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55 lines
2.0 KiB
C++
55 lines
2.0 KiB
C++
#ifndef nsAHttpTransaction_h__
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#define nsAHttpTransaction_h__
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#include "nsISupports.h"
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class nsAHttpConnection;
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class nsIInputStream;
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class nsIOutputStream;
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class nsIInterfaceRequestor;
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//----------------------------------------------------------------------------
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// Abstract base class for a HTTP transaction
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//----------------------------------------------------------------------------
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class nsAHttpTransaction : public nsISupports
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{
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public:
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// called by the connection when it takes ownership of the transaction.
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virtual void SetConnection(nsAHttpConnection *) = 0;
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// called by the connection to pass socket security-info to the transaction.
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virtual void SetSecurityInfo(nsISupports *) = 0;
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// called by the connection to get notification callbacks to set on the
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// socket transport.
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virtual void GetNotificationCallbacks(nsIInterfaceRequestor **) = 0;
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// called by the pipelining code to determine how much memory to allocate
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// for this transaction's request headers.
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virtual PRUint32 GetRequestSize() = 0;
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// called by the connection to indicate that the socket can be written to.
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// the transaction returns NS_BASE_STREAM_CLOSED when it is finished
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// writing its request(s).
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virtual nsresult OnDataWritable(nsIOutputStream *) = 0;
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// called by the connection to indicate that the socket can be read from.
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// the transaction can return NS_BASE_STREAM_WOULD_BLOCK to suspend the
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// socket read request.
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virtual nsresult OnDataReadable(nsIInputStream *) = 0;
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// called by the connection when the transaction should stop, either due
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// to normal completion, cancelation, or some socket transport error.
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virtual nsresult OnStopTransaction(nsresult status) = 0;
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// called by the connection to report socket status.
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virtual void OnStatus(nsresult status, const PRUnichar *statusText) = 0;
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// called by the connection to check the transaction status.
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virtual PRBool IsDone() = 0;
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virtual nsresult Status() = 0;
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};
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#endif // nsAHttpTransaction_h__
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