| Property Summary | |
|---|---|
| Number | #index Returns the current position in the byte array of the packet. |
| Method Summary | |
|---|---|
| byte[] | #getByteArray() Returns the content of the package into a byte array. |
| String | #getHost() Returns the name of the host that sent the packet. |
| Number | #getLength() Returns the length of the packet in bytes. |
| Number | #getPort() Returns the port where the packet originated from. |
| Number | #readByte() Reads an 8 bits byte value from the packet, starting from the current index. |
| Number | #readInt() Reads a 32 bits int value from the packet, starting from the current index. |
| Number | #readShort() Reads a 32 bits short value from the packet, starting from the current index. |
| String | #readUTF([length]) Reads a UTF string from the packet, starting from the current index. |
| void | #writeByte(number) Writes one byte into the packet, at the current index. |
| void | #writeBytes(array) Writes an array of bytes into the packet, at the current index. |
| void | #writeInt(number) Writes a 32 bits int into the packet, at the current index. |
| void | #writeShort(number) Writes a 16 bits short value into the packet, at the current index. |
| Number | #writeUTF(string) Writes an UTF encoded string into the packet, at the current index. |
| Property Details |
|---|
index |
| Returns the current position in the byte array of the packet. The next read/write operation will occur at this position. |
| Returns Number |
Sample
var packet;
while (packet = plugins.udp.getReceivedPacket()) {
application.output('packet received from ' + packet.getHost() + ':' + packet.getPort());
if (packet.getLength() > 0) {
application.output('an int is: ' + packet.readInt());
application.output('moved to index: ' + packet.index);
application.output('a short is: ' + packet.readShort());
application.output('moved to index: ' + packet.index);
application.output('a byte is: ' + packet.readByte());
application.output('moved to index: ' + packet.index);
application.output('a byte is: ' + packet.readByte());
application.output('moved to index: ' + packet.index);
}
else {
application.output('end of communication.');
break;
}
}
|
| Method Details |
|---|
getByteArray |
byte[] getByteArray () |
| Returns the content of the package into a byte array. |
| Returns byte[] |
Sample
var packet;
while (packet = plugins.udp.getReceivedPacket()) {
application.output('packet received from ' + packet.getHost() + ':' + packet.getPort());
if (packet.getLength() > 0) {
var bytes = packet.getByteArray();
application.output('received a packet of length: ' + bytes.length);
for (var i=0; i<bytes.length; i++)
application.output(bytes[i]);
}
else {
application.output('end of communication.');
break;
}
}
|
getHost |
String getHost () |
| Returns the name of the host that sent the packet. |
| Returns String |
Sample
var packet;
while (packet = plugins.udp.getReceivedPacket()) {
application.output('packet received from ' + packet.getHost() + ':' + packet.getPort());
if (packet.getLength() > 0) {
application.output('message is: ' + packet.readUTF());
}
else {
application.output('end of communication.');
break;
}
}
|
getLength |
Number getLength () |
| Returns the length of the packet in bytes. |
| Returns Number |
Sample
var packet;
while (packet = plugins.udp.getReceivedPacket()) {
application.output('packet received from ' + packet.getHost() + ':' + packet.getPort());
if (packet.getLength() > 0) {
application.output('message is: ' + packet.readUTF());
}
else {
application.output('end of communication.');
break;
}
}
|
getPort |
Number getPort () |
| Returns the port where the packet originated from. |
| Returns Number |
Sample
var packet;
while (packet = plugins.udp.getReceivedPacket()) {
application.output('packet received from ' + packet.getHost() + ':' + packet.getPort());
if (packet.getLength() > 0) {
application.output('message is: ' + packet.readUTF());
}
else {
application.output('end of communication.');
break;
}
}
|
readByte |
Number readByte () |
| Reads an 8 bits byte value from the packet, starting from the current index. Advances the index with one position. |
| Returns Number |
Sample
var packet;
while (packet = plugins.udp.getReceivedPacket()) {
application.output('packet received from ' + packet.getHost() + ':' + packet.getPort());
if (packet.getLength() > 0) {
application.output('an int is: ' + packet.readInt());
application.output('moved to index: ' + packet.index);
application.output('a short is: ' + packet.readShort());
application.output('moved to index: ' + packet.index);
application.output('a byte is: ' + packet.readByte());
application.output('moved to index: ' + packet.index);
application.output('a byte is: ' + packet.readByte());
application.output('moved to index: ' + packet.index);
}
else {
application.output('end of communication.');
break;
}
}
|
readInt |
Number readInt () |
| Reads a 32 bits int value from the packet, starting from the current index. Advances the index with 4 positions. |
| Returns Number |
Sample
var packet;
while (packet = plugins.udp.getReceivedPacket()) {
application.output('packet received from ' + packet.getHost() + ':' + packet.getPort());
if (packet.getLength() > 0) {
application.output('an int is: ' + packet.readInt());
application.output('moved to index: ' + packet.index);
application.output('a short is: ' + packet.readShort());
application.output('moved to index: ' + packet.index);
application.output('a byte is: ' + packet.readByte());
application.output('moved to index: ' + packet.index);
application.output('a byte is: ' + packet.readByte());
