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e506581454
* [RAPPS] add snapshot url support * [RAPPS] fix snapshot prev window won't update if size not changed * [RAPPS] fix crash after cancel download * [RAPPS] show broken-img if failed to create file / make network request * [RAPPS] create a snapshots folder if it does not exist * [RAPPS] add a helper function to perform callback * [RAPPS] check bIsCancelled when handling ERROR_INVALID_HANDLE * [RAPPS] remove W suffix for AsyncInetDownload * [RAPPS] add assert for unknown event * [RAPPS] Improve AsyncInetDownload error handling * [RAPPS] move DisplayFailed to private, fix crash when cancelling * [RAPPS] check for ERROR_INTERNET_OPERATION_CANCELLED * [RAPPS] improve error logging * [RAPPS] remove \r in error logging * [RAPPS] rewrite AsyncInet
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
#ifndef ASYNC_INET
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#define ASYNC_INET
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enum ASYNC_EVENT
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{
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ASYNCINET_DATA, // wParam is the Data retrieved from the internet, lParam is the length of Data
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ASYNCINET_COMPLETE, // wParam and lParam are not used.
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// when receiving this, AsyncInet will be free soon and should not used anymore
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ASYNCINET_CANCELLED, // wParam and lParam are not used.
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// when receiving this, AsyncInet will be free soon and should not used anymore
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ASYNCINET_ERROR // wParam is not used. lParam specify the error code (if there is one).
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// when receiving this, AsyncInet will be free soon and should not used anymore
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};
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typedef struct __AsyncInet ASYNCINET, * pASYNCINET;
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typedef int
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(*ASYNCINET_CALLBACK)(
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pASYNCINET AsyncInet,
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ASYNC_EVENT Event,
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WPARAM wParam,
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LPARAM lParam,
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VOID* Extension
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);
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typedef struct __AsyncInet
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{
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HINTERNET hInternet;
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HINTERNET hInetFile;
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HANDLE hEventHandleCreated;
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UINT ReferenceCnt;
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CRITICAL_SECTION CriticalSection;
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HANDLE hEventHandleClose;
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BOOL bIsOpenUrlComplete;
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BOOL bCancelled;
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BYTE ReadBuffer[4096];
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DWORD BytesRead;
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ASYNCINET_CALLBACK Callback;
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VOID* Extension;
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} ASYNCINET, * pASYNCINET;
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pASYNCINET AsyncInetDownload(LPCWSTR lpszAgent,
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DWORD dwAccessType,
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LPCWSTR lpszProxy,
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LPCWSTR lpszProxyBypass,
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LPCWSTR lpszUrl,
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BOOL bAllowCache,
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ASYNCINET_CALLBACK Callback,
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VOID* Extension
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);
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BOOL AsyncInetCancel(pASYNCINET AsyncInet);
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VOID AsyncInetRelease(pASYNCINET AsyncInet);
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#endif
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