Beispiel #1
0
static PyObject *
map_to_python(ConvertInfo *info, avro_value_t *value)
{
    size_t  element_count;
    PyObject *result = PyDict_New();
    size_t  i;

    avro_value_get_size(value, &element_count);

    for (i = 0; i < element_count; i++) {
        const char  *key;
        avro_value_t  element_value;
        PyObject *pykey;
        PyObject *pyelement_value;

        avro_value_get_by_index(value, i, &element_value, &key);

        pykey = (PyObject *)PyString_FromString(key);
        pyelement_value = avro_to_python(info, &element_value);

        /* increfs key and value */
        PyDict_SetItem(result, pykey, pyelement_value);

        Py_DECREF(pykey);
        Py_DECREF(pyelement_value);
    }

    return result;
}
Beispiel #2
0
static PyObject *
array_to_python(ConvertInfo *info, avro_value_t *value)
{
    size_t  element_count;
    PyObject *result;
    size_t  i;

    avro_value_get_size(value, &element_count);

    result = PyList_New(element_count);

    for (i = 0; i < element_count; i++) {
        avro_value_t  element_value;
        PyObject *pyelement_value;

        avro_value_get_by_index(value, i, &element_value, NULL);

        pyelement_value = avro_to_python(info, &element_value);

        /* steals a ref to pyelement_value */
        PyList_SET_ITEM(result, i, pyelement_value);
    }

    return result;
}
Beispiel #3
0
static PyObject *
record_to_python_object(ConvertInfo *info, avro_value_t *value)
{
    size_t field_count;
    size_t i;

    avro_schema_t schema = avro_value_get_schema(value);
    PyObject *type = get_python_obj_type(info->types, schema);

    AvroRecord *obj = (AvroRecord *)PyObject_CallFunctionObjArgs(type, NULL);

    Py_DECREF(type);

    avro_value_get_size(value, &field_count);

    for (i = 0; i < field_count; i++) {
        avro_value_t field_value;
        PyObject *pyelement_value;

        avro_value_get_by_index(value, i, &field_value, NULL);

        pyelement_value = avro_to_python(info, &field_value);

        obj->fields[i] = pyelement_value;
    }

    return (PyObject *)obj;
}
extern int parse_heartbeat_request(avro_slice_t *slice)
{
	char filename[FILE_NAME_LEN];
	avro_schema_t schema;
	avro_value_iface_t *iface;
	avro_value_t record;
	size_t index;
	avro_reader_t reader;
	size_t size = 0;

	sprintf(filename, "%s/%s", SCHEMA_PATH, "HeartBeatRequestRecordAvro.avsc");
	init_schema(filename, &schema);

	iface = avro_generic_class_from_schema(schema);
	avro_generic_value_new(iface, &record);

	reader = avro_reader_memory(slice->buffer, slice->len);
	if (avro_value_read(reader, &record)) {
		fprintf(stderr, "Unable to read record from memory buffer\n");
		fprintf(stderr, "Error: %s\n", avro_strerror());
		exit(1);
	}

	avro_value_get_size(&record, &size);

	avro_value_iface_decref(iface);
	avro_schema_decref(schema);

//	printf("slice->len = %d\n", slice->len);
//	printf("size = %ld\n", size);
//
//	if (size > 0) {
//		return 0;
//	} else {
//		return -1;
//	}
	if (size == 0) {
		return 0;
	} else {
		return -1;
	}
}
int process_frame(avro_value_t *frame_val, frame_reader_t reader, uint64_t wal_pos) {
    int err = 0, msg_type;
    size_t num_messages;
    avro_value_t msg_val, union_val, record_val;

    check(err, avro_value_get_by_index(frame_val, 0, &msg_val, NULL));
    check(err, avro_value_get_size(&msg_val, &num_messages));

    for (int i = 0; i < num_messages; i++) {
        check(err, avro_value_get_by_index(&msg_val, i, &union_val, NULL));
        check(err, avro_value_get_discriminant(&union_val, &msg_type));
        check(err, avro_value_get_current_branch(&union_val, &record_val));

