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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2003-2025 Free Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Mailutils is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#include "imap4d.h"
int
imap4d_idle (struct imap4d_session *session,
struct imap4d_command *command, imap4d_tokbuf_t tok)
{
struct timeval stop_time, tv, *to;
char *token_str = NULL;
size_t token_size = 0, token_len;
if (imap4d_tokbuf_argc (tok) != 2)
return io_completion_response (command, RESP_BAD, "Invalid arguments");
if (mu_stream_ioctl (iostream, MU_IOCTL_TIMEOUT, MU_IOCTL_OP_GET, &tv))
return io_completion_response (command, RESP_NO, "Cannot idle");
io_sendf ("+ idling\n");
io_flush ();
if (idle_timeout)
{
gettimeofday (&stop_time, NULL);
stop_time.tv_sec += idle_timeout;
to = &tv;
}
else
to = NULL;
while (1)
{
int rc;
if (to)
{
struct timeval d;
gettimeofday (&d, NULL);
if (mu_timeval_cmp (&d, &stop_time) >= 0)
{
imap4d_bye (ERR_TIMEOUT);
}
*to = mu_timeval_sub (&stop_time, &d);
}
rc = mu_stream_timed_getline (iostream, &token_str, &token_size,
to, &token_len);
if (rc == MU_ERR_TIMEOUT)
{
imap4d_bye (ERR_TIMEOUT);
}
else if (rc)
{
mu_error (_("read error: %s"), mu_strerror (rc));
imap4d_bye (ERR_NO_IFILE);
}
else if (token_len == 0)
{
mu_error ("%s", _("eof while idling"));
imap4d_bye (ERR_NO_IFILE);
}
token_len = mu_rtrim_class (token_str, MU_CTYPE_ENDLN);
if (token_len == 4 && mu_c_strcasecmp (token_str, "done") == 0)
break;
imap4d_sync ();
io_flush ();
}
free (token_str);
return io_completion_response (command, RESP_OK, "terminated");
}
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