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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set et sw=2 ts=4: */
/* 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 "nsIObserverService.h"
#include "nsNetworkLinkService.h"
#include "nsString.h"
#include "mozilla/Logging.h"
#include "nsNetAddr.h"
#include "mozilla/StaticPrefs_network.h"
#include "mozilla/Services.h"
using namespace mozilla;
static LazyLogModule gNotifyAddrLog("nsNetworkLinkService");
#define LOG(args) MOZ_LOG(gNotifyAddrLog, mozilla::LogLevel::Debug, args)
NS_IMPL_ISUPPORTS(nsNetworkLinkService, nsINetworkLinkService, nsIObserver)
nsNetworkLinkService::nsNetworkLinkService() : mStatusIsKnown(false) {}
NS_IMETHODIMP
nsNetworkLinkService::GetIsLinkUp(bool* aIsUp) {
if (!mNetlinkSvc) {
return NS_ERROR_NOT_AVAILABLE;
}
mNetlinkSvc->GetIsLinkUp(aIsUp);
return NS_OK;
}
NS_IMETHODIMP
nsNetworkLinkService::GetLinkStatusKnown(bool* aIsKnown) {
*aIsKnown = mStatusIsKnown;
return NS_OK;
}
NS_IMETHODIMP
nsNetworkLinkService::GetLinkType(uint32_t* aLinkType) {
NS_ENSURE_ARG_POINTER(aLinkType);
// XXX This function has not yet been implemented for this platform
*aLinkType = nsINetworkLinkService::LINK_TYPE_UNKNOWN;
return NS_OK;
}
NS_IMETHODIMP
nsNetworkLinkService::GetNetworkID(nsACString& aNetworkID) {
if (!mNetlinkSvc) {
return NS_ERROR_NOT_AVAILABLE;
}
mNetlinkSvc->GetNetworkID(aNetworkID);
return NS_OK;
}
NS_IMETHODIMP
nsNetworkLinkService::GetDnsSuffixList(nsTArray<nsCString>& aDnsSuffixList) {
if (!mNetlinkSvc) {
return NS_ERROR_NOT_AVAILABLE;
}
return mNetlinkSvc->GetDnsSuffixList(aDnsSuffixList);
}
NS_IMETHODIMP
nsNetworkLinkService::GetResolvers(nsTArray<RefPtr<nsINetAddr>>& aResolvers) {
nsTArray<mozilla::net::NetAddr> addresses;
nsresult rv = GetNativeResolvers(addresses);
if (NS_FAILED(rv)) {
return rv;
}
for (const auto& addr : addresses) {
aResolvers.AppendElement(MakeRefPtr<nsNetAddr>(&addr));
}
return NS_OK;
}
NS_IMETHODIMP
nsNetworkLinkService::GetNativeResolvers(
nsTArray<mozilla::net::NetAddr>& aResolvers) {
if (!mNetlinkSvc) {
return NS_ERROR_NOT_AVAILABLE;
}
return mNetlinkSvc->GetResolvers(aResolvers);
}
NS_IMETHODIMP
nsNetworkLinkService::GetPlatformDNSIndications(
uint32_t* aPlatformDNSIndications) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsNetworkLinkService::Observe(nsISupports* subject, const char* topic,
const char16_t* data) {
if (!strcmp("xpcom-shutdown-threads", topic)) {
Shutdown();
}
return NS_OK;
}
nsresult nsNetworkLinkService::Init() {
nsCOMPtr<nsIObserverService> observerService =
mozilla::services::GetObserverService();
if (!observerService) {
return NS_ERROR_FAILURE;
}
nsresult rv;
rv = observerService->AddObserver(this, "xpcom-shutdown-threads", false);
NS_ENSURE_SUCCESS(rv, rv);
mNetlinkSvc = new mozilla::net::NetlinkService();
rv = mNetlinkSvc->Init(this);
if (NS_FAILED(rv)) {
mNetlinkSvc = nullptr;
LOG(("Cannot initialize NetlinkService [rv=0x%08" PRIx32 "]",
static_cast<uint32_t>(rv)));
return rv;
}
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult nsNetworkLinkService::Shutdown() {
// remove xpcom shutdown observer
nsCOMPtr<nsIObserverService> observerService =
mozilla::services::GetObserverService();
if (observerService) {
observerService->RemoveObserver(this, "xpcom-shutdown-threads");
}
if (mNetlinkSvc) {
mNetlinkSvc->Shutdown();
mNetlinkSvc = nullptr;
}
return NS_OK;
}
void nsNetworkLinkService::OnNetworkChanged() {
if (StaticPrefs::network_notify_changed()) {
RefPtr<nsNetworkLinkService> self = this;
NS_DispatchToMainThread(NS_NewRunnableFunction(
"nsNetworkLinkService::OnNetworkChanged", [self]() {
self->NotifyObservers(NS_NETWORK_LINK_TOPIC,
NS_NETWORK_LINK_DATA_CHANGED);
}));
}
}
void nsNetworkLinkService::OnNetworkIDChanged() {
RefPtr<nsNetworkLinkService> self = this;
NS_DispatchToMainThread(NS_NewRunnableFunction(
"nsNetworkLinkService::OnNetworkIDChanged", [self]() {
self->NotifyObservers(NS_NETWORK_ID_CHANGED_TOPIC, nullptr);
}));
}
void nsNetworkLinkService::OnLinkUp() {
RefPtr<nsNetworkLinkService> self = this;
NS_DispatchToMainThread(
NS_NewRunnableFunction("nsNetworkLinkService::OnLinkUp", [self]() {
self->NotifyObservers(NS_NETWORK_LINK_TOPIC, NS_NETWORK_LINK_DATA_UP);
}));
}
void nsNetworkLinkService::OnLinkDown() {
RefPtr<nsNetworkLinkService> self = this;
NS_DispatchToMainThread(
NS_NewRunnableFunction("nsNetworkLinkService::OnLinkDown", [self]() {
self->NotifyObservers(NS_NETWORK_LINK_TOPIC, NS_NETWORK_LINK_DATA_DOWN);
}));
}
void nsNetworkLinkService::OnLinkStatusKnown() { mStatusIsKnown = true; }
void nsNetworkLinkService::OnDnsSuffixListUpdated() {
RefPtr<nsNetworkLinkService> self = this;
NS_DispatchToMainThread(NS_NewRunnableFunction(
"nsNetworkLinkService::OnDnsSuffixListUpdated", [self]() {
self->NotifyObservers(NS_DNS_SUFFIX_LIST_UPDATED_TOPIC, nullptr);
}));
}
/* Sends the given event. Assumes aTopic/aData never goes out of scope (static
* strings are ideal).
*/
void nsNetworkLinkService::NotifyObservers(const char* aTopic,
const char* aData) {
MOZ_ASSERT(NS_IsMainThread());
LOG(("nsNetworkLinkService::NotifyObservers: topic:%s data:%s\n", aTopic,
aData ? aData : ""));
nsCOMPtr<nsIObserverService> observerService =
mozilla::services::GetObserverService();
if (observerService) {
observerService->NotifyObservers(
static_cast<nsINetworkLinkService*>(this), aTopic,
aData ? NS_ConvertASCIItoUTF16(aData).get() : nullptr);
}
}
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