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#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"
#include <stdint.h>
#include "define.h"
#include "type.h"
#include "proto.h"
int unpack_type_nocroak(pTHX_ unsigned char *input, STRLEN len, STRLEN *pos, struct cc_type *output)
{
if (UNLIKELY(unpack_short_nocroak(aTHX_ input, len, pos, &output->type_id) != 0))
return -1;
if (output->type_id > 0 && output->type_id < 0x20) {
/* Primitives. No further decoding needed */
} else if (output->type_id == CC_TYPE_CUSTOM) {
char *custom_type;
STRLEN type_length;
if (UNLIKELY(unpack_string_nocroak(aTHX_ input, len, pos, &custom_type, &type_length) != 0)) {
return -3;
}
const char *marshal_prefix = "org.apache.cassandra.db.marshal.";
if (type_length > strlen(marshal_prefix) && !memcmp(marshal_prefix, custom_type, strlen(marshal_prefix))) {
char *marshal_type;
STRLEN marshal_type_length;
marshal_type = custom_type + strlen(marshal_prefix);
marshal_type_length = type_length - strlen(marshal_prefix);
switch(marshal_type_length) {
case 8:
if (!memcmp(marshal_type, "UTF8Type", 8)) { output->type_id = CC_TYPE_VARCHAR; break; }
if (!memcmp(marshal_type, "UUIDType", 8)) { output->type_id = CC_TYPE_UUID; break; }
if (!memcmp(marshal_type, "TimeType", 8)) { output->type_id = CC_TYPE_TIME; break; }
if (!memcmp(marshal_type, "ByteType", 8)) { output->type_id = CC_TYPE_TINYINT; break; }
if (!memcmp(marshal_type, "DateType", 8)) { output->type_id = CC_TYPE_DATE; break; }
if (!memcmp(marshal_type, "LongType", 8)) { output->type_id = CC_TYPE_BIGINT; break; }
break;
case 9:
if (!memcmp(marshal_type, "AsciiType", 9)) { output->type_id = CC_TYPE_ASCII; break; }
if (!memcmp(marshal_type, "Int32Type", 9)) { output->type_id = CC_TYPE_INT; break; }
if (!memcmp(marshal_type, "BytesType", 9)) { output->type_id = CC_TYPE_BLOB; break; }
if (!memcmp(marshal_type, "FloatType", 9)) { output->type_id = CC_TYPE_FLOAT; break; }
if (!memcmp(marshal_type, "ShortType", 9)) { output->type_id = CC_TYPE_SMALLINT; break; }
break;
case 10:
if (!memcmp(marshal_type, "DoubleType", 10)) { output->type_id = CC_TYPE_DOUBLE; break; }
break;
case 11:
if (!memcmp(marshal_type, "BooleanType", 11)) { output->type_id = CC_TYPE_BOOLEAN; break; }
if (!memcmp(marshal_type, "DecimalType", 11)) { output->type_id = CC_TYPE_DECIMAL; break; }
if (!memcmp(marshal_type, "IntegerType", 11)) { output->type_id = CC_TYPE_VARINT; break; }
break;
case 12:
if (!memcmp(marshal_type, "TimeUUIDType", 12)) { output->type_id = CC_TYPE_TIMEUUID; break; }
break;
case 13:
if (!memcmp(marshal_type, "TimestampType", 13)) { output->type_id = CC_TYPE_TIMESTAMP; break; }
break;
case 14:
if (!memcmp(marshal_type, "SimpleDateType", 14)) { output->type_id = CC_TYPE_DATE; break; }
break;
case 15:
if (!memcmp(marshal_type, "InetAddressType", 15)) { output->type_id = CC_TYPE_INET; break; }
break;
case 17:
if (!memcmp(marshal_type, "CounterColumnType", 17)) { output->type_id = CC_TYPE_COUNTER; break; }
break;
}
}
/* If we made it this far, it's not a type we understand. So just copy the name and we're done. */
Newxz(output->custom_name, type_length+1, char);
memcpy(output->custom_name, custom_type, type_length);
} else if (output->type_id == CC_TYPE_LIST) {
struct cc_type *inner;
Newxz(inner, 1, struct cc_type);
output->inner_type = inner;
if (UNLIKELY(unpack_type_nocroak(aTHX_ input, len, pos, inner) != 0)) {
return -3;
}
} else if (output->type_id == CC_TYPE_MAP) {
Newxz(output->inner_type, 2, struct cc_type);
if (UNLIKELY(unpack_type_nocroak(aTHX_ input, len, pos, &output->inner_type[0]) != 0)) {
return -3;
}
