429 lines
11 KiB
C++
429 lines
11 KiB
C++
/*************************************************************************/
|
|
/* message_queue.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
#include "message_queue.h"
|
|
#include "globals.h"
|
|
#include "script_language.h"
|
|
MessageQueue *MessageQueue::singleton=NULL;
|
|
|
|
MessageQueue *MessageQueue::get_singleton() {
|
|
|
|
return singleton;
|
|
}
|
|
|
|
Error MessageQueue::push_call(ObjectID p_id,const StringName& p_method,const Variant** p_args,int p_argcount,bool p_show_error) {
|
|
|
|
_THREAD_SAFE_METHOD_
|
|
|
|
int room_needed=sizeof(Message)+sizeof(Variant)*p_argcount;
|
|
|
|
if ((buffer_end+room_needed) >= buffer_size) {
|
|
String type;
|
|
if (ObjectDB::get_instance(p_id))
|
|
type=ObjectDB::get_instance(p_id)->get_type();
|
|
print_line("failed method: "+type+":"+p_method+" target ID: "+itos(p_id));
|
|
statistics();
|
|
|
|
}
|
|
|
|
ERR_FAIL_COND_V( (buffer_end+room_needed) >= buffer_size , ERR_OUT_OF_MEMORY );
|
|
Message * msg = memnew_placement( &buffer[ buffer_end ], Message );
|
|
msg->args=p_argcount;
|
|
msg->instance_ID=p_id;
|
|
msg->target=p_method;
|
|
msg->type=TYPE_CALL;
|
|
if (p_show_error)
|
|
msg->type|=FLAG_SHOW_ERROR;
|
|
|
|
buffer_end+=sizeof(Message);
|
|
|
|
for(int i=0;i<p_argcount;i++) {
|
|
|
|
Variant * v = memnew_placement( &buffer[ buffer_end ], Variant );
|
|
buffer_end+=sizeof(Variant);
|
|
*v=*p_args[i];
|
|
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
Error MessageQueue::push_call(ObjectID p_id, const StringName& p_method, VARIANT_ARG_DECLARE) {
|
|
|
|
VARIANT_ARGPTRS;
|
|
|
|
int argc=0;
|
|
|
|
for(int i=0;i<VARIANT_ARG_MAX;i++) {
|
|
if (argptr[i]->get_type()==Variant::NIL)
|
|
break;
|
|
argc++;
|
|
}
|
|
|
|
return push_call(p_id,p_method,argptr,argc,false);
|
|
|
|
}
|
|
|
|
Error MessageQueue::push_set(ObjectID p_id, const StringName& p_prop, const Variant& p_value) {
|
|
|
|
_THREAD_SAFE_METHOD_
|
|
|
|
uint8_t room_needed=sizeof(Message)+sizeof(Variant);
|
|
|
|
if ((buffer_end+room_needed) >= buffer_size) {
|
|
String type;
|
|
if (ObjectDB::get_instance(p_id))
|
|
type=ObjectDB::get_instance(p_id)->get_type();
|
|
print_line("failed set: "+type+":"+p_prop+" target ID: "+itos(p_id));
|
|
statistics();
|
|
|
|
}
|
|
|
|
ERR_FAIL_COND_V( (buffer_end+room_needed) >= buffer_size , ERR_OUT_OF_MEMORY );
|
|
|
|
Message * msg = memnew_placement( &buffer[ buffer_end ], Message );
|
|
msg->args=1;
|
|
msg->instance_ID=p_id;
|
|
msg->target=p_prop;
|
|
msg->type=TYPE_SET;
|
|
|
|
buffer_end+=sizeof(Message);
|
|
|
|
Variant * v = memnew_placement( &buffer[ buffer_end ], Variant );
|
|
buffer_end+=sizeof(Variant);
|
|
*v=p_value;
|
|
|
|
|
|
return OK;
|
|
}
|
|
|
|
Error MessageQueue::push_notification(ObjectID p_id, int p_notification) {
|
|
|
|
_THREAD_SAFE_METHOD_
|
|
|
|
ERR_FAIL_COND_V(p_notification<0, ERR_INVALID_PARAMETER );
|
|
|
|
uint8_t room_needed=sizeof(Message);
|
|
|
|
if ((buffer_end+room_needed) >= buffer_size) {
|
|
String type;
|
|
if (ObjectDB::get_instance(p_id))
|
|
type=ObjectDB::get_instance(p_id)->get_type();
|
|
print_line("failed notification: "+itos(p_notification)+" target ID: "+itos(p_id));
