Ole Troan | 1b1ccad | 2019-10-25 18:30:40 +0200 | [diff] [blame] | 1 | #!/usr/bin/env python3 |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 2 | |
| 3 | import argparse |
| 4 | import os |
| 5 | import sys |
| 6 | import logging |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 7 | from vapi_json_parser import Field, Struct, Enum, Union, Message, JsonParser,\ |
Ole Troan | 53fffa1 | 2018-11-13 12:36:56 +0100 | [diff] [blame] | 8 | SimpleType, StructType, Alias |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 9 | |
| 10 | |
| 11 | class CField(Field): |
Ole Troan | 53fffa1 | 2018-11-13 12:36:56 +0100 | [diff] [blame] | 12 | def get_c_name(self): |
Ole Troan | 8c8acc0 | 2018-11-27 10:05:23 +0100 | [diff] [blame] | 13 | return "vapi_type_%s" % self.name |
Ole Troan | 53fffa1 | 2018-11-13 12:36:56 +0100 | [diff] [blame] | 14 | |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 15 | def get_c_def(self): |
Ole Troan | e5ff5a3 | 2019-08-23 22:55:18 +0200 | [diff] [blame] | 16 | if self.type.get_c_name() == 'vl_api_string_t': |
| 17 | if self.len: |
| 18 | return "u8 %s[%d];" % (self.name, self.len) |
| 19 | else: |
| 20 | return "vl_api_string_t %s;" % (self.name) |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 21 | else: |
Paul Vinciguerra | d7a32eb | 2020-05-01 10:09:58 -0400 | [diff] [blame] | 22 | if self.len is not None and type(self.len) != dict: |
Ole Troan | e5ff5a3 | 2019-08-23 22:55:18 +0200 | [diff] [blame] | 23 | return "%s %s[%d];" % (self.type.get_c_name(), self.name, self.len) |
| 24 | else: |
| 25 | return "%s %s;" % (self.type.get_c_name(), self.name) |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 26 | |
| 27 | def get_swap_to_be_code(self, struct, var): |
Paul Vinciguerra | d7a32eb | 2020-05-01 10:09:58 -0400 | [diff] [blame] | 28 | if self.len is not None and type(self.len) != dict: |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 29 | if self.len > 0: |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 30 | return "do { unsigned i; for (i = 0; i < %d; ++i) { %s } }"\ |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 31 | " while(0);" % ( |
| 32 | self.len, |
| 33 | self.type.get_swap_to_be_code(struct, "%s[i]" % var)) |
| 34 | else: |
| 35 | if self.nelem_field.needs_byte_swap(): |
| 36 | nelem_field = "%s(%s%s)" % ( |
| 37 | self.nelem_field.type.get_swap_to_host_func_name(), |
| 38 | struct, self.nelem_field.name) |
| 39 | else: |
| 40 | nelem_field = "%s%s" % (struct, self.nelem_field.name) |
| 41 | return ( |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 42 | "do { unsigned i; for (i = 0; i < %s; ++i) { %s } }" |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 43 | " while(0);" % |
| 44 | (nelem_field, self.type.get_swap_to_be_code( |
| 45 | struct, "%s[i]" % var))) |
| 46 | return self.type.get_swap_to_be_code(struct, "%s" % var) |
| 47 | |
| 48 | def get_swap_to_host_code(self, struct, var): |
Paul Vinciguerra | d7a32eb | 2020-05-01 10:09:58 -0400 | [diff] [blame] | 49 | if self.len is not None and type(self.len) != dict: |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 50 | if self.len > 0: |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 51 | return "do { unsigned i; for (i = 0; i < %d; ++i) { %s } }"\ |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 52 | " while(0);" % ( |
| 53 | self.len, |
| 54 | self.type.get_swap_to_host_code(struct, "%s[i]" % var)) |
| 55 | else: |
| 56 | # nelem_field already swapped to host here... |
| 57 | return ( |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 58 | "do { unsigned i; for (i = 0; i < %s%s; ++i) { %s } }" |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 59 | " while(0);" % |
| 60 | (struct, self.nelem_field.name, |
| 61 | self.type.get_swap_to_host_code( |
| 62 | struct, "%s[i]" % var))) |
| 63 | return self.type.get_swap_to_host_code(struct, "%s" % var) |
| 64 | |
| 65 | def needs_byte_swap(self): |
| 66 | return self.type.needs_byte_swap() |
| 67 | |
Klement Sekera | 34a962b | 2018-09-06 19:31:36 +0200 | [diff] [blame] | 68 | def get_vla_field_length_name(self, path): |
| 69 | return "%s_%s_array_size" % ("_".join(path), self.name) |
| 70 | |
| 71 | def get_alloc_vla_param_names(self, path): |
| 72 | if self.is_vla(): |
| 73 | result = [self.get_vla_field_length_name(path)] |
| 74 | else: |
| 75 | result = [] |
| 76 | if self.type.has_vla(): |
| 77 | t = self.type.get_alloc_vla_param_names(path + [self.name]) |
| 78 | result.extend(t) |
| 79 | return result |
| 80 | |
| 81 | def get_vla_calc_size_code(self, prefix, path): |
| 82 | if self.is_vla(): |
| 83 | result = ["sizeof(%s.%s[0]) * %s" % ( |
| 84 | ".".join([prefix] + path), |
| 85 | self.name, |
| 86 | self.get_vla_field_length_name(path))] |
| 87 | else: |
| 88 | result = [] |
| 89 | if self.type.has_vla(): |
| 90 | t = self.type.get_vla_calc_size_code(prefix, path + [self.name]) |
| 91 | result.extend(t) |
| 92 | return result |
| 93 | |
