void DviProtocolUpnpServiceXmlWriter::GetRelatedVariableName(Bwh& aName, const Brx& aActionName, const Brx& aParameterName)
{
static const Brn prefix("A_ARG_TYPE_");
const TUint len = prefix.Bytes() + aActionName.Bytes() + 1 + aParameterName.Bytes();
aName.Grow(len);
aName.Append(prefix);
aName.Append(aActionName);
aName.Append('_');
aName.Append(aParameterName);
}
static void RandomiseUdn(Bwh& aUdn)
{
aUdn.Grow(aUdn.Bytes() + 1 + Ascii::kMaxUintStringBytes + 1);
aUdn.Append('-');
Bws<Ascii::kMaxUintStringBytes> buf;
NetworkInterface* nif = Stack::NetworkInterfaceList().CurrentInterface();
TUint max = nif->Address();
delete nif;
(void)Ascii::AppendDec(buf, Random(max));
aUdn.Append(buf);
aUdn.PtrZ();
}
void OpenHome::TestFramework::RandomiseUdn(Environment& aEnv, Bwh& aUdn)
{
aUdn.Grow(aUdn.Bytes() + 1 + Ascii::kMaxUintStringBytes + 1);
aUdn.Append('-');
Bws<Ascii::kMaxUintStringBytes> buf;
std::vector<NetworkAdapter*>* subnetList = aEnv.NetworkAdapterList().CreateSubnetList();
TUint max = (subnetList->size() > 0? (*subnetList)[0]->Address() : UINT_MAX);
aEnv.NetworkAdapterList().DestroySubnetList(subnetList);
(void)Ascii::AppendDec(buf, aEnv.Random(max));
aUdn.Append(buf);
aUdn.PtrZ();
}
static void RandomiseUdn(Bwh& aUdn)
{
aUdn.Grow(aUdn.Bytes() + 1 + Ascii::kMaxUintStringBytes + 1);
aUdn.Append('-');
Bws<Ascii::kMaxUintStringBytes> buf;
std::vector<NetworkAdapter*>* subnetList = Stack::NetworkAdapterList().CreateSubnetList();
TUint max = (*subnetList)[0]->Address();
TUint seed = DviStack::ServerUpnp().Port((*subnetList)[0]->Address());
SetRandomSeed(seed);
Stack::NetworkAdapterList().DestroySubnetList(subnetList);
(void)Ascii::AppendDec(buf, Random(max));
aUdn.Append(buf);
aUdn.PtrZ();
}
static void RandomiseUdn(Bwh& aUdn)
{
aUdn.Grow(aUdn.Bytes() + 1 + Ascii::kMaxUintStringBytes + 1);
aUdn.Append('-');
Bws<Ascii::kMaxUintStringBytes> buf;
NetworkAdapter* nif = Stack::NetworkAdapterList().CurrentAdapter(kAdapterCookie);
TUint max = nif->Address();
TUint seed = DviStack::ServerUpnp().Port(nif->Address());
SetRandomSeed(seed);
nif->RemoveRef(kAdapterCookie);
(void)Ascii::AppendDec(buf, Random(max));
aUdn.Append(buf);
aUdn.PtrZ();
}
void DviDevice::GetUriBase(Bwh& aUriBase, TIpAddress aInterface, TUint aPort, IDvProtocol& aProtocol)
{
static const TUint kMaxAddressBytes = 21; // xxx.xxx.xxx.xxx:xxxxx
const Brx& name = aProtocol.ProtocolName();
aUriBase.Grow(Http::kUriPrefix.Bytes() + kMaxAddressBytes + iUdn.Bytes() + name.Bytes() + 3); // +2 for slashes after port, udn & name
aUriBase.Append(Http::kUriPrefix);
Endpoint endpt(aPort, aInterface);
Endpoint::EndpointBuf buf;
endpt.AppendEndpoint(buf);
aUriBase.Append(buf);
aUriBase.Append('/');
aUriBase.Append(iUdn);
aUriBase.Append('/');
aUriBase.Append(name);
aUriBase.Append('/');
}
static void RandomiseUdn(std::string& aUdn)
{
Bwh udn;
udn.Grow((TUint)aUdn.length() + 1 + Ascii::kMaxUintStringBytes + 1);
Brn buf((const TByte*)aUdn.c_str(), (TUint)aUdn.length());
udn.Append(buf);
udn.Append('-');
Bws<Ascii::kMaxUintStringBytes> addr;
std::vector<NetworkAdapter*>* subnetList = gEnv->NetworkAdapterList().CreateSubnetList();
TUint max = (*subnetList)[0]->Address();
TUint seed = gDvStack->ServerUpnp().Port((*subnetList)[0]->Address());
SetRandomSeed(seed);
gEnv->NetworkAdapterList().DestroySubnetList(subnetList);
(void)Ascii::AppendDec(addr, Random(max));
udn.Append(addr);
udn.PtrZ();
aUdn.assign((const char*)udn.Ptr(), udn.Bytes());
}
void InvocationUpnp::ReadResponse()
{
OutputProcessorUpnp outputProcessor;
HttpHeaderContentLength headerContentLength;
HttpHeaderTransferEncoding headerTransferEncoding;
Bwh entity;
iReaderResponse.AddHeader(headerContentLength);
iReaderResponse.AddHeader(headerTransferEncoding);
iReaderResponse.Read(kResponseTimeoutMs);
const HttpStatus& status = iReaderResponse.Status();
if (status != HttpStatus::kOk) {
LOG2(kService, kError, "InvocationUpnp::ReadResponse, http error %u ", status.Code());
LOG2(kService, kError, status.Reason());
LOG2(kService, kError, "\n");
if (status != HttpStatus::kInternalServerError) {
iInvocation.SetError(Error::eHttp, status.Code(), status.Reason());
THROW(HttpError);
}
}
if (headerTransferEncoding.IsChunked()) {
ReaderHttpChunked dechunker(iReadBuffer);
dechunker.Read();
dechunker.TransferTo(entity);
}
else {
TUint length = headerContentLength.ContentLength();
