403 lines
12 KiB
Plaintext
403 lines
12 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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/* Original template can be found at tools/gen/impl_template */
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#include <${header_filename}>
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#include <assert.h>
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#include <ccan/array_size/array_size.h>
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#include <ccan/mem/mem.h>
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#include <ccan/tal/str/str.h>
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#include <common/utils.h>
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#include <stdio.h>
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% for i in includes:
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${i}
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% endfor
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#ifndef SUPERVERBOSE
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#define SUPERVERBOSE(...)
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#endif
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% for comment in top_comments:
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/*${comment} */
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% endfor
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% for enum_set in enum_sets:
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const char *${enum_set['name']}_name(int e)
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{
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static char invalidbuf[sizeof("INVALID ") + STR_MAX_CHARS(e)];
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switch ((enum ${enum_set['name']})e) {
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% for msg in enum_set['set']:
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case ${msg.enum_name()}: return "${msg.enum_name()}";
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% endfor
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}
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snprintf(invalidbuf, sizeof(invalidbuf), "INVALID %i", e);
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return invalidbuf;
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}
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bool ${enum_set['name']}_is_defined(u16 type)
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{
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switch ((enum ${enum_set['name']})type) {
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% for msg in enum_set['set']:
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case ${msg.enum_name()}:;
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% endfor
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return true;
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}
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return false;
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}
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% endfor
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## START PARTIALS
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## Subtype and TLV-msg towire_
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<%def name="towire_subtype_field(fieldname, f, type_obj, is_single_ptr, ptr)">\
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% if f.is_array() or f.is_varlen():
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% if type_obj.has_array_helper():
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towire_${type_obj.name}_array(${ptr}, ${fieldname}, ${f.size('tal_count(' + fieldname + ')')});
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% else:
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for (size_t i = 0; i < ${f.size('tal_count(' + fieldname + ')')}; i++)
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% if type_obj.is_assignable() or type_obj.is_varsize():
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towire_${type_obj.name}(${ptr}, ${fieldname}[i]);
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% else:
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towire_${type_obj.name}(${ptr}, ${fieldname} + i);
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% endif
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% endif
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% elif f.len_field_of:
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towire_${type_obj.name}(${ptr}, ${f.name});
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% elif is_single_ptr:
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towire_${type_obj.name}(${ptr}, ${'*' if type_obj.is_assignable() else ''}${fieldname});
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% else:
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towire_${type_obj.name}(${ptr}, ${'' if type_obj.is_assignable() or type_obj.is_varsize() else '&'}${fieldname});
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% endif
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</%def>
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## Subtype and TLV-msg fromwire
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<%def name="fromwire_subtype_field(fieldname, f, ctx, is_ptr)">\
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<%
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type_ = f.type_obj.name
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typename = f.type_obj.type_name()
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if f.type_obj.is_varsize():
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typename += ' *'
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%>\
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% if f.is_array() or f.is_varlen():
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% if f.type_obj.has_array_helper():
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## We assume array helpers only deal with things literally transcribed!!
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% if f.is_varlen():
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${fieldname} = tal_arr(${ctx}, ${typename}, ${f.size('*plen')});
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% endif
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fromwire_${type_}_array(cursor, plen, ${fieldname}, ${f.size('*plen')});
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% else:
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% if f.is_varlen():
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${fieldname} = ${f.size('*plen')} ? tal_arr(${ctx}, ${typename}, 0) : NULL;
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% endif
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% if f.is_implicit_len():
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while (*plen != 0) {
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% else:
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for (size_t i = 0; i < ${f.size()}; i++) {
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% endif
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${typename} tmp;
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% if f.type_obj.is_assignable():
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tmp = fromwire_${type_}(cursor, plen);
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% elif f.is_varlen() and f.type_obj.is_varsize():
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tmp = fromwire_${type_}(${ctx}, cursor, plen);
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% else:
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fromwire_${type_}(cursor, plen, &tmp);
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% endif
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tal_arr_expand(&${fieldname}, tmp);
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}
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% endif
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% else:
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% if is_ptr:
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${fieldname} = tal(${ctx}, ${typename});
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<% fieldname = '*' + fieldname %>
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% endif
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% if f.type_obj.is_assignable():
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${ f.name if f.len_field_of else fieldname} = fromwire_${type_}(cursor, plen);
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% elif f.type_obj.is_varsize():
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${fieldname} = fromwire_${type_}(${ctx}, cursor, plen);
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% else:
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fromwire_${type_}(cursor, plen, &${fieldname});
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% endif
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%endif
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</%def>
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## END PARTIALS
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## FIXME: extract out partials for the method declarations
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## (shared between here and header_template)
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% for subtype in subtypes: ## START Subtypes
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/* SUBTYPE: ${subtype.name.upper()} */
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% for c in subtype.type_comments:
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/*${c} */
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% endfor
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<%
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static = '' if options.expose_subtypes else 'static '
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%>\
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${static}void towire_${subtype.name}(u8 **p, const ${subtype.type_name()} *${subtype.name})
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{
