Question

要将文件发送到服务器，我在Windows中执行HTTPS put请求，如下所示：

hSession = WinHttpOpen(  L"Agent/1.0",..
hConnect = WinHttpConnect(hSession,..
hRequest = WinHttpOpenRequest( hConnect, L"PUT",..
WinHttpSetCredentials(hRequest,..
WinHttpAddRequestHeaders( hRequest,..
WinHttpSendRequest( hRequest,..
WinHttpWriteData(hRequest,..
WinHttpReceiveResponse(hRequest,..
WinHttpQueryHeaders(hRequest,..
if (hRequest) WinHttpCloseHandle(hRequest);
if (hConnect) WinHttpCloseHandle(hConnect);
if (hSession) WinHttpCloseHandle(hSession);

为每个文件运行此命令包，应将其发送到服务器。从头开始为每个要发送的文件建立连接会产生额外的开销。现在我正在寻找一种减少这种开销的方法。

所以我有两个问题：

是否有必要为每个投放请求打开和关闭新的HTTPS连接？
有没有办法在此会话中为多个put请求建立会话并重用相同的HTTPS连接？

Answer 1

答案如下：

否。一个连接可以执行一堆请求。

这是代码草案：

hSession = WinHttpOpen( L"Agent/1.0",..
hConnect = WinHttpConnect(hSession,.. 
for (all_files_to_upload) { 
    hRequest = WinHttpOpenRequest( hConnect, L"PUT",..
    WinHttpSetCredentials(hRequest,.. 
    WinHttpAddRequestHeaders( hRequest,.. 
    WinHttpSendRequest( hRequest,.. 
    WinHttpWriteData(hRequest,.. 
    WinHttpReceiveResponse(hRequest,.. 
    WinHttpQueryHeaders(hRequest,.. 
    WinHttpCloseHandle(hRequest);
} 

if (hConnect) WinHttpCloseHandle(hConnect);
if (hSession) WinHttpCloseHandle(hSession);

如何在会话中为许多put请求重用相同的HTTPS连接？

1 个答案: