// virtual
LLIOPipe::EStatus LLFilterSD2XMLRPCResponse::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
LLFastTimer t(FTM_PROCESS_SD2XMLRPC_RESPONSE);
PUMP_DEBUG;
// This pipe does not work if it does not have everyting. This
// could be addressed by making a stream parser for llsd which
// handled partial information.
if(!eos)
{
return STATUS_BREAK;
}
PUMP_DEBUG;
// we have everyting in the buffer, so turn the structure data rpc
// response into an xml rpc response.
LLBufferStream stream(channels, buffer.get());
stream << XML_HEADER << XMLRPC_METHOD_RESPONSE_HEADER << std::flush; // Flush, or buffer->count() returns too much!
LLSD sd;
LLSDSerialize::fromNotation(sd, stream, buffer->count(channels.in()));
PUMP_DEBUG;
LLIOPipe::EStatus rv = STATUS_ERROR;
if(sd.has("response"))
{
PUMP_DEBUG;
// it is a normal response. pack it up and ship it out.
stream.precision(DEFAULT_PRECISION);
stream << XMLRPC_RESPONSE_HEADER;
streamOut(stream, sd["response"]);
stream << XMLRPC_RESPONSE_FOOTER << XMLRPC_METHOD_RESPONSE_FOOTER;
rv = STATUS_DONE;
}
else if(sd.has("fault"))
{
PUMP_DEBUG;
// it is a fault.
stream << XMLRPC_FAULT_1 << sd["fault"]["code"].asInteger()
<< XMLRPC_FAULT_2
<< xml_escape_string(sd["fault"]["description"].asString())
<< XMLRPC_FAULT_3 << XMLRPC_METHOD_RESPONSE_FOOTER;
rv = STATUS_DONE;
}
else
{
llwarns << "Unable to determine the type of LLSD response." << llendl;
}
PUMP_DEBUG;
return rv;
}
void XMLRPCResponder::completedRaw(U32 status, std::string const& reason, LLChannelDescriptors const& channels, buffer_ptr_t const& buffer)
{
if (mCode == CURLE_OK && !is_internal_http_error(status))
{
mBufferSize = buffer->count(channels.in());
if (200 <= status && status < 400)
{
char* ptr = NULL;
char* buf = NULL;
LLMutexLock lock(buffer->getMutex());
LLBufferArray::const_segment_iterator_t const end = buffer->endSegment();
for (LLBufferArray::const_segment_iterator_t iter = buffer->beginSegment(); iter != end; ++iter)
{
LLSegment const& segment = *iter;
if (segment.isOnChannel(channels.in()))
{
S32 const segment_size = segment.size();
if (!buf)
{
if (segment_size == mBufferSize)
{
// It's contiguous, no need for copying.
mResponse = XMLRPC_REQUEST_FromXML((char const*)segment.data(), mBufferSize, NULL);
break;
}
ptr = buf = new char [mBufferSize];
}
llassert(ptr + segment_size <= buf + mBufferSize);
memcpy(ptr, segment.data(), segment_size);
ptr += segment_size;
}
}
if (buf)
{
mResponse = XMLRPC_REQUEST_FromXML(buf, mBufferSize, NULL);
delete [] buf;
}
}
}
}
// virtual
LLIOPipe::EStatus LLSDRPCServer::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
LLFastTimer t(FTM_PROCESS_SDRPC_SERVER);
PUMP_DEBUG;
LLMemType m1(LLMemType::MTYPE_IO_SD_SERVER);
// lldebugs << "LLSDRPCServer::process_impl" << llendl;
// Once we have all the data, We need to read the sd on
// the the in channel, and respond on the out channel
if(!eos) return STATUS_BREAK;
if(!pump || !buffer) return STATUS_PRECONDITION_NOT_MET;
std::string method_name;
LLIOPipe::EStatus status = STATUS_DONE;
switch(mState)
{
case STATE_DEFERRED:
PUMP_DEBUG;
if(ESDRPCS_DONE != deferredResponse(channels, buffer.get()))
{
buildFault(
channels,
buffer.get(),
FAULT_GENERIC,
"deferred response failed.");
}
mState = STATE_DONE;
return STATUS_DONE;
case STATE_DONE:
// lldebugs << "STATE_DONE" << llendl;
break;
case STATE_CALLBACK:
// lldebugs << "STATE_CALLBACK" << llendl;
PUMP_DEBUG;
method_name = mRequest[LLSDRPC_METHOD_SD_NAME].asString();
if(!method_name.empty() && mRequest.has(LLSDRPC_PARAMETER_SD_NAME))
{
if(ESDRPCS_DONE != callbackMethod(
method_name,
mRequest[LLSDRPC_PARAMETER_SD_NAME],
channels,
buffer.get()))
{
buildFault(
channels,
buffer.get(),
FAULT_GENERIC,
"Callback method call failed.");
}
}
else
{
// this should never happen, since we should not be in
// this state unless we originally found a method and
// params during the first call to process.
buildFault(
channels,
buffer.get(),
FAULT_GENERIC,
"Invalid LLSDRPC sever state - callback without method.");
}
pump->clearLock(mLock);
mLock = 0;
mState = STATE_DONE;
break;
case STATE_NONE:
// lldebugs << "STATE_NONE" << llendl;
default:
{
// First time we got here - process the SD request, and call
// the method.
