/*
	highscore_rpc-client.c -- The hiscore client using SunRPC.
	Created on: 2009/01/06 18:10:11
	~yas/dsys/highscore/rpc/highscore_rpc-client.c
*/

#include <stdio.h>	/* stderr, fprintf() */
#include <string.h>	/* memset() */
#include "highscore_rpc.h"

int get_highscore_client_rpc( char *server,
			      score_record_t records[], int len ) {
    CLIENT *clnt;
    get_highscore_result_t *result;
    int *arg, n, i;
	clnt = clnt_create(server,HIGHSCORE_RPC_PROG,
			   HIGHSCORE_RPC_VERSION, "tcp");
	if( clnt == NULL ) {
	    clnt_pcreateerror( server );
	    goto error0;
	}
	arg = &len;
	result = get_highscore_1( arg,clnt );
	if( result == NULL ) {
	    clnt_perror( clnt, "call failed:" );
	    goto error1;
	}
	n = result->records.records_len ;
	if( n > len ) {
	    fprintf(stderr,"received message too large: %d > %d\n", n, len );
	    goto error1;
	}
	for( i=0 ; i<n; i++ ) {
	    records[i] = result->records.records_val[i];
	}
	xdr_free( (xdrproc_t)xdr_get_highscore_result_t, (char *)result );
	clnt_destroy( clnt );
	return( n );

error1:	clnt_destroy( clnt );
error0:	return( -1 );
}

int put_score_client_rpc( char *server, int score, char *name ) {
    CLIENT *clnt;
    score_record_t arg;
    int *result, ok;
	clnt = clnt_create( server,HIGHSCORE_RPC_PROG,
			    HIGHSCORE_RPC_VERSION, "tcp");
	if( clnt == NULL ) {
	    clnt_pcreateerror( server );
	    goto error0;
	}
	arg.score = score;
	memset( arg.name, 0, HIGHSCORE_NAME_LEN );
	snprintf( arg.name, HIGHSCORE_NAME_LEN, "%s", name );
	result = put_score_1( &arg, clnt );
	if( result == NULL ) {
	    clnt_perror( clnt, "call failed:" );
	    goto error1;
	}
	ok = *result;
	xdr_free( (xdrproc_t)xdr_int, (char *)result );
	clnt_destroy( clnt );
	return( ok );

error1:	clnt_destroy( clnt );
error0:	return( -1 );
}