httpd.cc | Explore in Territory

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * 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.
 */

#include <cstddef>
#include <cstdint>
#include <initializer_list>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>

#include "perfetto/base/logging.h"
#include "perfetto/base/status.h"
#include "perfetto/ext/base/http/http_server.h"
#include "perfetto/ext/base/string_utils.h"
#include "perfetto/ext/base/string_view.h"
#include "perfetto/ext/base/unix_task_runner.h"
#include "perfetto/protozero/scattered_heap_buffer.h"
#include "perfetto/trace_processor/trace_processor.h"
#include "src/trace_processor/rpc/httpd.h"
#include "src/trace_processor/rpc/rpc.h"

#include "protos/perfetto/trace_processor/trace_processor.pbzero.h"

namespace perfetto::trace_processor {
namespace {

constexpr int kBindPort = …;

// Sets the Access-Control-Allow-Origin: $origin on the following origins.
// This affects only browser clients that use CORS. Other HTTP clients (e.g. the
// python API) don't look at CORS headers.
const char* kAllowedCORSOrigins[] = …;

class Httpd : public base::HttpRequestHandler { … };

base::StringView Vec2Sv(const std::vector<uint8_t>& v) { … }

// Used both by websockets and /rpc chunked HTTP endpoints.
void SendRpcChunk(base::HttpServerConnection* conn,
                  const void* data,
                  uint32_t len) { … }

Httpd::Httpd(std::unique_ptr<TraceProcessor> preloaded_instance)
    : … { … }
Httpd::~Httpd() = default;

void Httpd::Run(int port) { … }

void Httpd::OnHttpRequest(const base::HttpRequest& req) { … }

void Httpd::OnWebsocketMessage(const base::WebsocketMessage& msg) { … }

}  // namespace

void RunHttpRPCServer(std::unique_ptr<TraceProcessor> preloaded_instance,
                      const std::string& port_number) { … }

void Httpd::ServeHelpPage(const base::HttpRequest& req) { … }

}  // namespace perfetto::trace_processor
chromium/third_party/perfetto/src/trace_processor/rpc/httpd.cc
