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/* $Id: conns.c,v 1.23 2004-08-10 21:24:23 rjkaes Exp $
*
* Create and free the connection structure. One day there could be
* other connection related tasks put here, but for now the header
* file and this file are only used for create/free functions and the
* connection structure definition.
*
* Copyright (C) 2001 Robert James Kaes (rjkaes@flarenet.com)
*
* 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, 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.
*/
#include "tinyproxy.h"
#include "buffer.h"
#include "conns.h"
#include "heap.h"
#include "log.h"
#include "stats.h"
struct conn_s *
initialize_conn(int client_fd, const char* ipaddr, const char* string_addr,
const char* sock_ipaddr)
{
struct conn_s *connptr;
struct buffer_s *cbuffer, *sbuffer;
assert(client_fd >= 0);
/*
* Allocate the memory for all the internal components
*/
cbuffer = new_buffer();
sbuffer = new_buffer();
if (!cbuffer || !sbuffer)
goto error_exit;
/*
* Allocate the space for the conn_s structure itself.
*/
connptr = safemalloc(sizeof(struct conn_s));
if (!connptr)
goto error_exit;
connptr->client_fd = client_fd;
connptr->server_fd = -1;
connptr->cbuffer = cbuffer;
connptr->sbuffer = sbuffer;
connptr->request_line = NULL;
/* These store any error strings */
connptr->error_variables = NULL;
connptr->error_string = NULL;
connptr->error_number = -1;
connptr->connect_method = FALSE;
connptr->show_stats = FALSE;
connptr->protocol.major = connptr->protocol.minor = 0;
/* There is _no_ content length initially */
connptr->content_length.server = connptr->content_length.client = -1;
connptr->server_ip_addr = sock_ipaddr ? safestrdup(sock_ipaddr) : 0;
connptr->client_ip_addr = safestrdup(ipaddr);
connptr->client_string_addr = safestrdup(string_addr);
connptr->upstream_proxy = NULL;
update_stats(STAT_OPEN);
#ifdef REVERSE_SUPPORT
connptr->reversepath = NULL;
#endif
return connptr;
error_exit:
/*
* If we got here, there was a problem allocating memory
*/
if (cbuffer)
delete_buffer(cbuffer);
if (sbuffer)
delete_buffer(sbuffer);
return NULL;
}
void
destroy_conn(struct conn_s *connptr)
{
assert(connptr != NULL);
if (connptr->client_fd != -1)
if (close(connptr->client_fd) < 0)
log_message(LOG_INFO, "Client (%d) close message: %s",
connptr->client_fd, strerror(errno));
if (connptr->server_fd != -1)
if (close(connptr->server_fd) < 0)
log_message(LOG_INFO, "Server (%d) close message: %s",
connptr->server_fd, strerror(errno));
if (connptr->cbuffer)
delete_buffer(connptr->cbuffer);
if (connptr->sbuffer)
delete_buffer(connptr->sbuffer);
if (connptr->request_line)
safefree(connptr->request_line);
if (connptr->error_variables)
hashmap_delete(connptr->error_variables);
if (connptr->error_string)
safefree(connptr->error_string);
if (connptr->server_ip_addr)
safefree(connptr->server_ip_addr);
if (connptr->client_ip_addr)
safefree(connptr->client_ip_addr);
if (connptr->client_string_addr)
safefree(connptr->client_string_addr);
#ifdef REVERSE_SUPPORT
if (connptr->reversepath)
safefree(connptr->reversepath);
#endif
safefree(connptr);
update_stats(STAT_CLOSE);
}
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