1 /* 2 * nghttp2 - HTTP/2 C Library 3 * 4 * Copyright (c) 2012 Tatsuhiro Tsujikawa 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining 7 * a copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sublicense, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be 15 * included in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 #ifndef SHRPX_HTTP2_DOWNSTREAM_CONNECTION_H 26 #define SHRPX_HTTP2_DOWNSTREAM_CONNECTION_H 27 28 #include "shrpx.h" 29 30 #include "ssl_compat.h" 31 32 #ifdef NGHTTP2_OPENSSL_IS_WOLFSSL 33 # include <wolfssl/options.h> 34 # include <wolfssl/openssl/ssl.h> 35 #else // !NGHTTP2_OPENSSL_IS_WOLFSSL 36 # include <openssl/ssl.h> 37 #endif // !NGHTTP2_OPENSSL_IS_WOLFSSL 38 39 #include <nghttp2/nghttp2.h> 40 41 #include "shrpx_downstream_connection.h" 42 43 namespace shrpx { 44 45 struct StreamData; 46 class Http2Session; 47 class DownstreamConnectionPool; 48 49 class Http2DownstreamConnection : public DownstreamConnection { 50 public: 51 Http2DownstreamConnection(Http2Session *http2session); 52 virtual ~Http2DownstreamConnection(); 53 virtual int attach_downstream(Downstream *downstream); 54 virtual void detach_downstream(Downstream *downstream); 55 56 virtual int push_request_headers(); 57 virtual int push_upload_data_chunk(const uint8_t *data, size_t datalen); 58 virtual int end_upload_data(); 59 pause_read(IOCtrlReason reason)60 virtual void pause_read(IOCtrlReason reason) {} 61 virtual int resume_read(IOCtrlReason reason, size_t consumed); force_resume_read()62 virtual void force_resume_read() {} 63 64 virtual int on_read(); 65 virtual int on_write(); 66 virtual int on_timeout(); 67 on_upstream_change(Upstream * upstream)68 virtual void on_upstream_change(Upstream *upstream) {} 69 70 // This object is not poolable because we don't have facility to 71 // migrate to another Http2Session object. poolable()72 virtual bool poolable() const { return false; } 73 74 virtual const std::shared_ptr<DownstreamAddrGroup> & 75 get_downstream_addr_group() const; 76 virtual DownstreamAddr *get_addr() const; 77 78 int send(); 79 80 void attach_stream_data(StreamData *sd); 81 StreamData *detach_stream_data(); 82 83 int submit_rst_stream(Downstream *downstream, 84 uint32_t error_code = NGHTTP2_INTERNAL_ERROR); 85 86 Http2DownstreamConnection *dlnext, *dlprev; 87 88 private: 89 Http2Session *http2session_; 90 StreamData *sd_; 91 }; 92 93 } // namespace shrpx 94 95 #endif // SHRPX_HTTP2_DOWNSTREAM_CONNECTION_H 96