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tcphandler.c
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tcphandler.c
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#include <arpa/inet.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>
#include "util.h"
#include "config.h"
struct sockaddr_in servaddr;
static char recvdata[4096];
static int sockfd;
int createSocket()
{
// setup socket
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0) {
error("socket");
}
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(HUE_PORT);
if (inet_pton(AF_INET, HUE_IP_ADDR, &servaddr.sin_addr) <= 0)
error("converting (inet_pton)");
if (connect(sockfd, (struct sockaddr *) &servaddr, sizeof(servaddr)) < 0)
error("connecting to bridge");
return 0;
}
char *RequestHandler(const char *request)
{
int n;
unsigned long int w;
// tcp communication handling
if ( (w = write(sockfd, request, strlen(request))) != strlen(request))
error("sending data");
while ((n = read(sockfd, recvdata, 4095)) > 0) {}
if (n < 0) {
error("receiving data");
}
close(sockfd);
return recvdata;
}