/*
 *
 * Copyright 2015, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef NET_GRPC_PHP_GRPC_CALL_H_
#define NET_GRPC_PHP_GRPC_CALL_H_

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "php_grpc.h"

#include "grpc/grpc.h"

// Throw an exception if error_code is not OK
#define MAYBE_THROW_CALL_ERROR(func_name, error_code)            \
  do {                                                           \
    if (error_code != GRPC_CALL_OK) {                            \
      zend_throw_exception(spl_ce_LogicException,                \
                           #func_name " was called incorrectly", \
                           (long)error_code TSRMLS_CC);          \
      return;                                                    \
    }                                                            \
  } while (0)

/* Class entry for the Call PHP class */
zend_class_entry *grpc_ce_call;

/* Wrapper struct for grpc_call that can be associated with a PHP object */
typedef struct wrapped_grpc_call {
  zend_object std;

  bool owned;
  grpc_call *wrapped;
} wrapped_grpc_call;

/* Initializes the Call PHP class */
void grpc_init_call(TSRMLS_D);

/* Creates a Call object that wraps the given grpc_call struct */
zval *grpc_php_wrap_call(grpc_call *wrapped, bool owned);

/* Creates and returns a PHP associative array of metadata from a C array of
 * call metadata */
zval *grpc_call_create_metadata_array(int count, grpc_metadata *elements);

#endif /* NET_GRPC_PHP_GRPC_CHANNEL_H_ */