116 lines
3.7 KiB
C
Executable File
116 lines
3.7 KiB
C
Executable File
/* myserver.c */
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#define BUF 1024
|
|
#define PORT 6543
|
|
|
|
int main (int argc, char **argv) {
|
|
char* verzeichnis = argv[1];
|
|
char* meinport = argv[2];
|
|
printf("Mein server Verzeichniss: %s\n", verzeichnis);
|
|
printf("Mein server Port: %s\n", meinport);
|
|
int create_socket, new_socket;
|
|
socklen_t addrlen;
|
|
char buffer[BUF];
|
|
int size;
|
|
struct sockaddr_in address, cliaddress;
|
|
|
|
create_socket = socket (AF_INET, SOCK_STREAM, 0);
|
|
|
|
memset(&address,0,sizeof(address));
|
|
address.sin_family = AF_INET;
|
|
address.sin_addr.s_addr = INADDR_ANY;
|
|
address.sin_port = htons (*meinport);
|
|
|
|
if (bind ( create_socket, (struct sockaddr *) &address, sizeof (address)) != 0) {
|
|
perror("bind error");
|
|
return EXIT_FAILURE;
|
|
}
|
|
listen (create_socket, 5);
|
|
|
|
addrlen = sizeof (struct sockaddr_in);
|
|
|
|
while (1) {
|
|
printf("Waiting for connections...\n");
|
|
new_socket = accept ( create_socket, (struct sockaddr *) &cliaddress, &addrlen );
|
|
if (new_socket > 0)
|
|
{
|
|
printf ("Client connected from %s:%d...\n", inet_ntoa (cliaddress.sin_addr),ntohs(cliaddress.sin_port));
|
|
strcpy(buffer,"Welcome to myserver, Please enter your command:\n");
|
|
send(new_socket, buffer, strlen(buffer),0);
|
|
}
|
|
char bufferString[BUF];
|
|
int last = 0;
|
|
int mode = 0;
|
|
do {
|
|
size = read (new_socket, buffer, BUF-1);
|
|
if( size > 0)
|
|
{
|
|
buffer[size] = '\0';
|
|
strcpy(bufferString, buffer);
|
|
|
|
if (strncmp (bufferString, "send", 4) == 0 || mode == 1){
|
|
switch (last)
|
|
{
|
|
case 0:
|
|
last += 1;
|
|
mode = 1;
|
|
printf("\x1B[34m");
|
|
printf("->SEND:\x1B[33m %s\n", bufferString);
|
|
break;
|
|
case 1:
|
|
last += 1;
|
|
printf("\x1B[34m");
|
|
printf("->SEND->Sender wurde eingegeben:\x1B[33m %s\n", bufferString);
|
|
break;
|
|
case 2:
|
|
last += 1;
|
|
printf("\x1B[34m");
|
|
printf("->SEND->Empfänger wurde eingegeben:\x1B[33m %s\n", bufferString);
|
|
break;
|
|
case 3:
|
|
last += 1;
|
|
printf("\x1B[34m");
|
|
printf("->SEND->Betreff wurde eingegeben:\x1B[33m %s\n", bufferString);
|
|
break;
|
|
case 4:
|
|
last = 0;
|
|
mode = 0;
|
|
printf("\x1B[34m");
|
|
printf("->SEND->Nachricht wurde eingegeben:\x1B[33m %s\n", bufferString);
|
|
break;
|
|
}
|
|
}else if (strncmp (bufferString, "list", 4) == 0 ){
|
|
printf("LIST wurde endlich erkannt!\n");
|
|
}else if (strncmp (bufferString, "read", 4) == 0 ){
|
|
printf("READ wurde endlich erkannt!\n");
|
|
} else if (strncmp (bufferString, "del", 4) == 0 ){
|
|
printf("DEL wurde endlich erkannt!\n");
|
|
}else {
|
|
printf ("\x1B[33mBefehl wurde nicht erkannt: \x1B[31m%s\n", bufferString);
|
|
}
|
|
printf("\x1B[37m");
|
|
}
|
|
else if (size == 0)
|
|
{
|
|
printf("Client closed remote socket\n");
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
perror("recv error");
|
|
return EXIT_FAILURE;
|
|
}
|
|
} while ( strncmp (buffer, "quit", 4) != 0);
|
|
close (new_socket);
|
|
}
|
|
close (create_socket);
|
|
return EXIT_SUCCESS;
|
|
}
|