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Copy pathproxy.cpp
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783 lines (656 loc) · 22 KB
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/*
This source file is part of KBEngine
For the latest info, see http://www.kbengine.org/
Copyright (c) 2008-2016 KBEngine.
KBEngine is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
KBEngine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with KBEngine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "baseapp.h"
#include "proxy.h"
#include "proxy_forwarder.h"
#include "profile.h"
#include "data_download.h"
#include "client_lib/client_interface.h"
#include "network/fixed_messages.h"
#include "network/channel.h"
#include "../../server/cellapp/cellapp_interface.h"
#include "../../server/dbmgr/dbmgr_interface.h"
#ifndef CODE_INLINE
#include "proxy.inl"
#endif
namespace KBEngine{
SCRIPT_METHOD_DECLARE_BEGIN(Proxy)
SCRIPT_METHOD_DECLARE("giveClientTo", pyGiveClientTo, METH_VARARGS, 0)
SCRIPT_METHOD_DECLARE("getClientType", pyGetClientType, METH_VARARGS, 0)
SCRIPT_METHOD_DECLARE("getClientDatas", pyGetClientDatas, METH_VARARGS, 0)
SCRIPT_METHOD_DECLARE("streamStringToClient", pyStreamStringToClient, METH_VARARGS, 0)
SCRIPT_METHOD_DECLARE("streamFileToClient", pyStreamFileToClient, METH_VARARGS, 0)
SCRIPT_METHOD_DECLARE_END()
SCRIPT_MEMBER_DECLARE_BEGIN(Proxy)
SCRIPT_MEMBER_DECLARE_END()
SCRIPT_GETSET_DECLARE_BEGIN(Proxy)
SCRIPT_GET_DECLARE("roundTripTime", pyGetRoundTripTime, 0, 0)
SCRIPT_GET_DECLARE("timeSinceHeardFromClient", pyGetTimeSinceHeardFromClient, 0, 0)
SCRIPT_GET_DECLARE("clientAddr", pyClientAddr, 0, 0)
SCRIPT_GET_DECLARE("hasClient", pyHasClient, 0, 0)
SCRIPT_GET_DECLARE("entitiesEnabled", pyGetEntitiesEnabled, 0, 0)
SCRIPT_GETSET_DECLARE_END()
BASE_SCRIPT_INIT(Proxy, 0, 0, 0, 0, 0)
//-------------------------------------------------------------------------------------
Proxy::Proxy(ENTITY_ID id, const ScriptDefModule* pScriptModule):
Base(id, pScriptModule, getScriptType(), true),
rndUUID_(KBEngine::genUUID64()),
addr_(Network::Address::NONE),
dataDownloads_(),
entitiesEnabled_(false),
bandwidthPerSecond_(0),
encryptionKey(),
pProxyForwarder_(NULL),
clientComponentType_(UNKNOWN_CLIENT_COMPONENT_TYPE),
clientDatas_()
{
Baseapp::getSingleton().incProxicesCount();
pProxyForwarder_ = new ProxyForwarder(this);
}
//-------------------------------------------------------------------------------------
Proxy::~Proxy()
{
Baseapp::getSingleton().decProxicesCount();
kick();
SAFE_RELEASE(pProxyForwarder_);
}
//-------------------------------------------------------------------------------------
void Proxy::kick()
{
// 如果被销毁频道仍然存活则将其关闭
Network::Channel* pChannel = Baseapp::getSingleton().networkInterface().findChannel(addr_);
if(pChannel && !pChannel->isDestroyed())
{
Network::Bundle* pBundle = Network::Bundle::createPoolObject();
(*pBundle).newMessage(ClientInterface::onKicked);
ClientInterface::onKickedArgs1::staticAddToBundle(*pBundle, SERVER_ERR_PROXY_DESTROYED);
//pBundle->send(Baseapp::getSingleton().networkInterface(), pChannel);
this->sendToClient(ClientInterface::onKicked, pBundle);
this->sendToClient();
pChannel->condemn();
}
}
//-------------------------------------------------------------------------------------
void Proxy::initClientBasePropertys()
{
if(clientMailbox() == NULL)
