Jim Flynn
/
aws-iot-device-sdk-mbed-c
Changes to enabled on-line compiler
Diff: src/aws_iot_jobs_json.c
- Revision:
- 0:082731ede69f
diff -r 000000000000 -r 082731ede69f src/aws_iot_jobs_json.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/aws_iot_jobs_json.c Wed May 30 20:59:51 2018 +0000 @@ -0,0 +1,197 @@ +/* +* Copyright 2015-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved. +* +* Licensed under the Apache License, Version 2.0 (the "License"). +* You may not use this file except in compliance with the License. +* A copy of the License is located at +* +* http://aws.amazon.com/apache2.0 +* +* or in the "license" file accompanying this file. This file is distributed +* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either +* express or implied. See the License for the specific language governing +* permissions and limitations under the License. +*/ + +#ifdef __cplusplus +extern "C" { +#endif + +#define __STDC_FORMAT_MACROS +#include <string.h> +#include <stdbool.h> +#include <stdlib.h> +#include <stddef.h> +#include <stdio.h> +#include <stdarg.h> + +#include "jsmn.h" +#include "aws_iot_jobs_json.h" + +struct _SerializeState { + int totalSize; + char *nextPtr; + size_t remaingSize; +}; + +static void _printToBuffer(struct _SerializeState *state, const char *fmt, ...) { + if (state->totalSize == -1) return; + + va_list vl; + va_start(vl, fmt); + int len = vsnprintf(state->nextPtr, state->remaingSize, fmt, vl); + if (len < 0) { + state->totalSize = -1; + } else { + state->totalSize += len; + if (state->nextPtr != NULL) { + if (state->remaingSize > (size_t) len) { + state->remaingSize -= (size_t) len; + state->nextPtr += len; + } else { + state->remaingSize = 0; + state->nextPtr = NULL; + } + } + } + va_end(vl); +} + +static void _printKey(struct _SerializeState *state, bool first, const char *key) { + if (first) { + _printToBuffer(state, "{\"%s\":", key); + } else { + _printToBuffer(state, ",\"%s\":", key); + } +} + +static void _printStringValue(struct _SerializeState *state, const char *value) { + if (value == NULL) { + _printToBuffer(state, "null"); + } else { + _printToBuffer(state, "\"%s\"", value); + } +} + +static void _printLongValue(struct _SerializeState *state, int64_t value) { + _printToBuffer(state, "%lld", value); +} + +static void _printBooleanValue(struct _SerializeState *state, bool value) { + if(value) { + _printToBuffer(state, "true"); + } else { + _printToBuffer(state, "false"); + } +} + +int aws_iot_jobs_json_serialize_update_job_execution_request( + char *requestBuffer, size_t bufferSize, + const AwsIotJobExecutionUpdateRequest *request) +{ + const char *statusStr = aws_iot_jobs_map_status_to_string(request->status); + if (statusStr == NULL) return -1; + if (requestBuffer == NULL) bufferSize = 0; + + struct _SerializeState state = { 0, requestBuffer, bufferSize }; + _printKey(&state, true, "status"); + _printStringValue(&state, statusStr); + if (request->statusDetails != NULL) { + _printKey(&state, false, "statusDetails"); + _printToBuffer(&state, "%s", request->statusDetails); + } + if (request->executionNumber != 0) { + _printKey(&state, false, "executionNumber"); + _printLongValue(&state, request->executionNumber); + } + if (request->expectedVersion != 0) { + _printKey(&state, false, "expectedVersion"); + _printLongValue(&state, request->expectedVersion); + } + if (request->includeJobExecutionState) { + _printKey(&state, false, "includeJobExecutionState"); + _printBooleanValue(&state, request->includeJobExecutionState); + } + if (request->includeJobDocument) { + _printKey(&state, false, "includeJobDocument"); + _printBooleanValue(&state, request->includeJobDocument); + } + if (request->clientToken != NULL) { + _printKey(&state, false, "clientToken"); + _printStringValue(&state, request->clientToken); + } + + _printToBuffer(&state, "}"); + + return state.totalSize; +} + +int aws_iot_jobs_json_serialize_client_token_only_request( + char *requestBuffer, size_t bufferSize, + const char *clientToken) +{ + struct _SerializeState state = { 0, requestBuffer, bufferSize }; + _printKey(&state, true, "clientToken"); + _printStringValue(&state, clientToken); + _printToBuffer(&state, "}"); + + return state.totalSize; +} + +int aws_iot_jobs_json_serialize_describe_job_execution_request( + char *requestBuffer, size_t bufferSize, + const AwsIotDescribeJobExecutionRequest *request) +{ + bool first = true; + + if (requestBuffer == NULL) return 0; + + struct _SerializeState state = { 0, requestBuffer, bufferSize }; + if (request->clientToken != NULL) { + _printKey(&state, first, "clientToken"); + _printStringValue(&state, request->clientToken); + first = false; + } + if (request->executionNumber != 0) { + _printKey(&state, first, "executionNumber"); + _printLongValue(&state, request->executionNumber); + first = false; + } + if (request->includeJobDocument) { + _printKey(&state, first, "includeJobDocument"); + _printBooleanValue(&state, request->includeJobDocument); + } + + _printToBuffer(&state, "}"); + + return state.totalSize; +} + +int aws_iot_jobs_json_serialize_start_next_job_execution_request( + char *requestBuffer, size_t bufferSize, + const AwsIotStartNextPendingJobExecutionRequest *request) +{ + if (requestBuffer == NULL) bufferSize = 0; + struct _SerializeState state = { 0, requestBuffer, bufferSize }; + if (request->statusDetails != NULL) { + _printKey(&state, true, "statusDetails"); + _printToBuffer(&state, "%s", request->statusDetails); + } + if (request->clientToken != NULL) { + if(request->statusDetails != NULL) { + _printKey(&state, false, "clientToken"); + } else { + _printKey(&state, true, "clientToken"); + } + _printStringValue(&state, request->clientToken); + } + if (request->clientToken == NULL && request->statusDetails == NULL) { + _printToBuffer(&state, "{"); + } + _printToBuffer(&state, "}"); + return state.totalSize; +} + +#ifdef __cplusplus +} +#endif