// virtual
LLIOPipe::EStatus LLSDRPCServer::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
LL_RECORD_BLOCK_TIME(FTM_PROCESS_SDRPC_SERVER);
PUMP_DEBUG;
// LL_DEBUGS() << "LLSDRPCServer::process_impl" << LL_ENDL;
// 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:
// LL_DEBUGS() << "STATE_DONE" << LL_ENDL;
break;
case STATE_CALLBACK:
// LL_DEBUGS() << "STATE_CALLBACK" << LL_ENDL;
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:
// LL_DEBUGS() << "STATE_NONE" << LL_ENDL;
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;
}
LLIOPipe::EStatus LLHTTPPipe::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
PUMP_DEBUG;
lldebugs << "LLSDHTTPServer::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;
PUMP_DEBUG;
if (mState == STATE_INVOKE)
{
PUMP_DEBUG;
mState = STATE_DELAYED;
// assume deferred unless mResponse does otherwise
mResponse = Response::create(this);
// *TODO: Babbage: Parameterize parser?
// *TODO: We should look at content-type and do the right
// thing. Phoenix 2007-12-31
LLBufferStream istr(channels, buffer.get());
static LLTimer timer;
timer.reset();
std::string verb = context[CONTEXT_REQUEST][CONTEXT_VERB];
if(verb == HTTP_VERB_GET)
{
LLPerfBlock getblock("http_get");
mNode.get(LLHTTPNode::ResponsePtr(mResponse), context);
}
else if(verb == HTTP_VERB_PUT)
{
LLPerfBlock putblock("http_put");
LLSD input;
LLSDSerialize::fromXML(input, istr);
mNode.put(LLHTTPNode::ResponsePtr(mResponse), context, input);
}
else if(verb == HTTP_VERB_POST)
{
LLPerfBlock postblock("http_post");
LLSD input;
LLSDSerialize::fromXML(input, istr);
mNode.post(LLHTTPNode::ResponsePtr(mResponse), context, input);
}
else if(verb == HTTP_VERB_DELETE)
{
LLPerfBlock delblock("http_delete");
mNode.del(LLHTTPNode::ResponsePtr(mResponse), context);
}
else if(verb == HTTP_VERB_OPTIONS)
{
mNode.options(LLHTTPNode::ResponsePtr(mResponse), context);
}
else
{
mResponse->methodNotAllowed();
}
F32 delta = timer.getElapsedTimeF32();
if (sTimingCallback)
{
LLHTTPNode::Description desc;
mNode.describe(desc);
LLSD info = desc.getInfo();
std::string timing_name = info["description"];
timing_name += " ";
timing_name += verb;
sTimingCallback(timing_name.c_str(), delta, sTimingCallbackData);
}
// Log all HTTP transactions.
// TODO: Add a way to log these to their own file instead of indra.log
// It is just too spammy to be in indra.log.
lldebugs << verb << " " << context[CONTEXT_REQUEST]["path"].asString()
<< " " << mStatusCode << " " << mStatusMessage << " " << delta
<< "s" << llendl;
// Log Internal Server Errors
//if(mStatusCode == 500)
//{
// llwarns << "LLHTTPPipe::process_impl:500:Internal Server Error"
// << llendl;
//}
}
PUMP_DEBUG;
switch (mState)
{
case STATE_DELAYED:
lockChain(pump);
mState = STATE_LOCKED;
return STATUS_BREAK;
case STATE_LOCKED:
// should never ever happen!
