add readme and initial code
This commit is contained in:
Родитель
9d7895c567
Коммит
61890720c8
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@ -0,0 +1,32 @@
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EVDIR=$(HOME)/local/libev
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V8INC = $(HOME)/src/v8/include
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V8LIB = $(HOME)/src/v8/libv8.a
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CFLAGS = -g -I$(V8INC) -Ideps/oi -DHAVE_GNUTLS=0 -Ideps/ebb
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LDFLAGS = -lev #-lefence
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ifdef EVDIR
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CFLAGS += -I$(EVDIR)/include
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LDFLAGS += -L$(EVDIR)/lib
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endif
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server: server.o deps/oi/oi_socket.o deps/ebb/ebb_request_parser.o
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g++ $(CFLAGS) $(LDFLAGS) $(V8LIB) -o server $^
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server.o: server.cc
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g++ $(CFLAGS) -c $@ $<
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ebb_request_parser.o: ebb_request_parser.c deps/ebb/ebb_request_parser.h
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gcc $(CFLAGS) -c $@ $<
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ebb_request_parser.c: deps/ebb/ebb_request_parser.rl
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ragel -s -G2 $< -o $@
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oi_socket.o: deps/oi/oi_socket.c deps/oi/oi_socket.h
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gcc $(CFLAGS) -c $@ $<
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clean:
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rm -f *.o
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rm -f server
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.PHONY: clean test
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@ -0,0 +1,4 @@
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git submodule init
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git submodule update
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make
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@ -0,0 +1,606 @@
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// Copyright 2008 the V8 project authors. All rights reserved.
|
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// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are
|
||||
// met:
|
||||
//
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||||
// * Redistributions of source code must retain the above copyright
|
||||
// notice, this list of conditions and the following disclaimer.
|
||||
// * Redistributions in binary form must reproduce the above
|
||||
// copyright notice, this list of conditions and the following
|
||||
// disclaimer in the documentation and/or other materials provided
|
||||
// with the distribution.
|
||||
// * Neither the name of Google Inc. nor the names of its
|
||||
// contributors may be used to endorse or promote products derived
|
||||
// from this software without specific prior written permission.
|
||||
//
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||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
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#include <v8.h>
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// To avoid warnings from <map> on windows we disable exceptions.
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#define _HAS_EXCEPTIONS 0
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#include <string>
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#include <map>
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#include <js_http_request_processor.h>
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using namespace std;
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using namespace v8;
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static Handle<Value> LogCallback
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( const Arguments& args
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)
|
||||
{
|
||||
if (args.Length() < 1) return v8::Undefined();
|
||||
HandleScope scope;
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||||
Handle<Value> arg = args[0];
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||||
String::Utf8Value value(arg);
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||||
HttpRequestProcessor::Log(*value);
|
||||
return v8::Undefined();
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||||
}
|
||||
|
||||
|
||||
// Execute the script and fetch the Process method.
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bool JsHttpRequestProcessor::Initialize
|
||||
( map<string, string>* opts
|
||||
, map<string, string>* output
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||||
)
|
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{
|
||||
// Create a handle scope to hold the temporary references.
|
||||
HandleScope handle_scope;
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||||
|
||||
// Create a template for the global object where we set the
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// built-in global functions.
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Handle<ObjectTemplate> global = ObjectTemplate::New();
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global->Set(String::New("log"), FunctionTemplate::New(LogCallback));
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|
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// Each processor gets its own context so different processors
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// don't affect each other (ignore the first three lines).
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Handle<Context> context = Context::New(NULL, global);
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|
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// Store the context in the processor object in a persistent handle,
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// since we want the reference to remain after we return from this
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// method.
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context_ = Persistent<Context>::New(context);
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|
||||
// Enter the new context so all the following operations take place
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// within it.
|
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Context::Scope context_scope(context);
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||||
|
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// Make the options mapping available within the context
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||||
if (!InstallMaps(opts, output))
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return false;
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||||
|
||||
// Compile and run the script
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||||
if (!ExecuteScript(script_))
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return false;
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||||
|
||||
// The script compiled and ran correctly. Now we fetch out the
|
||||
// Process function from the global object.
