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C++ GET_REQ_SOCK_ERROR函数代码示例

本文整理汇总了C++中GET_REQ_SOCK_ERROR函数的典型用法代码示例。如果您正苦于以下问题：C++ GET_REQ_SOCK_ERROR函数的具体用法？C++ GET_REQ_SOCK_ERROR怎么用？C++ GET_REQ_SOCK_ERROR使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了GET_REQ_SOCK_ERROR函数的14个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: uv_process_tcp_connect_req

void uv_process_tcp_connect_req(uv_loop_t* loop, uv_tcp_t* handle,
    uv_connect_t* req) {
  int err;

  assert(handle->type == UV_TCP);

  UNREGISTER_HANDLE_REQ(loop, handle, req);

  err = 0;
  if (REQ_SUCCESS(req)) {
    if (setsockopt(handle->socket,
                    SOL_SOCKET,
                    SO_UPDATE_CONNECT_CONTEXT,
                    NULL,
                    0) == 0) {
      uv_connection_init((uv_stream_t*)handle);
      handle->flags |= UV_HANDLE_READABLE | UV_HANDLE_WRITABLE;
      loop->active_tcp_streams++;
    } else {
      err = WSAGetLastError();
    }
  } else {
    err = GET_REQ_SOCK_ERROR(req);
  }
  req->cb(req, uv_translate_sys_error(err));

  DECREASE_PENDING_REQ_COUNT(handle);
}
开发者ID:flybird119，项目名称:libuv-vc6，代码行数:28，代码来源:tcp.c

示例2: uv_process_tcp_write_req

void uv_process_tcp_write_req(uv_loop_t* loop, uv_tcp_t* handle,
    uv_write_t* req) {
  int err;

  assert(handle->type == UV_TCP);

  assert(handle->write_queue_size >= req->queued_bytes);
  handle->write_queue_size -= req->queued_bytes;

  UNREGISTER_HANDLE_REQ(loop, handle, req);

  if (handle->flags & UV_HANDLE_EMULATE_IOCP) {
    if (req->wait_handle != INVALID_HANDLE_VALUE) {
      pUnregisterWait(req->wait_handle);
      req->wait_handle = INVALID_HANDLE_VALUE;
    }
    if (req->event_handle) {
      CloseHandle(req->event_handle);
      req->event_handle = NULL;
    }
  }

  if (req->cb) {
    err = GET_REQ_SOCK_ERROR(req);
    req->cb(req, uv_translate_sys_error(err));
  }

  handle->write_reqs_pending--;
  if (handle->shutdown_req != NULL &&
      handle->write_reqs_pending == 0) {
    uv_want_endgame(loop, (uv_handle_t*)handle);
  }

  DECREASE_PENDING_REQ_COUNT(handle);
}
开发者ID:flybird119，项目名称:libuv-vc6，代码行数:35，代码来源:tcp.c

示例3: uv__fast_poll_process_poll_req

static void uv__fast_poll_process_poll_req(uv_loop_t* loop, uv_poll_t* handle,
        uv_req_t* req) {
    unsigned char mask_events;
    AFD_POLL_INFO* afd_poll_info;

    if (req == &handle->poll_req_1) {
        afd_poll_info = &handle->afd_poll_info_1;
        handle->submitted_events_1 = 0;
        mask_events = handle->mask_events_1;
    } else if (req == &handle->poll_req_2) {
        afd_poll_info = &handle->afd_poll_info_2;
        handle->submitted_events_2 = 0;
        mask_events = handle->mask_events_2;
    } else {
        assert(0);
    }

    /* Report an error unless the select was just interrupted. */
    if (!REQ_SUCCESS(req)) {
        DWORD error = GET_REQ_SOCK_ERROR(req);
        if (error != WSAEINTR && handle->events != 0) {
            handle->events = 0; /* Stop the watcher */
            uv__set_sys_error(loop, error);
            handle->poll_cb(handle, -1, 0);
        }

