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// Copyright 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 "chrome/browser/extensions/api/diagnostics/diagnostics_api.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/json/json_reader.h"
#include "base/strings/string_number_conversions.h"
#include "base/values.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/debug_daemon_client.h"
namespace extensions {
namespace {
const char kCount[] = "count";
const char kDefaultCount[] = "1";
const char kTTL[] = "ttl";
const char kTimeout[] = "timeout";
const char kSize[] = "size";
typedef base::Callback<void(
DiagnosticsSendPacketFunction::SendPacketResultCode result_code,
const std::string& ip,
double latency)>
SendPacketCallback;
bool ParseResult(const std::string& status,
std::string* ip,
double* latency) {
// Parses the result and returns IP and latency.
scoped_ptr<base::Value> parsed_value(base::JSONReader::Read(status));
if (!parsed_value)
return false;
base::DictionaryValue* result = NULL;
if (!parsed_value->GetAsDictionary(&result) || result->size() != 1)
return false;
// Returns the first item.
base::DictionaryValue::Iterator iterator(*result);
const base::DictionaryValue* info;
if (!iterator.value().GetAsDictionary(&info))
return false;
if (!info->GetDouble("avg", latency))
return false;
*ip = iterator.key();
return true;
}
void OnTestICMPCompleted(
const SendPacketCallback& callback,
bool succeeded,
const std::string& status) {
std::string ip;
double latency;
if (!succeeded || !ParseResult(status, &ip, &latency)) {
callback.Run(DiagnosticsSendPacketFunction::SEND_PACKET_FAILED, "", 0.0);
} else {
callback.Run(DiagnosticsSendPacketFunction::SEND_PACKET_OK,
ip,
latency);
}
}
} // namespace
void DiagnosticsSendPacketFunction::AsyncWorkStart() {
std::map<std::string, std::string> config;
config[kCount] = kDefaultCount;
if (parameters_->options.ttl)
config[kTTL] = base::IntToString(*parameters_->options.ttl);
if (parameters_->options.timeout)
config[kTimeout] = base::IntToString(*parameters_->options.timeout);
if (parameters_->options.size)
config[kSize] = base::IntToString(*parameters_->options.size);
chromeos::DBusThreadManager::Get()->GetDebugDaemonClient()->
TestICMPWithOptions(
parameters_->options.ip, config,
base::Bind(
OnTestICMPCompleted,
base::Bind(&DiagnosticsSendPacketFunction::OnCompleted, this)));
}
} // namespace extensions
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