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/*
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* meli - notmuch backend
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*
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* Copyright 2019 - 2020 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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use crate::async_workers::{Async, AsyncBuilder, AsyncStatus, WorkContext};
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use crate::backends::*;
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use crate::conf::AccountSettings;
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use crate::email::{Envelope, EnvelopeHash, Flag};
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use crate::error::{MeliError, Result, ResultIntoMeliError};
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use crate::shellexpand::ShellExpandTrait;
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use smallvec::SmallVec;
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use std::collections::{
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hash_map::{DefaultHasher, HashMap},
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BTreeMap,
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};
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use std::error::Error;
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use std::ffi::{CStr, CString, OsStr};
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use std::hash::{Hash, Hasher};
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use std::io::Read;
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use std::os::unix::ffi::OsStrExt;
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use std::path::{Path, PathBuf};
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use std::sync::{Arc, Mutex, RwLock};
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pub mod bindings;
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use bindings::*;
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#[derive(Debug, Clone)]
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struct DbConnection {
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lib: Arc<libloading::Library>,
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inner: Arc<RwLock<*mut notmuch_database_t>>,
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database_ph: std::marker::PhantomData<&'static mut notmuch_database_t>,
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}
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unsafe impl Send for DbConnection {}
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unsafe impl Sync for DbConnection {}
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macro_rules! call {
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($lib:expr, $func:ty) => {{
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let func: libloading::Symbol<$func> = $lib.get(stringify!($func).as_bytes()).unwrap();
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func
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}};
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}
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#[derive(Debug)]
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pub struct NotmuchError(String);
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impl std::fmt::Display for NotmuchError {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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std::fmt::Display::fmt(&self.0, f)
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}
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}
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impl Error for NotmuchError {
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fn source(&self) -> Option<&(dyn Error + 'static)> {
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None
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}
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}
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macro_rules! try_call {
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($lib:expr, $call:expr) => {{
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let status = unsafe { $call };
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if status == _notmuch_status_NOTMUCH_STATUS_SUCCESS {
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Ok(())
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} else {
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let c_str = unsafe { call!($lib, notmuch_status_to_string)(status) };
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Err(NotmuchError(unsafe {
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CStr::from_ptr(c_str).to_string_lossy().into_owned()
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}))
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}
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}};
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}
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impl Drop for DbConnection {
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fn drop(&mut self) {
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let inner = self.inner.write().unwrap();
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unsafe {
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call!(self.lib, notmuch_database_close)(*inner);
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call!(self.lib, notmuch_database_destroy)(*inner);
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}
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}
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}
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#[derive(Debug)]
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pub struct NotmuchDb {
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lib: Arc<libloading::Library>,
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revision_uuid: Arc<RwLock<u64>>,
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mailboxes: Arc<RwLock<HashMap<MailboxHash, NotmuchMailbox>>>,
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index: Arc<RwLock<HashMap<EnvelopeHash, CString>>>,
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mailbox_index: Arc<RwLock<HashMap<EnvelopeHash, SmallVec<[MailboxHash; 16]>>>>,
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tag_index: Arc<RwLock<BTreeMap<u64, String>>>,
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path: PathBuf,
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account_name: String,
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save_messages_to: Option<PathBuf>,
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}
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unsafe impl Send for NotmuchDb {}
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unsafe impl Sync for NotmuchDb {}
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#[derive(Debug, Clone, Default)]
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struct NotmuchMailbox {
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hash: MailboxHash,
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children: Vec<MailboxHash>,
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parent: Option<MailboxHash>,
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name: String,
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path: String,
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query_str: String,
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usage: Arc<RwLock<SpecialUsageMailbox>>,
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total: Arc<Mutex<usize>>,
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unseen: Arc<Mutex<usize>>,
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}
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impl BackendMailbox for NotmuchMailbox {
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fn hash(&self) -> MailboxHash {
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self.hash
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}
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fn name(&self) -> &str {
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self.name.as_str()
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}
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fn path(&self) -> &str {
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self.path.as_str()
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}
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fn change_name(&mut self, _s: &str) {}
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fn clone(&self) -> Mailbox {
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Box::new(std::clone::Clone::clone(self))
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}
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fn children(&self) -> &[MailboxHash] {
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&self.children
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}
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fn parent(&self) -> Option<MailboxHash> {
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self.parent
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}
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fn special_usage(&self) -> SpecialUsageMailbox {
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*self.usage.read().unwrap()
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}
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fn permissions(&self) -> MailboxPermissions {
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MailboxPermissions::default()
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}
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fn is_subscribed(&self) -> bool {
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true
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}
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fn set_is_subscribed(&mut self, _new_val: bool) -> Result<()> {
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Ok(())
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}
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fn set_special_usage(&mut self, new_val: SpecialUsageMailbox) -> Result<()> {
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*self.usage.write()? = new_val;
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Ok(())
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}
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fn count(&self) -> Result<(usize, usize)> {
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Ok((*self.unseen.lock()?, *self.total.lock()?))