    } else if (afd_poll_info->NumberOfHandles >= 1) {
        unsigned char events = 0;

        if ((afd_poll_info->Handles[0].Events & (AFD_POLL_RECEIVE |
                AFD_POLL_DISCONNECT | AFD_POLL_ACCEPT | AFD_POLL_ABORT)) != 0) {
            events |= UV_READABLE;
        }
        if ((afd_poll_info->Handles[0].Events & (AFD_POLL_SEND |
                AFD_POLL_CONNECT_FAIL)) != 0) {
            events |= UV_WRITABLE;
        }

        events &= handle->events & ~mask_events;

        if (afd_poll_info->Handles[0].Events & AFD_POLL_LOCAL_CLOSE) {
            /* Stop polling. */
            handle->events = 0;
            uv__handle_stop(handle);
        }

        if (events != 0) {
            handle->poll_cb(handle, 0, events);
        }
    }

    if ((handle->events & ~(handle->submitted_events_1 |
                            handle->submitted_events_2)) != 0) {
        uv__fast_poll_submit_poll_req(loop, handle);
    } else if ((handle->flags & UV_HANDLE_CLOSING) &&
               handle->submitted_events_1 == 0 &&
               handle->submitted_events_2 == 0) {
        uv_want_endgame(loop, (uv_handle_t*) handle);
    }
}
开发者ID:ntoshev，项目名称:node，代码行数:60，代码来源:poll.c

示例4: uv_process_tcp_connect_req

void uv_process_tcp_connect_req(uv_loop_t* loop, uv_tcp_t* handle,
    uv_connect_t* req) {
  assert(handle->type == UV_TCP);

  if (req->cb) {
    if (REQ_SUCCESS(req)) {
      if (setsockopt(handle->socket,
                      SOL_SOCKET,
                      SO_UPDATE_CONNECT_CONTEXT,
                      NULL,
                      0) == 0) {
        uv_connection_init((uv_stream_t*)handle);
        active_tcp_streams++;
        ((uv_connect_cb)req->cb)(req, 0);
      } else {
        uv__set_sys_error(loop, WSAGetLastError());
        ((uv_connect_cb)req->cb)(req, -1);
      }
    } else {
      uv__set_sys_error(loop, GET_REQ_SOCK_ERROR(req));
      ((uv_connect_cb)req->cb)(req, -1);
    }
  }

  DECREASE_PENDING_REQ_COUNT(handle);
}
开发者ID:AlexandreXavier，项目名称:node，代码行数:26，代码来源:tcp.c

示例5: uv_process_tcp_write_req

void uv_process_tcp_write_req(uv_loop_t* loop, uv_tcp_t* handle,
    uv_write_t* req) {
  assert(handle->type == UV_TCP);

  assert(handle->write_queue_size >= req->queued_bytes);
  handle->write_queue_size -= req->queued_bytes;

  if (handle->flags & UV_HANDLE_EMULATE_IOCP) {
    if (req->wait_handle != INVALID_HANDLE_VALUE) {
      UnregisterWait(req->wait_handle);
    }
    if (req->event_handle) {
      CloseHandle(req->event_handle);
    }
  }

  if (req->cb) {
    uv__set_sys_error(loop, GET_REQ_SOCK_ERROR(req));
    ((uv_write_cb)req->cb)(req, loop->last_err.code == UV_OK ? 0 : -1);
  }

  handle->write_reqs_pending--;
  if (handle->flags & UV_HANDLE_SHUTTING &&
      handle->write_reqs_pending == 0) {
    uv_want_endgame(loop, (uv_handle_t*)handle);
  }

  DECREASE_PENDING_REQ_COUNT(handle);
  uv_unref(loop);
}
开发者ID:InfamousNugz，项目名称:dnscrypt-proxy，代码行数:30，代码来源:tcp.c

示例6: uv_process_udp_send_req

void uv_process_udp_send_req(uv_loop_t* loop, uv_udp_t* handle,
    uv_udp_send_t* req) {
  assert(handle->type == UV_UDP);

  if (req->cb) {
    if (REQ_SUCCESS(req)) {
      req->cb(req, 0);
    } else {
      uv__set_sys_error(loop, GET_REQ_SOCK_ERROR(req));
      req->cb(req, -1);
    }
  }

