New API: pwrite-device

[libguestfs.git] / daemon / debug.c

diff --git a/daemon/debug.c b/daemon/debug.c
index c0d87da..bca6b9f 100644 (file)
--- a/daemon/debug.c
+++ b/daemon/debug.c
@@ -38,22 +38,27 @@
  * to find out what you can do.
  *
  * Commands always output a freeform string.
+ *
+ * Since libguestfs 1.5.7, the debug command has been enabled
+ * by default for all builds (previously you had to enable it
+ * in configure).  This command is not part of the stable ABI
+ * and may change at any time.
  */
 
-#if ENABLE_DEBUG_COMMAND
 struct cmd {
   const char *cmd;
   char * (*f) (const char *subcmd, int argc, char *const *const argv);
 };
 
 static char *debug_help (const char *subcmd, int argc, char *const *const argv);
+static char *debug_core_pattern (const char *subcmd, int argc, char *const *const argv);
 static char *debug_env (const char *subcmd, int argc, char *const *const argv);
 static char *debug_fds (const char *subcmd, int argc, char *const *const argv);
 static char *debug_ls (const char *subcmd, int argc, char *const *const argv);
 static char *debug_ll (const char *subcmd, int argc, char *const *const argv);
+static char *debug_progress (const char *subcmd, int argc, char *const *const argv);
 static char *debug_segv (const char *subcmd, int argc, char *const *const argv);
 static char *debug_sh (const char *subcmd, int argc, char *const *const argv);
-static char *debug_core_pattern (const char *subcmd, int argc, char *const *const argv);
 
 static struct cmd cmds[] = {
   { "help", debug_help },
@@ -62,22 +67,15 @@ static struct cmd cmds[] = {
   { "fds", debug_fds },
   { "ls", debug_ls },
   { "ll", debug_ll },
+  { "progress", debug_progress },
   { "segv", debug_segv },
   { "sh", debug_sh },
   { NULL, NULL }
 };
-#endif
-
-#if ! ENABLE_DEBUG_COMMAND
-# define MAYBE_UNUSED ATTRIBUTE_UNUSED
-#else
-# define MAYBE_UNUSED /* empty */
-#endif
 
 char *
-do_debug (const char *subcmd MAYBE_UNUSED, char *const *argv MAYBE_UNUSED)
+do_debug (const char *subcmd, char *const *argv)
 {
-#if ENABLE_DEBUG_COMMAND
   int argc, i;
 
   for (i = argc = 0; argv[i] != NULL; ++i)
@@ -90,13 +88,8 @@ do_debug (const char *subcmd MAYBE_UNUSED, char *const *argv MAYBE_UNUSED)
 
   reply_with_error ("use 'debug help' to list the supported commands");
   return NULL;
-#else
-  reply_with_error ("guestfsd was not configured with --enable-debug-command");
-  return NULL;
-#endif
 }
 
-#if ENABLE_DEBUG_COMMAND
 static char *
 debug_help (const char *subcmd, int argc, char *const *const argv)
 {
@@ -341,6 +334,37 @@ debug_ll (const char *subcmd, int argc, char *const *const argv)
   return out;
 }
 
+/* Generate progress notification messages in order to test progress bars. */
+static char *
+debug_progress (const char *subcmd, int argc, char *const *const argv)
+{
+  if (argc < 1) {
+  error:
+    reply_with_error ("progress: expecting arg (time in seconds as string)");
+    return NULL;
+  }
+
+  char *secs_str = argv[0];
+  unsigned secs;
+  if (sscanf (secs_str, "%u", &secs) != 1 || secs == 0)
+    goto error;
+
+  unsigned i;
+  unsigned tsecs = secs * 10;   /* 1/10ths of seconds */
+  for (i = 1; i <= tsecs; ++i) {
+    usleep (100000);
+    notify_progress ((uint64_t) i, (uint64_t) tsecs);
+  }
+
+  char *ret = strdup ("ok");
+  if (ret == NULL) {
+    reply_with_perror ("strdup");
+    return NULL;
+  }
+
+  return ret;
+}
+
 /* Enable core dumping to the given core pattern.
  * Note that this pattern is relative to any chroot of the process which
  * crashes. This means that if you want to write the core file to the guest's
@@ -391,22 +415,17 @@ debug_core_pattern (const char *subcmd, int argc, char *const *const argv)
   return ret;
 }
 
-#endif /* ENABLE_DEBUG_COMMAND */
-
-#if ENABLE_DEBUG_COMMAND
 static int
 write_cb (void *fd_ptr, const void *buf, size_t len)
 {
   int fd = *(int *)fd_ptr;
   return xwrite (fd, buf, len);
 }
-#endif
 
 /* Has one FileIn parameter. */
 int
-do_debug_upload (const char *filename MAYBE_UNUSED, int mode MAYBE_UNUSED)
+do_debug_upload (const char *filename, int mode)
 {
-#if ENABLE_DEBUG_COMMAND
   /* Not chrooted - this command lets you upload a file to anywhere
    * in the appliance.
    */
@@ -445,8 +464,4 @@ do_debug_upload (const char *filename MAYBE_UNUSED, int mode MAYBE_UNUSED)
   }
 
   return 0;
-#else
-  reply_with_error ("guestfsd was not configured with --enable-debug-command");
-  return NULL;
-#endif
 }