#include <sys/stat.h>
#include <sys/select.h>
#include <dirent.h>
-#include <signal.h>
#include <assert.h>
#include <rpc/types.h>
#include "glthread/lock.h"
#include "hash.h"
#include "hash-pjw.h"
-#include "ignore-value.h"
#include "guestfs.h"
#include "guestfs-internal.h"
g->error_cb_data = NULL;
g->recovery_proc = 1;
+ g->autosync = 1;
str = getenv ("LIBGUESTFS_DEBUG");
g->verbose = str != NULL && STREQ (str, "1");
guestfs___free_inspect_info (g);
/* Try to sync if autosync flag is set. */
- if (g->autosync && g->state == READY) {
- guestfs_umount_all (g);
- guestfs_sync (g);
- }
+ if (g->autosync && g->state == READY)
+ guestfs_internal_autosync (g);
/* Remove any handlers that might be called back before we kill the
* subprocess.
return g->last_error;
}
+int
+guestfs_last_errno (guestfs_h *g)
+{
+ return g->last_errnum;
+}
+
static void
-set_last_error (guestfs_h *g, const char *msg)
+set_last_error (guestfs_h *g, int errnum, const char *msg)
{
free (g->last_error);
g->last_error = strdup (msg);
+ g->last_errnum = errnum;
}
static void
}
void
-guestfs_error (guestfs_h *g, const char *fs, ...)
+guestfs_error_errno (guestfs_h *g, int errnum, const char *fs, ...)
{
va_list args;
char *msg;
if (err < 0) return;
+ /* set_last_error first so that the callback can access the error
+ * message and errno through the handle if it wishes.
+ */
+ set_last_error (g, errnum, msg);
if (g->error_cb) g->error_cb (g, g->error_cb_data, msg);
- set_last_error (g, msg);
free (msg);
}
strcat (msg, ": ");
strcat (msg, buf);
+ /* set_last_error first so that the callback can access the error
+ * message and errno through the handle if it wishes.
+ */
+ set_last_error (g, errnum, msg);
if (g->error_cb) g->error_cb (g, g->error_cb_data, msg);
- set_last_error (g, msg);
free (msg);
}
return p;
}
+char *
+guestfs_safe_asprintf (guestfs_h *g, const char *fs, ...)
+{
+ va_list args;
+ char *msg;
+
+ va_start (args, fs);
+ int err = vasprintf (&msg, fs, args);
+ va_end (args);
+
+ if (err == -1)
+ g->abort_cb ();
+
+ return msg;
+}
+
void
guestfs_set_out_of_memory_handler (guestfs_h *g, guestfs_abort_cb cb)
{
return g->enable_network;
}
+int
+guestfs__set_attach_method (guestfs_h *g, const char *method)
+{
+ if (STREQ (method, "appliance")) {
+ g->attach_method = ATTACH_METHOD_APPLIANCE;
+ free (g->attach_method_arg);
+ g->attach_method_arg = NULL;
+ }
+ else if (STRPREFIX (method, "unix:") && strlen (method) > 5) {
+ g->attach_method = ATTACH_METHOD_UNIX;
+ free (g->attach_method_arg);
+ g->attach_method_arg = safe_strdup (g, method + 5);
+ /* Note that we don't check the path exists until launch is called. */
+ }
+ else {
+ error (g, "invalid attach method: %s", method);
+ return -1;
+ }
+
+ return 0;
+}
+
+char *
+guestfs__get_attach_method (guestfs_h *g)
+{
+ char *ret;
+
+ switch (g->attach_method) {
+ case ATTACH_METHOD_APPLIANCE:
+ ret = safe_strdup (g, "appliance");
+ break;
+
+ case ATTACH_METHOD_UNIX:
+ ret = safe_malloc (g, strlen (g->attach_method_arg) + 5 + 1);
+ strcpy (ret, "unix:");
+ strcat (ret, g->attach_method_arg);
+ break;
+
+ default: /* keep GCC happy - this is not reached */
+ abort ();
+ }
+
+ return ret;
+}
+
void
guestfs_set_log_message_callback (guestfs_h *g,
guestfs_log_message_cb cb, void *opaque)
else
return NULL;
}
+
+/* When tracing, be careful how we print BufferIn parameters which
+ * usually contain large amounts of binary data (RHBZ#646822).
+ */
+void
+guestfs___print_BufferIn (FILE *out, const char *buf, size_t buf_size)
+{
+ size_t i;
+ size_t orig_size = buf_size;
+
+ if (buf_size > 256)
+ buf_size = 256;
+
+ fputc ('"', out);
+
+ for (i = 0; i < buf_size; ++i) {
+ if (c_isprint (buf[i]))
+ fputc (buf[i], out);
+ else
+ fprintf (out, "\\x%02x", (unsigned char) buf[i]);
+ }
+
+ fputc ('"', out);
+
+ if (orig_size > buf_size)
+ fprintf (out,
+ _("<truncated, original size %zu bytes>"), orig_size);
+}
+
+void
+guestfs___print_BufferOut (FILE *out, const char *buf, size_t buf_size)
+{
+ guestfs___print_BufferIn (out, buf, buf_size);
+}
+
+void
+guestfs___free_string_list (char **argv)
+{
+ size_t i;
+ for (i = 0; argv[i] != NULL; ++i)
+ free (argv[i]);
+ free (argv);
+}