jvpp: use Python's logging API

Change-Id: Iec437e4672af1f0d1a24458afb977ba6fbeba4ed
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

9 files changed, 59 insertions, 32 deletions

diff --git a/src/vpp-api/java/jvpp/gen/jvpp_gen.py b/src/vpp-api/java/jvpp/gen/jvpp_gen.py
index 9a1dad9c53d..79708abdf8a 100755
--- a/src/vpp-api/java/jvpp/gen/jvpp_gen.py
+++ b/src/vpp-api/java/jvpp/gen/jvpp_gen.py
@@ -18,6 +18,7 @@ import argparse
 import sys
 import os
 import json
+import logging
 
 from jvppgen import types_gen
 from jvppgen import callback_gen
@@ -48,17 +49,33 @@ args = parser.parse_args()
 sys.path.append(".")
 cwd = os.getcwd()
 
-print "Generating Java API for %s" % args.inputfiles
-print "inputfiles %s" % args.inputfiles
+# Initialize logger
+try:
+    verbose = int(os.getenv("V", 0))
+except:
+    verbose = 0
+
+log_level = logging.WARNING
+if verbose == 1:
+    log_level = logging.INFO
+elif verbose >= 2:
+    log_level = logging.DEBUG
+
+logging.basicConfig(stream=sys.stdout, level=log_level)
+logger = logging.getLogger("JVPP GEN")
+logger.setLevel(log_level)
+
+
+logger.info("Generating Java API for %s" % args.inputfiles)
 plugin_name = args.plugin_name
-print "plugin_name %s" % plugin_name
+logger.debug("plugin_name: %s" % plugin_name)
 
 cfg = {}
 
 base_package = 'io.fd.vpp.jvpp'
 plugin_package = base_package + '.' + plugin_name
 root_dir = os.path.abspath(args.root_dir)
-print "root_dir %s" % root_dir
+logger.debug("root_dir: %s" % root_dir)
 work_dir = root_dir + "/target/" + plugin_package.replace(".","/")
 
 try:
@@ -168,16 +185,23 @@ callback_facade_package = 'callfacade'
 
 types_list, types_name = get_definitions(cfg['types'])
 
-types_gen.generate_types(types_list, plugin_package, types_package, args.inputfiles)
+types_gen.generate_types(types_list, plugin_package, types_package, args.inputfiles, logger)
 
 func_list, func_name = get_definitions(cfg['messages'])
 
-dto_gen.generate_dtos(func_list, base_package, plugin_package, plugin_name.title(), dto_package, args.inputfiles)
-jvpp_impl_gen.generate_jvpp(func_list, base_package, plugin_package, plugin_name, dto_package, args.inputfiles)
-callback_gen.generate_callbacks(func_list, base_package, plugin_package, plugin_name.title(), callback_package, dto_package, args.inputfiles)
-notification_gen.generate_notification_registry(func_list, base_package, plugin_package, plugin_name.title(), notification_package, callback_package, dto_package, args.inputfiles)
-jvpp_c_gen.generate_jvpp(func_list, plugin_name, args.inputfiles, root_dir)
-jvpp_future_facade_gen.generate_jvpp(func_list, base_package, plugin_package, plugin_name.title(), dto_package, callback_package, notification_package, future_package, args.inputfiles)
-jvpp_callback_facade_gen.generate_jvpp(func_list, base_package, plugin_package, plugin_name.title(), dto_package, callback_package, notification_package, callback_facade_package, args.inputfiles)
-
-print "Java API for %s generated successfully" % args.inputfiles
+dto_gen.generate_dtos(func_list, base_package, plugin_package, plugin_name.title(), dto_package, args.inputfiles,
+                      logger)
+jvpp_impl_gen.generate_jvpp(func_list, base_package, plugin_package, plugin_name, dto_package, args.inputfiles, logger)
+callback_gen.generate_callbacks(func_list, base_package, plugin_package, plugin_name.title(), callback_package,
+                                dto_package, args.inputfiles, logger)
+notification_gen.generate_notification_registry(func_list, base_package, plugin_package, plugin_name.title(),
+                                                notification_package, callback_package, dto_package, args.inputfiles,
+                                                logger)
+jvpp_c_gen.generate_jvpp(func_list, plugin_name, args.inputfiles, root_dir, logger)
+jvpp_future_facade_gen.generate_jvpp(func_list, base_package, plugin_package, plugin_name.title(), dto_package,
+                                     callback_package, notification_package, future_package, args.inputfiles, logger)
+jvpp_callback_facade_gen.generate_jvpp(func_list, base_package, plugin_package, plugin_name.title(), dto_package,
+                                       callback_package, notification_package, callback_facade_package, args.inputfiles,
+                                       logger)
+
+logger.info("Java API for %s generated successfully" % args.inputfiles)
diff --git a/src/vpp-api/java/jvpp/gen/jvppgen/callback_gen.py b/src/vpp-api/java/jvpp/gen/jvppgen/callback_gen.py
index f0462158b9e..13a415595c2 100644
--- a/src/vpp-api/java/jvpp/gen/jvppgen/callback_gen.py
+++ b/src/vpp-api/java/jvpp/gen/jvppgen/callback_gen.py
@@ -49,9 +49,10 @@ public interface JVpp${plugin_name}GlobalCallback extends $base_package.$callbac
 """)
 
