--- /dev/null
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+
+#include <string>
+#include <fstream>
+#include <iostream>
+#include <vector>
+#include <list>
+
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sstream>
+#include "platform.h"
+using namespace std;
+
+
+#include "t_oop_generator.h"
+
+/**
+ * JS code generator.
+ */
+class t_js_generator : public t_oop_generator {
+ public:
+ t_js_generator(t_program* program,
+ const std::map<std::string, std::string>& parsed_options,
+ const std::string& option_string) :
+ t_oop_generator(program) {
+
+ out_dir_base_ = "gen-js";
+ }
+
+ /**
+ * Init and close methods
+ */
+
+ void init_generator();
+ void close_generator();
+
+ /**
+ * Program-level generation functions
+ */
+
+ void generate_typedef (t_typedef* ttypedef);
+ void generate_enum (t_enum* tenum);
+ void generate_const (t_const* tconst);
+ void generate_struct (t_struct* tstruct);
+ void generate_xception (t_struct* txception);
+ void generate_service (t_service* tservice);
+
+
+ std::string render_const_value(t_type* type, t_const_value* value);
+
+
+ /**
+ * Structs!
+ */
+ void generate_js_struct(t_struct* tstruct, bool is_exception);
+ void generate_js_struct_definition(std::ofstream& out, t_struct* tstruct, bool is_xception=false);
+ void generate_js_struct_reader(std::ofstream& out, t_struct* tstruct);
+ void generate_js_struct_writer(std::ofstream& out, t_struct* tstruct);
+ void generate_js_function_helpers(t_function* tfunction);
+
+ /**
+ * Service-level generation functions
+ */
+ void generate_service_helpers (t_service* tservice);
+ void generate_service_interface (t_service* tservice);
+ void generate_service_rest (t_service* tservice);
+ void generate_service_client (t_service* tservice);
+ void generate_service_processor (t_service* tservice);
+ void generate_process_function (t_service* tservice, t_function* tfunction);
+
+ /**
+ * Serialization constructs
+ */
+
+ void generate_deserialize_field (std::ofstream &out,
+ t_field* tfield,
+ std::string prefix="",
+ bool inclass=false);
+
+ void generate_deserialize_struct (std::ofstream &out,
+ t_struct* tstruct,
+ std::string prefix="");
+
+ void generate_deserialize_container (std::ofstream &out,
+ t_type* ttype,
+ std::string prefix="");
+
+ void generate_deserialize_set_element (std::ofstream &out,
+ t_set* tset,
+ std::string prefix="");
+
+ void generate_deserialize_map_element (std::ofstream &out,
+ t_map* tmap,
+ std::string prefix="");
+
+ void generate_deserialize_list_element (std::ofstream &out,
+ t_list* tlist,
+ std::string prefix="");
+
+ void generate_serialize_field (std::ofstream &out,
+ t_field* tfield,
+ std::string prefix="");
+
+ void generate_serialize_struct (std::ofstream &out,
+ t_struct* tstruct,
+ std::string prefix="");
+
+ void generate_serialize_container (std::ofstream &out,
+ t_type* ttype,
+ std::string prefix="");
+
+ void generate_serialize_map_element (std::ofstream &out,
+ t_map* tmap,
+ std::string kiter,
+ std::string viter);
+
+ void generate_serialize_set_element (std::ofstream &out,
+ t_set* tmap,
+ std::string iter);
+
+ void generate_serialize_list_element (std::ofstream &out,
+ t_list* tlist,
+ std::string iter);
+
+ /**
+ * Helper rendering functions
+ */
+
+ std::string js_includes();
+ std::string declare_field(t_field* tfield, bool init=false, bool obj=false);
+ std::string function_signature(t_function* tfunction, std::string prefix="");
+ std::string argument_list(t_struct* tstruct);
+ std::string type_to_enum(t_type* ttype);
+
+ std::string autogen_comment() {
+ return
+ std::string("//\n") +
+ "// Autogenerated by Thrift\n" +
+ "//\n" +
+ "// DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING\n" +
+ "//\n";
+ }
+
+ std::vector<std::string> js_namespace_pieces(t_program* p) {
+ std::string ns = p->get_namespace("js");
+
+ std::string::size_type loc;
+ std::vector<std::string> pieces;
+
+ if (ns.size() > 0) {
+ while ((loc = ns.find(".")) != std::string::npos) {
+ pieces.push_back(ns.substr(0, loc));
+ ns = ns.substr(loc+1);
+ }
+ }
+
+ if (ns.size() > 0) {
+ pieces.push_back(ns);
+ }
+
+ return pieces;
+ }
+
+ std::string js_namespace(t_program* p) {
+ std::string ns = p->get_namespace("js");
+ if (ns.size() > 0) {
+ ns += ".";
+ }
+
+
+ return ns;
+ }
+
+ private:
+
+ /**
+ * File streams
+ */
+ std::ofstream f_types_;
+ std::ofstream f_service_;
+};
+
+
+/**
+ * Prepares for file generation by opening up the necessary file output
+ * streams.
+ *
+ * @param tprogram The program to generate
+ */
+void t_js_generator::init_generator() {
+ // Make output directory
+ MKDIR(get_out_dir().c_str());
+
+ string outdir = get_out_dir();
+
+ // Make output file
+ string f_types_name = outdir+program_->get_name()+"_types.js";
+ f_types_.open(f_types_name.c_str());
+
+ // Print header
+ f_types_ <<
+ autogen_comment() <<
+ js_includes();
+
+
+ string pns;
+
+ //setup the namespace
+ vector<string> ns_pieces = js_namespace_pieces( program_ );
+ if( ns_pieces.size() > 0){
+ f_types_ << "var " << ns_pieces[0] << " = {}"<<endl;
+
+ pns = ns_pieces[0];
+
+ for(size_t i=1; i<ns_pieces.size(); i++){
+ pns += "." + ns_pieces[i];
+
+ f_types_ << pns << " = {}"<<endl;
+ }
+ }
+
+}
+
+/**
+ * Prints standard js imports
+ */
+string t_js_generator::js_includes() {
+ string inc;
+
+ return inc;
+}
+
+/**
+ * Close up (or down) some filez.
+ */
+void t_js_generator::close_generator() {
+ // Close types file
+
+ f_types_.close();
+}
+
+/**
+ * Generates a typedef. This is not done in JS, types are all implicit.
+ *
+ * @param ttypedef The type definition
+ */
+void t_js_generator::generate_typedef(t_typedef* ttypedef) {}
+
+/**
+ * Generates code for an enumerated type. Since define is expensive to lookup
+ * in JS, we use a global array for this.
