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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2014-2022. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*/
#include <wx/wx.h>
#include "wxe_impl.h"
/* ****************************************************************************
* Erlang Commands
* ****************************************************************************/
wxeCommand::wxeCommand()
{
env = enif_alloc_env();
}
wxeCommand::~wxeCommand()
{
if(env)
enif_free_env(env);
}
void wxeCommand::Init(int u_argc, const ERL_NIF_TERM u_argv[], int u_op, wxe_me_ref *u_mr, ErlNifPid u_caller)
{
op = u_op;
caller = u_caller;
argc = u_argc;
for(int i=0; i<argc; i++)
args[i] = enif_make_copy(env, u_argv[i]);
me_ref = u_mr;
}
/* ****************************************************************************
* wxeFifo
* ****************************************************************************/
wxeFifo::wxeFifo(unsigned int sz)
{
size = 0;
}
wxeFifo::~wxeFifo() {
for(std::deque<wxeCommand *>::iterator it = m_q.begin(); it != m_q.end(); ++it) {
delete *it;
}
for(std::vector<wxeCommand *>::iterator it = free.begin(); it != free.end(); ++it) {
delete *it;
}
}
wxeCommand * wxeFifo::Get()
{
wxeCommand * cmd;
do {
if(m_q.empty())
return NULL;
else {
cmd = m_q.front();
m_q.pop_front();
}
} while (cmd == NULL);
size--;
return cmd;
}
int wxeFifo::Add(int argc, const ERL_NIF_TERM argv[], int op, wxe_me_ref *mr, ErlNifPid caller)
{
wxeCommand * curr;
if(free.empty()) {
curr = new wxeCommand();
} else {
curr = free.back();
free.pop_back();
}
curr->Init(argc, argv, op, mr, caller);
m_q.push_back(curr);
size++;
return size;
}
void wxeFifo::DelQueue(unsigned int i)
{
size--;
m_q[i] = NULL;
}
void wxeFifo::DeleteCmd(wxeCommand *orig)
{
orig->op = -2; // Assert: will crash if op is negative
enif_clear_env(orig->env);
free.push_back(orig);
}
unsigned int wxeFifo::Size()
{
return size;
}
void wxeFifo::Append(wxeCommand *orig)
{
wxeCommand * curr;
if(free.empty()) {
curr = new wxeCommand();
} else {
curr = free.back();
free.pop_back();
}
curr->op = orig->op;
curr->caller = orig->caller;
curr->argc = orig->argc;
for(int i=0; i<curr->argc; i++)
curr->args[i] = orig->args[i];
ErlNifEnv * temp = curr->env;
curr->env = orig->env;
orig->env = temp;
curr->me_ref = orig->me_ref;
orig->op = -1; // Assert: will crash if op is negative
m_q.push_back(curr);
}
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