| 94 | def get_vla_assign_code(self, prefix, path): |
| 95 | result = [] |
| 96 | if self.is_vla(): |
| 97 | result.append("%s.%s = %s" % ( |
| 98 | ".".join([prefix] + path), |
| 99 | self.nelem_field.name, |
| 100 | self.get_vla_field_length_name(path))) |
| 101 | if self.type.has_vla(): |
| 102 | t = self.type.get_vla_assign_code(prefix, path + [self.name]) |
| 103 | result.extend(t) |
| 104 | return result |
| 105 | |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 106 | |
Ole Troan | 53fffa1 | 2018-11-13 12:36:56 +0100 | [diff] [blame] | 107 | class CAlias(CField): |
| 108 | def get_c_name(self): |
Ole Troan | 8c8acc0 | 2018-11-27 10:05:23 +0100 | [diff] [blame] | 109 | return "vapi_type_%s" % self.name |
Ole Troan | 53fffa1 | 2018-11-13 12:36:56 +0100 | [diff] [blame] | 110 | |
| 111 | def get_c_def(self): |
Ole Troan | 8c8acc0 | 2018-11-27 10:05:23 +0100 | [diff] [blame] | 112 | if self.len is not None: |
Klement Sekera | 173e20c | 2018-12-12 12:57:32 +0100 | [diff] [blame] | 113 | return "typedef %s vapi_type_%s[%d];" % ( |
| 114 | self.type.get_c_name(), self.name, self.len) |
Ole Troan | 8c8acc0 | 2018-11-27 10:05:23 +0100 | [diff] [blame] | 115 | else: |
Klement Sekera | 173e20c | 2018-12-12 12:57:32 +0100 | [diff] [blame] | 116 | return "typedef %s vapi_type_%s;" % ( |
| 117 | self.type.get_c_name(), self.name) |
Ole Troan | 53fffa1 | 2018-11-13 12:36:56 +0100 | [diff] [blame] | 118 | |
| 119 | |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 120 | class CStruct(Struct): |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 121 | def get_c_def(self): |
| 122 | return "\n".join([ |
Ole Troan | 53fffa1 | 2018-11-13 12:36:56 +0100 | [diff] [blame] | 123 | "typedef struct __attribute__((__packed__)) {\n%s" % ( |
| 124 | "\n".join([" %s" % x.get_c_def() |
| 125 | for x in self.fields])), |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 126 | "} %s;" % self.get_c_name()]) |
| 127 | |
Klement Sekera | 34a962b | 2018-09-06 19:31:36 +0200 | [diff] [blame] | 128 | def get_vla_assign_code(self, prefix, path): |
| 129 | return [x for f in self.fields if f.has_vla() |
| 130 | for x in f.get_vla_assign_code(prefix, path)] |
| 131 | |
| 132 | def get_alloc_vla_param_names(self, path): |
| 133 | return [x for f in self.fields |
| 134 | if f.has_vla() |
| 135 | for x in f.get_alloc_vla_param_names(path)] |
| 136 | |
| 137 | def get_vla_calc_size_code(self, prefix, path): |
| 138 | return [x for f in self.fields if f.has_vla() |
| 139 | for x in f.get_vla_calc_size_code(prefix, path)] |
| 140 | |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 141 | |
| 142 | class CSimpleType (SimpleType): |
| 143 | |
| 144 | swap_to_be_dict = { |
| 145 | 'i16': 'htobe16', 'u16': 'htobe16', |
| 146 | 'i32': 'htobe32', 'u32': 'htobe32', |
| 147 | 'i64': 'htobe64', 'u64': 'htobe64', |
| 148 | } |
| 149 | |
| 150 | swap_to_host_dict = { |
| 151 | 'i16': 'be16toh', 'u16': 'be16toh', |
| 152 | 'i32': 'be32toh', 'u32': 'be32toh', |
| 153 | 'i64': 'be64toh', 'u64': 'be64toh', |
| 154 | } |
| 155 | |
Neale Ranns | b5c0d35 | 2020-04-22 16:06:45 +0000 | [diff] [blame] | 156 | __packed = "__attribute__((packed))" |
| 157 | pack_dict = { |
| 158 | 'i8': __packed, 'u8': __packed, |
| 159 | 'i16': __packed, 'u16': __packed, |
| 160 | } |
| 161 | |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 162 | def get_c_name(self): |
| 163 | return self.name |
| 164 | |
| 165 | def get_swap_to_be_func_name(self): |
| 166 | return self.swap_to_be_dict[self.name] |
| 167 | |
| 168 | def get_swap_to_host_func_name(self): |
| 169 | return self.swap_to_host_dict[self.name] |
| 170 | |
Neale Ranns | b5c0d35 | 2020-04-22 16:06:45 +0000 | [diff] [blame] | 171 | def get_packed_string(self): |
| 172 | return self.pack_dict[self.name] |
| 173 | |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 174 | def get_swap_to_be_code(self, struct, var, cast=None): |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 175 | x = "%s%s" % (struct, var) |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 176 | return "%s = %s%s(%s);" % (x, |
| 177 | "(%s)" % cast if cast else "", |
| 178 | self.get_swap_to_be_func_name(), x) |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 179 | |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 180 | def get_swap_to_host_code(self, struct, var, cast=None): |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 181 | x = "%s%s" % (struct, var) |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 182 | return "%s = %s%s(%s);" % (x, |
| 183 | "(%s)" % cast if cast else "", |
| 184 | self.get_swap_to_host_func_name(), x) |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 185 | |
| 186 | def needs_byte_swap(self): |
| 187 | try: |
| 188 | self.get_swap_to_host_func_name() |
| 189 | return True |
Ole Troan | 53fffa1 | 2018-11-13 12:36:56 +0100 | [diff] [blame] | 190 | except KeyError: |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 191 | pass |
