Added silence timeout as floating point

Source/Components/DataSources/UDPStreamerClient/UDPStreamerClient.cpp

@@ -58,6 +58,9 @@ static const uint32 UDPS_CLIENT_DEFAULT_MAX_PAYLOAD = 1400u;
 /** Default unicast keepalive interval (seconds); 0 disables. */
 static const uint32 UDPS_CLIENT_DEFAULT_KEEPALIVE_INTERVAL_S = 15u;
 
+/** Default silence timeout before reconnect (seconds); sub-second values allowed. */
+static const float32 UDPS_CLIENT_DEFAULT_SILENCE_TIMEOUT_S = 1.0f;
+
 /** Bytes prepended to each DATA payload for the HRT packet timestamp. */
 static const uint32 UDPS_CLIENT_TIMESTAMP_BYTES = 8u;
 
@@ -133,6 +136,7 @@ UDPStreamerClient::UDPStreamerClient() :
     port            = UDPS_CLIENT_DEFAULT_PORT;
     maxPayloadSize  = UDPS_CLIENT_DEFAULT_MAX_PAYLOAD;
     keepAliveInterval = UDPS_CLIENT_DEFAULT_KEEPALIVE_INTERVAL_S;
+    silenceTimeout  = UDPS_CLIENT_DEFAULT_SILENCE_TIMEOUT_S;
     cpuMask         = 0xFFFFFFFFu;
     stackSize       = THREADS_DEFAULT_STACKSIZE;
     dataPort        = UDPS_CLIENT_DEFAULT_PORT + UDPS_CLIENT_DEFAULT_DP_OFFSET;
@@ -211,6 +215,12 @@ bool UDPStreamerClient::Initialise(StructuredDataI &data) {
         }
     }
 
+    if (ok) {
+        if (!data.Read("SilenceTimeout", silenceTimeout)) {
+            silenceTimeout = UDPS_CLIENT_DEFAULT_SILENCE_TIMEOUT_S;
+        }
+    }
+
     if (ok) {
         if (!data.Read("CPUMask", cpuMask)) {
             cpuMask = 0xFFFFFFFFu;
@@ -256,6 +266,7 @@ bool UDPStreamerClient::Initialise(StructuredDataI &data) {
         }
         if (ok) { ok = cdb.Write("MaxPayloadSize", maxPayloadSize); }
         if (ok) { ok = cdb.Write("KeepAliveInterval", keepAliveInterval); }
+        if (ok) { ok = cdb.Write("SilenceTimeout", silenceTimeout); }
         if (ok) { ok = cdb.Write("CPUMask", cpuMask); }
         if (ok) { ok = cdb.Write("StackSize", stackSize); }
         if (ok) { ok = cdb.MoveToRoot(); }

Source/Components/DataSources/UDPStreamerClient/UDPStreamerClient.h

@@ -175,6 +175,7 @@ private:
     uint16       port;           /**< Server port. */
     uint32       maxPayloadSize; /**< Max payload bytes per datagram. */
     uint32       keepAliveInterval; /**< Seconds between unicast keepalive ACKs (0 disables). */
+    float32      silenceTimeout;    /**< Seconds of no data before reconnect (sub-second allowed, 0 disables). */
     uint32       cpuMask;        /**< Background thread CPU affinity. */
     uint32       stackSize;      /**< Background thread stack size. */
     StreamString multicastGroup;     /**< Multicast group IP; empty = unicast. */

Source/Components/Interfaces/UDPStream/UDPSClient.cpp

@@ -87,9 +87,11 @@ bool UDPSClient::Initialise(StructuredDataI &data) {
         dataPort = static_cast<uint16>(dpU32);
     }
 
-    uint32 silenceS = UDPS_CLIENT_DEFAULT_SILENCE_TIMEOUT_S;
+    float32 silenceS = UDPS_CLIENT_DEFAULT_SILENCE_TIMEOUT_S;
     (void) data.Read("SilenceTimeout", silenceS);
-    silenceTimeoutTicks = static_cast<uint64>(silenceS) * HighResolutionTimer::Frequency();
+    /* float64 math: the tick rate (~1e9) exceeds float32's 24-bit mantissa */
+    silenceTimeoutTicks = static_cast<uint64>(static_cast<float64>(silenceS) *
+                                              static_cast<float64>(HighResolutionTimer::Frequency()));
 
     uint32 reconnectS = UDPS_CLIENT_DEFAULT_RECONNECT_DELAY_S;
     (void) data.Read("ReconnectDelay", reconnectS);

Source/Components/Interfaces/UDPStream/UDPSClient.h

@@ -86,8 +86,8 @@ public:
      *  256-fragment span the recvMask[32] tracks at typical chunk sizes. */
     static const uint32 UDPS_CLIENT_MAX_PACKET_BYTES = 1048576u; // 1 MiB
 
-    /** Default silence timeout before reconnect (seconds). */
-    static const uint32 UDPS_CLIENT_DEFAULT_SILENCE_TIMEOUT_S = 5u;
+    /** Default silence timeout before reconnect (seconds); sub-second values allowed. */
+    static const float32 UDPS_CLIENT_DEFAULT_SILENCE_TIMEOUT_S = 1.0f;
 
     /** Default delay between reconnect attempts (seconds). */
     static const uint32 UDPS_CLIENT_DEFAULT_RECONNECT_DELAY_S = 2u;
@@ -118,7 +118,8 @@ public:
      *  - MulticastGroup  (char*)  IPv4 multicast address; presence enables multicast mode.
      *  - Interface       (char*)  Network interface for multicast join (e.g. "lo"). Required when MulticastGroup is set.
      *  - DataPort        (uint16) UDP multicast data port (defaults to Port+1).
-     *  - SilenceTimeout  (uint32) Seconds of no data before reconnect. Default 5.
+     *  - SilenceTimeout  (float32) Seconds of no data before reconnect. Default 1.0.
+     *                      Sub-second values allowed; 0 disables the check.
      *  - ReconnectDelay  (uint32) Seconds to wait between reconnect attempts. Default 2.
      *  - KeepAliveInterval (uint32) Seconds between unicast keepalive ACKs. Default 15. 0 disables.
      *  - MaxPayloadSize  (uint32) Max payload bytes per datagram, excluding header. Default 1400.