387 lines
8.8 KiB
C
387 lines
8.8 KiB
C
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/*
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* LibNoPoll: A websocket library
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* Copyright (C) 2013 Advanced Software Production Line, S.L.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free
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* Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*
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* You may find a copy of the license under this software is released
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* at COPYING file. This is LGPL software: you are welcome to develop
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* proprietary applications using this library without any royalty or
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* fee but returning back any change, improvement or addition in the
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* form of source code, project image, documentation patches, etc.
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*
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* For commercial support on build Websocket enabled solutions
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* contact us:
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*
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* Postal address:
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* Advanced Software Production Line, S.L.
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* Edificio Alius A, Oficina 102,
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* C/ Antonio Suarez Nº 10,
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* Alcalá de Henares 28802 Madrid
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* Spain
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*
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* Email address:
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* info@aspl.es - http://www.aspl.es/nopoll
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*/
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#ifndef __NOPOLL_PRIVATE_H__
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#define __NOPOLL_PRIVATE_H__
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#include "openssl/ssl.h"
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#include <nopoll_handlers.h>
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typedef struct _noPollCertificate {
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char * serverName;
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char * certificateFile;
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char * privateKey;
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char * optionalChainFile;
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} noPollCertificate;
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struct _noPollCtx {
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/**
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* @internal Controls logs output..
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*/
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/* context reference counting */
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int refs;
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/* console log */
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nopoll_bool not_executed;
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nopoll_bool debug_enabled;
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/* colored log */
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nopoll_bool not_executed_color;
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nopoll_bool debug_color_enabled;
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nopoll_bool keep_looping;
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/**
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* @internal noPollConn connection timeout.
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*/
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long conn_connect_std_timeout;
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/**
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* @internal Default listener connection backlog
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*/
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int backlog;
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/**
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* @internal Currently selected io engine on this context.
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*/
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noPollIoEngine * io_engine;
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/**
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* @internal Connection array list and its length.
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*/
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int conn_id;
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noPollConn ** conn_list;
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int conn_length;
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/**
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* @internal Number of connections registered on this context.
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*/
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int conn_num;
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/**
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* @internal Reference to defined on accept handling.
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*/
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noPollActionHandler on_accept;
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noPollPtr on_accept_data;
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/**
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* @internal Reference to defined on ready handling.
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*/
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noPollActionHandler on_ready;
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noPollPtr on_ready_data;
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/**
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* @internal Reference to defined on open handling.
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*/
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noPollActionHandler on_open;
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noPollPtr on_open_data;
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/**
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* @internal Reference to the defined on message handling.
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*/
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noPollOnMessageHandler on_msg;
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noPollPtr on_msg_data;
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/**
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* @internal Basic fake support for protocol version, by
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* default: 13, due to RFC6455 standard
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*/
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int protocol_version;
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/**
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* @internal Certificates added..
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*/
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noPollCertificate * certificates;
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int certificates_length;
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/* mutex */
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noPollPtr ref_mutex;
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/* log handling */
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noPollLogHandler log_handler;
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noPollPtr log_user_data;
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/* context creator */
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noPollSslContextCreator context_creator;
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noPollPtr context_creator_data;
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/* SSL postcheck */
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noPollSslPostCheck post_ssl_check;
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noPollPtr post_ssl_check_data;
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};
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struct _noPollConn {
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/**
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* @internal Connection id.
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*/
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int id;
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/**
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* @internal The context associated to this connection.
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*/
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noPollCtx * ctx;
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/**
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* @internal This is the actual socket handler associated to
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* the noPollConn object.
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*/
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NOPOLL_SOCKET session;
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/**
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* @internal Flag to signal this connection has finished its
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* handshake.
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*/
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nopoll_bool handshake_ok;
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/**
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* @internal Current connection receive function.
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*/
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noPollRead receive;
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/**
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* @internal Current connection receive function.
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*/
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noPollRead sends;
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/**
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* @internal The connection role.
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*/
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noPollRole role;
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/**
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* @internal Conection host ip location (connecting or listening).
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*/
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char * host;
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/**
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* @internal Connection port location (connecting or
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* listening).
