Read backlog; handle messages in the correct order

This commit is contained in:
Alex 2020-03-01 13:27:29 +01:00
parent 810e75a34d
commit 018f4a751a
2 changed files with 51 additions and 2 deletions

View file

@ -86,6 +86,7 @@ type External struct {
generation int
proc *exec.Cmd
handlerChan chan *extMessageWithData
counter uint64
inflightRequests map[uint64]chan *extMessageWithData
lock sync.Mutex
@ -110,6 +111,9 @@ func (ext *External) Configure(c Configuration) error {
ext.generation += 1
ext.handlerChan = make(chan *extMessageWithData)
go ext.handlerLoop(ext.generation)
err = ext.setupProc()
if err != nil {
return err
@ -254,7 +258,17 @@ func (ext *External) recvLoop() {
}
}()
} else {
go ext.handleCmd(&msg)
ext.handlerChan <- &msg
}
}
}
func (ext *External) handlerLoop(generation int) {
for ext.handlerChan != nil && ext.generation == generation {
select {
case msg := <-ext.handlerChan:
ext.handleCmd(msg)
case <-time.After(10 * time.Second):
}
}
}
@ -311,6 +325,7 @@ func (ext *External) Close() {
ext.recv = nil
ext.send = nil
ext.sendJson = nil
ext.handlerChan = nil
go func() {
time.Sleep(10 * time.Second)

36
external/messenger.py vendored
View file

@ -141,7 +141,25 @@ class InitialSyncThread(threading.Thread):
})
def backlog_room(self, thread):
pass # TODO
prev_last_seen = self.bridge.cache_get("last_seen_%s"%thread.uid)
if prev_last_seen == "":
messages = self.client.fetchThreadMessages(thread.uid, limit=100)
else:
messages = []
found = False
while not Found:
before = None
if len(messages) > 0:
before = messages[-1].timestamp
page = self.client.fetchThreadMessages(thread.uid, before=before, limit=20)
for m in page:
if m.uid == prev_last_seen:
found = True
break
else:
messages.append(m)
for m in reversed(messages):
self.bridge.handleMessage(thread, m)
@ -150,11 +168,13 @@ class InitialSyncThread(threading.Thread):
class MessengerBridge:
def __init__(self):
self.rev_uid = {}
self.uid_map = {}
def getUserId(self, user):
if user.url is not None and not "?" in user.url:
user_id = user.url.split("/")[-1]
self.rev_uid[user_id] = user.uid
self.uid_map[user.uid] = user_id
return user_id
else:
return user.uid
@ -274,6 +294,20 @@ class MessengerBridge:
del self.cache_gets[num]
return rep
def handleMessage(self, thread, m):
author = m.author
if author in self.uid_map:
author = self.uid_map[m.author]
event = {
"type": EVENT_MESSAGE,
"author": author,
"text": m.text,
}
if thread.type == ThreadType.GROUP:
event["room"] = thread.uid
self.write({"_type": EVENT, "data": event})
if __name__ == "__main__":
bridge = MessengerBridge()