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feat: improved state store

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This commit is contained in:
Timo Kösters 2020-12-19 16:00:11 +01:00
parent 6e5b35ea92
commit 6606e41dde
No known key found for this signature in database
GPG key ID: 24DA7517711A2BA4
13 changed files with 405 additions and 251 deletions
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32
src/client_server/alias.rs
View file

@ -1,5 +1,5 @@
use super::State;
use crate::{appservice_server, server_server, ConduitResult, Database, Error, Ruma};
use crate::{ConduitResult, Database, Error, Ruma};
use ruma::{
api::{
appservice,
@ -66,12 +66,14 @@ pub async fn get_alias_helper(
room_alias: &RoomAliasId,
) -> ConduitResult<get_alias::Response> {
if room_alias.server_name() != db.globals.server_name() {
let response = server_server::send_request(
&db.globals,
room_alias.server_name().to_owned(),
federation::query::get_room_information::v1::Request { room_alias },
)
.await?;
let response = db
.sending
.send_federation_request(
&db.globals,
room_alias.server_name().to_owned(),
federation::query::get_room_information::v1::Request { room_alias },
)
.await?;
return Ok(get_alias::Response::new(response.room_id, response.servers).into());
}
@ -81,13 +83,15 @@ pub async fn get_alias_helper(
Some(r) => room_id = Some(r),
None => {
for (_id, registration) in db.appservice.iter_all().filter_map(|r| r.ok()) {
if appservice_server::send_request(
&db.globals,
registration,
appservice::query::query_room_alias::v1::Request { room_alias },
)
.await
.is_ok()
if db
.sending
.send_appservice_request(
&db.globals,
registration,
appservice::query::query_room_alias::v1::Request { room_alias },
)
.await
.is_ok()
{
room_id = Some(db.rooms.id_from_alias(&room_alias)?.ok_or_else(|| {
Error::bad_config("Appservice lied to us. Room does not exist.")

28
src/client_server/directory.rs
View file

@ -1,5 +1,5 @@
use super::State;
use crate::{server_server, ConduitResult, Database, Error, Result, Ruma};
use crate::{ConduitResult, Database, Error, Result, Ruma};
use log::info;
use ruma::{
api::{
@ -133,19 +133,21 @@ pub async fn get_public_rooms_filtered_helper(
.clone()
.filter(|server| *server != db.globals.server_name().as_str())
{
let response = server_server::send_request(
&db.globals,
other_server.to_owned(),
federation::directory::get_public_rooms_filtered::v1::Request {
limit,
since: since.as_deref(),
filter: Filter {
generic_search_term: filter.generic_search_term.as_deref(),
let response = db
.sending
.send_federation_request(
&db.globals,
other_server.to_owned(),
federation::directory::get_public_rooms_filtered::v1::Request {
limit,
since: since.as_deref(),
filter: Filter {
generic_search_term: filter.generic_search_term.as_deref(),
},
room_network: RoomNetwork::Matrix,
},
room_network: RoomNetwork::Matrix,
},
)
.await?;
)
.await?;
return Ok(get_public_rooms_filtered::Response {
chunk: response

60
src/client_server/media.rs
View file

@ -1,7 +1,5 @@
use super::State;
use crate::{
database::media::FileMeta, server_server, utils, ConduitResult, Database, Error, Ruma,
};
use crate::{database::media::FileMeta, utils, ConduitResult, Database, Error, Ruma};
use ruma::api::client::{
error::ErrorKind,
r0::media::{create_content, get_content, get_content_thumbnail, get_media_config},
@ -45,7 +43,11 @@ pub async fn create_content_route(
db.flush().await?;
Ok(create_content::Response { content_uri: mxc, blurhash: None }.into())
Ok(create_content::Response {
content_uri: mxc,
blurhash: None,
}
.into())
}
#[cfg_attr(
@ -71,16 +73,18 @@ pub async fn get_content_route(
}
.into())
} else if &*body.server_name != db.globals.server_name() && body.allow_remote {
let get_content_response = server_server::send_request(
&db.globals,
body.server_name.clone(),
get_content::Request {
allow_remote: false,
server_name: &body.server_name,
media_id: &body.media_id,
},
)
.await?;
let get_content_response = db
.sending
.send_federation_request(
&db.globals,
body.server_name.clone(),
get_content::Request {
allow_remote: false,
server_name: &body.server_name,
media_id: &body.media_id,
},
)
.await?;
db.media.create(
mxc,
@ -118,19 +122,21 @@ pub async fn get_content_thumbnail_route(
)? {
Ok(get_content_thumbnail::Response { file, content_type }.into())
} else if &*body.server_name != db.globals.server_name() && body.allow_remote {
let get_thumbnail_response = server_server::send_request(
&db.globals,
body.server_name.clone(),
get_content_thumbnail::Request {
allow_remote: false,
height: body.height,
width: body.width,
method: body.method,
server_name: &body.server_name,
media_id: &body.media_id,
},
)
.await?;
let get_thumbnail_response = db
.sending
.send_federation_request(
&db.globals,
body.server_name.clone(),
get_content_thumbnail::Request {
allow_remote: false,
height: body.height,
width: body.width,
method: body.method,
server_name: &body.server_name,
media_id: &body.media_id,
},
)
.await?;
db.media.upload_thumbnail(
mxc,

