// Copyright (C) 2013 - Will Glozer. All rights reserved.

#include <errno.h>
#include <unistd.h>
#include <sys/ioctl.h>

#include "net.h"

status sock_connect(connection *c, char *host) {
 return OK;
}

status sock_close(connection *c) {
 return OK;
}

status sock_read(connection *c, size_t *n) {
 ssize_t r = read(c->fd, c->buf, sizeof(c->buf));
 *n = (size_t) r;
 return r >= 0 ? OK : ERROR;
}

status sock_write(connection *c, char *buf, size_t len, size_t *n) {
 ssize_t r;
 if ((r = write(c->fd, buf, len)) == -1) {
 switch (errno) {
 case EAGAIN: return RETRY;
 default: return ERROR;
 }
 }
 *n = (size_t) r;
 return OK;
}

size_t sock_readable(connection *c) {
 int n, rc;
 rc = ioctl(c->fd, FIONREAD, &n);
 return rc == -1 ? 0 : n;
}