  DECREASE_PENDING_REQ_COUNT(handle);
}
开发者ID:Darkie，项目名称:node，代码行数:15，代码来源:udp.c

示例7: uv_process_tcp_accept_req

void uv_process_tcp_accept_req(uv_loop_t* loop, uv_tcp_t* handle,
    uv_req_t* raw_req) {
  uv_tcp_accept_t* req = (uv_tcp_accept_t*) raw_req;
  int err;

  assert(handle->type == UV_TCP);

  /* If handle->accepted_socket is not a valid socket, then */
  /* uv_queue_accept must have failed. This is a serious error. We stop */
  /* accepting connections and report this error to the connection */
  /* callback. */
  if (req->accept_socket == INVALID_SOCKET) {
    if (handle->flags & UV_HANDLE_LISTENING) {
      handle->flags &= ~UV_HANDLE_LISTENING;
      DECREASE_ACTIVE_COUNT(loop, handle);
      if (handle->connection_cb) {
        err = GET_REQ_SOCK_ERROR(req);
        handle->connection_cb((uv_stream_t*)handle,
                              uv_translate_sys_error(err));
      }
    }
  } else if (REQ_SUCCESS(req) &&
      setsockopt(req->accept_socket,
                  SOL_SOCKET,
                  SO_UPDATE_ACCEPT_CONTEXT,
                  (char*)&handle->socket,
                  sizeof(handle->socket)) == 0) {
    req->next_pending = handle->pending_accepts;
    handle->pending_accepts = req;

    /* Accept and SO_UPDATE_ACCEPT_CONTEXT were successful. */
    if (handle->connection_cb) {
      handle->connection_cb((uv_stream_t*)handle, 0);
    }
  } else {
    /* Error related to accepted socket is ignored because the server */
    /* socket may still be healthy. If the server socket is broken */
    /* uv_queue_accept will detect it. */
    closesocket(req->accept_socket);
    req->accept_socket = INVALID_SOCKET;
    if (handle->flags & UV_HANDLE_LISTENING) {
      uv_tcp_queue_accept(handle, req);
    }
  }

  DECREASE_PENDING_REQ_COUNT(handle);
}
开发者ID:flybird119，项目名称:libuv-vc6，代码行数:47，代码来源:tcp.c

示例8: uv_process_udp_send_req

void uv_process_udp_send_req(uv_loop_t* loop, uv_udp_t* handle,
    uv_udp_send_t* req) {
  int err;

  assert(handle->type == UV_UDP);

  UNREGISTER_HANDLE_REQ(loop, handle, req);

  if (req->cb) {
    err = 0;
    if (!REQ_SUCCESS(req)) {
      err = GET_REQ_SOCK_ERROR(req);
    }
    req->cb(req, uv_translate_sys_error(err));
  }

  DECREASE_PENDING_REQ_COUNT(handle);
}
开发者ID:AKIo0O，项目名称:node，代码行数:18，代码来源:udp.c

示例9: uv_process_tcp_write_req

void uv_process_tcp_write_req(uv_loop_t* loop, uv_tcp_t* handle,
    uv_write_t* req) {
  assert(handle->type == UV_TCP);

  handle->write_queue_size -= req->queued_bytes;

  if (req->cb) {
    uv__set_sys_error(loop, GET_REQ_SOCK_ERROR(req));
    ((uv_write_cb)req->cb)(req, loop->last_err.code == UV_OK ? 0 : -1);
  }

  handle->write_reqs_pending--;
  if (handle->flags & UV_HANDLE_SHUTTING &&
      handle->write_reqs_pending == 0) {
    uv_want_endgame(loop, (uv_handle_t*)handle);
  }

  DECREASE_PENDING_REQ_COUNT(handle);
}
开发者ID:MikesUptown，项目名称:node，代码行数:19，代码来源:tcp.c

