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6a18f59532
icanhasall is cute (for now), but the effect of the variable is clear only after tracking down its origin reading the commit. This change is intended to make it easier for people to have some intuition about its effect from its name.
98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/*
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Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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0MQ 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
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ZMQ_STREAM_HPP_INCLUDED__
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#define __ZMQ_STREAM_HPP_INCLUDED__
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#include <map>
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#include "router.hpp"
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namespace zmq
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{
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class ctx_t;
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class pipe_t;
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class stream_t :
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public socket_base_t
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{
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public:
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stream_t (zmq::ctx_t *parent_, uint32_t tid_, int sid);
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~stream_t ();
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// Overloads of functions from socket_base_t.
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void xattach_pipe (zmq::pipe_t *pipe_, bool subscribe_to_all_);
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int xsend (zmq::msg_t *msg_);
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int xrecv (zmq::msg_t *msg_);
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bool xhas_in ();
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bool xhas_out ();
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void xread_activated (zmq::pipe_t *pipe_);
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void xwrite_activated (zmq::pipe_t *pipe_);
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void xpipe_terminated (zmq::pipe_t *pipe_);
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private:
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// Generate peer's id and update lookup map
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void identify_peer (pipe_t *pipe_);
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// Fair queueing object for inbound pipes.
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fq_t fq;
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// True iff there is a message held in the pre-fetch buffer.
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bool prefetched;
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// If true, the receiver got the message part with
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// the peer's identity.
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bool identity_sent;
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// Holds the prefetched identity.
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msg_t prefetched_id;
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// Holds the prefetched message.
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msg_t prefetched_msg;
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struct outpipe_t
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{
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zmq::pipe_t *pipe;
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bool active;
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};
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// Outbound pipes indexed by the peer IDs.
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typedef std::map <blob_t, outpipe_t> outpipes_t;
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outpipes_t outpipes;
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// The pipe we are currently writing to.
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zmq::pipe_t *current_out;
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// If true, more outgoing message parts are expected.
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bool more_out;
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// Peer ID are generated. It's a simple increment and wrap-over
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// algorithm. This value is the next ID to use (if not used already).
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uint32_t next_peer_id;
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stream_t (const stream_t&);
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const stream_t &operator = (const stream_t&);
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};
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}
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#endif
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