Marco Zecchini
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Example_RTOS
Rtos API example
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sn_coap_header_check.c
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00001 /* 00002 * Copyright (c) 2011-2015 ARM Limited. All rights reserved. 00003 * SPDX-License-Identifier: Apache-2.0 00004 * Licensed under the Apache License, Version 2.0 (the License); you may 00005 * not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an AS IS BASIS, WITHOUT 00012 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 /** 00018 * \file sn_coap_header_check.c 00019 * 00020 * \brief CoAP Header validity checker 00021 * 00022 * Functionality: Checks validity of CoAP Header 00023 * 00024 */ 00025 00026 /* * * * INCLUDE FILES * * * */ 00027 #include "ns_types.h" 00028 #include "mbed-coap/sn_coap_header.h" 00029 #include "mbed-coap/sn_coap_protocol.h" 00030 #include "sn_coap_header_internal.h" 00031 #include "sn_coap_protocol_internal.h" 00032 #include "mbed-trace/mbed_trace.h" 00033 00034 #define TRACE_GROUP "coap" 00035 00036 /** 00037 * \fn int8_t sn_coap_header_validity_check(sn_coap_hdr_s *src_coap_msg_ptr, coap_version_e coap_version) 00038 * 00039 * \brief Checks validity of given Header 00040 * 00041 * \param *src_coap_msg_ptr is source for building Packet data 00042 * \param coap_version is version of used CoAP specification 00043 * 00044 * \return Return value is status of validity check. In ok cases 0 and in 00045 * failure cases -1 00046 */ 00047 int8_t sn_coap_header_validity_check(sn_coap_hdr_s *src_coap_msg_ptr, coap_version_e coap_version) 00048 { 00049 /* * Check validity of CoAP Version * */ 00050 if (coap_version != COAP_VERSION_1) { 00051 return -1; 00052 } 00053 00054 /* * Check validity of Message type * */ 00055 switch (src_coap_msg_ptr->msg_type) { 00056 case COAP_MSG_TYPE_CONFIRMABLE: 00057 case COAP_MSG_TYPE_NON_CONFIRMABLE: 00058 case COAP_MSG_TYPE_ACKNOWLEDGEMENT: 00059 case COAP_MSG_TYPE_RESET: 00060 break; /* Ok cases */ 00061 default: 00062 tr_error("sn_coap_header_validity_check - unknown message type!"); 00063 return -1; /* Failed case */ 00064 } 00065 00066 /* * Check validity of Message code * */ 00067 switch (src_coap_msg_ptr->msg_code) { 00068 case COAP_MSG_CODE_EMPTY: 00069 case COAP_MSG_CODE_REQUEST_GET: 00070 case COAP_MSG_CODE_REQUEST_POST: 00071 case COAP_MSG_CODE_REQUEST_PUT: 00072 case COAP_MSG_CODE_REQUEST_DELETE: 00073 case COAP_MSG_CODE_RESPONSE_CREATED: 00074 case COAP_MSG_CODE_RESPONSE_DELETED: 00075 case COAP_MSG_CODE_RESPONSE_VALID: 00076 case COAP_MSG_CODE_RESPONSE_CHANGED: 00077 case COAP_MSG_CODE_RESPONSE_CONTENT: 00078 case COAP_MSG_CODE_RESPONSE_BAD_REQUEST: 00079 case COAP_MSG_CODE_RESPONSE_UNAUTHORIZED: 00080 case COAP_MSG_CODE_RESPONSE_BAD_OPTION: 00081 case COAP_MSG_CODE_RESPONSE_FORBIDDEN: 00082 case COAP_MSG_CODE_RESPONSE_NOT_FOUND: 00083 case COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED: 00084 case COAP_MSG_CODE_RESPONSE_NOT_ACCEPTABLE: 00085 case COAP_MSG_CODE_RESPONSE_REQUEST_ENTITY_INCOMPLETE: 00086 case COAP_MSG_CODE_RESPONSE_PRECONDITION_FAILED: 00087 case COAP_MSG_CODE_RESPONSE_REQUEST_ENTITY_TOO_LARGE: 00088 case COAP_MSG_CODE_RESPONSE_UNSUPPORTED_CONTENT_FORMAT: 00089 case COAP_MSG_CODE_RESPONSE_INTERNAL_SERVER_ERROR: 00090 case COAP_MSG_CODE_RESPONSE_NOT_IMPLEMENTED: 00091 case COAP_MSG_CODE_RESPONSE_BAD_GATEWAY: 00092 case COAP_MSG_CODE_RESPONSE_SERVICE_UNAVAILABLE: 00093 case COAP_MSG_CODE_RESPONSE_GATEWAY_TIMEOUT: 00094 case COAP_MSG_CODE_RESPONSE_PROXYING_NOT_SUPPORTED: 00095 case COAP_MSG_CODE_RESPONSE_CONTINUE: 00096 break; /* Ok cases */ 00097 default: 00098 tr_error("sn_coap_header_validity_check - unknown message code!"); 00099 return -1; /* Failed case */ 00100 } 00101 00102 /* Success */ 00103 return 0; 00104 }
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