| 192 | return False |
| 193 | |
Neale Ranns | b5c0d35 | 2020-04-22 16:06:45 +0000 | [diff] [blame] | 194 | def get_packed(self): |
| 195 | return self.pack_dict.get(self.name, "") |
| 196 | |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 197 | |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 198 | class CEnum(Enum): |
| 199 | def get_c_name(self): |
| 200 | return "vapi_enum_%s" % self.name |
| 201 | |
| 202 | def get_c_def(self): |
Neale Ranns | b5c0d35 | 2020-04-22 16:06:45 +0000 | [diff] [blame] | 203 | return "typedef enum {\n%s\n} %s %s;" % ( |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 204 | "\n".join([" %s = %s," % (i, j) for i, j in self.value_pairs]), |
Neale Ranns | b5c0d35 | 2020-04-22 16:06:45 +0000 | [diff] [blame] | 205 | self.type.get_packed(), |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 206 | self.get_c_name() |
| 207 | ) |
| 208 | |
| 209 | def needs_byte_swap(self): |
| 210 | return self.type.needs_byte_swap() |
| 211 | |
| 212 | def get_swap_to_be_code(self, struct, var): |
| 213 | return self.type.get_swap_to_be_code(struct, var, self.get_c_name()) |
| 214 | |
| 215 | def get_swap_to_host_code(self, struct, var): |
| 216 | return self.type.get_swap_to_host_code(struct, var, self.get_c_name()) |
| 217 | |
| 218 | |
| 219 | class CUnion(Union): |
| 220 | def get_c_name(self): |
| 221 | return "vapi_union_%s" % self.name |
| 222 | |
| 223 | def get_c_def(self): |
| 224 | return "typedef union {\n%s\n} %s;" % ( |
| 225 | "\n".join([" %s %s;" % (i.get_c_name(), j) |
| 226 | for i, j in self.type_pairs]), |
| 227 | self.get_c_name() |
| 228 | ) |
| 229 | |
| 230 | def needs_byte_swap(self): |
| 231 | return False |
| 232 | |
| 233 | |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 234 | class CStructType (StructType, CStruct): |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 235 | def get_c_name(self): |
| 236 | return "vapi_type_%s" % self.name |
| 237 | |
| 238 | def get_swap_to_be_func_name(self): |
| 239 | return "%s_hton" % self.get_c_name() |
| 240 | |
| 241 | def get_swap_to_host_func_name(self): |
| 242 | return "%s_ntoh" % self.get_c_name() |
| 243 | |
| 244 | def get_swap_to_be_func_decl(self): |
| 245 | return "void %s(%s *msg)" % ( |
| 246 | self.get_swap_to_be_func_name(), self.get_c_name()) |
| 247 | |
| 248 | def get_swap_to_be_func_def(self): |
| 249 | return "%s\n{\n%s\n}" % ( |
| 250 | self.get_swap_to_be_func_decl(), |
| 251 | "\n".join([ |
| 252 | " %s" % p.get_swap_to_be_code("msg->", "%s" % p.name) |
| 253 | for p in self.fields if p.needs_byte_swap()]), |
| 254 | ) |
| 255 | |
| 256 | def get_swap_to_host_func_decl(self): |
| 257 | return "void %s(%s *msg)" % ( |
| 258 | self.get_swap_to_host_func_name(), self.get_c_name()) |
| 259 | |
| 260 | def get_swap_to_host_func_def(self): |
| 261 | return "%s\n{\n%s\n}" % ( |
| 262 | self.get_swap_to_host_func_decl(), |
| 263 | "\n".join([ |
| 264 | " %s" % p.get_swap_to_host_code("msg->", "%s" % p.name) |
| 265 | for p in self.fields if p.needs_byte_swap()]), |
| 266 | ) |
| 267 | |
| 268 | def get_swap_to_be_code(self, struct, var): |
| 269 | return "%s(&%s%s);" % (self.get_swap_to_be_func_name(), struct, var) |
| 270 | |
| 271 | def get_swap_to_host_code(self, struct, var): |
| 272 | return "%s(&%s%s);" % (self.get_swap_to_host_func_name(), struct, var) |
| 273 | |
| 274 | def needs_byte_swap(self): |
| 275 | for f in self.fields: |
| 276 | if f.needs_byte_swap(): |
| 277 | return True |
| 278 | return False |
| 279 | |
| 280 | |
| 281 | class CMessage (Message): |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 282 | def __init__(self, logger, definition, json_parser): |
| 283 | super(CMessage, self).__init__(logger, definition, json_parser) |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 284 | self.payload_members = [ |
| 285 | " %s" % p.get_c_def() |
| 286 | for p in self.fields |
| 287 | if p.type != self.header |
| 288 | ] |
| 289 | |
| 290 | def has_payload(self): |
| 291 | return len(self.payload_members) > 0 |
| 292 | |
| 293 | def get_msg_id_name(self): |
| 294 | return "vapi_msg_id_%s" % self.name |
| 295 | |
| 296 | def get_c_name(self): |
| 297 | return "vapi_msg_%s" % self.name |
| 298 | |
| 299 | def get_payload_struct_name(self): |
| 300 | return "vapi_payload_%s" % self.name |
| 301 | |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 302 | def get_alloc_func_name(self): |
| 303 | return "vapi_alloc_%s" % self.name |
| 304 | |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 305 | def get_alloc_vla_param_names(self): |
Klement Sekera | 34a962b | 2018-09-06 19:31:36 +0200 | [diff] [blame] | 306 | return [x for f in self.fields |
| 307 | if f.has_vla() |
| 308 | for x in f.get_alloc_vla_param_names([])] |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 309 | |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 310 | def get_alloc_func_decl(self): |
