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-rwxr-xr-xindra/llmessage/llhttpretrypolicy.cpp82
1 files changed, 0 insertions, 82 deletions
diff --git a/indra/llmessage/llhttpretrypolicy.cpp b/indra/llmessage/llhttpretrypolicy.cpp
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--- a/indra/llmessage/llhttpretrypolicy.cpp
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-/**
- * @file llhttpretrypolicy.h
- * @brief Header for a retry policy class intended for use with http responders.
- *
- * $LicenseInfo:firstyear=2013&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2013, 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 "linden_common.h"
-#include "llhttpretrypolicy.h"
-
-bool LLAdaptiveRetryPolicy::getRetryAfter(const LLSD& headers, retry_header_time)
-{
- return (headers.has(HTTP_IN_HEADER_RETRY_AFTER)
- && getSecondsUntilRetryAfter(headers[HTTP_IN_HEADER_RETRY_AFTER].asStringRef(), retry_header_time));
-}
-
-void LLAdaptiveRetryPolicy::onFailure(S32 status, const LLSD& headers)
-{
- F32 retry_header_time;
- bool has_retry_header_time = getRetryAfter(headers,retry_header_time);
- onFailureCommon(status, has_retry_header_time, retry_header_time);
-}
-
-void LLAdaptiveRetryPolicy::onFailureCommon(S32 status, bool has_retry_header_time, F32 retry_header_time)
-{
- if (mRetryCount > 0)
- {
- mDelay = llclamp(mDelay*mBackoffFactor,mMinDelay,mMaxDelay);
- }
- // Honor server Retry-After header.
- // Status 503 may ask us to wait for a certain amount of time before retrying.
- F32 wait_time = mDelay;
- if (has_retry_header_time)
- {
- wait_time = retry_header_time;
- }
-
- if (mRetryCount>=mMaxRetries)
- {
- llinfos << "Too many retries " << mRetryCount << ", will not retry" << llendl;
- mShouldRetry = false;
- }
- if (!isHttpServerErrorStatus(status))
- {
- llinfos << "Non-server error " << status << ", will not retry" << llendl;
- mShouldRetry = false;
- }
- if (mShouldRetry)
- {
- llinfos << "Retry count " << mRetryCount << " should retry after " << wait_time << llendl;
- mRetryTimer.reset();
- mRetryTimer.setTimerExpirySec(wait_time);
- }
- mRetryCount++;
-}
-
-
-bool LLAdaptiveRetryPolicy::shouldRetry(F32& seconds_to_wait) const
-{
- llassert(mRetryCount>0); // have to call onFailure() before shouldRetry()
- seconds_to_wait = mShouldRetry ? mRetryTimer.getRemainingTimeF32() : F32_MAX;
- return mShouldRetry;
-}