return STATUS_ERROR;
case STATE_GOOD_RESULT:
{
LLSD headers = mHeaders;
headers["Content-Type"] = "application/llsd+xml";
context[CONTEXT_RESPONSE][CONTEXT_HEADERS] = headers;
LLBufferStream ostr(channels, buffer.get());
LLSDSerialize::toXML(mGoodResult, ostr);
return STATUS_DONE;
}
case STATE_STATUS_RESULT:
{
LLSD headers = mHeaders;
headers["Content-Type"] = "text/plain";
context[CONTEXT_RESPONSE][CONTEXT_HEADERS] = headers;
context[CONTEXT_RESPONSE]["statusCode"] = mStatusCode;
context[CONTEXT_RESPONSE]["statusMessage"] = mStatusMessage;
LLBufferStream ostr(channels, buffer.get());
ostr << mStatusMessage << std::ends;
return STATUS_DONE;
}
default:
llwarns << "LLHTTPPipe::process_impl: unexpected state "
<< mState << llendl;
return STATUS_BREAK;
}
// PUMP_DEBUG; // unreachable
}
// virtual
LLIOPipe::EStatus LLHTTPResponder::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
PUMP_DEBUG;
LLMemType m1(LLMemType::MTYPE_IO_HTTP_SERVER);
LLIOPipe::EStatus status = STATUS_OK;
// parsing headers
if((STATE_NOTHING == mState) || (STATE_READING_HEADERS == mState))
{
PUMP_DEBUG;
status = STATUS_BREAK;
mState = STATE_READING_HEADERS;
const S32 HEADER_BUFFER_SIZE = 1024;
char buf[HEADER_BUFFER_SIZE + 1]; /*Flawfinder: ignore*/
S32 len = HEADER_BUFFER_SIZE;
#if 0
if(true)
{
LLBufferArray::segment_iterator_t seg_iter = buffer->beginSegment();
char buf[1024]; /*Flawfinder: ignore*/
while(seg_iter != buffer->endSegment())
{
memcpy(buf, (*seg_iter).data(), (*seg_iter).size()); /*Flawfinder: ignore*/
buf[(*seg_iter).size()] = '\0';
llinfos << (*seg_iter).getChannel() << ": " << buf
<< llendl;
++seg_iter;
}
}
#endif
PUMP_DEBUG;
if(readLine(channels, buffer, (U8*)buf, len))
{
bool read_next_line = false;
bool parse_all = true;
if(mVerb.empty())
{
read_next_line = true;
LLMemoryStream header((U8*)buf, len);
header >> mVerb;
if((HTTP_VERB_GET == mVerb)
|| (HTTP_VERB_POST == mVerb)
|| (HTTP_VERB_PUT == mVerb)
|| (HTTP_VERB_DELETE == mVerb)
|| (HTTP_VERB_OPTIONS == mVerb))
{
header >> mAbsPathAndQuery;
header >> mVersion;
lldebugs << "http request: "
<< mVerb
<< " " << mAbsPathAndQuery
<< " " << mVersion << llendl;
std::string::size_type delimiter
= mAbsPathAndQuery.find('?');
if (delimiter == std::string::npos)
{
mPath = mAbsPathAndQuery;
mQuery = "";
}
else
{
mPath = mAbsPathAndQuery.substr(0, delimiter);
mQuery = mAbsPathAndQuery.substr(delimiter+1);
}
if(!mAbsPathAndQuery.empty())
{
if(mVersion.empty())
{
// simple request.
parse_all = false;
mState = STATE_DONE;
mVersion.assign("HTTP/1.0");
}
}
}
// virtual
LLIOPipe::EStatus LLIOSocketWriter::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
PUMP_DEBUG;
LLMemType m1(LLMemType::MTYPE_IO_TCP);
if(!mDestination) return STATUS_PRECONDITION_NOT_MET;
if(!mInitialized)
{
PUMP_DEBUG;
// Since the write will not block, it's ok to initialize and
// attempt to write immediately.
mInitialized = true;
if(pump)
{
PUMP_DEBUG;
lldebugs << "Initializing poll descriptor for LLIOSocketWriter."
<< llendl;
apr_pollfd_t poll_fd;
poll_fd.p = NULL;
poll_fd.desc_type = APR_POLL_SOCKET;
poll_fd.reqevents = APR_POLLOUT;
poll_fd.rtnevents = 0x0;
poll_fd.desc.s = mDestination->getSocket();
poll_fd.client_data = NULL;
pump->setConditional(this, &poll_fd);
}
}
PUMP_DEBUG;
// *FIX: Some sort of writev implementation would be much more
// efficient - not only because writev() is better, but also
// because we won't have to do as much work to find the start
// address.
