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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#include <Glacier2/Blobject.h>
#include <Glacier2/SessionRouterI.h>
#include <Glacier2/Instrumentation.h>
using namespace std;
using namespace Ice;
using namespace Glacier2;
using namespace Glacier2::Instrumentation;
namespace
{
const string serverForwardContext = "Glacier2.Server.ForwardContext";
const string clientForwardContext = "Glacier2.Client.ForwardContext";
const string serverTraceRequest = "Glacier2.Server.Trace.Request";
const string clientTraceRequest = "Glacier2.Client.Trace.Request";
const string serverTraceOverride = "Glacier2.Server.Trace.Override";
const string clientTraceOverride = "Glacier2.Client.Trace.Override";
}
Glacier2::Blobject::Blobject(shared_ptr<Instance> instance, shared_ptr<Connection> reverseConnection,
const Context& context) :
_instance(move(instance)),
_reverseConnection(move(reverseConnection)),
_forwardContext(_reverseConnection ?
_instance->properties()->getPropertyAsInt(serverForwardContext) > 0 :
_instance->properties()->getPropertyAsInt(clientForwardContext) > 0),
_requestTraceLevel(_reverseConnection ?
_instance->properties()->getPropertyAsInt(serverTraceRequest) :
_instance->properties()->getPropertyAsInt(clientTraceRequest)),
_overrideTraceLevel(reverseConnection ?
_instance->properties()->getPropertyAsInt(serverTraceOverride) :
_instance->properties()->getPropertyAsInt(clientTraceOverride)),
_context(context)
{
auto t = _reverseConnection ? _instance->serverRequestQueueThread() : _instance->clientRequestQueueThread();
if(t)
{
const_cast<shared_ptr<RequestQueue>&>(_requestQueue) = make_shared<RequestQueue>(t,
_instance,
_reverseConnection);
}
}
void
Glacier2::Blobject::destroy()
{
if(_requestQueue)
{
_requestQueue->destroy();
}
}
void
Glacier2::Blobject::updateObserver(const shared_ptr<Glacier2::Instrumentation::SessionObserver>& observer)
{
if(_requestQueue)
{
_requestQueue->updateObserver(observer);
}
}
void
Glacier2::Blobject::invoke(shared_ptr<ObjectPrx>& proxy,
const std::pair<const Byte*, const Byte*>& inParams,
function<void(bool, const pair<const Byte*, const Byte*>&)> response,
function<void(exception_ptr)> exception,
const Current& current)
{
//
// Set the correct facet on the proxy.
//
if(!current.facet.empty())
{
proxy = proxy->ice_facet(current.facet);
}
//
// Modify the proxy according to the request id. This can
// be overridden by the _fwd context.
//
if(current.requestId == 0)
{
proxy = proxy->ice_oneway();
}
else if(current.requestId > 0)
{
proxy = proxy->ice_twoway();
}
//
// Modify the proxy according to the _fwd context field.
//
Context::const_iterator p = current.ctx.find("_fwd");
if(p != current.ctx.end())
{
for(unsigned int i = 0; i < p->second.length(); ++i)
{
char option = p->second[i];
switch(option)
{
case 't':
{
proxy = proxy->ice_twoway();
break;
}
case 'o':
{
proxy = proxy->ice_oneway();
break;
}
case 'd':
{
proxy = proxy->ice_datagram();
break;
}
case 'O':
{
// Batch support has been removed. These requests will be forwarded as oneway
proxy = proxy->ice_oneway();
break;
}
case 'D':
{
// Batch support has been removed. These requests will be forwarded as datagram
proxy = proxy->ice_datagram();
break;
}
case 's':
{
proxy = proxy->ice_secure(true);
break;
}
case 'z':
{
proxy = proxy->ice_compress(true);
break;
}
default:
{
Warning out(_instance->logger());
out << "unknown forward option `" << option << "'";
break;
}
}
}
}
if(_requestTraceLevel >= 1)
{
Trace out(_instance->logger(), "Glacier2");
if(_reverseConnection)
{
out << "reverse ";
}
out << "routing";
if(_requestQueue)
{
out << " (buffered)";
}
else
{
out << " (not buffered)";
}
if(_reverseConnection)
{
out << "\nidentity = " << _instance->communicator()->identityToString(proxy->ice_getIdentity());
}
else
{
out << "\nproxy = " << _instance->communicator()->proxyToString(proxy);
}
out << "\noperation = " << current.operation;
out << "\ncontext = ";
Context::const_iterator q = current.ctx.begin();
while(q != current.ctx.end())
{
out << q->first << '/' << q->second;
if(++q != current.ctx.end())
{
out << ", ";
}
}
}
if(_requestQueue)
{
//
// If we are in buffered mode, we create a new request and add
// it to the request queue. If the request is twoway, we use
// AMI.
//
bool override;
try
{
override = _requestQueue->addRequest(make_shared<Request>(proxy, inParams, current, _forwardContext,
_context, move(response), exception));
}
catch(const ObjectNotExistException&)
{
exception(current_exception());
return;
}
if(override && _overrideTraceLevel >= 1)
{
Trace out(_instance->logger(), "Glacier2");
if(_reverseConnection)
{
out << "reverse ";
}
out << "routing override";
if(_reverseConnection)
{
out << "\nidentity = " << _instance->communicator()->identityToString(proxy->ice_getIdentity());
}
else
{
out << "\nproxy = " << _instance->communicator()->proxyToString(proxy);
}
out << "\noperation = " << current.operation;
out << "\ncontext = ";
Context::const_iterator q = current.ctx.begin();
while(q != current.ctx.end())
{
out << q->first << '/' << q->second;
if(++q != current.ctx.end())
{
out << ", ";
}
}
}
}
else
{
//
// If we are in not in buffered mode, we send the request directly.
//
try
{
function<void(bool, pair<const Byte*, const Byte*>)> amiResponse = nullptr;
function<void(bool)> amiSent = nullptr;
if(proxy->ice_isTwoway())
{
amiResponse = move(response);
}
else
{
amiSent = [amdResponse = move(response)](bool)
{
amdResponse(true, {nullptr, nullptr});
};
}
if(_forwardContext)
{
if(_context.size() > 0)
{
Context ctx = current.ctx;
ctx.insert(_context.begin(), _context.end());
proxy->ice_invokeAsync(current.operation, current.mode, inParams,
move(amiResponse), move(exception), move(amiSent), ctx);
}
else
{
proxy->ice_invokeAsync(current.operation, current.mode, inParams,
move(amiResponse), move(exception), move(amiSent), current.ctx);
}
}
else
{
if(_context.size() > 0)
{
proxy->ice_invokeAsync(current.operation, current.mode, inParams,
move(amiResponse), move(exception), move(amiSent), _context);
}
else
{
proxy->ice_invokeAsync(current.operation, current.mode, inParams,
move(amiResponse), move(exception), move(amiSent));
}
}
}
catch(const LocalException&)
{
exception(current_exception());
}
}
}
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