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Handle<String> process_name = String::New("Process");
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Handle<Value> process_val = context->Global()->Get(process_name);
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// If there is no Process function, or if it is not a function,
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// bail out
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if (!process_val->IsFunction()) return false;
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// It is a function; cast it to a Function
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Handle<Function> process_fun = Handle<Function>::Cast(process_val);
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// Store the function in a Persistent handle, since we also want
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// that to remain after this call returns
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process_ = Persistent<Function>::New(process_fun);
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// All done; all went well
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return true;
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}
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bool JsHttpRequestProcessor::ExecuteScript
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( Handle<String> script
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)
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{
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HandleScope handle_scope;
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// We're just about to compile the script; set up an error handler to
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// catch any exceptions the script might throw.
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TryCatch try_catch;
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|
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// Compile the script and check for errors.
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Handle<Script> compiled_script = Script::Compile(script);
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if (compiled_script.IsEmpty()) {
|
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String::Utf8Value error(try_catch.Exception());
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Log(*error);
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// The script failed to compile; bail out.
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return false;
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}
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// Run the script!
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Handle<Value> result = compiled_script->Run();
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if (result.IsEmpty()) {
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// The TryCatch above is still in effect and will have caught the error.
|
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String::Utf8Value error(try_catch.Exception());
|
||||
Log(*error);
|
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// Running the script failed; bail out.
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return false;
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}
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return true;
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}
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bool JsHttpRequestProcessor::InstallMaps
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( map<string, string>* opts
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, map<string, string>* output
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)
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{
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HandleScope handle_scope;
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// Wrap the map object in a JavaScript wrapper
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Handle<Object> opts_obj = WrapMap(opts);
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// Set the options object as a property on the global object.
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context_->Global()->Set(String::New("options"), opts_obj);
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Handle<Object> output_obj = WrapMap(output);
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context_->Global()->Set(String::New("output"), output_obj);
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return true;
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}
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bool JsHttpRequestProcessor::Process
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( HttpRequest* request
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)
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{
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// Create a handle scope to keep the temporary object references.
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HandleScope handle_scope;
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||||
|
||||
// Enter this processor's context so all the remaining operations
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// take place there
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Context::Scope context_scope(context_);
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// Wrap the C++ request object in a JavaScript wrapper
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Handle<Object> request_obj = WrapRequest(request);
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// Set up an exception handler before calling the Process function
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TryCatch try_catch;
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// Invoke the process function, giving the global object as 'this'
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// and one argument, the request.
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const int argc = 1;
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Handle<Value> argv[argc] = { request_obj };
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Handle<Value> result = process_->Call(context_->Global(), argc, argv);
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if (result.IsEmpty()) {
|
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String::Utf8Value error(try_catch.Exception());
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Log(*error);
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return false;
|
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} else {
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return true;
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}
|
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}
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JsHttpRequestProcessor::~JsHttpRequestProcessor
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(
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)
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{
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// Dispose the persistent handles. When noone else has any
|
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// references to the objects stored in the handles they will be
|
||||
// automatically reclaimed.
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context_.Dispose();
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process_.Dispose();
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}
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Persistent<ObjectTemplate> JsHttpRequestProcessor::request_template_;
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Persistent<ObjectTemplate> JsHttpRequestProcessor::map_template_;
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// -----------------------------------
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// --- A c c e s s i n g M a p s ---
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// -----------------------------------
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// Utility function that wraps a C++ http request object in a
|
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// JavaScript object.
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Handle<Object> JsHttpRequestProcessor::WrapMap
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( map<string, string>* obj
|
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)
|
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{
|
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// Handle scope for temporary handles.
|
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HandleScope handle_scope;
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// Fetch the template for creating JavaScript map wrappers.
|
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// It only has to be created once, which we do on demand.
|
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if (request_template_.IsEmpty()) {
|
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Handle<ObjectTemplate> raw_template = MakeMapTemplate();
|
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map_template_ = Persistent<ObjectTemplate>::New(raw_template);
|
||||
}
|
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Handle<ObjectTemplate> templ = map_template_;
|
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|
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// Create an empty map wrapper.
|
||||
Handle<Object> result = templ->NewInstance();
|
||||
|
||||
// Wrap the raw C++ pointer in an External so it can be referenced
|
||||
// from within JavaScript.
|
||||
Handle<External> map_ptr = External::New(obj);
|
||||
|
||||
// Store the map pointer in the JavaScript wrapper.
|
||||
result->SetInternalField(0, map_ptr);
|
||||
|
||||
// Return the result through the current handle scope. Since each
|
||||
// of these handles will go away when the handle scope is deleted
|
||||
// we need to call Close to let one, the result, escape into the
|
||||
// outer handle scope.
