Fixed P4Runtime spelling (#162)

As agreed in the P4 API WG

README.md

@@ -9,8 +9,8 @@ you get started with P4 programming, organized into several modules:
 * [Basic Forwarding](./exercises/basic)
 * [Basic Tunneling](./exercises/basic_tunnel)
 
-2. P4 Runtime and the Control Plane
-* [P4 Runtime](./exercises/p4runtime)
+2. P4Runtime and the Control Plane
+* [P4Runtime](./exercises/p4runtime)
 
 3. Monitoring and Debugging
 * [Explicit Congestion Notification](./exercises/ecn)

exercises/p4runtime/README.md

@@ -1,8 +1,8 @@
-# Implementing a Control Plane using P4 Runtime
+# Implementing a Control Plane using P4Runtime
 
 ## Introduction
 
-In this exercise, we will be using P4 Runtime to send flow entries to the 
+In this exercise, we will be using P4Runtime to send flow entries to the 
 switch instead of using the switch's CLI. We will be building on the same P4
 program that you used in the [basic_tunnel](../basic_tunnel) exercise. The
 P4 program has been renamed to `advanced_tunnel.py` and has been augmented
@@ -94,14 +94,14 @@ table entries like we have in the previous exercises.
 switch pipeline and control plane. This interface is defined in the
 `advanced_tunnel.p4info` file. The table entries that you build in `mycontroller.py`
 refer to specific tables, keys, and actions by name, and we use a P4Info helper
-to convert the names into the IDs that are required for P4 Runtime. Any changes
+to convert the names into the IDs that are required for P4Runtime. Any changes
 in the P4 program that add or rename tables, keys, or actions will need to be
 reflected in your table entries.
 
 ## Step 2: Implement Tunnel Forwarding
 
 The `mycontroller.py` file is a basic controller plane that does the following:
-1. Establishes a gRPC connection to the switches for the P4 Runtime service.
+1. Establishes a gRPC connection to the switches for the P4Runtime service.
 2. Pushes the P4 program to each switch.
 3. Writes tunnel ingress and tunnel egress rules for two tunnels between h1 and h2.
 4. Reads tunnel ingress and egress counters every 2 seconds.
@@ -119,12 +119,12 @@ the `p4runtime_lib` directory. Here is a summary of each of the files in the dir
 - `helper.py`
   - Contains the `P4InfoHelper` class which is used to parse the `p4info` files.
   - Provides translation methods from entity name to and from ID number.
-  - Builds P4 program-dependent sections of P4 Runtime table entries.
+  - Builds P4 program-dependent sections of P4Runtime table entries.
 - `switch.py`
   - Contains the `SwitchConnection` class which grabs the gRPC client stub, and
     establishes connections to the switches.
-  - Provides helper methods that construct the P4 Runtime protocol buffer messages
-    and makes the P4 Runtime gRPC service calls.
+  - Provides helper methods that construct the P4Runtime protocol buffer messages
+    and makes the P4Runtime gRPC service calls.
 - `bmv2.py`
   - Contains `Bmv2SwitchConnection` which extends `SwitchConnections` and provides
     the BMv2-specific device payload to load the P4 program.
@@ -161,8 +161,8 @@ need to change it for a more realistic network?
 Hint: The default TTL is 64 for packets sent by the hosts.
 
 If you are interested, you can find the protocol buffer and gRPC definitions here:
-- [P4 Runtime](https://github.com/p4lang/PI/blob/master/proto/p4/p4runtime.proto)
-- [P4 Info](https://github.com/p4lang/PI/blob/master/proto/p4/config/p4info.proto)
+- [P4Runtime](https://github.com/p4lang/PI/blob/master/proto/p4/p4runtime.proto)
+- [P4Info](https://github.com/p4lang/PI/blob/master/proto/p4/config/p4info.proto)
 
