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|
use ruma::{ServerName, UserId};
use crate::{
database::KeyValueDatabase,
service::{
self,
sending::{OutgoingKind, SendingEventType},
},
services, utils, Error, Result,
};
impl service::sending::Data for KeyValueDatabase {
fn active_requests<'a>(
&'a self,
) -> Box<dyn Iterator<Item = Result<(Vec<u8>, OutgoingKind, SendingEventType)>> + 'a> {
Box::new(
self.servercurrentevent_data
.iter()
.map(|(key, v)| parse_servercurrentevent(&key, v).map(|(k, e)| (key, k, e))),
)
}
fn active_requests_for<'a>(
&'a self,
outgoing_kind: &OutgoingKind,
) -> Box<dyn Iterator<Item = Result<(Vec<u8>, SendingEventType)>> + 'a> {
let prefix = outgoing_kind.get_prefix();
Box::new(
self.servercurrentevent_data
.scan_prefix(prefix)
.map(|(key, v)| parse_servercurrentevent(&key, v).map(|(_, e)| (key, e))),
)
}
fn delete_active_request(&self, key: Vec<u8>) -> Result<()> {
self.servercurrentevent_data.remove(&key)
}
fn delete_all_active_requests_for(&self, outgoing_kind: &OutgoingKind) -> Result<()> {
let prefix = outgoing_kind.get_prefix();
for (key, _) in self.servercurrentevent_data.scan_prefix(prefix) {
self.servercurrentevent_data.remove(&key)?;
}
Ok(())
}
fn delete_all_requests_for(&self, outgoing_kind: &OutgoingKind) -> Result<()> {
let prefix = outgoing_kind.get_prefix();
for (key, _) in self.servercurrentevent_data.scan_prefix(prefix.clone()) {
self.servercurrentevent_data.remove(&key).unwrap();
}
for (key, _) in self.servernameevent_data.scan_prefix(prefix) {
self.servernameevent_data.remove(&key).unwrap();
}
Ok(())
}
fn queue_requests(
&self,
requests: &[(&OutgoingKind, SendingEventType)],
) -> Result<Vec<Vec<u8>>> {
let mut batch = Vec::new();
let mut keys = Vec::new();
for (outgoing_kind, event) in requests {
let mut key = outgoing_kind.get_prefix();
if let SendingEventType::Pdu(value) = &event {
key.extend_from_slice(value)
} else {
key.extend_from_slice(&services().globals.next_count()?.to_be_bytes())
}
let value = if let SendingEventType::Edu(value) = &event {
&**value
} else {
&[]
};
batch.push((key.clone(), value.to_owned()));
keys.push(key);
}
self.servernameevent_data
.insert_batch(&mut batch.into_iter())?;
Ok(keys)
}
fn queued_requests<'a>(
&'a self,
outgoing_kind: &OutgoingKind,
) -> Box<dyn Iterator<Item = Result<(SendingEventType, Vec<u8>)>> + 'a> {
let prefix = outgoing_kind.get_prefix();
return Box::new(
self.servernameevent_data
.scan_prefix(prefix)
.map(|(k, v)| parse_servercurrentevent(&k, v).map(|(_, ev)| (ev, k))),
);
}
fn mark_as_active(&self, events: &[(SendingEventType, Vec<u8>)]) -> Result<()> {
for (e, key) in events {
let value = if let SendingEventType::Edu(value) = &e {
&**value
} else {
&[]
};
self.servercurrentevent_data.insert(key, value)?;
self.servernameevent_data.remove(key)?;
}
Ok(())
}
fn set_latest_educount(&self, server_name: &ServerName, last_count: u64) -> Result<()> {
self.servername_educount
.insert(server_name.as_bytes(), &last_count.to_be_bytes())
}
fn get_latest_educount(&self, server_name: &ServerName) -> Result<u64> {
self.servername_educount
.get(server_name.as_bytes())?
.map_or(Ok(0), |bytes| {
utils::u64_from_bytes(&bytes)
.map_err(|_| Error::bad_database("Invalid u64 in servername_educount."))
})
}
}
#[tracing::instrument(skip(key))]
fn parse_servercurrentevent(
key: &[u8],
value: Vec<u8>,
) -> Result<(OutgoingKind, SendingEventType)> {
// Appservices start with a plus
Ok::<_, Error>(if key.starts_with(b"+") {
let mut parts = key[1..].splitn(2, |&b| b == 0xff);
let server = parts.next().expect("splitn always returns one element");
let event = parts
.next()
.ok_or_else(|| Error::bad_database("Invalid bytes in servercurrentpdus."))?;
let server = utils::string_from_bytes(server).map_err(|_| {
Error::bad_database("Invalid server bytes in server_currenttransaction")
})?;
(
OutgoingKind::Appservice(server),
if value.is_empty() {
SendingEventType::Pdu(event.to_vec())
} else {
SendingEventType::Edu(value)
},
)
} else if key.starts_with(b"$") {
let mut parts = key[1..].splitn(3, |&b| b == 0xff);
let user = parts.next().expect("splitn always returns one element");
let user_string = utils::string_from_bytes(user)
.map_err(|_| Error::bad_database("Invalid user string in servercurrentevent"))?;
let user_id = UserId::parse(user_string)
.map_err(|_| Error::bad_database("Invalid user id in servercurrentevent"))?;
let pushkey = parts
.next()
.ok_or_else(|| Error::bad_database("Invalid bytes in servercurrentpdus."))?;
let pushkey_string = utils::string_from_bytes(pushkey)
.map_err(|_| Error::bad_database("Invalid pushkey in servercurrentevent"))?;
let event = parts
.next()
.ok_or_else(|| Error::bad_database("Invalid bytes in servercurrentpdus."))?;
(
OutgoingKind::Push(user_id, pushkey_string),
if value.is_empty() {
SendingEventType::Pdu(event.to_vec())
} else {
// I'm pretty sure this should never be called
SendingEventType::Edu(value)
},
)
} else {
let mut parts = key.splitn(2, |&b| b == 0xff);
let server = parts.next().expect("splitn always returns one element");
let event = parts
.next()
.ok_or_else(|| Error::bad_database("Invalid bytes in servercurrentpdus."))?;
let server = utils::string_from_bytes(server).map_err(|_| {
Error::bad_database("Invalid server bytes in server_currenttransaction")
})?;
(
OutgoingKind::Normal(ServerName::parse(server).map_err(|_| {
Error::bad_database("Invalid server string in server_currenttransaction")
})?),
if value.is_empty() {
SendingEventType::Pdu(event.to_vec())
} else {
SendingEventType::Edu(value)
},
)
})
}
|
