From d27895a0928aa9e66c89636f424a0123704e5372 Mon Sep 17 00:00:00 2001
From: Frederic Robra
Date: Tue, 16 Jul 2019 14:02:43 +0200
Subject: added macros for debugging

---
 src/kernel/dnbd3.h | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

(limited to 'src/kernel/dnbd3.h')

diff --git a/src/kernel/dnbd3.h b/src/kernel/dnbd3.h
index feb09ae..0b225c9 100644
--- a/src/kernel/dnbd3.h
+++ b/src/kernel/dnbd3.h
@@ -32,6 +32,7 @@
 
 
 #define NUMBER_CONNECTIONS 4
+#define DEBUG
 
 
 extern struct workqueue_struct *dnbd3_wq;
@@ -101,4 +102,75 @@ struct dnbd3_cmd {
 };
 
 
+#define _print_sock(level, sock, fmt, ...) \
+	do { \
+		if ((sock)->server->host.type == HOST_IP4) { \
+			printk(level "dnbd%d/%d %pI4:%d: " fmt "\n", (sock)->device->minor, (sock)->sock_nr, (sock)->server->host.addr, (sock)->server->host.port, ## __VA_ARGS__); \
+		} else { \
+			printk(level "dnbd%d/%d %pI6:%d: " fmt "\n", (sock)->device->minor, (sock)->sock_nr, (sock)->server->host.addr, (sock)->server->host.port, ## __VA_ARGS__); \
+		} \
+	} while (0)
+
+#define print_server(level, dev, server, fmt, ...) \
+	do { \
+		if ((server)->host.type == HOST_IP4) { \
+			printk(level "dnbd%d: " fmt " %pI4:%d\n", (dev)->minor, ## __VA_ARGS__, (server)->host.addr, (server)->host.port); \
+		} else { \
+			printk(level "dnbd%d: " fmt " %pI6:%d\n", (dev)->minor, ## __VA_ARGS__, (server)->host.addr, (server)->host.port); \
+		} \
+	} while (0)
+
+
+#ifdef DEBUG
+
+#define debug(fmt, ...) \
+	printk(KERN_DEBUG "dnbd: " fmt "\n", ## __VA_ARGS__)
+
+#define debug_dev(dev, fmt, ...) \
+	printk(KERN_DEBUG "dnbd%d: " fmt "\n", (dev)->minor, ## __VA_ARGS__)
+
+#define debug_sock(sock, fmt, ...) \
+	_print_sock(KERN_DEBUG, sock, fmt, ## __VA_ARGS__)
+
+
+#else
+
+#define debug(fmt, ...)
+
+#define debug_dev(dev, fmt, ...)
+
+#define debug_sock(sock, fmt, ...)
+
+
+#endif
+
+#define info(fmt, ...) \
+	printk(KERN_INFO "dnbd: " fmt "\n", ## __VA_ARGS__)
+
+#define info_dev(dev, fmt, ...) \
+	printk(KERN_INFO "dnbd%d: " fmt "\n", (dev)->minor, ## __VA_ARGS__)
+
+#define info_sock(sock, fmt, ...) \
+	_print_sock(KERN_DEBUG, sock, fmt, ## __VA_ARGS__)
+
+
+#define warn(fmt, ...) \
+	printk(KERN_WARNING "dnbd: " fmt "\n", ## __VA_ARGS__)
+
+#define warn_dev(dev, fmt, ...) \
+	printk(KERN_WARNING "dnbd%d: " fmt "\n", (dev)->minor, ## __VA_ARGS__)
+
+#define warn_sock(sock, fmt, ...) \
+	_print_sock(KERN_WARNING, sock, fmt, ## __VA_ARGS__)
+
+
+#define error(fmt, ...) \
+	printk(KERN_ERR "dnbd: " fmt "\n", ## __VA_ARGS__)
+
+#define error_dev(dev, fmt, ...) \
+	printk(KERN_ERR "dnbd%d: " fmt "\n", (dev)->minor, ## __VA_ARGS__)
+
+#define error_sock(sock, fmt, ...) \
+	_print_sock(KERN_ERR, sock, fmt, ## __VA_ARGS__)
+
 #endif /* DNBD_H_ */
-- 
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