Displaying 6 results from an estimated 6 matches for "reflection_can_cache".
2019 Sep 28
0
[PATCH nbdkit v2 2/4] Rename nbdkit-reflection-plugin to nbdkit-info-plugin.
..._get_size (void *handle)
}
static int
-reflection_can_multi_conn (void *handle)
+info_can_multi_conn (void *handle)
{
switch (mode) {
/* Safe for exportname modes since clients should only request
@@ -329,7 +329,7 @@ reflection_can_multi_conn (void *handle)
/* Cache. */
static int
-reflection_can_cache (void *handle)
+info_can_cache (void *handle)
{
/* Everything is already in memory, returning this without
* implementing .cache lets nbdkit do the correct no-op.
@@ -339,8 +339,8 @@ reflection_can_cache (void *handle)
/* Read data. */
static int
-reflection_pread (void *handle, void *b...
2019 Sep 28
2
[PATCH nbdkit 1/2] common/include: Add function for subtracting struct timeval.
---
common/include/test-tvdiff.c | 75 +++++++++++++++++++++++++++++-------
common/include/tvdiff.h | 13 ++++++-
2 files changed, 74 insertions(+), 14 deletions(-)
diff --git a/common/include/test-tvdiff.c b/common/include/test-tvdiff.c
index 9cbcfc0..abefb2e 100644
--- a/common/include/test-tvdiff.c
+++ b/common/include/test-tvdiff.c
@@ -36,7 +36,6 @@
#include <stdlib.h>
#include
2019 Sep 15
0
[PATCH nbdkit 1/4] Add reflection plugin.
...+
+/* Get the disk size. */
+static int64_t
+reflection_get_size (void *handle)
+{
+ struct handle *h = handle;
+
+ return (int64_t) h->len;
+}
+
+/* Read-only plugin so multi-conn is safe. */
+static int
+reflection_can_multi_conn (void *handle)
+{
+ return 1;
+}
+
+/* Cache. */
+static int
+reflection_can_cache (void *handle)
+{
+ /* Everything is already in memory, returning this without
+ * implementing .cache lets nbdkit do the correct no-op.
+ */
+ return NBDKIT_CACHE_NATIVE;
+}
+
+/* Read data. */
+static int
+reflection_pread (void *handle, void *buf, uint32_t count, uint64_t offset,
+...
2019 Sep 28
0
[PATCH nbdkit 2/2] reflection: Add mode for reflecting server time.
...e MODE_ADDRESS:
return 0;
+ /* All time modes will read different values at different times,
+ * so all of them are unsafe for multi-conn.
+ */
+ case MODE_TIME:
+ case MODE_UPTIME:
+ case MODE_CONNTIME:
+ return 0;
/* Keep GCC happy. */
default:
@@ -337,6 +380,42 @@ reflection_can_cache (void *handle)
return NBDKIT_CACHE_NATIVE;
}
+static void
+update_time (struct handle *h)
+{
+ struct timeval tv;
+ int64_t secs;
+ int32_t usecs;
+ char *p;
+
+ gettimeofday (&tv, NULL);
+
+ switch (mode) {
+ case MODE_TIME:
+ break;
+
+ case MODE_UPTIME:
+ subtract_timeval...
2019 Sep 28
9
[PATCH nbdkit v2 0/4] info: Add mode for sending back server time.
v1 was:
https://www.redhat.com/archives/libguestfs/2019-September/thread.html#00361
v2:
- Adds a patch to rename the reflection plugin to the info plugin.
- Adds tests.
Rich.
2019 Sep 15
13
[PATCH nbdkit 0/4] Reflection plugin, peer name.
This series is based on my blog posting here:
https://rwmj.wordpress.com/2019/09/13/nbdkit-supports-exportnames/
It depends on the fix for realloc:
https://www.redhat.com/archives/libguestfs/2019-September/thread.html#00103
This series adds a fun plugin, and also an semi-related feature I've
long thought to be desirable. You can consider patches 1 & 4, and
patches 2 & 3 as forming