| 311 | return "%s* %s(struct vapi_ctx_s *ctx%s)" % ( |
| 312 | self.get_c_name(), |
| 313 | self.get_alloc_func_name(), |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 314 | "".join([", size_t %s" % n for n in |
| 315 | self.get_alloc_vla_param_names()])) |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 316 | |
| 317 | def get_alloc_func_def(self): |
| 318 | extra = [] |
| 319 | if self.header.has_field('client_index'): |
| 320 | extra.append( |
| 321 | " msg->header.client_index = vapi_get_client_index(ctx);") |
| 322 | if self.header.has_field('context'): |
| 323 | extra.append(" msg->header.context = 0;") |
| 324 | return "\n".join([ |
| 325 | "%s" % self.get_alloc_func_decl(), |
| 326 | "{", |
| 327 | " %s *msg = NULL;" % self.get_c_name(), |
| 328 | " const size_t size = sizeof(%s)%s;" % ( |
| 329 | self.get_c_name(), |
Klement Sekera | 34a962b | 2018-09-06 19:31:36 +0200 | [diff] [blame] | 330 | "".join([" + %s" % x for f in self.fields if f.has_vla() |
| 331 | for x in f.get_vla_calc_size_code("msg->payload", |
| 332 | [])])), |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 333 | " /* cast here required to play nicely with C++ world ... */", |
| 334 | " msg = (%s*)vapi_msg_alloc(ctx, size);" % self.get_c_name(), |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 335 | " if (!msg) {", |
| 336 | " return NULL;", |
| 337 | " }", |
| 338 | ] + extra + [ |
| 339 | " msg->header._vl_msg_id = vapi_lookup_vl_msg_id(ctx, %s);" % |
| 340 | self.get_msg_id_name(), |
Klement Sekera | 34a962b | 2018-09-06 19:31:36 +0200 | [diff] [blame] | 341 | "".join([" %s;\n" % line |
| 342 | for f in self.fields if f.has_vla() |
| 343 | for line in f.get_vla_assign_code("msg->payload", [])]), |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 344 | " return msg;", |
| 345 | "}"]) |
| 346 | |
| 347 | def get_calc_msg_size_func_name(self): |
| 348 | return "vapi_calc_%s_msg_size" % self.name |
| 349 | |
| 350 | def get_calc_msg_size_func_decl(self): |
| 351 | return "uword %s(%s *msg)" % ( |
| 352 | self.get_calc_msg_size_func_name(), |
| 353 | self.get_c_name()) |
| 354 | |
| 355 | def get_calc_msg_size_func_def(self): |
| 356 | return "\n".join([ |
| 357 | "%s" % self.get_calc_msg_size_func_decl(), |
| 358 | "{", |
| 359 | " return sizeof(*msg)%s;" % |
| 360 | "".join(["+ msg->payload.%s * sizeof(msg->payload.%s[0])" % ( |
| 361 | f.nelem_field.name, |
| 362 | f.name) |
| 363 | for f in self.fields |
| 364 | if f.nelem_field is not None |
| 365 | ]), |
| 366 | "}", |
| 367 | ]) |
| 368 | |
| 369 | def get_c_def(self): |
| 370 | if self.has_payload(): |
| 371 | return "\n".join([ |
| 372 | "typedef struct __attribute__ ((__packed__)) {", |
Ole Troan | 53fffa1 | 2018-11-13 12:36:56 +0100 | [diff] [blame] | 373 | "%s " % |
| 374 | "\n".join(self.payload_members), |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 375 | "} %s;" % self.get_payload_struct_name(), |
| 376 | "", |
| 377 | "typedef struct __attribute__ ((__packed__)) {", |
| 378 | (" %s %s;" % (self.header.get_c_name(), |
| 379 | self.fields[0].name) |
| 380 | if self.header is not None else ""), |
| 381 | " %s payload;" % self.get_payload_struct_name(), |
| 382 | "} %s;" % self.get_c_name(), ]) |
| 383 | else: |
| 384 | return "\n".join([ |
| 385 | "typedef struct __attribute__ ((__packed__)) {", |
| 386 | (" %s %s;" % (self.header.get_c_name(), |
| 387 | self.fields[0].name) |
| 388 | if self.header is not None else ""), |
| 389 | "} %s;" % self.get_c_name(), ]) |
| 390 | |
| 391 | def get_swap_payload_to_host_func_name(self): |
| 392 | return "%s_payload_ntoh" % self.get_c_name() |
| 393 | |
| 394 | def get_swap_payload_to_be_func_name(self): |
| 395 | return "%s_payload_hton" % self.get_c_name() |
| 396 | |
| 397 | def get_swap_payload_to_host_func_decl(self): |
| 398 | return "void %s(%s *payload)" % ( |
| 399 | self.get_swap_payload_to_host_func_name(), |
| 400 | self.get_payload_struct_name()) |
| 401 | |
| 402 | def get_swap_payload_to_be_func_decl(self): |
| 403 | return "void %s(%s *payload)" % ( |
| 404 | self.get_swap_payload_to_be_func_name(), |
| 405 | self.get_payload_struct_name()) |
| 406 | |
| 407 | def get_swap_payload_to_be_func_def(self): |
| 408 | return "%s\n{\n%s\n}" % ( |
| 409 | self.get_swap_payload_to_be_func_decl(), |
| 410 | "\n".join([ |
| 411 | " %s" % p.get_swap_to_be_code("payload->", "%s" % p.name) |
| 412 | for p in self.fields |
| 413 | if p.needs_byte_swap() and p.type != self.header]), |
| 414 | ) |
| 415 | |
| 416 | def get_swap_payload_to_host_func_def(self): |
| 417 | return "%s\n{\n%s\n}" % ( |
| 418 | self.get_swap_payload_to_host_func_decl(), |
| 419 | "\n".join([ |
| 420 | " %s" % p.get_swap_to_host_code("payload->", "%s" % p.name) |
| 421 | for p in self.fields |
| 422 | if p.needs_byte_swap() and p.type != self.header]), |
| 423 | ) |
| 424 | |
| 425 | def get_swap_to_host_func_name(self): |
| 426 | return "%s_ntoh" % self.get_c_name() |
| 427 | |