|
|
statistics();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ERR_FAIL_COND_V( (buffer_end+room_needed) >= buffer_size , ERR_OUT_OF_MEMORY );
|
|
Message * msg = memnew_placement( &buffer[ buffer_end ], Message );
|
|
|
|
msg->type=TYPE_NOTIFICATION;
|
|
msg->instance_ID=p_id;
|
|
//msg->target;
|
|
msg->notification=p_notification;
|
|
|
|
buffer_end+=sizeof(Message);
|
|
|
|
|
|
return OK;
|
|
}
|
|
|
|
Error MessageQueue::push_call(Object *p_object, const StringName& p_method, VARIANT_ARG_DECLARE) {
|
|
|
|
return push_call(p_object->get_instance_ID(),p_method,VARIANT_ARG_PASS);
|
|
}
|
|
|
|
Error MessageQueue::push_notification(Object *p_object, int p_notification) {
|
|
|
|
return push_notification(p_object->get_instance_ID(),p_notification);
|
|
}
|
|
Error MessageQueue::push_set(Object *p_object, const StringName& p_prop, const Variant& p_value) {
|
|
|
|
return push_set(p_object->get_instance_ID(),p_prop,p_value);
|
|
}
|
|
|
|
|
|
void MessageQueue::statistics() {
|
|
|
|
Map<StringName,int> set_count;
|
|
Map<int,int> notify_count;
|
|
Map<StringName,int> call_count;
|
|
int null_count=0;
|
|
|
|
uint32_t read_pos=0;
|
|
while (read_pos < buffer_end ) {
|
|
Message *message = (Message*)&buffer[ read_pos ];
|
|
|
|
Object *target = ObjectDB::get_instance(message->instance_ID);
|
|
|
|
if (target!=NULL) {
|
|
|
|
|
|
switch(message->type&FLAG_MASK) {
|
|
|
|
case TYPE_CALL: {
|
|
|
|
if (!call_count.has(message->target))
|
|
call_count[message->target]=0;
|
|
|
|
call_count[message->target]++;
|
|
|
|
} break;
|
|
case TYPE_NOTIFICATION: {
|
|
|
|
if (!notify_count.has(message->notification))
|
|
notify_count[message->notification]=0;
|
|
|
|
notify_count[message->notification]++;
|
|
|
|
} break;
|
|
case TYPE_SET: {
|
|
|
|
if (!set_count.has(message->target))
|
|
set_count[message->target]=0;
|
|
|
|
set_count[message->target]++;
|
|
|
|
} break;
|
|
|
|
}
|
|
|
|
//object was deleted
|
|
//WARN_PRINT("Object was deleted while awaiting a callback")
|
|
//should it print a warning?
|
|
} else {
|
|
|
|
null_count++;
|
|
}
|
|
|
|
|
|
read_pos+=sizeof(Message);
|
|
if ((message->type&FLAG_MASK)!=TYPE_NOTIFICATION)
|
|
read_pos+=sizeof(Variant)*message->args;
|
|
}
|
|
|
|
|
|
print_line("TOTAL BYTES: "+itos(buffer_end));
|
|
print_line("NULL count: "+itos(null_count));
|
|
|
|
for(Map<StringName,int>::Element *E=set_count.front();E;E=E->next()) {
|
|
|
|
print_line("SET "+E->key()+": "+itos(E->get()));
|
|
}
|
|
|
|
for(Map<StringName,int>::Element *E=call_count.front();E;E=E->next()) {
|
|
|
|
print_line("CALL "+E->key()+": "+itos(E->get()));
|
|
}
|
|
|
|
for(Map<int,int>::Element *E=notify_count.front();E;E=E->next()) {
|
|
|
|
print_line("NOTIFY "+itos(E->key())+": "+itos(E->get()));
|
|
}
|
|
|
|
}
|
|
|
|
bool MessageQueue::print() {
|
|
#if 0
|
|
uint32_t read_pos=0;
|
|
while (read_pos < buffer_end ) {
|
|
Message *message = (Message*)&buffer[ read_pos ];
|
|
|
|
Object *target = ObjectDB::get_instance(message->instance_ID);
|
|
String cname;
|
|
String cfunc;
|
|
|
|
if (target==NULL) {
|
|
//object was deleted
|
|
//WARN_PRINT("Object was deleted while awaiting a callback")
|
|
//should it print a warning?