55
src/client_server/membership.rs
View file

@ -2,7 +2,7 @@ use super::State;
use crate::{
client_server,
pdu::{PduBuilder, PduEvent},
server_server, utils, ConduitResult, Database, Error, Result, Ruma,
utils, ConduitResult, Database, Error, Result, Ruma,
};
use log::warn;
use ruma::{
@ -401,9 +401,10 @@ pub async fn get_member_events_route(
Ok(get_member_events::Response {
chunk: db
.rooms
.room_state_type(&body.room_id, &EventType::RoomMember)?
.values()
.map(|pdu| pdu.to_member_event())
.room_state_full(&body.room_id)?
.iter()
.filter(|(key, _)| key.0 == EventType::RoomMember)
.map(|(_, pdu)| pdu.to_member_event())
.collect(),
}
.into())
@ -463,16 +464,18 @@ async fn join_room_by_id_helper(
));
for remote_server in servers {
let make_join_response = server_server::send_request(
&db.globals,
remote_server.clone(),
federation::membership::create_join_event_template::v1::Request {
room_id,
user_id: sender_user,
ver: &[RoomVersionId::Version5, RoomVersionId::Version6],
},
)
.await;
let make_join_response = db
.sending
.send_federation_request(
&db.globals,
remote_server.clone(),
federation::membership::create_join_event_template::v1::Request {
room_id,
user_id: sender_user,
ver: &[RoomVersionId::Version5, RoomVersionId::Version6],
},
)
.await;
make_join_response_and_server = make_join_response.map(|r| (r, remote_server));
@ -540,16 +543,18 @@ async fn join_room_by_id_helper(
// It has enough fields to be called a proper event now
let join_event = join_event_stub;
let send_join_response = server_server::send_request(
&db.globals,
remote_server.clone(),
federation::membership::create_join_event::v2::Request {
room_id,
event_id: &event_id,
pdu: PduEvent::convert_to_outgoing_federation_event(join_event.clone()),
},
)
.await?;
let send_join_response = db
.sending
.send_federation_request(
&db.globals,
remote_server.clone(),
federation::membership::create_join_event::v2::Request {
room_id,
event_id: &event_id,
pdu: PduEvent::convert_to_outgoing_federation_event(join_event.clone()),
},
)
.await?;
let add_event_id = |pdu: &Raw<Pdu>| -> Result<(EventId, CanonicalJsonObject)> {
let mut value = serde_json::from_str(pdu.json().get())
@ -694,7 +699,7 @@ async fn join_room_by_id_helper(
}
}
db.rooms.force_state(room_id, state)?;
db.rooms.force_state(room_id, state, &db.globals)?;
} else {
let event = member::MemberEventContent {
membership: member::MembershipState::Join,

19
src/client_server/read_marker.rs
View file

@ -1,7 +1,9 @@
use super::State;
use crate::{ConduitResult, Database, Error, Ruma};
use ruma::{
api::client::{error::ErrorKind, r0::read_marker::set_read_marker},
api::client::{
error::ErrorKind, r0::capabilities::get_capabilities, r0::read_marker::set_read_marker,
},
events::{AnyEphemeralRoomEvent, AnyEvent, EventType},
};
@ -76,3 +78,18 @@ pub async fn set_read_marker_route(
Ok(set_read_marker::Response.into())
}
#[cfg_attr(
feature = "conduit_bin",
post("/_matrix/client/r0/rooms/<_>/receipt/<_>/<_>", data = "<body>")
)]
pub async fn set_receipt_route(
db: State<'_, Database>,
body: Ruma<get_capabilities::Request>,
) -> ConduitResult<set_read_marker::Response> {
let _sender_user = body.sender_user.as_ref().expect("user is authenticated");
db.flush().await?;
Ok(set_read_marker::Response.into())
}