return;
MemoryStream* s1 = MemoryStream::createPoolObject();
addClientDataToStream(s1);
if(s1->wpos() > 0)
{
Network::Bundle* pBundle = Network::Bundle::createPoolObject();
(*pBundle).newMessage(ClientInterface::onUpdatePropertys);
(*pBundle) << this->id();
(*pBundle).append(*s1);
sendToClient(ClientInterface::onUpdatePropertys, pBundle);
//clientMailbox()->postMail((*pBundle));
}
MemoryStream::reclaimPoolObject(s1);
}
//-------------------------------------------------------------------------------------
void Proxy::initClientCellPropertys()
{
if(clientMailbox() == NULL)
return;
Network::Bundle* pBundle = Network::Bundle::createPoolObject();
(*pBundle).newMessage(ClientInterface::onUpdatePropertys);
(*pBundle) << this->id();
ENTITY_PROPERTY_UID spaceuid = ENTITY_BASE_PROPERTY_UTYPE_SPACEID;
Network::FixedMessages::MSGInfo* msgInfo =
Network::FixedMessages::getSingleton().isFixed("Property::spaceID");
if(msgInfo != NULL)
{
spaceuid = msgInfo->msgid;
}
if(pScriptModule()->usePropertyDescrAlias())
{
uint8 aliasID = ENTITY_BASE_PROPERTY_ALIASID_SPACEID;
(*pBundle) << aliasID << this->spaceID();
}
else
{
(*pBundle) << spaceuid << this->spaceID();
}
MemoryStream* s = MemoryStream::createPoolObject();
// celldata获取客户端感兴趣的数据初始化客户端 如:ALL_CLIENTS
addCellDataToStream(ED_FLAG_ALL_CLIENTS|ED_FLAG_CELL_PUBLIC_AND_OWN|ED_FLAG_OWN_CLIENT, s, true);
(*pBundle).append(*s);
MemoryStream::reclaimPoolObject(s);
//clientMailbox()->postMail((*pBundle));
sendToClient(ClientInterface::onUpdatePropertys, pBundle);
}
//-------------------------------------------------------------------------------------
void Proxy::onEntitiesEnabled(void)
{
SCOPED_PROFILE(SCRIPTCALL_PROFILE);
entitiesEnabled_ = true;
SCRIPT_OBJECT_CALL_ARGS0(this, const_cast<char*>("onEntitiesEnabled"));
}
//-------------------------------------------------------------------------------------
int32 Proxy::onLogOnAttempt(const char* addr, uint32 port, const char* password)
{
SCOPED_PROFILE(SCRIPTCALL_PROFILE);
PyObject* pyResult = PyObject_CallMethod(this,
const_cast<char*>("onLogOnAttempt"), const_cast<char*>("sks"),
addr,
port,
password
);
int32 ret = LOG_ON_REJECT;
if(pyResult != NULL)
{
ret = PyLong_AsLong(pyResult);
SCRIPT_ERROR_CHECK();
Py_DECREF(pyResult);
}
else
SCRIPT_ERROR_CHECK();
return ret;
}
//-------------------------------------------------------------------------------------
void Proxy::onClientDeath(void)
{
if(clientMailbox() == NULL)
{
ERROR_MSG(fmt::format("{}::onClientDeath: {}, channel is null!\n",
this->scriptName(), this->id()));
return;
}
SCOPED_PROFILE(SCRIPTCALL_PROFILE);
DEBUG_MSG(fmt::format("{}::onClientDeath: {}.\n",
this->scriptName(), this->id()));
Py_DECREF(clientMailbox());
clientMailbox(NULL);
addr(Network::Address::NONE);
entitiesEnabled_ = false;
SCRIPT_OBJECT_CALL_ARGS0(this, const_cast<char*>("onClientDeath"));
}
//-------------------------------------------------------------------------------------
void Proxy::onClientGetCell(Network::Channel* pChannel, COMPONENT_ID componentID)
{
// 回调给脚本，获得了cell
if(cellMailbox_ == NULL)
cellMailbox_ = new EntityMailbox(pScriptModule_, NULL, componentID, id_, MAILBOX_TYPE_CELL);
SCOPED_PROFILE(SCRIPTCALL_PROFILE);
SCRIPT_OBJECT_CALL_ARGS0(this, const_cast<char*>("onClientGetCell"));
}
//-------------------------------------------------------------------------------------
