoeol();
}
break;
case CTRL('E'):
if (curspos == endpos) bell();
else curspos = endpos;
break;
case CTRL('F'):
if (curspos == endpos) bell();
else curspos++;
break;
case CTRL('H'):
case 127:
if (curspos == 0) bell();
else {
for (i=curspos; i<=endpos; i++) cbuf[i-1] = cbuf[i];
endpos--;
curspos--;
move(g_echatwin+1, margin+(curspos-shift));
prints("%s", cbuf+curspos);
clrtoeol();
}
break;
case CTRL('U'):
if (endpos == 0) bell();
else {
memset(cbuf, '\0', sizeof cbuf);
curspos = endpos = 0;
move(g_echatwin+1, margin);
clrtoeol();
}
break;
case CTRL('W'):
if (curspos == 0) bell();
else {
while (curspos && isspace(cbuf[curspos-1])) {
for (i=curspos; i<=endpos; i++) cbuf[i-1] = cbuf[i];
curspos--, endpos--;
}
while (curspos && !isspace(cbuf[curspos-1])) {
for (i=curspos; i<=endpos; i++) cbuf[i-1] = cbuf[i];
curspos--, endpos--;
}
move(g_echatwin+1, margin+(curspos-shift));
prints("%s", cbuf+curspos);
clrtoeol();
}
break;
case 27: /* ESC */
metakey = 1;
break;
default:
if (isprint(ch) && endpos < maxpos) {
for (i=endpos; i>curspos; i--) cbuf[i] = cbuf[i-1];
cbuf[curspos] = ch;
move(g_echatwin+1, margin+(curspos-shift));
prints("%s", cbuf+curspos);
curspos++;
endpos++;
}
else bell();
}
if (curspos-shift >= (t_columns-margin)) {
while (curspos-shift >= (t_columns-margin)) shift += shiftdelta;
move(g_echatwin+1, margin);
prints("%s", cbuf+shift);
clrtoeol();
}
else if (curspos < shift) {
while (curspos < shift) shift -= shiftdelta;
move(g_echatwin+1, margin);
prints("%s", cbuf+shift);
clrtoeol();
}
}
bbs_exit_chat();
g_you_have_mail = 0;
add_io(0, 0);
return FULLUPDATE;
}
