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/**
* @file llfloaterregiondebugconsole.h
* @author Brad Kittenbrink <brad@lindenlab.com>
* @brief Quick and dirty console for region debug settings
*
* $LicenseInfo:firstyear=2010&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llfloaterregiondebugconsole.h"
#include "llagent.h"
#include "llhttpclient.h"
#include "llhttpnode.h"
#include "lllineeditor.h"
#include "lltexteditor.h"
#include "llviewerregion.h"
// Two versions of the sim console API are supported.
//
// SimConsole capability (deprecated):
// This is the initial implementation that is supported by some versions of the
// simulator. It is simple and straight forward, just POST a command and the
// body of the response has the result. This API is deprecated because it
// doesn't allow the sim to use any asynchronous API.
//
// SimConsoleAsync capability:
// This capability replaces the original SimConsole capability. It is similar
// in that the command is POSTed to the SimConsoleAsync cap, but the response
// comes in through the event poll, which gives the simulator more flexibility
// and allows it to perform complex operations without blocking any frames.
//
// We will assume the SimConsoleAsync capability is available, and fall back to
// the SimConsole cap if it is not. The simulator will only support one or the
// other.
namespace
{
// Signal used to notify the floater of responses from the asynchronous
// API.
console_reply_signal_t sConsoleReplySignal;
const std::string PROMPT("\n\n> ");
const std::string UNABLE_TO_SEND_COMMAND(
"ERROR: The last command was not received by the server.");
const std::string CONSOLE_UNAVAILABLE(
"ERROR: No console available for this region/simulator.");
const std::string CONSOLE_NOT_SUPPORTED(
"This region does not support the simulator console.");
// This responder handles the initial response. Unless error() is called
// we assume that the simulator has received our request. Error will be
// called if this request times out.
class AsyncConsoleResponder : public LLHTTPClient::Responder
{
public:
/* virtual */
void error(U32 status, const std::string& reason)
{
sConsoleReplySignal(UNABLE_TO_SEND_COMMAND);
}
};
class ConsoleResponder : public LLHTTPClient::Responder
{
public:
ConsoleResponder(LLTextEditor *output) : mOutput(output)
{
}
/*virtual*/
void error(U32 status, const std::string& reason)
{
if (mOutput)
{
mOutput->appendText(
UNABLE_TO_SEND_COMMAND + PROMPT,
false);
}
}
/*virtual*/
void result(const LLSD& content)
{
if (mOutput)
{
mOutput->appendText(
content.asString() + PROMPT, false);
}
}
LLTextEditor * mOutput;
};
// This handles responses for console commands sent via the asynchronous
// API.
class ConsoleResponseNode : public LLHTTPNode
{
public:
/* virtual */
void post(
LLHTTPNode::ResponsePtr reponse,
const LLSD& context,
const LLSD& input) const
{
llinfos << "Received response from the debug console: "
<< input << llendl;
sConsoleReplySignal(input["body"].asString());
}
};
}
boost::signals2::connection LLFloaterRegionDebugConsole::setConsoleReplyCallback(const console_reply_signal_t::slot_type& cb)
{
return sConsoleReplySignal.connect(cb);
}
LLFloaterRegionDebugConsole::LLFloaterRegionDebugConsole(LLSD const & key)
: LLFloater(key), mOutput(NULL)
{
mReplySignalConnection = sConsoleReplySignal.connect(
boost::bind(
&LLFloaterRegionDebugConsole::onReplyReceived,
this,
_1));
}
LLFloaterRegionDebugConsole::~LLFloaterRegionDebugConsole()
{
mReplySignalConnection.disconnect();
}
BOOL LLFloaterRegionDebugConsole::postBuild()
{
LLLineEditor* input = getChild<LLLineEditor>("region_debug_console_input");
input->setEnableLineHistory(true);
input->setCommitCallback(boost::bind(&LLFloaterRegionDebugConsole::onInput, this, _1, _2));
input->setFocus(true);
input->setCommitOnFocusLost(false);
mOutput = getChild<LLTextEditor>("region_debug_console_output");
std::string url = gAgent.getRegion()->getCapability("SimConsoleAsync");
if (url.empty())
{
// Fall back to see if the old API is supported.
url = gAgent.getRegion()->getCapability("SimConsole");
if (url.empty())
{
mOutput->appendText(
CONSOLE_NOT_SUPPORTED + PROMPT,
false);
return TRUE;
}
}
mOutput->appendText("> ", false);
return TRUE;
}
void LLFloaterRegionDebugConsole::onInput(LLUICtrl* ctrl, const LLSD& param)
{
LLLineEditor* input = static_cast<LLLineEditor*>(ctrl);
std::string text = input->getText() + "\n";
std::string url = gAgent.getRegion()->getCapability("SimConsoleAsync");
if (url.empty())
{
// Fall back to the old API
url = gAgent.getRegion()->getCapability("SimConsole");
if (url.empty())
{
text += CONSOLE_UNAVAILABLE + PROMPT;
}
else
{
// Using SimConsole (deprecated)
LLHTTPClient::post(
url,
LLSD(input->getText()),
new ConsoleResponder(mOutput));
}
}
else
{
// Using SimConsoleAsync
LLHTTPClient::post(
url,
LLSD(input->getText()),
new AsyncConsoleResponder);
}
mOutput->appendText(text, false);
input->clear();
}
void LLFloaterRegionDebugConsole::onReplyReceived(const std::string& output)
{
mOutput->appendText(output + PROMPT, false);
}
LLHTTPRegistration<ConsoleResponseNode>
gHTTPRegistrationMessageDebugConsoleResponse(
"/message/SimConsoleResponse");
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