def gen_obj_show_h(out, name): loxi_utils.gen_c_copy_license(out) out.write(""" /** * * AUTOMATICALLY GENERATED FILE. Edits will be lost on regen. * * Header file for object showing. */ /** * Show object declarations * * Routines that emit a human-readable dump of each object. * */ #if !defined(_LOCI_OBJ_SHOW_H_) #define _LOCI_OBJ_SHOW_H_ #include <loci/loci.h> #include <stdio.h> /* g++ requires this to pick up PRI, etc. * See http://gcc.gnu.org/ml/gcc-help/2006-10/msg00223.html */ #if !defined(__STDC_FORMAT_MACROS) #define __STDC_FORMAT_MACROS #endif #include <inttypes.h> /** * Show any OF object. */ int of_object_show(loci_writer_f writer, void* cookie, of_object_t* obj); """) type_to_emitter = dict( ) for version in of_g.of_version_range: for cls in of_g.standard_class_order: if not loxi_utils.class_in_version(cls, version): continue if cls in type_maps.inheritance_map: continue out.write("""\ int %(cls)s_%(ver_name)s_show(loci_writer_f writer, void* cookie, %(cls)s_t *obj); """ % dict(cls=cls, ver_name=loxi_utils.version_to_name(version))) out.write(""" #endif /* _LOCI_OBJ_SHOW_H_ */ """)
def gen_h(out, name): loxi_utils.gen_c_copy_license(out) out.write(""" /** * * AUTOMATICALLY GENERATED FILE. Edits will be lost on regen. * * Declarations of message validation functions. These functions check that an * OpenFlow message is well formed. Specifically, they check internal length * fields. */ #if !defined(_LOCI_VALIDATOR_H_) #define _LOCI_VALIDATOR_H_ #include <loci/loci.h> /* * Validate an OpenFlow message. * @return 0 if message is valid, -1 otherwise. */ extern int of_validate_message(of_message_t msg, int len); #endif /* _LOCI_VALIDATOR_H_ */ """)
def gen_obj_show_c(out, name): loxi_utils.gen_c_copy_license(out) out.write(""" /** * * AUTOMATICALLY GENERATED FILE. Edits will be lost on regen. * * Source file for object showing. * */ #define DISABLE_WARN_UNUSED_RESULT #include <loci/loci.h> #include <loci/loci_show.h> #include <loci/loci_obj_show.h> static int unknown_show(loci_writer_f writer, void* cookie, of_object_t *obj) { return writer(cookie, "Unable to print object of type %d, version %d\\n", obj->object_id, obj->version); } """) for version in of_g.of_version_range: ver_name = loxi_utils.version_to_name(version) for cls in of_g.standard_class_order: if not loxi_utils.class_in_version(cls, version): continue if cls in type_maps.inheritance_map: continue out.write(""" int %(cls)s_%(ver_name)s_show(loci_writer_f writer, void* cookie, %(cls)s_t *obj) { int out = 0; """ % dict(cls=cls, ver_name=ver_name)) members, member_types = loxi_utils.all_member_types_get(cls, version) for m_type in member_types: if loxi_utils.type_is_scalar(m_type) or m_type in \ ["of_match_t", "of_octets_t"]: # Declare instance of these out.write(" %s %s;\n" % (m_type, var_name_map(m_type))) else: out.write(""" %(m_type)s %(v_name)s; """ % dict(m_type=m_type, v_name=var_name_map(m_type))) if loxi_utils.class_is_list(m_type): base_type = loxi_utils.list_to_entry_type(m_type) out.write(" %s elt;\n int rv;\n" % base_type) for member in members: m_type = member["m_type"] m_name = member["name"] #emitter = "LOCI_SHOW_" + loxi_utils.type_to_short_name(m_type) emitter = "LOCI_SHOW_" + loxi_utils.type_to_short_name(m_type) + "_" + m_name; if loxi_utils.skip_member_name(m_name): continue if (loxi_utils.type_is_scalar(m_type) or m_type in ["of_match_t", "of_octets_t"]): out.write(""" %(cls)s_%(m_name)s_get(obj, &%(v_name)s); out += writer(cookie, "%(m_name)s="); out += %(emitter)s(writer, cookie, %(v_name)s); out += writer(cookie, " "); """ % dict(cls=cls, m_name=m_name, m_type=m_type, v_name=var_name_map(m_type), emitter=emitter)) elif loxi_utils.class_is_list(m_type): sub_cls = m_type[:-2] # Trim _t elt_type = loxi_utils.list_to_entry_type(m_type) out.write(""" out += writer(cookie, "%(elt_type)s={ "); %(cls)s_%(m_name)s_bind(obj, &%(v_name)s); %(u_type)s_ITER(&%(v_name)s, &elt, rv) { of_object_show(writer, cookie, (of_object_t *)&elt); } out += writer(cookie, "} "); """ % dict(sub_cls=sub_cls, u_type=sub_cls.upper(), v_name=var_name_map(m_type), elt_type=elt_type, cls=cls, m_name=m_name, m_type=m_type)) else: sub_cls = m_type[:-2] # Trim _t out.write(""" %(cls)s_%(m_name)s_bind(obj, &%(v_name)s); out += %(sub_cls)s_%(ver_name)s_show(writer, cookie, &%(v_name)s); """ % dict(cls=cls, sub_cls=sub_cls, m_name=m_name, v_name=var_name_map(m_type), ver_name=ver_name)) out.write(""" return out; } """) out.write(""" /** * Log a match entry */ int loci_show_match(loci_writer_f writer, void* cookie, of_match_t *match) { int out = 0; """) for key, entry in match.of_match_members.items(): m_type = entry["m_type"] #emitter = "LOCI_SHOW_" + loxi_utils.type_to_short_name(m_type) emitter = "LOCI_SHOW_" + loxi_utils.type_to_short_name(m_type) + "_" + key; out.write(""" if (OF_MATCH_MASK_%(ku)s_ACTIVE_TEST(match)) { out += writer(cookie, "%(key)s active="); out += %(emitter)s(writer, cookie, match->fields.%(key)s); out += writer(cookie, "/"); out += %(emitter)s(writer, cookie, match->masks.%(key)s); out += writer(cookie, " "); } """ % dict(key=key, ku=key.upper(), emitter=emitter, m_type=m_type)) out.write(""" return out; } """) # Generate big table indexed by version and object for version in of_g.of_version_range: out.write(""" static loci_obj_show_f show_funs_v%(version)s[OF_OBJECT_COUNT] = { """ % dict(version=version)) out.write(" unknown_show, /* of_object, not a valid specific type */\n") for j, cls in enumerate(of_g.all_class_order): comma = "" if j < len(of_g.all_class_order) - 1: # Avoid ultimate comma comma = "," if (not loxi_utils.class_in_version(cls, version) or cls in type_maps.inheritance_map): out.write(" unknown_show%s\n" % comma); else: out.write(" %s_%s_show%s\n" % (cls, loxi_utils.version_to_name(version), comma)) out.write("};\n\n") out.write(""" static loci_obj_show_f *show_funs[5] = { NULL, show_funs_v1, show_funs_v2, show_funs_v3, show_funs_v4 }; int of_object_show(loci_writer_f writer, void* cookie, of_object_t *obj) { if ((obj->object_id > 0) && (obj->object_id < OF_OBJECT_COUNT)) { if (((obj)->version > 0) && ((obj)->version <= OF_VERSION_1_2)) { /* @fixme VERSION */ return show_funs[obj->version][obj->object_id](writer, cookie, (of_object_t *)obj); } else { return writer(cookie, "Bad version %d\\n", obj->version); } } return writer(cookie, "Bad object id %d\\n", obj->object_id); } """)