PyObject* Proxy::pyGetClientType()
{
return PyLong_FromLong((long)getClientType());
}
//-------------------------------------------------------------------------------------
PyObject* Proxy::pyGetClientDatas()
{
const std::string& datas = this->getClientDatas();
return PyBytes_FromStringAndSize(datas.data(), datas.size());
}
//-------------------------------------------------------------------------------------
PyObject* Proxy::pyGiveClientTo(PyObject* pyOterProxy)
{
if(this->isDestroyed())
{
PyErr_Format(PyExc_AssertionError, "%s: %d is destroyed!\n",
scriptName(), id());
PyErr_PrintEx(0);
return 0;
}
// 如果为None 则设置为NULL
Proxy* oterProxy = NULL;
if(pyOterProxy != Py_None)
oterProxy = static_cast<Proxy*>(pyOterProxy);
giveClientTo(oterProxy);
S_Return;
}
//-------------------------------------------------------------------------------------
void Proxy::onGiveClientToFailure()
{
SCOPED_PROFILE(SCRIPTCALL_PROFILE);
SCRIPT_OBJECT_CALL_ARGS0(this, const_cast<char*>("onGiveClientToFailure"));
}
//-------------------------------------------------------------------------------------
void Proxy::giveClientTo(Proxy* proxy)
{
if(isDestroyed())
{
char err[255];
kbe_snprintf(err, 255, "Proxy[%s]::giveClientTo: %d is destroyed.",
scriptName(), id());
PyErr_SetString(PyExc_TypeError, err);
PyErr_PrintEx(0);
onGiveClientToFailure();
return;
}
if(clientMailbox_ == NULL || clientMailbox_->getChannel() == NULL)
{
char err[255];
kbe_snprintf(err, 255, "Proxy[%s]::giveClientTo: no has client.", scriptName());
PyErr_SetString(PyExc_TypeError, err);
PyErr_PrintEx(0);
onGiveClientToFailure();
return;
}
Network::Channel* lpChannel = clientMailbox_->getChannel();
if(proxy)
{
if(proxy->isDestroyed())
{
char err[255];
kbe_snprintf(err, 255, "Proxy[%s]::giveClientTo: target(%d) is destroyed.",
scriptName(), proxy->id());
PyErr_SetString(PyExc_TypeError, err);
PyErr_PrintEx(0);
onGiveClientToFailure();
return;
}
if(proxy->id() == this->id())
{
char err[255];
kbe_snprintf(err, 255, "Proxy[%s]::giveClientTo: target(%d) is self.",
scriptName(), proxy->id());
PyErr_SetString(PyExc_TypeError, err);
PyErr_PrintEx(0);
onGiveClientToFailure();
return;
}
EntityMailbox* mb = proxy->clientMailbox();
if(mb != NULL)
{
ERROR_MSG(fmt::format("Proxy::giveClientTo: {}[{}] give client to {}[{}], {} has clientMailbox.\n",
scriptName(),
id(),
proxy->scriptName(),
proxy->id(),
proxy->scriptName()));
onGiveClientToFailure();
return;
}
if(cellMailbox())
{
// 当前这个entity如果有cell，说明已经绑定了witness， 那么既然我们将控制权
// 交换给了另一个entity， 这个entity需要解绑定witness。
// 通知cell丢失witness
Network::Bundle* pBundle = Network::Bundle::createPoolObject();
(*pBundle).newMessage(CellappInterface::onLoseWitness);
(*pBundle) << this->id();
sendToCellapp(pBundle);
}
// 既然客户端失去对其的控制, 那么通知client销毁这个entity
Network::Bundle* pBundle = Network::Bundle::createPoolObject();
(*pBundle).newMessage(ClientInterface::onEntityDestroyed);
(*pBundle) << this->id();
sendToClient(ClientInterface::onEntityDestroyed, pBundle);
// 将控制权交换
entitiesEnabled_ = false;
clientMailbox()->addr(Network::Address::NONE);
Py_DECREF(clientMailbox());
proxy->setClientType(this->getClientType());
proxy->setClientDatas(this->getClientDatas());
this->setClientType(UNKNOWN_CLIENT_COMPONENT_TYPE);
this->setClientDatas("");
clientMailbox(NULL);
proxy->onGiveClientTo(lpChannel);
addr(Network::Address::NONE);
}
