C++ (Cpp) winsock2errno示例

示例#1

文件： socket_tcp6b.c 项目： rsenn/dirlist

int
socket_tcp6b(void) {
#ifdef LIBC_HAS_IP6
  int s;

#if WINDOWS_NATIVE
  __winsock_init();
#endif

  if(noipv6)
    goto compat;
  s = winsock2errno(socket(PF_INET6, SOCK_STREAM, 0));
  if(s == -1) {
    if(errno == EINVAL || errno == EAFNOSUPPORT || errno == EPFNOSUPPORT || errno == EPROTONOSUPPORT) {
    compat:
      s = winsock2errno(socket(AF_INET, SOCK_STREAM, 0));
      noipv6 = 1;
      if(s == -1)
        return -1;
    } else
      return -1;
  }
#ifdef IPV6_V6ONLY
  {
    int zero = 0;
    winsock2errno(setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&zero, sizeof(zero)));
  }
#endif
  return s;
#else
  return socket_tcp4b();
#endif
}

示例#2

文件： socket_mcloop6.c 项目： Moscarda/opentracker-1

int socket_mcloop6(int s,char loop)
{
#ifdef LIBC_HAS_IP6
  if (noipv6)
    return winsock2errno(setsockopt(s,IPPROTO_IP,IP_MULTICAST_LOOP,&loop,sizeof loop));
  else
    return winsock2errno(setsockopt(s,IPPROTO_IPV6,IPV6_MULTICAST_LOOP,&loop,sizeof loop));
#else
  return winsock2errno(setsockopt(s,IPPROTO_IP,IP_MULTICAST_LOOP,&loop,sizeof loop));
#endif
}

示例#3

文件： socket_send6.c 项目： Moscarda/opentracker-1

ssize_t socket_send6(int s,const char *buf,size_t len,const char ip[16],uint16 port,uint32 scope_id)
{
#ifdef LIBC_HAS_IP6
  struct sockaddr_in6 si;
#else
  struct sockaddr_in si;
#endif

  byte_zero(&si,sizeof si);
#ifdef LIBC_HAS_IP6
  if (noipv6) {
#endif
    if (ip6_isv4mapped(ip))
      return socket_send4(s,buf,len,ip+12,port);
    if (byte_equal(ip,16,V6loopback))
      return socket_send4(s,buf,len,ip4loopback,port);
#ifdef LIBC_HAS_IP6
    errno=EPROTONOSUPPORT;
    return -1;
  }
  si.sin6_family = AF_INET6;
  uint16_pack_big((char *) &si.sin6_port,port);
  byte_copy((char *) &si.sin6_addr,16,ip);
#ifdef LIBC_HAS_SCOPE_ID
  si.sin6_scope_id=scope_id;
#else
  si.sin6_scope_id=0;
#endif
  return winsock2errno(sendto(s,buf,len,0,(void*) &si,sizeof si));
#else
  errno=EPROTONOSUPPORT;
  return -1;
#endif
}

示例#4

文件： ndelay_on.c 项目： Moscarda/opentracker-1

int ndelay_on(int fd) {
#ifdef __MINGW32__
  unsigned long i=0;
  return winsock2errno(ioctlsocket( fd, FIONBIO, &i));
#else
  return fcntl(fd,F_SETFL,fcntl(fd,F_GETFL,0) | O_NDELAY);
#endif
}

示例#5

文件： socket_bind4_reuse.c 项目： Moscarda/opentracker-1

int socket_bind4_reuse(int s,const char *ip,uint16 port) {
  int one=1;
  setsockopt(s,SOL_SOCKET,SO_REUSEADDR,&one,sizeof one);
#ifdef SO_REUSEPORT
  setsockopt(s,SOL_SOCKET,SO_REUSEPORT,&one,sizeof one);
#endif
  return winsock2errno(socket_bind4(s,ip,port));
}

