From 47d4780eb448f839fc6b0644135395f879080ba4 Mon Sep 17 00:00:00 2001
From: Jesper Jensen <jesper@jnsn.dev>
Date: Sun, 23 Jul 2023 12:15:34 +0200
Subject: I don't remember

---
 src/proto.h.orig | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 src/proto.h.orig

(limited to 'src/proto.h.orig')

diff --git a/src/proto.h.orig b/src/proto.h.orig
new file mode 100644
index 0000000..ce2a713
--- /dev/null
+++ b/src/proto.h.orig
@@ -0,0 +1,78 @@
+#pragma once 
+
+#include "routing.h"
+#include <sys/socket.h>
+#include <arpa/inet.h>
+
+// 192.0.2.0
+#define UNDEF_ADDR (struct in_addr){0xC0000200}
+#define MAX_DISC 32
+#define MAX_INFLIGHT 32
+
+#define PROTO_UNCTM 60
+#define PROTO_TMOUT 5
+
+struct ping {
+	struct nodeid remote_id;
+	int attempt;
+	bool is_new;
+};
+
+union message_cont {
+	struct ping ping;
+};
+
+struct dht;
+struct msgbuff;
+
+#define PROCESS_REPONSE(NAME) int (NAME)(struct dht* dht, time_t now, union message_cont* cont, char* packet, size_t packet_len, int socket, struct sockaddr* remote, socklen_t remote_len, struct msgbuff* msgbuff)
+typedef PROCESS_REPONSE(resp);
+
+#define PROCESS_TIMEOUT(NAME) int (NAME)(struct dht* dht, struct nodeid* self, time_t now, union message_cont* cont, struct msgbuff* msgbuff)
+typedef PROCESS_TIMEOUT(tmout);
+
+struct dht {
+	struct nodeid self;
+	int sfd;
+
+	bool pause;
+
+	bool reqalloc[MAX_INFLIGHT];
+	struct {
+		struct sockaddr_storage addr;
+		socklen_t addr_len;
+		resp* fun;
+		time_t timeout;
+		tmout* timeout_fun;
+		union message_cont cont;
+	} requestdata[MAX_INFLIGHT];
+};
+
+// @HACK: This isn't true anymore
+// The longest message we can send is probably a response to find_node which
+// consists of:
+//   d1:t         <--   4 bytes
+//   <tid length> <--   2 bytes
+//   :            <--   1 byte
+//   <tid>        <--  16 bytes*
+//   1:y1:r1:r    <--   9 bytes
+//   d2:id20:     <--   8 bytes
+//   <our nodeid> <--  20 bytes
+//   5:nodes208:  <--  11 bytes
+//   <payload>    <-- 208 bytes
+//   ee            <--  2 bytes
+//   TOTAL            281 bytes
+struct message {
+<<<<<<< HEAD
+	char payload[1024];
+=======
+	char payload[281];
+>>>>>>> 685b13e (I don't remember)
+	size_t payload_len;
+	struct sockaddr_storage dest;
+	socklen_t dest_len;
+};
+
+void proto_begin(struct dht* dht, time_t now, struct message** output, const struct message* const output_end);
+int proto_run(struct dht* dht, char* buffer, size_t buffer_len, struct sockaddr_in* remote, socklen_t remote_len, time_t now, struct message** output, const struct message* const output_end);
+void proto_end(struct dht* dht);
-- 
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