Download Managers
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Many Download Managers allow you to pause and resume your download, some are even able to resume after being disconnected. Now my question is how do they pick up where they left off? I'm guessing there is some standard information sent in the request as to where the server should start reading from the file.
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Many Download Managers allow you to pause and resume your download, some are even able to resume after being disconnected. Now my question is how do they pick up where they left off? I'm guessing there is some standard information sent in the request as to where the server should start reading from the file.
Well, it isn't even remotly connected to Visual C++ but what the heck... If you are talking about FTP download managers the some (most) servers support the REST (restart) command. Check the RFC for more info. And if the paths that I have followed/have tread against the flow/there is no need for sorrow I am coming home Return, Crüxshadows
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Many Download Managers allow you to pause and resume your download, some are even able to resume after being disconnected. Now my question is how do they pick up where they left off? I'm guessing there is some standard information sent in the request as to where the server should start reading from the file.
HTTP* also lets you request a portion of a file from a server, so you can request say from byte 123456 to the end to resume a download. *or maybe it's HTTP 1.1 only, I'm not a networking guru so I don't know OTTOMH --Mike-- Personal stuff:: Ericahist | Homepage Shareware stuff:: 1ClickPicGrabber | RightClick-Encrypt CP stuff:: CP SearchBar v2.0.2 | C++ Forum FAQ ---- Come quietly or there will be... trouble.
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HTTP* also lets you request a portion of a file from a server, so you can request say from byte 123456 to the end to resume a download. *or maybe it's HTTP 1.1 only, I'm not a networking guru so I don't know OTTOMH --Mike-- Personal stuff:: Ericahist | Homepage Shareware stuff:: 1ClickPicGrabber | RightClick-Encrypt CP stuff:: CP SearchBar v2.0.2 | C++ Forum FAQ ---- Come quietly or there will be... trouble.
Yes, I believe it is HTTP 1.1 that supports resumable downloads. Michael Dunn wrote: Come quietly or there will be... trouble. Robocop? :) Peace! -=- James Tip for inexperienced drivers: "Professional Driver on Closed Course" does not mean "your Dumb Ass on a Public Road"!
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