397b2a71fa
Currently, when socket errors occur during receive, the LwM2M engine restarts the state machine and registers again to the server. While this works in simple use case (only RD client socket open), it's not a valid approach when more sockets are open (FW update socket). Fix this by introducing socket fault callback, which is registered by the LwM2M engine users. This way, a proper socket owner is notified on error and can pertake appropriate action. For RD socket errors the behaviour remains the same - the state machine is reset and the client registers again to the server. For FW update socket, handle the error by reopening the socket and retransmitting the last request. This allows to resume the download from the point the error occured, w/o a need to start from scratch. Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
49 lines
1.9 KiB
C
49 lines
1.9 KiB
C
/*
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* Copyright (c) 2017 Linaro Limited
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* Copyright (c) 2018-2019 Foundries.io
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/*
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* Copyright (c) 2016, SICS Swedish ICT AB.
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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
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* are met:
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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 the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER 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 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* 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
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LWM2M_RD_CLIENT_H
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#define LWM2M_RD_CLIENT_H
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void engine_trigger_update(bool update_objects);
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#if defined(CONFIG_LWM2M_RD_CLIENT_SUPPORT_BOOTSTRAP)
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void engine_bootstrap_finish(void);
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#endif
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void engine_update_tx_time(void);
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#endif /* LWM2M_RD_CLIENT_H */
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