/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef TDENGINE_OS_SOCKET_H
#define TDENGINE_OS_SOCKET_H

#ifdef __cplusplus
extern "C" {
#endif

#ifndef TAOS_OS_FUNC_SOCKET_OP
  #define taosSend(sockfd, buf, len, flags) send(sockfd, buf, len, flags)
  #define taosSendto(sockfd, buf, len, flags, dest_addr, addrlen) sendto(sockfd, buf, len, flags, dest_addr, addrlen)
  #define taosReadSocket(fd, buf, len) read(fd, buf, len)
  #define taosWriteSocket(fd, buf, len) write(fd, buf, len)
  #define taosCloseSocket(x) \
    {                        \
      if (FD_VALID(x)) {     \
        close(x);            \
        x = FD_INITIALIZER;  \
      }                      \
    }
  typedef int SOCKET;
#endif

#ifndef TAOS_OS_DEF_EPOLL
  #define TAOS_EPOLL_WAIT_TIME -1
#endif  

#define taosClose(x) taosCloseSocket(x)

#ifdef TAOS_RANDOM_NETWORK_FAIL
  #ifdef TAOS_RANDOM_NETWORK_FAIL_TEST
    ssize_t taosSendRandomFail(int sockfd, const void *buf, size_t len, int flags);
    ssize_t taosSendToRandomFail(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen);
    ssize_t taosReadSocketRandomFail(int fd, void *buf, size_t count);
    ssize_t taosWriteSocketRandomFail(int fd, const void *buf, size_t count);
    #undef taosSend
    #undef taosSendto
    #undef taosReadSocket
    #undef taosWriteSocket
    #define taosSend(sockfd, buf, len, flags) taosSendRandomFail(sockfd, buf, len, flags)
    #define taosSendto(sockfd, buf, len, flags, dest_addr, addrlen) taosSendToRandomFail(sockfd, buf, len, flags, dest_addr, addrlen)
    #define taosReadSocket(fd, buf, len) taosReadSocketRandomFail(fd, buf, len)
    #define taosWriteSocket(fd, buf, len) taosWriteSocketRandomFail(fd, buf, len)
  #endif  
#endif

// TAOS_OS_FUNC_SOCKET
int taosSetNonblocking(SOCKET sock, int on);
void taosBlockSIGPIPE();

// TAOS_OS_FUNC_SOCKET_SETSOCKETOPT
int taosSetSockOpt(SOCKET socketfd, int level, int optname, void *optval, int optlen);

#ifdef __cplusplus
}
#endif

#endif