|
||||
return handle_scope.Close(result);
|
||||
}
|
||||
|
||||
|
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// Utility function that extracts the C++ map pointer from a wrapper
|
||||
// object.
|
||||
map<string, string>* JsHttpRequestProcessor::UnwrapMap
|
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( Handle<Object> obj
|
||||
)
|
||||
{
|
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Handle<External> field = Handle<External>::Cast(obj->GetInternalField(0));
|
||||
void* ptr = field->Value();
|
||||
return static_cast<map<string, string>*>(ptr);
|
||||
}
|
||||
|
||||
|
||||
// Convert a JavaScript string to a std::string. To not bother too
|
||||
// much with string encodings we just use ascii.
|
||||
string ObjectToString
|
||||
( Local<Value> value
|
||||
)
|
||||
{
|
||||
String::Utf8Value utf8_value(value);
|
||||
return string(*utf8_value);
|
||||
}
|
||||
|
||||
|
||||
Handle<Value> JsHttpRequestProcessor::MapGet
|
||||
( Local<String> name
|
||||
, const AccessorInfo& info
|
||||
)
|
||||
{
|
||||
// Fetch the map wrapped by this object.
|
||||
map<string, string>* obj = UnwrapMap(info.Holder());
|
||||
|
||||
// Convert the JavaScript string to a std::string.
|
||||
string key = ObjectToString(name);
|
||||
|
||||
// Look up the value if it exists using the standard STL ideom.
|
||||
map<string, string>::iterator iter = obj->find(key);
|
||||
|
||||
// If the key is not present return an empty handle as signal
|
||||
if (iter == obj->end()) return Handle<Value>();
|
||||
|
||||
// Otherwise fetch the value and wrap it in a JavaScript string
|
||||
const string& value = (*iter).second;
|
||||
return String::New(value.c_str(), value.length());
|
||||
}
|
||||
|
||||
|
||||
Handle<Value> JsHttpRequestProcessor::MapSet
|
||||
( Local<String> name
|
||||
, Local<Value> value_obj
|
||||
, const AccessorInfo& info
|
||||
)
|
||||
{
|
||||
// Fetch the map wrapped by this object.
|
||||
map<string, string>* obj = UnwrapMap(info.Holder());
|
||||
|
||||
// Convert the key and value to std::strings.
|
||||
string key = ObjectToString(name);
|
||||
string value = ObjectToString(value_obj);
|
||||
|
||||
// Update the map.
|
||||
(*obj)[key] = value;
|
||||
|
||||
// Return the value; any non-empty handle will work.
|
||||
return value_obj;
|
||||
}
|
||||
|
||||
|
||||
Handle<ObjectTemplate> JsHttpRequestProcessor::MakeMapTemplate
|
||||
(
|
||||
)
|
||||
{
|
||||
HandleScope handle_scope;
|
||||
|
||||
Handle<ObjectTemplate> result = ObjectTemplate::New();
|
||||
result->SetInternalFieldCount(1);
|
||||
result->SetNamedPropertyHandler(MapGet, MapSet);
|
||||
|
||||
// Again, return the result through the current handle scope.
|
||||
return handle_scope.Close(result);
|
||||
}
|
||||
|
||||
|
||||
// -------------------------------------------
|
||||
// --- A c c e s s i n g R e q u e s t s ---
|
||||
// -------------------------------------------
|
||||
|
||||
/**
|
||||
* Utility function that wraps a C++ http request object in a
|
||||
* JavaScript object.
|
||||
*/
|
||||
Handle<Object> JsHttpRequestProcessor::WrapRequest
|
||||
( HttpRequest* request
|
||||
)
|
||||
{
|
||||
// Handle scope for temporary handles.
|
||||
HandleScope handle_scope;
|
||||
|
||||
// Fetch the template for creating JavaScript http request wrappers.
|
||||
// It only has to be created once, which we do on demand.
|
||||
if (request_template_.IsEmpty()) {
|
||||
Handle<ObjectTemplate> raw_template = MakeRequestTemplate();
|
||||
request_template_ = Persistent<ObjectTemplate>::New(raw_template);
|
||||
}
|
||||
Handle<ObjectTemplate> templ = request_template_;
|
||||
|
||||
// Create an empty http request wrapper.
