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@ -33,9 +33,11 @@ use fnv::FnvHashMap;
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use smallvec::SmallVec;
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use std::collections::hash_map::DefaultHasher;
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use std::collections::BTreeMap;
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use std::ffi::{CStr, CString};
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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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@ -59,6 +61,35 @@ macro_rules! call {
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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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@ -72,8 +103,9 @@ impl Drop for DbConnection {
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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<FnvHashMap<MailboxHash, NotmuchMailbox>>>,
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index: Arc<RwLock<FnvHashMap<EnvelopeHash, &'static CStr>>>,
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index: Arc<RwLock<FnvHashMap<EnvelopeHash, CString>>>,
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tag_index: Arc<RwLock<BTreeMap<u64, String>>>,
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path: PathBuf,
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save_messages_to: Option<PathBuf>,
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@ -198,6 +230,7 @@ impl NotmuchDb {
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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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tag_index: Arc::new(RwLock::new(Default::default())),
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@ -228,33 +261,14 @@ impl NotmuchDb {
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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(false)?;
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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_str = std::ffi::CString::new(query_s).unwrap();
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let query: *mut notmuch_query_t =
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unsafe { call!(self.lib, notmuch_query_create)(*database_lck, query_str.as_ptr()) };
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if query.is_null() {
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return Err(MeliError::new("Could not create query. Out of memory?"));
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}
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let mut messages: *mut notmuch_messages_t = std::ptr::null_mut();
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let status = unsafe {
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call!(self.lib, notmuch_query_search_messages)(query, &mut messages as *mut _)
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};
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if status != 0 {
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return Err(MeliError::new(format!(
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"Search for {} returned {}",
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query_s, status,
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)));
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}
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assert!(!messages.is_null());
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let iter = MessageIterator {
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messages,
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lib: self.lib.clone(),
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};
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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 fs_path = unsafe { call!(self.lib, notmuch_message_get_filename)(message) };
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let c_str = unsafe { CStr::from_ptr(fs_path) };
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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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@ -263,18 +277,19 @@ impl NotmuchDb {
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ret.push(env_hash);
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}
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unsafe {
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call!(self.lib, notmuch_query_destroy)(query);
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}
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Ok(ret)
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}
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fn new_connection(&self, write: bool) -> Result<DbConnection> {
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let path_c = std::ffi::CString::new(self.path.to_str().unwrap()).unwrap();
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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!(self.lib, notmuch_database_open)(
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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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@ -287,13 +302,13 @@ impl NotmuchDb {
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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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self.path.display(),
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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: self.lib.clone(),
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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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@ -307,7 +322,7 @@ impl MailBackend for NotmuchDb {
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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 = self.new_connection(false);
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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 tag_index = self.tag_index.clone();
