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// Copyright (c) 2012 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/shared_impl/private/ppb_host_resolver_shared.h"
#include <cstddef>
#include <cstring>
#include "base/memory/scoped_ptr.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/shared_impl/private/net_address_private_impl.h"
#include "ppapi/shared_impl/var.h"
#include "ppapi/thunk/thunk.h"
namespace ppapi {
PPB_HostResolver_Shared::PPB_HostResolver_Shared(PP_Instance instance)
: Resource(OBJECT_IS_IMPL, instance),
host_resolver_id_(GenerateHostResolverID()) {
}
PPB_HostResolver_Shared::PPB_HostResolver_Shared(
const HostResource& resource)
: Resource(OBJECT_IS_PROXY, resource),
host_resolver_id_(GenerateHostResolverID()) {
}
PPB_HostResolver_Shared::~PPB_HostResolver_Shared() {
}
thunk::PPB_HostResolver_Private_API*
PPB_HostResolver_Shared::AsPPB_HostResolver_Private_API() {
return this;
}
int32_t PPB_HostResolver_Shared::Resolve(
const char* host,
uint16_t port,
const PP_HostResolver_Private_Hint* hint,
scoped_refptr<TrackedCallback> callback) {
if (!host)
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 PPB_HostResolver_Shared::GetCanonicalName() {
return StringVar::StringToPPVar(canonical_name_);
}
uint32_t PPB_HostResolver_Shared::GetSize() {
if (ResolveInProgress())
return 0;
return static_cast<uint32_t>(net_address_list_.size());
}
bool PPB_HostResolver_Shared::GetNetAddress(uint32 index,
PP_NetAddress_Private* address) {
if (ResolveInProgress() || index >= GetSize())
return false;
*address = net_address_list_[index];
return true;
}
void PPB_HostResolver_Shared::OnResolveCompleted(
bool succeeded,
const std::string& canonical_name,
const std::vector<PP_NetAddress_Private>& net_address_list) {
if (succeeded) {
canonical_name_ = canonical_name;
net_address_list_ = net_address_list;
} else {
canonical_name_.clear();
net_address_list_.clear();
}
resolve_callback_->Run(succeeded ? PP_OK : PP_ERROR_FAILED);
}
uint32 PPB_HostResolver_Shared::GenerateHostResolverID() {
static uint32 host_resolver_id = 0;
return host_resolver_id++;
}
bool PPB_HostResolver_Shared::ResolveInProgress() const {
return TrackedCallback::IsPending(resolve_callback_);
}
} // namespace ppapi
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