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Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/stream_engine.hpp')
| -rw-r--r-- | external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/stream_engine.hpp | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/stream_engine.hpp b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/stream_engine.hpp deleted file mode 100644 index d42c6929..00000000 --- a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/stream_engine.hpp +++ /dev/null @@ -1,218 +0,0 @@ -/* - Copyright (c) 2007-2015 Contributors as noted in the AUTHORS file - - This file is part of libzmq, the ZeroMQ core engine in C++. - - libzmq is free software; you can redistribute it and/or modify it under - the terms of the GNU Lesser General Public License (LGPL) as published - by the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - As a special exception, the Contributors give you permission to link - this library with independent modules to produce an executable, - regardless of the license terms of these independent modules, and to - copy and distribute the resulting executable under terms of your choice, - provided that you also meet, for each linked independent module, the - terms and conditions of the license of that module. An independent - module is a module which is not derived from or based on this library. - If you modify this library, you must extend this exception to your - version of the library. - - libzmq 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 Lesser General Public - License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. -*/ - -#ifndef __ZMQ_STREAM_ENGINE_HPP_INCLUDED__ -#define __ZMQ_STREAM_ENGINE_HPP_INCLUDED__ - -#include <stddef.h> - -#include "fd.hpp" -#include "i_engine.hpp" -#include "io_object.hpp" -#include "i_encoder.hpp" -#include "i_decoder.hpp" -#include "options.hpp" -#include "socket_base.hpp" -#include "../include/zmq.h" -#include "metadata.hpp" - -namespace zmq -{ - // Protocol revisions - enum - { - ZMTP_1_0 = 0, - ZMTP_2_0 = 1 - }; - - class io_thread_t; - class msg_t; - class session_base_t; - class mechanism_t; - - // This engine handles any socket with SOCK_STREAM semantics, - // e.g. TCP socket or an UNIX domain socket. - - class stream_engine_t : public io_object_t, public i_engine - { - public: - - enum error_reason_t { - protocol_error, - connection_error, - timeout_error - }; - - stream_engine_t (fd_t fd_, const options_t &options_, - const std::string &endpoint); - ~stream_engine_t (); - - // i_engine interface implementation. - void plug (zmq::io_thread_t *io_thread_, - zmq::session_base_t *session_); - void terminate (); - void restart_input (); - void restart_output (); - void zap_msg_available (); - - // i_poll_events interface implementation. - void in_event (); - void out_event (); - void timer_event (int id_); - - private: - - // Unplug the engine from the session. - void unplug (); - - // Function to handle network disconnections. - void error (error_reason_t reason); - - // Receives the greeting message from the peer. - int receive_greeting (); - - // Detects the protocol used by the peer. - bool handshake (); - - int identity_msg (msg_t *msg_); - int process_identity_msg (msg_t *msg_); - - int next_handshake_command (msg_t *msg); - int process_handshake_command (msg_t *msg); - - int push_raw_msg_to_session (msg_t *msg); - - int pull_msg_from_session (msg_t *msg_); - int push_msg_to_session (msg_t *msg); - - int write_credential (msg_t *msg_); - int pull_and_encode (msg_t *msg_); - int decode_and_push (msg_t *msg_); - int push_one_then_decode_and_push (msg_t *msg_); - - void mechanism_ready (); - - int write_subscription_msg (msg_t *msg_); - - size_t add_property (unsigned char *ptr, - const char *name, const void *value, size_t value_len); - - void set_handshake_timer(); - - // Underlying socket. - fd_t s; - - // True iff this is server's engine. - bool as_server; - - msg_t tx_msg; - - handle_t handle; - - unsigned char *inpos; - size_t insize; - i_decoder *decoder; - - unsigned char *outpos; - size_t outsize; - i_encoder *encoder; - - // Metadata to be attached to received messages. May be NULL. - metadata_t *metadata; - - // When true, we are still trying to determine whether - // the peer is using versioned protocol, and if so, which - // version. When false, normal message flow has started. - bool handshaking; - - static const size_t signature_size = 10; - - // Size of ZMTP/1.0 and ZMTP/2.0 greeting message - static const size_t v2_greeting_size = 12; - - // Size of ZMTP/3.0 greeting message - static const size_t v3_greeting_size = 64; - - // Expected greeting size. - size_t greeting_size; - - // Greeting received from, and sent to peer - unsigned char greeting_recv [v3_greeting_size]; - unsigned char greeting_send [v3_greeting_size]; - - // Size of greeting received so far - unsigned int greeting_bytes_read; - - // The session this engine is attached to. - zmq::session_base_t *session; - - options_t options; - - // String representation of endpoint - std::string endpoint; - - bool plugged; - - int (stream_engine_t::*next_msg) (msg_t *msg_); - - int (stream_engine_t::*process_msg) (msg_t *msg_); - - bool io_error; - - // Indicates whether the engine is to inject a phantom - // subscription message into the incoming stream. - // Needed to support old peers. - bool subscription_required; - - mechanism_t *mechanism; - - // True iff the engine couldn't consume the last decoded message. - bool input_stopped; - - // True iff the engine doesn't have any message to encode. - bool output_stopped; - - // ID of the handshake timer - enum {handshake_timer_id = 0x40}; - - // True is linger timer is running. - bool has_handshake_timer; - - // Socket - zmq::socket_base_t *socket; - - std::string peer_address; - - stream_engine_t (const stream_engine_t&); - const stream_engine_t &operator = (const stream_engine_t&); - }; - -} - -#endif |