1 files changed, 22 insertions, 0 deletions
diff --git a/mcproto/frame.ha b/mcproto/frame.ha
new file mode 100644
index 0000000..d5ee4c1
--- /dev/null
+++ b/mcproto/frame.ha
@@ -0,0 +1,22 @@
+use bufio;
+use io;
+use trace;
+
+export fn write_frame(out: io::handle, in: []u8) (void | io::error) = {
+	assert(len(in) <= 0x1fffff, "write_frame: too long");
+	let length_buf: [3]u8 = [0...];
+	let length_buf = length_buf[..0];
+	encode_varint(&length_buf, len(in): i32);
+	io::writeall(out, length_buf)?;
+	io::writeall(out, in)?;
+};
+
+export fn write_packet(out: io::handle, packet_id: i32, payload: []u8)
+		(void | io::error) = {
+	static let packet_buf: [0x1fffff]u8 = [0...];
+
+	let packet = packet_buf[..0];
+	encode_packet(&packet, packet_id, payload);
+
+	write_frame(out, packet)?;
+};