[qa] Add option --portseed to test_framework

1 files changed, 7 insertions, 3 deletions

diff --git a/qa/rpc-tests/test_framework/util.py b/qa/rpc-tests/test_framework/util.py
index 6dc685ea1b..6784177aaa 100644
--- a/qa/rpc-tests/test_framework/util.py
+++ b/qa/rpc-tests/test_framework/util.py
@@ -8,7 +8,6 @@
 # Helpful routines for regression testing
 #
 
-# Add python-bitcoinrpc to module search path:
 import os
 import sys
 
@@ -36,6 +35,11 @@ PORT_MIN = 11000
 # The number of ports to "reserve" for p2p and rpc, each
 PORT_RANGE = 5000
 
+
+class PortSeed:
+    # Must be initialized with a unique integer for each process
+    n = None
+
 #Set Mocktime default to OFF.
 #MOCKTIME is only needed for scripts that use the
 #cached version of the blockchain.  If the cached
@@ -91,10 +95,10 @@ def get_rpc_proxy(url, node_number, timeout=None):
 
 def p2p_port(n):
     assert(n <= MAX_NODES)
-    return PORT_MIN + n + (MAX_NODES * os.getpid()) % (PORT_RANGE - 1 - MAX_NODES)
+    return PORT_MIN + n + (MAX_NODES * PortSeed.n) % (PORT_RANGE - 1 - MAX_NODES)
 
 def rpc_port(n):
-    return PORT_MIN + PORT_RANGE + n + (MAX_NODES * os.getpid()) % (PORT_RANGE -1 - MAX_NODES)
+    return PORT_MIN + PORT_RANGE + n + (MAX_NODES * PortSeed.n) % (PORT_RANGE - 1 - MAX_NODES)
 
 def check_json_precision():
     """Make sure json library being used does not lose precision converting BTC values"""