pandemonium_engine_minimal/core/object/message_queue.h

83 lines
1.9 KiB
C++

#ifndef MESSAGE_QUEUE_H
#define MESSAGE_QUEUE_H
/* message_queue.h */
#include "core/containers/local_vector.h"
#include "core/object/object.h"
#include "core/os/thread_safe.h"
class MessageQueue {
_THREAD_SAFE_CLASS_
enum {
TYPE_CALL,
TYPE_NOTIFICATION,
TYPE_SET,
FLAG_SHOW_ERROR = 1 << 14,
FLAG_MASK = FLAG_SHOW_ERROR - 1
};
struct Message {
ObjectID instance_id;
StringName target;
int16_t type;
union {
int16_t notification;
int16_t args;
};
};
struct Buffer {
LocalVector<uint8_t> data;
uint64_t end = 0;
};
Buffer buffers[2];
int read_buffer = 0;
int write_buffer = 1;
uint64_t max_allowed_buffer_size = 0;
struct BufferSizeMonitor {
uint32_t max_size = 0;
uint32_t flush_count = 0;
// Only used for performance statistics.
uint32_t max_size_overall = 0;
} _buffer_size_monitor;
void _call_function(Object *p_target, const StringName &p_func, const Variant *p_args, int p_argcount, bool p_show_error);
void _update_buffer_monitor();
static MessageQueue *singleton;
bool flushing;
public:
static MessageQueue *get_singleton();
Error push_call(ObjectID p_id, const StringName &p_method, const Variant **p_args, int p_argcount, bool p_show_error = false);
Error push_call(ObjectID p_id, const StringName &p_method, VARIANT_ARG_LIST);
Error push_notification(ObjectID p_id, int p_notification);
Error push_set(ObjectID p_id, const StringName &p_prop, const Variant &p_value);
Error push_call(Object *p_object, const StringName &p_method, VARIANT_ARG_LIST);
Error push_notification(Object *p_object, int p_notification);
Error push_set(Object *p_object, const StringName &p_prop, const Variant &p_value);
void statistics();
void flush();
bool is_flushing() const;
int get_max_buffer_usage() const;
int get_current_buffer_usage() const;
MessageQueue();
~MessageQueue();
};
#endif // MESSAGE_QUEUE_H