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% for f in subtype.get_len_fields():
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${f.type_obj.type_name()} ${f.name} = tal_count(${subtype.name}->${f.len_field_of});
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% endfor
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% for f in subtype.fields.values():
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% for c in f.field_comments:
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/*${c} */
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% endfor
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<%
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fieldname = '{}->{}'.format(subtype.name,f.name)
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%>\
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${towire_subtype_field(fieldname, f, f.type_obj, False, 'p')}\
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% endfor
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}
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% if subtype.is_varsize():
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${static}${subtype.type_name()} *
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fromwire_${subtype.name}(const tal_t *ctx, const u8 **cursor, size_t *plen)
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% else:
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${static}bool fromwire_${subtype.name}(${'const tal_t *ctx, ' if subtype.needs_context() else ''}const u8 **cursor, size_t *plen, ${subtype.type_name()} *${subtype.name})
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% endif
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{
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% if subtype.is_varsize():
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${subtype.type_name()} *${subtype.name} = tal(ctx, ${subtype.type_name()});
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% endif
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## Length field declarations
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% for f in subtype.get_len_fields():
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${f.type_obj.type_name()} ${f.name};
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% endfor
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% for f in subtype.fields.values():
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% for c in f.field_comments:
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/*${c} */
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% endfor
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<%
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fieldname = '{}->{}'.format(subtype.name,f.name)
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ctx = subtype.name
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%> \
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${fromwire_subtype_field(fieldname, f, ctx, False)}\
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% endfor
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% if subtype.is_varsize():
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return ${subtype.name};
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% else:
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return *cursor != NULL;
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% endif
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}
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% endfor ## END Subtypes
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<%def name="fromwire_phrase(f, type_, varsized)" >\
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%if f.type_obj.is_assignable():
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*${f.name} = fromwire_${type_}(&cursor, &plen);
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% elif varsized:
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*${f.name} = fromwire_${type_}(ctx, &cursor, &plen);
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% else:
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fromwire_${type_}(${'ctx, ' if f.needs_context() else ''}&cursor, &plen, ${'*' if f.is_optional else ''}${f.name});
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% endif
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</%def>
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% for tlv in tlvs.values(): ## START TLV's
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${tlv.type_name()} *${tlv.struct_name()}_new(const tal_t *ctx)
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{
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/* Initialize everything to NULL. (Quiet, C pedants!) */
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${tlv.type_name()} *inst = talz(ctx, struct ${tlv.struct_name()});
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/* Initialized the fields to an empty array. */
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inst->fields = tal_arr(inst, struct tlv_field, 0);
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return inst;
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}
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% for msg in tlv.messages.values():
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/* ${tlv.name.upper()} MSG: ${msg.name} */
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static u8 *towire_${msg.struct_name()}(const tal_t *ctx, const void *vrecord)
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{
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const struct ${tlv.struct_name()} *r = vrecord;
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u8 *ptr;
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if (!r->${msg.name})
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return NULL;
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% for f in msg.get_len_fields():
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${f.type_obj.type_name()} ${f.name} = tal_count(r->${msg.name}->${f.len_field_of});
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% endfor
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ptr = tal_arr(ctx, u8, 0);
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% for f in msg.fields.values():
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<%
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if msg.singleton():
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fieldname = 'r->{}'.format(msg.name)
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type_obj = msg.singleton().type_obj
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else:
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fieldname = 'r->{}->{}'.format(msg.name, f.name)
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type_obj = f.type_obj
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%>
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${towire_subtype_field(fieldname, f, type_obj, msg.singleton(), '&ptr')}\
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% endfor
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return ptr;
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}
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static void fromwire_${msg.struct_name()}(const u8 **cursor, size_t *plen, void *vrecord)
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{
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struct ${tlv.struct_name()} *r = vrecord;
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## Length field declarations
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% for f in msg.get_len_fields():
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${f.type_obj.type_name()} ${f.name};
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% endfor
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% if not msg.singleton():
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r->${msg.name} = tal(r, struct ${msg.struct_name()});
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% endif
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% for f in msg.fields.values():
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<%
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if msg.singleton():
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fieldname = 'r->{}'.format(msg.name)
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ctx = 'r'
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else:
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fieldname = 'r->{}->{}'.format(msg.name, f.name)
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ctx = 'r->{}'.format(msg.name)
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%>\
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${fromwire_subtype_field(fieldname, f, ctx, msg.singleton() and not f.type_obj.is_varsize())}\
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% endfor
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}
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% endfor
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<% static = '' if tlv.name in options.expose_tlv_type else 'static '
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%>\
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${static}const struct tlv_record_type tlvs_${tlv.name}[] = {
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% for msg in tlv.ordered_msgs():
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{ ${msg.number}, towire_${msg.struct_name()}, fromwire_${msg.struct_name()} },
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% endfor
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};
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void towire_${tlv.name}(u8 **pptr, const struct ${tlv.struct_name()} *record)
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{
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towire_tlv(pptr, tlvs_${tlv.name}, ${len(tlv.messages)}, record);
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}
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struct ${tlv.name} *fromwire_${tlv.name}(const tal_t *ctx, const u8 **cursor, size_t *max)
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{
