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| author | Simon Rettberg | 2019-01-31 10:26:04 +0100 |
|---|---|---|
| committer | Simon Rettberg | 2019-01-31 10:26:04 +0100 |
| commit | 41a9d196062bfea0aadde87bc30ae262890334b7 (patch) | |
| tree | 29c34938de13f93b4fb9b4cf7cd5499342079e5b /src/serverconfig.h | |
| parent | [SERVER] uplink: Check for _maxPayload when getting client request (diff) | |
| download | dnbd3-41a9d196062bfea0aadde87bc30ae262890334b7.tar.gz dnbd3-41a9d196062bfea0aadde87bc30ae262890334b7.tar.xz dnbd3-41a9d196062bfea0aadde87bc30ae262890334b7.zip | |
[SERVER] Don't keep an uplink connection established forever
In case we don't use background replication a connection to an uplink
server can potentially stay around forever. This in turn would prevent
the uplink server from freeing the image as it appears to be in use.
Diffstat (limited to 'src/serverconfig.h')
| -rw-r--r-- | src/serverconfig.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/serverconfig.h b/src/serverconfig.h index 6fcda58..0cbb320 100644 --- a/src/serverconfig.h +++ b/src/serverconfig.h @@ -26,11 +26,15 @@ // the timeout for cases where we wait for additional data or are actively sending a reply #define SOCKET_TIMEOUT_CLIENT_RETRIES 3 +#define SERVER_UPLINK_KEEPALIVE_INTERVAL 10 // (Seconds) Send keep-alive if nothing else is happening on the uplink +#define SERVER_UPLINK_IDLE_TIMEOUT 1800 // (Seconds) Timeout after which we tear down an uplink connection if no blocks needed to be fetched + // +++++ Other magic constants -#define SERVER_RTT_PROBES 5 -#define SERVER_RTT_DELAY_INIT 5 -#define SERVER_RTT_DELAY_MAX 45 -#define SERVER_RTT_DELAY_FAILED 180 +#define SERVER_RTT_PROBES 5 // How many probes to average over +#define SERVER_RTT_INTERVAL_INIT 5 // Initial interval between probes +#define SERVER_RTT_INTERVAL_MAX 45 // Maximum interval between probes +#define SERVER_RTT_BACKOFF_COUNT 5 // If we can't reach any uplink server this many times, consider the uplink bad +#define SERVER_RTT_INTERVAL_FAILED 180 // Interval to use if no uplink server is reachable for above many times #define SERVER_REMOTE_IMAGE_CHECK_CACHETIME 120 // 2 minutes |