devkitPro

Code: Select all

#include <string.h>
#include <stdio.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <sys/errno.h>
#include <unistd.h>

#include <switch.h>

int runClient(int argc, char *argv[]);

int main(int argc, char **argv)
{
        //consoleDebugInit(debugDevice_SVC);
    //stdout = stderr;

    consoleInit(NULL);

    // Configure our supported input layout: a single player with standard controller styles
    padConfigureInput(1, HidNpadStyleSet_NpadStandard);

    // Initialize the default gamepad (which reads handheld mode inputs as well as the first connected controller)
    PadState pad;
    padInitializeDefault(&pad);

    // Initialise sockets
    socketInitializeDefault();

    printf("Hello World!\n");

    // Display arguments sent from nxlink
    printf("%d arguments\n", argc);

    for (int i=0; i<argc; i++) {
        printf("argv[%d] = %s\n", i, argv[i]);
    }


    // the host ip where nxlink was launched
    printf("nxlink host is %s\n", inet_ntoa(__nxlink_host));

    // redirect stdout & stderr over network to nxlink
    nxlinkStdio();

    // this text should display on nxlink host
    printf("printf output now goes to nxlink server\n");

    // Main loop
    while(appletMainLoop())
    {
        // Scan the gamepad. This should be done once for each frame
        padUpdate(&pad);

        // Your code goes here
        char *clientArgv[] = { "run-client", inet_ntoa(__nxlink_host) };
        runClient(2, clientArgv);

        // padGetButtonsDown returns the set of buttons that have been newly pressed in this frame compared to the previous one
        u32 kDown = padGetButtonsDown(&pad);

        if (kDown & HidNpadButton_Plus) break; // break in order to return to hbmenu

        if (kDown & HidNpadButton_A) {
            printf("A Pressed\n");
        }
        if (kDown & HidNpadButton_B) {
            printf("B Pressed\n");
        }

        consoleUpdate(NULL);
    }

    socketExit();
    consoleExit(NULL);
    return 0;
}

int runClient(int argc, char *argv[])
{
    int sockfd = 0, n = 0;
    char recvBuff[0xFFFF];
    struct sockaddr_in serv_addr;

    if(argc != 2)
    {
        printf("\n Usage: %s <ip of server> \n",argv[0]);
        return 1;
    }

    memset(recvBuff, 0 ,sizeof(recvBuff));
    if((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
    {
        printf("\n Error : Could not create socket \n");
        return 1;
    }

    memset(&serv_addr, 0 , sizeof(serv_addr));

    serv_addr.sin_family = AF_INET;
    serv_addr.sin_port = htons(5000);

    if(inet_pton(AF_INET, argv[1], &serv_addr.sin_addr)<=0)
    {
        printf("\n inet_pton error occured\n");
        close(sockfd);
        return 1;
    }

    if( connect(sockfd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0)
    {
       printf("\n Error : Connect Failed \n");
       close(sockfd);
       return 1;
    }

    while ( (n = recv(sockfd, recvBuff, sizeof(recvBuff)-1, 0)) > 0)
    {
        recvBuff[n] = 0;
        if(fputs(recvBuff, stdout) == EOF)
        {
            printf("\n Error : Fputs error\n");
        }
    }

    if(n < 0)
    {
        printf("\n Read error \n");
    }

    close(sockfd);

    return 0;
}

Code: Select all

00:00:44.315 |W| HLE.OsThread.6 ServiceBsd SocketInternal: socket(InterNetwork, Stream, Tcp)
00:00:44.315 |W| HLE.OsThread.6 ServiceBsd Connect: connect(7)
00:00:44.339 |W| HLE.OsThread.6 ServiceBsd SetSockOpt: setsockopt(7, Tcp, NoDelay)
00:00:44.355 |W| HLE.OsThread.6 ServiceBsd Fcntl: fcntl(7, 3, 0)
00:00:44.355 |W| HLE.OsThread.6 ServiceBsd Fcntl: fcntl(7, 4, 2048)
00:00:44.694 |W| HLE.OsThread.6 ServiceBsd Poll: poll(2, 0)
00:00:44.715 |W| HLE.OsThread.6 ServiceBsd Send: send(7, [None])
00:00:44.751 |W| HLE.OsThread.6 ServiceBsd Poll: poll(2, 0)
00:00:44.767 |W| HLE.OsThread.6 ServiceBsd Recv: recv(7, [None])
00:00:44.779 |W| HLE.OsThread.6 ServiceBsd Poll: poll(2, 0)
00:00:44.780 |W| HLE.OsThread.6 ServiceBsd Recv: recv(7, [None])
00:00:44.790 |W| HLE.OsThread.6 ServiceBsd Poll: poll(2, 0)
00:00:44.790 |W| HLE.OsThread.6 ServiceBsd Recv: recv(7, [None])
...