|
||||
Handle<Object> result = templ->NewInstance();
|
||||
|
||||
// Wrap the raw C++ pointer in an External so it can be referenced
|
||||
// from within JavaScript.
|
||||
Handle<External> request_ptr = External::New(request);
|
||||
|
||||
// Store the request pointer in the JavaScript wrapper.
|
||||
result->SetInternalField(0, request_ptr);
|
||||
|
||||
// Return the result through the current handle scope. Since each
|
||||
// of these handles will go away when the handle scope is deleted
|
||||
// we need to call Close to let one, the result, escape into the
|
||||
// outer handle scope.
|
||||
return handle_scope.Close(result);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Utility function that extracts the C++ http request object from a
|
||||
* wrapper object.
|
||||
*/
|
||||
HttpRequest* JsHttpRequestProcessor::UnwrapRequest
|
||||
( Handle<Object> obj
|
||||
)
|
||||
{
|
||||
Handle<External> field = Handle<External>::Cast(obj->GetInternalField(0));
|
||||
void* ptr = field->Value();
|
||||
return static_cast<HttpRequest*>(ptr);
|
||||
}
|
||||
|
||||
Handle<Value> JsHttpRequestProcessor::GetPath
|
||||
( Local<String> name
|
||||
, const AccessorInfo& info
|
||||
)
|
||||
{
|
||||
// Extract the C++ request object from the JavaScript wrapper.
|
||||
HttpRequest* request = UnwrapRequest(info.Holder());
|
||||
|
||||
// Fetch the path.
|
||||
const string& path = request->Path();
|
||||
|
||||
// Wrap the result in a JavaScript string and return it.
|
||||
return String::New(path.c_str(), path.length());
|
||||
}
|
||||
|
||||
|
||||
Handle<Value> JsHttpRequestProcessor::GetReferrer
|
||||
( Local<String> name
|
||||
, const AccessorInfo& info
|
||||
)
|
||||
{
|
||||
HttpRequest* request = UnwrapRequest(info.Holder());
|
||||
const string& path = request->Referrer();
|
||||
return String::New(path.c_str(), path.length());
|
||||
}
|
||||
|
||||
|
||||
Handle<Value> JsHttpRequestProcessor::GetHost
|
||||
( Local<String> name
|
||||
, const AccessorInfo& info
|
||||
)
|
||||
{
|
||||
HttpRequest* request = UnwrapRequest(info.Holder());
|
||||
const string& path = request->Host();
|
||||
return String::New(path.c_str(), path.length());
|
||||
}
|
||||
|
||||
|
||||
Handle<Value> JsHttpRequestProcessor::GetUserAgent
|
||||
( Local<String> name
|
||||
, const AccessorInfo& info
|
||||
)
|
||||
{
|
||||
HttpRequest* request = UnwrapRequest(info.Holder());
|
||||
const string& path = request->UserAgent();
|
||||
return String::New(path.c_str(), path.length());
|
||||
}
|
||||
|
||||
|
||||
Handle<ObjectTemplate> JsHttpRequestProcessor::MakeRequestTemplate
|
||||
(
|
||||
)
|
||||
{
|
||||
HandleScope handle_scope;
|
||||
|
||||
Handle<ObjectTemplate> result = ObjectTemplate::New();
|
||||
result->SetInternalFieldCount(1);
|
||||
|
||||
// Add accessors for each of the fields of the request.
|
||||
result->SetAccessor(String::NewSymbol("path"), GetPath);
|
||||
result->SetAccessor(String::NewSymbol("referrer"), GetReferrer);
|
||||
result->SetAccessor(String::NewSymbol("host"), GetHost);
|
||||
result->SetAccessor(String::NewSymbol("userAgent"), GetUserAgent);
|
||||
|
||||
// Again, return the result through the current handle scope.
|
||||
return handle_scope.Close(result);
|
||||
}
|
||||
|
||||
|
||||
// --- Test ---
|
||||
|
||||
|
||||
void HttpRequestProcessor::Log
|
||||
( const char* event
|
||||
)
|
||||
{
|
||||
printf("Logged: %s\n", event);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* A simplified http request.