111
src/client_server/sync.rs
View file

@ -102,9 +102,15 @@ pub async fn sync_events_route(
}
// Database queries:
let encrypted_room = db
.rooms
.room_state_get(&room_id, &EventType::RoomEncryption, "")?
let current_state = db.rooms.room_state_full(&room_id)?;
let current_members = current_state
.iter()
.filter(|(key, _)| key.0 == EventType::RoomMember)
.map(|(key, value)| (&key.1, value)) // Only keep state key
.collect::<Vec<_>>();
let encrypted_room = current_state
.get(&(EventType::RoomEncryption, "".to_owned()))
.is_some();
// These type is Option<Option<_>>. The outer Option is None when there is no event between
@ -117,45 +123,45 @@ pub async fn sync_events_route(
.as_ref()
.map(|pdu| db.rooms.pdu_state_hash(&pdu.as_ref().ok()?.0).ok()?);
let since_members = since_state_hash.as_ref().map(|state_hash| {
state_hash.as_ref().and_then(|state_hash| {
db.rooms
.state_type(&state_hash, &EventType::RoomMember)
.ok()
})
let since_state = since_state_hash.as_ref().map(|state_hash| {
state_hash
.as_ref()
.and_then(|state_hash| db.rooms.state_full(&room_id, &state_hash).ok())
});
let since_encryption = since_state_hash.as_ref().map(|state_hash| {
state_hash.as_ref().and_then(|state_hash| {
db.rooms
.state_get(&state_hash, &EventType::RoomEncryption, "")
.ok()
})
let since_encryption = since_state.as_ref().map(|state| {
state
.as_ref()
.map(|state| state.get(&(EventType::RoomEncryption, "".to_owned())))
});
let current_members = db.rooms.room_state_type(&room_id, &EventType::RoomMember)?;
// Calculations:
let new_encrypted_room =
encrypted_room && since_encryption.map_or(false, |encryption| encryption.is_none());
let send_member_count = since_members.as_ref().map_or(false, |since_members| {
since_members.as_ref().map_or(true, |since_members| {
current_members.len() != since_members.len()
let send_member_count = since_state.as_ref().map_or(false, |since_state| {
since_state.as_ref().map_or(true, |since_state| {
current_members.len()
!= since_state
.iter()
.filter(|(key, _)| key.0 == EventType::RoomMember)
.count()
})
});
let since_sender_member = since_members.as_ref().map(|since_members| {
since_members.as_ref().and_then(|members| {
members.get(sender_user.as_str()).and_then(|pdu| {
serde_json::from_value::<Raw<ruma::events::room::member::MemberEventContent>>(
pdu.content.clone(),
)
.expect("Raw::from_value always works")
.deserialize()
.map_err(|_| Error::bad_database("Invalid PDU in database."))
.ok()
})
let since_sender_member = since_state.as_ref().map(|since_state| {
since_state.as_ref().and_then(|state| {
state
.get(&(EventType::RoomMember, sender_user.as_str().to_owned()))
.and_then(|pdu| {
serde_json::from_value::<
Raw<ruma::events::room::member::MemberEventContent>,
>(pdu.content.clone())
.expect("Raw::from_value always works")
.deserialize()
.map_err(|_| Error::bad_database("Invalid PDU in database."))
.ok()
})
})
});
@ -170,30 +176,32 @@ pub async fn sync_events_route(
.membership;
let since_membership =
since_members
since_state
.as_ref()
.map_or(MembershipState::Join, |members| {
members
.map_or(MembershipState::Join, |since_state| {
since_state
.as_ref()
.and_then(|members| {
members.get(&user_id).and_then(|since_member| {
serde_json::from_value::<
Raw<ruma::events::room::member::MemberEventContent>,
>(
since_member.content.clone()
)
.expect("Raw::from_value always works")
.deserialize()
.map_err(|_| {
Error::bad_database("Invalid PDU in database.")
.and_then(|since_state| {
since_state
.get(&(EventType::RoomMember, user_id.clone()))
.and_then(|since_member| {
serde_json::from_value::<
Raw<ruma::events::room::member::MemberEventContent>,
>(
since_member.content.clone()
)
.expect("Raw::from_value always works")
.deserialize()
.map_err(|_| {
Error::bad_database("Invalid PDU in database.")
})
.ok()
})
.ok()
})
})
.map_or(MembershipState::Leave, |member| member.membership)
});
let user_id = UserId::try_from(user_id)
let user_id = UserId::try_from(user_id.clone())
.map_err(|_| Error::bad_database("Invalid UserId in member PDU."))?;
match (since_membership, current_membership) {
@ -456,7 +464,12 @@ pub async fn sync_events_route(
})
.and_then(|state_hash| {
db.rooms
.state_get(&state_hash, &EventType::RoomMember, sender_user.as_str())
.state_get(
&room_id,
&state_hash,
&EventType::RoomMember,
sender_user.as_str(),
)
.ok()?
.ok_or_else(|| Error::bad_database("State hash in db doesn't have a state."))
.ok()

