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o3de/Gems/HttpRequestor/Code/Source/HttpRequestManager.h

60 lines
2.8 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <AzCore/std/containers/queue.h>
#include <AzCore/std/smart_ptr/make_shared.h>
#include <AzCore/std/parallel/atomic.h>
#include <AzCore/std/parallel/mutex.h>
#include <AzCore/std/parallel/condition_variable.h>
#include <AzCore/std/parallel/thread.h>
#include <HttpRequestor/HttpRequestParameters.h>
#include <HttpRequestor/HttpTextRequestParameters.h>
namespace HttpRequestor
{
class Manager
{
public:
Manager();
virtual ~Manager();
// Add these parameters to a queue of request parameters to send off as an HTTP request as soon as they reach the head of the queue
void AddRequest(Parameters && httpRequestParameters);
// Add these parameters to a queue of request parameters to send off as an HTTP TEXT request as soon as they reach the head of the queue
void AddTextRequest(TextParameters && httpTextRequestParameters);
private:
// RequestManager thread loop.
void ThreadFunction();
// Called by ThreadFunction. Waits for timeout or until notified and processes any requests queued up.
void HandleRequestBatch();
// Perform an HTTP request, block until a response is received, then give the returned JSON to the callback to parse. Returns the HTTPResponseCode to the callback to handle any errors.
void HandleRequest(const Parameters & httpRequestParameters);
// Perform an HTTP request, block until a response is received, then give the returned TEXT to the callback to parse. Returns the HTTPResponseCode to the callback to handle any errors.
void HandleTextRequest(const TextParameters & httpTextRequestParameters);
private:
AZStd::queue<Parameters> m_requestsToHandle; // Queue of requests that will be made in order of time received
AZStd::queue<TextParameters> m_textRequestsToHandle; // Queue of requests for TEXT blobs that will be made in order of time received
AZStd::mutex m_requestMutex; // Member variables for synchronization
AZStd::condition_variable m_requestConditionVar;
AZStd::atomic<bool> m_runThread; // Run flag used to signal the worker thread
AZStd::thread m_thread; // This is the thread that will be used for all async operations
static const char* s_loggingName; // Name to use for log messages etc...
};
using ManagerPtr = AZStd::shared_ptr<Manager>;
}