示例10: uv_process_tcp_write_req

void uv_process_tcp_write_req(uv_loop_t* loop, uv_tcp_t* handle,
    uv_write_t* req) {
  int err;

  assert(handle->type == UV_TCP);

  assert(handle->write_queue_size >= req->u.io.queued_bytes);
  handle->write_queue_size -= req->u.io.queued_bytes;

  UNREGISTER_HANDLE_REQ(loop, handle, req);

  if (handle->flags & UV_HANDLE_EMULATE_IOCP) {
    if (req->wait_handle != INVALID_HANDLE_VALUE) {
      UnregisterWait(req->wait_handle);
      req->wait_handle = INVALID_HANDLE_VALUE;
    }
    if (req->event_handle) {
      CloseHandle(req->event_handle);
      req->event_handle = NULL;
    }
  }

  if (req->cb) {
    err = uv_translate_sys_error(GET_REQ_SOCK_ERROR(req));
    if (err == UV_ECONNABORTED) {
      /* use UV_ECANCELED for consistency with Unix */
      err = UV_ECANCELED;
    }
    req->cb(req, err);
  }

  handle->stream.conn.write_reqs_pending--;
  if (handle->stream.conn.shutdown_req != NULL &&
      handle->stream.conn.write_reqs_pending == 0) {
    uv_want_endgame(loop, (uv_handle_t*)handle);
  }

  DECREASE_PENDING_REQ_COUNT(handle);
}
开发者ID:AlexanderPankiv，项目名称:node，代码行数:39，代码来源:tcp.c

示例11: uv_process_udp_recv_req

void uv_process_udp_recv_req(uv_loop_t* loop, uv_udp_t* handle,
    uv_req_t* req) {
  uv_buf_t buf;
  int partial;

  assert(handle->type == UV_UDP);

  handle->flags &= ~UV_HANDLE_READ_PENDING;

  if (!REQ_SUCCESS(req)) {
    DWORD err = GET_REQ_SOCK_ERROR(req);
    if (err == WSAEMSGSIZE) {
      /* Not a real error, it just indicates that the received packet */
      /* was bigger than the receive buffer. */
    } else if (err == WSAECONNRESET || err == WSAENETRESET) {
      /* A previous sendto operation failed; ignore this error. If */
      /* zero-reading we need to call WSARecv/WSARecvFrom _without_ the */
      /* MSG_PEEK flag to clear out the error queue. For nonzero reads, */
      /* immediately queue a new receive. */
      if (!(handle->flags & UV_HANDLE_ZERO_READ)) {
        goto done;
      }
    } else {
      /* A real error occurred. Report the error to the user only if we're */
      /* currently reading. */
      if (handle->flags & UV_HANDLE_READING) {
        uv__set_sys_error(loop, err);
        uv_udp_recv_stop(handle);
        buf = (handle->flags & UV_HANDLE_ZERO_READ) ?
              uv_buf_init(NULL, 0) : handle->recv_buffer;
        handle->recv_cb(handle, -1, buf, NULL, 0);
      }
      goto done;
    }
  }

  if (!(handle->flags & UV_HANDLE_ZERO_READ)) {
    /* Successful read */
    partial = !REQ_SUCCESS(req);
    handle->recv_cb(handle,
                    req->overlapped.InternalHigh,
                    handle->recv_buffer,
                    (struct sockaddr*) &handle->recv_from,
                    partial ? UV_UDP_PARTIAL : 0);
  } else if (handle->flags & UV_HANDLE_READING) {
    DWORD bytes, err, flags;
    struct sockaddr_storage from;
    int from_len;

    /* Do a nonblocking receive */
    /* TODO: try to read multiple datagrams at once. FIONREAD maybe? */
    buf = handle->alloc_cb((uv_handle_t*) handle, 65536);
    assert(buf.len > 0);

    memset(&from, 0, sizeof from);
    from_len = sizeof from;

    flags = 0;

    if (WSARecvFrom(handle->socket,
                    (WSABUF*)&buf,
                    1,
                    &bytes,
                    &flags,
                    (struct sockaddr*) &from,
                    &from_len,
                    NULL,
                    NULL) != SOCKET_ERROR) {