| 428 | def get_swap_to_be_func_name(self): |
| 429 | return "%s_hton" % self.get_c_name() |
| 430 | |
| 431 | def get_swap_to_host_func_decl(self): |
| 432 | return "void %s(%s *msg)" % ( |
| 433 | self.get_swap_to_host_func_name(), self.get_c_name()) |
| 434 | |
| 435 | def get_swap_to_be_func_decl(self): |
| 436 | return "void %s(%s *msg)" % ( |
| 437 | self.get_swap_to_be_func_name(), self.get_c_name()) |
| 438 | |
| 439 | def get_swap_to_be_func_def(self): |
| 440 | return "\n".join([ |
| 441 | "%s" % self.get_swap_to_be_func_decl(), |
| 442 | "{", |
| 443 | (" VAPI_DBG(\"Swapping `%s'@%%p to big endian\", msg);" % |
| 444 | self.get_c_name()), |
| 445 | " %s(&msg->header);" % self.header.get_swap_to_be_func_name() |
| 446 | if self.header is not None else "", |
| 447 | " %s(&msg->payload);" % self.get_swap_payload_to_be_func_name() |
| 448 | if self.has_payload() else "", |
| 449 | "}", |
| 450 | ]) |
| 451 | |
| 452 | def get_swap_to_host_func_def(self): |
| 453 | return "\n".join([ |
| 454 | "%s" % self.get_swap_to_host_func_decl(), |
| 455 | "{", |
| 456 | (" VAPI_DBG(\"Swapping `%s'@%%p to host byte order\", msg);" % |
| 457 | self.get_c_name()), |
| 458 | " %s(&msg->header);" % self.header.get_swap_to_host_func_name() |
| 459 | if self.header is not None else "", |
| 460 | " %s(&msg->payload);" % self.get_swap_payload_to_host_func_name() |
| 461 | if self.has_payload() else "", |
| 462 | "}", |
| 463 | ]) |
| 464 | |
| 465 | def get_op_func_name(self): |
| 466 | return "vapi_%s" % self.name |
| 467 | |
| 468 | def get_op_func_decl(self): |
| 469 | if self.reply.has_payload(): |
| 470 | return "vapi_error_e %s(%s)" % ( |
| 471 | self.get_op_func_name(), |
| 472 | ",\n ".join([ |
| 473 | 'struct vapi_ctx_s *ctx', |
| 474 | '%s *msg' % self.get_c_name(), |
| 475 | 'vapi_error_e (*callback)(struct vapi_ctx_s *ctx', |
| 476 | ' void *callback_ctx', |
| 477 | ' vapi_error_e rv', |
| 478 | ' bool is_last', |
| 479 | ' %s *reply)' % |
| 480 | self.reply.get_payload_struct_name(), |
| 481 | 'void *callback_ctx', |
| 482 | ]) |
| 483 | ) |
| 484 | else: |
| 485 | return "vapi_error_e %s(%s)" % ( |
| 486 | self.get_op_func_name(), |
| 487 | ",\n ".join([ |
| 488 | 'struct vapi_ctx_s *ctx', |
| 489 | '%s *msg' % self.get_c_name(), |
| 490 | 'vapi_error_e (*callback)(struct vapi_ctx_s *ctx', |
| 491 | ' void *callback_ctx', |
| 492 | ' vapi_error_e rv', |
| 493 | ' bool is_last)', |
| 494 | 'void *callback_ctx', |
| 495 | ]) |
| 496 | ) |
| 497 | |
| 498 | def get_op_func_def(self): |
| 499 | return "\n".join([ |
| 500 | "%s" % self.get_op_func_decl(), |
| 501 | "{", |
| 502 | " if (!msg || !callback) {", |
| 503 | " return VAPI_EINVAL;", |
| 504 | " }", |
| 505 | " if (vapi_is_nonblocking(ctx) && vapi_requests_full(ctx)) {", |
| 506 | " return VAPI_EAGAIN;", |
| 507 | " }", |
| 508 | " vapi_error_e rv;", |
| 509 | " if (VAPI_OK != (rv = vapi_producer_lock (ctx))) {", |
| 510 | " return rv;", |
| 511 | " }", |
| 512 | " u32 req_context = vapi_gen_req_context(ctx);", |
| 513 | " msg->header.context = req_context;", |
| 514 | " %s(msg);" % self.get_swap_to_be_func_name(), |
| 515 | (" if (VAPI_OK == (rv = vapi_send_with_control_ping " |
| 516 | "(ctx, msg, req_context))) {" |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 517 | if self.reply_is_stream else |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 518 | " if (VAPI_OK == (rv = vapi_send (ctx, msg))) {" |
| 519 | ), |
| 520 | (" vapi_store_request(ctx, req_context, %s, " |
| 521 | "(vapi_cb_t)callback, callback_ctx);" % |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 522 | ("true" if self.reply_is_stream else "false")), |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 523 | " if (VAPI_OK != vapi_producer_unlock (ctx)) {", |
| 524 | " abort (); /* this really shouldn't happen */", |
| 525 | " }", |
| 526 | " if (vapi_is_nonblocking(ctx)) {", |
| 527 | " rv = VAPI_OK;", |
| 528 | " } else {", |
| 529 | " rv = vapi_dispatch(ctx);", |
| 530 | " }", |
| 531 | " } else {", |
| 532 | " %s(msg);" % self.get_swap_to_host_func_name(), |
| 533 | " if (VAPI_OK != vapi_producer_unlock (ctx)) {", |
| 534 | " abort (); /* this really shouldn't happen */", |
| 535 | " }", |
| 536 | " }", |
| 537 | " return rv;", |
| 538 | "}", |
| 539 | "", |
| 540 | ]) |
| 541 | |
| 542 | def get_event_cb_func_decl(self): |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 543 | if not self.is_reply and not self.is_event: |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 544 | raise Exception( |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 545 | "Cannot register event callback for non-reply message") |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 546 | if self.has_payload(): |
| 547 | return "\n".join([ |
| 548 | "void vapi_set_%s_event_cb (" % |
| 549 | self.get_c_name(), |
| 550 | " struct vapi_ctx_s *ctx, ", |
| 551 | (" vapi_error_e (*callback)(struct vapi_ctx_s *ctx, " |
