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/*
* Copyright 2013 Google Inc.
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/*
* Author: ncardwell@google.com (Neal Cardwell)
*
* Implementation for the socket-related state and logic.
*/
#include "socket.h"
#include <stdlib.h>
#include <string.h>
#include "run.h"
void socket_close(struct state *state, struct fd_state *fd)
{
struct socket *socket = fd_to_socket(fd);
if (fd->live_fd >= 0 && !socket->fd.is_closed) {
assert(fd->script_fd >= 0);
DEBUGP("closing struct state socket "
"live.fd:%d script.fd:%d\n",
fd->live_fd, fd->script_fd);
if (state->so_instance != NULL) {
if (state->so_instance->ifc.close(state->so_instance->ifc.userdata, fd->live_fd))
die_perror("close");
} else {
if (close(fd->live_fd))
die_perror("close");
}
}
if (socket->protocol == IPPROTO_TCP &&
socket->live.local.port != 0 &&
socket->live.remote.port != 0 &&
!state->config->is_wire_client &&
reset_connection(state, socket)) {
die("error reseting connection\n");
}
socket_free(socket);
}
/* Global info about file descriptors that point to sockets. */
struct fd_ops socket_ops = {
.type = FD_SOCKET,
.close = socket_close,
};
struct socket *socket_new(struct state *state)
{
struct socket *socket = calloc(1, sizeof(struct socket));
socket->fd.ops = &socket_ops;
socket->ts_val_map = hash_map_new(1);
state_add_fd(state, to_fd(socket));
return socket;
}
void socket_free(struct socket *socket)
{
hash_map_free(socket->ts_val_map);
memset(socket, 0, sizeof(*socket)); /* paranoia to help catch bugs */
free(socket);
}
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