cMsgNetworkConstants

java.lang.Object
- org.jlab.coda.cMsg.cMsgNetworkConstants

```
public class cMsgNetworkConstants
extends java.lang.Object
```
This interface defines some useful constants. These constants correspond to identical constants defined in the C implementation of cMsg.

Version:

1.0

Author:

Carl Timmer

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`bigBufferSize` The size (in bytes) of big buffers used to send data from client to server.
`static int`	`biggestUdpBufferSize` The size (in bytes) of biggest buffers used to send UDP data from client to server.
`static int`	`biggestUdpPacketSize` The biggest single UDP packet size is 2^16 - IP(v6) 40 byte header - 8 byte UDP header.
`static int`	`cMsgDomainMulticast` Int to send in UDP packet to cMsg name server if cMsg domain.
`static java.lang.String`	`cMsgMulticast` Multicast address used in cMsg domain = "239.220.0.0"
`static int`	`domainServerPort` Default TCP port at which a cMsg domain, domain server listens for 2 client connections (after that client has connected to name server) = 45001
`static int`	`emuDomainMulticastClient` Int to send in UDP packet to server if Emu domain and sender is client.
`static int`	`emuDomainMulticastKillSelf` Tell Emu multicast server to kill himself since server at that port and expid already exists.
`static int`	`emuDomainMulticastProbe` Client is just trying to find Emu multicast servers.
`static int`	`emuDomainMulticastServer` Int to send in UDP packet to Emu multicast server if Emu domain and sender is server.
`static java.lang.String`	`emuMulticast` Multicast address used in Emu domain = "239.230.0.0"
`static int`	`emuTcpPort` Default TCP port at which an Emu domain server listens for client connections = 46100
`static int[]`	`magicNumbers` Ints representing ascii for "cMsg is cool", used to filter out port-scanning software.
`static int`	`nameServerTcpPort` Default TCP port at which a cMsg domain name server listens for client connections = 45000
`static int`	`nameServerUdpPort` Default UDP port at which a cMsg name server listens for multicasts = 45000
`static int`	`rcDomainMulticastClient` Int to send in UDP packet to server if RC domain and sender is client.
`static int`	`rcDomainMulticastKillSelf` Tell RCMulticast server to kill himself since server at that port and expid already exists.
`static int`	`rcDomainMulticastProbe` Client is just trying to find RCMulticast servers.
`static int`	`rcDomainMulticastServer` Int to send in UDP packet to rc multicast server if RC domain and sender is server.
`static java.lang.String`	`rcMulticast` Multicast address used in runcontrol domain = "239.210.0.0"
`static int`	`rcMulticastPort` Default UDP port at which a run control multicast server listens for multicasts = 45200
`static int`	`rcServerPort` TCP port at which a run control server starts looking for a port to listen for a client connection on = 45300
`static int`	`rcTcpClientPort` TCP port at which a run control client starts looking for a port to listen on and the port that a run control server assumes a client is waiting for connections on = 45700
`static int`	`tcpServerPort` TCP port at which a TCPServer server listens for connections = 45600
`static int`	`UdpClientPortMax` Maximum value of a local UDP port range to avoid for client who multicasts looking a server.
`static int`	`UdpClientPortMin` Mimimum value of a local UDP port range to avoid for client who multicasts looking a server.

Method Summary
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - magicNumbers
```
public static final int[] magicNumbers
```
    Ints representing ascii for "cMsg is cool", used to filter out port-scanning software.
  - rcMulticast
```
public static final java.lang.String rcMulticast
```
    Multicast address used in runcontrol domain = "239.210.0.0"
    
    See Also:
    
    Constant Field Values
  - cMsgMulticast
```
public static final java.lang.String cMsgMulticast
```
    Multicast address used in cMsg domain = "239.220.0.0"
    
    See Also:
    
    Constant Field Values
  - emuMulticast
```
public static final java.lang.String emuMulticast
```
    Multicast address used in Emu domain = "239.230.0.0"
    
    See Also:
    
    Constant Field Values
  - emuTcpPort
```
public static final int emuTcpPort
```
    Default TCP port at which an Emu domain server listens for client connections = 46100
    
    See Also:
    
    Constant Field Values
  - nameServerTcpPort
```
public static final int nameServerTcpPort
```
    Default TCP port at which a cMsg domain name server listens for client connections = 45000
    
    See Also:
    
    Constant Field Values
  - nameServerUdpPort
```
public static final int nameServerUdpPort
```
    Default UDP port at which a cMsg name server listens for multicasts = 45000
    
    See Also:
    
