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Man Pages


Manual Reference Pages  -  XS_BIND (3)

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NAME

xs_bind - accept connections on a socket

CONTENTS

SYNOPSIS

int xs_bind (void *socket, const char *endpoint);

DESCRIPTION

The xs_bind() function shall create an endpoint for accepting connections and bind it to the socket referenced by the socket argument.

The endpoint argument is a string consisting of two parts as follows: transport://address. The transport part specifies the underlying transport protocol to use. The meaning of the address part is specific to the underlying transport protocol selected.

The following transports are defined:

inproc

local in-process (inter-thread) communication transport, see xs_inproc(7)

ipc

local inter-process communication transport, see xs_ipc(7)

tcp

unicast transport using TCP, see xs_tcp(7)

pgm, epgm

reliable multicast transport using PGM, see xs_pgm(7)

With the exception of XS_PAIR sockets, a single socket may be connected to multiple endpoints using xs_connect(), while simultaneously accepting incoming connections from multiple endpoints bound to the socket using xs_bind(). Refer to xs_socket(3) for a description of the exact semantics involved when connecting or binding a socket to multiple endpoints.

RETURN VALUE

The xs_bind() function shall return endpoint ID if successful. Otherwise it shall return -1 and set errno to one of the values defined below.

ERRORS

EINVAL

The endpoint supplied is invalid.

ENAMETOOLONG

The supplied name was too long.

EPROTONOSUPPORT

The requested transport protocol is not supported.

ENOCOMPATPROTO

The requested transport protocol is not compatible with the socket type.

EADDRINUSE

The requested address is already in use.

EADDRNOTAVAIL

The requested address was not local.

ENODEV

The requested address specifies a nonexistent interface.

ETERM

The context associated with the specified socket was terminated.

ENOTSOCK

The provided socket was invalid.

EXAMPLE

Binding a publisher socket to an in-process and a TCP transport.

/* Create a XS_PUB socket */
void *socket = xs_socket (context, XS_PUB);
assert (socket);
/* Bind it to a in-process transport with the address my_publisher */
int rc = xs_bind (socket, "inproc://my_publisher");
assert (rc != -1);
/* Bind it to a TCP transport on port 5555 of the eth0 interface */
rc = xs_bind (socket, "tcp://eth0:5555");
assert (rc != -1);

SEE ALSO

xs_connect(3) xs_socket(3) xs(7)

AUTHORS

The Crossroads documentation was written by Martin Sustrik <\m[blue]sustrik@250bpm.com\m[][1]> and Martin Lucina <\m[blue]martin@lucina.net\m[][2]>.

NOTES

1. sustrik@250bpm.com  mailto:sustrik@250bpm.com
2. martin@lucina.net  mailto:martin@lucina.net
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Crossroads I/O 1&.2&.0 XS_BIND (3) 04/03/2016

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