LLBufferArray::segment_iterator_t it;
LLBufferArray::segment_iterator_t end = buffer->endSegment();
LLSegment segment;
it = buffer->constructSegmentAfter(mLastWritten, segment);
/*
if(NULL == mLastWritten)
{
it = buffer->beginSegment();
segment = (*it);
}
else
{
it = buffer->getSegment(mLastWritten);
segment = (*it);
S32 size = segment.size();
U8* data = segment.data();
if((data + size) == mLastWritten)
{
++it;
segment = (*it);
}
else
{
// *FIX: check the math on this one
segment = LLSegment(
(*it).getChannelMask(),
mLastWritten + 1,
size - (mLastWritten - data));
}
}
*/
PUMP_DEBUG;
apr_size_t len;
bool done = false;
apr_status_t status = APR_SUCCESS;
while(it != end)
{
PUMP_DEBUG;
if((*it).isOnChannel(channels.in()))
{
PUMP_DEBUG;
len = (apr_size_t)segment.size();
status = apr_socket_send(
mDestination->getSocket(),
(const char*)segment.data(),
&len);
// We sometimes get a 'non-blocking socket operation could not be
// completed immediately' error from apr_socket_send. In this
// case we break and the data will be sent the next time the chain
// is pumped.
if(APR_STATUS_IS_EAGAIN(status))
{
ll_apr_warn_status(status);
break;
}
mLastWritten = segment.data() + len - 1;
PUMP_DEBUG;
if((S32)len < segment.size())
{
break;
}
}
++it;
if(it != end)
{
segment = (*it);
}
else
{
done = true;
}
}
PUMP_DEBUG;
if(done && eos)
{
return STATUS_DONE;
}
return STATUS_OK;
}
// virtual
LLIOPipe::EStatus LLURLRequest::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
PUMP_DEBUG;
LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
//llinfos << "LLURLRequest::process_impl()" << llendl;
if(!buffer) return STATUS_ERROR;
switch(mState)
{
case STATE_INITIALIZED:
{
PUMP_DEBUG;
// We only need to wait for input if we are uploading
// something.
if(((HTTP_PUT == mAction) || (HTTP_POST == mAction)) && !eos)
{
// we're waiting to get all of the information
return STATUS_BREAK;
}
// *FIX: bit of a hack, but it should work. The configure and
// callback method expect this information to be ready.
mDetail->mResponseBuffer = buffer.get();
mDetail->mChannels = channels;
if(!configure())
{
return STATUS_ERROR;
}
mState = STATE_WAITING_FOR_RESPONSE;
// *FIX: Maybe we should just go to the next state now...
return STATUS_BREAK;
}
case STATE_WAITING_FOR_RESPONSE:
case STATE_PROCESSING_RESPONSE:
{
PUMP_DEBUG;
LLIOPipe::EStatus status = STATUS_BREAK;
mDetail->mCurlRequest->perform();
while(1)
{
CURLcode result;
bool newmsg = mDetail->mCurlRequest->getResult(&result);
if(!newmsg)
{
// we're still waiting or prcessing, check how many
// bytes we have accumulated.
const S32 MIN_ACCUMULATION = 100000;
if(pump && (mDetail->mByteAccumulator > MIN_ACCUMULATION))
{
// This is a pretty sloppy calculation, but this
// tries to make the gross assumption that if data
// is coming in at 56kb/s, then this transfer will
// probably succeed. So, if we're accumlated
// 100,000 bytes (MIN_ACCUMULATION) then let's
// give this client another 2s to complete.
const F32 TIMEOUT_ADJUSTMENT = 2.0f;
mDetail->mByteAccumulator = 0;
pump->adjustTimeoutSeconds(TIMEOUT_ADJUSTMENT);
}
// keep processing
break;
}
mState = STATE_HAVE_RESPONSE;
switch(result)
{
case CURLE_OK:
case CURLE_WRITE_ERROR:
// NB: The error indication means that we stopped the
// writing due the body limit being reached
if(mCompletionCallback && pump)
{
LLURLRequestComplete* complete = NULL;
complete = (LLURLRequestComplete*)
mCompletionCallback.get();
complete->responseStatus(
result == CURLE_OK
? STATUS_OK : STATUS_STOP);
LLPumpIO::links_t chain;
LLPumpIO::LLLinkInfo link;
link.mPipe = mCompletionCallback;
link.mChannels = LLBufferArray::makeChannelConsumer(
channels);
chain.push_back(link);
pump->respond(chain, buffer, context);
mCompletionCallback = NULL;
}
break;
case CURLE_FAILED_INIT:
case CURLE_COULDNT_CONNECT:
status = STATUS_NO_CONNECTION;
break;
default:
llwarns << "URLRequest Error: " << result
<< ", "
<< LLCurl::strerror(result)
<< ", "
<< (mDetail->mURL.empty() ? "<EMPTY URL>" : mDetail->mURL)
<< llendl;
status = STATUS_ERROR;
break;
}
}
return status;
}
case STATE_HAVE_RESPONSE:
PUMP_DEBUG;
// we already stuffed everything into channel in in the curl
// callback, so we are done.