| 552 | "void *callback_ctx, %s *payload)," % |
| 553 | self.get_payload_struct_name()), |
| 554 | " void *callback_ctx)", |
| 555 | ]) |
| 556 | else: |
| 557 | return "\n".join([ |
| 558 | "void vapi_set_%s_event_cb (" % |
| 559 | self.get_c_name(), |
| 560 | " struct vapi_ctx_s *ctx, ", |
| 561 | " vapi_error_e (*callback)(struct vapi_ctx_s *ctx, " |
| 562 | "void *callback_ctx),", |
| 563 | " void *callback_ctx)", |
| 564 | ]) |
| 565 | |
| 566 | def get_event_cb_func_def(self): |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 567 | if not self.is_reply and not self.is_event: |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 568 | raise Exception( |
| 569 | "Cannot register event callback for non-reply function") |
| 570 | return "\n".join([ |
| 571 | "%s" % self.get_event_cb_func_decl(), |
| 572 | "{", |
| 573 | (" vapi_set_event_cb(ctx, %s, (vapi_event_cb)callback, " |
| 574 | "callback_ctx);" % |
| 575 | self.get_msg_id_name()), |
| 576 | "}"]) |
| 577 | |
| 578 | def get_c_metadata_struct_name(self): |
| 579 | return "__vapi_metadata_%s" % self.name |
| 580 | |
| 581 | def get_c_constructor(self): |
| 582 | has_context = False |
| 583 | if self.header is not None: |
| 584 | has_context = self.header.has_field('context') |
| 585 | return '\n'.join([ |
| 586 | 'static void __attribute__((constructor)) __vapi_constructor_%s()' |
| 587 | % self.name, |
| 588 | '{', |
| 589 | ' static const char name[] = "%s";' % self.name, |
| 590 | ' static const char name_with_crc[] = "%s_%s";' |
| 591 | % (self.name, self.crc[2:]), |
| 592 | ' static vapi_message_desc_t %s = {' % |
| 593 | self.get_c_metadata_struct_name(), |
| 594 | ' name,', |
| 595 | ' sizeof(name) - 1,', |
| 596 | ' name_with_crc,', |
| 597 | ' sizeof(name_with_crc) - 1,', |
| 598 | ' true,' if has_context else ' false,', |
| 599 | ' offsetof(%s, context),' % self.header.get_c_name() |
| 600 | if has_context else ' 0,', |
| 601 | (' offsetof(%s, payload),' % self.get_c_name()) |
Klement Sekera | dab732a | 2018-07-04 13:43:46 +0200 | [diff] [blame] | 602 | if self.has_payload() else ' VAPI_INVALID_MSG_ID,', |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 603 | ' sizeof(%s),' % self.get_c_name(), |
| 604 | ' (generic_swap_fn_t)%s,' % self.get_swap_to_be_func_name(), |
| 605 | ' (generic_swap_fn_t)%s,' % self.get_swap_to_host_func_name(), |
Klement Sekera | dab732a | 2018-07-04 13:43:46 +0200 | [diff] [blame] | 606 | ' VAPI_INVALID_MSG_ID,', |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 607 | ' };', |
| 608 | '', |
| 609 | ' %s = vapi_register_msg(&%s);' % |
| 610 | (self.get_msg_id_name(), self.get_c_metadata_struct_name()), |
| 611 | ' VAPI_DBG("Assigned msg id %%d to %s", %s);' % |
| 612 | (self.name, self.get_msg_id_name()), |
| 613 | '}', |
| 614 | ]) |
| 615 | |
| 616 | |
| 617 | vapi_send_with_control_ping = """ |
| 618 | static inline vapi_error_e |
| 619 | vapi_send_with_control_ping (vapi_ctx_t ctx, void *msg, u32 context) |
| 620 | { |
| 621 | vapi_msg_control_ping *ping = vapi_alloc_control_ping (ctx); |
| 622 | if (!ping) |
| 623 | { |
| 624 | return VAPI_ENOMEM; |
| 625 | } |
| 626 | ping->header.context = context; |
| 627 | vapi_msg_control_ping_hton (ping); |
| 628 | return vapi_send2 (ctx, msg, ping); |
| 629 | } |
| 630 | """ |
| 631 | |
| 632 | |
Klement Sekera | 1732e47 | 2018-08-28 17:23:18 +0200 | [diff] [blame] | 633 | def emit_definition(parser, json_file, emitted, o): |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 634 | if o in emitted: |
| 635 | return |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 636 | if o.name in ("msg_header1_t", "msg_header2_t"): |
| 637 | return |
| 638 | if hasattr(o, "depends"): |
| 639 | for x in o.depends: |
Klement Sekera | 1732e47 | 2018-08-28 17:23:18 +0200 | [diff] [blame] | 640 | emit_definition(parser, json_file, emitted, x) |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 641 | if hasattr(o, "reply"): |
Klement Sekera | 1732e47 | 2018-08-28 17:23:18 +0200 | [diff] [blame] | 642 | emit_definition(parser, json_file, emitted, o.reply) |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 643 | if hasattr(o, "get_c_def"): |
| 644 | if (o not in parser.enums_by_json[json_file] and |
| 645 | o not in parser.types_by_json[json_file] and |
| 646 | o not in parser.unions_by_json[json_file] and |
Ole Troan | 53fffa1 | 2018-11-13 12:36:56 +0100 | [diff] [blame] | 647 | o.name not in parser.messages_by_json[json_file] and |
| 648 | o not in parser.aliases_by_json[json_file]): |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 649 | return |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 650 | guard = "defined_%s" % o.get_c_name() |
| 651 | print("#ifndef %s" % guard) |
| 652 | print("#define %s" % guard) |
| 653 | print("%s" % o.get_c_def()) |
| 654 | print("") |
| 655 | function_attrs = "static inline " |
