/*
 * Socket interface API
 */
#include <netdb.h>              /* getaddrinfo() */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>

#include "nvt_log.h"
#include "nvt_socket.h"


int socket_create_client(const char *addr)
{
    char            host[64], port[64];
    struct hostent *server;
    struct sockaddr_in serveraddr;
    int             sockfd, err;

    sscanf(addr, "%63[^:]:%63s", host, port);

    server = gethostbyname(host);
    if (server == NULL)
    {
        nvt_log(LOG_ERR, "Cannot resolve host name: %m\n");
        return -1;
    }

    sockfd = socket(AF_INET, SOCK_STREAM, 0);
    if (sockfd < 0)
    {
        nvt_log(LOG_ERR, "Socket open failed: %m\n");
        return sockfd;
    }

    bzero((char *)&serveraddr, sizeof(serveraddr));
    serveraddr.sin_family = AF_INET;
    bcopy((char *)server->h_addr, (char *)&serveraddr.sin_addr.s_addr,
          server->h_length);
    serveraddr.sin_port = htons(atoi(port));

    err = connect(sockfd, (struct sockaddr *)&serveraddr, sizeof(serveraddr));
    if (err < 0)
    {
        nvt_log(LOG_ERR, "Failed to connect to: %s: %m\n", addr);
        close(sockfd);
        return -1;
    }

    return sockfd;
}