imag/libimagstorestdhook/src/linkverify.rs

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//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015, 2016 Matthias Beyer <mail@beyermatthias.de> and contributors
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; version
// 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
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use std::path::PathBuf;
use toml::Value;
use libimagstore::hook::Hook;
use libimagstore::hook::accessor::HookDataAccessor as HDA;
use libimagstore::hook::accessor::HookDataAccessorProvider;
use libimagstore::hook::accessor::NonMutableHookDataAccessor;
use libimagstore::hook::result::HookResult;
use libimagstore::store::FileLockEntry;
use libimagentrylink::internal::InternalLinker;
use libimagerror::trace::trace_error;
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#[derive(Debug, Clone)]
pub struct LinkedEntriesExistHook {
store_location: PathBuf,
}
impl LinkedEntriesExistHook {
pub fn new(store_location: PathBuf) -> LinkedEntriesExistHook {
LinkedEntriesExistHook {
store_location: store_location,
}
}
}
impl Hook for LinkedEntriesExistHook {
fn name(&self) -> &'static str {
"stdhook_linked_entries_exist"
}
fn set_config(&mut self, _: &Value) {
() // We are not configurable here.
}
}
impl HookDataAccessorProvider for LinkedEntriesExistHook {
fn accessor(&self) -> HDA {
HDA::NonMutableAccess(self)
}
}
impl NonMutableHookDataAccessor for LinkedEntriesExistHook {
fn access(&self, fle: &FileLockEntry) -> HookResult<()> {
debug!("[LINKVERIFY HOOK] {:?}", fle.get_location());
let _ = fle.get_internal_links()
.map(|links| {
for link in links {
if !link.exists() {
warn!("File link does not exist: {:?} -> {:?}", fle.get_location(), link);
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}
}
})
.map_err(|e| {
warn!("Couldn't execute Link-Verify hook");
trace_error(&e);
});
Ok(())
}
}