+ *
+ * @param tenum The enumeration
+ */
+void t_js_generator::generate_enum(t_enum* tenum) {
+
+ f_types_ << js_namespace(tenum->get_program())<<tenum->get_name()<<" = { "<<endl;
+
+ vector<t_enum_value*> constants = tenum->get_constants();
+ vector<t_enum_value*>::iterator c_iter;
+ int value = -1;
+ for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
+ if ((*c_iter)->has_value()) {
+ value = (*c_iter)->get_value();
+ } else {
+ ++value;
+ }
+
+ if(c_iter != constants.begin())
+ f_types_ << ",";
+
+ f_types_ << "'" << (*c_iter)->get_name() << "' : " << value << endl;
+ }
+
+ f_types_ << "}"<<endl;
+
+}
+
+/**
+ * Generate a constant value
+ */
+void t_js_generator::generate_const(t_const* tconst) {
+ t_type* type = tconst->get_type();
+ string name = tconst->get_name();
+ t_const_value* value = tconst->get_value();
+
+ f_types_ << js_namespace(program_) << name << " = ";
+ f_types_ << render_const_value(type, value) << endl;
+}
+
+/**
+ * Prints the value of a constant with the given type. Note that type checking
+ * is NOT performed in this function as it is always run beforehand using the
+ * validate_types method in main.cc
+ */
+string t_js_generator::render_const_value(t_type* type, t_const_value* value) {
+ std::ostringstream out;
+
+ type = get_true_type(type);
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_STRING:
+ out << "'" << value->get_string() << "'";
+ break;
+ case t_base_type::TYPE_BOOL:
+ out << (value->get_integer() > 0 ? "true" : "false");
+ break;
+ case t_base_type::TYPE_BYTE:
+ case t_base_type::TYPE_I16:
+ case t_base_type::TYPE_I32:
+ case t_base_type::TYPE_I64:
+ out << value->get_integer();
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ if (value->get_type() == t_const_value::CV_INTEGER) {
+ out << value->get_integer();
+ } else {
+ out << value->get_double();
+ }
+ break;
+ default:
+ throw "compiler error: no const of base type " + t_base_type::t_base_name(tbase);
+ }
+ } else if (type->is_enum()) {
+ out << value->get_integer();
+ } else if (type->is_struct() || type->is_xception()) {
+ out << "new " << js_namespace(type->get_program()) << type->get_name() << "({" << endl;
+ indent_up();
+ const vector<t_field*>& fields = ((t_struct*)type)->get_members();
+ vector<t_field*>::const_iterator f_iter;
+ const map<t_const_value*, t_const_value*>& val = value->get_map();
+ map<t_const_value*, t_const_value*>::const_iterator v_iter;
+ for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+ t_type* field_type = NULL;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ if ((*f_iter)->get_name() == v_iter->first->get_string()) {
+ field_type = (*f_iter)->get_type();
+ }
+ }
+ if (field_type == NULL) {
+ throw "type error: " + type->get_name() + " has no field " + v_iter->first->get_string();
+ }
+ out << render_const_value(g_type_string, v_iter->first);
+ out << " : ";
+ out << render_const_value(field_type, v_iter->second);
+ out << ",";
+ }
+
+ out << "})";
+ } else if (type->is_map()) {
+ t_type* ktype = ((t_map*)type)->get_key_type();
+ bool key_is_string = false;
+ if (ktype->is_base_type() && ((t_base_type*)ktype)->get_base() == t_base_type::TYPE_STRING){
+ key_is_string = true;
+ }
+
+ t_type* vtype = ((t_map*)type)->get_val_type();
+ out << "{";
+
+ const map<t_const_value*, t_const_value*>& val = value->get_map();
+ map<t_const_value*, t_const_value*>::const_iterator v_iter;
+ for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+
+ out << render_const_value(ktype, v_iter->first);
+
+ out << " : ";
+ out << render_const_value(vtype, v_iter->second);
+ out << "," << endl;
+ }
+
+ out << "}";
+ } else if (type->is_list() || type->is_set()) {
+ t_type* etype;
+ if (type->is_list()) {
+ etype = ((t_list*)type)->get_elem_type();
+ } else {
+ etype = ((t_set*)type)->get_elem_type();
+ }
+ out << "[";
+ const vector<t_const_value*>& val = value->get_list();
+ vector<t_const_value*>::const_iterator v_iter;
+ for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+
+ out << render_const_value(etype, *v_iter);
+ out << ",";
+ }
+ out << "]";
+ }
+ return out.str();
+}
+
+/**
+ * Make a struct
+ */
+void t_js_generator::generate_struct(t_struct* tstruct) {
+ generate_js_struct(tstruct, false);
+}
+
+/**
+ * Generates a struct definition for a thrift exception. Basically the same
+ * as a struct but extends the Exception class.
+ *
+ * @param txception The struct definition
+ */
+void t_js_generator::generate_xception(t_struct* txception) {
+ generate_js_struct(txception, true);
+}
+
+/**
+ * Structs can be normal or exceptions.
+ */
+void t_js_generator::generate_js_struct(t_struct* tstruct,
+ bool is_exception) {
+ generate_js_struct_definition(f_types_, tstruct, is_exception);
+}
+
+/**
+ * Generates a struct definition for a thrift data type. This is nothing in JS
+ * where the objects are all just associative arrays (unless of course we
+ * decide to start using objects for them...)
