/*
* Write data to file from buffer
*/
ssize_t
buffer_write(struct Buffer *buffer, int fd) {
ssize_t bytes;
struct iovec iov[2];
bytes = writev(fd, iov, setup_read_iov(buffer, iov, 0));
if (bytes > 0)
advance_read_position(buffer, bytes);
return bytes;
}
size_t
buffer_peek(const struct Buffer *src, void *dst, size_t len) {
struct iovec iov[2];
size_t bytes_copied = 0;
size_t iov_len = setup_read_iov(src, iov, len);
for (size_t i = 0; i < iov_len; i++) {
memcpy((char *)dst + bytes_copied, iov[i].iov_base, iov[i].iov_len);
bytes_copied += iov[i].iov_len;
}
return bytes_copied;
}
ssize_t
buffer_send(struct Buffer *buffer, int sockfd, int flags) {
ssize_t bytes;
struct iovec iov[2];
struct msghdr msg;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_iov = iov;
msg.msg_iovlen = setup_read_iov(buffer, iov, 0);
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
bytes = sendmsg(sockfd, &msg, flags);
buffer->last_send = ev_now(EV_DEFAULT);
if (bytes > 0)
advance_read_position(buffer, bytes);
return bytes;
}
ssize_t
buffer_send(struct Buffer *buffer, int sockfd, int flags) {
ssize_t bytes;
struct iovec iov[2];
struct msghdr msg;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_iov = iov;
msg.msg_iovlen = setup_read_iov(buffer, iov, 0);
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
bytes = sendmsg(sockfd, &msg, flags);
if (clock_gettime(CLOCK_MONOTONIC, &buffer->last_send) < 0)
err("clock_gettime() failed: %s", strerror(errno));
if (bytes > 0)
advance_read_position(buffer, bytes);
return bytes;
}
