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Diffstat (limited to 'examples/VFS/skel_transparent.c')
-rw-r--r--examples/VFS/skel_transparent.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/examples/VFS/skel_transparent.c b/examples/VFS/skel_transparent.c
index 8f55d6aa8a..55149d7fd8 100644
--- a/examples/VFS/skel_transparent.c
+++ b/examples/VFS/skel_transparent.c
@@ -23,6 +23,7 @@
#include "../source3/include/includes.h"
+#include "lib/util/tevent_unix.h"
/* PLEASE,PLEASE READ THE VFS MODULES CHAPTER OF THE
SAMBA DEVELOPERS GUIDE!!!!!!
@@ -193,6 +194,59 @@ static ssize_t skel_pread(vfs_handle_struct *handle, files_struct *fsp, void *da
return SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
}
+struct skel_pread_state {
+ ssize_t ret;
+ int err;
+};
+
+static void skel_pread_done(struct tevent_req *subreq);
+
+static struct tevent_req *skel_pread_send(struct vfs_handle_struct *handle,
+ TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct files_struct *fsp,
+ void *data, size_t n, off_t offset)
+{
+ struct tevent_req *req, *subreq;
+ struct skel_pread_state *state;
+
+ req = tevent_req_create(mem_ctx, &state, struct skel_pread_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp, data,
+ n, offset);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, skel_pread_done, req);
+ return req;
+}
+
+static void skel_pread_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct skel_pread_state *state = tevent_req_data(
+ req, struct skel_pread_state);
+
+ state->ret = SMB_VFS_PREAD_RECV(subreq, &state->err);
+ TALLOC_FREE(subreq);
+ tevent_req_done(req);
+}
+
+static ssize_t skel_pread_recv(struct tevent_req *req, int *err)
+{
+ struct skel_pread_state *state = tevent_req_data(
+ req, struct skel_pread_state);
+
+ if (tevent_req_is_unix_error(req, err)) {
+ return -1;
+ }
+ *err = state->err;
+ return state->ret;
+}
+
static ssize_t skel_write(vfs_handle_struct *handle, files_struct *fsp, const void *data, size_t n)
{
return SMB_VFS_NEXT_WRITE(handle, fsp, data, n);
@@ -765,6 +819,8 @@ struct vfs_fn_pointers skel_transparent_fns = {
.close_fn = skel_close_fn,
.read_fn = skel_vfs_read,
.pread_fn = skel_pread,
+ .pread_send_fn = skel_pread_send,
+ .pread_recv_fn = skel_pread_recv,
.write_fn = skel_write,
.pwrite_fn = skel_pwrite,
.lseek_fn = skel_lseek,