diff options
Diffstat (limited to 'indra/llcorehttp/_httppolicy.cpp')
-rwxr-xr-x | indra/llcorehttp/_httppolicy.cpp | 110 |
1 files changed, 54 insertions, 56 deletions
diff --git a/indra/llcorehttp/_httppolicy.cpp b/indra/llcorehttp/_httppolicy.cpp index 5f303dd0fe..2754e8ef07 100755 --- a/indra/llcorehttp/_httppolicy.cpp +++ b/indra/llcorehttp/_httppolicy.cpp @@ -4,7 +4,7 @@ * * $LicenseInfo:firstyear=2012&license=viewerlgpl$ * Second Life Viewer Source Code - * Copyright (C) 2012, Linden Research, Inc. + * Copyright (C) 2012-2013, 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 @@ -41,57 +41,64 @@ namespace LLCore // Per-policy-class data for a running system. -// Collection of queues, parameters, history, metrics, etc. +// Collection of queues, options and other data // for a single policy class. // // Threading: accessed only by worker thread -struct HttpPolicy::State +struct HttpPolicy::ClassState { public: - State() - : mConnMax(HTTP_CONNECTION_LIMIT_DEFAULT), - mConnAt(HTTP_CONNECTION_LIMIT_DEFAULT), - mConnMin(1), - mNextSample(0), - mErrorCount(0), - mErrorFactor(0) + ClassState() {} HttpReadyQueue mReadyQueue; HttpRetryQueue mRetryQueue; HttpPolicyClass mOptions; - - long mConnMax; - long mConnAt; - long mConnMin; - - HttpTime mNextSample; - unsigned long mErrorCount; - unsigned long mErrorFactor; }; HttpPolicy::HttpPolicy(HttpService * service) - : mActiveClasses(0), - mState(NULL), - mService(service) -{} + : mService(service) +{ + // Create default class + mClasses.push_back(new ClassState()); +} HttpPolicy::~HttpPolicy() { shutdown(); + + for (class_list_t::iterator it(mClasses.begin()); it != mClasses.end(); ++it) + { + delete (*it); + } + mClasses.clear(); mService = NULL; } +HttpRequest::policy_t HttpPolicy::createPolicyClass() +{ + const HttpRequest::policy_t policy_class(mClasses.size()); + if (policy_class >= HTTP_POLICY_CLASS_LIMIT) + { + return HttpRequest::INVALID_POLICY_ID; + } + mClasses.push_back(new ClassState()); + return policy_class; +} + + void HttpPolicy::shutdown() { - for (int policy_class(0); policy_class < mActiveClasses; ++policy_class) + for (int policy_class(0); policy_class < mClasses.size(); ++policy_class) { - HttpRetryQueue & retryq(mState[policy_class].mRetryQueue); + ClassState & state(*mClasses[policy_class]); + + HttpRetryQueue & retryq(state.mRetryQueue); while (! retryq.empty()) { HttpOpRequest * op(retryq.top()); @@ -101,7 +108,7 @@ void HttpPolicy::shutdown() op->release(); } - HttpReadyQueue & readyq(mState[policy_class].mReadyQueue); + HttpReadyQueue & readyq(state.mReadyQueue); while (! readyq.empty()) { HttpOpRequest * op(readyq.top()); @@ -111,28 +118,11 @@ void HttpPolicy::shutdown() op->release(); } } - delete [] mState; - mState = NULL; - mActiveClasses = 0; } -void HttpPolicy::start(const HttpPolicyGlobal & global, - const std::vector<HttpPolicyClass> & classes) -{ - llassert_always(! mState); - - mGlobalOptions = global; - mActiveClasses = classes.size(); - mState = new State [mActiveClasses]; - for (int i(0); i < mActiveClasses; ++i) - { - mState[i].mOptions = classes[i]; - mState[i].mConnMax = classes[i].mConnectionLimit; - mState[i].mConnAt = mState[i].mConnMax; - mState[i].mConnMin = 2; - } -} +void HttpPolicy::start() +{} void HttpPolicy::addOp(HttpOpRequest * op) @@ -141,7 +131,7 @@ void HttpPolicy::addOp(HttpOpRequest * op) op->mPolicyRetries = 0; op->mPolicy503Retries = 0; - mState[policy_class].mReadyQueue.push(op); + mClasses[policy_class]->mReadyQueue.push(op); } @@ -183,7 +173,7 @@ void HttpPolicy::retryOp(HttpOpRequest * op) << static_cast<HttpHandle>(op) << LL_ENDL; } - mState[policy_class].mRetryQueue.push(op); + mClasses[policy_class]->mRetryQueue.push(op); } @@ -204,11 +194,11 @@ HttpService::ELoopSpeed HttpPolicy::processReadyQueue() HttpService::ELoopSpeed result(HttpService::REQUEST_SLEEP); HttpLibcurl & transport(mService->getTransport()); - for (int policy_class(0); policy_class < mActiveClasses; ++policy_class) + for (int policy_class(0); policy_class < mClasses.size(); ++policy_class) { - State & state(mState[policy_class]); + ClassState & state(*mClasses[policy_class]); int active(transport.getActiveCountInClass(policy_class)); - int needed(state.mConnAt - active); // Expect negatives here + int needed(state.mOptions.mConnectionLimit - active); // Expect negatives here HttpRetryQueue & retryq(state.mRetryQueue); HttpReadyQueue & readyq(state.mReadyQueue); @@ -256,9 +246,9 @@ HttpService::ELoopSpeed HttpPolicy::processReadyQueue() bool HttpPolicy::changePriority(HttpHandle handle, HttpRequest::priority_t priority) { - for (int policy_class(0); policy_class < mActiveClasses; ++policy_class) + for (int policy_class(0); policy_class < mClasses.size(); ++policy_class) { - State & state(mState[policy_class]); + ClassState & state(*mClasses[policy_class]); // We don't scan retry queue because a priority change there // is meaningless. The request will be issued based on retry // intervals not priority value, which is now moot. @@ -286,9 +276,9 @@ bool HttpPolicy::changePriority(HttpHandle handle, HttpRequest::priority_t prior bool HttpPolicy::cancel(HttpHandle handle) { - for (int policy_class(0); policy_class < mActiveClasses; ++policy_class) + for (int policy_class(0); policy_class < mClasses.size(); ++policy_class) { - State & state(mState[policy_class]); + ClassState & state(*mClasses[policy_class]); // Scan retry queue HttpRetryQueue::container_type & c1(state.mRetryQueue.get_container()); @@ -382,13 +372,21 @@ bool HttpPolicy::stageAfterCompletion(HttpOpRequest * op) return false; // not active } + +HttpPolicyClass & HttpPolicy::getClassOptions(HttpRequest::policy_t pclass) +{ + llassert_always(pclass >= 0 && pclass < mClasses.size()); + + return mClasses[pclass]->mOptions; +} + int HttpPolicy::getReadyCount(HttpRequest::policy_t policy_class) const { - if (policy_class < mActiveClasses) + if (policy_class < mClasses.size()) { - return (mState[policy_class].mReadyQueue.size() - + mState[policy_class].mRetryQueue.size()); + return (mClasses[policy_class]->mReadyQueue.size() + + mClasses[policy_class]->mRetryQueue.size()); } return 0; } |