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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <cstdio>
#include <iostream>
#include <string>
#include <vector>
#include "base/at_exit.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_number_conversions.h"
#include "base/synchronization/waitable_event.h"
#include "chrome/test/chromedriver/command_executor_impl.h"
#include "chrome/test/chromedriver/server/http_handler.h"
#include "chrome/test/chromedriver/server/http_response.h"
#include "chrome/test/chromedriver/version.h"
#include "third_party/mongoose/mongoose.h"
namespace {
void ReadRequestBody(const struct mg_request_info* const request_info,
struct mg_connection* const connection,
std::string* request_body) {
int content_length = 0;
// 64 maximum header count hard-coded in mongoose.h
for (int header_index = 0; header_index < 64; ++header_index) {
if (request_info->http_headers[header_index].name == NULL) {
break;
}
if (strcmp(request_info->http_headers[header_index].name,
"Content-Length") == 0) {
base::StringToInt(
request_info->http_headers[header_index].value, &content_length);
break;
}
}
if (content_length > 0) {
request_body->resize(content_length);
int bytes_read = 0;
while (bytes_read < content_length) {
bytes_read += mg_read(connection,
&(*request_body)[bytes_read],
content_length - bytes_read);
}
}
}
struct MongooseUserData {
HttpHandler* handler;
base::WaitableEvent* shutdown_event;
};
void* ProcessHttpRequest(mg_event event_raised,
struct mg_connection* connection,
const struct mg_request_info* request_info) {
if (event_raised != MG_NEW_REQUEST)
return reinterpret_cast<void*>(false);
MongooseUserData* user_data =
reinterpret_cast<MongooseUserData*>(request_info->user_data);
std::string method_str = request_info->request_method;
HttpMethod method = kGet;
if (method_str == "PUT" || method_str == "POST")
method = kPost;
else if (method_str == "DELETE")
method = kDelete;
std::string body;
if (method == kPost)
ReadRequestBody(request_info, connection, &body);
HttpRequest request(method, request_info->uri, body);
LOG(INFO) << "Handling request: "
<< std::string(request_info->uri) << " " << body;
HttpResponse response;
user_data->handler->Handle(request, &response);
LOG(INFO) << "Done handling request: "
<< response.status() << " " << response.body();
// Don't allow HTTP keep alive.
response.AddHeader("connection", "close");
std::string data;
response.GetData(&data);
mg_write(connection, data.data(), data.length());
if (user_data->handler->ShouldShutdown(request))
user_data->shutdown_event->Signal();
return reinterpret_cast<void*>(true);
}
void MakeMongooseOptions(const std::string& port,
int http_threads,
std::vector<std::string>* out_options) {
out_options->push_back("listening_ports");
out_options->push_back(port);
out_options->push_back("enable_keep_alive");
out_options->push_back("no");
out_options->push_back("num_threads");
out_options->push_back(base::IntToString(http_threads));
}
} // namespace
int main(int argc, char *argv[]) {
CommandLine::Init(argc, argv);
base::AtExitManager exit;
CommandLine* cmd_line = CommandLine::ForCurrentProcess();
// Parse command line flags.
std::string port = "9515";
std::string url_base;
int http_threads = 4;
base::FilePath log_path;
if (cmd_line->HasSwitch("port"))
port = cmd_line->GetSwitchValueASCII("port");
if (cmd_line->HasSwitch("url-base"))
url_base = cmd_line->GetSwitchValueASCII("url-base");
if (url_base.empty() || url_base[0] != '/')
url_base = "/" + url_base;
if (url_base[url_base.length() - 1] != '/')
url_base = url_base + "/";
if (cmd_line->HasSwitch("http-threads")) {
if (!base::StringToInt(cmd_line->GetSwitchValueASCII("http-threads"),
&http_threads)) {
printf("'http-threads' option must be an integer\n");
return 1;
}
}
if (cmd_line->HasSwitch("log-path")) {
log_path = cmd_line->GetSwitchValuePath("log-path");
} else {
base::FilePath::StringType log_name(FILE_PATH_LITERAL("chromedriver.log"));
log_path = base::FilePath(log_name);
file_util::ScopedFILE file(file_util::OpenFile(log_path, "w"));
base::FilePath temp_dir;
if (!file.get() && file_util::GetTempDir(&temp_dir))
log_path = temp_dir.Append(log_name);
}
if (!log_path.IsAbsolute()) {
base::FilePath cwd;
if (file_util::GetCurrentDirectory(&cwd))
log_path = cwd.Append(log_path);
}
bool success = InitLogging(
log_path.value().c_str(),
logging::LOG_ONLY_TO_FILE,
logging::DONT_LOCK_LOG_FILE,
logging::DELETE_OLD_LOG_FILE,
logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS);
if (!success) {
PLOG(ERROR) << "Unable to initialize logging";
}
logging::SetLogItems(false, // enable_process_id
false, // enable_thread_id
true, // enable_timestamp
false); // enable_tickcount
scoped_ptr<CommandExecutor> executor(new CommandExecutorImpl());
HttpHandler handler(executor.Pass(), HttpHandler::CreateCommandMap(),
url_base);
base::WaitableEvent shutdown_event(false, false);
MongooseUserData user_data = { &handler, &shutdown_event };
std::vector<std::string> args;
MakeMongooseOptions(port, http_threads, &args);
scoped_ptr<const char*[]> options(new const char*[args.size() + 1]);
for (size_t i = 0; i < args.size(); ++i) {
options[i] = args[i].c_str();
}
options[args.size()] = NULL;
struct mg_context* ctx = mg_start(&ProcessHttpRequest,
&user_data,
options.get());
if (ctx == NULL) {
printf("Port already in use. Exiting...\n");
return 1;
}
if (!cmd_line->HasSwitch("silent")) {
std::cout << "Started ChromeDriver" << std::endl
<< "port=" << port << std::endl
<< "version=" << std::string(kChromeDriverVersion) << std::endl
<< "log=" << log_path.value() << std::endl;
}
if (!cmd_line->HasSwitch("verbose")) {
fclose(stdout);
fclose(stderr);
}
// Run until we receive command to shutdown.
shutdown_event.Wait();
return 0;
}
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