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-rwxr-xr-xindra/llcorehttp/_httppolicy.cpp110
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;
}