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}
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}
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unsafe impl Send for NotmuchMailbox {}
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unsafe impl Sync for NotmuchMailbox {}
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impl NotmuchDb {
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pub fn new(
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s: &AccountSettings,
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_is_subscribed: Box<dyn Fn(&str) -> bool>,
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) -> Result<Box<dyn MailBackend>> {
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let lib = Arc::new(libloading::Library::new("libnotmuch.so.5")?);
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let path = Path::new(s.root_mailbox.as_str()).expand().to_path_buf();
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if !path.exists() {
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return Err(MeliError::new(format!(
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"\"root_mailbox\" {} for account {} is not a valid path.",
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s.root_mailbox.as_str(),
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s.name()
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)));
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}
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let mut mailboxes = HashMap::default();
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for (k, f) in s.mailboxes.iter() {
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if let Some(query_str) = f.extra.get("query") {
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let hash = {
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let mut h = DefaultHasher::new();
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k.hash(&mut h);
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h.finish()
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};
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mailboxes.insert(
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hash,
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NotmuchMailbox {
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hash,
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name: k.to_string(),
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path: k.to_string(),
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children: vec![],
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parent: None,
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query_str: query_str.to_string(),
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usage: Arc::new(RwLock::new(SpecialUsageMailbox::Normal)),
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total: Arc::new(Mutex::new(0)),
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unseen: Arc::new(Mutex::new(0)),
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},
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);
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} else {
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return Err(MeliError::new(format!(
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"notmuch mailbox configuration entry \"{}\" should have a \"query\" value set.",
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k
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)));
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}
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}
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Ok(Box::new(NotmuchDb {
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lib,
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revision_uuid: Arc::new(RwLock::new(0)),
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path,
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index: Arc::new(RwLock::new(Default::default())),
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mailbox_index: Arc::new(RwLock::new(Default::default())),
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tag_index: Arc::new(RwLock::new(Default::default())),
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mailboxes: Arc::new(RwLock::new(mailboxes)),
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save_messages_to: None,
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account_name: s.name().to_string(),
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}))
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}
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pub fn validate_config(s: &AccountSettings) -> Result<()> {
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let path = Path::new(s.root_mailbox.as_str()).expand().to_path_buf();
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if !path.exists() {
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return Err(MeliError::new(format!(
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"\"root_mailbox\" {} for account {} is not a valid path.",
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s.root_mailbox.as_str(),
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s.name()
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)));
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}
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for (k, f) in s.mailboxes.iter() {
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if f.extra.get("query").is_none() {
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return Err(MeliError::new(format!(
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"notmuch mailbox configuration entry \"{}\" should have a \"query\" value set.",
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k
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)));
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}
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}
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Ok(())
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}
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pub fn search(&self, query_s: &str) -> Result<SmallVec<[EnvelopeHash; 512]>> {
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let database = Self::new_connection(self.path.as_path(), self.lib.clone(), false)?;
