THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
Page History
...
| Code Block |
|---|
// Header socket.writeByte(103); // Binary object type code socket.writeByte(1); // Binary object format version socket.writeShort(1 + 2); // Flags, user type + has schema socket.writeInt(1512523596); // Type id, Java-style hash code of "MyType" socket.writeInt(0); // Hash code, 0 for simplicity socket.writeInt(24 + 5 + 8); // Object length, header + int field (byte type + 4 bytes value) + schema (4 bytes id + 4 bytes offset) socket.writeInt(0); // Schema id, for simplicity socket.writeInt(24 + 5); // Schema offset, header size + one int field // Fields socket.writeByte(3); // Field type, int socket.writeInt(42); // Field value // Schema socket.writeInt(1515208398); // Field id, Java hash of "myfield" socket.writeInt(24); // Field position from object start, right after 24-byte header |
Refuncading Reading binary object and retrieving field value:
| Code Block |
|---|
// Header
assert socket.readByte() == 103;
assert socket.readByte() == 1;
assert socket.readByte() == 1 + 2;
var typeId = socket.ReadInt();
var hash = socket.readInt();
var len = socket.ReadInt();
var schemaId = socket.ReadInt();
var schemaOffset = socket.ReadInt();
// Read field data into array, everything between header and schema
var fieldData = socket.readByteArray(schemaOffset - 24);
// Read schema
var fieldCount = (len - schemaOffset) / 8;
var fieldIds = new int[fieldCount];
var fieldOffsets = new int[fieldCount];
for (int i = 0; i < fieldCount; i++)
{
fieldIds[i] = socket.readInt();
fieldOffsets[i] = socket.readInt();
}
// Let's suppose that user says BinaryObject.GetField( wants a value of the field named "myfield")
var fieldName = "myfield";
var fieldId = getJavaHash(fieldName); // 1515208398
var fieldIdx = fieldIds.indexOf(fieldId); // Can be missing, handle accordingly
var fieldOffset = fieldOffsets[fieldsIdx];
// We got the field offset, now read binary object from fieldData
var reader = new ArrayReader(fieldData);
reader.seek(fieldOffset - 24);
var fieldType = reader.readByte();
if (fieldType = 3) // int
{
var fieldVal = reader.readInt();
}
else if (fieldVal = 103)
{
// Nested binary object
...
}
else ... |
Discussion Links
...
Overview
Content Tools
Apps