smtrdns_init

SMT
Version 2.81

`smtrdns_init`

#include "smtdefn.h"
int smtrdns_init (void)

Synopsis

Initialises the reverse DNS agent. Returns 0 if initialised okay, -1 if there was an error.

Source Code - (smtrdns.c)

{
    AGENT  *agent;                      /*  Handle for our agent             */
    THREAD *thread;                     /*  Handle to various threads        */

#   include "smtrdns.i"                 /*  Include dialog interpreter       */

    /*                      Method name      Event value     Priority        */
    /*  Shutdown event comes from Kernel                                     */
    method declare (agent, "SHUTDOWN",       shutdown_event,
                                             SMT_PRIORITY_MAX);
    /*  Reply events from socket agent                                       */
    method declare (agent, "SOCK_INPUT_OK",  input_ok_event,     0);
    method declare (agent, "SOCK_OUTPUT_OK", ok_event,           0);
    method declare (agent, "SOCK_READ_OK",   ok_event,           0);
    method declare (agent, "SOCK_WRITE_OK",  ok_event,           0);
    method declare (agent, "SOCK_CLOSED",    sock_closed_event,  0);
    method declare (agent, "SOCK_ERROR",     sock_error_event,   0);
    method declare (agent, "SOCK_TIMEOUT",   sock_timeout_event, 0);

    /*  Public methods supported by this agent                               */
    method declare (agent, "GET_HOST_NAME",  get_host_event,     0);
    method declare (agent, "GET_HOST_IP",    get_ip_event,       0);

    /*  Reply events from timer agent                                        */
    method declare (agent, "TIME_ALARM",     timer_event, SMT_PRIORITY_LOW);

    /*  Private methods used to pass initial thread events                   */
    method declare (agent, "_MASTER",        master_event,    0);
    method declare (agent, "_CLIENT",        client_event,    0);

    /*  Ensure that operator console is running, else start it up            */
    smtoper init ();
    if ((thread = thread lookup (SMT_OPERATOR, "")) != NULL)
        operq = thread-> queue-> qid;
    else
        return (-1);

    /*  Ensure that socket i/o agent is running, else start it up            */
    smtsock init ();
    if ((thread = thread lookup (SMT_SOCKET, "")) != NULL)
        sockq = thread-> queue-> qid;
    else
        return (-1);

    /*  Ensure that timer agent is running, else start it up                 */
    smttime init ();
    if ((thread = thread lookup (SMT_TIMER, "")) != NULL)
        timeq = thread-> queue-> qid;
    else
        return (-1);

    /*  Create initial thread to manage master port                          */
    if ((thread = thread create (AGENT_NAME, "")) != NULL)
      {
        SEND (&thread-> queue-> qid, "_MASTER", "");
        ((TCB *) thread-> tcb)-> thread_type = master_event;
      }
    else
        return (-1);

    /*  Signal okay to caller that we initialised okay                       */
    return (0);
}

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