|
||||
*/
|
||||
class StringHttpRequest : public HttpRequest
|
||||
{
|
||||
public:
|
||||
StringHttpRequest
|
||||
( const string& path
|
||||
, const string& referrer
|
||||
, const string& host
|
||||
, const string& user_agent
|
||||
);
|
||||
virtual const string& Path () { return path_; }
|
||||
virtual const string& Referrer () { return referrer_; }
|
||||
virtual const string& Host () { return host_; }
|
||||
virtual const string& UserAgent () { return user_agent_; }
|
||||
private:
|
||||
string path_;
|
||||
string referrer_;
|
||||
string host_;
|
||||
string user_agent_;
|
||||
};
|
||||
|
||||
|
||||
StringHttpRequest::StringHttpRequest
|
||||
( const string& path
|
||||
, const string& referrer
|
||||
, const string& host
|
||||
, const string& user_agent
|
||||
)
|
||||
: path_ (path)
|
||||
, referrer_ (referrer)
|
||||
, host_ (host)
|
||||
, user_agent_ (user_agent)
|
||||
{
|
||||
}
|
||||
|
||||
void ParseOptions
|
||||
( int argc
|
||||
, char* argv[]
|
||||
, map<string, string>& options
|
||||
, string* file
|
||||
)
|
||||
{
|
||||
for (int i = 1; i < argc; i++) {
|
||||
string arg = argv[i];
|
||||
int index = arg.find('=', 0);
|
||||
if (index == string::npos) {
|
||||
*file = arg;
|
||||
} else {
|
||||
string key = arg.substr(0, index);
|
||||
string value = arg.substr(index+1);
|
||||
options[key] = value;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Reads a file into a v8 string.
|
||||
Handle<String> ReadFile
|
||||
( const string& name
|
||||
)
|
||||
{
|
||||
FILE* file = fopen(name.c_str(), "rb");
|
||||
if (file == NULL) return Handle<String>();
|
||||
|
||||
fseek(file, 0, SEEK_END);
|
||||
int size = ftell(file);
|
||||
rewind(file);
|
||||
|
||||
char* chars = new char[size + 1];
|
||||
chars[size] = '\0';
|
||||
for (int i = 0; i < size;) {
|
||||
int read = fread(&chars[i], 1, size - i, file);
|
||||
i += read;
|
||||
}
|
||||
fclose(file);
|
||||
Handle<String> result = String::New(chars, size);
|
||||
delete[] chars;
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
const int kSampleSize = 6;
|
||||
StringHttpRequest kSampleRequests[kSampleSize] =
|
||||
{ StringHttpRequest("/process.cc", "localhost", "google.com", "firefox")
|
||||
, StringHttpRequest("/", "localhost", "google.net", "firefox")
|
||||
, StringHttpRequest("/", "localhost", "google.org", "safari")
|
||||
, StringHttpRequest("/", "localhost", "yahoo.com", "ie")
|
||||
, StringHttpRequest("/", "localhost", "yahoo.com", "safari")
|
||||
, StringHttpRequest("/", "localhost", "yahoo.com", "firefox")
|
||||
};
|
||||
|
||||
|
||||
bool ProcessEntries
|
||||
( HttpRequestProcessor* processor
|
||||
, int count
|
||||
, StringHttpRequest* reqs
|
||||
)
|
||||
{
|
||||
for (int i = 0; i < count; i++) {
|
||||
if (!processor->Process(&reqs[i]))
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
void PrintMap
|
||||
( map<string, string>* m
|
||||
)
|
||||
{
|
||||
for (map<string, string>::iterator i = m->begin(); i != m->end(); i++) {
|
||||
pair<string, string> entry = *i;
|
||||
printf("%s: %s\n", entry.first.c_str(), entry.second.c_str());
|
||||
}
|
||||
}
|
||||
|
||||
#if 0
|
||||
int main(int argc, char* argv[]) {
|
||||
map<string, string> options;
|
||||
string file;
|
||||
ParseOptions(argc, argv, options, &file);
|
||||
if (file.empty()) {
|
||||
fprintf(stderr, "No script was specified.\n");
|
||||
return 1;
|
||||
}
|
||||
HandleScope scope;
|
||||
Handle<String> source = ReadFile(file);
|
||||
if (source.IsEmpty()) {
|
||||
fprintf(stderr, "Error reading '%s'.\n", file.c_str());
|
||||
return 1;
|
||||
}
|
||||
JsHttpRequestProcessor processor(source);
|
||||
map<string, string> output;
|
||||
if (!processor.Initialize(&options, &output)) {
|
||||
fprintf(stderr, "Error initializing processor.\n");
|
||||
return 1;
|
||||
}
|
||||
if (!ProcessEntries(&processor, kSampleSize, kSampleRequests))
|
||||
return 1;
|
||||
PrintMap(&output);
|
||||
}
|
||||
#endif
|
|
@ -0,0 +1,104 @@
|
|||
#ifndef js_http_request_processor_h
|
||||
#define js_http_request_processor_h
|
||||
|
||||
#include <v8.h>
|
||||
#include <string>
|
||||
#include <map>
|
||||
|
||||
using namespace std;
|
||||
using namespace v8;
|
||||
|
||||
// These interfaces represent an existing request processing interface.