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*/
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char * port;
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/**
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* @internal Host name requested on the connection.
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*/
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char * host_name;
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/**
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* @internal Origin requested on the connection.
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*/
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char * origin;
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/**
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* @internal reference to the get url.
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*/
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char * get_url;
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/**
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* @internal Reference to protocols requested to be opened on
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* this connection.
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*/
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char * protocols;
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/* @internal reference to the protocol that was replied by the server */
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char * accepted_protocol;
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/* close status and reason */
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int peer_close_status;
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char * peer_close_reason;
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/**
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* @internal Reference to the defined on message handling.
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*/
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noPollOnMessageHandler on_msg;
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noPollPtr on_msg_data;
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/**
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* @internal Reference to defined on ready handling.
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*/
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noPollActionHandler on_ready;
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noPollPtr on_ready_data;
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/**
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* @internal Reference to the defined on close handling.
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*/
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noPollOnCloseHandler on_close;
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noPollPtr on_close_data;
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/* reference to the handshake */
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noPollHandShake * handshake;
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/* reference to a buffer with pending content */
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char * pending_line;
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/**
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* @internal connection reference counting.
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*/
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int refs;
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/**
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* @internal References to pending content to be read
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*/
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noPollMsg * pending_msg;
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long int pending_diff;
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long int pending_desp;
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/**
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* @internal Flag to handle TLS support upon connection
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* reception.
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*/
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nopoll_bool tls_on;
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/**
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* @internal Flag that indicates that the provided session
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* must call to accept the TLS session before proceeding.
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*/
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nopoll_bool pending_ssl_accept;
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/* SSL support */
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SSL_CTX * ssl_ctx;
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SSL * ssl;
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/* certificates */
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char * certificate;
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char * private_key;
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char * chain_certificate;
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/* pending buffer */
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char pending_buf[100];
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int pending_buf_bytes;
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/**
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* @internal Support for an user defined pointer.
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*/
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noPollPtr hook;
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/**
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* @internal Mutex
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*/
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noPollPtr ref_mutex;
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/**
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* @internal Variable to track pending bytes from previous
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* read that must be completed.
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*/
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noPollMsg * previous_msg;
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/* allows to track if previous message was a fragment to flag
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* next message, even having FIN enabled as a fragment. */
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nopoll_bool previous_was_fragment;
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char * pending_write;
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int pending_write_bytes;
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/**
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* @internal Internal reference to the connection options.
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*/
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noPollConnOpts * opts;
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/**
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* @internal Reference to the listener in the case this is a
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* connection that was created due to a listener running.
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*/
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noPollConn * listener;
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};
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struct _noPollIoEngine {
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noPollPtr io_object;
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noPollCtx * ctx;
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noPollIoMechCreate create;
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noPollIoMechDestroy destroy;
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noPollIoMechClear clear;
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noPollIoMechWait wait;
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noPollIoMechAddTo addto;
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noPollIoMechIsSet isset;
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};
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struct _noPollMsg {
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nopoll_bool has_fin;
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short op_code;
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nopoll_bool is_masked;
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noPollPtr payload;
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long int payload_size;
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int refs;
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noPollPtr ref_mutex;
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char mask[4];
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int remain_bytes;
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nopoll_bool is_fragment;
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int unmask_desp;
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};
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struct _noPollHandshake {
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/**
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* @internal Reference to the to the GET url HTTP/1.1 header
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* part.
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*/
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nopoll_bool upgrade_websocket;
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nopoll_bool connection_upgrade;
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nopoll_bool received_101;
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char * websocket_key;
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char * websocket_version;
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char * websocket_accept;
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char * expected_accept;
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/* reference to cookie header */
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char * cookie;
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};
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struct _noPollConnOpts {
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/* If the connection options object should be reused across calls */
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nopoll_bool reuse;
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/* mutex */
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noPollPtr mutex;
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int refs;
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/* What ssl protocol should be used */
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noPollSslProtocol ssl_protocol;
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/* SSL options */
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char * certificate;
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char * private_key;
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char * chain_certificate;
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char * ca_certificate;
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nopoll_bool disable_ssl_verify;
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/* cookie support */
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char * cookie;
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};
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#endif
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