diff options
Diffstat (limited to 'inc/dnbd3/config/client.h')
| -rw-r--r-- | inc/dnbd3/config/client.h | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/inc/dnbd3/config/client.h b/inc/dnbd3/config/client.h index 49d4676..55cf8b3 100644 --- a/inc/dnbd3/config/client.h +++ b/inc/dnbd3/config/client.h @@ -4,9 +4,21 @@ // Which is the minimum protocol version the client expects from the server #define MIN_SUPPORTED_SERVER 2 -// in seconds if not stated otherwise (MS = milliseconds) -#define SOCKET_TIMEOUT_CLIENT_DATA 2 -#define SOCKET_TIMEOUT_CLIENT_DISCOVERY 1 +// Send keepalive every X seconds +#define KEEPALIVE_INTERVAL 10 + +// in seconds if not stated otherwise +#define SOCKET_TIMEOUT_SEND 2 + +// Socker receive timeout. Must be higher than keepalive interval, otherwise +// the connection might be aborted when idle +#define SOCKET_TIMEOUT_RECV 13 + +// During discovery, we use very short minimum timeouts (unless in panic mode) +#define SOCKET_TIMEOUT_DISCOVERY 1 + +// IO timeout for block layer +#define BLOCK_LAYER_TIMEOUT 10 #define RTT_THRESHOLD_FACTOR(us) (((us) * 3) / 4) // 3/4 = current to best must be 25% worse #define RTT_ABSOLUTE_THRESHOLD (80000) // Or 80ms worse @@ -14,15 +26,19 @@ // This must be a power of two: #define RTT_BLOCK_SIZE 4096 -#define STARTUP_MODE_DURATION 30 // Interval of several repeating tasks (in seconds) -#define TIMER_INTERVAL_PROBE_STARTUP 4 -#define TIMER_INTERVAL_PROBE_NORMAL 22 +#define TIMER_INTERVAL_PROBE_STARTUP 2 +#define TIMER_INTERVAL_PROBE_SWITCH 10 #define TIMER_INTERVAL_PROBE_PANIC 2 -#define TIMER_INTERVAL_KEEPALIVE_PACKET 6 - -// Expect a keepalive response every X seconds -#define SOCKET_KEEPALIVE_TIMEOUT 8 +#define TIMER_INTERVAL_PROBE_MAX 45 +// How many discover runs after setting up a device should be considered the startup phase +// during that phase, check all servers, before we start doing it selectively +// and also don't increase the discover interval during this period +#define DISCOVER_STARTUP_PHASE_COUNT 6 +// How many servers should be tested at maximum after above +#define DISCOVER_REDUCED_SERVER_COUNT 3 +// Number of RTT probes to keep in history and average the value over +#define DISCOVER_HISTORY_SIZE 4 // Number of unsuccessful alt_server probes before read errors are reported to the block layer // (ALL servers will be probed this many times) |