Re: serving a file to a client --- background fcopy read fileevent event puts socket channel blocking nonblocking

From: Alan Anderson <aranders@xxxxxxxxxxxxx>
Date: Sat, 29 Mar 2008 01:21:00 -0400

In article
<7a3ef3f4-8af1-4078-a75d-b0fbf16add80@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
vitick@xxxxxxxxx wrote:

How do you write a file to socket copy procedure that notifies me
about it's progress
every so many bytes and does not block while doing so.

Start with the [fcopy] manual page, and look at how the second example
works. The -command option along with a -size value does exactly what
you are asking. You can modify the CopyMore procedure to do additional
actions, such as setting the value of a progress bar widget.

How about if I
want to control how fast
the copy progresses without blocking other events?

Change CopyMore to do smaller or larger chunks based on a control
widget's value, and/or to introduce a delay before rescheduling itself
to call the [fcopy] again.
.

References:
- serving a file to a client --- background fcopy read fileevent event puts socket channel blocking nonblocking
  - From: vitick
- Re: serving a file to a client --- background fcopy read fileevent event puts socket channel blocking nonblocking
  - From: Bruce Hartweg
- Re: serving a file to a client --- background fcopy read fileevent event puts socket channel blocking nonblocking
  - From: vitick
- Re: serving a file to a client --- background fcopy read fileevent event puts socket channel blocking nonblocking
  - From: vitick
- Re: serving a file to a client --- background fcopy read fileevent event puts socket channel blocking nonblocking
  - From: Alan Anderson
- Re: serving a file to a client --- background fcopy read fileevent event puts socket channel blocking nonblocking
  - From: vitick

Prev by Date: Re: Autoexpect under Windows (and later Mac and Linux)
Next by Date: Re: Tcl/Tk 8.5.2 Release Candidates
Previous by thread: Re: serving a file to a client --- background fcopy read fileevent event puts socket channel blocking nonblocking
Next by thread: Re: serving a file to a client --- background fcopy read fileevent event puts socket channel blocking nonblocking
Index(es):
- Date
- Thread

Relevant Pages

Re: serving a file to a client --- background fcopy read fileevent event puts socket cha
... I've only ever used [fcopy] once, ... progress feedback, speed limiting, or, well, to do just about anything ... I tried using on the inbound channel, ... Most importantly, rate limiting, progress reporting, and whatever else, ...
(comp.lang.tcl)
Re: serving a file to a client --- background fcopy read fileevent event puts socket cha
... I've only ever used [fcopy] once, ... progress feedback, speed limiting, or, well, to do just about anything ... I tried using on the inbound channel, ... Most importantly, rate limiting, progress reporting, and whatever else, ...
(comp.lang.tcl)
Re: serving a file to a client --- background fcopy read fileevent event puts socket cha
... about it's progress every so many bytes and does not block while doing so. ... The callback will of course have to repost the fcopy for the next ... avoid extra copies and to avoid buffering too much data in main memory ...
(comp.lang.tcl)
background fcopy and tracing a variable
... I initiate a background fcopy and go into vwait. ... updated via another channel, while fcopy is in progress. ... Unfortunately, the command is not invoked, until fcopy has finished -- then ...
(comp.lang.tcl)
Re: How to do Z-axis ordering on elements in a Dialog Box?
... > int x, ... progress bar, that is what you are trying to place the static control after ... > editor to right-click on a dialog element and be able to choose Z-axis ... This will center any selected control in the dialog template. ...
(microsoft.public.vc.mfc)