}
//-------------------------------------------------------------------------------------
void Proxy::onGiveClientTo(Network::Channel* lpChannel)
{
clientMailbox(new EntityMailbox(this->pScriptModule_,
&lpChannel->addr(), 0, id_, MAILBOX_TYPE_CLIENT));
addr(lpChannel->addr());
Baseapp::getSingleton().createClientProxies(this);
// 如果有cell, 需要通知其获得witness， 因为这个客户端刚刚绑定到这个proxy
// 此时这个entity即使有cell正常情况必须是没有witness的。
onGetWitness();
}
//-------------------------------------------------------------------------------------
void Proxy::onGetWitness()
{
if(cellMailbox())
{
// 通知cell获得客户端
Network::Bundle* pBundle = Network::Bundle::createPoolObject();
(*pBundle).newMessage(CellappInterface::onGetWitnessFromBase);
(*pBundle) << this->id();
sendToCellapp(pBundle);
}
}
//-------------------------------------------------------------------------------------
double Proxy::getRoundTripTime() const
{
if(clientMailbox() == NULL || clientMailbox()->getChannel() == NULL ||
clientMailbox()->getChannel()->pEndPoint() == NULL)
return 0.0;
return double(clientMailbox()->getChannel()->pEndPoint()->getRTT()) / 1000000.0;
}
//-------------------------------------------------------------------------------------
PyObject* Proxy::pyGetRoundTripTime()
{
if(isDestroyed())
{
PyErr_Format(PyExc_AssertionError, "%s: %d is destroyed!\n",
scriptName(), id());
PyErr_PrintEx(0);
return 0;
}
return PyFloat_FromDouble(this->getRoundTripTime());
}
//-------------------------------------------------------------------------------------
double Proxy::getTimeSinceHeardFromClient() const
{
if(clientMailbox() == NULL || clientMailbox()->getChannel() == NULL ||
clientMailbox()->getChannel()->pEndPoint() == NULL)
return DBL_MAX;
return double(timestamp() - clientMailbox()->getChannel()->lastReceivedTime()) / stampsPerSecondD();
}
//-------------------------------------------------------------------------------------
PyObject* Proxy::pyGetTimeSinceHeardFromClient()
{
if(isDestroyed())
{
PyErr_Format(PyExc_AssertionError, "%s: %d is destroyed!\n",
scriptName(), id());
PyErr_PrintEx(0);
return 0;
}
return PyFloat_FromDouble(this->getTimeSinceHeardFromClient());
}
//-------------------------------------------------------------------------------------
bool Proxy::hasClient() const
{
if(clientMailbox() == NULL || clientMailbox()->getChannel() == NULL ||
clientMailbox()->getChannel()->pEndPoint() == NULL)
return false;
return true;
}
//-------------------------------------------------------------------------------------
PyObject* Proxy::pyHasClient()
{
if(isDestroyed())
{
PyErr_Format(PyExc_AssertionError, "%s: %d is destroyed!\n",
scriptName(), id());
PyErr_PrintEx(0);
return 0;
}
if(this->hasClient())
{
Py_RETURN_TRUE;
}
Py_RETURN_FALSE;
}
//-------------------------------------------------------------------------------------
PyObject* Proxy::pyClientAddr()
{
if(isDestroyed())
{
PyErr_Format(PyExc_AssertionError, "%s: %d is destroyed!\n",
scriptName(), id());
PyErr_PrintEx(0);
return 0;
}
PyObject* pyobj = PyTuple_New(2);
if(clientMailbox() == NULL || clientMailbox()->getChannel() == NULL ||
clientMailbox()->getChannel()->pEndPoint() == NULL)
{
PyTuple_SetItem(pyobj, 0, PyLong_FromLong(0));
PyTuple_SetItem(pyobj, 1, PyLong_FromLong(0));
}
else
{
const Network::Address& addr = clientMailbox()->getChannel()->pEndPoint()->addr();
