Initial Commit

ngx_pagespeed-latest-beta/src/ngx_server_context.h

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+/*
+ * 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)
+
+// Manage pagespeed state across requests.  Compare to ApacheResourceManager.
+
+#ifndef NGX_SERVER_CONTEXT_H_
+#define NGX_SERVER_CONTEXT_H_
+
+#include "ngx_message_handler.h"
+#include "pagespeed/system/system_server_context.h"
+
+extern "C" {
+#include <ngx_http.h>
+}
+
+namespace net_instaweb {
+
+class NgxRewriteDriverFactory;
+class NgxRewriteOptions;
+class SystemRequestContext;
+
+class NgxServerContext : public SystemServerContext {
+ public:
+  NgxServerContext(
+      NgxRewriteDriverFactory* factory, StringPiece hostname, int port);
+  virtual ~NgxServerContext();
+
+  // We don't allow ProxyFetch to fetch HTML via MapProxyDomain. We will call
+  // set_trusted_input() on any ProxyFetches we use to transform internal HTML.
+  virtual bool ProxiesHtml() const { return false; }
+
+  // Call only when you need an NgxRewriteOptions.  If you don't need
+  // nginx-specific behavior, call global_options() instead which doesn't
+  // downcast.
+  NgxRewriteOptions* config();
+
+  NgxRewriteDriverFactory* ngx_rewrite_driver_factory() { return ngx_factory_; }
+  SystemRequestContext* NewRequestContext(ngx_http_request_t* r);
+
+  NgxMessageHandler* ngx_message_handler() {
+    return dynamic_cast<NgxMessageHandler*>(message_handler());
+  }
+
+  virtual GoogleString FormatOption(StringPiece option_name, StringPiece args);
+
+  void set_ngx_http2_variable_index(ngx_int_t idx) {
+    ngx_http2_variable_index_ = idx;
+  }
+
+  ngx_int_t ngx_http2_variable_index() const {
+    return ngx_http2_variable_index_;
+  }
+
+ private:
+  NgxRewriteDriverFactory* ngx_factory_;
+  // what index the "http2" var is, or NGX_ERROR.
+  ngx_int_t ngx_http2_variable_index_;
+
+  DISALLOW_COPY_AND_ASSIGN(NgxServerContext);
+};
+
+}  // namespace net_instaweb
+
+#endif  // NGX_SERVER_CONTEXT_H_