static ssize_t cephwrap_pread(struct vfs_handle_struct *handle, files_struct *fsp, void *data,
size_t n, off_t offset)
{
ssize_t result;
DBG_DEBUG("[CEPH] pread(%p, %p, %p, %llu, %llu)\n", handle, fsp, data, llu(n), llu(offset));
result = ceph_read(handle->data, fsp->fh->fd, data, n, offset);
DBG_DEBUG("[CEPH] pread(...) = %llu\n", llu(result));
WRAP_RETURN(result);
}
/*
* Bareos is calling us to do the actual I/O
*/
static bRC pluginIO(bpContext *ctx, struct io_pkt *io)
{
plugin_ctx *p_ctx = (plugin_ctx *)ctx->pContext;
if (!p_ctx) {
return bRC_Error;
}
io->io_errno = 0;
io->lerror = 0;
io->win32 = false;
switch(io->func) {
case IO_OPEN:
p_ctx->cfd = ceph_open(p_ctx->cmount, io->fname, io->flags, io->mode);
if (p_ctx->cfd < 0) {
io->status = -1;
io->io_errno = -p_ctx->cfd;
goto bail_out;
}
io->status = 0;
break;
case IO_READ:
if (p_ctx->cfd) {
io->status = ceph_read(p_ctx->cmount, p_ctx->cfd, io->buf, io->count, -1);
if (io->status < 0) {
io->io_errno = -io->status;
io->status = -1;
goto bail_out;
}
} else {
io->status = -1;
io->io_errno = EBADF;
goto bail_out;
}
break;
case IO_WRITE:
if (p_ctx->cfd) {
io->status = ceph_write(p_ctx->cmount, p_ctx->cfd, io->buf, io->count, -1);
if (io->status < 0) {
io->io_errno = -io->status;
io->status = -1;
goto bail_out;
}
} else {
io->status = -1;
io->io_errno = EBADF;
goto bail_out;
}
break;
case IO_CLOSE:
if (p_ctx->cfd) {
io->status = ceph_close(p_ctx->cmount, p_ctx->cfd);
if (io->status < 0) {
io->io_errno = -io->status;
io->status = -1;
goto bail_out;
}
} else {
io->status = -1;
io->io_errno = EBADF;
goto bail_out;
}
break;
case IO_SEEK:
if (p_ctx->cfd) {
io->status = ceph_lseek(p_ctx->cmount, p_ctx->cfd, io->offset, io->whence);
if (io->status < 0) {
io->io_errno = -io->status;
io->status = -1;
goto bail_out;
}
} else {
io->status = -1;
io->io_errno = EBADF;
goto bail_out;
}
break;
}
return bRC_OK;
bail_out:
return bRC_Error;
}
