我正在尝试实现一个 http get 请求。 但是响应不好，我没有收到get请求内容。
我有以下代码:
WSADATA wsaData;
if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) {
std::cout << "WSAStartup failed.\n";
system("pause");
return 1;
}
SOCKET Socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
struct hostent *host;
host = gethostbyname("www.httpbin.org");
SOCKADDR_IN SockAddr;
SockAddr.sin_port = htons(80);
SockAddr.sin_family = AF_INET;
SockAddr.sin_addr.s_addr = *((unsigned long*)host->h_addr);
std::cout << "Connecting...\n";
if (connect(Socket, (SOCKADDR*)(&SockAddr), sizeof(SockAddr)) != 0){
std::cout << "Could not connect";
system("pause");
return 1;
}
std::cout << "Connected.\n";
const char* httpRequest = "GET / HTTP/1.1\r\nHost:www.httpbin.org/get\r\nConnection: close\r\n\r\n";
send(Socket, httpRequest, strlen(httpRequest), 0);
char buffer[10000];
int nDataLength;
while ((nDataLength = recv(Socket, buffer, 10000, 0)) > 0){
int i = 0;
while (buffer[i] >= 32 || buffer[i] == '\n' || buffer[i] == '\r') {
std::cout << buffer[i];
i += 1;
}
}
closesocket(Socket);
WSACleanup();
system("pause");
return 0;
我不明白为什么我会收到这个:
HTTP/1.1 400 Bad Request
Server: nginx
Date: Thu, 17 Dec 2015 20:49:05 GMT
Connection: close
Content-Type: text/html
Content-Length: 166
<html>
<head><title>400 Bad Request</title></head>
<body bgcolor="white">
<center><h1>400 Bad Request</h1></center>
<hr><center>nginx</center>
</body>
</html>
如果我输入 google.com 就可以了。 我想念什么？ 所以我的第一个问题是错误是什么。 第二个问题是在此代码中添加什么以获取文件。
我替换这一行:
"GET file.txt / HTTP/1.1\r\nHost:www.httpbin.org/get\r\nConnection: close\r\n\r\n"
但它不起作用。
最佳答案
将您的请求字符串更改为此 -->
"GET /get\r\nHost:www.httpbin.org\r\n\r\n"
或
"GET /get\r\nHost:www.httpbin.org\r\nConnection: close\r\n\r\n"
关于c++ - 错误套接字更新 C++，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/34344028/