      /* Message received */
      handle->recv_cb(handle, bytes, buf, (struct sockaddr*) &from, 0);
    } else {
      err = WSAGetLastError();
      if (err == WSAEMSGSIZE) {
        /* Message truncated */
        handle->recv_cb(handle,
                        bytes,
                        buf,
                        (struct sockaddr*) &from,
                        UV_UDP_PARTIAL);
      } if (err == WSAEWOULDBLOCK) {
        /* Kernel buffer empty */
        uv__set_sys_error(loop, WSAEWOULDBLOCK);
        handle->recv_cb(handle, 0, buf, NULL, 0);
      } else if (err != WSAECONNRESET && err != WSAENETRESET) {
        /* Serious error. WSAECONNRESET/WSANETRESET is ignored because this */
        /* just indicates that a previous sendto operation failed. */
        uv_udp_recv_stop(handle);
        uv__set_sys_error(loop, err);
        handle->recv_cb(handle, -1, buf, NULL, 0);
      }
    }
  }

done:
  /* Post another read if still reading and not closing. */
  if ((handle->flags & UV_HANDLE_READING) &&
      !(handle->flags & UV_HANDLE_READ_PENDING)) {
    uv_udp_queue_recv(loop, handle);
  }
//.........这里部分代码省略.........
开发者ID:Ankso，项目名称:node，代码行数:101，代码来源:udp.c

示例12: uv_process_tcp_read_req

void uv_process_tcp_read_req(uv_loop_t* loop, uv_tcp_t* handle,
    uv_req_t* req) {
  DWORD bytes, flags, err;
  uv_buf_t buf;

  assert(handle->type == UV_TCP);

  handle->flags &= ~UV_HANDLE_READ_PENDING;

  if (!REQ_SUCCESS(req)) {
    /* An error occurred doing the read. */
    if ((handle->flags & UV_HANDLE_READING) ||
        !(handle->flags & UV_HANDLE_ZERO_READ)) {
      handle->flags &= ~UV_HANDLE_READING;
      DECREASE_ACTIVE_COUNT(loop, handle);
      buf = (handle->flags & UV_HANDLE_ZERO_READ) ?
            uv_buf_init(NULL, 0) : handle->read_buffer;

      err = GET_REQ_SOCK_ERROR(req);

      if (err == WSAECONNABORTED) {
        /*
         * Turn WSAECONNABORTED into UV_ECONNRESET to be consistent with Unix.
         */
        err = WSAECONNRESET;
      }

      handle->read_cb((uv_stream_t*)handle,
                      uv_translate_sys_error(err),
                      &buf);
    }
  } else {
    if (!(handle->flags & UV_HANDLE_ZERO_READ)) {
      /* The read was done with a non-zero buffer length. */
      if (req->overlapped.InternalHigh > 0) {
        /* Successful read */
        handle->read_cb((uv_stream_t*)handle,
                        req->overlapped.InternalHigh,
                        &handle->read_buffer);
        /* Read again only if bytes == buf.len */
        if (req->overlapped.InternalHigh < handle->read_buffer.len) {
          goto done;
        }
      } else {
        /* Connection closed */
        if (handle->flags & UV_HANDLE_READING) {
          handle->flags &= ~UV_HANDLE_READING;
          DECREASE_ACTIVE_COUNT(loop, handle);
        }
        handle->flags &= ~UV_HANDLE_READABLE;

        buf.base = 0;
        buf.len = 0;
        handle->read_cb((uv_stream_t*)handle, UV_EOF, &handle->read_buffer);
        goto done;
      }
    }

