static int test_enum(void)
{
enum avro_languages {
AVRO_C,
AVRO_CPP,
AVRO_PYTHON,
AVRO_RUBY,
AVRO_JAVA
};
avro_schema_t schema = avro_schema_enum("language");
avro_datum_t datum = avro_enum(schema, AVRO_C);
avro_schema_enum_symbol_append(schema, "C");
avro_schema_enum_symbol_append(schema, "C++");
avro_schema_enum_symbol_append(schema, "Python");
avro_schema_enum_symbol_append(schema, "Ruby");
avro_schema_enum_symbol_append(schema, "Java");
if (avro_enum_get(datum) != AVRO_C) {
fprintf(stderr, "Unexpected enum value AVRO_C\n");
exit(EXIT_FAILURE);
}
if (strcmp(avro_enum_get_name(datum), "C") != 0) {
fprintf(stderr, "Unexpected enum value name C\n");
exit(EXIT_FAILURE);
}
write_read_check(schema, datum, NULL, NULL, "enum");
test_json(datum, "\"C\"");
avro_enum_set(datum, AVRO_CPP);
if (strcmp(avro_enum_get_name(datum), "C++") != 0) {
fprintf(stderr, "Unexpected enum value name C++\n");
exit(EXIT_FAILURE);
}
write_read_check(schema, datum, NULL, NULL, "enum");
test_json(datum, "\"C++\"");
avro_enum_set_name(datum, "Python");
if (avro_enum_get(datum) != AVRO_PYTHON) {
fprintf(stderr, "Unexpected enum value AVRO_PYTHON\n");
exit(EXIT_FAILURE);
}
write_read_check(schema, datum, NULL, NULL, "enum");
test_json(datum, "\"Python\"");
avro_datum_decref(datum);
avro_schema_decref(schema);
return 0;
}
static int test_enum(void)
{
enum avro_languages {
AVRO_C,
AVRO_CPP,
AVRO_PYTHON,
AVRO_RUBY,
AVRO_JAVA
};
avro_schema_t schema = avro_schema_enum("language");
avro_datum_t datum = avro_enum("language", AVRO_C);
avro_schema_enum_symbol_append(schema, "C");
avro_schema_enum_symbol_append(schema, "C++");
avro_schema_enum_symbol_append(schema, "Python");
avro_schema_enum_symbol_append(schema, "Ruby");
avro_schema_enum_symbol_append(schema, "Java");
write_read_check(schema, NULL, datum, "enum");
avro_datum_decref(datum);
avro_schema_decref(schema);
return 0;
}
avro_datum_t avro_datum_from_schema(const avro_schema_t schema)
{
check_param(NULL, is_avro_schema(schema), "schema");
switch (avro_typeof(schema)) {
case AVRO_STRING:
return avro_givestring("", NULL);
case AVRO_BYTES:
return avro_givebytes("", 0, NULL);
case AVRO_INT32:
return avro_int32(0);
case AVRO_INT64:
return avro_int64(0);
case AVRO_FLOAT:
return avro_float(0);
case AVRO_DOUBLE:
return avro_double(0);
case AVRO_BOOLEAN:
return avro_boolean(0);
case AVRO_NULL:
return avro_null();
case AVRO_RECORD:
{
const struct avro_record_schema_t *record_schema =
avro_schema_to_record(schema);
avro_datum_t rec = avro_record(schema);
int i;
for (i = 0; i < record_schema->fields->num_entries; i++) {
union {
st_data_t data;
struct avro_record_field_t *field;
} val;
st_lookup(record_schema->fields, i, &val.data);
avro_datum_t field =
avro_datum_from_schema(val.field->type);
avro_record_set(rec, val.field->name, field);
avro_datum_decref(field);
}
return rec;
}
case AVRO_ENUM:
return avro_enum(schema, 0);
case AVRO_FIXED:
{
const struct avro_fixed_schema_t *fixed_schema =
avro_schema_to_fixed(schema);
return avro_givefixed(schema, NULL, fixed_schema->size, NULL);
}
case AVRO_MAP:
return avro_map(schema);
case AVRO_ARRAY:
return avro_array(schema);
case AVRO_UNION:
return avro_union(schema, -1, NULL);
case AVRO_LINK:
{
const struct avro_link_schema_t *link_schema =
avro_schema_to_link(schema);
return avro_datum_from_schema(link_schema->to);
}
default:
avro_set_error("Unknown schema type");
return NULL;
}
}
int main(int argc, char *argv[])
{
int rval;
avro_file_writer_t file_writer;
avro_file_reader_t file_reader;
char outpath[128];
FILE *fp;
char jsontext[16 * 1024];
avro_schema_t schema;
avro_schema_error_t schema_error;
avro_datum_t interop;
avro_datum_t array_datum;
avro_datum_t node_datum;
avro_datum_t union_datum;
avro_datum_t out_datum;
enum Kind {
KIND_A,
KIND_B,
KIND_C
};
if (argc != 3) {
exit(EXIT_FAILURE);
}
snprintf(outpath, sizeof(outpath), "%s/c.avro", argv[2]);
fprintf(stderr, "Writing to %s\n", outpath);
fp = fopen(argv[1], "r");
rval = fread(jsontext, 1, sizeof(jsontext) - 1, fp);
jsontext[rval] = '\0';
check(rval,
avro_schema_from_json(jsontext, rval, &schema, &schema_error));
check(rval, avro_file_writer_create(outpath, schema, &file_writer));
/* TODO: create a method for generating random data from schema */
interop = avro_record("Interop", "org.apache.avro");
avro_record_set(interop, "intField", avro_int32(42));
avro_record_set(interop, "longField", avro_int64(4242));
avro_record_set(interop, "stringField",
avro_wrapstring("Follow your bliss."));
avro_record_set(interop, "boolField", avro_boolean(1));
avro_record_set(interop, "floatField", avro_float(3.14159265));
avro_record_set(interop, "doubleField", avro_double(2.71828183));
avro_record_set(interop, "bytesField", avro_bytes("abcd", 4));
avro_record_set(interop, "nullField", avro_null());
array_datum = avro_array();
avro_array_append_datum(array_datum, avro_double(1.0));
avro_array_append_datum(array_datum, avro_double(2.0));
avro_array_append_datum(array_datum, avro_double(3.0));
avro_record_set(interop, "arrayField", array_datum);
avro_record_set(interop, "mapField", avro_map());
union_datum = avro_union(1, avro_double(1.61803399));
avro_record_set(interop, "unionField", union_datum);
avro_record_set(interop, "enumField", avro_enum("Kind", KIND_A));
avro_record_set(interop, "fixedField",
avro_fixed("MD5", "1234567890123456", 16));
node_datum = avro_record("Node", NULL);
avro_record_set(node_datum, "label",
avro_wrapstring("If you label me, you negate me."));
avro_record_set(node_datum, "children", avro_array());
avro_record_set(interop, "recordField", node_datum);
rval = avro_file_writer_append(file_writer, interop);
if (rval) {
fprintf(stderr, "Unable to append data to interop file!\n");
exit(EXIT_FAILURE);
} else {
fprintf(stderr, "Successfully appended datum to file\n");
}
check(rval, avro_file_writer_close(file_writer));
fprintf(stderr, "Closed writer.\n");
check(rval, avro_file_reader(outpath, &file_reader));
fprintf(stderr, "Re-reading datum to verify\n");
check(rval, avro_file_reader_read(file_reader, NULL, &out_datum));
fprintf(stderr, "Verifying datum...");
if (!avro_datum_equal(interop, out_datum)) {
fprintf(stderr, "fail!\n");
exit(EXIT_FAILURE);
}
fprintf(stderr, "ok\n");
check(rval, avro_file_reader_close(file_reader));
fprintf(stderr, "Closed reader.\n");
return 0;
}