eos = true;
return STATUS_DONE;
default:
PUMP_DEBUG;
return STATUS_ERROR;
}
}
// virtual
LLIOPipe::EStatus LLIOSocketReader::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
PUMP_DEBUG;
LLMemType m1(LLMemType::MTYPE_IO_TCP);
if(!mSource) return STATUS_PRECONDITION_NOT_MET;
if(!mInitialized)
{
PUMP_DEBUG;
// Since the read will not block, it's ok to initialize and
// attempt to read off the descriptor immediately.
mInitialized = true;
if(pump)
{
PUMP_DEBUG;
lldebugs << "Initializing poll descriptor for LLIOSocketReader."
<< llendl;
apr_pollfd_t poll_fd;
poll_fd.p = NULL;
poll_fd.desc_type = APR_POLL_SOCKET;
poll_fd.reqevents = APR_POLLIN;
poll_fd.rtnevents = 0x0;
poll_fd.desc.s = mSource->getSocket();
poll_fd.client_data = NULL;
pump->setConditional(this, &poll_fd);
}
}
//if(!buffer)
//{
// buffer = new LLBufferArray;
//}
PUMP_DEBUG;
const apr_size_t READ_BUFFER_SIZE = 1024;
char read_buf[READ_BUFFER_SIZE]; /*Flawfinder: ignore*/
apr_size_t len;
apr_status_t status = APR_SUCCESS;
do
{
PUMP_DEBUG;
len = READ_BUFFER_SIZE;
status = apr_socket_recv(mSource->getSocket(), read_buf, &len);
buffer->append(channels.out(), (U8*)read_buf, len);
} while((APR_SUCCESS == status) && (READ_BUFFER_SIZE == len));
lldebugs << "socket read status: " << status << llendl;
LLIOPipe::EStatus rv = STATUS_OK;
PUMP_DEBUG;
// *FIX: Also need to check for broken pipe
if(APR_STATUS_IS_EOF(status))
{
// *FIX: Should we shut down the socket read?
if(pump)
{
pump->setConditional(this, NULL);
}
rv = STATUS_DONE;
eos = true;
}
else if(APR_STATUS_IS_EAGAIN(status))
{
/*Commented out by Aura 9-9-8 for DEV-19961.
// everything is fine, but we can terminate this process pump.
rv = STATUS_BREAK;
*/
}
else
{
if(ll_apr_warn_status(status))
{
rv = STATUS_ERROR;
}
}
PUMP_DEBUG;
return rv;
}
LLIOPipe::EStatus LLFilterXMLRPCRequest2LLSD::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
LL_RECORD_BLOCK_TIME(FTM_PROCESS_XMLRPC2LLSD_REQUEST);
PUMP_DEBUG;
if(!eos) return STATUS_BREAK;
if(!buffer) return STATUS_ERROR;
PUMP_DEBUG;
// *FIX: This technique for reading data is far from optimal. We
// need to have some kind of istream interface into the xml
// parser...
S32 bytes = buffer->countAfter(channels.in(), NULL);
if(!bytes) return STATUS_ERROR;
char* buf = new char[bytes + 1];
buf[bytes] = '\0';
buffer->readAfter(channels.in(), NULL, (U8*)buf, bytes);
//LL_DEBUGS() << "xmlrpc request: " << buf << LL_ENDL;
// Check the value in the buffer. XMLRPC_REQUEST_FromXML will report a error code 4 if
// values that are less than 0x20 are passed to it, except
// 0x09: Horizontal tab; 0x0a: New Line; 0x0d: Carriage
U8* cur_pBuf = (U8*)buf;
U8 cur_char;
for (S32 i=0; i<bytes; i++)
{
cur_char = *cur_pBuf;
if ( cur_char < 0x20
&& 0x09 != cur_char
&& 0x0a != cur_char
&& 0x0d != cur_char )
{
*cur_pBuf = '?';
}
++cur_pBuf;
}
PUMP_DEBUG;
XMLRPC_REQUEST request = XMLRPC_REQUEST_FromXML(
buf,
bytes,
NULL);
if(!request)
{
LL_WARNS() << "XML -> SD Request process parse error." << LL_ENDL;
delete[] buf;
return STATUS_ERROR;
}
PUMP_DEBUG;
LLBufferStream stream(channels, buffer.get());
stream.precision(DEFAULT_PRECISION);
const char* name = XMLRPC_RequestGetMethodName(request);
stream << LLSDRPC_REQUEST_HEADER_1 << (name ? name : "")
<< LLSDRPC_REQUEST_HEADER_2;
XMLRPC_VALUE param = XMLRPC_RequestGetData(request);
if(param)
{
PUMP_DEBUG;
S32 size = XMLRPC_VectorSize(param);
if(size > 1)
{
// if there are multiple parameters, stuff the values into
// an array so that the next step in the chain can read them.
