void http_response_send(http_response *response, int socket_fd) {
char *serialized_headers = http_response_serialize_headers(response);
if (send(socket_fd, serialized_headers, strlen(serialized_headers), 0) == -1) {
err("can not send headers");
}
free(serialized_headers);
if (response->file_path) {
struct stat st;
if (stat(response->file_path, &st) == 0) {
int file_fd = open(response->file_path, O_RDONLY);
off_t offset = 0;
off_t len = st.st_size;
xsendfile(socket_fd, file_fd, &offset, len);
}
} else if (response->raw_response) {
if (send(socket_fd, response->raw_response, strlen(response->raw_response), 0) == -1) {
err("can not send headers");
}
}
}
static size_t restore(const char *filename, int fd) {
int ifd = xopen(filename, O_RDONLY);
size_t size = lseek(ifd, 0, SEEK_END);
lseek(ifd, 0, SEEK_SET);
xsendfile(fd, ifd, NULL, size);
close(ifd);
return size;
}