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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License 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.
*/
#include <stdlib.h>
#include <arrow-glib/arrow-glib.h>
static GArrowSchema *
build_schema(void)
{
GList *fields = NULL;
GArrowBooleanDataType *boolean_data_type = garrow_boolean_data_type_new();
fields =
g_list_append(fields,
garrow_field_new("boolean", GARROW_DATA_TYPE(boolean_data_type)));
GArrowInt32DataType *int32_data_type = garrow_int32_data_type_new();
fields =
g_list_append(fields, garrow_field_new("int32", GARROW_DATA_TYPE(int32_data_type)));
GArrowSchema *schema = garrow_schema_new(fields);
g_list_free_full(fields, g_object_unref);
return schema;
}
static GArrowRecordBatch *
build_record_batch(void)
{
GArrowSchema *schema = build_schema();
if (!schema) {
return NULL;
}
GError *error = NULL;
GArrowRecordBatchBuilder *builder = garrow_record_batch_builder_new(schema, &error);
g_object_unref(schema);
if (!builder) {
g_print("failed to build record batch builder: %s\n", error->message);
g_error_free(error);
return NULL;
}
const gint64 n_records = 3;
GArrowBooleanArrayBuilder *boolean_builder = GARROW_BOOLEAN_ARRAY_BUILDER(
garrow_record_batch_builder_get_column_builder(builder, 0));
gboolean boolean_values[] = {TRUE, TRUE, FALSE};
gboolean boolean_is_valids[] = {TRUE, FALSE, TRUE};
if (!garrow_boolean_array_builder_append_values(boolean_builder,
boolean_values,
n_records,
boolean_is_valids,
n_records,
&error)) {
g_print("failed to append boolean values: %s\n", error->message);
g_error_free(error);
g_object_unref(boolean_builder);
g_object_unref(builder);
return NULL;
}
GArrowInt32ArrayBuilder *int32_builder = GARROW_INT32_ARRAY_BUILDER(
garrow_record_batch_builder_get_column_builder(builder, 1));
gint32 int32_values[] = {1, 11, 111};
gint32 int32_is_valids[] = {FALSE, TRUE, TRUE};
if (!garrow_int32_array_builder_append_values(int32_builder,
int32_values,
n_records,
int32_is_valids,
n_records,
&error)) {
g_print("failed to append int32 values: %s\n", error->message);
g_error_free(error);
g_object_unref(int32_builder);
g_object_unref(builder);
return NULL;
}
GArrowRecordBatch *record_batch = garrow_record_batch_builder_flush(builder, &error);
if (!record_batch) {
g_print("failed to build record batch: %s\n", error->message);
g_error_free(error);
g_object_unref(builder);
return NULL;
}
g_object_unref(builder);
return record_batch;
}
int
main(int argc, char **argv)
{
if (argc != 2) {
g_print("Usage: %s PORT\n", argv[0]);
g_print(" e.g.: %s 2929\n", argv[0]);
return EXIT_FAILURE;
}
guint port = atoi(argv[1]);
GSocketClient *client = g_socket_client_new();
GSocketAddress *address = g_inet_socket_address_new_from_string("127.0.0.1", port);
GError *error = NULL;
GSocketConnection *connection =
g_socket_client_connect(client, G_SOCKET_CONNECTABLE(address), NULL, &error);
if (!connection) {
g_print("failed to connect: %s\n", error->message);
g_error_free(error);
return EXIT_FAILURE;
}
GArrowSchema *schema = build_schema();
if (!schema) {
return EXIT_FAILURE;
}
GArrowGIOOutputStream *output =
garrow_gio_output_stream_new(g_io_stream_get_output_stream(G_IO_STREAM(connection)));
GArrowRecordBatchStreamWriter *writer =
garrow_record_batch_stream_writer_new(GARROW_OUTPUT_STREAM(output), schema, &error);
g_object_unref(schema);
if (!writer) {
g_print("failed to create writer: %s\n", error->message);
g_error_free(error);
g_object_unref(output);
g_object_unref(connection);
g_object_unref(client);
return EXIT_FAILURE;
}
gsize n_record_batches = 5;
gsize i;
for (i = 0; i < n_record_batches; i++) {
GArrowRecordBatch *record_batch = build_record_batch();
if (!record_batch) {
g_object_unref(writer);
g_object_unref(output);
g_object_unref(connection);
g_object_unref(client);
return EXIT_FAILURE;
}
gboolean success =
garrow_record_batch_writer_write_record_batch(GARROW_RECORD_BATCH_WRITER(writer),
record_batch,
&error);
g_object_unref(record_batch);
if (!success) {
g_print("failed to write record batch: %s\n", error->message);
g_error_free(error);
g_object_unref(output);
g_object_unref(connection);
g_object_unref(client);
return EXIT_FAILURE;
}
}
g_object_unref(writer);
g_object_unref(output);
g_object_unref(connection);
g_object_unref(client);
return EXIT_SUCCESS;
}
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