13
src/database.rs
View file

@ -20,6 +20,7 @@ use serde::Deserialize;
use std::collections::HashMap;
use std::sync::{Arc, RwLock};
use std::{convert::TryInto, fs::remove_dir_all};
use tokio::sync::Semaphore;
#[derive(Clone, Deserialize)]
pub struct Config {
@ -30,6 +31,8 @@ pub struct Config {
cache_capacity: u64,
#[serde(default = "default_max_request_size")]
max_request_size: u32,
#[serde(default = "default_max_concurrent_requests")]
max_concurrent_requests: u16,
#[serde(default)]
registration_disabled: bool,
#[serde(default)]
@ -39,7 +42,9 @@ pub struct Config {
}
fn default_server_name() -> Box<ServerName> {
"localhost".try_into().expect("")
"localhost"
.try_into()
.expect("localhost is valid servername")
}
fn default_cache_capacity() -> u64 {
@ -50,6 +55,10 @@ fn default_max_request_size() -> u32 {
20 * 1024 * 1024 // Default to 20 MB
}
fn default_max_concurrent_requests() -> u16 {
4
}
#[derive(Clone)]
pub struct Database {
pub globals: globals::Globals,
@ -159,6 +168,7 @@ impl Database {
roomuserid_invited: db.open_tree("roomuserid_invited")?,
userroomid_left: db.open_tree("userroomid_left")?,
statekey_short: db.open_tree("statekey_short")?,
stateid_pduid: db.open_tree("stateid_pduid")?,
pduid_statehash: db.open_tree("pduid_statehash")?,
roomid_statehash: db.open_tree("roomid_statehash")?,
@ -180,6 +190,7 @@ impl Database {
sending: sending::Sending {
servernamepduids: db.open_tree("servernamepduids")?,
servercurrentpdus: db.open_tree("servercurrentpdus")?,
maximum_requests: Arc::new(Semaphore::new(10)),
},
admin: admin::Admin {
sender: admin_sender,

10
src/database/globals.rs
View file

@ -4,6 +4,7 @@ use ruma::ServerName;
use std::collections::HashMap;
use std::sync::Arc;
use std::sync::RwLock;
use std::time::Duration;
use trust_dns_resolver::TokioAsyncResolver;
pub const COUNTER: &str = "c";
@ -54,11 +55,18 @@ impl Globals {
}
};
let reqwest_client = reqwest::Client::builder()
.connect_timeout(Duration::from_secs(30))
.timeout(Duration::from_secs(60 * 3))
.pool_max_idle_per_host(1)
.build()
.unwrap();
Ok(Self {
globals,
config,
keypair: Arc::new(keypair),
reqwest_client: reqwest::Client::new(),
reqwest_client,
dns_resolver: TokioAsyncResolver::tokio_from_system_conf()
.await
.map_err(|_| {