    Constant Field Values
  - domainServerPort
```
public static final int domainServerPort
```
    Default TCP port at which a cMsg domain, domain server listens for 2 client connections (after that client has connected to name server) = 45001
    
    See Also:
    
    Constant Field Values
  - rcMulticastPort
```
public static final int rcMulticastPort
```
    Default UDP port at which a run control multicast server listens for multicasts = 45200
    
    See Also:
    
    Constant Field Values
  - rcServerPort
```
public static final int rcServerPort
```
    TCP port at which a run control server starts looking for a port to listen for a client connection on = 45300
    
    See Also:
    
    Constant Field Values
  - rcTcpClientPort
```
public static final int rcTcpClientPort
```
    TCP port at which a run control client starts looking for a port to listen on and the port that a run control server assumes a client is waiting for connections on = 45700
    
    See Also:
    
    Constant Field Values
  - tcpServerPort
```
public static final int tcpServerPort
```
    TCP port at which a TCPServer server listens for connections = 45600
    
    See Also:
    
    Constant Field Values
  - UdpClientPortMin
```
public static final int UdpClientPortMin
```
    Mimimum value of a local UDP port range to avoid for client who multicasts looking a server. This prevents client from receiving multicasts meant for someone else.
    
    See Also:
    
    Constant Field Values
  - UdpClientPortMax
```
public static final int UdpClientPortMax
```
    Maximum value of a local UDP port range to avoid for client who multicasts looking a server. This prevents client from receiving multicasts meant for someone else.
    
    See Also:
    
    Constant Field Values
  - cMsgDomainMulticast
```
public static final int cMsgDomainMulticast
```
    Int to send in UDP packet to cMsg name server if cMsg domain.
    
    See Also:
    
    Constant Field Values
  - rcDomainMulticastClient
```
public static final int rcDomainMulticastClient
```
    Int to send in UDP packet to server if RC domain and sender is client.
    
    See Also:
    
    Constant Field Values
  - rcDomainMulticastServer
```
public static final int rcDomainMulticastServer
```
    Int to send in UDP packet to rc multicast server if RC domain and sender is server.
    
    See Also:
    
    Constant Field Values
  - rcDomainMulticastKillSelf
```
public static final int rcDomainMulticastKillSelf
```
    Tell RCMulticast server to kill himself since server at that port and expid already exists.
    
    See Also:
    
    Constant Field Values
  - rcDomainMulticastProbe
```
public static final int rcDomainMulticastProbe
```
    Client is just trying to find RCMulticast servers.
    
    See Also:
    
    Constant Field Values
  - emuDomainMulticastClient
```
public static final int emuDomainMulticastClient
```
    Int to send in UDP packet to server if Emu domain and sender is client.
    
    See Also:
    
    Constant Field Values
  - emuDomainMulticastServer
```
public static final int emuDomainMulticastServer
```
    Int to send in UDP packet to Emu multicast server if Emu domain and sender is server.
    
    See Also:
    
    Constant Field Values
  - emuDomainMulticastKillSelf
```
public static final int emuDomainMulticastKillSelf
```
    Tell Emu multicast server to kill himself since server at that port and expid already exists.
    
    See Also:
    
    Constant Field Values
  - emuDomainMulticastProbe
```
public static final int emuDomainMulticastProbe
```
    Client is just trying to find Emu multicast servers.
    
    See Also:
    
    Constant Field Values
  - biggestUdpPacketSize
```
public static final int biggestUdpPacketSize
```
    The biggest single UDP packet size is 2^16 - IP(v6) 40 byte header - 8 byte UDP header.
    
    See Also:
    
    Constant Field Values
  - biggestUdpBufferSize
```
public static final int biggestUdpBufferSize
```
    The size (in bytes) of biggest buffers used to send UDP data from client to server.
    
    See Also:
    
    Constant Field Values
  - bigBufferSize
```
public static final int bigBufferSize
```
    The size (in bytes) of big buffers used to send data from client to server.
    
    See Also:
    
    Constant Field Values

Class cMsgNetworkConstants

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

magicNumbers

rcMulticast

cMsgMulticast

emuMulticast

emuTcpPort

nameServerTcpPort

nameServerUdpPort

domainServerPort

rcMulticastPort

rcServerPort

rcTcpClientPort

tcpServerPort

UdpClientPortMin

UdpClientPortMax

cMsgDomainMulticast

rcDomainMulticastClient

rcDomainMulticastServer

rcDomainMulticastKillSelf

rcDomainMulticastProbe

emuDomainMulticastClient

emuDomainMulticastServer

emuDomainMulticastKillSelf

emuDomainMulticastProbe

biggestUdpPacketSize

biggestUdpBufferSize

bigBufferSize