| 656 | if o.name in parser.messages_by_json[json_file]: |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 657 | if o.has_payload(): |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 658 | print("%s%s" % (function_attrs, |
| 659 | o.get_swap_payload_to_be_func_def())) |
| 660 | print("") |
| 661 | print("%s%s" % (function_attrs, |
| 662 | o.get_swap_payload_to_host_func_def())) |
| 663 | print("") |
| 664 | print("%s%s" % (function_attrs, o.get_swap_to_be_func_def())) |
| 665 | print("") |
| 666 | print("%s%s" % (function_attrs, o.get_swap_to_host_func_def())) |
| 667 | print("") |
| 668 | print("%s%s" % (function_attrs, o.get_calc_msg_size_func_def())) |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 669 | if not o.is_reply and not o.is_event: |
Klement Sekera | 34a962b | 2018-09-06 19:31:36 +0200 | [diff] [blame] | 670 | print("") |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 671 | print("%s%s" % (function_attrs, o.get_alloc_func_def())) |
| 672 | print("") |
| 673 | print("%s%s" % (function_attrs, o.get_op_func_def())) |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 674 | print("") |
Klement Sekera | 34a962b | 2018-09-06 19:31:36 +0200 | [diff] [blame] | 675 | print("%s" % o.get_c_constructor()) |
Klement Sekera | 1732e47 | 2018-08-28 17:23:18 +0200 | [diff] [blame] | 676 | if o.is_reply or o.is_event: |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 677 | print("") |
Klement Sekera | 34a962b | 2018-09-06 19:31:36 +0200 | [diff] [blame] | 678 | print("%s%s;" % (function_attrs, o.get_event_cb_func_def())) |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 679 | elif hasattr(o, "get_swap_to_be_func_def"): |
| 680 | print("%s%s" % (function_attrs, o.get_swap_to_be_func_def())) |
| 681 | print("") |
| 682 | print("%s%s" % (function_attrs, o.get_swap_to_host_func_def())) |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 683 | print("#endif") |
Klement Sekera | 34a962b | 2018-09-06 19:31:36 +0200 | [diff] [blame] | 684 | print("") |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 685 | emitted.append(o) |
| 686 | |
| 687 | |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 688 | def gen_json_unified_header(parser, logger, j, io, name): |
Damjan Marion | 4c64b6e | 2018-08-26 18:14:46 +0200 | [diff] [blame] | 689 | d, f = os.path.split(j) |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 690 | logger.info("Generating header `%s'" % name) |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 691 | orig_stdout = sys.stdout |
| 692 | sys.stdout = io |
| 693 | include_guard = "__included_%s" % ( |
Ruslan Babayev | 7f286f7 | 2019-10-31 01:37:50 -0700 | [diff] [blame] | 694 | j.replace(".", "_").replace("/", "_").replace("-", "_").replace("+", "_")) |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 695 | print("#ifndef %s" % include_guard) |
| 696 | print("#define %s" % include_guard) |
| 697 | print("") |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 698 | print("#include <stdlib.h>") |
| 699 | print("#include <stddef.h>") |
| 700 | print("#include <arpa/inet.h>") |
| 701 | print("#include <vapi/vapi_internal.h>") |
| 702 | print("#include <vapi/vapi.h>") |
| 703 | print("#include <vapi/vapi_dbg.h>") |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 704 | print("") |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 705 | print("#ifdef __cplusplus") |
| 706 | print("extern \"C\" {") |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 707 | print("#endif") |
Florin Coras | a1400ce | 2021-09-15 09:02:08 -0700 | [diff] [blame^] | 708 | if name == "vlib.api.vapi.h": |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 709 | print("") |
| 710 | print("static inline vapi_error_e vapi_send_with_control_ping " |
| 711 | "(vapi_ctx_t ctx, void * msg, u32 context);") |
| 712 | else: |
Florin Coras | a1400ce | 2021-09-15 09:02:08 -0700 | [diff] [blame^] | 713 | print("#include <vapi/vlib.api.vapi.h>") |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 714 | print("") |
| 715 | for m in parser.messages_by_json[j].values(): |
| 716 | print("extern vapi_msg_id_t %s;" % m.get_msg_id_name()) |
| 717 | print("") |
| 718 | print("#define DEFINE_VAPI_MSG_IDS_%s\\" % |
Damjan Marion | 4c64b6e | 2018-08-26 18:14:46 +0200 | [diff] [blame] | 719 | f.replace(".", "_").replace("/", "_").replace("-", "_").upper()) |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 720 | print("\\\n".join([ |
| 721 | " vapi_msg_id_t %s;" % m.get_msg_id_name() |
| 722 | for m in parser.messages_by_json[j].values() |
| 723 | ])) |
| 724 | print("") |
| 725 | print("") |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 726 | emitted = [] |
| 727 | for e in parser.enums_by_json[j]: |
Klement Sekera | 1732e47 | 2018-08-28 17:23:18 +0200 | [diff] [blame] | 728 | emit_definition(parser, j, emitted, e) |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 729 | for u in parser.unions_by_json[j]: |
Klement Sekera | 1732e47 | 2018-08-28 17:23:18 +0200 | [diff] [blame] | 730 | emit_definition(parser, j, emitted, u) |