+ *
+ * @param tstruct The struct definition
+ */
+void t_js_generator::generate_js_struct_definition(ofstream& out,
+ t_struct* tstruct,
+ bool is_exception) {
+ const vector<t_field*>& members = tstruct->get_members();
+ vector<t_field*>::const_iterator m_iter;
+
+ out << js_namespace(tstruct->get_program()) << tstruct->get_name() <<" = function(args){\n";
+
+
+ //members with arguments
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ string dval = declare_field(*m_iter,true,true);
+ t_type* t = get_true_type((*m_iter)->get_type());
+ if ((*m_iter)->get_value() != NULL && !(t->is_struct() || t->is_xception())) {
+ dval = render_const_value((*m_iter)->get_type(), (*m_iter)->get_value());
+ out << indent() << "this." << (*m_iter)->get_name() << " = " << dval << endl;
+ } else {
+ out << indent() << dval << endl;
+ }
+
+ }
+
+ // Generate constructor from array
+ if (members.size() > 0) {
+
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ t_type* t = get_true_type((*m_iter)->get_type());
+ if ((*m_iter)->get_value() != NULL && (t->is_struct() || t->is_xception())) {
+ indent(out) << "this." << (*m_iter)->get_name() << " = " << render_const_value(t, (*m_iter)->get_value()) << endl;
+ }
+ }
+
+ out << "if( args != null ){";
+
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ out << indent() << "if (null != args." << (*m_iter)->get_name() << ")" <<endl
+ << indent() << "this." << (*m_iter)->get_name() << " = args." << (*m_iter)->get_name() << endl ;
+
+ }
+
+ out << "}";
+
+ }
+
+ indent_down();
+ out << "}\n";
+
+ if (is_exception) {
+ out << "for (var property in Thrift.Exception)"<<endl<<
+ js_namespace(tstruct->get_program())<<tstruct->get_name()<<"[property] = Thrift.Exception[property]"<<endl;
+ }
+
+ //init prototype
+ out << js_namespace(tstruct->get_program())<<tstruct->get_name() <<".prototype = {}\n";
+
+
+ generate_js_struct_reader(out, tstruct);
+ generate_js_struct_writer(out, tstruct);
+
+}
+
+/**
+ * Generates the read() method for a struct
+ */
+void t_js_generator::generate_js_struct_reader(ofstream& out,
+ t_struct* tstruct) {
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ out << js_namespace(tstruct->get_program())<<tstruct->get_name() << ".prototype.read = function(input){ "<<endl;
+
+ indent_up();
+
+ indent(out) << "var ret = input.readStructBegin()" << endl;
+
+
+ // Loop over reading in fields
+ indent(out) << "while (1) " << endl;
+
+ scope_up(out);
+
+ indent(out) << "var ret = input.readFieldBegin()" << endl;
+ indent(out) << "var fname = ret.fname" <<endl;
+ indent(out) << "var ftype = ret.ftype" <<endl;
+ indent(out) << "var fid = ret.fid" <<endl;
+
+
+ // Check for field STOP marker and break
+ indent(out) << "if (ftype == Thrift.Type.STOP) " << endl;
+ indent_up();
+ indent(out) << "break" << endl;
+ indent_down();
+
+ // Switch statement on the field we are reading
+ indent(out) << "switch(fid)" << endl;
+
+ scope_up(out);
+
+ // Generate deserialization code for known cases
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+
+ indent(out) << "case " << (*f_iter)->get_key() << ":";
+ indent(out) << "if (ftype == " << type_to_enum((*f_iter)->get_type()) << ") {" << endl;
+
+ indent_up();
+ generate_deserialize_field(out, *f_iter, "this.");
+ indent_down();
+
+ indent(out) << "} else {" << endl;
+
+ indent(out) << " input.skip(ftype)" << endl;
+
+ out <<
+ indent() << "}" << endl <<
+ indent() << "break" << endl;
+
+ }
+ // In the default case we skip the field
+ indent(out) << "default:" << endl;
+ indent(out) << " input.skip(ftype)" << endl;
+
+ scope_down(out);
+
+ indent(out) << "input.readFieldEnd()" << endl;
+
+ scope_down(out);
+
+ indent(out) << "input.readStructEnd()" << endl;
+
+ indent(out) << "return" << endl;
+
+ indent_down();
+ out << indent() << "}" << endl << endl;
+}
+
+/**
+ * Generates the write() method for a struct
+ */
+void t_js_generator::generate_js_struct_writer(ofstream& out,
+ t_struct* tstruct) {
+ string name = tstruct->get_name();
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ out << js_namespace(tstruct->get_program())<< tstruct->get_name() << ".prototype.write = function(output){ "<<endl;
+
+ indent_up();
+
+ indent(out) << "output.writeStructBegin('" << name << "')" << endl;
+
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ out << indent() << "if (null != this." << (*f_iter)->get_name() << ") {" << endl;
+ indent_up();
+
+ indent(out) <<
+ "output.writeFieldBegin(" <<
+ "'" << (*f_iter)->get_name() << "', " <<
+ type_to_enum((*f_iter)->get_type()) << ", " <<
+ (*f_iter)->get_key() << ")" << endl;
+
+
+ // Write field contents
+ generate_serialize_field(out, *f_iter, "this.");
+
+ indent(out) <<
+ "output.writeFieldEnd()" << endl;
+
+ indent_down();
+ indent(out) << "}" << endl;
+ }
+
+
+ out <<
+ indent() << "output.writeFieldStop()" << endl <<
+ indent() << "output.writeStructEnd()" << endl;
+
+ out <<indent() << "return" << endl;
+
+ indent_down();
+ out <<
+ indent() << "}" << endl <<
+ endl;
+}
+
+/**
+ * Generates a thrift service.
+ *
+ * @param tservice The service definition
+ */
+void t_js_generator::generate_service(t_service* tservice) {
+ string f_service_name = get_out_dir()+service_name_+".js";
+ f_service_.open(f_service_name.c_str());
+
+ generate_service_helpers(tservice);
+ generate_service_interface(tservice);
+ generate_service_client(tservice);
+
+ f_service_.close();
+}
+
+/**
+ * Generates a service server definition.
+ *
+ * @param tservice The service to generate a server for.
+ */
+void t_js_generator::generate_service_processor(t_service* tservice) {
+
+}
+
+/**
+ * Generates a process function definition.
+ *
+ * @param tfunction The function to write a dispatcher for
+ */
+void t_js_generator::generate_process_function(t_service* tservice,
+ t_function* tfunction) {
+
+}
+
+/**
+ * Generates helper functions for a service.
+ *
+ * @param tservice The service to generate a header definition for
+ */
+void t_js_generator::generate_service_helpers(t_service* tservice) {
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::iterator f_iter;
+
+ f_service_ <<
+ "//HELPER FUNCTIONS AND STRUCTURES" << endl << endl;
+
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+ t_struct* ts = (*f_iter)->get_arglist();
+ string name = ts->get_name();
+ ts->set_name(service_name_ + "_" + name);
+ generate_js_struct_definition(f_service_, ts, false);
+ generate_js_function_helpers(*f_iter);
+ ts->set_name(name);
+ }
+}
+
+/**
+ * Generates a struct and helpers for a function.
+ *
+ * @param tfunction The function
+ */
+void t_js_generator::generate_js_function_helpers(t_function* tfunction) {
+ t_struct result(program_, service_name_ + "_" + tfunction->get_name() + "_result");
+ t_field success(tfunction->get_returntype(), "success", 0);
+ if (!tfunction->get_returntype()->is_void()) {
+ result.append(&success);
+ }
+
+ t_struct* xs = tfunction->get_xceptions();
+ const vector<t_field*>& fields = xs->get_members();
+ vector<t_field*>::const_iterator f_iter;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ result.append(*f_iter);
+ }
+
+ generate_js_struct_definition(f_service_, &result, false);
+}
+
+/**
+ * Generates a service interface definition.
+ *
+ * @param tservice The service to generate a header definition for
+ */
+void t_js_generator::generate_service_interface(t_service* tservice) {
+
+}
+
+/**
+ * Generates a REST interface
+ */
+void t_js_generator::generate_service_rest(t_service* tservice) {
+
+}
+
+/**
+ * Generates a service client definition.
