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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2015-01-15 20:51:39 +0000 |
|---|---|---|
| committer | Laurent Bercot <ska-skaware@skarnet.org> | 2015-01-15 20:51:39 +0000 |
| commit | ebfd0ba17e0d4b220725018d16e294e8e22a1745 (patch) | |
| tree | 4b29683050ce9e8f24f1920f1be38b2f837ef5ad /doc/s6-ioconnect.html | |
| parent | 20c7d8e1b328155145ce9e8648435e127b60c208 (diff) | |
| download | s6-networking-ebfd0ba17e0d4b220725018d16e294e8e22a1745.tar.xz | |
Move Unix domain socket and access control stuff to s6.
Move seekablepipe to s6-portable-utils.
Version: 2.0.1.0, release candidate
Diffstat (limited to 'doc/s6-ioconnect.html')
| -rw-r--r-- | doc/s6-ioconnect.html | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/doc/s6-ioconnect.html b/doc/s6-ioconnect.html deleted file mode 100644 index 5e2b6c6..0000000 --- a/doc/s6-ioconnect.html +++ /dev/null @@ -1,84 +0,0 @@ -<html> - <head> - <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> - <meta http-equiv="Content-Language" content="en" /> - <title>s6-networking: the s6-ioconnect program</title> - <meta name="Description" content="s6-networking: the s6-ioconnect program" /> - <meta name="Keywords" content="s6-networking ioconnect ucspi tcpconnect ipcconnect" /> - <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> --> - </head> -<body> - -<p> -<a href="index.html">s6-networking</a><br /> -<a href="http://skarnet.org/software/">Software</a><br /> -<a href="http://skarnet.org/">skarnet.org</a> -</p> - -<h1> The <tt>s6-ioconnect</tt> program </h1> - -<p> -<tt>s6-ioconnect</tt> performs full-duplex data transmission -between two sets of open file descriptors. -</p> - -<h2> Interface </h2> - -<pre> - s6-ioconnect [ -t <em>millisecs</em> ] [ -r <em>fdr</em> ] [ -w <em>fdw</em> ] [ -0 ] [ -1 ] [ -6 ] [ -7 ] -</pre> - -<ul> - <li> s6-ioconnect reads data from its stdin and writes it as is to -file descriptor 7, which is assumed to be open. </li> - <li> It also reads data from its file descriptor 6, which is assumed -to be open, and writes it as is to its stdout. </li> - <li> When both sides have transmitted EOF and s6-ioconnect has -flushed its buffers, it exits 0. </li> -</ul> - -<h2> Options </h2> - -<ul> - <li> <tt>-t <em>millisecs</em></tt> : if no activity on -either side happens for <em>millisecs</em> milliseconds, s6-ioconnect -closes the connection on both ends and exits 1. By default, -<em>millisecs</em> is 0, which means no such timeout. </li> - <li> <tt>-r <em>fdr</em></tt> : Use fd <em>fdr</em> for -"remote" reading instead of fd 6. </li> - <li> <tt>-w <em>fdw</em></tt> : Use fd <em>fdw</em> for -"remote" writing instead of fd 7. </li> - <li> <tt>-0</tt>: assume stdin is a socket and needs to be shut down -for reading after an EOF. </li> - <li> <tt>-1</tt>: assume stdout is a socket and needs to be shut down -for writing to correctly transmit an EOF. </li> - <li> <tt>-6</tt>: assume the remote reading fd is a socket and needs to be shut down -for reading after an EOF. </li> - <li> <tt>-7</tt>: assume the remote writing fd is a socket and needs to be shut down -for writing to correctly transmit an EOF. </li> -</ul> - -<h2> Notes </h2> - -<ul> - <li> Transmitting EOF across full-duplex sockets -<a href="http://cr.yp.to/tcpip/twofd.html">is ugly</a>. The right thing -in every case cannot be automatically determined, so it is up to the user -to mention that a socket must be shut down. Most of the time, though, -shutting down sockets after EOF <em>is</em> the right thing to do, so -<tt>s6-ioconnect -67</tt> should be the common use case. </li> - <li> The point of s6-ioconnect is to be used together with -<a href="s6-tcpclient.html">s6-tcpclient</a> or -<a href="s6-ipcclient.html">s6-ipcclient</a> to establish a full- -duplex connection between the client and the server, for instance -for testing purposes. <tt>s6-ioconnect</tt> is to s6-tcpclient as -<tt>cat</tt> is to s6-tcpserver: a program that will just echo -what it gets. </li> - <li> On modern Linux systems, s6-ioconnect will perform zero-copy -data transmission, via the -<a href="http://man7.org/linux/man-pages/man2/splice.2.html">splice</a> -system call. </li> -</ul> - -</body> -</html> |