[PATCH v4 01/41] dissector: Start adding code to generate wireshark dissector

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Added a stub dissector.py code.
Added file to Makefiles.
Add option to call dissector and code to call it.

Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
 common/Makefile.am          |  1 +
 python_modules/Makefile.am  |  1 +
 python_modules/dissector.py | 14 ++++++++++++++
 spice_codegen.py            | 17 ++++++++++++++---
 4 files changed, 30 insertions(+), 3 deletions(-)
 create mode 100644 python_modules/dissector.py

diff --git a/common/Makefile.am b/common/Makefile.am
index b4384e8..5e1bffe 100644
--- a/common/Makefile.am
+++ b/common/Makefile.am
@@ -106,6 +106,7 @@ MARSHALLERS_DEPS =					\
 	$(top_srcdir)/python_modules/marshal.py		\
 	$(top_srcdir)/python_modules/ptypes.py		\
 	$(top_srcdir)/python_modules/spice_parser.py	\
+	$(top_srcdir)/python_modules/dissector.py	\
 	$(top_srcdir)/spice_codegen.py			\
 	$(NULL)
 
diff --git a/python_modules/Makefile.am b/python_modules/Makefile.am
index 50e1a71..5983d5b 100644
--- a/python_modules/Makefile.am
+++ b/python_modules/Makefile.am
@@ -7,6 +7,7 @@ PYTHON_MODULES =				\
 	marshal.py				\
 	ptypes.py				\
 	spice_parser.py				\
+	dissector.py				\
 	$(NULL)
 
 EXTRA_DIST = $(PYTHON_MODULES)
diff --git a/python_modules/dissector.py b/python_modules/dissector.py
new file mode 100644
index 0000000..90ba498
--- /dev/null
+++ b/python_modules/dissector.py
@@ -0,0 +1,14 @@
+
+from . import codegen
+
+def write_protocol_parser(writer, proto):
+    pass
+
+def write_includes(writer):
+    writer.newline()
+    writer.writeln('#include <epan/packet.h>')
+    writer.writeln('#include <epan/conversation.h>')
+    writer.writeln('#include <epan/expert.h>')
+    writer.newline()
+    writer.writeln('#include "packet-spice.h"')
+    writer.newline()
diff --git a/spice_codegen.py b/spice_codegen.py
index 569cccc..4f0d5cf 100755
--- a/spice_codegen.py
+++ b/spice_codegen.py
@@ -9,6 +9,7 @@ from python_modules import ptypes
 from python_modules import codegen
 from python_modules import demarshal
 from python_modules import marshal
+from python_modules import dissector
 import six
 
 def write_channel_enums(writer, channel, client, describe):
@@ -110,7 +111,7 @@ parser.add_option("-e", "--generate-enums",
                   action="store_true", dest="generate_enums", default=False,
                   help="Generate enums")
 parser.add_option("-w", "--generate-wireshark-dissector",
-                  action="store_true", dest="generate_dissector", default=False,
+                  action="store_true", dest="generate_enum_dissector", default=False,
                   help="Generate Wireshark dissector definitions")
 parser.add_option("-d", "--generate-demarshallers",
                   action="store_true", dest="generate_demarshallers", default=False,
@@ -118,6 +119,9 @@ parser.add_option("-d", "--generate-demarshallers",
 parser.add_option("-m", "--generate-marshallers",
                   action="store_true", dest="generate_marshallers", default=False,
                   help="Generate message marshallers")
+parser.add_option("--generate-dissector",
+                  action="store_true", dest="generate_dissector", default=False,
+                  help="Generate dissector")
 parser.add_option("-P", "--private-marshallers",
                   action="store_true", dest="private_marshallers", default=False,
                   help="Generate private message marshallers")
@@ -213,8 +217,15 @@ if options.includes:
         writer.header.writeln('#include <%s>' % i)
         writer.writeln('#include <%s>' % i)
 
-if options.generate_enums or options.generate_dissector:
-    write_enums(writer, options.generate_dissector)
+if options.generate_enums or options.generate_enum_dissector:
+    write_enums(writer, options.generate_enum_dissector)
+
+if options.generate_dissector:
+    if options.generate_demarshallers:
+        print >> sys.stderr, "You can't specify --generate-demarshallers with --generate-dissector"
+        sys.exit(1)
+    dissector.write_includes(writer)
+    dissector.write_protocol_parser(writer, proto)
 
 if options.generate_demarshallers:
     if not options.server and not options.client:
-- 
2.1.0

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