我有一個實現在大學項目中做,我不知道如何avchive它!我的問題就像標題所說的那樣,通過套接字將C++與android連接起來。通過TCP與c + +(套接字服務器)conect android(套接字客戶端)
C++必須管理至少一對套接字客戶端(android設備)或更多。 所以我儘量...
#include <iostream>
#include<string.h>
#include<sys/types.h>
#include<sys/socket.h>
#include<netinet/in.h>
#include<arpa/inet.h>
#include<stdlib.h>
#include<unistd.h>
using namespace std;
int main()
{
int client, server;
int portnum = 1500;
bool isExit = false;
int bufsize = 1024;
char buffer[bufsize];
struct sockaddr_in server_addr;
socklen_t size;
//init socekt
client = socket(AF_INET, SOCK_STREAM, 0);
if(client < 0){
cout << "Error Estableciendo la conexion" << endl;
}
cout <<"server Socket conexion creada" << endl;
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = htons(INADDR_ANY);
server_addr.sin_port = htons(portnum);
//biding soket
if(bind(client,(struct sockaddr*)&server_addr,sizeof(server_addr)) < 0){
cout << "Error Biding Socket" << endl;
exit(1);
}
size= sizeof(server_addr);
cout << "buscando clientes" << endl;
//escuchando sokets
listen(client,1);
//accept client
server = accept(client, (struct sockaddr*)&server_addr, &size);
if(server < 0){
cout<< "Error al Aceptar" << endl;
exit(1);
}
while(server >0){
strcpy(buffer,"server conectado---\n");
send(server,buffer,bufsize,0);
cout <<"conectado con el cliente" << endl;
cout << "Ingresad # paara terminar la conexion" << endl;
cout <<"client: ";
do{
recv(server,buffer,bufsize,0);
cout << "buffer" << " ";
if(*buffer == '#'){
*buffer = '*';
isExit=true;
}
}while(*buffer != '*');
do{
cout << "\n server: ";
do{
cin >> buffer;
send(server,buffer,bufsize,0);
if(*buffer == '#'){
send(server,buffer,bufsize,0);
*buffer = '*';
isExit=true;
}
}while(*buffer != '*');
cout << "Client: ";
do{
recv(server,buffer,bufsize,0);
cout << buffer << " ";
if(*buffer == '#'){
*buffer = '*';
isExit = true;
}
}while(*buffer != '*');
}while(isExit);
cout << "Conection Terminated..." << endl;
cout << "Goodbye..." << endl;
isExit =false;
exit(1);
}
close(client);
return 0;
}
聽每一個連接如(請如果你看到我的代碼不好邏輯讓我知道,我需要做什麼來解決它)
和Android的我做這樣的事情的,其僅用於測試的活動稱爲類...
import java.net.Socket;
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class Socktest {
public void prueba() {
try {
Socket sock = new Socket("127.0.0.1",1234);
// Your Java Code Verbatim:
BufferedReader br = new BufferedReader(new InputStreamReader(sock.getInputStream()));
String test = br.readLine();
System.out.println(test);
sock.close();
} catch (Exception ex) {
System.out.println(ex.getCause().toString());
}
}
}
(請如果你看到不好的邏輯讓我knowit因爲我想學習更多的從自己的失敗)
和服務器進展良好,當我編譯時,它的站立,以recive新的連接,但是當一個luch的android活動,我運行「連接類」它說訪問被拒絕,我正在對linux mint工作,如果那..
我將與你coments,建議和意見gratfull。
它看起來像在服務器上將portnum設置爲1500,但客戶端正試圖連接到端口1234.另外,客戶端正嘗試連接到本地主機(127.0.0.1),因此除非在相同的代碼上運行Java代碼機器作爲服務器,它不會工作 –
'套接字襪子=新的套接字(「127.0.0.1」,1234);'這條線是你的問題在這裏,'127 .0.0。1'是本地環路IP,它實際上是映射到它正在運行的設備的IP地址 – Bhargav
您的監聽套接字稱爲「客戶端」。它不是客戶。您正在監聽一個端口並嘗試連接另一個端口。 – EJP