178
src/database/rooms.rs
View file

@ -62,7 +62,8 @@ pub struct Rooms {
/// Remember the state hash at events in the past.
pub(super) pduid_statehash: sled::Tree,
/// The state for a given state hash.
pub(super) stateid_pduid: sled::Tree, // StateId = StateHash + EventType + StateKey
pub(super) statekey_short: sled::Tree, // StateKey = EventType + StateKey, Short = Count
pub(super) stateid_pduid: sled::Tree, // StateId = StateHash + Short, PduId = Count (without roomid)
}
impl StateStore for Rooms {
@ -106,21 +107,28 @@ impl StateStore for Rooms {
impl Rooms {
/// Builds a StateMap by iterating over all keys that start
/// with state_hash, this gives the full state for the given state_hash.
pub fn state_full(&self, state_hash: &StateHashId) -> Result<StateMap<PduEvent>> {
pub fn state_full(
&self,
room_id: &RoomId,
state_hash: &StateHashId,
) -> Result<StateMap<PduEvent>> {
self.stateid_pduid
.scan_prefix(&state_hash)
.values()
.map(|pduid| {
self.pduid_pdu.get(&pduid?)?.map_or_else(
|| Err(Error::bad_database("Failed to find StateMap.")),
.map(|pduid_short| {
let mut pduid = room_id.as_bytes().to_vec();
pduid.push(0xff);
pduid.extend_from_slice(&pduid_short?);
self.pduid_pdu.get(&pduid)?.map_or_else(
|| Err(Error::bad_database("Failed to find PDU in state snapshot.")),
|b| {
serde_json::from_slice::<PduEvent>(&b)
.map_err(|_| Error::bad_database("Invalid PDU in db."))
},
)
})
.filter_map(|r| r.ok())
.map(|pdu| {
let pdu = pdu?;
Ok((
(
pdu.kind.clone(),
@ -135,64 +143,45 @@ impl Rooms {
.collect::<Result<StateMap<_>>>()
}
/// Returns all state entries for this type.
pub fn state_type(
&self,
state_hash: &StateHashId,
event_type: &EventType,
) -> Result<HashMap<String, PduEvent>> {
let mut prefix = state_hash.to_vec();
prefix.push(0xff);
prefix.extend_from_slice(&event_type.to_string().as_bytes());
prefix.push(0xff);
let mut hashmap = HashMap::new();
for pdu in self
.stateid_pduid
.scan_prefix(&prefix)
.values()
.map(|pdu_id| {
Ok::<_, Error>(
serde_json::from_slice::<PduEvent>(&self.pduid_pdu.get(pdu_id?)?.ok_or_else(
|| Error::bad_database("PDU in state not found in database."),
)?)
.map_err(|_| Error::bad_database("Invalid PDU bytes in room state."))?,
)
})
{
let pdu = pdu?;
let state_key = pdu.state_key.clone().ok_or_else(|| {
Error::bad_database("Room state contains event without state_key.")
})?;
hashmap.insert(state_key, pdu);
}
Ok(hashmap)
}
/// Returns a single PDU from `room_id` with key (`event_type`, `state_key`).
pub fn state_get(
&self,
room_id: &RoomId,
state_hash: &StateHashId,
event_type: &EventType,
state_key: &str,
) -> Result<Option<(IVec, PduEvent)>> {
let mut key = state_hash.to_vec();
key.push(0xff);
key.extend_from_slice(&event_type.to_string().as_bytes());
let mut key = event_type.to_string().as_bytes().to_vec();
key.push(0xff);
key.extend_from_slice(&state_key.as_bytes());
self.stateid_pduid.get(&key)?.map_or(Ok(None), |pdu_id| {
Ok::<_, Error>(Some((
pdu_id.clone(),
serde_json::from_slice::<PduEvent>(
&self.pduid_pdu.get(&pdu_id)?.ok_or_else(|| {
Error::bad_database("PDU in state not found in database.")
})?,
)
.map_err(|_| Error::bad_database("Invalid PDU bytes in room state."))?,
)))
})
let short = self.statekey_short.get(&key)?;
if let Some(short) = short {
let mut stateid = state_hash.to_vec();
stateid.push(0xff);
stateid.extend_from_slice(&short);
self.stateid_pduid
.get(&stateid)?
.map_or(Ok(None), |pdu_id_short| {
let mut pdu_id = room_id.as_bytes().to_vec();
pdu_id.push(0xff);
pdu_id.extend_from_slice(&pdu_id_short);
Ok::<_, Error>(Some((
pdu_id.clone().into(),
serde_json::from_slice::<PduEvent>(
&self.pduid_pdu.get(&pdu_id)?.ok_or_else(|| {
Error::bad_database("PDU in state not found in database.")
})?,
)
.map_err(|_| Error::bad_database("Invalid PDU bytes in room state."))?,
)))
})
} else {
return Ok(None);
}
}
/// Returns the last state hash key added to the db.
@ -260,6 +249,7 @@ impl Rooms {
&self,
room_id: &RoomId,
state: HashMap<(EventType, String), Vec<u8>>,
globals: &super::globals::Globals,
) -> Result<()> {
let state_hash =
self.calculate_hash(&state.values().map(|pdu_id| &**pdu_id).collect::<Vec<_>>())?;
@ -267,11 +257,29 @@ impl Rooms {
prefix.push(0xff);
for ((event_type, state_key), pdu_id) in state {
let mut statekey = event_type.as_ref().as_bytes().to_vec();
statekey.push(0xff);
statekey.extend_from_slice(&state_key.as_bytes());
let short = match self.statekey_short.get(&statekey)? {
