naudiodonUtil.h

/* Copyright 2021 Streampunk Media Ltd.

  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.
*/

#ifndef BEAMCODER_UTIL_H
#define BEAMCODER_UTIL_H

#include <chrono>
#include <stdio.h>
#include <string>
#include <unordered_map>
#include <algorithm>
#include "node_api.h"

#define DECLARE_NAPI_METHOD(name, func) { name, 0, func, 0, 0, 0, napi_default, 0 }

// Handling NAPI errors - use "napi_status status;" where used
#define CHECK_STATUS if (checkStatus(env, status, __FILE__, __LINE__ - 1) != napi_ok) return nullptr
#define PASS_STATUS if (status != napi_ok) return status
#define ACCEPT_STATUS(s) if ((status != s) && (status != napi_ok)) return status

napi_status checkStatus(napi_env env, napi_status status,
  const char * file, uint32_t line);

// High resolution timing
#define HR_TIME_POINT std::chrono::high_resolution_clock::time_point
#define NOW std::chrono::high_resolution_clock::now()
long long microTime(std::chrono::high_resolution_clock::time_point start);

// Argument processing
napi_status checkArgs(napi_env env, napi_callback_info info, const char* methodName,
  napi_value* args, size_t argc, napi_valuetype* types);

// Async error handling
#define NAUDIODON_ERROR_START 6000
#define NAUDIODON_INVALID_ARGS 6001
#define NAUDIODON_SUCCESS 0

struct carrier {
  virtual ~carrier() {}
  napi_ref passthru = nullptr;
  int32_t status = NAUDIODON_SUCCESS;
  std::string errorMsg;
  long long totalTime;
  napi_deferred _deferred;
  napi_async_work _request = nullptr;
};

void tidyCarrier(napi_env env, carrier* c);
int32_t rejectStatus(napi_env env, carrier* c, char* file, int32_t line);

#define REJECT_STATUS if (rejectStatus(env, c, (char*) __FILE__, __LINE__) != NAUDIODON_SUCCESS) return;
#define REJECT_RETURN if (rejectStatus(env, c, (char*) __FILE__, __LINE__) != NAUDIODON_SUCCESS) return promise;
#define FLOATING_STATUS if (status != napi_ok) { \
  printf("Unexpected N-API status not OK in file %s at line %d value %i.\n", \
    __FILE__, __LINE__ - 1, status); \
}

#define NAPI_THROW_ERROR(msg) { \
  char errorMsg[256]; \
  sprintf(errorMsg, "%s", msg); \
  napi_throw_error(env, nullptr, errorMsg); \
  return nullptr; \
}

napi_status naud_set_uint32(napi_env env, napi_value target, const char* name, uint32_t value);
napi_status naud_get_uint32(napi_env env, napi_value target, const char* name, uint32_t* value);
napi_status naud_set_int32(napi_env env, napi_value target, const char* name, int32_t value);
napi_status naud_get_int32(napi_env env, napi_value target, const char* name, int32_t* value);
napi_status naud_set_int64(napi_env env, napi_value target, const char* name, int64_t value);
napi_status naud_get_int64(napi_env env, napi_value target, const char* name, int64_t* value);
napi_status naud_set_double(napi_env env, napi_value target, const char* name, double value);
napi_status naud_get_double(napi_env env, napi_value target, const char* name, double* value);
napi_status naud_set_string_utf8(napi_env env, napi_value target, const char* name, const char* value);
napi_status naud_get_string_utf8(napi_env env, napi_value target, const char* name, char** value);
napi_status naud_set_bool(napi_env env, napi_value target, const char* name, bool value);
napi_status naud_get_bool(napi_env env, napi_value target, const char* name, bool* present, bool* value);
napi_status naud_set_null(napi_env env, napi_value target, const char* name);
napi_status naud_is_null(napi_env env, napi_value props, const char* name, bool* isNull);
napi_status naud_delete_named_property(napi_env env, napi_value props, const char* name, bool* deleted);

#endif // BEAMCODER_UTIL_H