When the number of sessions reaches MAX_SESSIONS, which defaults
to 1,000, turn off TCP and SSL listening sockets to prevent new
connections. When the session count falls below a low watermark,
currently 90% of MAX_SESSIONS, the listening sockets will be re-opened.
Helps prevent DoS and limit open file usage.
Bug fix: do not start serving paused connections until the buffer
socket is sufficiently drained. Also, loop.
Pause serving sessions whose socket buffer is full (anti-DoS)
Serve requests in batches of 8
Don't store the session in the request
RPC has priority 0; every other session at least 1
Periodically consolidate small session groups into 1
Add new RPC command requests.
Adjust sessions RPC command to show pending requests.
Only keep first 15 chars in version string.
Set socket timeout
Try more forceful closing of socket
Fixes#67
Batch requests are now processed and encoded incrementally.
Their bandwidth usage is also incrementally added, and so overlarge
responses are rejected as soon as they become too large.
JSON text is also more memory efficient than the python data
structures they represent.
Neil Booth