epics/pvxs
0
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

server monitor throttle using send queue size

Browse Source
This commit is contained in:
Michael Davidsaver
2020-01-26 15:55:56 -08:00
parent 9ffb8dab9a
commit 5ddc2beb47
3 changed files with 37 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/serverconn.cpp
+19 -2
View File
@@ -448,14 +448,31 @@ void ServerConn::bevRead()
// TODO configure
(void)bufferevent_disable(bev.get(), EV_READ);
bufferevent_setwatermark(bev.get(), EV_WRITE, 0x100000/2, 0);
log_printf(connio, Debug, "%s suspend READ\n", peerName.c_str());
}
}
}
void ServerConn::bevWrite()
{
(void)bufferevent_enable(bev.get(), EV_READ);
bufferevent_setwatermark(bev.get(), EV_WRITE, 0, 0);
log_printf(connio, Debug, "%s process backlog\n", peerName.c_str());
auto tx = bufferevent_get_output(bev.get());
// handle pending monitors
while(!backlog.empty() && evbuffer_get_length(tx)<0x100000) {
auto fn = std::move(backlog.front());
backlog.pop_front();
fn();
}
// TODO configure
if(evbuffer_get_length(tx)<0x100000) {
(void)bufferevent_enable(bev.get(), EV_READ);
bufferevent_setwatermark(bev.get(), EV_WRITE, 0, 0);
log_printf(connio, Debug, "%s resume READ\n", peerName.c_str());
}
}
void ServerConn::bevEventS(struct bufferevent *bev, short events, void *ptr)