|
|
} else if (message->notification>=0) {
|
|
|
|
// messages don't expect a return value
|
|
cfunc="notification # "+itos(message->notification);
|
|
cname=target->get_type();
|
|
|
|
} else if (!message->target.empty()) {
|
|
|
|
cfunc="property: "+message->target;
|
|
cname=target->get_type();
|
|
|
|
|
|
} else if (message->target) {
|
|
|
|
cfunc=String(message->target)+"()";
|
|
cname=target->get_type();
|
|
}
|
|
|
|
|
|
read_pos+=sizeof(Message);
|
|
if (message->type!=TYPE_NOTIFICATION)
|
|
read_pos+=sizeof(Variant)*message->args;
|
|
}
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
int MessageQueue::get_max_buffer_usage() const {
|
|
|
|
return buffer_max_used;
|
|
}
|
|
|
|
|
|
void MessageQueue::_call_function(Object* p_target, const StringName& p_func, const Variant *p_args, int p_argcount,bool p_show_error) {
|
|
|
|
const Variant **argptrs=NULL;
|
|
if (p_argcount) {
|
|
argptrs = (const Variant**)alloca(sizeof(Variant*)*p_argcount);
|
|
for(int i=0;i<p_argcount;i++) {
|
|
argptrs[i]=&p_args[i];
|
|
}
|
|
}
|
|
|
|
Variant::CallError ce;
|
|
p_target->call(p_func,argptrs,p_argcount,ce);
|
|
if (p_show_error && ce.error!=Variant::CallError::CALL_OK) {
|
|
|
|
ERR_PRINTS("Error calling deferred method: "+Variant::get_call_error_text(p_target,p_func,argptrs,p_argcount,ce));
|
|
|
|
}
|
|
}
|
|
|
|
void MessageQueue::flush() {
|
|
|
|
|
|
if (buffer_end > buffer_max_used) {
|
|
buffer_max_used=buffer_end;
|
|
//statistics();
|
|
}
|
|
|
|
uint32_t read_pos=0;
|
|
|
|
//using reverse locking strategy
|
|
_THREAD_SAFE_LOCK_
|
|
|
|
while (read_pos<buffer_end) {
|
|
|
|
_THREAD_SAFE_UNLOCK_
|
|
|
|
//lock on each interation, so a call can re-add itself to the message queue
|
|
|
|
Message *message = (Message*)&buffer[ read_pos ];
|
|
|
|
Object *target = ObjectDB::get_instance(message->instance_ID);
|
|
|
|
if (target!=NULL) {
|
|
|
|
switch(message->type&FLAG_MASK) {
|
|
case TYPE_CALL: {
|
|
|
|
Variant *args= (Variant*)(message+1);
|
|
|
|
// messages don't expect a return value
|
|
|
|
|
|
_call_function(target,message->target,args,message->args,message->type&FLAG_SHOW_ERROR);
|
|
|
|
for(int i=0;i<message->args;i++) {
|
|
args[i].~Variant();
|
|
}
|
|
|
|
} break;
|
|
case TYPE_NOTIFICATION: {
|
|
|
|
// messages don't expect a return value
|
|
target->notification(message->notification);
|
|
|
|
} break;
|
|
case TYPE_SET: {
|
|
|
|
Variant *arg= (Variant*)(message+1);
|
|
// messages don't expect a return value
|
|
target->set(message->target,*arg);
|
|
|
|
arg->~Variant();
|
|
} break;
|
|
}
|
|
|
|
}
|
|
|
|
uint32_t advance = sizeof(Message);
|
|
if ((message->type&FLAG_MASK)!=TYPE_NOTIFICATION)
|
|
advance+=sizeof(Variant)*message->args;
|
|
message->~Message();
|
|
|
|
_THREAD_SAFE_LOCK_
|
|
read_pos+=advance;
|
|
|
|
}
|
|
|
|
|
|
buffer_end=0; // reset buffer
|
|
_THREAD_SAFE_UNLOCK_
|
|
|
|
}
|
|
|
|
MessageQueue::MessageQueue() {
|
|
|
|
ERR_FAIL_COND(singleton!=NULL);
|
|
singleton=this;
|
|
|
|
buffer_end=0;
|
|
buffer_max_used=0;
|
|
buffer_size=GLOBAL_DEF( "core/message_queue_size_kb", DEFAULT_QUEUE_SIZE_KB );
|
|
buffer_size*=1024;
|
|
buffer = memnew_arr( uint8_t, buffer_size );
|
|
}
|
|
|
|
|
|
MessageQueue::~MessageQueue() {
|
|
|
|
uint32_t read_pos=0;
|
|
|
|
while (read_pos < buffer_end ) {
|
|
|
|
Message *message = (Message*)&buffer[ read_pos ];
|
|
Variant *args= (Variant*)(message+1);
|
|
int argc = message->args;
|
|
if ((message->type&FLAG_MASK)!=TYPE_NOTIFICATION) {
|
|
for (int i=0;i<argc;i++)
|
|
args[i].~Variant();
|
|
}
|
|
message->~Message();
|
|
|
|
read_pos+=sizeof(Message);
|
|
if ((message->type&FLAG_MASK)!=TYPE_NOTIFICATION)
|
|
read_pos+=sizeof(Variant)*message->args;
|
|
}
|
|
|
|
singleton=NULL;
|
|
memdelete_arr( buffer );
|
|
}
|