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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "NativeDNSResolverOverrideParent.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/net/SocketProcessParent.h"
#include "nsIOService.h"
namespace mozilla {
namespace net {
NS_IMPL_ISUPPORTS(NativeDNSResolverOverrideParent, nsINativeDNSResolverOverride)
static StaticRefPtr<NativeDNSResolverOverrideParent>
gNativeDNSResolverOverrideParent;
// static
already_AddRefed<nsINativeDNSResolverOverride>
NativeDNSResolverOverrideParent::GetSingleton() {
if (gNativeDNSResolverOverrideParent) {
return do_AddRef(gNativeDNSResolverOverrideParent);
}
if (!gIOService) {
return nullptr;
}
gNativeDNSResolverOverrideParent = new NativeDNSResolverOverrideParent();
ClearOnShutdown(&gNativeDNSResolverOverrideParent);
auto initTask = []() {
Unused << SocketProcessParent::GetSingleton()
->SendPNativeDNSResolverOverrideConstructor(
gNativeDNSResolverOverrideParent);
};
gIOService->CallOrWaitForSocketProcess(initTask);
return do_AddRef(gNativeDNSResolverOverrideParent);
}
NS_IMETHODIMP NativeDNSResolverOverrideParent::AddIPOverride(
const nsACString& aHost, const nsACString& aIPLiteral) {
PRNetAddr tempAddr;
// Unfortunately, PR_StringToNetAddr does not properly initialize
// the output buffer in the case of IPv6 input. See bug 223145.
memset(&tempAddr, 0, sizeof(PRNetAddr));
if (PR_StringToNetAddr(nsCString(aIPLiteral).get(), &tempAddr) !=
PR_SUCCESS) {
return NS_ERROR_UNEXPECTED;
}
RefPtr<NativeDNSResolverOverrideParent> self = this;
nsCString host(aHost);
nsCString ip(aIPLiteral);
auto task = [self{std::move(self)}, host, ip]() {
Unused << self->SendAddIPOverride(host, ip);
};
gIOService->CallOrWaitForSocketProcess(task);
return NS_OK;
}
NS_IMETHODIMP NativeDNSResolverOverrideParent::SetCnameOverride(
const nsACString& aHost, const nsACString& aCNAME) {
if (aCNAME.IsEmpty()) {
return NS_ERROR_UNEXPECTED;
}
RefPtr<NativeDNSResolverOverrideParent> self = this;
nsCString host(aHost);
nsCString cname(aCNAME);
auto task = [self{std::move(self)}, host, cname]() {
Unused << self->SendSetCnameOverride(host, cname);
};
gIOService->CallOrWaitForSocketProcess(task);
return NS_OK;
}
NS_IMETHODIMP NativeDNSResolverOverrideParent::ClearHostOverride(
const nsACString& aHost) {
RefPtr<NativeDNSResolverOverrideParent> self = this;
nsCString host(aHost);
auto task = [self{std::move(self)}, host]() {
Unused << self->SendClearHostOverride(host);
};
gIOService->CallOrWaitForSocketProcess(task);
return NS_OK;
}
NS_IMETHODIMP NativeDNSResolverOverrideParent::ClearOverrides() {
RefPtr<NativeDNSResolverOverrideParent> self = this;
auto task = [self{std::move(self)}]() {
Unused << self->SendClearOverrides();
};
gIOService->CallOrWaitForSocketProcess(task);
return NS_OK;
}
} // namespace net
} // namespace mozilla
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