 
-def generate_callbacks(func_list, base_package, plugin_package, plugin_name, callback_package, dto_package, inputfile):
+def generate_callbacks(func_list, base_package, plugin_package, plugin_name, callback_package, dto_package, inputfile,
+                       logger):
     """ Generates callback interfaces """
-    print "Generating Callback interfaces"
+    logger.debug("Generating Callback interfaces for %s" % inputfile)
 
     if not os.path.exists(callback_package):
         os.mkdir(callback_package)
diff --git a/src/vpp-api/java/jvpp/gen/jvppgen/dto_gen.py b/src/vpp-api/java/jvpp/gen/jvppgen/dto_gen.py
index 158e26ef59f..035a5b49eb8 100644
--- a/src/vpp-api/java/jvpp/gen/jvppgen/dto_gen.py
+++ b/src/vpp-api/java/jvpp/gen/jvppgen/dto_gen.py
@@ -60,9 +60,9 @@ send_template = Template("""    @Override
     }""")
 
 
-def generate_dtos(func_list, base_package, plugin_package, plugin_name, dto_package, inputfile):
+def generate_dtos(func_list, base_package, plugin_package, plugin_name, dto_package, inputfile, logger):
     """ Generates dto objects in a dedicated package """
-    print "Generating DTOs"
+    logger.debug("Generating DTOs for %s" % inputfile)
 
     if not os.path.exists(dto_package):
         os.mkdir(dto_package)
diff --git a/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_c_gen.py b/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_c_gen.py
index df1312a1308..b97a9f95435 100644
--- a/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_c_gen.py
+++ b/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_c_gen.py
@@ -366,9 +366,9 @@ $handler_registration
 """)
 
 
-def generate_jvpp(func_list, plugin_name, inputfile, path):
+def generate_jvpp(func_list, plugin_name, inputfile, path, logger):
     """ Generates jvpp C file """
-    print "Generating jvpp C"
+    logger.debug("Generating jvpp C for %s" % inputfile)
 
     class_cache = generate_class_cache(func_list, plugin_name)
     jni_impl = generate_jni_impl(func_list, plugin_name, inputfile)
diff --git a/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_callback_facade_gen.py b/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_callback_facade_gen.py
index a365946beea..c378721c000 100644
--- a/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_callback_facade_gen.py
+++ b/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_callback_facade_gen.py
@@ -98,9 +98,10 @@ no_arg_method_impl_template = Template("""    public final void $name($plugin_pa
 """)
 