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let database_lck = database.inner.read().unwrap();
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let query: Query = Query::new(self.lib.clone(), &database_lck, query_s)?;
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let mut ret = SmallVec::new();
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let iter = query.search()?;
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for message in iter {
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let msg_id = unsafe { call!(self.lib, notmuch_message_get_message_id)(message) };
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let c_str = unsafe { CStr::from_ptr(msg_id) };
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let env_hash = {
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let mut hasher = DefaultHasher::default();
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c_str.hash(&mut hasher);
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hasher.finish()
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};
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ret.push(env_hash);
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}
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Ok(ret)
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}
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fn new_connection(
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path: &Path,
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lib: Arc<libloading::Library>,
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write: bool,
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) -> Result<DbConnection> {
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let path_c = std::ffi::CString::new(path.to_str().unwrap()).unwrap();
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let path_ptr = path_c.as_ptr();
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let mut database: *mut notmuch_database_t = std::ptr::null_mut();
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let status = unsafe {
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call!(lib, notmuch_database_open)(
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path_ptr,
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if write {
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notmuch_database_mode_t_NOTMUCH_DATABASE_MODE_READ_WRITE
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} else {
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notmuch_database_mode_t_NOTMUCH_DATABASE_MODE_READ_ONLY
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},
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&mut database as *mut _,
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)
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};
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if status != 0 {
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return Err(MeliError::new(format!(
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"Could not open notmuch database at path {}. notmuch_database_open returned {}.",
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path.display(),
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status
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)));
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}
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assert!(!database.is_null());
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Ok(DbConnection {
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lib,
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inner: Arc::new(RwLock::new(database)),
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database_ph: std::marker::PhantomData,
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})
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}
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}
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impl MailBackend for NotmuchDb {
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fn is_online(&self) -> Result<()> {
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Ok(())
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}
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fn get(&mut self, mailbox: &Mailbox) -> Async<Result<Vec<Envelope>>> {
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let mut w = AsyncBuilder::new();
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let mailbox_hash = mailbox.hash();
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let database = NotmuchDb::new_connection(self.path.as_path(), self.lib.clone(), false);
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let index = self.index.clone();
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let mailbox_index = self.mailbox_index.clone();
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let tag_index = self.tag_index.clone();
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let mailboxes = self.mailboxes.clone();
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let lib = self.lib.clone();
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let handle = {
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let tx = w.tx();
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let closure = move |_work_context| {
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if let Err(err) = database {
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tx.send(AsyncStatus::Payload(Err(err))).unwrap();
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tx.send(AsyncStatus::Finished).unwrap();
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return;
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}
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let database = Arc::new(database.unwrap());
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let mut ret: Vec<Envelope> = Vec::new();
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let database_lck = database.inner.read().unwrap();
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let mut mailboxes_lck = mailboxes.write().unwrap();
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let mailbox = mailboxes_lck.get_mut(&mailbox_hash).unwrap();
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let mut total_lck = mailbox.total.lock().unwrap();
