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/**
* @file lleventapi.cpp
* @author Nat Goodspeed
* @date 2009-11-10
* @brief Implementation for lleventapi.
*
* $LicenseInfo:firstyear=2009&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library 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;
* version 2.1 of the License only.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
// Precompiled header
#include "linden_common.h"
// associated header
#include "lleventapi.h"
// STL headers
// std headers
// external library headers
// other Linden headers
#include "llerror.h"
#include "lazyeventapi.h"
LLEventAPI::LLEventAPI(const std::string& name, const std::string& desc, const std::string& field):
lbase(name, field),
ibase(name),
mDesc(desc)
{
}
LLEventAPI::LLEventAPI(const LL::LazyEventAPIParams& params):
LLEventAPI(params.name, params.desc, params.field)
{
// call initialization functions with our brand-new instance pointer
params.init(this);
}
LLEventAPI::~LLEventAPI()
{
}
bool LLEventAPI::process(const LLSD& event) const
{
// LLDispatchListener is documented to let DispatchError propagate if the
// incoming request has no "reply" key. That may be fine for internal-only
// use, but LLEventAPI opens the door for external requests. It should NOT
// be possible for any external requester to crash the viewer with an
// unhandled exception, especially not by something as simple as omitting
// the "reply" key.
try
{
return LLDispatchListener::process(event);
}
catch (const std::exception& err)
{
// log the exception, but otherwise ignore it
LL_WARNS("LLEventAPI") << LLError::Log::classname(err) << ": " << err.what() << LL_ENDL;
return false;
}
}
LLEventAPI::Response::Response(const LLSD& seed, const LLSD& request, const LLSD::String& replyKey):
mResp(seed),
mReq(request),
mKey(replyKey)
{}
LLEventAPI::Response::~Response()
{
// When you instantiate a stack Response object, if the original
// request requested a reply, send it when we leave this block, no
// matter how.
sendReply(mResp, mReq, mKey);
}
void LLEventAPI::Response::warn(const std::string& warning)
{
LL_WARNS("LLEventAPI::Response") << warning << LL_ENDL;
mResp["warnings"].append(warning);
}
void LLEventAPI::Response::error(const std::string& error)
{
// Use LL_WARNS rather than LL_ERROR: we don't want the viewer to shut
// down altogether.
LL_WARNS("LLEventAPI::Response") << error << LL_ENDL;
mResp["error"] = error;
}
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