108 lines
3.7 KiB
C++
108 lines
3.7 KiB
C++
/*
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* nghttp2 - HTTP/2.0 C Library
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*
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* Copyright (c) 2012 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SHRPX_CLIENT_HANDLER_H
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#define SHRPX_CLIENT_HANDLER_H
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#include "shrpx.h"
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#include <set>
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#include <memory>
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#include <event.h>
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#include <event2/bufferevent.h>
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#include <openssl/ssl.h>
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namespace shrpx {
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class Upstream;
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class DownstreamConnection;
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class Http2Session;
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class HttpsUpstream;
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class ClientHandler {
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public:
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ClientHandler(bufferevent *bev,
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bufferevent_rate_limit_group *rate_limit_group,
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int fd, SSL *ssl, const char *ipaddr);
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~ClientHandler();
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int on_read();
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int on_event();
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bufferevent* get_bev() const;
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event_base* get_evbase() const;
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void set_bev_cb(bufferevent_data_cb readcb, bufferevent_data_cb writecb,
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bufferevent_event_cb eventcb);
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void set_upstream_timeouts(const timeval *read_timeout,
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const timeval *write_timeout);
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int validate_next_proto();
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const std::string& get_ipaddr() const;
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bool get_should_close_after_write() const;
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void set_should_close_after_write(bool f);
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Upstream* get_upstream();
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void pool_downstream_connection(DownstreamConnection *dconn);
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void remove_downstream_connection(DownstreamConnection *dconn);
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DownstreamConnection* get_downstream_connection();
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size_t get_outbuf_length();
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SSL* get_ssl() const;
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void set_http2_session(Http2Session *http2session);
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Http2Session* get_http2_session() const;
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size_t get_left_connhd_len() const;
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void set_left_connhd_len(size_t left);
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// Call this function when HTTP/2.0 connection header is received at
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// the start of the connection.
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void direct_http2_upgrade();
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// Performs HTTP/2.0 Upgrade from the connection managed by
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// |http|. If this function fails, the connection must be
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// terminated. This function returns 0 if it succeeds, or -1.
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int perform_http2_upgrade(HttpsUpstream *http);
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bool get_http2_upgrade_allowed() const;
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// Returns upstream scheme, either "http" or "https"
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std::string get_upstream_scheme() const;
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void set_tls_handshake(bool f);
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bool get_tls_handshake() const;
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void set_tls_renegotiation(bool f);
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bool get_tls_renegotiation() const;
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private:
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std::set<DownstreamConnection*> dconn_pool_;
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std::unique_ptr<Upstream> upstream_;
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std::string ipaddr_;
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bufferevent *bev_;
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// Shared HTTP2 session for each thread. NULL if backend is not
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// HTTP2. Not deleted by this object.
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Http2Session *http2session_;
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SSL *ssl_;
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// The number of bytes of HTTP/2.0 client connection header to read
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size_t left_connhd_len_;
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int fd_;
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bool should_close_after_write_;
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bool tls_handshake_;
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bool tls_renegotiation_;
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};
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} // namespace shrpx
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#endif // SHRPX_CLIENT_HANDLER_H
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