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let mut unseen_lck = mailbox.unseen.lock().unwrap();
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*total_lck = 0;
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*unseen_lck = 0;
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let query: Query =
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match Query::new(lib.clone(), &database_lck, mailbox.query_str.as_str()) {
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Ok(q) => q,
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Err(err) => {
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tx.send(AsyncStatus::Payload(Err(err))).unwrap();
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tx.send(AsyncStatus::Finished).unwrap();
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return;
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}
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};
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let iter = match query.search() {
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Ok(i) => i,
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Err(err) => {
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tx.send(AsyncStatus::Payload(Err(err))).unwrap();
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tx.send(AsyncStatus::Finished).unwrap();
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return;
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}
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};
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let mut mailbox_index_lck = mailbox_index.write().unwrap();
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for message in iter {
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match notmuch_message_into_envelope(
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lib.clone(),
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index.clone(),
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tag_index.clone(),
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database.clone(),
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message,
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) {
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|
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Ok(env) => {
|
|
|
|
mailbox_index_lck
|
|
|
|
.entry(env.hash())
|
|
|
|
.or_default()
|
|
|
|
.push(mailbox_hash);
|
|
|
|
*total_lck += 1;
|
|
|
|
if !env.is_seen() {
|
|
|
|
*unseen_lck += 1;
|
|
|
|
}
|
|
|
|
ret.push(env);
|
|
|
|
}
|
|
|
|
Err(err) => {
|
|
|
|
debug!("could not parse message {:?}", err);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
tx.send(AsyncStatus::Payload(Ok(ret))).unwrap();
|
|
|
|
tx.send(AsyncStatus::Finished).unwrap();
|
|
|
|
};
|
|
|
|
Box::new(closure)
|
|
|
|
};
|
|
|
|
w.build(handle)
|
|
|
|
}
|
|
|
|
|
|
|
|
fn watch(
|
|
|
|
&self,
|
|
|
|
sender: RefreshEventConsumer,
|
|
|
|
_work_context: WorkContext,
|
|
|
|
) -> Result<std::thread::ThreadId> {
|
|
|
|
extern crate notify;
|
|
|
|
use crate::backends::RefreshEventKind::*;
|
|
|
|
use notify::{watcher, RecursiveMode, Watcher};
|
|
|
|
let (tx, rx) = std::sync::mpsc::channel();
|
|
|
|
let mut watcher = watcher(tx, std::time::Duration::from_secs(2)).unwrap();
|
|
|
|
watcher.watch(&self.path, RecursiveMode::Recursive).unwrap();
|
|
|
|
let path = self.path.clone();
|
|
|
|
let lib = self.lib.clone();
|
|
|
|
let tag_index = self.tag_index.clone();
|
|
|
|
let index = self.index.clone();
|
|
|
|
let account_hash = {
|
|
|
|
let mut hasher = DefaultHasher::new();
|
|
|
|
hasher.write(self.account_name.as_bytes());
|
|
|
|
hasher.finish()
|
|
|
|
};
|
|
|
|
let mailbox_index = self.mailbox_index.clone();
|
|
|
|
let mailboxes = self.mailboxes.clone();
|
|
|
|
{
|
|
|
|
let database = NotmuchDb::new_connection(path.as_path(), lib.clone(), false)?;
|
|
|
|
let mut revision_uuid_lck = self.revision_uuid.write().unwrap();
|
|
|
|
|
|
|
|
*revision_uuid_lck = unsafe {
|
|
|
|
call!(lib, notmuch_database_get_revision)(
|
|
|
|
*database.inner.read().unwrap(),
|
|
|
|
std::ptr::null_mut(),
|
|
|
|
)
|
|
|
|
};
|
|
|
|
}
|
|
|
|
let revision_uuid = self.revision_uuid.clone();
|
|
|
|
|
|
|
|
let handle = std::thread::Builder::new()
|
|
|
|
.name(format!("watching {}", self.account_name))
|
|
|
|
.spawn(move || {
|
|
|
|
let _watcher = watcher;
|
|
|
|
let c = move |sender: &RefreshEventConsumer| -> std::result::Result<(), MeliError> {
|
|
|
|
loop {
|
|
|
|
let _ = rx.recv().map_err(|err| err.to_string())?;
|
|
|
|
{
|
|
|
|
let database =
|
|
|
|
NotmuchDb::new_connection(path.as_path(), lib.clone(), false)?;
|
|
|
|
let database_lck = database.inner.read().unwrap();
|
|
|
|
let mut revision_uuid_lck = revision_uuid.write().unwrap();
|
|
|
|
|
|
|
|
let new_revision = unsafe {
|
|
|
|
call!(lib, notmuch_database_get_revision)(
|
|
|
|
*database_lck,
|
|
|
|
std::ptr::null_mut(),
|
|
|
|
)
|
|
|
|
};
|
|
|
|
if new_revision > *revision_uuid_lck {
|
|
|
|
let query_str =
|
|
|
|
format!("lastmod:{}..{}", *revision_uuid_lck, new_revision);
|
|
|
|
let query: Query =
|
|
|
|
Query::new(lib.clone(), &database_lck, &query_str)?;
|
|
|
|
drop(database_lck);
|
|
|
|
let iter = query.search()?;
|
|
|
|
let mut tag_lock = tag_index.write().unwrap();
|
|
|
|
let mailbox_index_lck = mailbox_index.write().unwrap();
|
|
|
|
let mailboxes_lck = mailboxes.read().unwrap();
|
|
|
|
let database = Arc::new(database);
|
|
|
|
for message in iter {
|
|
|
|
let msg_id = unsafe {
|
|
|
|
call!(lib, notmuch_message_get_message_id)(message)
|
|
|
|
};
|
|
|
|
let c_str = unsafe { CStr::from_ptr(msg_id) };
|
|
|
|
let env_hash = {
|
|
|
|
let mut hasher = DefaultHasher::default();
|
|
|
|
c_str.hash(&mut hasher);
|
|
|
|
hasher.finish()
|
|
|
|
};
|
|
|
|
if let Some(mailbox_hashes) = mailbox_index_lck.get(&env_hash) {
|
|
|
|
let tags: (Flag, Vec<String>) =
|
|
|
|
TagIterator::new(lib.clone(), message)
|
|
|
|
.collect_flags_and_tags();
|
|
|
|
for tag in tags.1.iter() {
|
|
|
|
let mut hasher = DefaultHasher::new();
|
|
|
|
hasher.write(tag.as_bytes());
|
|
|
|
let num = hasher.finish();
|
|
|
|
if !tag_lock.contains_key(&num) {
|
|
|
|
tag_lock.insert(num, tag.clone());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for &mailbox_hash in mailbox_hashes {
|
|
|
|
sender.send(RefreshEvent {
|
|
|
|
account_hash,
|
|
|
|
mailbox_hash,
|
|
|
|