PUMP_DEBUG;
LLBufferStream istr(channels, buffer.get());
mRequest.clear();
LLSDSerialize::fromNotation(
mRequest,
istr,
buffer->count(channels.in()));
// { 'method':'...', 'parameter': ... }
method_name = mRequest[LLSDRPC_METHOD_SD_NAME].asString();
if(!method_name.empty() && mRequest.has(LLSDRPC_PARAMETER_SD_NAME))
{
ESDRPCSStatus rv = callMethod(
method_name,
mRequest[LLSDRPC_PARAMETER_SD_NAME],
channels,
buffer.get());
switch(rv)
{
case ESDRPCS_DEFERRED:
mPump = pump;
mLock = pump->setLock();
mState = STATE_DEFERRED;
status = STATUS_BREAK;
break;
case ESDRPCS_CALLBACK:
{
mState = STATE_CALLBACK;
LLPumpIO::LLLinkInfo link;
link.mPipe = LLIOPipe::ptr_t(this);
link.mChannels = channels;
LLPumpIO::links_t links;
links.push_back(link);
pump->respond(links, buffer, context);
mLock = pump->setLock();
status = STATUS_BREAK;
break;
}
case ESDRPCS_DONE:
mState = STATE_DONE;
break;
case ESDRPCS_ERROR:
default:
buildFault(
channels,
buffer.get(),
FAULT_GENERIC,
"Method call failed.");
break;
}
}
else
{
// send a fault
buildFault(
channels,
buffer.get(),
FAULT_GENERIC,
"Unable to find method and parameter in request.");
}
break;
}
}
PUMP_DEBUG;
return status;
}
// virtual
LLIOPipe::EStatus LLFilterSD2XMLRPCRequest::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
LLFastTimer t(FTM_PROCESS_SD2XMLRPC_REQUEST);
// This pipe does not work if it does not have everyting. This
// could be addressed by making a stream parser for llsd which
// handled partial information.
PUMP_DEBUG;
if(!eos)
{
llinfos << "!eos" << llendl;
return STATUS_BREAK;
}
// See if we can parse it
LLBufferStream stream(channels, buffer.get());
LLSD sd;
LLSDSerialize::fromNotation(sd, stream, buffer->count(channels.in()));
if(stream.fail())
{
llinfos << "STREAM FAILURE reading structure data." << llendl;
}
PUMP_DEBUG;
// We can get the method and parameters from either the member
// function or passed in via the buffer. We prefer the buffer if
// we found a parameter and a method, or fall back to using
// mMethod and putting everyting in the buffer into the parameter.
std::string method;
LLSD param_sd;
if(sd.has("method") && sd.has("parameter"))
{
method = sd["method"].asString();
param_sd = sd["parameter"];
}
else
{
method = mMethod;
param_sd = sd;
}
if(method.empty())
{
llwarns << "SD -> XML Request no method found." << llendl;
return STATUS_ERROR;
}
PUMP_DEBUG;
// We have a method, and some kind of parameter, so package it up
// and send it out.
LLBufferStream ostream(channels, buffer.get());
ostream.precision(DEFAULT_PRECISION);
if(ostream.fail())
{
llinfos << "STREAM FAILURE setting precision" << llendl;
}
ostream << XML_HEADER << XMLRPC_REQUEST_HEADER_1
<< xml_escape_string(method) << XMLRPC_REQUEST_HEADER_2;
if(ostream.fail())
{
llinfos << "STREAM FAILURE writing method headers" << llendl;
}
switch(param_sd.type())
{
case LLSD::TypeMap:
// If the params are a map, then we do not want to iterate
// through them since the iterators returned will be map
// ordered un-named values, which will lose the names, and
// only stream the values, turning it into an array.
ostream << "<param>";
streamOut(ostream, param_sd);
ostream << "</param>";
break;
case LLSD::TypeArray:
{
LLSD::array_iterator it = param_sd.beginArray();
LLSD::array_iterator end = param_sd.endArray();
for(; it != end; ++it)
{
ostream << "<param>";
streamOut(ostream, *it);
ostream << "</param>";
}
break;
}
default:
ostream << "<param>";
streamOut(ostream, param_sd);
ostream << "</param>";
break;
}
stream << XMLRPC_REQUEST_FOOTER << std::flush;
return STATUS_DONE;
}
// virtual
LLIOPipe::EStatus LLSDRPCClient::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
PUMP_DEBUG;
LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
if((STATE_NONE == mState) || (!pump))
{
// You should have called the call() method already.
return STATUS_PRECONDITION_NOT_MET;
}
EStatus rv = STATUS_DONE;
switch(mState)
{
case STATE_READY:
{
PUMP_DEBUG;
// lldebugs << "LLSDRPCClient::process_impl STATE_READY" << llendl;
buffer->append(
channels.out(),
(U8*)mRequest.c_str(),
mRequest.length());
context[CONTEXT_DEST_URI_SD_LABEL] = mURI;
mState = STATE_WAITING_FOR_RESPONSE;
break;
}
case STATE_WAITING_FOR_RESPONSE:
{
PUMP_DEBUG;
// The input channel has the sd response in it.
//lldebugs << "LLSDRPCClient::process_impl STATE_WAITING_FOR_RESPONSE"
// << llendl;
LLBufferStream resp(channels, buffer.get());
LLSD sd;
LLSDSerialize::fromNotation(sd, resp, buffer->count(channels.in()));
LLSDRPCResponse* response = (LLSDRPCResponse*)mResponse.get();
if (!response)
{
mState = STATE_DONE;
break;
}
response->extractResponse(sd);
if(EPBQ_PROCESS == mQueue)
{
LLPumpIO::chain_t chain;
chain.push_back(mResponse);
pump->addChain(chain, DEFAULT_CHAIN_EXPIRY_SECS);
}
else
{
pump->respond(mResponse.get());
}
mState = STATE_DONE;
break;
}
case STATE_DONE:
default:
PUMP_DEBUG;
llinfos << "invalid state to process" << llendl;
rv = STATUS_ERROR;
break;
}
return rv;
}