+ *
+ * @param tservice The service to generate a server for.
+ */
+void t_js_generator::generate_service_client(t_service* tservice) {
+ string extends = "";
+
+ f_service_ <<
+ js_namespace(tservice->get_program()) << service_name_ << "Client = function(input, output) {"<<endl;
+
+ indent_up();
+
+
+ f_service_ <<
+ indent() << " this.input = input" << endl <<
+ indent() << " this.output = null == output ? input : output" << endl <<
+ indent() << " this.seqid = 0" << endl;
+
+ indent_down();
+
+ f_service_ <<
+ indent() << "}" << endl;
+
+
+ if (tservice->get_extends() != NULL) {
+ extends = tservice->get_extends()->get_name();
+
+ f_service_ << "for (var property in "<<extends<<"Client)"<<endl<<
+ js_namespace(tservice->get_program()) << service_name_<<"Client[property] = "<<extends<<"Client[property]"<<endl;
+
+ }
+
+ //init prototype
+ f_service_ << js_namespace(tservice->get_program())<<service_name_ << "Client.prototype = {}"<<endl;
+
+
+ // Generate client method implementations
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::const_iterator f_iter;
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+ t_struct* arg_struct = (*f_iter)->get_arglist();
+ const vector<t_field*>& fields = arg_struct->get_members();
+ vector<t_field*>::const_iterator fld_iter;
+ string funname = (*f_iter)->get_name();
+
+ // Open function
+ f_service_ << js_namespace(tservice->get_program())<<service_name_<<"Client.prototype." << function_signature(*f_iter) << "{" << endl;
+
+ indent_up();
+
+ indent(f_service_) << indent() <<
+ "this.send_" << funname << "(";
+
+ bool first = true;
+ for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) {
+ if (first) {
+ first = false;
+ } else {
+ f_service_ << ", ";
+ }
+ f_service_ << (*fld_iter)->get_name();
+ }
+ f_service_ << ")" << endl;
+
+ if (!(*f_iter)->is_oneway()) {
+ f_service_ << indent();
+ if (!(*f_iter)->get_returntype()->is_void()) {
+ f_service_ << "return ";
+ }
+ f_service_ <<
+ "this.recv_" << funname << "()" << endl;
+ }
+
+ indent_down();
+
+ f_service_ << "}" << endl << endl;
+
+ f_service_ << js_namespace(tservice->get_program())<<service_name_ <<
+ "Client.prototype.send_" << function_signature(*f_iter) << "{" <<endl;
+
+ indent_up();
+
+ std::string argsname = js_namespace(program_)+ service_name_ + "_" + (*f_iter)->get_name() + "_args";
+
+ // Serialize the request header
+ f_service_ <<
+ indent() << "this.output.writeMessageBegin('" << (*f_iter)->get_name() << "', Thrift.MessageType.CALL, this.seqid)" << endl;
+
+ f_service_ <<
+ indent() << "var args = new " << argsname << "()" << endl;
+
+ for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) {
+ f_service_ <<
+ indent() << "args." << (*fld_iter)->get_name() << " = " << (*fld_iter)->get_name() << endl;
+ }
+
+ // Write to the stream
+ f_service_ <<
+ indent() << "args.write(this.output)" << endl <<
+ indent() << "this.output.writeMessageEnd()" << endl <<
+ indent() << "return this.output.getTransport().flush()" << endl;
+
+
+ indent_down();
+
+ f_service_ << "}" << endl;
+
+
+ if (!(*f_iter)->is_oneway()) {
+ std::string resultname = js_namespace(tservice->get_program()) + service_name_ + "_" + (*f_iter)->get_name() + "_result";
+ t_struct noargs(program_);
+
+ t_function recv_function((*f_iter)->get_returntype(),
+ string("recv_") + (*f_iter)->get_name(),
+ &noargs);
+ // Open function
+ f_service_ <<
+ endl << js_namespace(tservice->get_program())<<service_name_ <<
+ "Client.prototype." << function_signature(&recv_function) << "{" << endl;
+
+ indent_up();
+
+ f_service_ <<
+ indent() << "var ret = this.input.readMessageBegin()" << endl <<
+ indent() << "var fname = ret.fname" << endl <<
+ indent() << "var mtype = ret.mtype" << endl <<
+ indent() << "var rseqid= ret.rseqid" <<endl <<
+ indent() << "if (mtype == Thrift.MessageType.EXCEPTION) {" << endl <<
+ indent() << " var x = new Thrift.ApplicationException()" << endl <<
+ indent() << " x.read(this.input)" << endl <<
+ indent() << " this.input.readMessageEnd()" << endl <<
+ indent() << " throw x" << endl <<
+ indent() << "}" << endl;
+
+
+ f_service_ <<
+ indent() << "var result = new " << resultname << "()" << endl <<
+ indent() << "result.read(this.input)" << endl;
+
+
+ f_service_ <<
+ indent() << "this.input.readMessageEnd()" << endl <<
+ endl;
+
+
+ // Careful, only return result if not a void function
+ if (!(*f_iter)->get_returntype()->is_void()) {
+ f_service_ <<
+ indent() << "if (null != result.success ) {" << endl <<
+ indent() << " return result.success" << endl <<
+ indent() << "}" << endl;
+ }
+
+ t_struct* xs = (*f_iter)->get_xceptions();
+ const std::vector<t_field*>& xceptions = xs->get_members();
+ vector<t_field*>::const_iterator x_iter;
+ for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) {
+ f_service_ <<
+ indent() << "if (null != result." << (*x_iter)->get_name() << ") {" << endl <<
+ indent() << " throw result." << (*x_iter)->get_name() << endl <<
+ indent() << "}" << endl;
+ }
+
+ // Careful, only return _result if not a void function
+ if ((*f_iter)->get_returntype()->is_void()) {
+ indent(f_service_) <<
+ "return" << endl;
+ } else {
+ f_service_ <<
+ indent() << "throw \"" << (*f_iter)->get_name() << " failed: unknown result\"" << endl;
+ }
+
+ // Close function
+ indent_down();
+ f_service_ << "}"<<endl;
+
+ }
+ }
+
+}
+
+/**
+ * Deserializes a field of any type.
