我有一個客戶端和一個服務器,當客戶端連接到服務器時,服務器將讀取一個文本文件,將其轉換爲大寫並將它逐行發送到客戶。 文本文件被命名爲「的text.txt」,看起來像這樣:從winsock發送服務器到客戶端的文本文件
服務器代碼
#include<io.h>
#include<iostream>
#include <string>
#include<fstream>
#include<winsock2.h>
#include<winsock2.h>
#pragma comment(lib,"ws2_32.lib") //Winsock Library
using namespace std;
void stringToUpper(string &s)
{
for(unsigned int l = 0; l < s.length(); l++)
{
s[l] = toupper(s[l]);
}
}
int main()
{
WSADATA wsa;
SOCKET s , new_socket;
struct sockaddr_in server , client;
int c;
char *message;
cout<<"\nInitialising Winsock...";
if (WSAStartup(MAKEWORD(2,2),&wsa) != 0)
{
cout<<"Failed. Error Code"<<WSAGetLastError();
return 1;
}
cout<<"Initialised.\n";
//Create a socket
if((s = socket(AF_INET , SOCK_STREAM , 0)) == INVALID_SOCKET)
{
cout<<"Could not create socket "<< WSAGetLastError();
}
cout<<"Socket created.\n";
//Prepare the sockaddr_in structure
server.sin_family = AF_INET;
server.sin_addr.s_addr = INADDR_ANY;
server.sin_port = htons(8888);
//Bind
if(bind(s ,(struct sockaddr *)&server , sizeof(server)) == SOCKET_ERROR)
{
cout<<"Bind failed with error code : "<< WSAGetLastError();
exit(EXIT_FAILURE);
}
puts("Bind done");
//Listen to incoming connections
listen(s , 3);
//Accept and incoming connection
puts("Waiting for incoming connections...");
c = sizeof(struct sockaddr_in);
while((new_socket = accept(s , (struct sockaddr *)&client, &c)) != INVALID_SOCKET)
{
puts("Connection accepted");
//Reply to the client
string STRING;
ifstream infile;
infile.open ("text.txt");
while(!infile.eof())
{
getline(infile,STRING);
stringToUpper(STRING);
const char *STRING_mod = STRING.c_str();
send(new_socket , STRING_mod , strlen(STRING_mod) , 0);
}
char *end_msg="end";
send(new_socket , end_msg , strlen(end_msg) , 0);
infile.close();
}
if (new_socket == INVALID_SOCKET)
{
cout<<"accept failed with error code : " << WSAGetLastError();
return 1;
}
closesocket(s);
WSACleanup();
return 0;
}
客戶端代碼
#include<iostream>
#include<winsock2.h>
#pragma comment(lib,"ws2_32.lib") //Winsock Library
using namespace std;
int main(int argc , char *argv[])
{
WSADATA wsa;
SOCKET s;
struct sockaddr_in server;
char *message , server_reply[2000];
int recv_size;
printf("\nInitialising Winsock...");
if (WSAStartup(MAKEWORD(2,2),&wsa) != 0)
{
cout<<"Failed. Error Code : "<<WSAGetLastError();
return 1;
}
cout<<"Initialised.\n";
//Create a socket
if((s = socket(AF_INET , SOCK_STREAM , 0)) == INVALID_SOCKET)
{
cout<<"Could not create socket : " << WSAGetLastError();
}
cout<<"Socket created.\n";
server.sin_addr.s_addr = inet_addr("127.0.0.1");
server.sin_family = AF_INET;
server.sin_port = htons(8888);
//Connect to remote server
if (connect(s , (struct sockaddr *)&server , sizeof(server)) < 0)
{
puts("connect error");
return 1;
}
puts("Connected");
recv_size = recv(s, server_reply, 2000, 0);
server_reply[recv_size] = '\0';
while (server_reply != "end"){
cout<<server_reply<<endl;
recv_size = recv(s, server_reply, 2000, 0);
server_reply[recv_size] = '\0';
}
closesocket(s);
WSACleanup();
return 0;
}
時我運行s erver那麼客戶端,我有以下回應:
但這不是必需的行爲,我希望文字出現,因爲它看起來在文本文件中,「逐行」 .... 。那麼我的代碼中的問題在哪裏,我該如何解決它?以及爲什麼客戶停留在while循環?
謝謝。
哇,這是非常豐富的信息,我可以接受這兩個答案接受這個.. ..非常感謝 – OpEtMaR