Enabled keepalive for Windows (>= Vista)

src/base/kernel/Platform.h

@@ -49,6 +49,8 @@ public:
     static inline bool isUserActive(uint64_t ms)    { return idleTime() < ms; }
     static inline const String &userAgent()         { return m_userAgent; }
 
+    static bool hasKeepalive();
+
     static bool isOnBatteryPower();
     static uint64_t idleTime();
 

src/base/kernel/Platform_mac.cpp

@@ -55,6 +55,12 @@ char *xmrig::Platform::createUserAgent()
 }
 
 
+bool xmrig::Platform::hasKeepalive()
+{
+    return true;
+}
+
+
 bool xmrig::Platform::setThreadAffinity(uint64_t cpu_id)
 {
     return true;

src/base/kernel/Platform_unix.cpp

@@ -70,6 +70,12 @@ char *xmrig::Platform::createUserAgent()
 }
 
 
+bool xmrig::Platform::hasKeepalive()
+{
+    return true;
+}
+
+
 #ifndef XMRIG_FEATURE_HWLOC
 #ifdef __DragonFly__
 

src/base/kernel/Platform_win.cpp

@@ -70,6 +70,12 @@ char *xmrig::Platform::createUserAgent()
 }
 
 
+bool xmrig::Platform::hasKeepalive()
+{
+    return winOsVersion().dwMajorVersion >= 6;
+}
+
+
 #ifndef XMRIG_FEATURE_HWLOC
 bool xmrig::Platform::setThreadAffinity(uint64_t cpu_id)
 {

src/base/net/stratum/Client.cpp

@@ -50,6 +50,7 @@
 #include "base/tools/Cvt.h"
 #include "base/tools/cryptonote/BlobReader.h"
 #include "net/JobResult.h"
+#include "base/kernel/Platform.h"
 
 
 #ifdef _MSC_VER
@@ -567,9 +568,9 @@ void xmrig::Client::connect(const sockaddr *addr)
     uv_tcp_init(uv_default_loop(), m_socket);
     uv_tcp_nodelay(m_socket, 1);
 
-#   ifndef WIN32
+    if (Platform::hasKeepalive()) {
-    uv_tcp_keepalive(m_socket, 1, 60);
+        uv_tcp_keepalive(m_socket, 1, 60);
-#   endif
+    }
 
     uv_tcp_connect(req, m_socket, addr, onConnect);
 }

src/base/net/stratum/DaemonClient.cpp

@@ -46,6 +46,7 @@
 #include "base/tools/Timer.h"
 #include "base/tools/cryptonote/Signatures.h"
 #include "net/JobResult.h"
+#include "base/kernel/Platform.h"
 
 
 #ifdef XMRIG_FEATURE_TLS
@@ -358,9 +359,9 @@ void xmrig::DaemonClient::onResolved(const DnsRecords &records, int status, cons
     uv_tcp_init(uv_default_loop(), s);
     uv_tcp_nodelay(s, 1);
 
-#   ifndef WIN32
+    if (Platform::hasKeepalive()) {
-    uv_tcp_keepalive(s, 1, 60);
+        uv_tcp_keepalive(s, 1, 60);
-#   endif
+    }
 
     if (m_pool.zmq_port() > 0) {
         delete m_ZMQSocket;