Ole Troan | 52ca756 | 2018-03-06 17:45:32 +0100 | [diff] [blame] | 731 | for t in parser.types_by_json[j]: |
Klement Sekera | 1732e47 | 2018-08-28 17:23:18 +0200 | [diff] [blame] | 732 | emit_definition(parser, j, emitted, t) |
Ole Troan | 75761b9 | 2019-09-11 17:49:08 +0200 | [diff] [blame] | 733 | for a in parser.aliases_by_json[j]: |
| 734 | emit_definition(parser, j, emitted, a) |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 735 | for m in parser.messages_by_json[j].values(): |
Klement Sekera | 1732e47 | 2018-08-28 17:23:18 +0200 | [diff] [blame] | 736 | emit_definition(parser, j, emitted, m) |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 737 | |
| 738 | print("") |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 739 | |
Florin Coras | a1400ce | 2021-09-15 09:02:08 -0700 | [diff] [blame^] | 740 | if name == "vlib.api.vapi.h": |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 741 | print("%s" % vapi_send_with_control_ping) |
| 742 | print("") |
| 743 | |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 744 | print("#ifdef __cplusplus") |
| 745 | print("}") |
| 746 | print("#endif") |
| 747 | print("") |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 748 | print("#endif") |
| 749 | sys.stdout = orig_stdout |
| 750 | |
| 751 | |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 752 | def json_to_c_header_name(json_name): |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 753 | if json_name.endswith(".json"): |
| 754 | return "%s.vapi.h" % os.path.splitext(json_name)[0] |
| 755 | raise Exception("Unexpected json name `%s'!" % json_name) |
| 756 | |
| 757 | |
Damjan Marion | 4c64b6e | 2018-08-26 18:14:46 +0200 | [diff] [blame] | 758 | def gen_c_unified_headers(parser, logger, prefix, remove_path): |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 759 | if prefix == "" or prefix is None: |
| 760 | prefix = "" |
| 761 | else: |
| 762 | prefix = "%s/" % prefix |
| 763 | for j in parser.json_files: |
Damjan Marion | 4c64b6e | 2018-08-26 18:14:46 +0200 | [diff] [blame] | 764 | if remove_path: |
| 765 | d, f = os.path.split(j) |
| 766 | else: |
| 767 | f = j |
| 768 | with open('%s%s' % (prefix, json_to_c_header_name(f)), "w") as io: |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 769 | gen_json_unified_header( |
Damjan Marion | 4c64b6e | 2018-08-26 18:14:46 +0200 | [diff] [blame] | 770 | parser, logger, j, io, json_to_c_header_name(f)) |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 771 | |
| 772 | |
| 773 | if __name__ == '__main__': |
| 774 | try: |
| 775 | verbose = int(os.getenv("V", 0)) |
| 776 | except: |
| 777 | verbose = 0 |
| 778 | |
| 779 | if verbose >= 2: |
| 780 | log_level = 10 |
| 781 | elif verbose == 1: |
| 782 | log_level = 20 |
| 783 | else: |
| 784 | log_level = 40 |
| 785 | |
| 786 | logging.basicConfig(stream=sys.stdout, level=log_level) |
| 787 | logger = logging.getLogger("VAPI C GEN") |
| 788 | logger.setLevel(log_level) |
| 789 | |
Klement Sekera | dc15be2 | 2017-06-12 06:49:33 +0200 | [diff] [blame] | 790 | argparser = argparse.ArgumentParser(description="VPP C API generator") |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 791 | argparser.add_argument('files', metavar='api-file', action='append', |
| 792 | type=str, help='json api file' |
| 793 | '(may be specified multiple times)') |
| 794 | argparser.add_argument('--prefix', action='store', default=None, |
| 795 | help='path prefix') |
Damjan Marion | 4c64b6e | 2018-08-26 18:14:46 +0200 | [diff] [blame] | 796 | argparser.add_argument('--remove-path', action='store_true', |
| 797 | help='remove path from filename') |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 798 | args = argparser.parse_args() |
| 799 | |
| 800 | jsonparser = JsonParser(logger, args.files, |
| 801 | simple_type_class=CSimpleType, |
Klement Sekera | 2108c0c | 2018-08-24 11:43:20 +0200 | [diff] [blame] | 802 | enum_class=CEnum, |
| 803 | union_class=CUnion, |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 804 | struct_type_class=CStructType, |
| 805 | field_class=CField, |
Ole Troan | 53fffa1 | 2018-11-13 12:36:56 +0100 | [diff] [blame] | 806 | message_class=CMessage, |
| 807 | alias_class=CAlias) |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 808 | |
| 809 | # not using the model of having separate generated header and code files |
| 810 | # with generated symbols present in shared library (per discussion with |
| 811 | # Damjan), to avoid symbol version issues in .so |
| 812 | # gen_c_headers_and_code(jsonparser, logger, args.prefix) |
| 813 | |
Damjan Marion | 4c64b6e | 2018-08-26 18:14:46 +0200 | [diff] [blame] | 814 | gen_c_unified_headers(jsonparser, logger, args.prefix, args.remove_path) |
Klement Sekera | 8f2a4ea | 2017-05-04 06:15:18 +0200 | [diff] [blame] | 815 | |
| 816 | for e in jsonparser.exceptions: |
Damjan Marion | 4c64b6e | 2018-08-26 18:14:46 +0200 | [diff] [blame] | 817 | logger.warning(e) |