67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <arpa/inet.h>
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
|
|
bool socketError = false;
|
|
|
|
int DDV_Listen(int port){
|
|
int s = socket(AF_INET, SOCK_STREAM, 0);
|
|
|
|
struct sockaddr_in addr;
|
|
addr.sin_family = AF_INET;
|
|
addr.sin_port = htons(port);//port 8888
|
|
inet_pton(AF_INET, "0.0.0.0", &addr.sin_addr);//listen on all interfaces
|
|
int ret = bind(s, (sockaddr*)&addr, sizeof(addr));//bind to all interfaces, chosen port
|
|
if (ret == 0){
|
|
ret = listen(s, 100);//start listening, backlog of 100 allowed
|
|
if (ret == 0){
|
|
return s;
|
|
}else{
|
|
printf("Listen failed! Error: %s\n", strerror(errno));
|
|
close(s);
|
|
return 0;
|
|
}
|
|
}else{
|
|
printf("Binding failed! Error: %s\n", strerror(errno));
|
|
close(s);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
int DDV_Accept(int sock){
|
|
return accept(sock, 0, 0);
|
|
}
|
|
|
|
bool DDV_write(void * buffer, int width, int count, int sock){
|
|
int sofar = 0;
|
|
int todo = width*count;
|
|
while (sofar != todo){
|
|
int r = send(sock, (char*)buffer + sofar, todo-sofar, 0);
|
|
if (r <= 0){
|
|
socketError = true;
|
|
printf("Could not write! %s\n", strerror(errno));
|
|
return false;
|
|
}
|
|
sofar += r;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool DDV_read(void * buffer, int width, int count, int sock){
|
|
int sofar = 0;
|
|
int todo = width*count;
|
|
while (sofar != todo){
|
|
int r = recv(sock, (char*)buffer + sofar, todo-sofar, 0);
|
|
if (r <= 0){
|
|
socketError = true;
|
|
printf("Could not read! %s\n", strerror(errno));
|
|
return false;
|
|
}
|
|
sofar += r;
|
|
}
|
|
return true;
|
|
}
|