stream << "[";
}
XMLRPC_VALUE current = XMLRPC_VectorRewind(param);
bool needs_comma = false;
while(current)
{
if(needs_comma)
{
stream << ",";
}
needs_comma = true;
stream_out(stream, current);
current = XMLRPC_VectorNext(param);
}
if(size > 1)
{
// close the array
stream << "]";
}
}
stream << LLSDRPC_REQUEST_FOOTER << std::flush;
XMLRPC_RequestFree(request, 1);
delete[] buf;
PUMP_DEBUG;
return STATUS_DONE;
}
LLIOPipe::EStatus LLFilterXMLRPCResponse2LLSD::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
LL_RECORD_BLOCK_TIME(FTM_PROCESS_XMLRPC2LLSD_RESPONSE);
PUMP_DEBUG;
if(!eos) return STATUS_BREAK;
if(!buffer) return STATUS_ERROR;
PUMP_DEBUG;
// *FIX: This technique for reading data is far from optimal. We
// need to have some kind of istream interface into the xml
// parser...
S32 bytes = buffer->countAfter(channels.in(), NULL);
if(!bytes) return STATUS_ERROR;
char* buf = new char[bytes + 1];
buf[bytes] = '\0';
buffer->readAfter(channels.in(), NULL, (U8*)buf, bytes);
//LL_DEBUGS() << "xmlrpc response: " << buf << LL_ENDL;
PUMP_DEBUG;
XMLRPC_REQUEST response = XMLRPC_REQUEST_FromXML(
buf,
bytes,
NULL);
if(!response)
{
LL_WARNS() << "XML -> SD Response unable to parse xml." << LL_ENDL;
delete[] buf;
return STATUS_ERROR;
}
PUMP_DEBUG;
LLBufferStream stream(channels, buffer.get());
stream.precision(DEFAULT_PRECISION);
if(XMLRPC_ResponseIsFault(response))
{
PUMP_DEBUG;
stream << LLSDRPC_FAULT_HADER_1
<< XMLRPC_GetResponseFaultCode(response)
<< LLSDRPC_FAULT_HADER_2;
const char* fault_str = XMLRPC_GetResponseFaultString(response);
std::string fault_string;
if(fault_str)
{
fault_string.assign(fault_str);
}
stream << "'" << LLSDNotationFormatter::escapeString(fault_string)
<< "'" <<LLSDRPC_FAULT_FOOTER << std::flush;
}
else
{
PUMP_DEBUG;
stream << LLSDRPC_RESPONSE_HEADER;
XMLRPC_VALUE param = XMLRPC_RequestGetData(response);
if(param)
{
stream_out(stream, param);
}
stream << LLSDRPC_RESPONSE_FOOTER << std::flush;
}
PUMP_DEBUG;
XMLRPC_RequestFree(response, 1);
delete[] buf;
PUMP_DEBUG;
return STATUS_DONE;
}
// virtual
LLIOPipe::EStatus LLFilterSD2XMLRPCRequest::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
LL_RECORD_BLOCK_TIME(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)
{
LL_INFOS() << "!eos" << LL_ENDL;
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())
{
LL_INFOS() << "STREAM FAILURE reading structure data." << LL_ENDL;
}
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())
{
LL_WARNS() << "SD -> XML Request no method found." << LL_ENDL;
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())
{
LL_INFOS() << "STREAM FAILURE setting precision" << LL_ENDL;
}
ostream << XML_HEADER << XMLRPC_REQUEST_HEADER_1
<< xml_escape_string(method) << XMLRPC_REQUEST_HEADER_2;
if(ostream.fail())
{
LL_INFOS() << "STREAM FAILURE writing method headers" << LL_ENDL;
}
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)
{
LLFastTimer t(FTM_PROCESS_SDRPC_CLIENT);
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;
}