|
||||
// The idea is to imagine a real application that uses these interfaces
|
||||
// and then add scripting capabilities that allow you to interact with
|
||||
// the objects through JavaScript.
|
||||
|
||||
/**
|
||||
* A simplified http request.
|
||||
*/
|
||||
class HttpRequest {
|
||||
public:
|
||||
virtual ~HttpRequest() { }
|
||||
virtual const string& Path() = 0;
|
||||
virtual const string& Referrer() = 0;
|
||||
virtual const string& Host() = 0;
|
||||
virtual const string& UserAgent() = 0;
|
||||
};
|
||||
|
||||
/**
|
||||
* The abstract superclass of http request processors.
|
||||
*/
|
||||
class HttpRequestProcessor {
|
||||
public:
|
||||
virtual ~HttpRequestProcessor() { }
|
||||
|
||||
// Initialize this processor. The map contains options that control
|
||||
// how requests should be processed.
|
||||
virtual bool Initialize(map<string, string>* options,
|
||||
map<string, string>* output) = 0;
|
||||
|
||||
// Process a single request.
|
||||
virtual bool Process(HttpRequest* req) = 0;
|
||||
|
||||
static void Log(const char* event);
|
||||
};
|
||||
|
||||
/**
|
||||
* An http request processor that is scriptable using JavaScript.
|
||||
*/
|
||||
class JsHttpRequestProcessor : public HttpRequestProcessor {
|
||||
public:
|
||||
|
||||
// Creates a new processor that processes requests by invoking the
|
||||
// Process function of the JavaScript script given as an argument.
|
||||
explicit JsHttpRequestProcessor(Handle<String> script) : script_(script) { }
|
||||
virtual ~JsHttpRequestProcessor();
|
||||
|
||||
virtual bool Initialize(map<string, string>* opts,
|
||||
map<string, string>* output);
|
||||
virtual bool Process(HttpRequest* req);
|
||||
|
||||
private:
|
||||
|
||||
// Execute the script associated with this processor and extract the
|
||||
// Process function. Returns true if this succeeded, otherwise false.
|
||||
bool ExecuteScript(Handle<String> script);
|
||||
|
||||
// Wrap the options and output map in a JavaScript objects and
|
||||
// install it in the global namespace as 'options' and 'output'.
|
||||
bool InstallMaps(map<string, string>* opts, map<string, string>* output);
|
||||
|
||||
// Constructs the template that describes the JavaScript wrapper
|
||||
// type for requests.
|
||||
static Handle<ObjectTemplate> MakeRequestTemplate();
|
||||
static Handle<ObjectTemplate> MakeMapTemplate();
|
||||
|
||||
// Callbacks that access the individual fields of request objects.
|
||||
static Handle<Value> GetPath(Local<String> name, const AccessorInfo& info);
|
||||
static Handle<Value> GetReferrer(Local<String> name,
|
||||
const AccessorInfo& info);
|
||||
static Handle<Value> GetHost(Local<String> name, const AccessorInfo& info);
|
||||
static Handle<Value> GetUserAgent(Local<String> name,
|
||||
const AccessorInfo& info);
|
||||
|
||||
// Callbacks that access maps
|
||||
static Handle<Value> MapGet(Local<String> name, const AccessorInfo& info);
|
||||
static Handle<Value> MapSet(Local<String> name,
|
||||
Local<Value> value,
|
||||
const AccessorInfo& info);
|
||||
|
||||
// Utility methods for wrapping C++ objects as JavaScript objects,
|
||||
// and going back again.