示例#6

文件： socket_udp4.c 项目： Moscarda/opentracker-1

int socket_udp4(void) {
  int s;
  __winsock_init();
  s = winsock2errno(socket(PF_INET,SOCK_DGRAM,IPPROTO_UDP));
  if (s == -1) return -1;
  if (ndelay_on(s) == -1) { close(s); return -1; }
  return s;
}

示例#7

文件： socket_send4.c 项目： Moscarda/opentracker-1

ssize_t socket_send4(int s,const char *buf,size_t len,const char ip[4],uint16 port) {
  struct sockaddr_in si;

  byte_zero(&si,sizeof si);
  si.sin_family = AF_INET;
  uint16_pack_big((char*) &si.sin_port,port);
  *((uint32*)&si.sin_addr) = *((uint32*)ip);
  return winsock2errno(sendto(s,buf,len,0,(void*) &si,sizeof si));
}

示例#8

文件： socket_connect4.c 项目： rsenn/dirlist

int
socket_connect4(int s, const char* ip, uint16 port) {
  struct sockaddr_in si;
  byte_zero(&si, sizeof(si));
  si.sin_family = AF_INET;
  uint16_pack_big((char*)&si.sin_port, port);
  *((uint32*)&si.sin_addr) = *((uint32*)ip);
  return winsock2errno(connect(s, (struct sockaddr*)&si, sizeof(si)));
}

示例#9

文件： socket_recv4.c 项目： Moscarda/opentracker-1

ssize_t socket_recv4(int s,char *buf,size_t len,char ip[4],uint16 *port) {
  struct sockaddr_in si;
  socklen_t Len = sizeof si;
  ssize_t r;

  if ((r = recvfrom(s,buf,len,0,(struct sockaddr *) &si,&Len))<0) return winsock2errno(-1);
  if (ip) *(uint32*)ip = *(uint32*)&si.sin_addr;
  if (port) uint16_unpack_big((char *) &si.sin_port,port);
  return r;
}

示例#10

文件： socket_recv6.c 项目： ephillipe/docker-build-stuffs

ssize_t socket_recv6(int s,char *buf,size_t len,char ip[16],uint16 *port,uint32 *scope_id)
{
#ifdef LIBC_HAS_IP6
  struct sockaddr_in6 si;
#else
  struct sockaddr_in si;
#endif
  socklen_t Len = sizeof si;
  ssize_t r;

  byte_zero(&si,Len);
  if ((r = recvfrom(s,buf,len,0,(struct sockaddr *) &si,&Len))<0) return winsock2errno(-1);

#ifdef LIBC_HAS_IP6
  if (noipv6 || si.sin6_family==AF_INET || si.sin6_family==PF_INET) {
    struct sockaddr_in *si4=(struct sockaddr_in *)&si;
    if (ip) {
      byte_copy(ip,12,V4mappedprefix);
      byte_copy(ip+12,4,(char *) &si4->sin_addr);
    }
    if (port) uint16_unpack_big((char *) &si4->sin_port,port);
    return r;
  }
  if (ip) byte_copy(ip,16,(char *) &si.sin6_addr);
  if (port) uint16_unpack_big((char *) &si.sin6_port,port);
#ifdef LIBC_HAS_SCOPE_ID
  if (scope_id) *scope_id=si.sin6_scope_id;
#else
  if (scope_id) *scope_id=0;
#endif
#else
  if (ip) {
    byte_copy(ip,12,(char *)V4mappedprefix);
    byte_copy(ip+12,4,(char *) &si.sin_addr);
  }
  if (port) uint16_unpack_big((char *) &si.sin_port,port);
  if (scope_id) *scope_id=0;
#endif

  return r;
}

示例#11

文件： socket_local6.c 项目： Moscarda/opentracker-1

int socket_local6(int s,char ip[16],uint16 *port,uint32 *scope_id)
{
#ifdef LIBC_HAS_IP6
  struct sockaddr_in6 si;
#else
  struct sockaddr_in si;
#endif
  socklen_t len = sizeof si;

