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  3. FHttpManager

FHttpManager

Manages Http request that are currently being processed

API > API/Runtime > API/Runtime/HTTP

Inheritance Hierarchy

References

   
Module HTTP
Header /Engine/Source/Runtime/Online/HTTP/Public/HttpManager.h
Include #include "HttpManager.h"

Syntax

class FHttpManager : public FTSTickerObjectBase

Remarks

Manages Http request that are currently being processed

Variables

  Type Name Description
Protected variable bool bFlushing This variable is set to true in Flush(EHttpFlushReason), and prevents new Http requests from being launched.
Protected variable TFunction< FString()> CorrelationIdMethod This method will be called to generate a CorrelationId on all requests being sent if one is not already set
Protected variable TMap< EHttpFlushReason, FHttpFlushTimeLimit > FlushTimeLimitsMap  
Protected variable TQueue< TFunction< void()>, EQueueMode::Mpsc > GameThreadQueue Queue of tasks to run on the game thread
Protected variable FHttpManagerRequestAddedDelegate RequestAddedDelegate Delegate that will get called once request added
Protected variable FHttpManagerRequestCompletedDelegate RequestCompletedDelegate Delegate that will get called when a request completes
Protected variable TArray< FHttpRequestRef > Requests List of Http requests that are actively being processed
Protected variable FHttpThreadBase * Thread  
Protected variable UE::Core::FURLRequestFilter URLRequestFilter Url request filter, if specified in the config, it will launch http request only when the url is in the allowlist

Constructors

  Type Name Description
Public function   Constructor

Destructors

  Type Name Description
Public function Virtual   Destructor

Functions

  Type Name Description
Public function void

AddGameThreadTask ( TFunction< void()>&& Task
)

 Add task to be ran on the game thread next tick
Public function void

AddHttpThreadTask ( TFunction< void()>&& Task
)

 Add task to be ran on the http thread next tick
Public function void

AddRequest ( const FHttpRequestRef& Request
)

 Adds an Http request instance to the manager for tracking/ticking Manager should always have a list of requests currently being processed
Public function void

AddThreadedRequest ( const TSharedRef< IHttpThreadedRequest, ESPMode::ThreadSafe >& Request
)

 Add a http request to be executed on the http thread
Protected function void

BroadcastHttpRequestCompleted ( const FHttpRequestRef& Request
)

 Broadcast that a non-threaded HTTP request is complete.
Public function void

CancelThreadedRequest ( const TSharedRef< IHttpThreadedRequest, ESPMode::ThreadSafe >& Request
)

 Mark a threaded http request as cancelled to be removed from the http thread
Public function Const FString Create a new correlation id for a request
Protected function Virtual FHttpThreadBase * Create HTTP thread object
Public function Const void List all of the Http requests currently being processed
Public function void

Flush ( EHttpFlushReason FlushReason
)

 Block until all pending requests are finished processing
Public function Virtual void

FlushTick ( float DeltaSeconds
)

 Tick called during Flush
Public function Static TFunction< FString()> Get the default method for creating new correlation ids for a request
Protected function Const bool  
Public function void Initialize
Public function Const bool

IsDomainAllowed ( const FString& Url
)

 Determine if the domain is allowed to be accessed
Public function Const bool

IsValidRequest ( const IHttpRequest* RequestPtr
)

 Find an Http request in the lists of current valid requests
Public function Virtual void Inform that HTTP Manager that we have completed a fork().
Public function Virtual void Inform that HTTP Manager that we are about to fork().
Public function Virtual void Inform the HTTP Manager that we finished ticking right after forking.
Protected function void  
Public function void

RemoveRequest ( const FHttpRequestRef& Request
)

 Removes an Http request instance from the manager Presumably it is done being processed
Public function void

SetCorrelationIdMethod ( TFunction< FString()> InCorrelationIdMethod
)

 Set the method used to set a Correlation id on each request, if one is not already specified.
Public function void

SetRequestAddedDelegate ( const FHttpManagerRequestAddedDelegate& Delegate
)

  
Public function void

SetRequestCompletedDelegate ( const FHttpManagerRequestCompletedDelegate& Delegate
)

  
Public function void

SetURLRequestFilter ( const UE::Core::FURLRequestFilter& InURLRequestFilter
)

 Set url request filter through code, instead of setting it through config.
Public function void Shutdown logic should be called before quiting
Public function Virtual Const bool Method to check dynamic proxy setting support.
Public function Virtual void Update configuration. Called when config has been updated and we need to apply any changes.

Overridden from FTSTickerObjectBase

  Type Name Description
Public function Virtual bool

Tick ( float DeltaSeconds
)

 FTSTicker callback

Classes

  Type Name Description
Protected struct FHttpFlushTimeLimit    

Constants

Name Description
RequestLock Used to lock access to add/remove/find requests

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