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let mailboxes = self.mailboxes.clone();
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@ -325,35 +340,22 @@ impl MailBackend for NotmuchDb {
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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 query_str = std::ffi::CString::new(mailbox.query_str.as_str()).unwrap();
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let query: *mut notmuch_query_t =
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unsafe { call!(lib, notmuch_query_create)(*database_lck, query_str.as_ptr()) };
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if query.is_null() {
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tx.send(AsyncStatus::Payload(Err(MeliError::new(
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"Could not create query. Out of memory?",
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))))
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.unwrap();
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tx.send(AsyncStatus::Finished).unwrap();
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return;
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}
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let mut messages: *mut notmuch_messages_t = std::ptr::null_mut();
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let status = unsafe {
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call!(lib, notmuch_query_search_messages)(query, &mut messages as *mut _)
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};
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if status != 0 {
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tx.send(AsyncStatus::Payload(Err(MeliError::new(format!(
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"Search for {} returned {}",
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mailbox.query_str.as_str(),
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status,
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)))))
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.unwrap();
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tx.send(AsyncStatus::Finished).unwrap();
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return;
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}
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assert!(!messages.is_null());
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let iter = MessageIterator {
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messages,
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lib: lib.clone(),
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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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for message in iter {
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let mut response = String::new();
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@ -375,13 +377,15 @@ impl MailBackend for NotmuchDb {
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debug!("could not read fs_path {:?} {}", fs_path, e);
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continue;
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}
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let c_str = unsafe { CStr::from_ptr(fs_path) };
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let env_hash = {
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let msg_id = unsafe { call!(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 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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index.write().unwrap().insert(env_hash, c_str);
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let c_str = unsafe { CStr::from_ptr(fs_path) };
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index.write().unwrap().insert(env_hash, c_str.into());
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let op = Box::new(NotmuchOp {
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database: database.clone(),
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lib: lib.clone(),
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@ -392,10 +396,7 @@ impl MailBackend for NotmuchDb {
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});
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if let Some(mut env) = Envelope::from_token(op, env_hash) {
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let mut tag_lock = tag_index.write().unwrap();
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for tag in (TagIterator {
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tags: unsafe { call!(lib, notmuch_message_get_tags)(message) },
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lib: lib.clone(),
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}) {
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for tag in TagIterator::new(lib.clone(), message) {
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let tag = tag.to_string_lossy().into_owned();
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let mut hasher = DefaultHasher::new();
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@ -412,9 +413,6 @@ impl MailBackend for NotmuchDb {
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index.write().unwrap().remove(&env_hash);
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}
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}
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unsafe {
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call!(lib, notmuch_query_destroy)(query);
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}
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tx.send(AsyncStatus::Payload(Ok(ret))).unwrap();
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tx.send(AsyncStatus::Finished).unwrap();
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};
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@ -425,15 +423,71 @@ impl MailBackend for NotmuchDb {
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fn watch(
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&self,
