1 files changed, 55 insertions, 0 deletions
diff --git a/src/tools/rbd_ggate/debug.cc b/src/tools/rbd_ggate/debug.cc
new file mode 100644
index 00000000..b675ba5b
--- /dev/null
+++ b/src/tools/rbd_ggate/debug.cc
@@ -0,0 +1,55 @@
+#include "common/debug.h"
+#include "common/errno.h"
+#include "debug.h"
+
+#define dout_context g_ceph_context
+#define dout_subsys ceph_subsys_rbd
+#undef dout_prefix
+#define dout_prefix *_dout << "rbd::ggate: "
+
+extern "C" void debugv(int level, const char *fmt, va_list ap) {
+    char *msg;
+    int saved_errno = errno;
+
+    if (g_ceph_context == nullptr) {
+        return;
+    }
+
+    vasprintf(&msg, fmt, ap);
+
+    dout(ceph::dout::need_dynamic(level)) << msg << dendl;
+
+    free(msg);
+    errno = saved_errno;
+}
+
+extern "C" void debug(int level, const char *fmt, ...) {
+    va_list ap;
+
+    va_start(ap, fmt);
+    debugv(level, fmt, ap);
+    va_end(ap);
+}
+
+extern "C" void errx(const char *fmt, ...) {
+    va_list ap;
+
+    va_start(ap, fmt);
+    debugv(-1, fmt, ap);
+    va_end(ap);
+}
+
+extern "C" void err(const char *fmt, ...) {
+    va_list ap;
+    char *msg;
+    int saved_errno = errno;
+
+    va_start(ap, fmt);
+    vasprintf(&msg, fmt, ap);
+    va_end(ap);
+    errno = saved_errno;
+
+    errx("%s: %s", msg, cpp_strerror(errno).c_str());
+
+    free(msg);
+}