amps.h

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/* ////////////////////////////////////////////////////////////////////////
 *
 * Copyright (c) 2010-2023 60East Technologies Inc., All Rights Reserved.
 *
 * This computer software is owned by 60East Technologies Inc. and is
 * protected by U.S. copyright laws and other laws and by international
 * treaties.  This computer software is furnished by 60East Technologies
 * Inc. pursuant to a written license agreement and may be used, copied,
 * transmitted, and stored only in accordance with the terms of such
 * license agreement and with the inclusion of the above copyright notice.
 * This computer software or any other copies thereof may not be provided
 * or otherwise made available to any other person.
 *
 * U.S. Government Restricted Rights.  This computer software: (a) was
 * developed at private expense and is in all respects the proprietary
 * information of 60East Technologies Inc.; (b) was not developed with
 * government funds; (c) is a trade secret of 60East Technologies Inc.
 * for all purposes of the Freedom of Information Act; and (d) is a
 * commercial item and thus, pursuant to Section 12.212 of the Federal
 * Acquisition Regulations (FAR) and DFAR Supplement Section 227.7202,
 * Government's use, duplication or disclosure of the computer software
 * is subject to the restrictions set forth by 60East Technologies Inc..
 *
 * ////////////////////////////////////////////////////////////////////// */

#ifndef _AMPS_H_
#define _AMPS_H_

#ifdef _WIN32
  #include <WinSock2.h>
#else
  #include <netdb.h>
  #include <netinet/ip.h>
  #include <errno.h>
  #include <pthread.h>
  #include <unistd.h>
  #include <time.h>
#endif
#include <string.h>
#include <time.h>
#include <stdio.h>
#include "amps/amps_generated.h"

//Avoid compiler warnings on win
#ifdef INVALID_SOCKET
  #define AMPS_INVALID_SOCKET INVALID_SOCKET
#else
  #define AMPS_INVALID_SOCKET -1
#endif

#ifdef _WIN32
  #ifdef AMPS_SHARED
    #ifdef AMPS_BUILD
      #define AMPSDLL __declspec(dllexport)
    #else
      #define AMPSDLL __declspec(dllimport)
    #endif
  #else
    #define AMPSDLL
  #endif
  #define AMPS_USLEEP(x) Sleep((DWORD)(x)/(DWORD)1000);
  #define AMPS_YIELD() SwitchToThread()
  typedef HANDLE AMPS_THREAD_T;
  typedef SOCKET AMPS_SOCKET;
  typedef __int32            amps_int32_t;
  typedef unsigned __int32   amps_uint32_t;
  typedef __int64            amps_int64_t;
  typedef unsigned __int64   amps_uint64_t;
#else
  #define AMPSDLL
  #define AMPS_USLEEP(x) usleep((useconds_t)x)
  #define AMPS_YIELD() sched_yield()
  typedef pthread_t AMPS_THREAD_T;
  typedef int AMPS_SOCKET;
  typedef int32_t amps_int32_t;
  typedef uint32_t amps_uint32_t;
  typedef int64_t amps_int64_t;
  typedef uint64_t amps_uint64_t;
#endif

#if defined(_WIN32) || defined(__SSE_4_2__)
  #define AMPS_SSE_42 1
#endif

#ifdef __cplusplus
extern "C" {
#endif

typedef char amps_char;

typedef void* amps_handle;

typedef enum
{
  AMPS_E_OK,
  AMPS_E_MEMORY,
  AMPS_E_COMMAND,
  AMPS_E_CONNECTION,
  AMPS_E_TOPIC,
  AMPS_E_FILTER,
  AMPS_E_RETRY,
  AMPS_E_DISCONNECTED,
  AMPS_E_CONNECTION_REFUSED,
  AMPS_E_STREAM,
  AMPS_E_URI,
  AMPS_E_TRANSPORT_TYPE,
  AMPS_E_USAGE,
  AMPS_E_SSL
} amps_result;

typedef amps_result(*amps_handler)(amps_handle, void*);
typedef void(*amps_predisconnect_handler)(amps_handle, unsigned, void*);


AMPSDLL amps_handle amps_client_create(
  const amps_char*   clientName);

AMPSDLL amps_result amps_client_set_name(
  amps_handle handle,
  const amps_char*   clientName);

AMPSDLL amps_result amps_client_connect(
  amps_handle handle,
  const amps_char*  uri);

AMPSDLL void amps_client_disconnect(
  amps_handle handle);

AMPSDLL void amps_client_destroy(
  amps_handle handle);

AMPSDLL size_t amps_client_get_error(
  amps_handle  client,
  amps_char*   errorMessageOut,
  size_t       bufferSize);