Some(short) => utils::u64_from_bytes(&short)
.map_err(|_| Error::bad_database("Invalid short bytes in statekey_short."))?,
None => {
let short = globals.next_count()?;
self.statekey_short
.insert(&statekey, &short.to_be_bytes())?;
short
}
};
let pdu_id_short = pdu_id
.splitn(2, |&b| b == 0xff)
.nth(1)
.ok_or_else(|| Error::bad_database("Invalid pduid in state."))?;
let mut state_id = prefix.clone();
state_id.extend_from_slice(&event_type.as_ref().as_bytes());
state_id.push(0xff);
state_id.extend_from_slice(&state_key.as_bytes());
self.stateid_pduid.insert(state_id, pdu_id)?;
state_id.extend_from_slice(&short.to_be_bytes());
self.stateid_pduid.insert(state_id, pdu_id_short)?;
}
self.roomid_statehash
@ -283,25 +291,12 @@ impl Rooms {
/// Returns the full room state.
pub fn room_state_full(&self, room_id: &RoomId) -> Result<StateMap<PduEvent>> {
if let Some(current_state_hash) = self.current_state_hash(room_id)? {
self.state_full(&current_state_hash)
self.state_full(&room_id, &current_state_hash)
} else {
Ok(BTreeMap::new())
}
}
/// Returns all state entries for this type.
pub fn room_state_type(
&self,
room_id: &RoomId,
event_type: &EventType,
) -> Result<HashMap<String, PduEvent>> {
if let Some(current_state_hash) = self.current_state_hash(room_id)? {
self.state_type(&current_state_hash, event_type)
} else {
Ok(HashMap::new())
}
}
/// Returns a single PDU from `room_id` with key (`event_type`, `state_key`).
pub fn room_state_get(
&self,
@ -310,7 +305,7 @@ impl Rooms {
state_key: &str,
) -> Result<Option<(IVec, PduEvent)>> {
if let Some(current_state_hash) = self.current_state_hash(room_id)? {
self.state_get(&current_state_hash, event_type, state_key)
self.state_get(&room_id, &current_state_hash, event_type, state_key)
} else {
Ok(None)
}
@ -593,7 +588,12 @@ impl Rooms {
/// This adds all current state events (not including the incoming event)
/// to `stateid_pduid` and adds the incoming event to `pduid_statehash`.
/// The incoming event is the `pdu_id` passed to this method.
pub fn append_to_state(&self, new_pdu_id: &[u8], new_pdu: &PduEvent) -> Result<StateHashId> {
pub fn append_to_state(
&self,
new_pdu_id: &[u8],
new_pdu: &PduEvent,
globals: &super::globals::Globals,
) -> Result<StateHashId> {
let old_state =
if let Some(old_state_hash) = self.roomid_statehash.get(new_pdu.room_id.as_bytes())? {
// Store state for event. The state does not include the event itself.
@ -608,7 +608,7 @@ impl Rooms {
self.stateid_pduid
.scan_prefix(&prefix)
.filter_map(|pdu| pdu.map_err(|e| error!("{}", e)).ok())
// Chop the old state_hash out leaving behind the (EventType, StateKey)
// Chop the old state_hash out leaving behind the short key (u64)
.map(|(k, v)| (k.subslice(prefix.len(), k.len() - prefix.len()), v))
.collect::<HashMap<IVec, IVec>>()
} else {
@ -620,7 +620,23 @@ impl Rooms {
let mut pdu_key = new_pdu.kind.as_ref().as_bytes().to_vec();
pdu_key.push(0xff);
pdu_key.extend_from_slice(state_key.as_bytes());
new_state.insert(pdu_key.into(), new_pdu_id.into());
let short = match self.statekey_short.get(&pdu_key)? {
Some(short) => utils::u64_from_bytes(&short)
.map_err(|_| Error::bad_database("Invalid short bytes in statekey_short."))?,
None => {
let short = globals.next_count()?;
self.statekey_short.insert(&pdu_key, &short.to_be_bytes())?;
short
}
};
let new_pdu_id_short = new_pdu_id
.splitn(2, |&b| b == 0xff)
.nth(1)
.ok_or_else(|| Error::bad_database("Invalid pduid in state."))?;
new_state.insert((&short.to_be_bytes()).into(), new_pdu_id_short.into());
let new_state_hash =
self.calculate_hash(&new_state.values().map(|b| &**b).collect::<Vec<_>>())?;
@ -628,12 +644,10 @@ impl Rooms {
let mut key = new_state_hash.to_vec();
key.push(0xff);
// TODO: we could avoid writing to the DB on every state event by keeping
// track of the delta and write that every so often
for (key_without_prefix, pdu_id) in new_state {
for (short, short_pdu_id) in new_state {
let mut state_id = key.clone();
state_id.extend_from_slice(&key_without_prefix);
self.stateid_pduid.insert(&state_id, &pdu_id)?;
state_id.extend_from_slice(&short);
self.stateid_pduid.insert(&state_id, &short_pdu_id)?;
}
self.roomid_statehash
@ -887,7 +901,7 @@ impl Rooms {
// We append to state before appending the pdu, so we don't have a moment in time with the
// pdu without it's state. This is okay because append_pdu can't fail.
self.append_to_state(&pdu_id, &pdu)?;
self.append_to_state(&pdu_id, &pdu, &globals)?;
self.append_pdu(
&pdu,

