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path: root/indra/newview/llfloaterregiondebugconsole.cpp
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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 "llhttpnode.h"
#include "lllineeditor.h"
#include "lltexteditor.h"
#include "llviewerregion.h"
#include "llcorehttputil.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 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
		{
			LL_INFOS() << "Received response from the debug console: "
				<< input << LL_ENDL;
			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.getRegionCapability("SimConsoleAsync");
	if (url.empty())
	{
		// Fall back to see if the old API is supported.
		url = gAgent.getRegionCapability("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.getRegionCapability("SimConsoleAsync");
	if (url.empty())
	{
		// Fall back to the old API
		url = gAgent.getRegionCapability("SimConsole");
		if (url.empty())
		{
			text += CONSOLE_UNAVAILABLE + PROMPT;
		}
		else
		{
            LLSD postData = LLSD(input->getText());
            LLCoreHttpUtil::HttpCoroutineAdapter::callbackHttpPost(url, postData,
                boost::bind(&LLFloaterRegionDebugConsole::onConsoleSuccess, this, _1),
                boost::bind(&LLFloaterRegionDebugConsole::onConsoleError, this, _1));
		}
	}
	else
	{
        LLSD postData = LLSD(input->getText());
        LLCoreHttpUtil::HttpCoroutineAdapter::callbackHttpPost(url, postData,
            NULL,
            boost::bind(&LLFloaterRegionDebugConsole::onAsyncConsoleError, this, _1));

	}

	mOutput->appendText(text, false);
	input->clear();
}

void LLFloaterRegionDebugConsole::onAsyncConsoleError(LLSD result)
{
    LL_WARNS("Console") << UNABLE_TO_SEND_COMMAND << LL_ENDL;
    sConsoleReplySignal(UNABLE_TO_SEND_COMMAND);
}

void LLFloaterRegionDebugConsole::onConsoleError(LLSD result)
{
    LL_WARNS("Console") << UNABLE_TO_SEND_COMMAND << LL_ENDL;
    if (mOutput)
    {
        mOutput->appendText(
            UNABLE_TO_SEND_COMMAND + PROMPT,
            false);
    }

}

void LLFloaterRegionDebugConsole::onConsoleSuccess(LLSD result)
{
    if (mOutput)
    {
        LLSD response = result;
        if (response.isMap() && response.has(LLCoreHttpUtil::HttpCoroutineAdapter::HTTP_RESULTS_CONTENT))
        {
            response = response[LLCoreHttpUtil::HttpCoroutineAdapter::HTTP_RESULTS_CONTENT];
        }
        mOutput->appendText(
            response.asString() + PROMPT, false);
    }
}

void LLFloaterRegionDebugConsole::onReplyReceived(const std::string& output)
{
	mOutput->appendText(output + PROMPT, false);
}

LLHTTPRegistration<ConsoleResponseNode>
	gHTTPRegistrationMessageDebugConsoleResponse(
		"/message/SimConsoleResponse");