 
-def generate_jvpp(func_list, base_package, plugin_package, plugin_name, dto_package, callback_package, notification_package, callback_facade_package, inputfile):
+def generate_jvpp(func_list, base_package, plugin_package, plugin_name, dto_package, callback_package,
+                  notification_package, callback_facade_package, inputfile, logger):
     """ Generates callback facade """
-    print "Generating JVpp callback facade"
+    logger.debug("Generating JVpp callback facade for %s" % inputfile)
 
     if os.path.exists(callback_facade_package):
         util.remove_folder(callback_facade_package)
diff --git a/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_future_facade_gen.py b/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_future_facade_gen.py
index b91eca26142..c1a7f1c1799 100644
--- a/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_future_facade_gen.py
+++ b/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_future_facade_gen.py
@@ -156,9 +156,10 @@ jvpp_facade_details_callback_method_template = Template("""
 """)
 
 
-def generate_jvpp(func_list, base_package, plugin_package, plugin_name, dto_package, callback_package, notification_package, future_facade_package, inputfile):
+def generate_jvpp(func_list, base_package, plugin_package, plugin_name, dto_package, callback_package,
+                  notification_package, future_facade_package, inputfile, logger):
     """ Generates JVpp interface and JNI implementation """
-    print "Generating JVpp future facade"
+    logger.debug("Generating JVpp future facade for %s" % inputfile)
 
     if not os.path.exists(future_facade_package):
         os.mkdir(future_facade_package)
diff --git a/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py b/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py
index c2b8ebbf574..69eb67e8357 100644
--- a/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py
+++ b/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py
@@ -165,9 +165,9 @@ no_arg_method_impl_template = Template("""    public final int $name() throws io
 """)
 
 
-def generate_jvpp(func_list, base_package, plugin_package, plugin_name_underscore, dto_package, inputfile):
+def generate_jvpp(func_list, base_package, plugin_package, plugin_name_underscore, dto_package, inputfile, logger):
     """ Generates JVpp interface and JNI implementation """
-    print "Generating JVpp"
+    logger.debug("Generating JVpp interface implementation for %s" % inputfile)
     plugin_name = util.underscore_to_camelcase_upper(plugin_name_underscore)
 
     methods = []
diff --git a/src/vpp-api/java/jvpp/gen/jvppgen/notification_gen.py b/src/vpp-api/java/jvpp/gen/jvppgen/notification_gen.py
index 72a32469460..2008a42297e 100644
--- a/src/vpp-api/java/jvpp/gen/jvppgen/notification_gen.py
+++ b/src/vpp-api/java/jvpp/gen/jvppgen/notification_gen.py
@@ -123,9 +123,10 @@ public interface ${plugin_name}EventRegistryProvider extends $base_package.$noti
 """)
 
 
-def generate_notification_registry(func_list, base_package, plugin_package, plugin_name, notification_package, callback_package, dto_package, inputfile):
+def generate_notification_registry(func_list, base_package, plugin_package, plugin_name, notification_package,
+                                   callback_package, dto_package, inputfile, logger):
     """ Generates notification registry interface and implementation """
-    print "Generating Notification interfaces and implementation"
+    logger.debug("Generating Notification interfaces and implementation for %s" % inputfile)
 
     if not os.path.exists(notification_package):
         os.mkdir(notification_package)
diff --git a/src/vpp-api/java/jvpp/gen/jvppgen/types_gen.py b/src/vpp-api/java/jvpp/gen/jvppgen/types_gen.py
index 858ea8baae7..c655933ddea 100644
--- a/src/vpp-api/java/jvpp/gen/jvppgen/types_gen.py
+++ b/src/vpp-api/java/jvpp/gen/jvppgen/types_gen.py
@@ -142,17 +142,16 @@ def generate_type_setter(handler_name, type_def, c_name_prefix, object_name, ind
     return indent + type_initialization.replace('\n', '\n' + indent)
 
 
-def generate_types(types_list, plugin_package, types_package, inputfile):
+def generate_types(types_list, plugin_package, types_package, inputfile, logger):
     """
     Generates Java representation of custom types defined in api file.
     """
 
-    #
     if not types_list:
-        print "Skipping custom types generation (%s does not define custom types)." % inputfile
+        logger.debug("Skipping custom types generation (%s does not define custom types)." % inputfile)
         return
 
-    print "Generating custom types"
+    logger.debug("Generating custom types for %s" % inputfile)
 
     if not os.path.exists(types_package):
         os.mkdir(types_package)