[Qemu-devel] [PATCH 06/27] slirp: replace trace functions with DEBUG calls

[Marc-André Lureau]

Remove a dependency on QEMU. Use the existing logging facilities.
Set SLIRP_DEBUG=tftp to get tftp log.

Signed-off-by: Marc-André Lureau <address@hidden>
---
 slirp/debug.h      | 13 ++++++++++---
 slirp/slirp.c      |  1 +
 slirp/tftp.c       |  7 ++++---
 Makefile.objs      |  1 -
 slirp/trace-events |  5 -----
 5 files changed, 15 insertions(+), 12 deletions(-)
 delete mode 100644 slirp/trace-events

diff --git a/slirp/debug.h b/slirp/debug.h
index 269d97d8073..f6a048450dd 100644
--- a/slirp/debug.h
+++ b/slirp/debug.h
@@ -8,9 +8,10 @@
 #ifndef DEBUG_H_
 #define DEBUG_H_
 
-#define DBG_CALL 0x1
-#define DBG_MISC 0x2
-#define DBG_ERROR 0x4
+#define DBG_CALL (1 << 0)
+#define DBG_MISC (1 << 1)
+#define DBG_ERROR (1 << 2)
+#define DBG_TFTP (1 << 3)
 
 extern int slirp_debug;
 
@@ -38,4 +39,10 @@ extern int slirp_debug;
     }                                           \
 } while (0)
 
+#define DEBUG_TFTP(fmt, ...) do {               \
+    if (slirp_debug & DBG_TFTP) {               \
+        g_debug(fmt, ##__VA_ARGS__);            \
+    }                                           \
+} while (0)
+
 #endif /* DEBUG_H_ */
diff --git a/slirp/slirp.c b/slirp/slirp.c
index 7b23722d5db..dd72829017f 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -270,6 +270,7 @@ static void slirp_init_once(void)
             { "call", DBG_CALL },
             { "misc", DBG_MISC },
             { "error", DBG_ERROR },
+            { "tftp", DBG_TFTP },
         };
         slirp_debug = g_parse_debug_string(debug, keys, G_N_ELEMENTS(keys));
     }
diff --git a/slirp/tftp.c b/slirp/tftp.c
index a9ba1480db4..6fb381ef337 100644
--- a/slirp/tftp.c
+++ b/slirp/tftp.c
@@ -26,7 +26,6 @@
 #include "slirp.h"
 #include "qemu-common.h"
 #include "qemu/cutils.h"
-#include "trace.h"
 
 static inline int tftp_session_in_use(struct tftp_session *spt)
 {
@@ -205,7 +204,8 @@ static void tftp_send_error(struct tftp_session *spt,
   struct mbuf *m;
   struct tftp_t *tp;
 
-  trace_slirp_tftp_error(msg);
+  DEBUG_TFTP("tftp error msg: %s", msg);
+
   m = m_get(spt->slirp);
 
   if (!m) {
@@ -325,7 +325,8 @@ static void tftp_handle_rrq(Slirp *slirp, struct 
sockaddr_storage *srcsas,
       break;
     }
   }
-  trace_slirp_tftp_rrq(req_fname);
+
+  DEBUG_TFTP("tftp rrq file: %s", req_fname);
 
   /* check mode */
   if ((pktlen - k) < 6) {
diff --git a/Makefile.objs b/Makefile.objs
index 67a054b08af..b7aae33367f 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -192,7 +192,6 @@ trace-events-subdirs += net
 trace-events-subdirs += qapi
 trace-events-subdirs += qom
 trace-events-subdirs += scsi
-trace-events-subdirs += slirp
 trace-events-subdirs += target/arm
 trace-events-subdirs += target/i386
 trace-events-subdirs += target/mips
diff --git a/slirp/trace-events b/slirp/trace-events
deleted file mode 100644
index ff8f656e8c5..00000000000
--- a/slirp/trace-events
+++ /dev/null
@@ -1,5 +0,0 @@
-# See docs/devel/tracing.txt for syntax documentation.
-
-# slirp/tftp.c
-slirp_tftp_rrq(const char *file) "file: %s"
-slirp_tftp_error(const char *file) "msg: %s"
-- 
2.20.1.98.gecbdaf0899