        switch (msg_type) {
        case PROTOCOL_MSG_BEGIN_TXN:
            check(err, process_frame_begin_txn(&record_val, reader, wal_pos));
            break;
        case PROTOCOL_MSG_COMMIT_TXN:
            check(err, process_frame_commit_txn(&record_val, reader, wal_pos));
            break;
        case PROTOCOL_MSG_TABLE_SCHEMA:
            check(err, process_frame_table_schema(&record_val, reader, wal_pos));
            break;
        case PROTOCOL_MSG_INSERT:
            check(err, process_frame_insert(&record_val, reader, wal_pos));
            break;
        case PROTOCOL_MSG_UPDATE:
            check(err, process_frame_update(&record_val, reader, wal_pos));
            break;
        case PROTOCOL_MSG_DELETE:
            check(err, process_frame_delete(&record_val, reader, wal_pos));
            break;
        default:
            avro_set_error("Unknown message type %d", msg_type);
            return EINVAL;
        }
    }
    return err;
}
Beispiel #6
0
int
avro_value_equal_fast(avro_value_t *val1, avro_value_t *val2)
{
	avro_type_t  type1 = avro_value_get_type(val1);
	avro_type_t  type2 = avro_value_get_type(val2);
	if (type1 != type2) {
		return 0;
	}

	switch (type1) {
		case AVRO_BOOLEAN:
		{
			int  v1;
			int  v2;
			check_return(0, avro_value_get_boolean(val1, &v1));
			check_return(0, avro_value_get_boolean(val2, &v2));
			return (v1 == v2);
		}

		case AVRO_BYTES:
		{
			const void  *buf1;
			const void  *buf2;
			size_t  size1;
			size_t  size2;
			check_return(0, avro_value_get_bytes(val1, &buf1, &size1));
			check_return(0, avro_value_get_bytes(val2, &buf2, &size2));
			if (size1 != size2) {
				return 0;
			}
			return (memcmp(buf1, buf2, size1) == 0);
		}

		case AVRO_DOUBLE:
		{
			double  v1;
			double  v2;
			check_return(0, avro_value_get_double(val1, &v1));
			check_return(0, avro_value_get_double(val2, &v2));
			return (v1 == v2);
		}

		case AVRO_FLOAT:
		{
			float  v1;
			float  v2;
			check_return(0, avro_value_get_float(val1, &v1));
			check_return(0, avro_value_get_float(val2, &v2));
			return (v1 == v2);
		}

		case AVRO_INT32:
		{
			int32_t  v1;
			int32_t  v2;
			check_return(0, avro_value_get_int(val1, &v1));
			check_return(0, avro_value_get_int(val2, &v2));
			return (v1 == v2);
		}

		case AVRO_INT64:
		{
			int64_t  v1;
			int64_t  v2;
			check_return(0, avro_value_get_long(val1, &v1));
			check_return(0, avro_value_get_long(val2, &v2));
			return (v1 == v2);
		}

		case AVRO_NULL:
		{
			check_return(0, avro_value_get_null(val1));
			check_return(0, avro_value_get_null(val2));
			return 1;
		}

		case AVRO_STRING:
		{
			const char  *buf1;
			const char  *buf2;
			size_t  size1;
			size_t  size2;
			check_return(0, avro_value_get_string(val1, &buf1, &size1));
			check_return(0, avro_value_get_string(val2, &buf2, &size2));
			if (size1 != size2) {
				return 0;
			}
			return (memcmp(buf1, buf2, size1) == 0);
		}

		case AVRO_ARRAY:
		{
			size_t  count1;
			size_t  count2;
			check_return(0, avro_value_get_size(val1, &count1));
			check_return(0, avro_value_get_size(val2, &count2));
			if (count1 != count2) {
				return 0;
			}

			size_t  i;
			for (i = 0; i < count1; i++) {
				avro_value_t  child1;
				avro_value_t  child2;
				check_return(0, avro_value_get_by_index
					     (val1, i, &child1, NULL));
				check_return(0, avro_value_get_by_index
					     (val2, i, &child2, NULL));
				if (!avro_value_equal_fast(&child1, &child2)) {
					return 0;
				}
			}

