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365aa41212
Move common helpers related to "diag clients" into a "Diagnostics Monitor" implementation. This becomes necessary in order to support non-HDLC encoding between the DM and device transparently to the rest of the implementation. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/*
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* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
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* Copyright (c) 2016-2018, Linaro Ltd.
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* All rights reserved.
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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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN 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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#include <stdlib.h>
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#include "diag.h"
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#include "dm.h"
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/**
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* DOC: Diagnostic Monitor
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*/
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struct list_head diag_clients = LIST_INIT(diag_clients);
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/**
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* dm_add() - register new DM
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* @dm: DM object to register
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*/
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void dm_add(struct diag_client *dm)
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{
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list_add(&diag_clients, &dm->node);
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}
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/**
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* dm_send() - enqueue message to DM
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* @dm: dm to be receiving the message
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* @ptr: pointer to raw message to be sent
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* @len: length of message
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*/
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ssize_t dm_send(struct diag_client *dm, const void *ptr, size_t len)
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{
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hdlc_enqueue(&dm->outq, ptr, len);
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return 0;
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}
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/**
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* dm_broadcast() - send message to all registered DMs
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* @ptr: pointer to raw message to be sent
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* @len: length of message
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*/
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void dm_broadcast(const void *ptr, size_t len)
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{
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struct diag_client *dm;
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struct list_head *item;
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list_for_each(item, &diag_clients) {
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dm = container_of(item, struct diag_client, node);
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hdlc_enqueue(&dm->outq, ptr, len);
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}
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}
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