tcp client TI - RTOS or freeRtos

/*
 * Copyright (c) 2014-2019, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
 * *  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * *  Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * *  Neither the name of Texas Instruments Incorporated nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 *    ======== tcpEcho.c ========
 *    Contains BSD sockets code.
 */

#include <string.h>
#include <stdint.h>
#include <stdio.h>

#include <pthread.h>
#include <ti/sysbios/BIOS.h>
#include <ti/sysbios/knl/Task.h>
/* BSD support */
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <ti/drivers/timer.h>
#include <netdb.h>
//#include <ti/ndk/inc/socketndk.h>

#include <ti/net/slnetutils.h>

#include <ti/display/Display.h>

#define TCPPACKETSIZE 256
#define NUMTCPWORKERS 3
#define MAXPORTLEN    6

extern Display_Handle display;

extern unsigned char count;

extern void fdOpenSession();
extern void fdCloseSession();
extern void *TaskSelf();

extern uint32_t    inet_addr( const char * );
//extern int         inet_aton( const char *, struct in_addr * );


Display_Handle display;

/*
 *  ======== tcpWorker ========
 *  Task to handle TCP connection. Can be multiple Tasks running
 *  this function.
 */
void *tcpWorker(void *arg0)
{
    int  clientfd = *(int *)arg0;
    int  bytesRcvd;
    int  bytesSent;
    char buffer[TCPPACKETSIZE];

    fdOpenSession(TaskSelf());

    Display_printf(display, 0, 0, "tcpWorker: start clientfd = 0x%x\n",
            clientfd);

    while ((bytesRcvd = recv(clientfd, buffer, TCPPACKETSIZE, 0)) > 0) {
        bytesSent = send(clientfd, buffer, bytesRcvd, 0);
        if (bytesSent < 0 || bytesSent != bytesRcvd) {
            Display_printf(display, 0, 0, "send failed.\n");
            break;
        }
    }
    Display_printf(display, 0, 0, "tcpWorker stop clientfd = 0x%x\n", clientfd);

    close(clientfd);

    fdCloseSession(TaskSelf());

    return (NULL);
}

/*
 *  ======== tcpHandler ========
 *  Creates new Task to handle new TCP connections.
 */
void *tcpHandler(void *arg0)
{
/*
    pthread_t          thread;
    pthread_attr_t     attrs;
    struct sched_param priParam;
    int                retc;
    int                detachState;
    int                status;
    int                server = -1;
    struct addrinfo    hints;
    struct addrinfo    *res, *p;
    struct sockaddr_in clientAddr;
    int                optval;
    static int         clientfd;
    int                optlen = sizeof(optval);
    socklen_t          addrlen = sizeof(clientAddr);
    char               portNumber[MAXPORTLEN];
*/
    int lSocket = -1;

    struct sockaddr_in sLocalAddr;
    int                status;

    while(1){

            fdOpenSession(TaskSelf());

            Display_printf(display, 0, 0, "TCP CLI Echo example started %u\n",(count+1));
            lSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
            if (lSocket < 0) {
                Display_printf(display, 0, 0,"tcpHandler: socket failed (%d)\n",lSocket);
                count = 0;
                goto endsocket;
            } else {
                count++;
                Display_printf(display, 0, 0," %d socket success\n", lSocket);
            }
            memset((char *)&sLocalAddr, 0, sizeof(sLocalAddr));
            sLocalAddr.sin_family = AF_INET;
        //    sLocalAddr.sin_len = sizeof(sLocalAddr);
            sLocalAddr.sin_addr.s_addr = inet_addr("192.168.1.42"); //IP of my computer
            sLocalAddr.sin_port = htons(1000);//arg0);

            if (status = connect(lSocket, (struct sockaddr *)&sLocalAddr, sizeof(sLocalAddr)) < 0){
                Display_printf(display, 0, 0,"(%d ; %d) DID NOT CONNECT \n", lSocket,status);
                count = 0;

            } else {
                Display_printf(display, 0, 0,"(%d) CONNECTED\n",status);

                Task_sleep(3000);
            }
endsocket:
            status = close(lSocket);
            Display_printf(display, 0, 0,"(%d) DISCONNECTED SOC\n",status);

            Task_sleep(1000);
        //    System_flush();

            fdCloseSession(TaskSelf());



    }

    return (NULL);
}