kind: NewFlags(env_hash, tags.clone()),
|
|
|
|
});
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
match notmuch_message_into_envelope(
|
|
|
|
lib.clone(),
|
|
|
|
index.clone(),
|
|
|
|
tag_index.clone(),
|
|
|
|
database.clone(),
|
|
|
|
message,
|
|
|
|
) {
|
|
|
|
Ok(env) => {
|
|
|
|
for (&mailbox_hash, m) in mailboxes_lck.iter() {
|
|
|
|
let query_str = format!(
|
|
|
|
"{} id:{}",
|
|
|
|
m.query_str.as_str(),
|
|
|
|
c_str.to_string_lossy()
|
|
|
|
);
|
|
|
|
let database_lck =
|
|
|
|
database.inner.read().unwrap();
|
|
|
|
let query: Query = Query::new(
|
|
|
|
lib.clone(),
|
|
|
|
&database_lck,
|
|
|
|
&query_str,
|
|
|
|
)?;
|
|
|
|
if query.count().unwrap_or(0) > 0 {
|
|
|
|
let mut total_lck = m.total.lock().unwrap();
|
|
|
|
let mut unseen_lck =
|
|
|
|
m.unseen.lock().unwrap();
|
|
|
|
*total_lck += 1;
|
|
|
|
if !env.is_seen() {
|
|
|
|
*unseen_lck += 1;
|
|
|
|
}
|
|
|
|
sender.send(RefreshEvent {
|
|
|
|
account_hash,
|
|
|
|
mailbox_hash,
|
|
|
|
kind: Create(Box::new(env.clone())),
|
|
|
|
});
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
Err(err) => {
|
|
|
|
debug!("could not parse message {:?}", err);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
drop(query);
|
|
|
|
let database_lck = database.inner.read().unwrap();
|
|
|
|
index.write().unwrap().retain(|&env_hash, msg_id| {
|
|
|
|
let mut message: *mut notmuch_message_t = std::ptr::null_mut();
|
|
|
|
if let Err(err) = try_call!(
|
|
|
|
lib,
|
|
|
|
call!(lib, notmuch_database_find_message)(
|
|
|
|
*database_lck,
|
|
|
|
msg_id.as_ptr(),
|
|
|
|
&mut message as *mut _,
|
|
|
|
)
|
|
|
|
) {
|
|
|
|
debug!(err);
|
|
|
|
false
|
|
|
|
} else {
|
|
|
|
if message.is_null() {
|
|
|
|
if let Some(mailbox_hashes) =
|
|
|
|
mailbox_index_lck.get(&env_hash)
|
|
|
|
{
|
|
|
|
for &mailbox_hash in mailbox_hashes {
|
|
|
|
let m = &mailboxes_lck[&mailbox_hash];
|
|
|
|
let mut total_lck = m.total.lock().unwrap();
|
|
|
|
*total_lck = total_lck.saturating_sub(1);
|
|
|
|
sender.send(RefreshEvent {
|
|
|
|
account_hash,
|
|
|
|
mailbox_hash,
|
|
|
|
kind: Remove(env_hash),
|
|
|
|
});
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
!message.is_null()
|
|
|
|
}
|
|
|
|
});
|
|
|
|
|
|
|
|
*revision_uuid_lck = new_revision;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
if let Err(err) = c(&sender) {
|
|
|
|
sender.send(RefreshEvent {
|
|
|
|
account_hash,
|
|
|
|
mailbox_hash: 0,
|
|
|
|
kind: Failure(err.into()),
|
|
|
|
});
|
|
|
|
}
|
|
|
|
})?;
|
|
|
|
Ok(handle.thread().id())
|
|
|
|
}
|
|
|
|
fn mailboxes(&self) -> Result<HashMap<MailboxHash, Mailbox>> {
|
|
|
|
Ok(self
|
|
|
|
.mailboxes
|
|
|
|
.read()
|
|
|
|
.unwrap()
|
|
|
|
.iter()
|
|
|
|
.map(|(k, f)| (*k, BackendMailbox::clone(f)))
|
|
|
|
.collect())
|
|
|
|
}
|
|
|
|
|
|
|
|
fn operation(&self, hash: EnvelopeHash) -> Result<Box<dyn BackendOp>> {
|
|
|
|
Ok(Box::new(NotmuchOp {
|
|
|
|
database: Arc::new(Self::new_connection(
|
|
|
|
self.path.as_path(),
|
|
|
|
self.lib.clone(),
|
|
|
|
true,
|
|
|
|
)?),
|
|
|
|
lib: self.lib.clone(),
|
|
|
|
hash,
|
|
|
|
index: self.index.clone(),
|
|
|
|
bytes: None,
|
|
|
|
tag_index: self.tag_index.clone(),
|
|
|
|
}))
|
|
|
|
}
|
|
|
|
|
|
|
|
fn save(
|
|
|
|
&self,
|
|
|
|
bytes: Vec<u8>,
|
|
|
|
_mailbox_hash: MailboxHash,
|
|
|
|
flags: Option<Flag>,
|
|
|
|
) -> ResultFuture<()> {
|
|
|
|
let path = self
|
|
|
|
.save_messages_to
|
|
|
|
.as_ref()
|
|
|
|
.unwrap_or(&self.path)
|
|
|
|
.to_path_buf();
|
|
|
|
MaildirType::save_to_mailbox(path, bytes, flags)?;
|
|
|
|
Ok(Box::pin(async { Ok(()) }))
|
|
|
|
}
|
|
|
|
|
|
|
|
fn as_any(&self) -> &dyn ::std::any::Any {
|
|
|
|
self
|
|
|
|
}
|
|
|
|
|
|
|
|
fn tags(&self) -> Option<Arc<RwLock<BTreeMap<u64, String>>>> {
|
|
|
|
Some(self.tag_index.clone())
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#[derive(Debug)]
|
|
|
|
struct NotmuchOp {
|
|
|
|
hash: EnvelopeHash,
|
|
|
|
index: Arc<RwLock<HashMap<EnvelopeHash, CString>>>,
|
|
|
|
tag_index: Arc<RwLock<BTreeMap<u64, String>>>,
|
|
|
|
database: Arc<DbConnection>,
|
|
|
|
bytes: Option<String>,
|
|
|
|
lib: Arc<libloading::Library>,
|
|
|
|
}
|
|
|
|
|
|
|
|
impl BackendOp for NotmuchOp {
|
|
|
|
fn as_bytes(&mut self) -> ResultFuture<Vec<u8>> {
|
|
|
|
let mut message: *mut notmuch_message_t = std::ptr::null_mut();
|
|
|
|
let index_lck = self.index.write().unwrap();
|
|
|
|
unsafe {
|
|
|
|
call!(self.lib, notmuch_database_find_message)(
|
|
|
|
*self.database.inner.read().unwrap(),
|
|
|
|
index_lck[&self.hash].as_ptr(),
|
|
|
|
&mut message as *mut _,
|
|
|
|
)
|
|
|
|
};
|
|
|
|
let fs_path = unsafe { call!(self.lib, notmuch_message_get_filename)(message) };
|
|
|
|
let c_str = unsafe { CStr::from_ptr(fs_path) };
|
|
|
|
let mut f = std::fs::File::open(&OsStr::from_bytes(c_str.to_bytes()))?;
|
|
|
|
let mut response = String::new();
|
|
|
|
f.read_to_string(&mut response)?;
|
|
|
|
self.bytes = Some(response);
|
|
|
|
let ret = Ok(self.bytes.as_ref().unwrap().as_bytes().to_vec());
|
|
|
|
Ok(Box::pin(async move { ret }))
|
|
|
|
}
|
|
|
|
|
|
|
|
fn fetch_flags(&self) -> ResultFuture<Flag> {
|
|
|
|
let mut message: *mut notmuch_message_t = std::ptr::null_mut();
|
|
|
|
let index_lck = self.index.write().unwrap();
|
|
|
|
unsafe {
|
|
|
|
call!(self.lib, notmuch_database_find_message)(
|
|
|
|
*self.database.inner.read().unwrap(),
|
|
|
|
index_lck[&self.hash].as_ptr(),
|
|
|
|
&mut message as *mut _,
|
|
|
|
)
|
|
|
|
};
|
|
|
|
let (flags, _tags) = TagIterator::new(self.lib.clone(), message).collect_flags_and_tags();
|
|
|
|
Ok(Box::pin(async move { Ok(flags) }))
|
|
|
|
}
|
|
|
|
|
|
|
|
fn set_flag(&mut self, f: Flag, value: bool) -> ResultFuture<()> {
|
|
|
|
let mut flags = futures::executor::block_on(self.fetch_flags()?)?;
|
|
|
|
flags.set(f, value);
|
|
|
|
let mut message: *mut notmuch_message_t = std::ptr::null_mut();
|
|
|
|
let mut index_lck = self.index.write().unwrap();
|
|
|
|
unsafe {
|
|
|
|
call!(self.lib, notmuch_database_find_message)(
|
|
|
|
*self.database.inner.read().unwrap(),
|
|
|
|
index_lck[&self.hash].as_ptr(),
|
|
|
|
&mut message as *mut _,
|
|
|
|
)
|
|
|
|
};
|
|
|
|
if message.is_null() {
|
|
|
|
return Err(MeliError::new(format!(
|
|
|
|
"Error, message with path {:?} not found in notmuch database.",
|
|
|
|
index_lck[&self.hash]
|
|
|
|
)));
|
|
|
|
}
|
|
|
|
|
|
|
|
// TODO: freeze/thaw message.