    /* Do nonblocking reads until the buffer is empty */
    while (handle->flags & UV_HANDLE_READING) {
      handle->alloc_cb((uv_handle_t*) handle, 65536, &buf);
      if (buf.len == 0) {
        handle->read_cb((uv_stream_t*) handle, UV_ENOBUFS, &buf);
        break;
      }
      assert(buf.base != NULL);

      flags = 0;
      if (WSARecv(handle->socket,
                  (WSABUF*)&buf,
                  1,
                  &bytes,
                  &flags,
                  NULL,
                  NULL) != SOCKET_ERROR) {
        if (bytes > 0) {
          /* Successful read */
          handle->read_cb((uv_stream_t*)handle, bytes, &buf);
          /* Read again only if bytes == buf.len */
          if (bytes < buf.len) {
            break;
          }
        } else {
          /* Connection closed */
          handle->flags &= ~(UV_HANDLE_READING | UV_HANDLE_READABLE);
          DECREASE_ACTIVE_COUNT(loop, handle);

          handle->read_cb((uv_stream_t*)handle, UV_EOF, &buf);
          break;
        }
      } else {
        err = WSAGetLastError();
        if (err == WSAEWOULDBLOCK) {
          /* Read buffer was completely empty, report a 0-byte read. */
          handle->read_cb((uv_stream_t*)handle, 0, &buf);
        } else {
          /* Ouch! serious error. */
          handle->flags &= ~UV_HANDLE_READING;
          DECREASE_ACTIVE_COUNT(loop, handle);

//.........这里部分代码省略.........
开发者ID:flybird119，项目名称:libuv-vc6，代码行数:101，代码来源:tcp.c

示例13: uv_process_tcp_read_req

void uv_process_tcp_read_req(uv_loop_t* loop, uv_tcp_t* handle,
    uv_req_t* req) {
  DWORD bytes, flags, err;
  uv_buf_t buf;

  assert(handle->type == UV_TCP);

  handle->flags &= ~UV_HANDLE_READ_PENDING;

  if (!REQ_SUCCESS(req)) {
    /* An error occurred doing the read. */
    if ((handle->flags & UV_HANDLE_READING)) {
      handle->flags &= ~UV_HANDLE_READING;
      uv__set_sys_error(loop, GET_REQ_SOCK_ERROR(req));
      buf = (handle->flags & UV_HANDLE_ZERO_READ) ?
            uv_buf_init(NULL, 0) : handle->read_buffer;
      handle->read_cb((uv_stream_t*)handle, -1, buf);
    }
  } else {
    if (!(handle->flags & UV_HANDLE_ZERO_READ)) {
      /* The read was done with a non-zero buffer length. */
      if (req->overlapped.InternalHigh > 0) {
        /* Successful read */
        handle->read_cb((uv_stream_t*)handle,
                        req->overlapped.InternalHigh,
                        handle->read_buffer);
        /* Read again only if bytes == buf.len */
        if (req->overlapped.InternalHigh < handle->read_buffer.len) {
          goto done;
        }
      } else {
        /* Connection closed */
        handle->flags &= ~UV_HANDLE_READING;
        handle->flags |= UV_HANDLE_EOF;
        uv__set_error(loop, UV_EOF, ERROR_SUCCESS);
        buf.base = 0;
        buf.len = 0;
        handle->read_cb((uv_stream_t*)handle, -1, handle->read_buffer);
        goto done;
      }
    }

    /* Do nonblocking reads until the buffer is empty */
    while (handle->flags & UV_HANDLE_READING) {
      buf = handle->alloc_cb((uv_handle_t*) handle, 65536);
      assert(buf.len > 0);
      flags = 0;
      if (WSARecv(handle->socket,
                  (WSABUF*)&buf,
                  1,
                  &bytes,
                  &flags,
                  NULL,
                  NULL) != SOCKET_ERROR) {
        if (bytes > 0) {
          /* Successful read */
          handle->read_cb((uv_stream_t*)handle, bytes, buf);
          /* Read again only if bytes == buf.len */
          if (bytes < buf.len) {
            break;
          }
        } else {
          /* Connection closed */
          handle->flags &= ~UV_HANDLE_READING;
          handle->flags |= UV_HANDLE_EOF;
          uv__set_error(loop, UV_EOF, ERROR_SUCCESS);
          handle->read_cb((uv_stream_t*)handle, -1, buf);
          break;
        }
      } else {
        err = WSAGetLastError();
        if (err == WSAEWOULDBLOCK) {
          /* Read buffer was completely empty, report a 0-byte read. */
          uv__set_sys_error(loop, WSAEWOULDBLOCK);
          handle->read_cb((uv_stream_t*)handle, 0, buf);
        } else {
          /* Ouch! serious error. */
          uv__set_sys_error(loop, err);
          handle->flags &= ~UV_HANDLE_READING;
          handle->read_cb((uv_stream_t*)handle, -1, buf);
        }
        break;
      }
    }

done:
    /* Post another read if still reading and not closing. */
    if ((handle->flags & UV_HANDLE_READING) &&
        !(handle->flags & UV_HANDLE_READ_PENDING)) {
      uv_tcp_queue_read(loop, handle);
    }
  }

