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我已經定義了一個UDP套接字不能設置IP_TTLand IP_TOS setsockopt的
#include<iostream>
#include<WinSock2.h>
sockaddr_in faraddr;
memset(&faraddr, 0, sizeof(sockaddr_in));
unsigned short Port = 6789;
faraddr.sin_family = AF_INET;
faraddr.sin_port = htons(Port);
faraddr.sin_addr.s_addr = inet_addr(Loopbackaddress);
SOCKET XmitSocket;
XmitSocket = socket(AF_INET, SOCK_DGRAM,IPPROTO_UDP);
if (XmitSocket < 0)
{
printf("Socket Creation Failed\n");
}
int nBuffersize = 1024 * 1024;
uint8 nOptVal = 255;
setsockopt(XmitSocket,IPPROTO_IP,IP_TTL, (const char*)&nOptVal, 1);
// 標識符IP_TTL不確定
setsockopt(XmitSocket,SOL_SOCKET,SO_SNDBUF, (const char*)&nBuffersize, 4);
int prio = 6 << 5;//First 3 bits of TOS field
setsockopt(XmitSocket, SOL_IP, IP_TOS, &prio, sizeof(prio));
// 標識符SOL_IP和IP_TOS未定義
我得到編譯錯誤我錯過了一些HeaderFile