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/* message-type.c -- SSH message smob.
*
* Copyright (C) 2013, 2014, 2015, 2016 Artyom V. Poptsov <poptsov.artyom@gmail.com>
*
* This file is part of Guile-SSH
*
* Guile-SSH 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 of the
* License, or (at your option) any later version.
*
* Guile-SSH 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 Guile-SSH. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <libguile.h>
#include <libssh/libssh.h>
#include <libssh/server.h>
#include "message-type.h"
#include "message-func.h"
#include "common.h"
scm_t_bits message_tag; /* Smob tag. */
/* GC callbacks. */
SCM
mark_message (SCM message)
{
struct message_data *md = _scm_to_message_data (message);
return md->session;
}
size_t
free_message (SCM message)
{
struct message_data *md = (struct message_data *) SCM_SMOB_DATA (message);
ssh_message_free (md->message);
return 0;
}
/* Printing procedure. */
static int
print_message (SCM smob, SCM port, scm_print_state *pstate)
{
SCM msg_type = guile_ssh_message_get_type (smob);
scm_puts ("#<message ", port);
scm_display (msg_type, port);
scm_puts (" ", port);
scm_display (_scm_object_hex_address (smob), port);
scm_puts (">", port);
return 1;
}
/* Predicates. */
SCM
equalp_message (SCM x1, SCM x2)
{
struct message_data *msg1 = _scm_to_message_data (x1);
struct message_data *msg2 = _scm_to_message_data (x2);
if ((! msg1) || (! msg2))
return SCM_BOOL_F;
else if (msg1 != msg2)
return SCM_BOOL_F;
else
return SCM_BOOL_T;
}
SCM_DEFINE (guile_ssh_is_message_p,
"message?", 1, 0, 0,
(SCM x),
"\
Return #t if X a SSH message, #f otherwise.\
")
{
return scm_from_bool (SCM_SMOB_PREDICATE (message_tag, x));
}
/* Helper procedures. */
SCM
_scm_from_ssh_message (const ssh_message message, SCM session)
{
SCM smob;
struct message_data *message_data
= (struct message_data *) scm_gc_malloc (sizeof (struct message_data),
"message");
message_data->message = message;
message_data->session = session;
SCM_NEWSMOB (smob, message_tag, message_data);
return smob;
}
/* Convert X to a SSH message. */
struct message_data *
_scm_to_message_data (SCM x)
{
scm_assert_smob_type (message_tag, x);
return (struct message_data *) SCM_SMOB_DATA (x);
}
/* Message smob initialization. */
void
init_message_type (void)
{
message_tag = scm_make_smob_type ("message", sizeof (struct message_data));
scm_set_smob_mark (message_tag, mark_message);
scm_set_smob_free (message_tag, free_message);
scm_set_smob_print (message_tag, print_message);
scm_set_smob_equalp (message_tag, equalp_message);
#include "message-type.x"
}
/* message-type.c ends here */
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