| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Author: jefftk@google.com (Jeff Kaufman) |
| |
| #ifndef NGX_PAGESPEED_H_ |
| #define NGX_PAGESPEED_H_ |
| |
| // We might be compiled with syslog.h, which #defines LOG_INFO and LOG_WARNING |
| // as ints. But logging.h assumes they're usable as names, within their |
| // namespace, so we need to #undef them before including logging.h |
| #ifdef LOG_INFO |
| #undef LOG_INFO |
| #endif |
| #ifdef LOG_WARNING |
| #undef LOG_WARNING |
| #endif |
| |
| extern "C" { |
| #include <ngx_http.h> |
| } |
| |
| #include "base/logging.h" |
| #include "net/instaweb/http/public/response_headers.h" |
| #include "net/instaweb/util/public/string_util.h" |
| |
| namespace net_instaweb { |
| |
| class GzipInflater; |
| class NgxBaseFetch; |
| class ProxyFetch; |
| class RewriteDriver; |
| class RequestHeaders; |
| class ResponseHeaders; |
| class InPlaceResourceRecorder; |
| |
| // Allocate chain links and buffers from the supplied pool, and copy over the |
| // data from the string piece. If the string piece is empty, return |
| // NGX_DECLINED immediately unless send_last_buf. |
| ngx_int_t string_piece_to_buffer_chain( |
| ngx_pool_t* pool, StringPiece sp, |
| ngx_chain_t** link_ptr, bool send_last_buf); |
| |
| StringPiece str_to_string_piece(ngx_str_t s); |
| |
| // s1: ngx_str_t, s2: string literal |
| // true if they're equal, false otherwise |
| #define STR_EQ_LITERAL(s1, s2) \ |
| ((s1).len == (sizeof(s2)-1) && \ |
| ngx_strncmp((s1).data, (s2), (sizeof(s2)-1)) == 0) |
| |
| // s1: ngx_str_t, s2: string literal |
| // true if they're equal ignoring case, false otherwise |
| #define STR_CASE_EQ_LITERAL(s1, s2) \ |
| ((s1).len == (sizeof(s2)-1) && \ |
| ngx_strncasecmp((s1).data, ( \ |
| reinterpret_cast<u_char*>( \ |
| const_cast<char*>(s2))), \ |
| (sizeof(s2)-1)) == 0) |
| |
| // Allocate memory out of the pool for the string piece, and copy the contents |
| // over. Returns NULL if we can't get memory. |
| char* string_piece_to_pool_string(ngx_pool_t* pool, StringPiece sp); |
| |
| enum PreserveCachingHeaders { |
| kPreserveAllCachingHeaders, // Cache-Control, ETag, Last-Modified, etc |
| kPreserveOnlyCacheControl, // Only Cache-Control. |
| kDontPreserveHeaders, |
| }; |
| |
| typedef struct { |
| NgxBaseFetch* base_fetch; |
| |
| ngx_connection_t* pagespeed_connection; |
| ngx_http_request_t* r; |
| |
| bool html_rewrite; |
| bool in_place; |
| |
| bool write_pending; |
| bool fetch_done; |
| |
| PreserveCachingHeaders preserve_caching_headers; |
| |
| // for html rewrite |
| ProxyFetch* proxy_fetch; |
| GzipInflater* inflater_; |
| |
| // for in place resource |
| RewriteDriver* driver; |
| InPlaceResourceRecorder* recorder; |
| ResponseHeaders* ipro_response_headers; |
| } ps_request_ctx_t; |
| |
| |
| void copy_request_headers_from_ngx(const ngx_http_request_t* r, |
| RequestHeaders* headers); |
| |
| void copy_response_headers_from_ngx(const ngx_http_request_t* r, |
| ResponseHeaders* headers); |
| |
| ngx_int_t copy_response_headers_to_ngx( |
| ngx_http_request_t* r, |
| const ResponseHeaders& pagespeed_headers, |
| PreserveCachingHeaders preserve_caching_headers); |
| |
| } // namespace net_instaweb |
| |
| #endif // NGX_PAGESPEED_H_ |