Pull and merge from https://bitbucket.org/lindenlab/viewer-development.

1 files changed, 248 insertions, 0 deletions

diff --git a/indra/llcorehttp/_httpoperation.cpp b/indra/llcorehttp/_httpoperation.cpp
new file mode 100644
index 0000000000..5cf5bc5930
--- /dev/null
+++ b/indra/llcorehttp/_httpoperation.cpp
@@ -0,0 +1,248 @@
+/**
+ * @file _httpoperation.cpp
+ * @brief Definitions for internal classes based on HttpOperation
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, 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 "_httpoperation.h"
+
+#include "httphandler.h"
+#include "httpresponse.h"
+#include "httprequest.h"
+
+#include "_httprequestqueue.h"
+#include "_httpreplyqueue.h"
+#include "_httpservice.h"
+#include "_httpinternal.h"
+
+#include "lltimer.h"
+
+
+namespace LLCore
+{
+
+
+// ==================================
+// HttpOperation
+// ==================================
+
+
+HttpOperation::HttpOperation()
+	: LLCoreInt::RefCounted(true),
+	  mReplyQueue(NULL),
+	  mUserHandler(NULL),
+	  mReqPolicy(HttpRequest::DEFAULT_POLICY_ID),
+	  mReqPriority(0U),
+	  mTracing(0)
+{
+	mMetricCreated = totalTime();
+}
+
+
+HttpOperation::~HttpOperation()
+{
+	setReplyPath(NULL, NULL);
+}
+
+
+void HttpOperation::setReplyPath(HttpReplyQueue * reply_queue,
+								 HttpHandler * user_handler)
+{
+	if (reply_queue != mReplyQueue)
+	{
+		if (mReplyQueue)
+		{
+			mReplyQueue->release();
+		}
+
+		if (reply_queue)
+		{
+			reply_queue->addRef();
+		}
+
+		mReplyQueue = reply_queue;
+	}
+
+	// Not refcounted
+	mUserHandler = user_handler;
+}
+
+
+
+void HttpOperation::stageFromRequest(HttpService *)
+{
+	// Default implementation should never be called.  This
+	// indicates an operation making a transition that isn't
+	// defined.
+	LL_ERRS("HttpCore") << "Default stageFromRequest method may not be called."
+						<< LL_ENDL;
+}
+
+
+void HttpOperation::stageFromReady(HttpService *)
+{
+	// Default implementation should never be called.  This
+	// indicates an operation making a transition that isn't
+	// defined.
+	LL_ERRS("HttpCore") << "Default stageFromReady method may not be called."
+						<< LL_ENDL;
+}
+
+
+void HttpOperation::stageFromActive(HttpService *)
+{
+	// Default implementation should never be called.  This
+	// indicates an operation making a transition that isn't
+	// defined.
+	LL_ERRS("HttpCore") << "Default stageFromActive method may not be called."
+						<< LL_ENDL;
+}
+
+
+void HttpOperation::visitNotifier(HttpRequest *)
+{
+	if (mUserHandler)
+	{
+		HttpResponse * response = new HttpResponse();
+
+		response->setStatus(mStatus);
+		mUserHandler->onCompleted(static_cast<HttpHandle>(this), response);
+
+		response->release();
+	}
+}
+
+
+HttpStatus HttpOperation::cancel()
+{
+	HttpStatus status;
+
+	return status;
+}
+
+
+void HttpOperation::addAsReply()
+{
+	if (mTracing > HTTP_TRACE_OFF)
+	{
+		LL_INFOS("CoreHttp") << "TRACE, ToReplyQueue, Handle:  "
+							 << static_cast<HttpHandle>(this)
+							 << LL_ENDL;
+	}
+	
+	if (mReplyQueue)
+	{
+		addRef();
+		mReplyQueue->addOp(this);
+	}
+}
+
+
+// ==================================
+// HttpOpStop
+// ==================================
+
+
+HttpOpStop::HttpOpStop()
+	: HttpOperation()
+{}
+
+
+HttpOpStop::~HttpOpStop()
+{}
+
+
+void HttpOpStop::stageFromRequest(HttpService * service)
+{
+	// Do operations
+	service->stopRequested();
+	
+	// Prepare response if needed
+	addAsReply();
+}
+
+
+// ==================================
+// HttpOpNull
+// ==================================
+
+
+HttpOpNull::HttpOpNull()
+	: HttpOperation()
+{}
+
+
+HttpOpNull::~HttpOpNull()
+{}
+
+
+void HttpOpNull::stageFromRequest(HttpService * service)
+{
+	// Perform op
+	// Nothing to perform.  This doesn't fall into the libcurl
+	// ready/active queues, it just bounces over to the reply
+	// queue directly.
+	
+	// Prepare response if needed
+	addAsReply();
+}
+
+
+// ==================================
+// HttpOpSpin
+// ==================================
+
+
+HttpOpSpin::HttpOpSpin(int mode)
+	: HttpOperation(),
+	  mMode(mode)
+{}
+
+
+HttpOpSpin::~HttpOpSpin()
+{}
+
+
+void HttpOpSpin::stageFromRequest(HttpService * service)
+{
+	if (0 == mMode)
+	{
+		// Spin forever
+		while (true)
+		{
+			ms_sleep(100);
+		}
+	}
+	else
+	{
+		ms_sleep(1);			// backoff interlock plumbing a bit
+		this->addRef();
+		if (! service->getRequestQueue().addOp(this))
+		{
+			this->release();
+		}
+	}
+}
+
+
+}   // end namespace LLCore