 #### Cleaning up Mininet
 

exercises/p4runtime/mycontroller.py

@@ -133,12 +133,12 @@ def printGrpcError(e):
     print "[%s:%d]" % (traceback.tb_frame.f_code.co_filename, traceback.tb_lineno)
 
 def main(p4info_file_path, bmv2_file_path):
-    # Instantiate a P4 Runtime helper from the p4info file
+    # Instantiate a P4Runtime helper from the p4info file
     p4info_helper = p4runtime_lib.helper.P4InfoHelper(p4info_file_path)
 
     try:
         # Create a switch connection object for s1 and s2;
-        # this is backed by a P4 Runtime gRPC connection.
+        # this is backed by a P4Runtime gRPC connection.
         # Also, dump all P4Runtime messages sent to switch to given txt files.
         s1 = p4runtime_lib.bmv2.Bmv2SwitchConnection(
             name='s1',

exercises/p4runtime/solution/mycontroller.py

@@ -145,11 +145,11 @@ def printCounter(p4info_helper, sw, counter_name, index):
 
 
 def main(p4info_file_path, bmv2_file_path):
-    # Instantiate a P4 Runtime helper from the p4info file
+    # Instantiate a P4Runtime helper from the p4info file
     p4info_helper = p4runtime_lib.helper.P4InfoHelper(p4info_file_path)
 
     # Create a switch connection object for s1 and s2;
-    # this is backed by a P4 Runtime gRPC connection.
+    # this is backed by a P4Runtime gRPC connection.
     # Also, dump all P4Runtime messages sent to switch to given txt files.
     s1 = p4runtime_lib.bmv2.Bmv2SwitchConnection(
         name='s1',

utils/p4runtime_lib/switch.py

@@ -62,7 +62,7 @@ def MasterArbitrationUpdate(self, dry_run=False, **kwargs):
         request.arbitration.election_id.low = 1
 
         if dry_run:
-            print "P4 Runtime MasterArbitrationUpdate: ", request
+            print "P4Runtime MasterArbitrationUpdate: ", request
         else:
             self.requests_stream.put(request)
 
@@ -78,7 +78,7 @@ def SetForwardingPipelineConfig(self, p4info, dry_run=False, **kwargs):
 
         request.action = p4runtime_pb2.SetForwardingPipelineConfigRequest.VERIFY_AND_COMMIT
         if dry_run:
-            print "P4 Runtime SetForwardingPipelineConfig:", request
+            print "P4Runtime SetForwardingPipelineConfig:", request
         else:
             self.client_stub.SetForwardingPipelineConfig(request)
 
@@ -90,7 +90,7 @@ def WriteTableEntry(self, table_entry, dry_run=False):
         update.type = p4runtime_pb2.Update.INSERT
         update.entity.table_entry.CopyFrom(table_entry)
         if dry_run:
-            print "P4 Runtime Write:", request
+            print "P4Runtime Write:", request
         else:
             self.client_stub.Write(request)
 
@@ -104,7 +104,7 @@ def ReadTableEntries(self, table_id=None, dry_run=False):
         else:
             table_entry.table_id = 0
         if dry_run:
-            print "P4 Runtime Read:", request
+            print "P4Runtime Read:", request
         else:
             for response in self.client_stub.Read(request):
                 yield response
@@ -121,7 +121,7 @@ def ReadCounters(self, counter_id=None, index=None, dry_run=False):
         if index is not None:
             counter_entry.index.index = index
         if dry_run:
-            print "P4 Runtime Read:", request
+            print "P4Runtime Read:", request
         else:
             for response in self.client_stub.Read(request):
                 yield response

utils/run_exercise.py

@@ -38,7 +38,7 @@ def configureP4Switch(**switch_args):
         switch's thrift server is using a unique port.
     """
     if "sw_path" in switch_args and 'grpc' in switch_args['sw_path']:
-        # If grpc appears in the BMv2 switch target, we assume will start P4 Runtime
+        # If grpc appears in the BMv2 switch target, we assume will start P4Runtime
         class ConfiguredP4RuntimeSwitch(P4RuntimeSwitch):
             def __init__(self, *opts, **kwargs):
                 kwargs.update(switch_args)