|
|
|
|
let tags = TagIterator::new(self.lib.clone(), message).collect::<Vec<&CStr>>();
|
|
|
|
debug!(&tags);
|
|
|
|
|
|
|
|
macro_rules! cstr {
|
|
|
|
($l:literal) => {
|
|
|
|
CStr::from_bytes_with_nul_unchecked($l)
|
|
|
|
};
|
|
|
|
}
|
|
|
|
macro_rules! add_tag {
|
|
|
|
($l:literal) => {{
|
|
|
|
if tags.contains(unsafe { &cstr!($l) }) {
|
|
|
|
return Ok(Box::pin(async { Ok(()) }));
|
|
|
|
}
|
|
|
|
if let Err(err) = try_call!(
|
|
|
|
self.lib,
|
|
|
|
call!(self.lib, notmuch_message_add_tag)(message, cstr!($l).as_ptr())
|
|
|
|
) {
|
|
|
|
return Err(
|
|
|
|
MeliError::new("Could not set tag.").set_source(Some(Arc::new(err)))
|
|
|
|
);
|
|
|
|
}
|
|
|
|
}};
|
|
|
|
}
|
|
|
|
macro_rules! remove_tag {
|
|
|
|
($l:literal) => {{
|
|
|
|
if !tags.contains(unsafe { &cstr!($l) }) {
|
|
|
|
return Ok(Box::pin(async { Ok(()) }));
|
|
|
|
}
|
|
|
|
if let Err(err) = try_call!(
|
|
|
|
self.lib,
|
|
|
|
call!(self.lib, notmuch_message_remove_tag)(message, cstr!($l).as_ptr())
|
|
|
|
) {
|
|
|
|
return Err(
|
|
|
|
MeliError::new("Could not set tag.").set_source(Some(Arc::new(err)))
|
|
|
|
);
|
|
|
|
}
|
|
|
|
}};
|
|
|
|
}
|
|
|
|
|
|
|
|
match f {
|
|
|
|
Flag::DRAFT if value => add_tag!(b"draft\0"),
|
|
|
|
Flag::DRAFT => remove_tag!(b"draft\0"),
|
|
|
|
Flag::FLAGGED if value => add_tag!(b"flagged\0"),
|
|
|
|
Flag::FLAGGED => remove_tag!(b"flagged\0"),
|
|
|
|
Flag::PASSED if value => add_tag!(b"passed\0"),
|
|
|
|
Flag::PASSED => remove_tag!(b"passed\0"),
|
|
|
|
Flag::REPLIED if value => add_tag!(b"replied\0"),
|
|
|
|
Flag::REPLIED => remove_tag!(b"replied\0"),
|
|
|
|
Flag::SEEN if value => remove_tag!(b"unread\0"),
|
|
|
|
Flag::SEEN => add_tag!(b"unread\0"),
|
|
|
|
Flag::TRASHED if value => add_tag!(b"trashed\0"),
|
|
|
|
Flag::TRASHED => remove_tag!(b"trashed\0"),
|
|
|
|
_ => debug!("flags is {:?} value = {}", f, value),
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Update message filesystem path. */
|
|
|
|
if let Err(err) = try_call!(
|
|
|
|
self.lib,
|
|
|
|
call!(self.lib, notmuch_message_tags_to_maildir_flags)(message)
|
|
|
|
) {
|
|
|
|
return Err(MeliError::new("Could not set tag.").set_source(Some(Arc::new(err))));
|
|
|
|
}
|
|
|
|
|
|
|
|
let msg_id = unsafe { call!(self.lib, notmuch_message_get_message_id)(message) };
|
|
|
|
let c_str = unsafe { CStr::from_ptr(msg_id) };
|
|
|
|
if let Some(p) = index_lck.get_mut(&self.hash) {
|
|
|
|
*p = c_str.into();
|
|
|
|
}
|
|
|
|
|
|
|
|
Ok(Box::pin(async { Ok(()) }))
|
|
|
|
}
|
|
|
|
|
|
|
|
fn set_tag(&mut self, tag: String, value: bool) -> ResultFuture<()> {
|
|
|
|
let mut message: *mut notmuch_message_t = std::ptr::null_mut();
|
|
|
|
let index_lck = self.index.read().unwrap();
|
|
|
|
unsafe {
|
|
|
|
call!(self.lib, notmuch_database_find_message)(
|
|
|
|
*self.database.inner.read().unwrap(),
|
|
|
|
index_lck[&self.hash].as_ptr(),
|
|
|
|
&mut message as *mut _,
|
|
|
|
)
|
|
|
|
};
|
|
|
|
if message.is_null() {
|
|
|
|
return Err(MeliError::new(format!(
|
|
|
|
"Error, message with path {:?} not found in notmuch database.",
|
|
|
|
index_lck[&self.hash]
|
|
|
|
)));
|
|
|
|
}
|
|
|
|
if value {
|
|
|
|
if let Err(err) = try_call!(
|
|
|
|
self.lib,
|
|
|
|
call!(self.lib, notmuch_message_add_tag)(
|
|
|
|
message,
|
|
|
|
CString::new(tag.as_str()).unwrap().as_ptr(),
|
|
|
|
)
|
|
|
|
) {
|
|
|
|
return Err(MeliError::new("Could not set tag.").set_source(Some(Arc::new(err))));
|
|
|
|
}
|
|
|
|
debug!("added tag {}", &tag);
|
|
|
|
} else {
|
|
|
|
if let Err(err) = try_call!(
|
|
|
|
self.lib,
|
|
|
|
call!(self.lib, notmuch_message_remove_tag)(
|
|
|
|
message,
|
|
|
|
CString::new(tag.as_str()).unwrap().as_ptr(),
|
|
|
|
)
|
|
|
|
) {
|
|
|
|
return Err(MeliError::new("Could not set tag.").set_source(Some(Arc::new(err))));
|
|
|
|
}
|
|
|