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_sender: RefreshEventConsumer,
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sender: RefreshEventConsumer,
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_work_context: WorkContext,
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) -> Result<std::thread::ThreadId> {
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extern crate notify;
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use crate::backends::{RefreshEvent, RefreshEventKind::*};
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use notify::{watcher, RecursiveMode, Watcher};
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let (tx, rx) = std::sync::mpsc::channel();
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let mut watcher = watcher(tx, std::time::Duration::from_secs(2)).unwrap();
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watcher.watch(&self.path, RecursiveMode::Recursive).unwrap();
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let path = self.path.clone();
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let lib = self.lib.clone();
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{
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let database = NotmuchDb::new_connection(path.as_path(), lib.clone(), false)?;
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let mut revision_uuid_lck = self.revision_uuid.write().unwrap();
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*revision_uuid_lck = unsafe {
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call!(lib, notmuch_database_get_revision)(
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*database.inner.read().unwrap(),
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std::ptr::null_mut(),
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)
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};
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debug!(*revision_uuid_lck);
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}
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let revision_uuid = self.revision_uuid.clone();
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let handle = std::thread::Builder::new()
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.name(format!(
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"watching {}",
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self.path.file_name().unwrap().to_str().unwrap()
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))
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.spawn(move || {})?;
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.spawn(move || {
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let _watcher = watcher;
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let c = move || -> std::result::Result<(), MeliError> {
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loop {
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let _ = rx.recv().map_err(|err| err.to_string())?;
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let database =
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NotmuchDb::new_connection(path.as_path(), lib.clone(), false)?;
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let database_lck = database.inner.read().unwrap();
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let mut revision_uuid_lck = revision_uuid.write().unwrap();
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let new_revision = unsafe {
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call!(lib, notmuch_database_get_revision)(
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*database_lck,
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std::ptr::null_mut(),
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)
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};
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if new_revision > *revision_uuid_lck {
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debug!(new_revision);
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debug!(*revision_uuid_lck);
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let query_str =
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|
|
format!("lastmod:{}..{}", *revision_uuid_lck, new_revision);
|
|
|
|
|
let query: Query = Query::new(lib.clone(), &database_lck, &query_str)?;
|
|
|
|
|
let iter = query.search()?;
|
|
|
|
|
*revision_uuid_lck = new_revision;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
if let Err(err) = c() {
|
|
|
|
|
sender.send(RefreshEvent {
|
|
|
|
|
hash: 0,
|
|
|
|
|
kind: Failure(err.into()),
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
})?;
|
|
|
|
|
Ok(handle.thread().id())
|
|
|
|
|
}
|
|
|
|
|
fn mailboxes(&self) -> Result<FnvHashMap<MailboxHash, Mailbox>> {
|
|
|
|
@ -447,7 +501,9 @@ impl MailBackend for NotmuchDb {
|
|
|
|
|
}
|
|
|
|
|
fn operation(&self, hash: EnvelopeHash) -> Box<dyn BackendOp> {
|
|
|
|
|
Box::new(NotmuchOp {
|
|
|
|
|
database: Arc::new(self.new_connection(true).unwrap()),
|
|
|
|
|
database: Arc::new(
|
|
|
|
|
Self::new_connection(self.path.as_path(), self.lib.clone(), true).unwrap(),
|
|
|
|
|
),
|
|
|
|
|
lib: self.lib.clone(),
|
|
|
|
|
hash,
|
|
|
|
|
index: self.index.clone(),
|
|
|
|
@ -477,7 +533,7 @@ impl MailBackend for NotmuchDb {
|
|
|
|
|
#[derive(Debug)]
|
|
|
|
|
struct NotmuchOp {
|
|
|
|
|
hash: EnvelopeHash,
|
|
|
|
|
index: Arc<RwLock<FnvHashMap<EnvelopeHash, &'static CStr>>>,
|
|
|
|
|
index: Arc<RwLock<FnvHashMap<EnvelopeHash, CString>>>,
|
|
|
|
|
tag_index: Arc<RwLock<BTreeMap<u64, String>>>,
|
|
|
|
|
database: Arc<DbConnection>,
|
|
|
|
|
bytes: Option<String>,
|
|
|
|
@ -491,7 +547,7 @@ impl BackendOp for NotmuchOp {
|
|
|
|
|
|
|
|
|
|
fn as_bytes(&mut self) -> Result<&[u8]> {
|
|
|
|
|
let path = &self.index.read().unwrap()[&self.hash];
|
|
|
|
|
let mut f = std::fs::File::open(path.to_str().unwrap())?;
|
|
|
|
|
let mut f = std::fs::File::open(&OsStr::from_bytes(path.to_bytes()))?;
|
|
|
|
|
let mut response = String::new();
|
|
|
|
|
f.read_to_string(&mut response)?;
|
|
|
|
|