def gen_c(out, name): loxi_utils.gen_c_copy_license(out) out.write(""" /** * * AUTOMATICALLY GENERATED FILE. Edits will be lost on regen. * * Source file for OpenFlow message validation. * */ #include "loci_log.h" #include <loci/loci.h> #include <loci/loci_validator.h> #define VALIDATOR_LOG(...) LOCI_LOG_ERROR("Validator Error: " __VA_ARGS__) """) # Declarations for version in of_g.of_version_range: ver_name = loxi_utils.version_to_name(version) for cls in reversed(of_g.standard_class_order): if not loxi_utils.class_in_version(cls, version): continue if cls in type_maps.inheritance_map: continue out.write(""" static inline int %(cls)s_%(ver_name)s_validate(uint8_t *buf, int len);\ """ % dict(cls=cls, ver_name=ver_name)) out.write("\n") # Definitions for version in of_g.of_version_range: ver_name = loxi_utils.version_to_name(version) for cls in reversed(of_g.standard_class_order): if not loxi_utils.class_in_version(cls, version): continue if cls in type_maps.inheritance_map: continue if loxi_utils.class_is_list(cls): gen_list_validator(out, cls, version) else: gen_validator(out, cls, version) out.write(""" int of_validate_message_%(ver_name)s(of_message_t msg, int len) { of_object_id_t object_id = of_message_to_object_id(msg, len); uint8_t *buf = OF_MESSAGE_TO_BUFFER(msg); switch (object_id) { """ % dict(ver_name=ver_name)) for cls in reversed(of_g.standard_class_order): if not loxi_utils.class_in_version(cls, version): continue if cls in type_maps.inheritance_map: continue if loxi_utils.class_is_message(cls): out.write("""\ case %(cls_id)s: return %(cls)s_%(ver_name)s_validate(buf, len); """ % dict(ver_name=ver_name, cls=cls, cls_id=cls.upper())) out.write("""\ default: VALIDATOR_LOG("%(cls)s: could not map %(cls_id)s"); return -1; } } """ % dict(ver_name=ver_name, cls=cls, cls_id=cls.upper())) out.write(""" int of_validate_message(of_message_t msg, int len) { of_version_t version; if (len < OF_MESSAGE_MIN_LENGTH || len != of_message_length_get(msg)) { VALIDATOR_LOG("message length %d != %d", len, of_message_length_get(msg)); return -1; } version = of_message_version_get(msg); switch (version) { """) for version in of_g.of_version_range: ver_name = loxi_utils.version_to_name(version) out.write("""\ case %(ver_name)s: return of_validate_message_%(ver_name)s(msg, len); """ % dict(ver_name=ver_name)) out.write("""\ default: VALIDATOR_LOG("Bad version %%d", %(ver_name)s); return -1; } } """ % dict(ver_name=ver_name))
def gen_obj_show_c(out, name): loxi_utils.gen_c_copy_license(out) out.write(""" /** * * AUTOMATICALLY GENERATED FILE. Edits will be lost on regen. * * Source file for object showing. * */ #define DISABLE_WARN_UNUSED_RESULT #include <loci/loci.h> #include <loci/loci_show.h> #include <loci/loci_obj_show.h> static int unknown_show(loci_writer_f writer, void* cookie, of_object_t *obj) { return writer(cookie, "Unable to print object of type %d, version %d\\n", obj->object_id, obj->version); } """) for version in of_g.of_version_range: ver_name = loxi_utils.version_to_name(version) for cls in of_g.standard_class_order: if not loxi_utils.class_in_version(cls, version): continue if type_maps.class_is_virtual(cls): continue out.write(""" int %(cls)s_%(ver_name)s_show(loci_writer_f writer, void* cookie, of_object_t *obj) { int out = 0; """ % dict(cls=cls, ver_name=ver_name)) members, member_types = loxi_utils.all_member_types_get(cls, version) for m_type in member_types: if loxi_utils.type_is_scalar(m_type) or m_type in \ ["of_match_t", "of_octets_t"]: # Declare instance of these out.write(" %s %s;\n" % (m_type, var_name_map(m_type))) else: