From 7a8bee84bd1f41bf349f9077617e20c3560b7c62 Mon Sep 17 00:00:00 2001
From: David Härdeman <david@hardeman.nu>
Date: Tue, 23 Jun 2020 15:19:44 +0200
Subject: Split out rcon protocol handling to separate file

---
 rcon-protocol.h | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 rcon-protocol.h

(limited to 'rcon-protocol.h')

diff --git a/rcon-protocol.h b/rcon-protocol.h
new file mode 100644
index 0000000..fd83d79
--- /dev/null
+++ b/rcon-protocol.h
@@ -0,0 +1,38 @@
+#ifndef foorconprotocolhfoo
+#define foorconprotocolhfoo
+
+enum rcon_packet_type {
+	RCON_PACKET_LOGIN	= 3,
+	RCON_PACKET_LOGIN_OK	= 2,
+	RCON_PACKET_LOGIN_FAIL	= -1,
+	RCON_PACKET_COMMAND	= 2,
+	RCON_PACKET_RESPONSE	= 0,
+};
+
+#define RCON_INT_LEN 4
+
+#define RCON_END_LEN 2
+
+#define RCON_HDR_LEN 4
+
+/* header + reqid + type + end */
+#define RCON_PKT_MIN_LEN (RCON_HDR_LEN + 2 * RCON_INT_LEN + RCON_END_LEN)
+
+static inline size_t
+rcon_protocol_packet_len(size_t msglen)
+{
+	/* header + reqid + type + msg + end */
+	return (RCON_PKT_MIN_LEN + msglen);
+}
+
+bool rcon_protocol_create_packet(char *buf, size_t len, size_t *rlen,
+				 int32_t reqid, enum rcon_packet_type type,
+				 const char *msg);
+
+int32_t rcon_protocol_packet_complete(const char *buf, size_t len);
+
+bool rcon_protocol_read_packet(const char *buf, size_t len, int32_t *id,
+			       int32_t *type, const char **rmsg,
+			       const char **error);
+
+#endif
-- 
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