|
debug!("removed tag {}", &tag);
|
|
|
|
}
|
|
|
|
let hash = tag_hash!(tag);
|
|
|
|
if value {
|
|
|
|
self.tag_index.write().unwrap().insert(hash, tag);
|
|
|
|
}
|
|
|
|
Ok(Box::pin(async { Ok(()) }))
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub struct MessageIterator {
|
|
|
|
lib: Arc<libloading::Library>,
|
|
|
|
messages: *mut notmuch_messages_t,
|
|
|
|
}
|
|
|
|
|
|
|
|
impl Iterator for MessageIterator {
|
|
|
|
type Item = *mut notmuch_message_t;
|
|
|
|
fn next(&mut self) -> Option<Self::Item> {
|
|
|
|
if self.messages.is_null() {
|
|
|
|
None
|
|
|
|
} else if unsafe { call!(self.lib, notmuch_messages_valid)(self.messages) } == 1 {
|
|
|
|
let ret = Some(unsafe { call!(self.lib, notmuch_messages_get)(self.messages) });
|
|
|
|
unsafe {
|
|
|
|
call!(self.lib, notmuch_messages_move_to_next)(self.messages);
|
|
|
|
}
|
|
|
|
ret
|
|
|
|
} else {
|
|
|
|
self.messages = std::ptr::null_mut();
|
|
|
|
None
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub struct TagIterator {
|
|
|
|
lib: Arc<libloading::Library>,
|
|
|
|
tags: *mut notmuch_tags_t,
|
|
|
|
message: *mut notmuch_message_t,
|
|
|
|
}
|
|
|
|
|
|
|
|
impl TagIterator {
|
|
|
|
fn new(lib: Arc<libloading::Library>, message: *mut notmuch_message_t) -> Self {
|
|
|
|
TagIterator {
|
|
|
|
tags: unsafe { call!(lib, notmuch_message_get_tags)(message) },
|
|
|
|
lib,
|
|
|
|
message,
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn collect_flags_and_tags(self) -> (Flag, Vec<String>) {
|
|
|
|
fn flags(path: &CStr) -> Flag {
|
|
|
|
let mut flag = Flag::default();
|
|
|
|
let mut ptr = path.to_bytes().len().saturating_sub(1);
|
|
|
|
let mut is_valid = true;
|
|
|
|
while !path.to_bytes()[..ptr + 1].ends_with(b":2,") {
|
|
|
|
match path.to_bytes()[ptr] {
|
|
|
|
b'D' => flag |= Flag::DRAFT,
|
|
|
|
b'F' => flag |= Flag::FLAGGED,
|
|
|
|
b'P' => flag |= Flag::PASSED,
|
|
|
|
b'R' => flag |= Flag::REPLIED,
|
|
|
|
b'S' => flag |= Flag::SEEN,
|
|
|
|
b'T' => flag |= Flag::TRASHED,
|
|
|
|
_ => {
|
|
|
|
is_valid = false;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ptr == 0 {
|
|
|
|
is_valid = false;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
ptr -= 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if !is_valid {
|
|
|
|
return Flag::default();
|
|
|
|
}
|
|
|
|
|
|
|
|
flag
|
|
|
|
}
|
|
|
|
let fs_path = unsafe { call!(self.lib, notmuch_message_get_filename)(self.message) };
|
|
|
|
let c_str = unsafe { CStr::from_ptr(fs_path) };
|
|
|
|
|
|
|
|
let tags = self.collect::<Vec<&CStr>>();
|
|
|
|
let mut flag = Flag::default();
|
|
|
|
let mut vec = vec![];
|
|
|
|
for t in tags {
|
|
|
|
match t.to_bytes() {
|
|
|
|
b"draft" => {
|
|
|
|
flag.set(Flag::DRAFT, true);
|
|
|
|
}
|
|
|
|
b"flagged" => {
|
|
|
|
flag.set(Flag::FLAGGED, true);
|
|
|
|
}
|
|
|
|
b"passed" => {
|
|
|
|
flag.set(Flag::PASSED, true);
|
|
|
|
}
|
|
|
|
b"replied" => {
|
|
|
|
flag.set(Flag::REPLIED, true);
|
|
|
|
}
|
|
|
|
b"unread" => {
|
|
|
|
flag.set(Flag::SEEN, false);
|
|
|
|
}
|
|
|
|
b"trashed" => {
|
|
|
|
flag.set(Flag::TRASHED, true);
|
|
|
|
}
|
|
|
|
_other => {
|
|
|
|
vec.push(t.to_string_lossy().into_owned());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
(flag | flags(c_str), vec)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl Iterator for TagIterator {
|
|
|
|
type Item = &'static CStr;
|
|
|
|
fn next(&mut self) -> Option<Self::Item> {
|
|
|
|
if self.tags.is_null() {
|
|
|
|
None
|
|
|
|
} else if unsafe { call!(self.lib, notmuch_tags_valid)(self.tags) } == 1 {
|
|
|
|
let ret = Some(unsafe { CStr::from_ptr(call!(self.lib, notmuch_tags_get)(self.tags)) });
|
|
|
|
unsafe {
|
|
|
|
call!(self.lib, notmuch_tags_move_to_next)(self.tags);
|
|
|
|
}
|
|
|
|
ret
|
|
|
|
} else {
|
|
|
|
self.tags = std::ptr::null_mut();
|
|
