client.cpp

About communication in Vxworks system

#include "Def.h"
#include <string.h>

extern "C" int Client()
{
	int sClient;
	struct sockaddr_in server;
	
    sClient = socket(AF_INET, SOCK_STREAM, 0);
    if (sClient == INVALID_SOCKET)
    {
        printf("socket() failed \n");
        return 1;
    }
    server.sin_family = AF_INET;
    server.sin_port = htons(PORT);
    server.sin_addr.s_addr = inet_addr("127.0.0.1");

    if (connect(sClient, (struct sockaddr*)&server, 
        sizeof(server)) == SOCKET_ERROR)
    {
        printf("connect() failed");
        return 1;
    }
    
    char szMessage[MAX_PACK_SIZE] = {'\0'};
    sprintf(szMessage, "msg from task: %d\0", taskIdSelf());
    do{
	    int ret = send(sClient, szMessage, strlen(szMessage), 0);
	    if(ret == 0)
	    		break;
	    else if (ret == SOCKET_ERROR)
	    {
	        printf("send() failed: %d\n", taskIdSelf());
	        break;
	    }
	    printf("Send %d bytes\n", ret);
  	}while(0);
  	
  	close(sClient);
}