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struct ${tlv.name} *record = ${tlv.name}_new(ctx);
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if (!fromwire_tlv(cursor, max, tlvs_${tlv.name}, ${len(tlv.messages)}, record, &record->fields, NULL, NULL, NULL))
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return tal_free(record);
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return record;
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}
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% endfor ## END TLV's
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% for msg in messages: ## START Wire Messages
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% if msg.if_token:
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#if ${msg.if_token}
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% endif
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/* WIRE: ${msg.name.upper()} */
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% for c in msg.msg_comments:
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/*${c} */
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% endfor
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u8 *towire_${msg.name}(const tal_t *ctx${''.join([f.arg_desc_to() for f in msg.fields.values()])})
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{
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## FIXME: we're ignoring TLV's rn
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% for f in msg.get_len_fields():
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${f.type_obj.type_name()} ${f.name} = tal_count(${f.len_field_of});
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% endfor
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u8 *p = tal_arr(ctx, u8, 0);
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towire_u16(&p, ${msg.enum_name()});
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% for f in msg.fields.values():
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% for c in f.field_comments:
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/*${c} */
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% endfor
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% if f.is_array() or f.is_varlen():
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% if f.type_obj.has_array_helper():
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towire_${f.type_obj.name}_array(&p, ${f.name}, ${f.size('tal_count(' + f.name + ')')});
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% else:
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for (size_t i = 0; i < ${f.size('tal_count(' + f.name + ')')}; i++)
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% if f.type_obj.is_assignable() or f.type_obj.is_varsize():
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towire_${f.type_obj.name}(&p, ${f.name}[i]);
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% else:
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towire_${f.type_obj.name}(&p, ${f.name} + i);
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% endif
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% endif
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% elif f.type_obj.is_tlv():
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towire_${f.type_obj.tlv.name}(&p, ${f.name});
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% elif f.is_optional: ## is optional?
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if (!${f.name})
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towire_bool(&p, false);
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else {
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towire_bool(&p, true);
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towire_${f.type_obj.name}(&p, ${'*' if f.type_obj.is_assignable() else ''}${f.name});
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}
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% else: ## all other cases
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towire_${f.type_obj.name}(&p, ${f.name});
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% endif
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% endfor
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return memcheck(p, tal_count(p));
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}
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bool fromwire_${msg.name}(${'const tal_t *ctx, ' if msg.needs_context() else ''}const void *p${''.join([f.arg_desc_from() for f in msg.fields.values()])})
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{
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% if msg.get_len_fields():
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% for f in msg.get_len_fields():
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${f.type_obj.type_name()} ${f.name};
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% endfor
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% endif
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const u8 *cursor = p;
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size_t plen = tal_count(p);
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if (fromwire_u16(&cursor, &plen) != ${msg.enum_name()})
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return false;
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% for f in msg.fields.values():
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<%
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typename = f.type_obj.type_name()
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if f.type_obj.is_varsize():
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typename = typename + ' *'
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type_ = f.type_obj.name
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varsized = f.type_obj.is_varsize() or f.type_obj.is_tlv()
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%> \
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% for c in f.field_comments:
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/*${c} */
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% endfor
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% if f.is_varlen():
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// 2nd case ${f.name}
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*${f.name} = ${f.size('plen')} ? tal_arr(ctx, ${typename}, ${f.size('plen')}) : NULL;
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% endif
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% if f.len_field_of:
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${f.name} = fromwire_${type_}(&cursor, &plen);
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% elif f.type_obj.is_tlv():
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*${f.name} = fromwire_${f.type_obj.tlv.name}(ctx, &cursor, &plen);
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if (!*${f.name})
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return false;
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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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fromwire_${type_}_array(&cursor, &plen, ${'*' if f.is_varlen() else ''}${f.name}, ${f.size('plen')});
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% else:
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% if f.is_implicit_len():
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for (size_t i = 0; plen != 0; i++)
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% else:
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for (size_t i = 0; i < ${f.size()}; i++)
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% endif
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% if not varsized and not f.type_obj.is_assignable():
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% if f.is_varlen():
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fromwire_${type_}(&cursor, &plen, *${f.name} + i);
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% else:
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fromwire_${type_}(&cursor, &plen, &(${f.name}[i]));
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% endif
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% else:
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(${'' if f.type_obj.is_assignable() and f.is_array() else '*'}${f.name})[i] = fromwire_${type_}(${'*'+f.name+', ' if varsized else ''}&cursor, &plen);
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% endif
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% endif
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% else:
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% if not f.is_optional:
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${fromwire_phrase(f, type_, varsized)}\
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% else: ## Start optional
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if (!fromwire_bool(&cursor, &plen))
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*${f.name} = NULL;
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else {
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% if not varsized:
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*${f.name} = tal(ctx, ${typename});
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% endif
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${'*' if f.type_obj.is_assignable() else ''}${fromwire_phrase(f, type_, varsized)}\
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}
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% endif ## End optional
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% endif
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% endfor
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return cursor != NULL;
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}
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% if msg.if_token:
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#endif /* ${msg.if_token} */
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% endif
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% endfor ## END Wire Messages
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