|
|
None
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub struct Query<'s> {
|
|
|
|
lib: Arc<libloading::Library>,
|
|
|
|
ptr: *mut notmuch_query_t,
|
|
|
|
query_str: &'s str,
|
|
|
|
}
|
|
|
|
|
|
|
|
impl<'s> Query<'s> {
|
|
|
|
fn new(
|
|
|
|
lib: Arc<libloading::Library>,
|
|
|
|
database: &*mut notmuch_database_t,
|
|
|
|
query_str: &'s str,
|
|
|
|
) -> Result<Self> {
|
|
|
|
let query_cstr = std::ffi::CString::new(query_str)?;
|
|
|
|
let query: *mut notmuch_query_t =
|
|
|
|
unsafe { call!(lib, notmuch_query_create)(*database, query_cstr.as_ptr()) };
|
|
|
|
if query.is_null() {
|
|
|
|
return Err(MeliError::new("Could not create query. Out of memory?"));
|
|
|
|
}
|
|
|
|
Ok(Query {
|
|
|
|
lib,
|
|
|
|
ptr: query,
|
|
|
|
query_str,
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
fn count(&self) -> Result<u32> {
|
|
|
|
let mut count = 0_u32;
|
|
|
|
try_call!(
|
|
|
|
self.lib,
|
|
|
|
call!(self.lib, notmuch_query_count_messages)(self.ptr, &mut count as *mut _)
|
|
|
|
)
|
|
|
|
.map_err(|err| err.0)?;
|
|
|
|
Ok(count)
|
|
|
|
}
|
|
|
|
|
|
|
|
fn search(&self) -> Result<MessageIterator> {
|
|
|
|
let mut messages: *mut notmuch_messages_t = std::ptr::null_mut();
|
|
|
|
let status = unsafe {
|
|
|
|
call!(self.lib, notmuch_query_search_messages)(self.ptr, &mut messages as *mut _)
|
|
|
|
};
|
|
|
|
if status != 0 {
|
|
|
|
return Err(MeliError::new(format!(
|
|
|
|
"Search for {} returned {}",
|
|
|
|
self.query_str, status,
|
|
|
|
)));
|
|
|
|
}
|
|
|
|
assert!(!messages.is_null());
|
|
|
|
Ok(MessageIterator {
|
|
|
|
messages,
|
|
|
|
lib: self.lib.clone(),
|
|
|
|
})
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl Drop for Query<'_> {
|
|
|
|
fn drop(&mut self) {
|
|
|
|
unsafe {
|
|
|
|
call!(self.lib, notmuch_query_destroy)(self.ptr);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn notmuch_message_into_envelope(
|
|
|
|
lib: Arc<libloading::Library>,
|
|
|
|
index: Arc<RwLock<HashMap<EnvelopeHash, CString>>>,
|
|
|
|
tag_index: Arc<RwLock<BTreeMap<u64, String>>>,
|
|
|
|
database: Arc<DbConnection>,
|
|
|
|
message: *mut notmuch_message_t,
|
|
|
|
) -> Result<Envelope> {
|
|
|
|
let mut response = String::new();
|
|
|
|
let fs_path = unsafe { call!(lib, notmuch_message_get_filename)(message) };
|
|
|
|
let c_str = unsafe { CStr::from_ptr(fs_path) };
|
|
|
|
let mut f = std::fs::File::open(&OsStr::from_bytes(c_str.to_bytes()))?;
|
|
|
|
f.read_to_string(&mut response)?;
|
|
|
|
let msg_id = unsafe { call!(lib, notmuch_message_get_message_id)(message) };
|
|
|
|
let env_hash = {
|
|
|
|
let c_str = unsafe { CStr::from_ptr(msg_id) };
|
|
|
|
let mut hasher = DefaultHasher::default();
|
|
|
|
c_str.hash(&mut hasher);
|
|
|
|
hasher.finish()
|
|
|
|
};
|
|
|
|
{
|
|
|
|
let c_str = unsafe { CStr::from_ptr(msg_id) };
|
|
|
|
index.write().unwrap().insert(env_hash, c_str.into());
|
|
|
|
}
|
|
|
|
let op = Box::new(NotmuchOp {
|
|
|
|
database,
|
|
|
|
lib: lib.clone(),
|
|
|
|
hash: env_hash,
|
|
|
|
index: index.clone(),
|
|
|
|
bytes: Some(response),
|
|
|
|
tag_index: tag_index.clone(),
|
|
|
|
});
|
|
|
|
Envelope::from_token(op, env_hash)
|
|
|
|
.map(|mut env| {
|
|
|
|
let mut tag_lock = tag_index.write().unwrap();
|
|
|
|
let (flags, tags) = TagIterator::new(lib.clone(), message).collect_flags_and_tags();
|
|
|
|
for tag in tags {
|
|
|
|
let mut hasher = DefaultHasher::new();
|
|
|
|
hasher.write(tag.as_bytes());
|
|
|
|
let num = hasher.finish();
|
|
|
|
if !tag_lock.contains_key(&num) {
|
|
|
|
tag_lock.insert(num, tag);
|
|
|
|
}
|
|
|
|
env.labels_mut().push(num);
|
|
|
|
}
|
|
|
|
env.set_flags(flags);
|
|
|
|
env
|
|
|
|
})
|
|
|
|
.chain_err_summary(|| {
|
|
|
|
index.write().unwrap().remove(&env_hash);
|
|
|
|
format!("could not parse path {:?}", c_str)
|
|
|
|
})
|
|
|
|
}
|