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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 "ppapi/proxy/host_resolver_resource_base.h"
#include "base/bind.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/proxy/error_conversion.h"
#include "ppapi/proxy/net_address_resource.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/shared_impl/tracked_callback.h"
#include "ppapi/shared_impl/var.h"
namespace ppapi {
namespace proxy {
HostResolverResourceBase::HostResolverResourceBase(Connection connection,
PP_Instance instance,
bool private_api)
: PluginResource(connection, instance),
private_api_(private_api),
allow_get_results_(false) {
if (private_api)
SendCreate(BROWSER, PpapiHostMsg_HostResolver_CreatePrivate());
else
SendCreate(BROWSER, PpapiHostMsg_HostResolver_Create());
}
HostResolverResourceBase::~HostResolverResourceBase() {
}
int32_t HostResolverResourceBase::ResolveImpl(
const char* host,
uint16_t port,
const PP_HostResolver_Private_Hint* hint,
scoped_refptr<TrackedCallback> callback) {
allow_get_results_ = false;
if (!host || !hint)
return PP_ERROR_BADARGUMENT;
if (ResolveInProgress())
return PP_ERROR_INPROGRESS;
resolve_callback_ = callback;
HostPortPair host_port;
host_port.host = host;
host_port.port = port;
SendResolve(host_port, hint);
return PP_OK_COMPLETIONPENDING;
}
PP_Var HostResolverResourceBase::GetCanonicalNameImpl() {
if (!allow_get_results_)
return PP_MakeUndefined();
return StringVar::StringToPPVar(canonical_name_);
}
uint32_t HostResolverResourceBase::GetSizeImpl() {
if (!allow_get_results_)
return 0;
return static_cast<uint32_t>(net_address_list_.size());
}
scoped_refptr<NetAddressResource> HostResolverResourceBase::GetNetAddressImpl(
uint32_t index) {
if (!allow_get_results_ || index >= GetSizeImpl())
return scoped_refptr<NetAddressResource>();
return net_address_list_[index];
}
void HostResolverResourceBase::OnPluginMsgResolveReply(
const ResourceMessageReplyParams& params,
const std::string& canonical_name,
const std::vector<PP_NetAddress_Private>& net_address_list) {
if (params.result() == PP_OK) {
allow_get_results_ = true;
canonical_name_ = canonical_name;
net_address_list_.clear();
for (std::vector<PP_NetAddress_Private>::const_iterator iter =
net_address_list.begin();
iter != net_address_list.end();
++iter) {
net_address_list_.push_back(
new NetAddressResource(connection(), pp_instance(), *iter));
}
} else {
canonical_name_.clear();
net_address_list_.clear();
}
resolve_callback_->Run(ConvertNetworkAPIErrorForCompatibility(params.result(),
private_api_));
}
void HostResolverResourceBase::SendResolve(
const HostPortPair& host_port,
const PP_HostResolver_Private_Hint* hint) {
PpapiHostMsg_HostResolver_Resolve msg(host_port, *hint);
Call<PpapiPluginMsg_HostResolver_ResolveReply>(
BROWSER,
msg,
base::Bind(&HostResolverResourceBase::OnPluginMsgResolveReply,
base::Unretained(this)));
}
bool HostResolverResourceBase::ResolveInProgress() const {
return TrackedCallback::IsPending(resolve_callback_);
}
} // namespace proxy
} // namespace ppapi
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