if (UNLIKELY(unpack_type_nocroak(aTHX_ input, len, pos, &output->inner_type[1]) != 0)) {
return -3;
}
} else if (output->type_id == CC_TYPE_SET) {
struct cc_type *inner;
Newxz(inner, 1, struct cc_type);
output->inner_type = inner;
if (UNLIKELY(unpack_type_nocroak(aTHX_ input, len, pos, inner) != 0)) {
return -3;
}
} else if (output->type_id == CC_TYPE_UDT) {
char *str;
STRLEN str_len;
uint16_t field_count;
int i;
Newxz(output->udt, 1, struct cc_udt);
if (UNLIKELY(unpack_string_nocroak(aTHX_ input, len, pos, &str, &str_len) != 0)) {
return -3;
}
output->udt->keyspace = newSVpvn_utf8(str, str_len, 1);
if (UNLIKELY(unpack_string_nocroak(aTHX_ input, len, pos, &str, &str_len) != 0)) {
return -3;
}
output->udt->udt_name = newSVpvn_utf8(str, str_len, 1);
if (UNLIKELY(unpack_short_nocroak(aTHX_ input, len, pos, &field_count) != 0)) {
return -3;
}
output->udt->field_count = field_count;
if (UNLIKELY(field_count > len || field_count == 0)) {
return -3;
}
Newxz(output->udt->fields, field_count, struct cc_udt_field);
for (i = 0; i < field_count; i++) {
struct cc_udt_field *field = &output->udt->fields[i];
if (UNLIKELY(unpack_string_nocroak(aTHX_ input, len, pos, &str, &str_len) != 0)) {
return -3;
}
field->name = newSVpvn_utf8(str, str_len, 1);
PERL_HASH(field->name_hash, str, str_len);
if (UNLIKELY(unpack_type_nocroak(aTHX_ input, len, pos, &field->type) != 0)) {
return -3;
}
}
} else if (output->type_id == CC_TYPE_TUPLE) {
uint16_t field_count;
int i;
Newxz(output->tuple, 1, struct cc_tuple);
if (UNLIKELY(unpack_short_nocroak(aTHX_ input, len, pos, &field_count) != 0)) {
return -3;
}
output->tuple->field_count = field_count;
if (UNLIKELY(field_count > len || field_count == 0)) {
return -3;
}
Newxz(output->tuple->fields, field_count, struct cc_type);
for (i = 0; i < field_count; i++) {
struct cc_type *field;
field = &output->tuple->fields[i];
if (UNLIKELY(unpack_type_nocroak(aTHX_ input, len, pos, field) != 0)) {
return -3;
}
}
} else {
return -2;
}
return 0;
}
void unpack_type(pTHX_ unsigned char *input, STRLEN len, STRLEN *pos, struct cc_type *output)
{
if (UNLIKELY(unpack_type_nocroak(aTHX_ input, len, pos, output) != 0)) {
cc_type_destroy(aTHX_ output);
croak("unpack_type: invalid input. Data corrupted?");
}
}
void cc_type_destroy(pTHX_ struct cc_type *type)
{
if (type->type_id == CC_TYPE_LIST || type->type_id == CC_TYPE_SET) {
if (type->inner_type != NULL) {
cc_type_destroy(aTHX_ type->inner_type);
Safefree(type->inner_type);
type->inner_type = NULL;
}
} else if (type->type_id == CC_TYPE_MAP) {
if (type->inner_type != NULL) {
cc_type_destroy(aTHX_ &type->inner_type[0]);
cc_type_destroy(aTHX_ &type->inner_type[1]);
Safefree(type->inner_type);
type->inner_type = NULL;
}
} else if (type->type_id == CC_TYPE_CUSTOM) {
if (type->custom_name != NULL) {
Safefree(type->custom_name);
type->custom_name = NULL;
}
} else if (type->type_id == CC_TYPE_UDT) {
if (type->udt != NULL) {
SvREFCNT_dec(type->udt->keyspace);
SvREFCNT_dec(type->udt->udt_name);
if (type->udt->fields != NULL) {
int i;
for (i = 0; i < type->udt->field_count; i++) {
SvREFCNT_dec(type->udt->fields[i].name);
cc_type_destroy(aTHX_ &type->udt->fields[i].type);
}
Safefree(type->udt->fields);
}
Safefree(type->udt);
type->udt = NULL;
}
} else if (type->type_id == CC_TYPE_TUPLE) {
if (type->tuple != NULL) {
if (type->tuple->fields != NULL) {
int i;
for (i = 0; i < type->tuple->field_count; i++) {
cc_type_destroy(aTHX_ &type->tuple->fields[i]);
}
Safefree(type->tuple->fields);
}
Safefree(type->tuple);
type->tuple = NULL;
}
}
}
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