PyTuple_SetItem(pyobj, 0, PyLong_FromUnsignedLong(addr.ip));
PyTuple_SetItem(pyobj, 1, PyLong_FromUnsignedLong(addr.port));
}
return pyobj;
}
//-------------------------------------------------------------------------------------
PyObject* Proxy::pyGetEntitiesEnabled()
{
if(isDestroyed())
{
PyErr_Format(PyExc_AssertionError, "%s: %d is destroyed!\n",
scriptName(), id());
PyErr_PrintEx(0);
return 0;
}
if(this->entitiesEnabled())
{
Py_RETURN_TRUE;
}
Py_RETURN_FALSE;
}
//-------------------------------------------------------------------------------------
PyObject* Proxy::__py_pyStreamFileToClient(PyObject* self, PyObject* args)
{
uint16 currargsSize = PyTuple_Size(args);
Proxy* pobj = static_cast<Proxy*>(self);
if(pobj->clientMailbox() == NULL)
{
PyErr_Format(PyExc_AssertionError,
"Proxy::streamStringToClient: has no client.");
PyErr_PrintEx(0);
return NULL;
}
if(currargsSize > 3 || currargsSize == 0)
{
PyErr_Format(PyExc_AssertionError,
"Proxy::streamFileToClient: args max require 3, gived %d! is script[%s].\n",
currargsSize, pobj->scriptName());
PyErr_PrintEx(0);
return NULL;
}
PyObject* pyResourceName = NULL;
PyObject* pyDesc = NULL;
int16 id = -1;
if(currargsSize == 1)
{
if(PyArg_ParseTuple(args, "O", &pyResourceName) == -1)
{
PyErr_Format(PyExc_TypeError, "Proxy::streamFileToClient: args is error!");
PyErr_PrintEx(0);
return NULL;
}
}
else if(currargsSize == 2)
{
if(PyArg_ParseTuple(args, "O|O", &pyResourceName, &pyDesc) == -1)
{
PyErr_Format(PyExc_TypeError, "Proxy::streamFileToClient: args is error!");
PyErr_PrintEx(0);
return NULL;
}
}
else if(currargsSize == 3)
{
if(PyArg_ParseTuple(args, "O|O|H", &pyResourceName, &pyDesc, &id) == -1)
{
PyErr_Format(PyExc_TypeError, "Proxy::streamFileToClient: args is error!");
PyErr_PrintEx(0);
return NULL;
}
}
char* pDescr = NULL;
if(pDescr != NULL)
{
wchar_t* PyUnicode_AsWideCharStringRet1 = PyUnicode_AsWideCharString(pyDesc, NULL);
pDescr = strutil::wchar2char(PyUnicode_AsWideCharStringRet1);
PyMem_Free(PyUnicode_AsWideCharStringRet1);
}
if(pDescr && strlen(pDescr) > 255)
{
PyErr_Format(PyExc_TypeError, "Proxy::streamFileToClient: the descr-size(%d > 255)!",
strlen(pDescr));
PyErr_PrintEx(0);
free(pDescr);
return NULL;
}
int16 rid = pobj->streamFileToClient(pyResourceName,
(pDescr == NULL ? "" : pDescr),
id);
if(pDescr)
free(pDescr);
return PyLong_FromLong(rid);
}
//-------------------------------------------------------------------------------------
int16 Proxy::streamFileToClient(PyObjectPtr objptr,
const std::string& descr, int16 id)
{
DataDownload* pDataDownload = DataDownloadFactory::create(
DataDownloadFactory::DATA_DOWNLOAD_STREAM_FILE, objptr, descr, id);
pDataDownload->entityID(this->id());
return dataDownloads_.pushDownload(pDataDownload);
}
//-------------------------------------------------------------------------------------
PyObject* Proxy::__py_pyStreamStringToClient(PyObject* self, PyObject* args)
{
uint16 currargsSize = PyTuple_Size(args);
Proxy* pobj = static_cast<Proxy*>(self);
if(pobj->clientMailbox() == NULL)
{
PyErr_Format(PyExc_AssertionError,
"Proxy::streamStringToClient: has no client.");
PyErr_PrintEx(0);
return NULL;
}
if(currargsSize > 3 || currargsSize == 0)
{
PyErr_Format(PyExc_AssertionError,
"Proxy::streamStringToClient: args max require 3, gived %d! is script[%s].\n",
currargsSize, pobj->scriptName());
PyErr_PrintEx(0);
return NULL;
