eventmachine/eventmachine

/*****************************************************************************

$Id$

File:     eventmachine.h
Date:     15Apr06

Copyright (C) 2006-07 by Francis Cianfrocca. All Rights Reserved.
Gmail: blackhedd

This program is free software; you can redistribute it and/or modify
it under the terms of either: 1) 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; or 2) Ruby's License.

See the file COPYING for complete licensing information.

*****************************************************************************/

#ifndef __EVMA_EventMachine__H_
#define __EVMA_EventMachine__H_

#if __cplusplus
extern "C" {
#endif

    enum { // Event names
        EM_TIMER_FIRED = 100,
        EM_CONNECTION_READ = 101,
        EM_CONNECTION_UNBOUND = 102,
        EM_CONNECTION_ACCEPTED = 103,
        EM_CONNECTION_COMPLETED = 104,
        EM_LOOPBREAK_SIGNAL = 105,
        EM_CONNECTION_NOTIFY_READABLE = 106,
        EM_CONNECTION_NOTIFY_WRITABLE = 107,
        EM_SSL_HANDSHAKE_COMPLETED = 108,
        EM_SSL_VERIFY = 109,
        EM_PROXY_TARGET_UNBOUND = 110,
        EM_PROXY_COMPLETED = 111
    };

    enum { // SSL/TLS Protocols
        EM_PROTO_SSLv2 = 2,
        EM_PROTO_SSLv3 = 4,
        EM_PROTO_TLSv1 = 8,
        EM_PROTO_TLSv1_1 = 16,
#ifdef TLS1_3_VERSION
        EM_PROTO_TLSv1_2 = 32,
        EM_PROTO_TLSv1_3 = 64
#else
        EM_PROTO_TLSv1_2 = 32
#endif
    };

    void evma_initialize_library (EMCallback);
    bool evma_run_machine_once();
    void evma_run_machine();
    void evma_release_library();
    const size_t evma_get_timer_count ();
    const uintptr_t evma_install_oneshot_timer (uint64_t milliseconds);
    const uintptr_t evma_connect_to_server (const char *bind_addr, int bind_port, const char *server, int port);
    const uintptr_t evma_connect_to_unix_server (const char *server);

    const uintptr_t evma_attach_fd (int file_descriptor, int watch_mode);
    int evma_detach_fd (const uintptr_t binding);
    int evma_get_file_descriptor (const uintptr_t binding);
    int evma_is_notify_readable (const uintptr_t binding);
    void evma_set_notify_readable (const uintptr_t binding, int mode);
    int evma_is_notify_writable (const uintptr_t binding);
    void evma_set_notify_writable (const uintptr_t binding, int mode);

    int evma_pause(const uintptr_t binding);
    int evma_is_paused(const uintptr_t binding);
    int evma_resume(const uintptr_t binding);

    int evma_num_close_scheduled();

    void evma_stop_tcp_server (const uintptr_t binding);
    const uintptr_t evma_create_tcp_server (const char *address, int port);
    const uintptr_t evma_create_unix_domain_server (const char *filename);
    const uintptr_t evma_attach_sd (int sd);
    const uintptr_t evma_open_datagram_socket (const char *server, int port);
    const uintptr_t evma_open_keyboard();
    void evma_set_tls_parms (const uintptr_t binding, const char *privatekey_filename, const char *privatekey, const char *privatekeypass, const char *certchain_filename, const char *cert, int verify_peer, int fail_if_no_peer_cert, const char *sni_hostname, const char *cipherlist, const char *ecdh_curve, const char *dhparam, int protocols);
    void evma_start_tls (const uintptr_t binding);

    #ifdef WITH_SSL
    X509 *evma_get_peer_cert (const uintptr_t binding);
    int evma_get_cipher_bits (const uintptr_t binding);
    const char *evma_get_cipher_name (const uintptr_t binding);
    const char *evma_get_cipher_protocol (const uintptr_t binding);
    const char *evma_get_sni_hostname (const uintptr_t binding);
    void evma_accept_ssl_peer (const uintptr_t binding);
    #endif

    int evma_get_peername (const uintptr_t binding, struct sockaddr*, socklen_t*);
    int evma_get_sockname (const uintptr_t binding, struct sockaddr*, socklen_t*);
    int evma_get_subprocess_pid (const uintptr_t binding, pid_t*);
    int evma_get_subprocess_status (const uintptr_t binding, int*);
    int evma_enable_keepalive (const uintptr_t binding, int idle, int intvl, int cnt);
    int evma_disable_keepalive (const uintptr_t binding);
    int evma_get_connection_count();
    int evma_send_data_to_connection (const uintptr_t binding, const char *data, int data_length);
    int evma_send_datagram (const uintptr_t binding, const char *data, int data_length, const char *address, int port);
    float evma_get_comm_inactivity_timeout (const uintptr_t binding);
    int evma_set_comm_inactivity_timeout (const uintptr_t binding, float value);
    float evma_get_pending_connect_timeout (const uintptr_t binding);
    int evma_set_pending_connect_timeout (const uintptr_t binding, float value);
    int evma_get_outbound_data_size (const uintptr_t binding);
    uint64_t evma_get_last_activity_time (const uintptr_t binding);
    int evma_send_file_data_to_connection (const uintptr_t binding, const char *filename);

    void evma_close_connection (const uintptr_t binding, int after_writing);
    int evma_report_connection_error_status (const uintptr_t binding);
    void evma_signal_loopbreak();
    void evma_set_timer_quantum (int);
    int evma_get_max_timer_count();
    void evma_set_max_timer_count (int);
    int evma_get_simultaneous_accept_count();
    void evma_set_simultaneous_accept_count (int);
    void evma_setuid_string (const char *username);
    void evma_stop_machine();
    bool evma_stopping();
    float evma_get_heartbeat_interval();
    int evma_set_heartbeat_interval(float);

    const uintptr_t evma_popen (char * const*cmd_strings);

    const uintptr_t evma_watch_filename (const char *fname);
    void evma_unwatch_filename (const uintptr_t binding);

    const uintptr_t evma_watch_pid (int);
    void evma_unwatch_pid (const uintptr_t binding);
    int evma_is_watch_only(const uintptr_t binding);

    void evma_start_proxy(const uintptr_t from, const uintptr_t to, const unsigned long bufsize, const unsigned long length);
    void evma_stop_proxy(const uintptr_t from);
    unsigned long evma_proxied_bytes(const uintptr_t from);

    int evma_set_rlimit_nofile (int n_files);

    void evma_set_epoll (int use);
    void evma_set_kqueue (int use);

    uint64_t evma_get_current_loop_time();
#if __cplusplus
}
#endif


#endif // __EventMachine__H_