354 - Add pid to node hash

src/utils.cpp

@@ -23,6 +23,12 @@
 #include <functional>
 #include <sstream>
 
+#if defined(_MSC_VER)
+  #include <windows.h>
+#else
+  #include <unistd.h>
+#endif
+
 namespace cass {
 
 std::string opcode_to_string(int opcode) {
@@ -157,4 +163,13 @@ std::string& to_cql_id(std::string& str) {
   return str;
 }
 
+cass_int32_t get_pid()
+{
+#if defined(_MSC_VER)
+  return static_cast<cass_int32_t>(GetCurrentProcessId());
+#else
+  return static_cast<cass_int32_t>(getpid());
+#endif
+}
+
 } // namespace cass

src/utils.hpp

@@ -91,6 +91,8 @@ std::string& to_cql_id(std::string& str);
 
 std::string& escape_id(std::string& str);
 
+cass_int32_t get_pid();
+
 } // namespace cass
 
 #endif

src/uuids.cpp

@@ -213,6 +213,10 @@ UuidGen::UuidGen()
       uv_free_cpu_info(cpu_infos, cpu_count);
     }
 
+    // Tack on the pid
+    cass_int32_t pid = get_pid();
+    md5.update(reinterpret_cast<const uint8_t*>(&pid), 4);
+
     uint8_t hash[16];
     md5.final(hash);