out.write(""" %(m_type)s %(v_name)s; """ % dict(m_type=m_type, v_name=var_name_map(m_type))) if loxi_utils.class_is_list(m_type): out.write(" of_object_t elt;\n int rv;\n") for member in members: m_type = member["m_type"] m_name = member["name"] emitter = gen_emitter(cls, m_name, m_type) if loxi_utils.skip_member_name(m_name): continue if (loxi_utils.type_is_scalar(m_type) or m_type in ["of_match_t", "of_octets_t"]): out.write(""" %(cls)s_%(m_name)s_get(obj, &%(v_name)s); out += writer(cookie, "%(m_name)s="); out += %(emitter)s(writer, cookie, %(v_name)s); out += writer(cookie, " "); """ % dict(cls=cls, m_name=m_name, m_type=m_type, v_name=var_name_map(m_type), emitter=emitter)) elif loxi_utils.class_is_list(m_type): sub_cls = m_type[:-2] # Trim _t elt_type = loxi_utils.list_to_entry_type(m_type) out.write(""" out += writer(cookie, "%(elt_type)s={ "); %(cls)s_%(m_name)s_bind(obj, &%(v_name)s); %(u_type)s_ITER(&%(v_name)s, &elt, rv) { of_object_show(writer, cookie, (of_object_t *)&elt); } out += writer(cookie, "} "); """ % dict(sub_cls=sub_cls, u_type=sub_cls.upper(), v_name=var_name_map(m_type), elt_type=elt_type, cls=cls, m_name=m_name, m_type=m_type)) else: sub_cls = m_type[:-2] # Trim _t out.write(""" %(cls)s_%(m_name)s_bind(obj, &%(v_name)s); out += of_object_show(writer, cookie, &%(v_name)s); """ % dict(cls=cls, sub_cls=sub_cls, m_name=m_name, v_name=var_name_map(m_type), ver_name=ver_name)) out.write(""" return out; } """) out.write(""" /** * Log a match entry */ int loci_show_match(loci_writer_f writer, void* cookie, of_match_t *match) { int out = 0; """) for key, entry in match.of_match_members.items(): m_type = entry["m_type"] emitter = gen_emitter('of_match', key, m_type) out.write(""" if (OF_MATCH_MASK_%(ku)s_ACTIVE_TEST(match)) { out += writer(cookie, "%(key)s active="); out += %(emitter)s(writer, cookie, match->fields.%(key)s); out += writer(cookie, "/"); out += %(emitter)s(writer, cookie, match->masks.%(key)s); out += writer(cookie, " "); } """ % dict(key=key, ku=key.upper(), emitter=emitter, m_type=m_type)) out.write(""" return out; } """) # Generate big table indexed by version and object for version in of_g.of_version_range: out.write(""" static const loci_obj_show_f show_funs_v%(version)s[OF_OBJECT_COUNT] = { """ % dict(version=version)) out.write(" unknown_show, /* of_object, not a valid specific type */\n") for j, cls in enumerate(of_g.all_class_order): comma = "" if j < len(of_g.all_class_order) - 1: # Avoid ultimate comma comma = "," if (not loxi_utils.class_in_version(cls, version) or type_maps.class_is_virtual(cls)): out.write(" unknown_show%s\n" % comma); else: out.write(" %s_%s_show%s\n" % (cls, loxi_utils.version_to_name(version), comma)) out.write("};\n\n") out.write(""" static const loci_obj_show_f *const show_funs[] = { """) for version in of_g.of_version_range: out.write(" [%(v)d] = show_funs_v%(v)d,\n" % dict(v=version)) out.write("""\ }; int of_object_show(loci_writer_f writer, void* cookie, of_object_t *obj) { if ((obj->object_id > 0) && (obj->object_id < OF_OBJECT_COUNT)) { if (OF_VERSION_OKAY(obj->version)) { return show_funs[obj->version][obj->object_id](writer, cookie, (of_object_t *)obj); } else { return writer(cookie, "Bad version %d\\n", obj->version); } } return writer(cookie, "Bad object id %d\\n", obj->object_id); } """)