			return 1;
		}

		case AVRO_ENUM:
		{
			int  v1;
			int  v2;
			check_return(0, avro_value_get_enum(val1, &v1));
			check_return(0, avro_value_get_enum(val2, &v2));
			return (v1 == v2);
		}

		case AVRO_FIXED:
		{
			const void  *buf1;
			const void  *buf2;
			size_t  size1;
			size_t  size2;
			check_return(0, avro_value_get_fixed(val1, &buf1, &size1));
			check_return(0, avro_value_get_fixed(val2, &buf2, &size2));
			if (size1 != size2) {
				return 0;
			}
			return (memcmp(buf1, buf2, size1) == 0);
		}

		case AVRO_MAP:
		{
			size_t  count1;
			size_t  count2;
			check_return(0, avro_value_get_size(val1, &count1));
			check_return(0, avro_value_get_size(val2, &count2));
			if (count1 != count2) {
				return 0;
			}

			size_t  i;
			for (i = 0; i < count1; i++) {
				avro_value_t  child1;
				avro_value_t  child2;
				const char  *key1;
				check_return(0, avro_value_get_by_index
					     (val1, i, &child1, &key1));
				check_return(0, avro_value_get_by_name
					     (val2, key1, &child2, NULL));
				if (!avro_value_equal_fast(&child1, &child2)) {
					return 0;
				}
			}

			return 1;
		}

		case AVRO_RECORD:
		{
			size_t  count1;
			check_return(0, avro_value_get_size(val1, &count1));

			size_t  i;
			for (i = 0; i < count1; i++) {
				avro_value_t  child1;
				avro_value_t  child2;
				check_return(0, avro_value_get_by_index
					     (val1, i, &child1, NULL));
				check_return(0, avro_value_get_by_index
					     (val2, i, &child2, NULL));
				if (!avro_value_equal_fast(&child1, &child2)) {
					return 0;
				}
			}

			return 1;
		}

		case AVRO_UNION:
		{
			int  disc1;
			int  disc2;
			check_return(0, avro_value_get_discriminant(val1, &disc1));
			check_return(0, avro_value_get_discriminant(val2, &disc2));
			if (disc1 != disc2) {
				return 0;
			}

			avro_value_t  branch1;
			avro_value_t  branch2;
			check_return(0, avro_value_get_current_branch(val1, &branch1));
			check_return(0, avro_value_get_current_branch(val2, &branch2));
			return avro_value_equal_fast(&branch1, &branch2);
		}

		default:
			return 0;
	}
}
Beispiel #7
0
int
avro_value_copy_fast(avro_value_t *dest, const avro_value_t *src)
{
	avro_type_t  dest_type = avro_value_get_type(dest);
	avro_type_t  src_type = avro_value_get_type(src);
	if (dest_type != src_type) {
		return 0;
	}

	int  rval;
	check(rval, avro_value_reset(dest));

	switch (dest_type) {
		case AVRO_BOOLEAN:
		{
			int  val;
			check(rval, avro_value_get_boolean(src, &val));
			return avro_value_set_boolean(dest, val);
		}

		case AVRO_BYTES:
		{
			avro_wrapped_buffer_t  val;
			check(rval, avro_value_grab_bytes(src, &val));
			return avro_value_give_bytes(dest, &val);
		}

		case AVRO_DOUBLE:
		{
			double  val;
			check(rval, avro_value_get_double(src, &val));
			return avro_value_set_double(dest, val);
		}

		case AVRO_FLOAT:
		{
			float  val;
			check(rval, avro_value_get_float(src, &val));
			return avro_value_set_float(dest, val);
		}

		case AVRO_INT32:
		{
			int32_t  val;
			check(rval, avro_value_get_int(src, &val));
			return avro_value_set_int(dest, val);
		}

		case AVRO_INT64:
		{
			int64_t  val;
			check(rval, avro_value_get_long(src, &val));
			return avro_value_set_long(dest, val);
		}