AMPSDLL amps_result amps_client_send(
  amps_handle client,
  amps_handle message);

AMPSDLL amps_result amps_client_send_with_version(
  amps_handle client,
  amps_handle message,
  unsigned* version_out);


AMPSDLL void amps_client_set_message_handler(
  amps_handle client,
  amps_handler messageHandler,
  void* userData);

AMPSDLL void amps_client_set_predisconnect_handler(
  amps_handle client,
  amps_predisconnect_handler predisconnectHandler,
  void* userData);

AMPSDLL void amps_client_set_disconnect_handler(
  amps_handle client,
  amps_handler disconnectHandler,
  void* userData);

AMPSDLL amps_handle amps_client_get_transport(
  amps_handle client);

AMPSDLL amps_result
amps_client_attempt_reconnect(amps_handle client, unsigned version);

AMPSDLL AMPS_SOCKET
amps_client_get_socket(amps_handle client);

AMPSDLL amps_handle amps_message_create(amps_handle client);

AMPSDLL amps_handle amps_message_copy(amps_handle message);

AMPSDLL void amps_message_destroy(amps_handle message);

AMPSDLL void amps_message_reset(amps_handle message);

AMPSDLL void amps_message_get_field_value(
  amps_handle message,
  FieldId field,
  const amps_char**  value_ptr,
  size_t* length_ptr);

AMPSDLL void amps_message_set_field_value(
  amps_handle message,
  FieldId field,
  const amps_char* value,
  size_t   length);

AMPSDLL void amps_message_assign_field_value(
  amps_handle message,
  FieldId field,
  const amps_char* value,
  size_t   length);

AMPSDLL void amps_message_set_field_value_nts(
  amps_handle message,
  FieldId field,
  const amps_char* value);


AMPSDLL void amps_message_set_field_guid(
  amps_handle message,
  FieldId field);

AMPSDLL void amps_message_set_data(
  amps_handle message,
  const amps_char* value,
  size_t   length);

AMPSDLL void amps_message_assign_data(
  amps_handle message,
  const amps_char* value,
  size_t   length);

AMPSDLL void amps_message_set_data_nts(
  amps_handle message,
  const amps_char* value);

AMPSDLL void amps_message_get_data(
  amps_handle message,
  amps_char** value_ptr,
  size_t*     length_ptr);

AMPSDLL unsigned long amps_message_get_field_long(
  amps_handle message,
  FieldId field);

AMPSDLL amps_uint64_t amps_message_get_field_uint64(
  amps_handle message,
  FieldId field);

AMPSDLL amps_result amps_client_set_read_timeout(
  amps_handle client,
  int readTimeout);


AMPSDLL amps_result amps_client_set_idle_time(
  amps_handle client,
  int idleTime);

typedef void(*amps_transport_filter_function)(const unsigned char*, size_t, short, void*);

AMPSDLL amps_result amps_client_set_transport_filter_function(
  amps_handle client,
  amps_transport_filter_function filter,
  void* userData);

typedef amps_result(*amps_thread_created_callback)(AMPS_THREAD_T, void*);

AMPSDLL amps_result amps_client_set_thread_created_callback(
  amps_handle client,
  amps_thread_created_callback callback,
  void* userData);

AMPSDLL AMPS_SOCKET
amps_tcp_get_socket(amps_handle transport);

AMPSDLL AMPS_SOCKET
amps_tcps_get_socket(amps_handle transport);

AMPSDLL void*
amps_tcps_get_SSL(amps_handle transport);

/*
 * Returns the current wall-clock time in milliseconds
 */
AMPSDLL amps_uint64_t
amps_now(void);


AMPSDLL int amps_ssl_init(const char* dllPath_);

AMPSDLL int amps_ssl_set_verify(int mode_);

AMPSDLL int amps_ssl_load_verify_locations(const char* caFile_, const char* caPath_);

AMPSDLL void amps_ssl_free(void);

AMPSDLL const char* amps_ssl_get_error(void);

AMPSDLL void amps_noOpFn(void*);

/*
 * Internal API for use by the python client.
 */
AMPSDLL void amps_set_waiting_function(void*);
AMPSDLL void amps_invoke_waiting_function(void);
AMPSDLL void amps_set_remove_route_function(void*);
AMPSDLL void amps_invoke_remove_route_function(void*);
AMPSDLL void amps_set_copy_route_function(void*);
AMPSDLL void* amps_invoke_copy_route_function(void*);

#ifdef __cplusplus
}
#if !defined(_AMPS_BUILD_C_CLIENT) && !defined(_AMPS_SKIP_AMPSPLUSPLUS)
  #include <amps/ampsplusplus.hpp>
#endif
#endif

#endif