int main( void )
{
Node* List = NULL;
int select=-1;
DataAllDelete(&List);
LoadingData(&List);
do
{
select=PrintMenu(&List);
switch(select)
{
case 1:
DataAdd(&List);
break;
case 2:
DataEdit(&List);
break;
case 3:
DataDelete(&List);
break;
case 4:
DataSearch(&List);
break;
case 5:
DataPrint(&List);
break;
case 6:
DataAllPrint(&List);
break;
case 7:
SavingData(&List);
break;
case 8:
DataAllDelete(&List);
LoadingData(&List);
break;
case 9:
printf(" 프로그램을 종료합니다.\n");
printf("\n");
break;
default:
break;
}
}while(select !=9);
return 0;
}
//recieve func
int RecvData(int acc){
DB(fprintf(stderr,"RecvData()\n"));
int len;
int i;
for(i=0;i<RecvBuf.size;i++){
RecvBuf.buf[i] = '\0';
}
//len=recv(acc,RecvBuf.buf,(sizeof(char) * RecvBuf.size),0);
len=read(acc,RecvBuf.buf,(sizeof(char) * RecvBuf.size));
RecvBuf.len = len;
DB(fprintf(stderr,"recv %d byte {",len));
DB(DataPrint(stderr,RecvBuf.buf,len));
DB(fprintf(stderr,"}\n"));
return(0);
}
//recieve func
int RecvData(int acc, DATA_BUF *_RecvBuf){
DB(fprintf(stderr,"RecvData()\n"));
int len;
int i;
for(i=0;i<_RecvBuf->size;i++){
_RecvBuf->buf[i] = '\0';
}
len=recv(acc,_RecvBuf->buf,(sizeof(char) * _RecvBuf->size),0);
_RecvBuf->len = len;
DB(fprintf(stderr,"recv %d byte {",len));
DB(DataPrint(stderr,_RecvBuf->buf,len));
DB(fprintf(stderr,"}\n"));
if(len==0){
return(1);
}
return(0);
}
//send func
int SendData(int acc, DATA_BUF *_SendBuf){
int len=-2;
int buf_start=0;
DB(fprintf(stderr,"SendData()\n"));
while(_SendBuf->len > 0){
len=send(acc,_SendBuf->buf+buf_start,_SendBuf->len,0);
buf_start = buf_start + len;
_SendBuf->len = _SendBuf->len - len;
}
DB(fprintf(stderr,"send %d byte {",len));
DB(DataPrint(stderr,_SendBuf->buf,len));
DB(fprintf(stderr,"}\n"));
free(_SendBuf->buf);
_SendBuf->buf=NULL;
_SendBuf->size=0;
_SendBuf->len=0;
return(0);
}
//recieve func
int RecvData(int acc){
//char buf[LONG_BUFF_SIZE];
//char buf[8];
DB(fprintf(stderr,"RecvData()\n"));
int len;
int i;
for(i=0;i<RecvBuf.size;i++){
RecvBuf.buf[i] = '\0';
}
//len=recv(acc,buf,sizeof(buf),0);
len=recv(acc,RecvBuf.buf,(sizeof(char) * RecvBuf.size),0);
RecvBuf.len = len;
DB(fprintf(stderr,"recv %d byte {",len));
DB(DataPrint(stderr,RecvBuf.buf,len));
DB(fprintf(stderr,"}\n"));
/*
if(len == 0||strncmp(RecvBuf.buf,"end;",4) == 0){
return(1);
}
*/
return(0);
}
int main(int argc, char *argv[])
{
if (argc < 2) {
fprintf(stderr,"ERROR, no port provided\n");
exit(1);
}
int PORT = atoi(argv[1]);
char *recvBuff; /* recv data buffer */
int numBytes = 0;
int senderBuffSize;
// char str[MAX_DATA_SIZE];
char *str;
int servSockfd, clntSockfd;
struct sockaddr_in sevrAddr;
struct sockaddr_in clntAddr;
int clntLen;
socklen_t optlen = sizeof senderBuffSize;
/* make socket */
if ((servSockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
perror("sock failed");
exit(1);
}
/* set IP address and port */
sevrAddr.sin_family = AF_INET;
sevrAddr.sin_port = htons(PORT);
sevrAddr.sin_addr.s_addr = INADDR_ANY;
bzero(&(sevrAddr.sin_zero), 8);
if (bind(servSockfd, (struct sockaddr *)&sevrAddr,
sizeof(struct sockaddr)) == -1) {
perror("bind failed");
exit(1);
}
if (listen(servSockfd, MAX_PENDING) == -1) {
perror("listen failed");
exit(1);
}
while(1) {
clntLen = sizeof(struct sockaddr_in);
if ((clntSockfd = accept(servSockfd,
(struct sockaddr *) &clntAddr, &clntLen)) == -1) {
perror("accept failed");
exit(1);
}
printf("Connected from %s\n", inet_ntoa(clntAddr.sin_addr));
if (send(clntSockfd, "Connected!!!\n",
strlen("Connected!!!\n"), 0) == -1) {
perror("send failed");
close(clntSockfd);
exit(1);
}
/* repeat for one clinet service */
while(1) {
/* recv data from the client */
getsockopt(clntSockfd, SOL_SOCKET,SO_SNDBUF,
&senderBuffSize, &optlen); /* check sender buffer size */
printf("optlen: %d", optlen);
recvBuff = malloc(senderBuffSize * sizeof (char));
if ((numBytes =
recv(clntSockfd, recvBuff, senderBuffSize, 0)) == -1) {
perror("recv failed");
exit(1);
}
recvBuff[numBytes] = '\0';
str = malloc(senderBuffSize * sizeof(char));
strncpy(str, recvBuff, numBytes);
str[numBytes] = '\0';
/* send data to the client */
if (send(clntSockfd, str, strlen(str), 0) == -1) {
perror("send failed");
close(clntSockfd);
exit(1);
}
if(DataPrint(recvBuff, str, numBytes)){
fprintf(stderr,"ERROR, no way to print out\n");
exit(1);
}
}
close(clntSockfd);
exit(1);
}
}
