diff options
Diffstat (limited to 'exporting/aws_kinesis/aws_kinesis_put_record.cc')
-rw-r--r-- | exporting/aws_kinesis/aws_kinesis_put_record.cc | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/exporting/aws_kinesis/aws_kinesis_put_record.cc b/exporting/aws_kinesis/aws_kinesis_put_record.cc new file mode 100644 index 0000000..62c6b03 --- /dev/null +++ b/exporting/aws_kinesis/aws_kinesis_put_record.cc @@ -0,0 +1,151 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include <aws/core/Aws.h> +#include <aws/core/client/ClientConfiguration.h> +#include <aws/core/auth/AWSCredentials.h> +#include <aws/core/utils/Outcome.h> +#include <aws/kinesis/KinesisClient.h> +#include <aws/kinesis/model/PutRecordRequest.h> +#include "aws_kinesis_put_record.h" + +using namespace Aws; + +static SDKOptions options; + +struct request_outcome { + Kinesis::Model::PutRecordOutcomeCallable future_outcome; + size_t data_len; +}; + +/** + * Initialize AWS SDK API + */ +void aws_sdk_init() +{ + InitAPI(options); +} + +/** + * Shutdown AWS SDK API + */ +void aws_sdk_shutdown() +{ + ShutdownAPI(options); +} + +/** + * Initialize a client and a data structure for request outcomes + * + * @param kinesis_specific_data_p a pointer to a structure with client and request outcome information. + * @param region AWS region. + * @param access_key_id AWS account access key ID. + * @param secret_key AWS account secret access key. + * @param timeout communication timeout. + */ +void kinesis_init( + void *kinesis_specific_data_p, const char *region, const char *access_key_id, const char *secret_key, + const long timeout) +{ + struct aws_kinesis_specific_data *kinesis_specific_data = + (struct aws_kinesis_specific_data *)kinesis_specific_data_p; + + Client::ClientConfiguration config; + + config.region = region; + config.requestTimeoutMs = timeout; + config.connectTimeoutMs = timeout; + + Kinesis::KinesisClient *client; + + if (access_key_id && *access_key_id && secret_key && *secret_key) { + client = New<Kinesis::KinesisClient>("client", Auth::AWSCredentials(access_key_id, secret_key), config); + } else { + client = New<Kinesis::KinesisClient>("client", config); + } + kinesis_specific_data->client = (void *)client; + + Vector<request_outcome> *request_outcomes; + + request_outcomes = new Vector<request_outcome>; + kinesis_specific_data->request_outcomes = (void *)request_outcomes; +} + +/** + * Deallocate Kinesis specific data + * + * @param kinesis_specific_data_p a pointer to a structure with client and request outcome information. + */ +void kinesis_shutdown(void *kinesis_specific_data_p) +{ + struct aws_kinesis_specific_data *kinesis_specific_data = + (struct aws_kinesis_specific_data *)kinesis_specific_data_p; + + Delete((Kinesis::KinesisClient *)kinesis_specific_data->client); + delete (Vector<request_outcome> *)kinesis_specific_data->request_outcomes; +} + +/** + * Send data to the Kinesis service + * + * @param kinesis_specific_data_p a pointer to a structure with client and request outcome information. + * @param stream_name the name of a stream to send to. + * @param partition_key a partition key which automatically maps data to a specific stream. + * @param data a data buffer to send to the stream. + * @param data_len the length of the data buffer. + */ +void kinesis_put_record( + void *kinesis_specific_data_p, const char *stream_name, const char *partition_key, const char *data, + size_t data_len) +{ + struct aws_kinesis_specific_data *kinesis_specific_data = + (struct aws_kinesis_specific_data *)kinesis_specific_data_p; + Kinesis::Model::PutRecordRequest request; + + request.SetStreamName(stream_name); + request.SetPartitionKey(partition_key); + request.SetData(Utils::ByteBuffer((unsigned char *)data, data_len)); + + ((Vector<request_outcome> *)(kinesis_specific_data->request_outcomes))->push_back( + { ((Kinesis::KinesisClient *)(kinesis_specific_data->client))->PutRecordCallable(request), data_len }); +} + +/** + * Get results from service responses + * + * @param request_outcomes_p request outcome information. + * @param error_message report error message to a caller. + * @param sent_bytes report to a caller how many bytes was successfully sent. + * @param lost_bytes report to a caller how many bytes was lost during transmission. + * @return Returns 0 if all data was sent successfully, 1 when data was lost on transmission + */ +int kinesis_get_result(void *request_outcomes_p, char *error_message, size_t *sent_bytes, size_t *lost_bytes) +{ + Vector<request_outcome> *request_outcomes = (Vector<request_outcome> *)request_outcomes_p; + Kinesis::Model::PutRecordOutcome outcome; + *sent_bytes = 0; + *lost_bytes = 0; + + for (auto request_outcome = request_outcomes->begin(); request_outcome != request_outcomes->end();) { + std::future_status status = request_outcome->future_outcome.wait_for(std::chrono::microseconds(100)); + + if (status == std::future_status::ready || status == std::future_status::deferred) { + outcome = request_outcome->future_outcome.get(); + *sent_bytes += request_outcome->data_len; + + if (!outcome.IsSuccess()) { + *lost_bytes += request_outcome->data_len; + outcome.GetError().GetMessage().copy(error_message, ERROR_LINE_MAX); + } + + request_outcomes->erase(request_outcome); + } else { + ++request_outcome; + } + } + + if (*lost_bytes) { + return 1; + } + + return 0; +} |