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/* 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 "TestCommon.h"
#include "TestHarness.h"
#include "nsISocketTransportService.h"
#include "nsISocketTransport.h"
#include "nsIServerSocket.h"
#include "nsIAsyncInputStream.h"
#include "nsINetAddr.h"
#include "mozilla/net/DNS.h"
#include "prerror.h"
using namespace mozilla::net;
using namespace mozilla;
class ServerListener: public nsIServerSocketListener
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSISERVERSOCKETLISTENER
ServerListener();
// Port that is got from server side will be store here.
uint32_t mClientPort;
bool mFailed;
private:
virtual ~ServerListener();
};
NS_IMPL_ISUPPORTS(ServerListener, nsIServerSocketListener)
ServerListener::ServerListener()
: mClientPort(-1)
, mFailed(false)
{
}
ServerListener::~ServerListener() = default;
NS_IMETHODIMP
ServerListener::OnSocketAccepted(nsIServerSocket *aServ,
nsISocketTransport *aTransport)
{
// Run on STS thread.
NetAddr peerAddr;
nsresult rv = aTransport->GetPeerAddr(&peerAddr);
if (NS_FAILED(rv)) {
mFailed = true;
fail("Server: not able to get peer address.");
QuitPumpingEvents();
return NS_OK;
}
mClientPort = PR_ntohs(peerAddr.inet.port);
passed("Server: received connection");
QuitPumpingEvents();
return NS_OK;
}
NS_IMETHODIMP
ServerListener::OnStopListening(nsIServerSocket *aServ,
nsresult aStatus)
{
return NS_OK;
}
class ClientInputCallback : public nsIInputStreamCallback
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIINPUTSTREAMCALLBACK
ClientInputCallback();
bool mFailed;
private:
virtual ~ClientInputCallback();
};
NS_IMPL_ISUPPORTS(ClientInputCallback, nsIInputStreamCallback)
ClientInputCallback::ClientInputCallback()
: mFailed(false)
{
}
ClientInputCallback::~ClientInputCallback() = default;
NS_IMETHODIMP
ClientInputCallback::OnInputStreamReady(nsIAsyncInputStream *aStream)
{
// Server doesn't send. That means if we are here, we probably have run into
// an error.
uint64_t avail;
nsresult rv = aStream->Available(&avail);
if (NS_FAILED(rv)) {
mFailed = true;
}
QuitPumpingEvents();
return NS_OK;
}
int
main(int32_t argc, char *argv[])
{
ScopedXPCOM xpcom("SocketTransport");
if (xpcom.failed()) {
fail("Unable to initalize XPCOM.");
return -1;
}
//
// Server side.
//
nsCOMPtr<nsIServerSocket> server = do_CreateInstance("@mozilla.org/network/server-socket;1");
if (!server) {
fail("Failed to create server socket.");
return -1;
}
nsresult rv = server->Init(-1, true, -1);
if (NS_FAILED(rv)) {
fail("Failed to initialize server.");
return -1;
}
int32_t serverPort;
rv = server->GetPort(&serverPort);
if (NS_FAILED(rv)) {
fail("Unable to get server port.");
return -1;
}
// Listening.
RefPtr<ServerListener> serverListener = new ServerListener();
rv = server->AsyncListen(serverListener);
if (NS_FAILED(rv)) {
fail("Server fail to start listening.");
return -1;
}
//
// Client side
//
uint32_t bindingPort = 20000;
nsCOMPtr<nsISocketTransportService> sts =
do_GetService("@mozilla.org/network/socket-transport-service;1", &rv);
if (NS_FAILED(rv)) {
fail("Unable to get socket transport service.");
return -1;
}
for (int32_t tried = 0; tried < 100; tried++) {
nsCOMPtr<nsISocketTransport> client;
rv = sts->CreateTransport(nullptr, 0, NS_LITERAL_CSTRING("127.0.0.1"),
serverPort, nullptr, getter_AddRefs(client));
if (NS_FAILED(rv)) {
fail("Unable to create transport.");
return -1;
}
// Bind to a port. It's possible that we are binding to a port that is
// currently in use. If we failed to bind, we try next port.
NetAddr bindingAddr;
bindingAddr.inet.family = AF_INET;
bindingAddr.inet.ip = 0;
bindingAddr.inet.port = PR_htons(bindingPort);
rv = client->Bind(&bindingAddr);
if (NS_FAILED(rv)) {
fail("Unable to bind a port.");
return -1;
}
// Open IO streams, to make client SocketTransport connect to server.
RefPtr<ClientInputCallback> clientCallback = new ClientInputCallback();
nsCOMPtr<nsIInputStream> inputStream;
rv = client->OpenInputStream(nsITransport::OPEN_UNBUFFERED,
0, 0, getter_AddRefs(inputStream));
if (NS_FAILED(rv)) {
fail("Failed to open an input stream.");
return -1;
}
nsCOMPtr<nsIAsyncInputStream> asyncInputStream = do_QueryInterface(inputStream);
rv = asyncInputStream->AsyncWait(clientCallback, 0, 0, nullptr);
// Wait for server's response or callback of input stream.
PumpEvents();
if (clientCallback->mFailed) {
// if client received error, we likely have bound a port that is in use.
// we can try another port.
bindingPort++;
} else {
// We are unlocked by server side, leave the loop and check result.
break;
}
}
if (serverListener->mFailed) {
fail("Server failure.");
return -1;
}
if (serverListener->mClientPort != bindingPort) {
fail("Port that server got doesn't match what we are expecting.");
return -1;
}
passed("Port matched");
return 0;
}
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