From be05dad399b7e549997acc79add85f5dbbc3d7b7 Mon Sep 17 00:00:00 2001 From: Volker Lendecke Date: Mon, 9 Jul 2012 17:17:25 +0200 Subject: s3-vfs: Add pwrite_send/recv to vfs modules Signed-off-by: Jeremy Allison --- examples/VFS/skel_opaque.c | 18 +++++++++++++ examples/VFS/skel_transparent.c | 56 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 74 insertions(+) (limited to 'examples') diff --git a/examples/VFS/skel_opaque.c b/examples/VFS/skel_opaque.c index 56f3b977ac..cf262b661a 100644 --- a/examples/VFS/skel_opaque.c +++ b/examples/VFS/skel_opaque.c @@ -215,6 +215,22 @@ static ssize_t skel_pwrite(vfs_handle_struct *handle, files_struct *fsp, const v return -1; } +static struct tevent_req *skel_pwrite_send(struct vfs_handle_struct *handle, + TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct files_struct *fsp, + const void *data, + size_t n, off_t offset) +{ + return NULL; +} + +static ssize_t skel_pwrite_recv(struct tevent_req *req, int *err) +{ + *err = ENOSYS; + return -1; +} + static off_t skel_lseek(vfs_handle_struct *handle, files_struct *fsp, off_t offset, int whence) { errno = ENOSYS; @@ -824,6 +840,8 @@ struct vfs_fn_pointers skel_opaque_fns = { .pread_recv_fn = skel_pread_recv, .write_fn = skel_write, .pwrite_fn = skel_pwrite, + .pwrite_send_fn = skel_pwrite_send, + .pwrite_recv_fn = skel_pwrite_recv, .lseek_fn = skel_lseek, .sendfile_fn = skel_sendfile, .recvfile_fn = skel_recvfile, diff --git a/examples/VFS/skel_transparent.c b/examples/VFS/skel_transparent.c index 55149d7fd8..819f7b9c08 100644 --- a/examples/VFS/skel_transparent.c +++ b/examples/VFS/skel_transparent.c @@ -257,6 +257,60 @@ static ssize_t skel_pwrite(vfs_handle_struct *handle, files_struct *fsp, const v return SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset); } +struct skel_pwrite_state { + ssize_t ret; + int err; +}; + +static void skel_pwrite_done(struct tevent_req *subreq); + +static struct tevent_req *skel_pwrite_send(struct vfs_handle_struct *handle, + TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct files_struct *fsp, + const void *data, + size_t n, off_t offset) +{ + struct tevent_req *req, *subreq; + struct skel_pwrite_state *state; + + req = tevent_req_create(mem_ctx, &state, struct skel_pwrite_state); + if (req == NULL) { + return NULL; + } + subreq = SMB_VFS_NEXT_PWRITE_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_pwrite_done, req); + return req; +} + +static void skel_pwrite_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct skel_pwrite_state *state = tevent_req_data( + req, struct skel_pwrite_state); + + state->ret = SMB_VFS_PWRITE_RECV(subreq, &state->err); + TALLOC_FREE(subreq); + tevent_req_done(req); +} + +static ssize_t skel_pwrite_recv(struct tevent_req *req, int *err) +{ + struct skel_pwrite_state *state = tevent_req_data( + req, struct skel_pwrite_state); + + if (tevent_req_is_unix_error(req, err)) { + return -1; + } + *err = state->err; + return state->ret; +} + static off_t skel_lseek(vfs_handle_struct *handle, files_struct *fsp, off_t offset, int whence) { return SMB_VFS_NEXT_LSEEK(handle, fsp, offset, whence); @@ -823,6 +877,8 @@ struct vfs_fn_pointers skel_transparent_fns = { .pread_recv_fn = skel_pread_recv, .write_fn = skel_write, .pwrite_fn = skel_pwrite, + .pwrite_send_fn = skel_pwrite_send, + .pwrite_recv_fn = skel_pwrite_recv, .lseek_fn = skel_lseek, .sendfile_fn = skel_sendfile, .recvfile_fn = skel_recvfile, -- cgit