#include "dccp.h"
#include <netdb.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <time.h>
#include <sys/time.h>
#include <stdio.h>

int dccp_send(int sockfd, char* buffer, int bufsize, int priority)
{
	struct msghdr msg;
	struct iovec iov[1];
	iov[0].iov_base=buffer;
	iov[0].iov_len=bufsize;
	msg.msg_iov=iov;
	msg.msg_iovlen=1;
	msg.msg_name=NULL;
	msg.msg_namelen=0;

	struct cmsghdr	*cmsg;
	uint8_t	cmsg_area[CMSG_SPACE(sizeof(__u32))];

	/* Fill ins information required by CMSG_FIRSTHDR() */
	msg.msg_control    = cmsg_area;
	msg.msg_controllen = sizeof cmsg_area;

	cmsg = CMSG_FIRSTHDR(&msg);
	cmsg->cmsg_level = SOL_DCCP;
	cmsg->cmsg_type	 = DCCP_SCM_PRIORITY;
	cmsg->cmsg_len	 = CMSG_LEN(sizeof(__u32));

	/* update the total length value */
	msg.msg_controllen = cmsg->cmsg_len;

	__u32 *prio = (__u32*)CMSG_DATA(cmsg);
	*prio=priority;
	errno=0;
	return sendmsg(sockfd, &msg, 0);
}

int dccp_connect(int sockfd, char* address, char* port)
{
	struct addrinfo *hostinfo;
	getaddrinfo(address, port, NULL, &hostinfo);
	return connect(sockfd, hostinfo->ai_addr, hostinfo->ai_addrlen);
}