path: root/lib/ic/examples/c-server/client.c

/*
 * %CopyrightBegin%
 * 
 * Copyright Ericsson AB 1998-2016. All Rights Reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * %CopyrightEnd%
 *
 */

/* Include the interface function, and ei_connect */
#include "rmod_random.h"
#include "ei_connect.h"

/* Assign your own node name here */
#define SNODE "babbis@balin"
#define SERVER "rmod_random_impl"
#define COOKIE "flash"
#define CLNODE "c47@balin"
#define INBUFSZ 1024
#define OUTBUFSZ 1024

/* Stopping node */
void client_exit(CORBA_Environment *env) {

    /* Free env & buffers */
    CORBA_free(env->_inbuf);
    CORBA_free(env->_outbuf);
    CORBA_free(env);

    close(env->_fd);
    exit(1);
}

int main()
{
    double result=0;
    int i=0;
    erlang_pid pid;
    CORBA_Environment *env;
    ei_cnode ec;
  
    /* Create and init CORBA_Environment */
    env = CORBA_Environment_alloc(INBUFSZ,OUTBUFSZ);
  
    /* Initiating the connection */
    ei_connect_init(&ec, "c47", COOKIE, 0);

    /* Initiating pid*/
    strcpy(pid.node, CLNODE);
    pid.num = 99;
    pid.serial = 0;
    pid.creation = 0;

    /* Fixing environment variable */
    env->_fd = ei_connect(&ec, SNODE);
    strcpy(env->_regname,SERVER);
    env->_to_pid = NULL;
    env->_from_pid = &pid;
  
    if (env->_fd < 0) {
	fprintf(stderr,"Error : Cannot connect to Server\n");

	/* Free env & buffers */
	CORBA_free(env->_inbuf);
	CORBA_free(env->_outbuf);
	CORBA_free(env);
	exit(1);
    }
  
    /* Calling the init function */
    rmod_random_init(NULL, 1, 2, 3, env);
 
    switch(env->_major) {
    case CORBA_NO_EXCEPTION:	/* Success */
	printf("Init complete !\n");
	break;
    case CORBA_SYSTEM_EXCEPTION: /* System exception */
	printf("Init call failure, reason : %s\n",(char *) CORBA_exception_value(env));
	CORBA_exception_free(env);
	client_exit(env);
    default:			/* Should not come here */
	client_exit(env);
    }

    /* Calling the produce function */
    for(i=1; i<=10; i++) {
	result = rmod_random_produce(NULL, env);

	switch(env->_major) {
	case CORBA_NO_EXCEPTION: /* Success */
	    break;
	case CORBA_SYSTEM_EXCEPTION: /* System exception */
	    printf("Init call failure, reason : %s\n",(char *) CORBA_exception_value(env));
	    CORBA_exception_free(env);
	    client_exit(env);
	default:		/* Should not come here */
	    client_exit(env);
	}

	printf("the random number nr%d is %f\n",i,result);
    }

    /* Closing the connection */
    close(env->_fd);
  
    /* Free env & buffers */
    CORBA_free(env->_inbuf);
    CORBA_free(env->_outbuf);
    CORBA_free(env);

    return 0;
}