		case AVRO_NULL:
		{
			check(rval, avro_value_get_null(src));
			return avro_value_set_null(dest);
		}

		case AVRO_STRING:
		{
			avro_wrapped_buffer_t  val;
			check(rval, avro_value_grab_string(src, &val));
			return avro_value_give_string_len(dest, &val);
		}

		case AVRO_ARRAY:
		{
			size_t  count;
			check(rval, avro_value_get_size(src, &count));

			size_t  i;
			for (i = 0; i < count; i++) {
				avro_value_t  src_child;
				avro_value_t  dest_child;

				check(rval, avro_value_get_by_index
				      (src, i, &src_child, NULL));
				check(rval, avro_value_append
				      (dest, &dest_child, NULL));
				check(rval, avro_value_copy_fast
				      (&dest_child, &src_child));
			}

			return 0;
		}

		case AVRO_ENUM:
		{
			int  val;
			check(rval, avro_value_get_enum(src, &val));
			return avro_value_set_enum(dest, val);
		}

		case AVRO_FIXED:
		{
			avro_wrapped_buffer_t  val;
			check(rval, avro_value_grab_fixed(src, &val));
			return avro_value_give_fixed(dest, &val);
		}

		case AVRO_MAP:
		{
			size_t  count;
			check(rval, avro_value_get_size(src, &count));

			size_t  i;
			for (i = 0; i < count; i++) {
				avro_value_t  src_child;
				avro_value_t  dest_child;
				const char  *key;

				check(rval, avro_value_get_by_index
				      (src, i, &src_child, &key));
				check(rval, avro_value_add
				      (dest, key, &dest_child, NULL, NULL));
				check(rval, avro_value_copy_fast
				      (&dest_child, &src_child));
			}

			return 0;
		}

		case AVRO_RECORD:
		{
			size_t  count;
			check(rval, avro_value_get_size(src, &count));

			size_t  i;
			for (i = 0; i < count; i++) {
				avro_value_t  src_child;
				avro_value_t  dest_child;

				check(rval, avro_value_get_by_index
				      (src, i, &src_child, NULL));
				check(rval, avro_value_get_by_index
				      (dest, i, &dest_child, NULL));
				check(rval, avro_value_copy_fast
				      (&dest_child, &src_child));
			}

			return 0;
		}

		case AVRO_UNION:
		{
			int  disc;
			check(rval, avro_value_get_discriminant(src, &disc));

			avro_value_t  src_branch;
			avro_value_t  dest_branch;

			check(rval, avro_value_get_current_branch(src, &src_branch));
			check(rval, avro_value_set_branch(dest, disc, &dest_branch));

			return avro_value_copy_fast(&dest_branch, &src_branch);
		}

		default:
			return 0;
	}
}
Beispiel #8
0
int
avro_value_cmp_fast(avro_value_t *val1, avro_value_t *val2)
{
	avro_type_t  type1 = avro_value_get_type(val1);
	avro_type_t  type2 = avro_value_get_type(val2);
	if (type1 != type2) {
		return -1;
	}

	switch (type1) {
		case AVRO_BOOLEAN:
		{
			int  v1;
			int  v2;
			check_return(0, avro_value_get_boolean(val1, &v1));
			check_return(0, avro_value_get_boolean(val2, &v2));
			return cmp(!!v1, !!v2);
		}

		case AVRO_BYTES:
		{
			const void  *buf1;
			const void  *buf2;
			size_t  size1;
			size_t  size2;
			size_t  min_size;
			int  result;

			check_return(0, avro_value_get_bytes(val1, &buf1, &size1));
			check_return(0, avro_value_get_bytes(val2, &buf2, &size2));

			min_size = (size1 < size2)? size1: size2;
			result = memcmp(buf1, buf2, min_size);
			if (result != 0) {
				return result;
			} else {
				return cmp(size1, size2);
			}
		}

		case AVRO_DOUBLE:
		{
			double  v1;
			double  v2;
			check_return(0, avro_value_get_double(val1, &v1));
			check_return(0, avro_value_get_double(val2, &v2));
			return cmp(v1, v2);
		}

