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latest version of the nqptp interface header

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This commit is contained in:
Mike Brady
2022-01-02 10:42:48 +00:00
parent 4322f67fe2
commit b5860fc4d2
1 changed files with 19 additions and 6 deletions
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nqptp-shm-structures.h
+19 -6
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@@ -1,6 +1,6 @@
/*
* This file is part of the nqptp distribution (https://github.com/mikebrady/nqptp).
* Copyright (c) 2021 Mike Brady.
* Copyright (c) 2021--2022 Mike Brady.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -23,11 +23,24 @@
#define NQPTP_SHM_STRUCTURES_VERSION 7
#define NQPTP_CONTROL_PORT 9000
// The control port will accept a UDP packet with the first letter being:
// "T", followed by the name of the shared memory interface, followed by
// a space and then a space-delimited list of ip numbers, either IPv4 or IPv6
// the whole not to exceed 4096 characters in total
// The IPs will become the new list of timing peers, replacing any previous
// The control port expects a UDP packet with the first space-delimited string
// being the name of the shared memory interface (SMI) to be used.
// This allows client applications to have a dedicated named SMI interface with
// a timing peer list independent of other clients.
// The name given must be a valid SMI name and must contain no spaces.
// If the named SMI interface doesn't exist it will be created by NQPTP.
// The SMI name should be delimited by a space and followed by a command letter.
// At present, the only command is "T", which must followed by nothing or by
// a space and a space-delimited list of IPv4 or IPv6 numbers,
// the whole not to exceed 4096 characters in total.
// The IPs, if provided, will become the new list of timing peers, replacing any
// previous list. If the master clock of the new list is the same as that of the old list,
// the master clock is retained without resynchronisation; this means that non-master
// devices can be added and removed without disturbing the SMI's existing master clock.
// If no timing list is provided, the existing timing list is deleted.
// (In future version of NQPTP the SMI interface may also be deleted at this point.)
// SMI interfaces are not currently deleted or garbage collected.
#include <inttypes.h>
#include <pthread.h>