+ */
+void t_js_generator::generate_deserialize_field(ofstream &out,
+ t_field* tfield,
+ string prefix,
+ bool inclass) {
+ t_type* type = get_true_type(tfield->get_type());
+
+ if (type->is_void()) {
+ throw "CANNOT GENERATE DESERIALIZE CODE FOR void TYPE: " +
+ prefix + tfield->get_name();
+ }
+
+ string name = prefix+tfield->get_name();
+
+ if (type->is_struct() || type->is_xception()) {
+ generate_deserialize_struct(out,
+ (t_struct*)type,
+ name);
+ } else if (type->is_container()) {
+ generate_deserialize_container(out, type, name);
+ } else if (type->is_base_type() || type->is_enum()) {
+ indent(out) << "var rtmp = input.";
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ throw "compiler error: cannot serialize void field in a struct: " +
+ name;
+ break;
+ case t_base_type::TYPE_STRING:
+ out << "readString()";
+ break;
+ case t_base_type::TYPE_BOOL:
+ out << "readBool()";
+ break;
+ case t_base_type::TYPE_BYTE:
+ out << "readByte()";
+ break;
+ case t_base_type::TYPE_I16:
+ out << "readI16()";
+ break;
+ case t_base_type::TYPE_I32:
+ out << "readI32()";
+ break;
+ case t_base_type::TYPE_I64:
+ out << "readI64()";
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ out << "readDouble()";
+ break;
+ default:
+ throw "compiler error: no JS name for base type " + t_base_type::t_base_name(tbase);
+ }
+ } else if (type->is_enum()) {
+ out << "readI32()";
+ }
+ out << endl;
+
+ out <<name << " = rtmp.value"<<endl;
+
+
+ } else {
+ printf("DO NOT KNOW HOW TO DESERIALIZE FIELD '%s' TYPE '%s'\n",
+ tfield->get_name().c_str(), type->get_name().c_str());
+ }
+}
+
+/**
+ * Generates an unserializer for a variable. This makes two key assumptions,
+ * first that there is a const char* variable named data that points to the
+ * buffer for deserialization, and that there is a variable protocol which
+ * is a reference to a TProtocol serialization object.
+ */
+void t_js_generator::generate_deserialize_struct(ofstream &out,
+ t_struct* tstruct,
+ string prefix) {
+ out <<
+ indent() << prefix << " = new " << js_namespace(tstruct->get_program())<<tstruct->get_name() << "()" << endl <<
+ indent() << prefix << ".read(input)" << endl;
+
+}
+
+void t_js_generator::generate_deserialize_container(ofstream &out,
+ t_type* ttype,
+ string prefix) {
+ scope_up(out);
+
+ string size = tmp("_size");
+ string ktype = tmp("_ktype");
+ string vtype = tmp("_vtype");
+ string etype = tmp("_etype");
+
+ t_field fsize(g_type_i32, size);
+ t_field fktype(g_type_byte, ktype);
+ t_field fvtype(g_type_byte, vtype);
+ t_field fetype(g_type_byte, etype);
+
+ out << indent() << "var " << size << " = 0" << endl;
+ out << indent() << "var rtmp3" << endl;
+
+
+ // Declare variables, read header
+ if (ttype->is_map()) {
+ out <<
+ indent() << prefix << " = {}" << endl <<
+ indent() << "var " << ktype << " = 0" << endl <<
+ indent() << "var " << vtype << " = 0" << endl;
+
+ out << indent() << "rtmp3 = input.readMapBegin()" << endl;
+ out << indent() << ktype << "= rtmp3.ktype" << endl;
+ out << indent() << vtype << "= rtmp3.vtype" << endl;
+ out << indent() << size << "= rtmp3.size" << endl;
+
+
+ } else if (ttype->is_set()) {
+
+ out <<
+ indent() << prefix << " = []" << endl <<
+ indent() << "var " << etype << " = 0" << endl <<
+ indent() << "rtmp3 = input.readSetBegin()" << endl <<
+ indent() << etype << "= rtmp3.etype"<<endl<<
+ indent() << size << " = rtmp3.size"<<endl;
+
+ } else if (ttype->is_list()) {
+
+ out <<
+ indent() << prefix << " = []" << endl <<
+ indent() << "var " << etype << " = 0" << endl <<
+ indent() << "rtmp3 = input.readListBegin()" << endl <<
+ indent() << etype << " = rtmp3.etype"<<endl<<
+ indent() << size << " = rtmp3.size"<<endl;
+ }
+
+ // For loop iterates over elements
+ string i = tmp("_i");
+ indent(out) <<
+ "for (var " <<
+ i << " = 0; " << i << " < " << size << "; ++" << i << ")" << endl;
+
+ scope_up(out);
+
+ if (ttype->is_map()) {
+ generate_deserialize_map_element(out, (t_map*)ttype, prefix);
+ } else if (ttype->is_set()) {
+ generate_deserialize_set_element(out, (t_set*)ttype, prefix);
+ } else if (ttype->is_list()) {
+ generate_deserialize_list_element(out, (t_list*)ttype, prefix);
+ }
+
+ scope_down(out);
+
+
+ // Read container end
+ if (ttype->is_map()) {
+ indent(out) << "input.readMapEnd()" << endl;
+ } else if (ttype->is_set()) {
+ indent(out) << "input.readSetEnd()" << endl;
+ } else if (ttype->is_list()) {
+ indent(out) << "input.readListEnd()" << endl;
+ }
+
+ scope_down(out);
+}
+
+
+/**
+ * Generates code to deserialize a map
+ */
+void t_js_generator::generate_deserialize_map_element(ofstream &out,
+ t_map* tmap,
+ string prefix) {
+ string key = tmp("key");
+ string val = tmp("val");
+ t_field fkey(tmap->get_key_type(), key);
+ t_field fval(tmap->get_val_type(), val);
+
+ indent(out) <<
+ declare_field(&fkey, true, false) << endl;
+ indent(out) <<
+ declare_field(&fval, true, false) << endl;
+
+ generate_deserialize_field(out, &fkey);
+ generate_deserialize_field(out, &fval);
+
+ indent(out) <<
+ prefix << "[" << key << "] = " << val << endl;
+}
+
+void t_js_generator::generate_deserialize_set_element(ofstream &out,
+ t_set* tset,
+ string prefix) {
+ string elem = tmp("elem");
+ t_field felem(tset->get_elem_type(), elem);
+
+ indent(out) <<
+ "var " << elem << " = null" << endl;
+
+ generate_deserialize_field(out, &felem);
+
+ indent(out) <<
+ prefix << ".push(" << elem << ")" << endl;
+}
+
+void t_js_generator::generate_deserialize_list_element(ofstream &out,
+ t_list* tlist,
+ string prefix) {
+ string elem = tmp("elem");
+ t_field felem(tlist->get_elem_type(), elem);
+
+ indent(out) <<
+ "var " << elem << " = null" << endl;
+
+ generate_deserialize_field(out, &felem);
+
+ indent(out) <<
+ prefix << ".push(" << elem << ")" << endl;
+}
+
+
+/**
+ * Serializes a field of any type.