|
||||
static Handle<Object> WrapMap(map<string, string>* obj);
|
||||
static map<string, string>* UnwrapMap(Handle<Object> obj);
|
||||
static Handle<Object> WrapRequest(HttpRequest* obj);
|
||||
static HttpRequest* UnwrapRequest(Handle<Object> obj);
|
||||
|
||||
Handle<String> script_;
|
||||
Persistent<Context> context_;
|
||||
Persistent<Function> process_;
|
||||
static Persistent<ObjectTemplate> request_template_;
|
||||
static Persistent<ObjectTemplate> map_template_;
|
||||
};
|
||||
|
||||
#endif // js_http_request_processor_h
|
|
@ -0,0 +1,247 @@
|
|||
#include <v8.h>
|
||||
|
||||
extern "C" {
|
||||
#include <oi.h>
|
||||
#include <ebb_request_parser.h>
|
||||
}
|
||||
|
||||
#include <assert.h>
|
||||
#include <string>
|
||||
#include <map>
|
||||
|
||||
using namespace v8;
|
||||
using namespace std;
|
||||
|
||||
#define PORT "1981"
|
||||
#define MAX_URL 500
|
||||
|
||||
static oi_server server;
|
||||
static struct ev_loop *loop;
|
||||
|
||||
class Connection {
|
||||
public:
|
||||
Connection(void);
|
||||
ebb_request_parser parser;
|
||||
oi_socket socket;
|
||||
};
|
||||
|
||||
class Request {
|
||||
public:
|
||||
Request(Connection &);
|
||||
string path;
|
||||
Connection &connection_;
|
||||
ebb_request parser_info;
|
||||
};
|
||||
|
||||
Request::Request
|
||||
( Connection &connection
|
||||
)
|
||||
: connection_(connection)
|
||||
{
|
||||
ebb_request_init(&parser_info);
|
||||
}
|
||||
|
||||
Connection::Connection
|
||||
( void
|
||||
)
|
||||
{
|
||||
oi_socket_init (&socket, 30.0);
|
||||
ebb_request_parser_init (&parser);
|
||||
}
|
||||
|
||||
void on_path
|
||||
( ebb_request *req
|
||||
, const char *buf
|
||||
, size_t len
|
||||
)
|
||||
{
|
||||
Request *request = static_cast<Request*> (req->data);
|
||||
request->path.append(buf, len);
|
||||
}
|
||||
|
||||
void on_request_complete
|
||||
( ebb_request *req
|
||||
)
|
||||
{
|
||||
Request *request = static_cast<Request*> (req->data);
|
||||
|
||||
// dispatch to javascript
|
||||
}
|
||||
|
||||
ebb_request * on_request
|
||||
( void *data
|
||||
)
|
||||
{
|
||||
Connection *connection = static_cast<Connection*> (data);
|
||||
|
||||
Request *request = new Request(*connection);
|
||||
|
||||
request->parser_info.on_path = on_path;
|
||||
request->parser_info.on_query_string = NULL;
|
||||
request->parser_info.on_uri = NULL;
|
||||
request->parser_info.on_fragment = NULL;
|
||||
request->parser_info.on_header_field = NULL;
|
||||
request->parser_info.on_header_value = NULL;
|
||||
request->parser_info.on_headers_complete = NULL;
|
||||
request->parser_info.on_body = NULL;
|
||||
request->parser_info.on_complete = on_request_complete;
|
||||
request->parser_info.data = request;
|
||||
|
||||
return &request->parser_info;
|
||||
}
|
||||
|
||||
static void on_read
|
||||
( oi_socket *socket
|
||||
, const void *buf
|
||||
, size_t count
|
||||
)
|
||||
{
|
||||
Connection *connection = static_cast<Connection*> (socket->data);
|
||||
ebb_request_parser_execute ( &connection->parser
|
||||
, static_cast<const char*> (buf) // FIXME change ebb to use void*
|
||||
, count
|
||||
);
|
||||
/* TODO check for errors */
|
||||
}
|
||||
|
||||
static void on_close
|
||||
( oi_socket *socket
|
||||
)
|
||||
{
|
||||
Connection *connection = static_cast<Connection*> (socket->data);
|
||||
/* TODO free requests */
|
||||
free(connection);
|
||||
}
|
||||
|
||||
static void on_drain
|
||||
( oi_socket *socket
|
||||
)
|
||||
{
|
||||
Connection *connection = static_cast<Connection*> (socket->data);
|
||||
//oi_socket_close(&connection->socket);
|
||||
}
|
||||
|
||||
static oi_socket* new_connection
|
||||
( oi_server *server
|
||||
, struct sockaddr *addr
|
||||
, socklen_t len
|
||||
)
|
||||
{
|
||||
Connection *connection = new Connection();
|
||||
|
||||
/* initialize the components of Connection */
|
||||
oi_socket_init(&connection->socket, 30.0);
|
||||
connection->socket.on_read = on_read;
|
||||
connection->socket.on_error = NULL;
|
||||
connection->socket.on_close = on_close;
|
||||
connection->socket.on_timeout = NULL;
|
||||
connection->socket.on_drain = on_drain;
|
||||
connection->socket.data = connection;
|
||||
|
||||
ebb_request_parser_init(&connection->parser);
|
||||
connection->parser.new_request = on_request;
|
||||
connection->parser.data = connection;
|
||||
|
||||
return &connection->socket;
|
||||
}
|
||||
|
||||
|
||||
// Reads a file into a v8 string.