}
PyObject* pyData = NULL;
PyObject* pyDesc = NULL;
int16 id = -1;
if(currargsSize == 1)
{
if(PyArg_ParseTuple(args, "O", &pyData) == -1)
{
PyErr_Format(PyExc_TypeError, "Proxy::streamStringToClient: args is error!");
PyErr_PrintEx(0);
return NULL;
}
}
else if(currargsSize == 2)
{
if(PyArg_ParseTuple(args, "O|O", &pyData, &pyDesc) == -1)
{
PyErr_Format(PyExc_TypeError, "Proxy::streamStringToClient: args is error!");
PyErr_PrintEx(0);
return NULL;
}
}
else if(currargsSize == 3)
{
if(PyArg_ParseTuple(args, "O|O|H", &pyData, &pyDesc, &id) == -1)
{
PyErr_Format(PyExc_TypeError, "Proxy::streamStringToClient: args is error!");
PyErr_PrintEx(0);
return NULL;
}
}
char* pDescr = NULL;
if(pDescr != NULL)
{
wchar_t* PyUnicode_AsWideCharStringRet1 = PyUnicode_AsWideCharString(pyDesc, NULL);
pDescr = strutil::wchar2char(PyUnicode_AsWideCharStringRet1);
PyMem_Free(PyUnicode_AsWideCharStringRet1);
}
if(pDescr && strlen(pDescr) > 255)
{
PyErr_Format(PyExc_TypeError, "Proxy::streamFileToClient: the descr-size(%d > 255)!",
strlen(pDescr));
PyErr_PrintEx(0);
free(pDescr);
return NULL;
}
int16 rid = pobj->streamStringToClient(pyData,
(pDescr == NULL ? "" : pDescr),
id);
if(pDescr)
free(pDescr);
return PyLong_FromLong(rid);
}
//-------------------------------------------------------------------------------------
int16 Proxy::streamStringToClient(PyObjectPtr objptr,
const std::string& descr, int16 id)
{
DataDownload* pDataDownload = DataDownloadFactory::create(
DataDownloadFactory::DATA_DOWNLOAD_STREAM_STRING, objptr, descr, id);
pDataDownload->entityID(this->id());
return dataDownloads_.pushDownload(pDataDownload);
}
//-------------------------------------------------------------------------------------
bool Proxy::pushBundle(Network::Bundle* pBundle)
{
if(!clientMailbox())
return false;
Network::Channel* pChannel = clientMailbox()->getChannel();
if(!pChannel)
return false;
pChannel->send(pBundle);
return true;
}
//-------------------------------------------------------------------------------------
bool Proxy::sendToClient(const Network::MessageHandler& msgHandler, Network::Bundle* pBundle)
{
return sendToClient(pBundle);
}
//-------------------------------------------------------------------------------------
bool Proxy::sendToClient(Network::Bundle* pBundle)
{
if(pushBundle(pBundle))
return true;
ERROR_MSG(fmt::format("Proxy::sendToClient: {} pBundles is NULL, not found channel.\n", id()));
Network::Bundle::reclaimPoolObject(pBundle);
return false;
}
//-------------------------------------------------------------------------------------
bool Proxy::sendToClient(bool expectData)
{
if(!clientMailbox())
return false;
Network::Channel* pChannel = clientMailbox()->getChannel();
if(!pChannel)
return false;
if(expectData)
{
if(pChannel->bundles().size() == 0)
{
WARNING_MSG("Proxy::sendToClient: no data!\n");
return false;
}
}
{
// 如果数据大量阻塞发不出去将会报警
AUTO_SCOPED_PROFILE("sendToClient");
pChannel->send();
}
return true;
}
//-------------------------------------------------------------------------------------
void Proxy::onStreamComplete(int16 id, bool success)
{
SCOPED_PROFILE(SCRIPTCALL_PROFILE);
SCRIPT_OBJECT_CALL_ARGS2(this, const_cast<char*>("onStreamComplete"),
const_cast<char*>("hO"), id, success ? Py_True : Py_False);
}
//-------------------------------------------------------------------------------------
}