使用例題として,登録済みの伝送カード(伝送カード名:CARD1~3)を使用して,非同期の伝送要求の登録と,終了結果の取得をするサンプルプログラムを次に示します。
図7-1 サンプルプログラムフローチャート
/****************************************************************/
/* Sample program: program to register an asynchronous */
/* transmission request and obtain the transmission */
/* termination flags (This example uses a registered card) */
/****************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <apihead.h>
#define CARD1 "card1"
#define CARD2 "card2"
#define CARD3 "card3"
#define FTS_EXECUTION 0
#define FTS_SUCCESS 1
#define FTS_FAILURE 2
#define FTS_MAX_RETRY 3
int main()
{
FTS_FTP_API_DATA_EX data1, data2, data3;
/* Transmission information structure */
FTS_FTP_API_RETDATA_EX ret_data;
/* End of transmission information structure */
int sock;
unsigned long trno1, trno2, trno3;
int flag1, flag2, flag3;
int i;
flag1 = FTS_EXECUTION;
flag2 = FTS_EXECUTION;
flag3 = FTS_EXECUTION;
for( i = 0; i <= FTS_MAX_RETRY; i++ ) {
if( i == 0 ) {
printf( "Transmission is executed. ¥n" );
} else {
printf( "Transmission is executed again.¥n" );
}
memset( &data1, 0, sizeof(FTS_FTP_API_DATA_EX) );
memset( &data2, 0, sizeof(FTS_FTP_API_DATA_EX) );
memset( &data3, 0, sizeof(FTS_FTP_API_DATA_EX) );
/**************************************************/
/* Establish a connection with JP1/FTP */
/**************************************************/
sock = fts_ftp_open( NULL );
if( sock == INVALID_SOCKET ) {
/* Error */
printf( "fts_ftp_open() error!! error number = %ld¥n", fts_errno );
exit(1);
}
/*************************************/
/* Register the transmission request */
/*************************************/
if( flag1 == FTS_EXECUTION ) {
if( !fts_ftp_asyn_request_ex( sock, CARD1, &data1, &trno1, FTS_GET_RETURN ) ) {
/* Error */
printf( "fts_ftp_request_ex(1) error!! error number = %ld¥n", fts_errno );
}
}
if( flag2 == FTS_EXECUTION ) {
if( !fts_ftp_asyn_request_ex( sock, CARD2, &data2, &trno2, FTS_GET_RETURN ) ) {
/* Error */
printf( "fts_ftp_request_ex(2) error!! error number = %ld¥n", fts_errno );
}
}
if( flag3 == FTS_EXECUTION ) {
if( !fts_ftp_asyn_request_ex( sock, CARD3, &data3, &trno3, FTS_GET_RETURN ) ) {
/* Error */
printf( "fts_ftp_request_ex(3) error!! error number = %ld¥n", fts_errno );
}
}
/*********************************************/
/* Obtain the transmission termination flags */
/*********************************************/
while(1) {
if( !fts_ftp_event_ex( sock, &ret_data ) ) {
if( fts_errno == FTS_API_ERROR_NODATA ) {
/* Obtained all the transmission termination flags */
break;
} else {
/* Error */
printf( "fts_ftp_event_ex error!! error number = %ld¥n", fts_errno );
fts_ftp_close( sock );
exit(1);
}
}
if( flag1 == FTS_EXECUTION ) {
if( ret_data.trno == trno1 ) {
/* Termination of CARD1 */
if( ret_data.trans_status == TRANS_SUCCESS ) {
/* Transmission ends normally. */
printf( "CARD1 trnas success!!¥n" );
flag1 = FTS_SUCCESS;
} else {
/* Transmission ends abnormally. */
printf( "CARD1 trnas failure!!¥n" );
}
continue;
}
}
if( flag2 == FTS_EXECUTION ) {
if( ret_data.trno == trno2 ) {
/* Termination of CARD2 */
if( ret_data.trans_status == TRANS_SUCCESS ) {
/* Transmission ends normally. */
printf( "CARD2 trnas success!!¥n" );
flag2 = FTS_SUCCESS;
} else {
/* Transmission ends abnormally. */
printf( "CARD2 trnas failure!!¥n" );
}
continue;
}
}
if( flag3 == FTS_EXECUTION ) {
if( ret_data.trno == trno3 ) {
/* Termination of CARD3 */
if( ret_data.trans_status == TRANS_SUCCESS ) {
/* Transmission ends normally. */
printf( "CARD3 trnas success!!¥n" );
flag3 = FTS_SUCCESS;
} else {
/* Transmission ends abnormally. */
printf( "CARD3 trnas failure!!¥n" );
}
continue;
}
}
}
/***************************************/
/* Release the connection with JP1/FTP */
/***************************************/
fts_ftp_close( sock );
if( flag1 == FTS_SUCCESS && flag2 == FTS_SUCCESS && flag3 == FTS_SUCCESS ) {
break;
}
}
printf( "Transmission is ended. ¥n" );
exit(0);
}