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/* t-eventloop.c - regression test
Copyright (C) 2000 Werner Koch (dd9jn)
Copyright (C) 2001, 2002, 2003 g10 Code GmbH
This file is part of GPGME.
GPGME 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 2 of the License, or
(at your option) any later version.
GPGME 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 GPGME; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <sys/select.h>
#include <gpgme.h>
#define fail_if_err(err) \
do \
{ \
if (err) \
{ \
fprintf (stderr, "%s:%d: gpgme_error_t %s\n", \
__FILE__, __LINE__, gpgme_strerror (err)); \
exit (1); \
} \
} \
while (0)
static void
print_data (gpgme_data_t dh)
{
char buf[100];
int ret;
ret = gpgme_data_seek (dh, 0, SEEK_SET);
if (ret)
fail_if_err (GPGME_File_Error);
while ((ret = gpgme_data_read (dh, buf, 100)) > 0)
fwrite (buf, ret, 1, stdout);
if (ret < 0)
fail_if_err (GPGME_File_Error);
}
/* Stripped down version of gpgme/wait.c. */
struct op_result
{
int done;
gpgme_error_t err;
};
struct op_result op_result;
struct one_fd
{
int fd;
int dir;
gpgme_io_cb_t fnc;
void *fnc_data;
};
#define FDLIST_MAX 32
struct one_fd fdlist[FDLIST_MAX];
gpgme_error_t
add_io_cb (void *data, int fd, int dir, gpgme_io_cb_t fnc, void *fnc_data,
void **r_tag)
{
struct one_fd *fds = data;
int i;
for (i = 0; i < FDLIST_MAX; i++)
{
if (fds[i].fd == -1)
{
fds[i].fd = fd;
fds[i].dir = dir;
fds[i].fnc = fnc;
fds[i].fnc_data = fnc_data;
break;
}
}
if (i == FDLIST_MAX)
return GPGME_General_Error;
*r_tag = &fds[i];
return 0;
}
void
remove_io_cb (void *tag)
{
struct one_fd *fd = tag;
fd->fd = -1;
}
void
io_event (void *data, gpgme_event_io_t type, void *type_data)
{
struct op_result *result = data;
if (type == GPGME_EVENT_DONE)
{
result->done = 1;
result->err = * (gpgme_error_t *) type_data;
}
}
int
do_select (void)
{
fd_set rfds;
fd_set wfds;
int i, n;
int any = 0;
FD_ZERO (&rfds);
FD_ZERO (&wfds);
for (i = 0; i < FDLIST_MAX; i++)
if (fdlist[i].fd != -1)
FD_SET (fdlist[i].fd, fdlist[i].dir ? &rfds : &wfds);
do
{
n = select (FD_SETSIZE, &rfds, &wfds, NULL, 0);
}
while (n < 0 && errno == EINTR);
if (n < 0)
return n; /* Error or timeout. */
for (i = 0; i < FDLIST_MAX && n; i++)
{
if (fdlist[i].fd != -1)
{
if (FD_ISSET (fdlist[i].fd, fdlist[i].dir ? &rfds : &wfds))
{
assert (n);
n--;
any = 1;
(*fdlist[i].fnc) (fdlist[i].fnc_data, fdlist[i].fd);
}
}
}
return any;
}
int
my_wait (void)
{
int n;
do
{
n = do_select ();
}
while (n >= 0 && !op_result.done);
return 0;
}
struct gpgme_io_cbs io_cbs =
{
add_io_cb,
fdlist,
remove_io_cb,
io_event,
&op_result
};
int
main (int argc, char *argv[])
{
gpgme_ctx_t ctx;
gpgme_error_t err;
gpgme_data_t in, out;
gpgme_user_id_t rset = NULL;
gpgme_user_id_t *rset_lastp = &rset;
int i;
for (i = 0; i < FDLIST_MAX; i++)
fdlist[i].fd = -1;
err = gpgme_engine_check_version (GPGME_PROTOCOL_OpenPGP);
fail_if_err (err);
err = gpgme_new (&ctx);
fail_if_err (err);
gpgme_set_armor (ctx, 1);
gpgme_set_io_cbs (ctx, &io_cbs);
op_result.done = 0;
err = gpgme_data_new_from_mem (&in, "Hallo Leute\n", 12, 0);
fail_if_err (err);
err = gpgme_data_new (&out);
fail_if_err (err);
err = gpgme_user_ids_append (rset_lastp, "Alpha");
fail_if_err (err);
(*rset_lastp)->validity = GPGME_VALIDITY_FULL;
rset_lastp = &(*rset_lastp)->next;
err = gpgme_user_ids_append (rset_lastp, "Bob");
fail_if_err (err);
(*rset_lastp)->validity = GPGME_VALIDITY_FULL;
err = gpgme_op_encrypt_start (ctx, rset, in, out);
fail_if_err (err);
my_wait ();
fail_if_err (op_result.err);
fail_if_err (err);
fflush (NULL);
fputs ("Begin Result:\n", stdout);
print_data (out);
fputs ("End Result.\n", stdout);
gpgme_user_ids_release (rset);
gpgme_data_release (in);
gpgme_data_release (out);
gpgme_release (ctx);
return 0;
}
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