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158 lines
5.1 KiB
158 lines
5.1 KiB
/**************************************************************************** |
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* graphics/nxmu/nxmu_sendserver.c |
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* |
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* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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/**************************************************************************** |
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* Included Files |
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****************************************************************************/ |
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#include <nuttx/config.h> |
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#include <mqueue.h> |
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#include <errno.h> |
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#include <debug.h> |
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#include "nxfe.h" |
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/**************************************************************************** |
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* Pre-Processor Definitions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Types |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Data |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Data |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Name: nxmu_sendwindow |
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* |
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* Description: |
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* Send a message to the server detined for a specific window at |
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* NX_SVRMSG_PRIO priority |
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* |
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* Input Parameters: |
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* wnd - A pointer to the back-end window structure |
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* msg - A pointer to the message to send |
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* msglen - The length of the message in bytes. |
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* |
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* Return: |
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* OK on success; ERROR on failure with errno set appropriately |
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* |
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****************************************************************************/ |
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int nxmu_sendwindow(FAR struct nxbe_window_s *wnd, FAR const void *msg, |
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size_t msglen) |
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{ |
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int ret = OK; |
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/* Sanity checking */ |
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#ifdef CONFIG_DEBUG |
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if (!wnd || !wnd->conn) |
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{ |
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errno = EINVAL; |
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return ERROR; |
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} |
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#endif |
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/* Ignore messages destined to a blocked window (no errors reported) */ |
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if (!NXBE_ISBLOCKED(wnd)) |
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{ |
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/* Send the message to the server */ |
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ret = nxmu_sendserver(wnd->conn, msg, msglen); |
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} |
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return ret; |
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} |
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/**************************************************************************** |
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* Name: nxmu_sendclientwindow |
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* |
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* Description: |
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* Send a message to the client at NX_CLIMSG_PRIO priority |
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* |
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* Input Parameters: |
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* wnd - A pointer to the back-end window structure |
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* msg - A pointer to the message to send |
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* msglen - The length of the message in bytes. |
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* |
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* Return: |
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* OK on success; ERROR on failure with errno set appropriately |
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* |
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****************************************************************************/ |
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int nxmu_sendclientwindow(FAR struct nxbe_window_s *wnd, FAR const void *msg, |
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size_t msglen) |
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{ |
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int ret = OK; |
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/* Sanity checking */ |
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#ifdef CONFIG_DEBUG |
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if (!wnd || !wnd->conn) |
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{ |
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errno = EINVAL; |
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return ERROR; |
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} |
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#endif |
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/* Ignore messages destined to a blocked window (no errors reported) */ |
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if (!NXBE_ISBLOCKED(wnd)) |
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{ |
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/* Send the message to the server */ |
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ret = nxmu_sendclient(wnd->conn, msg, msglen); |
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} |
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return ret; |
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} |
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