From aaeac2ad7ff49d438a9b45c2bfbc1cc1f3ac90fc Mon Sep 17 00:00:00 2001
From: SuperNovaa41 <supernovaa41@gmx.com>
Date: Wed, 29 Jan 2025 10:38:30 -0500
Subject: [PATCH] setup response header struct

---
 src/headers.c         |  3 ++
 src/include/headers.h | 89 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 92 insertions(+)
 create mode 100644 src/headers.c
 create mode 100644 src/include/headers.h

diff --git a/src/headers.c b/src/headers.c
new file mode 100644
index 0000000..3148e7c
--- /dev/null
+++ b/src/headers.c
@@ -0,0 +1,3 @@
+#include "include/headers.h"
+
+
diff --git a/src/include/headers.h b/src/include/headers.h
new file mode 100644
index 0000000..b9bc7ef
--- /dev/null
+++ b/src/include/headers.h
@@ -0,0 +1,89 @@
+#include <stdlib.h>
+
+#ifndef HEADERS_H
+#define HEADERS_H
+
+/**
+ * Response Headers
+ */
+typedef enum { 
+	BYTES, // bytes
+	NONE // none
+} accept_ranges_t;
+
+struct response_headers {
+	/**
+	 * Accept-Ranges: ...
+	 *
+	 * If we should accept a range request for a resource, defaults to NONE
+	 *
+	 * 
+	 */
+	accept_ranges_t accept_ranges; 
+
+	/**
+	 * Age: ...
+	 *
+	 * represents time in seconds
+	 *
+	 * time since the response was generated, this is for cached responses,
+	 * if we are cacheing, this header is REQUIRED
+	 */
+	uint age; 
+
+	/**
+	 * ETag: ...
+	 *
+	 * Current value of the entity tag for the requested tag
+	 * only useful if we're sending an entity body+header aswell
+	 */
+	const char* etag;
+
+	/**
+	 * Location: absoluteURI
+	 *
+	 * For 201 (created), this should be the new source that was created
+	 * for 3xx this should indicate the servers preferred URI for automatic redirection
+	 */
+	const char* location;
+
+	/**
+	 * Proxy-Authenticate: ...
+	 *
+	 * For 407 this is a required field
+	 */
+	const char* proxy_authenticate;
+
+	/**
+	 * Retry-After: (HTTP-date | delta-seconds)
+	 *
+	 * can be used with a 503 to indicate how long its expeccted to be unavailable
+	 * may be used with 3xx to tell how long to wait before redirecting
+	 */
+	const char* retry_after;
+
+	/**
+	 * Server: product/version ...
+	 *
+	 * Information about the HTTP server
+	 */
+	const char* server;
+
+	/**
+	 * Vary: (* | field-name)
+	 *
+	 * This is for a cacheable (or non cacheable reponse)
+	 * that is subject to server-driven negotiation
+	 */
+	const char* vary;
+
+	/**
+	 * WWW-Authenticate: ...
+	 * 
+	 * required for 401 
+	 */
+	const char* www_authenticate;
+
+};
+
+#endif