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added new env var

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This commit is contained in:
Jeff Hill
2001-05-22 01:34:47 +00:00
parent f6c9619a48
commit 1f7c046c8f
2 changed files with 29 additions and 22 deletions
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45
configure/CONFIG_ENV
View File

@@ -24,22 +24,32 @@
# Augment beacon/search dest ip addr list
# from white space separated ip addresses in this
# environment variable. "Quote" if more than one addr.
#
# EPICS_CA_AUTO_ADDR_LIST
# YES = augment beacon/search dest ip
# addr list from network interfaces found; NO = only use
# EPICS_CA_ADDR_LIST to create this list.
#
# EPICS_CA_CONN_TMO
# after not seeing a server beacon for this number
# of seconds the clients will send an echo request over
# tcp/ip to verify the connection.
#
# EPICS_CA_REPEATER_PORT CA repeater port number.
#
# EPICS_CA_SERVER_PORT CA server port number.
#
# EPICS_CA_MAX_ARRAY_BYTES
# This parameter specifies the size (in bytes) of the largest array
# that the CA server will transport.
#
EPICS_CA_ADDR_LIST=""
EPICS_CA_AUTO_ADDR_LIST=YES
EPICS_CA_CONN_TMO=30.0
EPICS_CA_REPEATER_PORT=5065
EPICS_CA_SERVER_PORT=5064
EPICS_CA_MAX_ARRAY_BYTES=16384
#
# These parameters are only used by the CA server library
@@ -111,40 +121,39 @@ EPICS_CA_SERVER_PORT=5064
# --------------------------------------------------
#
# o Make sure that the broadcast addresses are identical on the
# server's host and on the client's host. This can be checked with
# "netstat -i" or "ifconfig -a".
# server's host and on the client's host. This can be checked
# on UNIX with "netstat -i" or "ifconfig -a"; on vxWorks with
# ifShow; and on windows with ipconfig.
#
# o Make sure that the client and server are using the same UDP
# port. Check the server's port by running "netstat -a | grep nnn"
# where nnn is the port number involved. If you do not set
# EPICS_CA_SERVER_PORT or EPICS_CAS_SERVER_PORT
# then the default port will be 5064.
# EPICS_CA_SERVER_PORT or EPICS_CAS_SERVER_PORT then the default port
# will be 5064.
#
# o Two servers can run on the same host with the same server port number
# if the following restrictions are understood (good luck). If the host has a
# modern IP kernel it is possible to have two servers on the same UDP port.
# It is not possible for two servers to run on the same host using the same
# TCP IP server port. If the CA server library detects that a 2nd server is attempting
# to start on the same port as an existing CA server then both servers will use the
# same UDP port if it is a modern IP kernel, and the 2nd server will
# be allocated a new TCP port. In this situation the clients will still be
# configured to use the same port number for both servers. The clients
# will find the 2nd server via the shared UDP port, and transparently
# connect to the 2nd server's allocated TCP port. Be aware that If there are
# two server's running on the same host on the same UDP port then they will
# both receive all UDP search requests sent as broadcasts, but will unfortunately (due to
# what I consider to be a real weakness of most IP kernel implementations) only one
# of the servers will typically receive UDP search requests sent to unicast addresses (i.e.
# a specific host's ip address).
# TCP IP server port. If the CA server library detects that a 2nd server is
# attempting to start on the same port as an existing CA server then both
# servers will use the same UDP port if it is a modern IP kernel, and the 2nd
# server will be allocated a new TCP port. In this situation the clients will
# still be configured to use the same port number for both servers. The clients
# will find the 2nd server via the shared UDP port, and transparently connect
# to the 2nd server's allocated TCP port. Be aware that If there are two server's
# running on the same host on the same UDP port then they will both receive all
# UDP search requests sent as broadcasts, but will unfortunately (due to a common
# weakness of most IP kernel implementations) only one of the servers will
# typically receive UDP search requests sent to unicast addresses (i.e. a specific
# host's ip address).
#
EPICS_CA_BEACON_PERIOD=15.0
EPICS_CAS_INTF_ADDR_LIST=""
EPICS_CAS_BEACON_ADDR_LIST=""
EPICS_CAS_SERVER_PORT=
# Log Server:
# EPICS_IOC_LOG_PORT Log server port number etc.
EPICS_IOC_LOG_PORT=7004

6
src/libCom/env/envDefs.h vendored
View File

@@ -80,6 +80,7 @@ epicsShareExtern READONLY ENV_PARAM EPICS_CA_BEACON_PERIOD;
epicsShareExtern READONLY ENV_PARAM EPICS_CA_AUTO_ADDR_LIST;
epicsShareExtern READONLY ENV_PARAM EPICS_CA_REPEATER_PORT;
epicsShareExtern READONLY ENV_PARAM EPICS_CA_SERVER_PORT;
epicsShareExtern READONLY ENV_PARAM EPICS_CA_MAX_ARRAY_BYTES;
epicsShareExtern READONLY ENV_PARAM EPICS_CAS_INTF_ADDR_LIST;
epicsShareExtern READONLY ENV_PARAM EPICS_CAS_BEACON_ADDR_LIST;
epicsShareExtern READONLY ENV_PARAM EPICS_CAS_SERVER_PORT;
@@ -92,12 +93,9 @@ epicsShareExtern READONLY ENV_PARAM EPICS_IOC_LOG_FILE_NAME;
epicsShareExtern READONLY ENV_PARAM EPICS_IOC_LOG_FILE_COMMAND;
epicsShareExtern READONLY ENV_PARAM EPICS_CMD_PROTO_PORT;
epicsShareExtern READONLY ENV_PARAM EPICS_AR_PORT;
#define EPICS_ENV_VARIABLE_COUNT 18
#define EPICS_ENV_VARIABLE_COUNT 19
/*
* N elements added here to satisfy microsoft development tools
* (includes room for nill termination)
*
* bldEnvData looks for "epicsShareExtern ENV_PARAM" so
* this always needs to be divided into two lines
*/