From 66a153c5012f0237bdf67b79b5cc6b2f5f496879 Mon Sep 17 00:00:00 2001
From: Raymaekers Luca <raymaekers.luca@gmail.com>
Date: Thu, 24 Oct 2024 23:14:18 +0200
Subject: Initial draft for v2

This is a rewrite of v1 using arena's as memory allocators.  The other
great difference is using wide strings by default (wchar_t) because that
will be needed in the future to print pretty UIs.
---
 v2/common.h | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 v2/common.h

(limited to 'v2/common.h')

diff --git a/v2/common.h b/v2/common.h
new file mode 100644
index 0000000..0f14329
--- /dev/null
+++ b/v2/common.h
@@ -0,0 +1,55 @@
+#ifndef COMMON_H
+#define COMMON_H
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <time.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <wchar.h>
+
+#define AUTHOR_LEN 13
+#define TIMESTAMP_LEN 9
+// port to listen on
+#define PORT 9983
+// buffer size for holding data received from recv()
+// TODO: choose a good size
+#define STREAM_BUF 256
+// max data received in one recv() call on serverfd
+// TODO: choose a good size
+#define STREAM_LIMIT 512
+// max message that can be displayed with writef()
+#define WRITEF_MAX 256
+
+
+typedef uint8_t u8;
+typedef uint16_t u16;
+typedef uint32_t u32;
+typedef uint64_t u64;
+typedef int8_t s8;
+typedef int16_t s16;
+typedef int32_t s32;
+typedef int64_t s64;
+
+struct Message {
+    u8 author[AUTHOR_LEN];
+    u8 timestamp[TIMESTAMP_LEN];
+    // includes null terminator
+    u16 text_len;
+    wchar_t *text;
+} typedef Message;
+
+#define MESSAGELEN(m) (AUTHOR_LEN + TIMESTAMP_LEN + sizeof(m.text_len)*sizeof(wchar_t) + m.text_len)
+#define MESSAGELENP(m) (AUTHOR_LEN + TIMESTAMP_LEN + sizeof(m->text_len) + m->text_len*(sizeof(wchar_t)))
+
+void message_timestamp(u8 str[TIMESTAMP_LEN])
+{
+    time_t now;
+    struct tm *ltime;
+    time(&now);
+    ltime = localtime(&now);
+    strftime((char *)str, TIMESTAMP_LEN, "%H:%M:%S", ltime);
+}
+
+#endif
-- 
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