137
src/database/sending.rs
View file

@ -1,21 +1,29 @@
use std::{collections::HashMap, convert::TryFrom, time::SystemTime};
use std::{
collections::HashMap,
convert::TryFrom,
fmt::Debug,
sync::Arc,
time::{Duration, Instant, SystemTime},
};
use crate::{appservice_server, server_server, utils, Error, PduEvent, Result};
use federation::transactions::send_transaction_message;
use log::warn;
use rocket::futures::stream::{FuturesUnordered, StreamExt};
use ruma::{
api::{appservice, federation},
api::{appservice, federation, OutgoingRequest},
ServerName,
};
use sled::IVec;
use tokio::select;
use tokio::sync::Semaphore;
#[derive(Clone)]
pub struct Sending {
/// The state for a given state hash.
pub(super) servernamepduids: sled::Tree, // ServernamePduId = (+)ServerName + PduId
pub(super) servercurrentpdus: sled::Tree, // ServerCurrentPdus = (+)ServerName + PduId (pduid can be empty for reservation)
pub(super) maximum_requests: Arc<Semaphore>,
}
impl Sending {
@ -40,35 +48,7 @@ impl Sending {
for (server, pdu, is_appservice) in servercurrentpdus
.iter()
.filter_map(|r| r.ok())
.map(|(key, _)| {
let mut parts = key.splitn(2, |&b| b == 0xff);
let server = parts.next().expect("splitn always returns one element");
let pdu = 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")
})?;
// Appservices start with a plus
let (server, is_appservice) = if server.starts_with("+") {
(&server[1..], true)
} else {
(&*server, false)
};
Ok::<_, Error>((
Box::<ServerName>::try_from(server).map_err(|_| {
Error::bad_database(
"Invalid server string in server_currenttransaction",
)
})?,
IVec::from(pdu),
is_appservice,
))
})
.filter_map(|r| r.ok())
.filter_map(|(key, _)| Self::parse_servercurrentpdus(key).ok())
.filter(|(_, pdu, _)| !pdu.is_empty()) // Skip reservation key
.take(50)
// This should not contain more than 50 anyway
@ -90,6 +70,8 @@ impl Sending {
));
}
let mut last_failed_try: HashMap<Box<ServerName>, (u32, Instant)> = HashMap::new();
let mut subscriber = servernamepduids.watch_prefix(b"");
loop {
select! {
@ -140,9 +122,24 @@ impl Sending {
// servercurrentpdus with the prefix should be empty now
}
}
Err((server, _is_appservice, e)) => {
warn!("Couldn't send transaction to {}: {}", server, e)
// TODO: exponential backoff
Err((server, is_appservice, e)) => {
warn!("Couldn't send transaction to {}: {}", server, e);
let mut prefix = if is_appservice {
"+".as_bytes().to_vec()
} else {
Vec::new()
};
prefix.extend_from_slice(server.as_bytes());
prefix.push(0xff);
last_failed_try.insert(server.clone(), match last_failed_try.get(&server) {
Some(last_failed) => {
(last_failed.0+1, Instant::now())
},
None => {
(1, Instant::now())
}
});
servercurrentpdus.remove(&prefix).unwrap();
}
};
},
@ -174,8 +171,19 @@ impl Sending {
.ok()
.map(|pdu_id| (server, is_appservice, pdu_id))
)
// TODO: exponential backoff
.filter(|(server, is_appservice, _)| {
if last_failed_try.get(server).map_or(false, |(tries, instant)| {
// Fail if a request has failed recently (exponential backoff)
let mut min_elapsed_duration = Duration::from_secs(60) * *tries * *tries;
if min_elapsed_duration > Duration::from_secs(60*60*24) {
min_elapsed_duration = Duration::from_secs(60*60*24);
}
instant.elapsed() < min_elapsed_duration
}) {
return false;
}
let mut prefix = if *is_appservice {
"+".as_bytes().to_vec()
} else {
@ -308,4 +316,63 @@ impl Sending {
.map_err(|e| (server, is_appservice, e))
}
}
fn parse_servercurrentpdus(key: IVec) -> Result<(Box<ServerName>, IVec, bool)> {
let mut parts = key.splitn(2, |&b| b == 0xff);
let server = parts.next().expect("splitn always returns one element");
let pdu = 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")
})?;
// Appservices start with a plus
let (server, is_appservice) = if server.starts_with("+") {
(&server[1..], true)
} else {
(&*server, false)
};
Ok::<_, Error>((
Box::<ServerName>::try_from(server).map_err(|_| {
Error::bad_database("Invalid server string in server_currenttransaction")
})?,
IVec::from(pdu),
is_appservice,
))
}
pub async fn send_federation_request<T: OutgoingRequest>(
&self,
globals: &crate::database::globals::Globals,
destination: Box<ServerName>,
request: T,
) -> Result<T::IncomingResponse>
where
T: Debug,
{
let permit = self.maximum_requests.acquire().await;
let response = server_server::send_request(globals, destination, request).await;
drop(permit);
response
}
pub async fn send_appservice_request<T: OutgoingRequest>(
&self,
globals: &crate::database::globals::Globals,
registration: serde_yaml::Value,
request: T,
) -> Result<T::IncomingResponse>
where
T: Debug,
{
let permit = self.maximum_requests.acquire().await;
let response = appservice_server::send_request(globals, registration, request).await;
drop(permit);
response
}
}

