C語言socket編程開發應用示例
C語言socket編程該如何開發呢,下面小編為大家帶來了C語言socket編程開發應用示例,歡迎大家閱讀!
C語言socket編程開發應用示例
實現步驟:
1. Server端
復制代碼 代碼如下:
#include /pic/p>
#include /pic/p>
#pragma comment (lib, "ws2_32") /pic/p>
復制代碼 代碼如下:
int main()
{
WSADATA wsaData;
WSAStartup(MAKEWORD(2, 2), &wsaData);
SOCKET s=socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
sockaddr_in sockaddr;
sockaddr.sin_family=PF_INET;
sockaddr.sin_addr.S_un.S_addr=inet_addr("127.0.0.1"); /pic/p>
sockaddr.sin_port=htons(9000); /pic/p>
bind(s, (SOCKADDR*)&sockaddr, sizeof(SOCKADDR)); /pic/p>
listen(s, 1); /pic/p>
printf("listening on port [%d].n", 9000);
while(TRUE)
{
SOCKADDR clientAddr;
int size=sizeof(SOCKADDR);
SOCKET clientsocket;
clientsocket=accept(s, &clientAddr, &size); /pic/p>
printf("***SYS*** New client touched.n");
char* msg="Hello, my client.rn";
send(clientsocket, msg, strlen(msg)+sizeof(char), NULL); /pic/p>
printf("***SYS*** HELLO.n");
while(TRUE)
{
char buffer[MAXBYTE]={0};
recv(clientsocket, buffer, MAXBYTE, NULL); /pic/p>
printf("***Client*** %sn", buffer);
}
closesocket(clientsocket); /pic/p>
}
closesocket(s);/pic/p>
WSACleanup(); /pic/p>
get);
exit(0);
}
由于還在學習中,因此沒有實現多線程,因此客戶端實際上只能1個,其他的會被擋在外面
關于socket的緩沖區還有點學問,比如最后要rn結尾等,都是有原因的,建議看看資料。
2. Client端
復制代碼 代碼如下:
#include /pic/p>
#include /pic/p>
#include /pic/p>
#pragma comment (lib, "ws2_32") /pic/p>
復制代碼 代碼如下:
int main()
{
Sleep(2000); /pic/p>
WSADATA wsaData;
WSAStartup(MAKEWORD(2, 2), &wsaData);
SOCKET s=socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
sockaddr_in sockaddr;
sockaddr.sin_family=PF_INET;
sockaddr.sin_addr.S_un.S_addr=inet_addr("127.0.0.1");
sockaddr.sin_port=htons(9000);
connect(s, (SOCKADDR*)&sockaddr, sizeof(SOCKADDR));
char buffer[MAXBYTE]={0};
recv(s, buffer, MAXBYTE, NULL);
printf("***SERVER***%s", buffer);
while(TRUE)
{
char* mymsg=new char[100000];
printf("You can chat with server now:n");
gets(mymsg);
send(s, mymsg, strlen(mymsg)+sizeof(char), NULL);
/*
recv函數中的bufferlength參數是可以固定值的
send函數中的bufferlength參數不能固定值,需要看實際長度,并且考慮到''字符串
*/
}
closesocket(s);
WSACleanup();
get);
exit(0);
}
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