Revert "NSURLSession Reimplementation (#411)"

This reverts commit 07233534e6.
2025-06-02 01:21:08 +00:00 · 2024-07-02 19:19:14 +01:00 · 2024-07-02 19:19:14 +01:00 · 3fedf31c2d
commit 3fedf31c2d
parent 07233534e6
50 changed files with 7197 additions and 5391 deletions
--- a/Source/GSNativeProtocol.h
+++ b/Source/GSNativeProtocol.h
@ -0,0 +1,120 @@
+#ifndef	INCLUDED_GSNATIVEPROTOCOL_H
+#define	INCLUDED_GSNATIVEPROTOCOL_H
+
+#import "GSDispatch.h"
+#import "GSEasyHandle.h"
+#import "Foundation/NSURLProtocol.h"
+#import "Foundation/NSURLSession.h"
+
+@class GSTransferState;
+
+@interface NSURLSessionTask (GSNativeProtocolInternal)
+
+- (void) setCurrentRequest: (NSURLRequest*)request;
+
+- (dispatch_queue_t) workQueue;
+
+- (NSUInteger) suspendCount;
+
+- (void) getBodyWithCompletion: (void (^)(GSURLSessionTaskBody *body))completion;
+
+- (GSURLSessionTaskBody*) knownBody;
+- (void) setKnownBody: (GSURLSessionTaskBody*)body;
+
+- (void) setError: (NSError*)error;
+
+- (void) setCountOfBytesReceived: (int64_t)count;
+
+- (void) setCountOfBytesExpectedToReceive: (int64_t)count;
+
+- (void) setCountOfBytesExpectedToSend: (int64_t)count;
+
+- (void (^)(NSData *data, NSURLResponse *response, NSError *error)) dataCompletionHandler;
+
+- (void (^)(NSURL *location, NSURLResponse *response, NSError *error)) downloadCompletionHandler;
+
+@end
+
+typedef NS_ENUM(NSUInteger, GSCompletionActionType) {
+    GSCompletionActionTypeCompleteTask,
+    GSCompletionActionTypeFailWithError,
+    GSCompletionActionTypeRedirectWithRequest,
+};
+
+// Action to be taken after a transfer completes
+@interface GSCompletionAction : NSObject
+{
+  GSCompletionActionType _type;
+  int                    _errorCode;
+  NSURLRequest           *_redirectRequest;
+}
+
+- (GSCompletionActionType) type;
+- (void) setType: (GSCompletionActionType) type;
+
+- (int) errorCode;
+- (void) setErrorCode: (int)code;
+
+- (NSURLRequest*) redirectRequest;
+- (void) setRedirectRequest: (NSURLRequest*)request;
+
+@end
+
+typedef NS_ENUM(NSUInteger, GSNativeProtocolInternalState) {
+    // Task has been created, but nothing has been done, yet
+    GSNativeProtocolInternalStateInitial,
+    // The task is being fulfilled from the cache rather than the network.
+    GSNativeProtocolInternalStateFulfillingFromCache,
+    // The easy handle has been fully configured. But it is not added to
+    // the multi handle.
+    GSNativeProtocolInternalStateTransferReady,
+    // The easy handle is currently added to the multi handle
+    GSNativeProtocolInternalStateTransferInProgress,
+    // The transfer completed.
+    // The easy handle has been removed from the multi handle. This does
+    // not necessarily mean the task completed. A task that gets
+    // redirected will do multiple transfers.
+    GSNativeProtocolInternalStateTransferCompleted,
+    // The transfer failed.
+    // Same as `GSNativeProtocolInternalStateTransferCompleted`, 
+    // but without response / body data
+    GSNativeProtocolInternalStateTransferFailed,
+    // Waiting for the completion handler of the HTTP redirect callback.
+    // When we tell the delegate that we're about to perform an HTTP
+    // redirect, we need to wait for the delegate to let us know what
+    // action to take.
+    GSNativeProtocolInternalStateWaitingForRedirectCompletionHandler,
+    // Waiting for the completion handler of the 'did receive response' callback.
+    // When we tell the delegate that we received a response (i.e. when
+    // we received a complete header), we need to wait for the delegate to
+    // let us know what action to take. In this state the easy handle is
+    // paused in order to suspend delegate callbacks.
+    GSNativeProtocolInternalStateWaitingForResponseCompletionHandler,
+    // The task is completed
+    // Contrast this with `GSNativeProtocolInternalStateTransferCompleted`.
+    GSNativeProtocolInternalStateTaskCompleted,
+};
+
+// This abstract class has the common implementation of Native protocols like 
+// HTTP, FTP, etc.
+// These are libcurl helpers for the URLSession API code.
+@interface GSNativeProtocol : NSURLProtocol <GSEasyHandleDelegate>
+{
+  GSEasyHandle                   *_easyHandle;
+  GSNativeProtocolInternalState  _internalState;
+  GSTransferState                *_transferState;
+}
+
+- (void) setInternalState: (GSNativeProtocolInternalState)newState;
+
+- (void) failWithError: (NSError*)error request: (NSURLRequest*)request;
+
+- (void) completeTaskWithError: (NSError*)error;
+
+- (void) completeTask;
+
+- (void) startNewTransferWithRequest: (NSURLRequest*)request;
+
+@end
+
+#endif