if (length != 0) {
Bwh buf(length);
while (length > 0) {
TUint readBytes = (length<kMaxReadBytes? length : kMaxReadBytes);
buf.Append(iReadBuffer.Read(readBytes));
length -= readBytes;
}
buf.TransferTo(entity);
}
else { // no content length - read until connection closed by server
try {
for (;;) {
Brn buf = iReadBuffer.Read(kMaxReadBytes);
entity.Grow(entity.Bytes() + kMaxReadBytes);
entity.Append(buf);
}
}
catch (ReaderError&) {
Brn snaffle = iReadBuffer.Snaffle();
entity.Grow(entity.Bytes() + snaffle.Bytes());
entity.Append(snaffle);
}
}
}
if (status == HttpStatus::kInternalServerError) {
Brn envelope = XmlParserBasic::Find("Envelope", entity);
Brn body = XmlParserBasic::Find("Body", envelope);
Brn fault = XmlParserBasic::Find("Fault", body);
Brn detail = XmlParserBasic::Find("detail", fault);
Brn code = XmlParserBasic::Find("errorCode", detail);
Brn description = XmlParserBasic::Find("errorDescription", detail);
iInvocation.SetError(Error::eUpnp, Ascii::Uint(code), description);
THROW(HttpError);
}
const Invocation::VectorArguments& outArgs = iInvocation.OutputArguments();
const TUint count = (TUint)outArgs.size();
Brn envelope = XmlParserBasic::Find("Envelope", entity);
Brn body = XmlParserBasic::Find("Body", envelope);
const Brn responseTagTrailer("Response");
const Brx& actionName = iInvocation.Action().Name();
TUint len = actionName.Bytes() + responseTagTrailer.Bytes();
Bwh responseTag(len);
responseTag.Append(actionName);
responseTag.Append(responseTagTrailer);
Brn response = XmlParserBasic::Find(responseTag, body);
for (TUint i=0; i<count; i++) {
const Brx& name = outArgs[i]->Parameter().Name();
Brn value = XmlParserBasic::Find(name, response);
outArgs[i]->ProcessOutput(outputProcessor, value);
}
}
void EventSessionUpnp::Run()
{
CpiSubscription* subscription = NULL;
iErrorStatus = &HttpStatus::kOk;
try {
iReaderRequest->Flush();
iReaderRequest->Read();
// check headers
if (iReaderRequest->MethodNotAllowed()) {
Error(HttpStatus::kBadRequest);
}
if (!iHeaderNt.Received() || !iHeaderNts.Received()) {
Error(HttpStatus::kBadRequest);
}
if (iHeaderNt.Value() != kExpectedNt || iHeaderNts.Value() != kExpectedNts ||
!iHeaderSid.Received() || iHeaderSid.Sid().Bytes() == 0 || !iHeaderSeq.Received()) {
Error(HttpStatus::kPreconditionFailed);
}
subscription = CpiSubscriptionManager::FindSubscription(iHeaderSid.Sid());
if (subscription == NULL) {
/* the UPnP spec contains a potential race condition where the first NOTIFY
message can be processed ahead of the SUBSCRIBE reply which provides
the sid. Wait until any in-progress subscriptions complete and try
again in case that's what has happened here */
CpiSubscriptionManager::WaitForPendingAdds();
subscription = CpiSubscriptionManager::FindSubscription(iHeaderSid.Sid());
if (subscription == NULL) {
LOG2(kEvent, kError, "notification for unexpected device - ")
LOG2(kEvent, kError, iHeaderSid.Sid());
LOG2(kEvent, kError, "\n");
Error(HttpStatus::kPreconditionFailed);
}
}
if (!subscription->UpdateSequenceNumber(iHeaderSeq.Seq())) {
subscription->SetNotificationError();
subscription->RemoveRef();
subscription = NULL;
}
}
catch(HttpError) {}
catch(ReaderError) {}
try {
// write response
Sws<128> writerBuffer(*this);
WriterHttpResponse response(writerBuffer);
response.WriteStatus(*iErrorStatus, Http::eHttp11);
response.WriteFlush();
// read entity
if (subscription != NULL) {
Bwh entity;
if (iHeaderTransferEncoding.IsChunked()) {
ReaderHttpChunked dechunker(*iReadBuffer);
dechunker.Read();
dechunker.TransferTo(entity);
}
else {
TUint length = iHeaderContentLength.ContentLength();
if (length == 0) {
THROW(HttpError);
}
entity.Grow(length);
while (length > 0) {
TUint readBytes = (length<kMaxReadBytes? length : kMaxReadBytes);
entity.Append(iReadBuffer->Read(readBytes));
length -= readBytes;
}
}
// process entity
LOG(kEvent, "EventSessionUpnp::Run, sid - ");
LOG(kEvent, iHeaderSid.Sid());
LOG(kEvent, " seq - %u\n", iHeaderSeq.Seq());
ProcessNotification(*subscription, entity);
}
}
catch(HttpError) {
LogError(subscription, "HttpError");
}
catch(ReaderError) {
LogError(subscription, "ReaderError");
}
catch(WriterError) {
LogError(subscription, "WriterError");
}
catch(NetworkError) {
LogError(subscription, "NetworkError");
}
catch(XmlError) {
LogError(subscription, "XmlError");
}
if (subscription != NULL) {
subscription->RemoveRef();
}
}