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b19f3a5e7f
Generate a table, let decodemsg sort it out. Do more up-front work in argparsing too. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
135 lines
3.6 KiB
Plaintext
135 lines
3.6 KiB
Plaintext
/* This file was generated by generate-wire.py */
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/* Do not modify this file! Modify the .csv file it was generated from. */
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#include <${header_filename}>
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#include <ccan/array_size/array_size.h>
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#include <ccan/mem/mem.h>
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#include <ccan/tal/str/str.h>
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#include <common/utils.h>
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#include <inttypes.h>
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#include <stdio.h>
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% for i in includes:
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${i}
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% endfor
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% if enum_sets:
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bool print${options.enum_name}_message(const u8 *msg)
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{
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switch ((enum ${options.enum_name})fromwire_peektype(msg)) {
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% for msg in enum_sets[0]['set']:
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case ${msg.enum_name()}:
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printf("${msg.enum_name()}:\n");
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return printwire_${msg.name}("${msg.name}", msg);
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% endfor
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}
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printf("UNKNOWN: %s\\n", tal_hex(msg, msg));
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return false;
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}
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% endif
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## 'component' for 'truncate check
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<%def name="truncate_check()">
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if (!*cursor) {
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printf("**TRUNCATED**\n");
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return false;
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}
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</%def> \
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## definition for printing field sets
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<%def name="print_fieldset(fields)">
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% for f in fields:
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% if f.is_extension():
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if (*plen == 0)
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return true;
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printf("(${','.join(f.extension_names)}):");
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% endif
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% if f.len_field_of:
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${f.type_obj.type_name()} ${f.name} = fromwire_${f.type_obj.name}(cursor, plen);${truncate_check()} <% continue %> \
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% endif
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printf("${f.name}=");
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% if f.type_obj.is_tlv():
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printwire_${f.type_obj.tlv.name}(tal_fmt(NULL, "%s.${f.name}", fieldname), cursor, plen);
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% elif f.is_array() or f.is_varlen():
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% if f.type_obj.has_array_helper():
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printwire_${f.type_obj.name}_array(tal_fmt(NULL, "%s.${f.name}", fieldname), cursor, plen, ${f.size('*plen')});
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% else:
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printf("[");
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% if f.is_implicit_len():
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while (*plen) {
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% else:
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for (size_t i = 0; i < ${f.size()}; i++) {
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% endif
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if (!printwire_${f.type_obj.name}(tal_fmt(NULL, "%s.${f.name}", fieldname), cursor, plen))
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return false;
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}
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printf("]");
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% endif
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% else:
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if (!printwire_${f.type_obj.name}(tal_fmt(NULL, "%s.${f.name}", fieldname), cursor, plen))
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return false;
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% endif
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% endfor
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</%def> \
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## Definitions for 'subtypes'
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% for subtype in subtypes:
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<%
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static = '' if options.expose_subtypes else 'static '
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%>\
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${static}bool printwire_${subtype.name}(const char *fieldname, const u8 **cursor, size_t *plen)
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{
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${print_fieldset(subtype.fields.values())}
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return true;
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}
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% endfor
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% for tlv in tlvs.values():
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% for msg in tlv.messages.values():
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static bool printwire_${msg.struct_name()}(const char *fieldname, const u8 **cursor, size_t *plen)
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{
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printf("(msg_name=%s)\n", "${msg.name}");
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${print_fieldset(msg.fields.values())}
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return true;
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}
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% endfor
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static const struct tlv_print_record_type print_tlvs_${tlv.name}[] = {
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% for msg in tlv.messages.values():
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{ ${msg.number}, printwire_${msg.struct_name()} },
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% endfor
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};
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% endfor
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% for msg in messages:
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bool printwire_${msg.name}(const char *fieldname, const u8 *msg)
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{
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size_t msglen = tal_count(msg);
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const u8 **cursor = &msg;
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size_t *plen = &msglen;
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if (fromwire_u16(cursor, plen) != ${msg.enum_name()}) {
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printf("WRONG TYPE?!\n");
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return false;
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}
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${print_fieldset(msg.fields.values())}
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## Length check
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if (*plen != 0)
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printf("EXTRA: %s\n", tal_hexstr(NULL, *cursor, *plen));
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return *cursor != NULL;
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}
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% endfor
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% for tlv in tlvs.values():
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bool printwire_${tlv.name}(const char *fieldname, const u8 **cursor, size_t *plen)
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{
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return printwire_tlvs(fieldname, cursor, plen, print_tlvs_${tlv.name}, ARRAY_SIZE(print_tlvs_${tlv.name}));
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}
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% endfor
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const struct tlv_print${options.enum_name}_byname tlvs_print${options.enum_name}_byname[] = {
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% for tlv in tlvs.values():
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{ "${tlv.name}", printwire_${tlv.name} },
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% endfor
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{ NULL, NULL }
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};
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