self.bytes = Some(response);
|
|
|
|
@ -500,22 +556,21 @@ impl BackendOp for NotmuchOp {
|
|
|
|
|
|
|
|
|
|
fn fetch_flags(&self) -> Flag {
|
|
|
|
|
let mut flag = Flag::default();
|
|
|
|
|
let path = self.index.read().unwrap()[&self.hash].to_str().unwrap();
|
|
|
|
|
if !path.contains(":2,") {
|
|
|
|
|
return flag;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for f in path.chars().rev() {
|
|
|
|
|
let path = &self.index.read().unwrap()[&self.hash];
|
|
|
|
|
for f in path.to_bytes().iter().rev() {
|
|
|
|
|
match f {
|
|
|
|
|
',' => break,
|
|
|
|
|
'D' => flag |= Flag::DRAFT,
|
|
|
|
|
'F' => flag |= Flag::FLAGGED,
|
|
|
|
|
'P' => flag |= Flag::PASSED,
|
|
|
|
|
'R' => flag |= Flag::REPLIED,
|
|
|
|
|
'S' => flag |= Flag::SEEN,
|
|
|
|
|
'T' => flag |= Flag::TRASHED,
|
|
|
|
|
b',' => break,
|
|
|
|
|
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,
|
|
|
|
|
_ => {
|
|
|
|
|
debug!("DEBUG: in fetch_flags, path is {}", path);
|
|
|
|
|
debug!(
|
|
|
|
|
"DEBUG: in fetch_flags, unknown flag '{}' path is {:?}",
|
|
|
|
|
f, path
|
|
|
|
|
);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
@ -540,11 +595,8 @@ impl BackendOp for NotmuchOp {
|
|
|
|
|
)));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
let tags = (TagIterator {
|
|
|
|
|
tags: unsafe { call!(self.lib, notmuch_message_get_tags)(message) },
|
|
|
|
|
lib: self.lib.clone(),
|
|
|
|
|
})
|
|
|
|
|
.collect::<Vec<&CStr>>();
|
|
|
|
|
// TODO: freeze/thaw message.
|
|
|
|
|
let tags = TagIterator::new(self.lib.clone(), message).collect::<Vec<&CStr>>();
|
|
|
|
|
debug!(&tags);
|
|
|
|
|
|
|
|
|
|
macro_rules! cstr {
|
|
|
|
@ -553,32 +605,34 @@ impl BackendOp for NotmuchOp {
|
|
|
|
|
};
|
|
|
|
|
}
|
|
|
|
|
macro_rules! add_tag {
|
|
|
|
|
($l:literal) => {
|
|
|
|
|
unsafe {
|
|
|
|
|
if tags.contains(&cstr!($l)) {
|
|
|
|
|
return Ok(());
|
|
|
|
|
}
|
|
|
|
|
if call!(self.lib, notmuch_message_add_tag)(message, cstr!($l).as_ptr())
|
|
|
|
|
!= _notmuch_status_NOTMUCH_STATUS_SUCCESS
|
|
|
|
|
{
|
|
|
|
|
return Err(MeliError::new("Could not set tag."));
|
|
|
|
|
}
|
|
|
|
|
($l:literal) => {{
|
|
|
|
|
if tags.contains(unsafe { &cstr!($l) }) {
|
|
|
|
|
return Ok(());
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
if let Err(err) = try_call!(
|
|
|
|
|
self.lib,
|
|
|
|
|
call!(self.lib, notmuch_message_add_tag)(message, cstr!($l).as_ptr())
|
|
|
|
|
) {
|
|
|
|
|
return Err(
|
|
|
|
|
MeliError::new("Could not set tag.").set_source(Some(Arc::new(err)))
|
|
|
|
|
);
|
|
|
|
|
}
|
|
|
|
|
}};
|
|
|
|
|
}
|
|
|
|
|
macro_rules! remove_tag {
|
|
|
|
|
($l:literal) => {
|
|
|
|
|
unsafe {
|
|
|
|
|
if !tags.contains(&cstr!($l)) {
|
|
|
|
|
return Ok(());
|
|
|
|
|
}
|
|
|
|
|
if call!(self.lib, notmuch_message_remove_tag)(message, cstr!($l).as_ptr())
|
|
|
|
|
!= _notmuch_status_NOTMUCH_STATUS_SUCCESS
|
|
|
|
|
{
|
|
|
|
|
return Err(MeliError::new("Could not set tag."));
|
|
|
|
|
}
|
|
|
|
|
($l:literal) => {{
|
|
|
|
|
if !tags.contains(unsafe { &cstr!($l) }) {
|
|
|
|
|
return Ok(());
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
if let Err(err) = try_call!(
|
|
|
|
|
self.lib,
|
|
|
|
|
call!(self.lib, notmuch_message_remove_tag)(message, cstr!($l).as_ptr())
|
|
|
|
|
) {
|
|
|
|
|
return Err(
|
|
|
|
|
MeliError::new("Could not set tag.").set_source(Some(Arc::new(err)))
|
|
|
|
|
);
|
|
|
|
|
}
|
|
|
|
|
}};
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
match f {
|
|
|
|
@ -598,23 +652,18 @@ impl BackendOp for NotmuchOp {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Update message filesystem path. */
|
|
|
|
|
if unsafe { call!(self.lib, notmuch_message_tags_to_maildir_flags)(message) }
|
|
|
|
|
!= _notmuch_status_NOTMUCH_STATUS_SUCCESS
|
|
|
|
|
{
|
|
|
|
|
return Err(MeliError::new("Could not set tag."));
|
|
|
|
|
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 fs_path = unsafe { call!(self.lib, notmuch_message_get_filename)(message) };
|
|
|
|
|
let c_str = unsafe { CStr::from_ptr(fs_path) };
|
|
|
|
|
if let Some(p) = index_lck.get_mut(&self.hash) {
|
|
|
|
|
*p = c_str;
|
|
|
|
|
*p = c_str.into();
|
|
|
|
|
}
|
|
|
|
|
let new_hash = {
|
|
|
|
|
let mut hasher = DefaultHasher::default();
|
|
|
|
|
c_str.hash(&mut hasher);
|
|
|
|
|
hasher.finish()
|
|
|
|
|
};
|
|
|
|
|
index_lck.insert(new_hash, c_str);
|
|
|
|
|
|
|
|
|
|
Ok(())
|
|
|
|
|
}
|
|
|
|
@ -636,25 +685,25 @@ impl BackendOp for NotmuchOp {
|
|
|
|
|
)));
|
|
|
|
|
}
|
|
|
|
|
if value {
|
|
|
|
|
if unsafe {
|
|
|
|
|
if let Err(err) = try_call!(
|
|
|
|
|
self.lib,
|
|
|
|
|
call!(self.lib, notmuch_message_add_tag)(
|
|
|
|
|
message,
|
|
|
|
|
CString::new(tag.as_str()).unwrap().as_ptr(),
|
|
|
|
|
)
|
|
|
|
|
} != _notmuch_status_NOTMUCH_STATUS_SUCCESS
|
|
|
|
|
{
|
|
|
|
|
return Err(MeliError::new("Could not set tag."));
|
|
|
|
|
) {
|
|
|
|
|
return Err(MeliError::new("Could not set tag.").set_source(Some(Arc::new(err))));
|
|
|
|
|
}
|
|
|
|
|
debug!("added tag {}", &tag);
|
|
|
|
|
} else {
|
|
|
|
|
if unsafe {
|
|
|
|
|
if let Err(err) = try_call!(
|
|
|
|
|
self.lib,
|
|
|
|
|
call!(self.lib, notmuch_message_remove_tag)(
|
|
|
|
|
message,
|
|
|
|
|
CString::new(tag.as_str()).unwrap().as_ptr(),
|
|
|
|
|
)
|
|
|
|
|
} != _notmuch_status_NOTMUCH_STATUS_SUCCESS
|
|
|
|
|
{
|
|
|
|
|
return Err(MeliError::new("Could not set tag."));
|
|
|
|
|
) {
|
|
|
|
|
return Err(MeliError::new("Could not set tag.").set_source(Some(Arc::new(err))));
|
|
|
|
|
}
|
|
|
|
|
debug!("removed tag {}", &tag);
|
|
|
|
|
}
|
|
|
|
@ -706,6 +755,15 @@ pub struct TagIterator {
|
|
|
|
|
tags: *mut notmuch_tags_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,
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
impl Iterator for TagIterator {
|
|
|
|
|
type Item = &'static CStr;
|
|
|
|
|
fn next(&mut self) -> Option<Self::Item> {
|
|
|
|
@ -723,3 +781,55 @@ impl Iterator for TagIterator {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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 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);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|