|
||||
Handle<String> ReadFile
|
||||
( const string& name
|
||||
)
|
||||
{
|
||||
FILE* file = fopen(name.c_str(), "rb");
|
||||
if (file == NULL) return Handle<String>();
|
||||
|
||||
fseek(file, 0, SEEK_END);
|
||||
int size = ftell(file);
|
||||
rewind(file);
|
||||
|
||||
char* chars = new char[size + 1];
|
||||
chars[size] = '\0';
|
||||
for (int i = 0; i < size;) {
|
||||
int read = fread(&chars[i], 1, size - i, file);
|
||||
i += read;
|
||||
}
|
||||
fclose(file);
|
||||
Handle<String> result = String::New(chars, size);
|
||||
delete[] chars;
|
||||
return result;
|
||||
}
|
||||
|
||||
void ParseOptions
|
||||
( int argc
|
||||
, char* argv[]
|
||||
, map<string, string>& options
|
||||
, string* file
|
||||
)
|
||||
{
|
||||
for (int i = 1; i < argc; i++) {
|
||||
string arg = argv[i];
|
||||
int index = arg.find('=', 0);
|
||||
if (index == string::npos) {
|
||||
*file = arg;
|
||||
} else {
|
||||
string key = arg.substr(0, index);
|
||||
string value = arg.substr(index+1);
|
||||
options[key] = value;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int main
|
||||
( int argc
|
||||
, char *argv[]
|
||||
)
|
||||
{
|
||||
map<string, string> options;
|
||||
string file;
|
||||
ParseOptions(argc, argv, options, &file);
|
||||
if (file.empty()) {
|
||||
fprintf(stderr, "No script was specified.\n");
|
||||
return 1;
|
||||
}
|
||||
HandleScope scope;
|
||||
Handle<String> source = ReadFile(file);
|
||||
if (source.IsEmpty()) {
|
||||
fprintf(stderr, "Error reading '%s'.\n", file.c_str());
|
||||
return 1;
|
||||
}
|
||||
/*
|
||||
HttpRequestProcessor processor(source);
|
||||
map<string, string> output;
|
||||
if (!processor.Initialize(&options, &output)) {
|
||||
fprintf(stderr, "Error initializing processor.\n");
|
||||
return 1;
|
||||
}
|
||||
*/
|
||||
|
||||
/////////////////////////////////////
|
||||
|
||||
|
||||
loop = ev_default_loop(0);
|
||||
|
||||
oi_server_init(&server, 1024);
|
||||
server.on_connection = new_connection;
|
||||
|
||||
// get addrinfo for localhost, PORT
|
||||
struct addrinfo *servinfo;
|
||||
struct addrinfo hints;
|
||||
memset(&hints, 0, sizeof hints);
|
||||
hints.ai_family = AF_UNSPEC;
|
||||
hints.ai_socktype = SOCK_STREAM;
|
||||
hints.ai_flags = AI_PASSIVE;
|
||||
int r = getaddrinfo(NULL, PORT, &hints, &servinfo);
|
||||
assert(r == 0);
|
||||
|
||||
r = oi_server_listen(&server, servinfo);
|
||||
assert(r == 0);
|
||||
|
||||
oi_server_attach(&server, loop);
|
||||
|
||||
printf("Running at http://localhost:%s/\n", PORT);
|
||||
|
||||
ev_loop(loop, 0);
|
||||
return 0;
|
||||
}
|
Загрузка…
Ссылка в новой задаче