+ *
+ * @param tfield The field to serialize
+ * @param prefix Name to prepend to field name
+ */
+void t_js_generator::generate_serialize_field(ofstream &out,
+ t_field* tfield,
+ string prefix) {
+ t_type* type = get_true_type(tfield->get_type());
+
+ // Do nothing for void types
+ if (type->is_void()) {
+ throw "CANNOT GENERATE SERIALIZE CODE FOR void TYPE: " +
+ prefix + tfield->get_name();
+ }
+
+ if (type->is_struct() || type->is_xception()) {
+ generate_serialize_struct(out,
+ (t_struct*)type,
+ prefix +tfield->get_name() );
+ } else if (type->is_container()) {
+ generate_serialize_container(out,
+ type,
+ prefix + tfield->get_name());
+ } else if (type->is_base_type() || type->is_enum()) {
+
+ string name = tfield->get_name();
+
+ //Hack for when prefix is defined (always a hash ref)
+ if(!prefix.empty())
+ name = prefix + tfield->get_name();
+
+ indent(out) << "output.";
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ throw
+ "compiler error: cannot serialize void field in a struct: " + name;
+ break;
+ case t_base_type::TYPE_STRING:
+ out << "writeString(" << name << ")";
+ break;
+ case t_base_type::TYPE_BOOL:
+ out << "writeBool(" << name << ")";
+ break;
+ case t_base_type::TYPE_BYTE:
+ out << "writeByte(" << name << ")";
+ break;
+ case t_base_type::TYPE_I16:
+ out << "writeI16(" << name << ")";
+ break;
+ case t_base_type::TYPE_I32:
+ out << "writeI32(" << name << ")";
+ break;
+ case t_base_type::TYPE_I64:
+ out << "writeI64(" << name << ")";
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ out << "writeDouble(" << name << ")";
+ break;
+ default:
+ throw "compiler error: no JS name for base type " + t_base_type::t_base_name(tbase);
+ }
+ } else if (type->is_enum()) {
+ out << "writeI32(" << name << ")";
+ }
+ out << endl;
+
+ } else {
+ printf("DO NOT KNOW HOW TO SERIALIZE FIELD '%s%s' TYPE '%s'\n",
+ prefix.c_str(),
+ tfield->get_name().c_str(),
+ type->get_name().c_str());
+ }
+}
+
+/**
+ * Serializes all the members of a struct.
+ *
+ * @param tstruct The struct to serialize
+ * @param prefix String prefix to attach to all fields
+ */
+void t_js_generator::generate_serialize_struct(ofstream &out,
+ t_struct* tstruct,
+ string prefix) {
+ indent(out) << prefix << ".write(output)" << endl;
+}
+
+/**
+ * Writes out a container
+ */
+void t_js_generator::generate_serialize_container(ofstream &out,
+ t_type* ttype,
+ string prefix) {
+ scope_up(out);
+
+ if (ttype->is_map()) {
+ indent(out) <<
+ "output.writeMapBegin(" <<
+ type_to_enum(((t_map*)ttype)->get_key_type()) << ", " <<
+ type_to_enum(((t_map*)ttype)->get_val_type()) << ", " <<
+ prefix << ".length)" << endl;
+ } else if (ttype->is_set()) {
+ indent(out) <<
+ "output.writeSetBegin(" <<
+ type_to_enum(((t_set*)ttype)->get_elem_type()) << ", " <<
+ prefix << ".length)" << endl;
+
+ } else if (ttype->is_list()) {
+
+ indent(out) <<
+ "output.writeListBegin(" <<
+ type_to_enum(((t_list*)ttype)->get_elem_type()) << ", " <<
+ prefix << ".length)" << endl;
+
+ }
+
+ scope_up(out);
+
+ if (ttype->is_map()) {
+ string kiter = tmp("kiter");
+ string viter = tmp("viter");
+ indent(out) << "for(var "<<kiter<<" in "<<prefix<<")";
+ scope_up(out);
+ indent(out) << "var "<<viter<<" = "<<prefix<<"["<<kiter<<"]"<<endl;
+ generate_serialize_map_element(out, (t_map*)ttype, kiter, viter);
+ scope_down(out);
+
+
+ } else if (ttype->is_set()) {
+ string iter = tmp("iter");
+ indent(out) <<
+ "for(var "<<iter<<" in " << prefix << ")" << endl;
+ scope_up(out);
+ indent(out) << iter << "=" << prefix << "[" << iter << "]"<< endl;
+ generate_serialize_set_element(out, (t_set*)ttype, iter);
+ scope_down(out);
+
+
+ } else if (ttype->is_list()) {
+ string iter = tmp("iter");
+ indent(out) <<
+ "for(var "<<iter<<" in "<< prefix << ")" << endl;
+ scope_up(out);
+ indent(out) << iter << "=" << prefix << "[" << iter << "]"<< endl;
+ generate_serialize_list_element(out, (t_list*)ttype, iter);
+ scope_down(out);
+ }
+
+ scope_down(out);
+
+ if (ttype->is_map()) {
+ indent(out) <<
+ "output.writeMapEnd()" << endl;
+ } else if (ttype->is_set()) {
+ indent(out) <<
+ "output.writeSetEnd()" << endl;
+ } else if (ttype->is_list()) {
+ indent(out) <<
+ "output.writeListEnd()" << endl;
+ }
+
+ scope_down(out);
+}
+
+/**
+ * Serializes the members of a map.
+ *
+ */
+void t_js_generator::generate_serialize_map_element(ofstream &out,
+ t_map* tmap,
+ string kiter,
+ string viter) {
+ t_field kfield(tmap->get_key_type(), kiter);
+ generate_serialize_field(out, &kfield);
+
+ t_field vfield(tmap->get_val_type(), viter);
+ generate_serialize_field(out, &vfield);
+}
+
+/**
+ * Serializes the members of a set.
+ */
+void t_js_generator::generate_serialize_set_element(ofstream &out,
+ t_set* tset,
+ string iter) {
+ t_field efield(tset->get_elem_type(), iter);
+ generate_serialize_field(out, &efield);
+}
+
+/**
+ * Serializes the members of a list.
+ */
+void t_js_generator::generate_serialize_list_element(ofstream &out,
+ t_list* tlist,
+ string iter) {
+ t_field efield(tlist->get_elem_type(), iter);
+ generate_serialize_field(out, &efield);
+}
+
+/**
+ * Declares a field, which may include initialization as necessary.