		case AVRO_FLOAT:
		{
			float  v1;
			float  v2;
			check_return(0, avro_value_get_float(val1, &v1));
			check_return(0, avro_value_get_float(val2, &v2));
			return cmp(v1, v2);
		}

		case AVRO_INT32:
		{
			int32_t  v1;
			int32_t  v2;
			check_return(0, avro_value_get_int(val1, &v1));
			check_return(0, avro_value_get_int(val2, &v2));
			return cmp(v1, v2);
		}

		case AVRO_INT64:
		{
			int64_t  v1;
			int64_t  v2;
			check_return(0, avro_value_get_long(val1, &v1));
			check_return(0, avro_value_get_long(val2, &v2));
			return cmp(v1, v2);
		}

		case AVRO_NULL:
		{
			check_return(0, avro_value_get_null(val1));
			check_return(0, avro_value_get_null(val2));
			return 0;
		}

		case AVRO_STRING:
		{
			const char  *buf1;
			const char  *buf2;
			size_t  size1;
			size_t  size2;
			size_t  min_size;
			int  result;
			check_return(0, avro_value_get_string(val1, &buf1, &size1));
			check_return(0, avro_value_get_string(val2, &buf2, &size2));

			min_size = (size1 < size2)? size1: size2;
			result = memcmp(buf1, buf2, min_size);
			if (result != 0) {
				return result;
			} else {
				return cmp(size1, size2);
			}
		}

		case AVRO_ARRAY:
		{
			size_t  count1;
			size_t  count2;
			size_t  min_count;
			size_t  i;
			check_return(0, avro_value_get_size(val1, &count1));
			check_return(0, avro_value_get_size(val2, &count2));

			min_count = (count1 < count2)? count1: count2;
			for (i = 0; i < min_count; i++) {
				avro_value_t  child1;
				avro_value_t  child2;
				int  result;
				check_return(0, avro_value_get_by_index
					     (val1, i, &child1, NULL));
				check_return(0, avro_value_get_by_index
					     (val2, i, &child2, NULL));
				result = avro_value_cmp_fast(&child1, &child2);
				if (result != 0) {
					return result;
				}
			}

			return cmp(count1, count2);
		}

		case AVRO_ENUM:
		{
			int  v1;
			int  v2;
			check_return(0, avro_value_get_enum(val1, &v1));
			check_return(0, avro_value_get_enum(val2, &v2));
			return cmp(v1, v2);
		}

		case AVRO_FIXED:
		{
			const void  *buf1;
			const void  *buf2;
			size_t  size1;
			size_t  size2;
			check_return(0, avro_value_get_fixed(val1, &buf1, &size1));
			check_return(0, avro_value_get_fixed(val2, &buf2, &size2));
			if (size1 != size2) {
				return -1;
			}
			return memcmp(buf1, buf2, size1);
		}

		case AVRO_MAP:
		{
			return -1;
		}

		case AVRO_RECORD:
		{
			size_t  count1;
			check_return(0, avro_value_get_size(val1, &count1));

			size_t  i;
			for (i = 0; i < count1; i++) {
				avro_value_t  child1;
				avro_value_t  child2;
				int  result;

				check_return(0, avro_value_get_by_index
					     (val1, i, &child1, NULL));
				check_return(0, avro_value_get_by_index
					     (val2, i, &child2, NULL));
				result = avro_value_cmp_fast(&child1, &child2);
				if (result != 0) {
					return result;
				}
			}

			return 0;
		}

		case AVRO_UNION:
		{
			int  disc1;
			int  disc2;
			check_return(0, avro_value_get_discriminant(val1, &disc1));
			check_return(0, avro_value_get_discriminant(val2, &disc2));

			if (disc1 == disc2) {
				avro_value_t  branch1;
				avro_value_t  branch2;
				check_return(0, avro_value_get_current_branch(val1, &branch1));
				check_return(0, avro_value_get_current_branch(val2, &branch2));
				return avro_value_cmp_fast(&branch1, &branch2);
			} else {
				return cmp(disc1, disc2);
			}
		}

		default:
			return 0;
	}
}