  if (getsockname(s,(void*) &si,&len) == -1) return winsock2errno(-1);
#ifdef LIBC_HAS_IP6
  if (si.sin6_family==AF_INET) {
    struct sockaddr_in *si4=(void*)&si;
    if (ip) {
      byte_copy(ip,12,V4mappedprefix);
      byte_copy(ip+12,4,(char *) &si4->sin_addr);
    }
    if (port) uint16_unpack_big((char *) &si4->sin_port,port);
    return 0;
  }
  if (ip) byte_copy(ip,16,(char *) &si.sin6_addr);
  if (port) uint16_unpack_big((char *) &si.sin6_port,port);
#ifdef LIBC_HAS_SCOPE_ID
  if (scope_id) *scope_id=si.sin6_scope_id;
#else
  if (scope_id) *scope_id=0;
#endif

#else
  if (ip) {
    byte_copy(ip,12,V4mappedprefix);
    byte_copy(ip+12,4,(char *) &si.sin_addr);
  }
  if (port) uint16_unpack_big((char *) &si.sin_port,port);
  if (scope_id) *scope_id=0;
#endif
  return 0;
}

示例#12

文件： socket_mcttl4.c 项目： rsenn/dirlist

int
socket_mcttl4(int s, char TTL) {
  return winsock2errno(setsockopt(s, IPPROTO_IP, IP_MULTICAST_TTL, (void*)&TTL, sizeof TTL));
}

示例#13

文件： socket_mcloop4.c 项目： Moscarda/opentracker-1

int socket_mcloop4(int s,char loop)
{
  return winsock2errno(setsockopt(s,IPPROTO_IP,IP_MULTICAST_LOOP,&loop,sizeof loop));
}

示例#14

文件： socket_broadcast.c 项目： Moscarda/opentracker-1

int socket_broadcast(int s)
{
  int opt = 1;
  return winsock2errno(setsockopt(s,SOL_SOCKET,SO_BROADCAST,&opt,sizeof opt));
}

示例#15

文件： socket_accept4.c 项目： darcyg/chaosircd

int socket_accept4(int s,char *ip,uint16 *port) {
  struct sockaddr_in si;
  socklen_t len = sizeof si;
  int fd;

#ifdef __MINGW32__
  io_entry* e=array_get(&io_fds,sizeof(io_entry),s);
  if (e && e->inuse) {
    int sa2len;
    fd=-1;
    if (e->acceptqueued==1) {
      errno=EAGAIN;
      return -1;
    }
    if (e->acceptqueued==2) {
incoming:
      /* incoming! */
      {
	struct sockaddr* x,* y;
	GetAcceptExSockaddrs(e->inbuf,0,200,200,&x,&sa2len,&y,&len);
	if (len>sizeof(si)) len=sizeof(si);
	memcpy(&si,y,len);
      }
      fd=e->next_accept;
      e->next_accept=0;
      if (e->nonblock) {
	if (io_fd(fd)) {
	  io_entry* f=array_get(&io_fds,sizeof(io_entry),fd);
	  if (f) {
	    f->nonblock=1;
/*	    printf("setting fd %lu to non-blocking\n",(int)fd);*/
	  }
	}
      }
    }

    /* no accept queued, queue one now. */
    if (e->next_accept==0) {
      e->next_accept=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
      if (e==-1)
	return winsock2errno(-1);
    }
    if (AcceptEx(s,e->next_accept,e->inbuf,0,200,200,&e->errorcode,&e->or))
      goto incoming;
    if (WSAGetLastError() != ERROR_IO_PENDING)
      return winsock2errno(-1);
    e->acceptqueued=1;
    if (fd==-1) {
      errno=EAGAIN;
      return fd;
    }

  } else {
#endif

    if ((fd=accept(s,(void*) &si,&len))==-1)
      return winsock2errno(-1);

#ifdef __MINGW32__
  }
#endif
  if (ip) *(uint32*)ip = *(uint32*)&si.sin_addr;
  if (port) uint16_unpack_big((char *) &si.sin_port,port);
  return fd;
}