+ *
+ * @param ttype The type
+ */
+string t_js_generator::declare_field(t_field* tfield, bool init, bool obj) {
+ string result = "this." + tfield->get_name();
+
+ if(!obj){
+ result = tfield->get_name();
+ }
+
+ if (init) {
+ t_type* type = get_true_type(tfield->get_type());
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ break;
+ case t_base_type::TYPE_STRING:
+ result += " = ''";
+ break;
+ case t_base_type::TYPE_BOOL:
+ result += " = false";
+ break;
+ case t_base_type::TYPE_BYTE:
+ case t_base_type::TYPE_I16:
+ case t_base_type::TYPE_I32:
+ case t_base_type::TYPE_I64:
+ result += " = 0";
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ result += " = 0.0";
+ break;
+ default:
+ throw "compiler error: no JS initializer for base type " + t_base_type::t_base_name(tbase);
+ }
+ } else if (type->is_enum()) {
+ result += " = 0";
+ } else if (type->is_map()){
+ result += " = {}";
+ } else if (type->is_container()) {
+ result += " = []";
+ } else if (type->is_struct() || type->is_xception()) {
+ if (obj) {
+ result += " = new " +js_namespace(type->get_program()) + type->get_name() + "()";
+ } else {
+ result += " = null";
+ }
+ }
+ }
+ return result;
+}
+
+/**
+ * Renders a function signature of the form 'type name(args)'
+ *
+ * @param tfunction Function definition
+ * @return String of rendered function definition
+ */
+string t_js_generator::function_signature(t_function* tfunction,
+ string prefix) {
+
+ string str;
+
+ str = prefix + tfunction->get_name() + " = function(";
+
+
+ //Need to create js function arg inputs
+ const vector<t_field*> &fields = tfunction->get_arglist()->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+
+ if(f_iter != fields.begin())
+ str += ",";
+
+ str += (*f_iter)->get_name();
+ }
+
+
+ str += ")";
+ return str;
+}
+
+/**
+ * Renders a field list
+ */
+string t_js_generator::argument_list(t_struct* tstruct) {
+ string result = "";
+
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+ bool first = true;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ if (first) {
+ first = false;
+ } else {
+ result += ", ";
+ }
+ result += (*f_iter)->get_name();
+ }
+ return result;
+}
+
+/**
+ * Converts the parse type to a C++ enum string for the given type.
+ */
+string t_js_generator ::type_to_enum(t_type* type) {
+ type = get_true_type(type);
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ throw "NO T_VOID CONSTRUCT";
+ case t_base_type::TYPE_STRING:
+ return "Thrift.Type.STRING";
+ case t_base_type::TYPE_BOOL:
+ return "Thrift.Type.BOOL";
+ case t_base_type::TYPE_BYTE:
+ return "Thrift.Type.BYTE";
+ case t_base_type::TYPE_I16:
+ return "Thrift.Type.I16";
+ case t_base_type::TYPE_I32:
+ return "Thrift.Type.I32";
+ case t_base_type::TYPE_I64:
+ return "Thrift.Type.I64";
+ case t_base_type::TYPE_DOUBLE:
+ return "Thrift.Type.DOUBLE";
+ }
+ } else if (type->is_enum()) {
+ return "Thrift.Type.I32";
+ } else if (type->is_struct() || type->is_xception()) {
+ return "Thrift.Type.STRUCT";
+ } else if (type->is_map()) {
+ return "Thrift.Type.MAP";
+ } else if (type->is_set()) {
+ return "Thrift.Type.SET";
+ } else if (type->is_list()) {
+ return "Thrift.Type.LIST";
+ }
+
+ throw "INVALID TYPE IN type_to_enum: " + type->get_name();
+}
+
+
+THRIFT_REGISTER_GENERATOR(js, "Javascript", "");
--- /dev/null
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package test;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InterruptedIOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.net.URLDecoder;
+import java.util.Locale;
+
+import org.apache.http.ConnectionClosedException;
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpEntityEnclosingRequest;
+import org.apache.http.HttpException;
+import org.apache.http.HttpRequest;
+import org.apache.http.HttpResponse;
+import org.apache.http.HttpServerConnection;
+import org.apache.http.HttpStatus;
+import org.apache.http.MethodNotSupportedException;
+import org.apache.http.entity.ContentProducer;
+import org.apache.http.entity.EntityTemplate;
+import org.apache.http.entity.FileEntity;
+import org.apache.http.impl.DefaultHttpResponseFactory;
+import org.apache.http.impl.DefaultHttpServerConnection;
+import org.apache.http.impl.NoConnectionReuseStrategy;
+import org.apache.http.params.BasicHttpParams;
+import org.apache.http.params.CoreConnectionPNames;
+import org.apache.http.params.CoreProtocolPNames;
+import org.apache.http.params.HttpParams;
+import org.apache.http.protocol.BasicHttpContext;
+import org.apache.http.protocol.BasicHttpProcessor;
+import org.apache.http.protocol.HttpContext;
+import org.apache.http.protocol.HttpProcessor;
+import org.apache.http.protocol.HttpRequestHandler;
+import org.apache.http.protocol.HttpRequestHandlerRegistry;
+import org.apache.http.protocol.HttpService;
+import org.apache.http.util.EntityUtils;
+import org.apache.thrift.TProcessor;
+import org.apache.thrift.protocol.TJSONProtocol;
+import org.apache.thrift.protocol.TProtocol;
+import org.apache.thrift.transport.TMemoryBuffer;
+
+import thrift.test.ThriftTest;
+
+/**
+ * Basic, yet fully functional and spec compliant, HTTP/1.1 file server.
+ * <p>
+ * Please note the purpose of this application is demonstrate the usage of
+ * HttpCore APIs. It is NOT intended to demonstrate the most efficient way of
+ * building an HTTP file server.