  DECREASE_PENDING_REQ_COUNT(handle);
}
开发者ID:MikesUptown，项目名称:node，代码行数:95，代码来源:tcp.c

示例14: uv_process_udp_recv_req

void uv_process_udp_recv_req(uv_loop_t* loop, uv_udp_t* handle,
    uv_req_t* req) {
  uv_buf_t buf;
  int partial;

  assert(handle->type == UV_UDP);

  handle->flags &= ~UV_HANDLE_READ_PENDING;

  if (!REQ_SUCCESS(req) &&
      GET_REQ_STATUS(req) != STATUS_RECEIVE_EXPEDITED) {
    /* An error occurred doing the read. */
    if ((handle->flags & UV_HANDLE_READING)) {
      uv__set_sys_error(loop, GET_REQ_SOCK_ERROR(req));      
      uv_udp_recv_stop(handle);
#if 0
      buf = (handle->flags & UV_HANDLE_ZERO_READ) ?
            uv_buf_init(NULL, 0) : handle->recv_buffer;
#else
      buf = handle->recv_buffer;
#endif
      handle->recv_cb(handle, -1, buf, NULL, 0);
    }
    goto done;
  }

#if 0
  if (!(handle->flags & UV_HANDLE_ZERO_READ)) {
#endif
    /* Successful read */
    partial = (GET_REQ_STATUS(req) == STATUS_RECEIVE_EXPEDITED);
    handle->recv_cb(handle,
                    req->overlapped.InternalHigh,
                    handle->recv_buffer,
                    (struct sockaddr*) &handle->recv_from,
                    partial ? UV_UDP_PARTIAL : 0);
#if 0
  } else {
    DWORD bytes, err, flags;
    struct sockaddr_storage from;
    int from_len;

    /* Do a nonblocking receive */
    /* TODO: try to read multiple datagrams at once. FIONREAD maybe? */
    buf = handle->alloc_cb((uv_handle_t*) handle, 65536);
    assert(buf.len > 0);

    memset(&from, 0, sizeof from);
    from_len = sizeof from;
    flags = MSG_PARTIAL;

    if (WSARecvFrom(handle->socket,
                    (WSABUF*)&buf,
                    1,
                    &bytes,
                    &flags,
                    (struct sockaddr*) &from,
                    &from_len,
                    NULL,
                    NULL) != SOCKET_ERROR) {

      /* Message received */
      handle->recv_cb(handle,
                      bytes,
                      buf,
                      (struct sockaddr*) &from,
                        (flags & MSG_PARTIAL) ? UV_UDP_PARTIAL : 0);
    } else {
      err = WSAGetLastError();
      if (err == WSAEWOULDBLOCK) {
        uv__set_sys_error(loop, WSAEWOULDBLOCK);
        handle->recv_cb(handle, 0, buf, NULL, 0);
      } else {
        /* Ouch! serious error. */
        uv__set_sys_error(loop, err);
        handle->recv_cb(handle, -1, buf, NULL, 0);
      }
    }
  }
#endif

done:
  /* Post another read if still reading and not closing. */
  if ((handle->flags & UV_HANDLE_READING) &&
      !(handle->flags & UV_HANDLE_READ_PENDING)) {
    uv_udp_queue_recv(loop, handle);
  }

  DECREASE_PENDING_REQ_COUNT(handle);
}
开发者ID:Darkie，项目名称:node，代码行数:90，代码来源:udp.c


注：本文中的GET_REQ_SOCK_ERROR函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。