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/* This file is part of libebb.
*
* Copyright (c) 2008 Ryan Dahl (ry@ndahl.us)
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef EBB_H
#define EBB_H
#include <sys/socket.h>
#include <netinet/in.h>
#include <ev.h>
#ifdef HAVE_GNUTLS
# include <gnutls/gnutls.h>
# include "rbtree.h" /* for ebb_server.session_cache */
#endif
#include "ebb_request_parser.h"
#define EBB_MAX_CONNECTIONS 1024
#define EBB_DEFAULT_TIMEOUT 30.0
#define EBB_AGAIN 0
#define EBB_STOP 1
typedef struct ebb_server ebb_server;
typedef struct ebb_connection ebb_connection;
typedef void (*ebb_after_write_cb) (ebb_connection *connection);
typedef void (*ebb_connection_cb)(ebb_connection *connection, void *data);
struct ebb_server {
int fd; /* ro */
struct sockaddr_in sockaddr; /* ro */
socklen_t socklen; /* ro */
char port[6]; /* ro */
struct ev_loop *loop; /* ro */
unsigned listening:1; /* ro */
unsigned secure:1; /* ro */
#ifdef HAVE_GNUTLS
gnutls_certificate_credentials_t credentials; /* private */
struct rbtree_t session_cache; /* private */
#endif
ev_io connection_watcher; /* private */
/* Public */
/* Allocates and initializes an ebb_connection. NULL by default. */
ebb_connection* (*new_connection) (ebb_server*, struct sockaddr_in*);
void *data;
};
struct ebb_connection {
int fd; /* ro */
struct sockaddr_in sockaddr; /* ro */
socklen_t socklen; /* ro */
ebb_server *server; /* ro */
char *ip; /* ro */
unsigned open:1; /* ro */
const char *to_write; /* ro */
size_t to_write_len; /* ro */
size_t written; /* ro */
ebb_after_write_cb after_write_cb; /* ro */
ebb_request_parser parser; /* private */
ev_io write_watcher; /* private */
ev_io read_watcher; /* private */
ev_timer timeout_watcher; /* private */
ev_timer goodbye_watcher; /* private */
#ifdef HAVE_GNUTLS
ev_io handshake_watcher; /* private */
gnutls_session_t session; /* private */
ev_io goodbye_tls_watcher; /* private */
#endif
/* Public */
ebb_request* (*new_request) (ebb_connection*);
/* Returns EBB_STOP or EBB_AGAIN. NULL by default. */
int (*on_timeout) (ebb_connection*);
void (*on_close) (ebb_connection*);
void *data;
};
void ebb_server_init (ebb_server *server, struct ev_loop *loop);
#ifdef HAVE_GNUTLS
int ebb_server_set_secure (ebb_server *server, const char *cert_file,
const char *key_file);
#endif
int ebb_server_listen_on_port (ebb_server *server, const int port);
int ebb_server_listen_on_fd (ebb_server *server, const int sfd);
void ebb_server_unlisten (ebb_server *server);
void ebb_connection_init (ebb_connection *);
void ebb_connection_schedule_close (ebb_connection *);
void ebb_connection_reset_timeout (ebb_connection *);
int ebb_connection_write (ebb_connection *, const char *buf, size_t len, ebb_after_write_cb);
#endif