+ *
+ *
+ */
+public class Httpd {
+
+ public static void main(String[] args) throws Exception {
+ if (args.length < 1) {
+ System.err.println("Please specify document root directory");
+ System.exit(1);
+ }
+ Thread t = new RequestListenerThread(8088, args[0]);
+ t.setDaemon(false);
+ t.start();
+ }
+
+ static class HttpFileHandler implements HttpRequestHandler {
+
+ private final String docRoot;
+
+ public HttpFileHandler(final String docRoot) {
+ super();
+ this.docRoot = docRoot;
+ }
+
+ public void handle(final HttpRequest request, final HttpResponse response, final HttpContext context) throws HttpException, IOException {
+
+ String method = request.getRequestLine().getMethod().toUpperCase(Locale.ENGLISH);
+ if (!method.equals("GET") && !method.equals("HEAD") && !method.equals("POST")) {
+ throw new MethodNotSupportedException(method + " method not supported");
+ }
+ String target = request.getRequestLine().getUri();
+
+ if (request instanceof HttpEntityEnclosingRequest && target.equals("/service")) {
+ HttpEntity entity = ((HttpEntityEnclosingRequest) request).getEntity();
+ byte[] entityContent = EntityUtils.toByteArray(entity);
+ System.out.println("Incoming content: " + new String(entityContent));
+
+ final String output = this.thriftRequest(entityContent);
+
+ System.out.println("Outgoing content: "+output);
+
+ EntityTemplate body = new EntityTemplate(new ContentProducer() {
+
+ public void writeTo(final OutputStream outstream) throws IOException {
+ OutputStreamWriter writer = new OutputStreamWriter(outstream, "UTF-8");
+ writer.write(output);
+ writer.flush();
+ }
+
+ });
+ body.setContentType("text/html; charset=UTF-8");
+ response.setEntity(body);
+ } else {
+
+ final File file = new File(this.docRoot, URLDecoder.decode(target));
+ if (!file.exists()) {
+
+ response.setStatusCode(HttpStatus.SC_NOT_FOUND);
+ EntityTemplate body = new EntityTemplate(new ContentProducer() {
+
+ public void writeTo(final OutputStream outstream) throws IOException {
+ OutputStreamWriter writer = new OutputStreamWriter(outstream, "UTF-8");
+ writer.write("<html><body><h1>");
+ writer.write("File ");
+ writer.write(file.getPath());
+ writer.write(" not found");
+ writer.write("</h1></body></html>");
+ writer.flush();
+ }
+
+ });
+ body.setContentType("text/html; charset=UTF-8");
+ response.setEntity(body);
+ System.out.println("File " + file.getPath() + " not found");
+
+ } else if (!file.canRead() || file.isDirectory()) {
+
+ response.setStatusCode(HttpStatus.SC_FORBIDDEN);
+ EntityTemplate body = new EntityTemplate(new ContentProducer() {
+
+ public void writeTo(final OutputStream outstream) throws IOException {
+ OutputStreamWriter writer = new OutputStreamWriter(outstream, "UTF-8");
+ writer.write("<html><body><h1>");
+ writer.write("Access denied");
+ writer.write("</h1></body></html>");
+ writer.flush();
+ }
+
+ });
+ body.setContentType("text/html; charset=UTF-8");
+ response.setEntity(body);
+ System.out.println("Cannot read file " + file.getPath());
+
+ } else {
+
+ response.setStatusCode(HttpStatus.SC_OK);
+ FileEntity body = new FileEntity(file, "text/html");
+ response.setEntity(body);
+ System.out.println("Serving file " + file.getPath());
+
+ }
+ }
+ }
+
+ private String thriftRequest(byte[] input){
+ try{
+
+ //Input
+ TMemoryBuffer inbuffer = new TMemoryBuffer(input.length);
+ inbuffer.write(input);
+ TProtocol inprotocol = new TJSONProtocol(inbuffer);
+
+ //Output
+ TMemoryBuffer outbuffer = new TMemoryBuffer(100);
+ TProtocol outprotocol = new TJSONProtocol(outbuffer);
+
+ TProcessor processor = new ThriftTest.Processor(new TestHandler());
+ processor.process(inprotocol, outprotocol);
+
+ byte[] output = new byte[outbuffer.length()];
+ outbuffer.readAll(output, 0, output.length);
+
+ return new String(output,"UTF-8");
+ }catch(Throwable t){
+ return "Error:"+t.getMessage();
+ }
+
+
+ }
+
+ }
+
+ static class RequestListenerThread extends Thread {
+
+ private final ServerSocket serversocket;
+ private final HttpParams params;
+ private final HttpService httpService;
+
+ public RequestListenerThread(int port, final String docroot) throws IOException {
+ this.serversocket = new ServerSocket(port);
+ this.params = new BasicHttpParams();
+ this.params.setIntParameter(CoreConnectionPNames.SO_TIMEOUT, 1000).setIntParameter(CoreConnectionPNames.SOCKET_BUFFER_SIZE, 8 * 1024)
+ .setBooleanParameter(CoreConnectionPNames.STALE_CONNECTION_CHECK, false).setBooleanParameter(CoreConnectionPNames.TCP_NODELAY, true)
+ .setParameter(CoreProtocolPNames.ORIGIN_SERVER, "HttpComponents/1.1");
+
+ // Set up the HTTP protocol processor
+ HttpProcessor httpproc = new BasicHttpProcessor();
+
+ // Set up request handlers
+ HttpRequestHandlerRegistry reqistry = new HttpRequestHandlerRegistry();
+ reqistry.register("*", new HttpFileHandler(docroot));
+
+ // Set up the HTTP service
+ this.httpService = new HttpService(httpproc, new NoConnectionReuseStrategy(), new DefaultHttpResponseFactory());
+ this.httpService.setParams(this.params);
+ this.httpService.setHandlerResolver(reqistry);
+ }
+
+ public void run() {
+ System.out.println("Listening on port " + this.serversocket.getLocalPort());
+ System.out.println("Point your browser to http://localhost:8088/test/test.html");
+
+ while (!Thread.interrupted()) {
+ try {
+ // Set up HTTP connection
+ Socket socket = this.serversocket.accept();
+ DefaultHttpServerConnection conn = new DefaultHttpServerConnection();
+ System.out.println("Incoming connection from " + socket.getInetAddress());
+ conn.bind(socket, this.params);
+
+ // Start worker thread
+ Thread t = new WorkerThread(this.httpService, conn);
+ t.setDaemon(true);
+ t.start();
+ } catch (InterruptedIOException ex) {
+ break;
+ } catch (IOException e) {
+ System.err.println("I/O error initialising connection thread: " + e.getMessage());
+ break;
+ }
+ }
+ }
+ }
+
+ static class WorkerThread extends Thread {
+
+ private final HttpService httpservice;
+ private final HttpServerConnection conn;
+
+ public WorkerThread(final HttpService httpservice, final HttpServerConnection conn) {
+ super();
+ this.httpservice = httpservice;
+ this.conn = conn;
+ }
+
+ public void run() {
+ System.out.println("New connection thread");
+ HttpContext context = new BasicHttpContext(null);
+ try {
+ while (!Thread.interrupted() && this.conn.isOpen()) {
+ this.httpservice.handleRequest(this.conn, context);
+ }
+ } catch (ConnectionClosedException ex) {
+ System.err.println("Client closed connection");
+ } catch (IOException ex) {
+ System.err.println("I/O error: " + ex.getMessage());
+ } catch (HttpException ex) {
+ System.err.println("Unrecoverable HTTP protocol violation: " + ex.getMessage());
+ } finally {
+ try {
+ this.conn.shutdown();
+ } catch (IOException ignore) {
+ }
+ }
+ }
+
+ }
+
+}
Code Review / common / thrift.git / commitdiff
