f_evt_get_open

• f_evt_get_open

• f_evt_get_open

  CALLING

  f_evt_get_open(long l_mode, char &c_server[], s_evt_channel &s_chan, char **ps_info, long l_sample,l_para)

  PURPOSE

  f_evt_get_open opens an event stream from specified channel.

  ARGUMENTS

  l_mode

  Type of server:

  GETEVT__FILE

  Input from file

  GETEVT__STREAM

  Input from MBS stream server

  GETEVT__TRANS

  Input from MBS transport

  GETEVT__EVENT

  Input from MBS event server

  GETEVT__REVSERV

  Input from remote event server

  c_server

  Node of server or file name.

  s_chan

  structure s_evt_channel, must be allocated.

  ps_info

  address of pointer. If it is not NULL, then try to return file header or other information about server. If it is NULL, then returns nothing.

  l_sample

  used by event server to send only every 'l_sample' event.

  l_para

  currently not used

  Return type

  int.

  Status codes

  GETEVT__SUCCESS

  success.

  GETEVT__NOFILE

  file does not exist.

  GETEVT__RDERR

  read server error.

  GETEVT__NOSERVER

  can not connect server.

  Declaration

  INTS4 f_evt_get_open( INTS4, CHARS *, s_evt_channel *, CHARS **, INTS4, INTS4);

  FUNCTION

  Opens the input channel and save context in s_chan.

  NOTE

  Up to four input channels can be opened.