2
src/error.rs
View file

@ -121,7 +121,7 @@ impl log::Log for ConduitLogger {
fn log(&self, record: &log::Record<'_>) {
let output = format!("{} - {}", record.level(), record.args());
println!("{}", output);
eprintln!("{}", output);
if self.enabled(record.metadata())
&& record

9
src/main.rs
View file

@ -18,7 +18,7 @@ pub use pdu::PduEvent;
pub use rocket::State;
pub use ruma_wrapper::{ConduitResult, Ruma, RumaResponse};
use rocket::{fairing::AdHoc, routes};
use rocket::{catch, catchers, fairing::AdHoc, routes, Request};
fn setup_rocket() -> rocket::Rocket {
// Force log level off, so we can use our own logger
@ -70,6 +70,7 @@ fn setup_rocket() -> rocket::Rocket {
client_server::get_backup_key_sessions_route,
client_server::get_backup_keys_route,
client_server::set_read_marker_route,
client_server::set_receipt_route,
client_server::create_typing_event_route,
client_server::create_room_route,
client_server::redact_event_route,
@ -134,6 +135,7 @@ fn setup_rocket() -> rocket::Rocket {
server_server::get_profile_information_route,
],
)
.register(catchers![not_found_catcher])
.attach(AdHoc::on_attach("Config", |rocket| async {
let data =
Database::load_or_create(rocket.figment().extract().expect("config is valid"))
@ -157,3 +159,8 @@ fn setup_rocket() -> rocket::Rocket {
async fn main() {
setup_rocket().launch().await.unwrap();
}
#[catch(404)]
fn not_found_catcher(_req: &'_ Request<'_>) -> String {
"404 Not Found".to_owned()
}

2
src/server_server.rs
View file

@ -490,7 +490,7 @@ pub async fn send_transaction_message_route<'a>(
pdu_id.push(0xff);
pdu_id.extend_from_slice(&count.to_be_bytes());
db.rooms.append_to_state(&pdu_id, &pdu)?;
db.rooms.append_to_state(&pdu_id, &pdu, &db.globals)?;
db.rooms.append_pdu(
&pdu,