Merge "Initial support for python gdb macros"

src/vnsw/agent/gdb/agent_db.py

@@ -0,0 +1,57 @@
+#
+#  Copyright (c) 2016 Juniper Networks. All rights reserved.
+#
+#  agent_db.py
+#
+#  gdb macros to dump the vrouter agent DB object/entries
+
+import gdb
+
+from libstdcxx.v6.printers import *
+from boost.printers import *
+
+class my_value(gdb.Value):
+    def __init__(self, b):
+        gdb.Value(b)
+        self.type_name = str(b.type)
+
+def print_db_entry(entry_ptr, entry):
+    print(str(entry_ptr) + "      0x%08X" % (entry['flags']))
+
+def print_db_entries_from_partition(partition, print_fn):
+    tree_ref = my_value(gdb.parse_and_eval('(((DBTablePartition *)' + str(partition) + ')->tree_)'))
+    tree = BoostIntrusiveSet(tree_ref)
+    it = tree.children()
+    try:
+        while (it.node):
+            entry_ptr = it.get_element_pointer_from_node_pointer()
+            entry = next(it)[1]
+            print_fn(entry_ptr, entry)
+    except StopIteration:
+        pass
+
+def print_db_entries(db_table, print_fn = print_db_entry):
+    """ Dumps DB table entries """
+    table_ptr = gdb.parse_and_eval('(DBTable *)' + str(db_table))
+    partitions = StdVectorPrinter('partitions_', table_ptr['partitions_'])
+    it = partitions.children()
+    print("  Entries in DB Table " + str(table_ptr) + "      ")
+    print("--------------------------------------------")
+    if (print_fn == print_db_entry):
+        print("   Entry ptr      Entry flags       ")
+        print("--------------------------------------------")
+    try:
+        while 1:
+            partition = next(it)[1]
+            print_db_entries_from_partition(partition, print_fn)
+    except StopIteration:
+        pass
+
+def print_vrf_entry(entry_ptr, entry):
+    vrf = entry.cast(gdb.lookup_type('VrfEntry'))
+    print(str(entry_ptr) + "    %-20s    idx=%-4d    ref_count=%-4d   flags=%-4d rt_db=" % (vrf['name_']['_M_dataplus']['_M_p'], vrf['id_'], vrf['refcount_']['my_storage']['my_value'], vrf['flags']) + str(vrf['rt_table_db_'][int(gdb.parse_and_eval('Agent::INET4_UNICAST'))]) + " mcrt_db=" + str(vrf['rt_table_db_'][int(gdb.parse_and_eval('Agent::INET4_MULTICAST'))]) + " evpn_db=" + str(vrf['rt_table_db_'][int(gdb.parse_and_eval('Agent::EVPN'))]) + " bridge_db=" + str(vrf['rt_table_db_'][int(gdb.parse_and_eval('Agent::BRIDGE'))]) + " v6_rt_db=" + str(vrf['rt_table_db_'][int(gdb.parse_and_eval('Agent::INET6_UNICAST'))]))
+
+def dump_vrf_entries():
+    vrf_table = gdb.parse_and_eval('Agent::singleton_.vrf_table_')
+    print_db_entries(vrf_table, print_vrf_entry)
+

src/vnsw/agent/gdb/agent_ksync.py

@@ -0,0 +1,40 @@
+#
+#  Copyright (c) 2016 Juniper Networks. All rights reserved.
+#
+#  agent_ksync.py
+#
+#  gdb macros to dump the vrouter agent KSync object/entries
+
+import gdb
+
+from libstdcxx.v6.printers import *
+from boost.printers import *
+
+class my_value(gdb.Value):
+    def __init__(self, b):
+        gdb.Value(b)
+        self.type_name = str(b.type)
+
+def print_ksync_entry(entry_ptr, entry):
+    print(str(entry_ptr) + "      state=0x%08X" % (entry['state_']))
+
+def print_ksync_entries(ksync_obj, print_fn = print_ksync_entry):
+    tree_ref = my_value(gdb.parse_and_eval('(((KSyncDBObject *)' + str(ksync_obj) + ')->tree_)'))
+    tree = BoostIntrusiveSet(tree_ref)
+    it = tree.children()
+    try:
+        while (it.node):
+            entry_ptr = it.get_element_pointer_from_node_pointer()
+            entry = next(it)[1]
+            print_fn(entry_ptr, entry)
+    except StopIteration:
+        pass
+
+def print_nh_ksync_entry(entry_ptr, entry):
+    knh = entry.cast(gdb.lookup_type('NHKSyncEntry'))
+    print(str(entry_ptr) + "   idx=%-5d    type=%-4d    state=0x%08X" % (knh['index_'], knh['type_'], knh['state_']))
+
+def dump_nh_ksync_entries():
+    nh_table = gdb.parse_and_eval('Agent::singleton_->ksync_->nh_ksync_obj_.px')
+    print_ksync_entries(nh_table, print_nh_ksync_entry)
+