application.output('moved to index: ' + packet.index);
}
else {
application.output('end of communication.');
break;
}
}
|
readShort |
Number readShort () |
| Reads a 32 bits short value from the packet, starting from the current index. Advances the index with 2 positions. |
| Returns Number |
Sample
var packet;
while (packet = plugins.udp.getReceivedPacket()) {
application.output('packet received from ' + packet.getHost() + ':' + packet.getPort());
if (packet.getLength() > 0) {
application.output('an int is: ' + packet.readInt());
application.output('moved to index: ' + packet.index);
application.output('a short is: ' + packet.readShort());
application.output('moved to index: ' + packet.index);
application.output('a byte is: ' + packet.readByte());
application.output('moved to index: ' + packet.index);
application.output('a byte is: ' + packet.readByte());
application.output('moved to index: ' + packet.index);
}
else {
application.output('end of communication.');
break;
}
}
|
readUTF |
String readUTF ([length]) |
| Reads a UTF string from the packet, starting from the current index. If an argument is specified, then it represents the length of the string to read. If no argument is specified, then first a 32 bits int is read from the packet and that will be the length of the string. Advances the index with a number of positions that depends on the length of the read string. |
| Parameters [length] |
| Returns String |
Sample
var packet;
while (packet = plugins.udp.getReceivedPacket()) {
application.output('packet received from ' + packet.getHost() + ':' + packet.getPort());
if (packet.getLength() > 0) {
application.output('message is: ' + packet.readUTF());
}
else {
application.output('end of communication.');
break;
}
}
|
writeByte |
void writeByte (number) |
| Writes one byte into the packet, at the current index. The index is advanced with one position. |
| Parameters number |
| Returns void |
Sample
if (!plugins.udp.startSocket('5555', packetReceived)) {
application.output('Failed to start socket.');
} else {
var packet = plugins.udp.createNewPacket();
packet.writeUTF('hello world!');
plugins.udp.sendPacket('localhost', packet, 1234);
packet = plugins.udp.createNewPacket();
packet.writeByte(0xFF);
packet.writeShort(10001);
packet.writeInt(2000000001);
plugins.udp.sendPacket('localhost', packet, 1234);
var imgBytes = plugins.file.readFile('logo.jpg', 1024);
packet = plugins.udp.createNewPacket();
packet.writeBytes(imgBytes);
plugins.udp.sendPacket('localhost', packet, 1234);
plugins.udp.stopSocket();
}
|
writeBytes |
void writeBytes (array) |
| Writes an array of bytes into the packet, at the current index. The index is advanced with a number of positions equal to the length of the written array. |
| Parameters array |
| Returns void |
Sample
if (!plugins.udp.startSocket('5555', packetReceived)) {
application.output('Failed to start socket.');
} else {
var packet = plugins.udp.createNewPacket();
packet.writeUTF('hello world!');
plugins.udp.sendPacket('localhost', packet, 1234);
packet = plugins.udp.createNewPacket();
packet.writeByte(0xFF);
packet.writeShort(10001);
packet.writeInt(2000000001);
plugins.udp.sendPacket('localhost', packet, 1234);
var imgBytes = plugins.file.readFile('logo.jpg', 1024);
packet = plugins.udp.createNewPacket();
packet.writeBytes(imgBytes);
plugins.udp.sendPacket('localhost', packet, 1234);
plugins.udp.stopSocket();
}
|
writeInt |
void writeInt (number) |
| Writes a 32 bits int into the packet, at the current index. The index is advances with 4 positions. |
| Parameters number |
| Returns void |
Sample
if (!plugins.udp.startSocket('5555', packetReceived)) {
application.output('Failed to start socket.');
} else {
var packet = plugins.udp.createNewPacket();
packet.writeUTF('hello world!');
plugins.udp.sendPacket('localhost', packet, 1234);
packet = plugins.udp.createNewPacket();
packet.writeByte(0xFF);
packet.writeShort(10001);
packet.writeInt(2000000001);
plugins.udp.sendPacket('localhost', packet, 1234);
var imgBytes = plugins.file.readFile('logo.jpg', 1024);
packet = plugins.udp.createNewPacket();
packet.writeBytes(imgBytes);
plugins.udp.sendPacket('localhost', packet, 1234);
plugins.udp.stopSocket();
}
|
writeShort |
void writeShort (number) |
| Writes a 16 bits short value into the packet, at the current index. The index is advances with 2 positions. |
| Parameters number |
| Returns void |
Sample
if (!plugins.udp.startSocket('5555', packetReceived)) {
application.output('Failed to start socket.');
} else {
var packet = plugins.udp.createNewPacket();
packet.writeUTF('hello world!');
plugins.udp.sendPacket('localhost', packet, 1234);
packet = plugins.udp.createNewPacket();
packet.writeByte(0xFF);
packet.writeShort(10001);
packet.writeInt(2000000001);
plugins.udp.sendPacket('localhost', packet, 1234);
var imgBytes = plugins.file.readFile('logo.jpg', 1024);
packet = plugins.udp.createNewPacket();
packet.writeBytes(imgBytes);
plugins.udp.sendPacket('localhost', packet, 1234);
plugins.udp.stopSocket();
}
|
writeUTF |
Number writeUTF (string) |
| Writes an UTF encoded string into the packet, at the current index. First the length of the string is written on 4 bytes, then the string is written. The index is advanced with a number of positions equal to the length of the string plus 4. |
| Parameters string |
| Returns Number |
Sample
if (!plugins.udp.startSocket('5555', packetReceived)) {
application.output('Failed to start socket.');
} else {
var packet = plugins.udp.createNewPacket();
packet.writeUTF('hello world!');
plugins.udp.sendPacket('localhost', packet, 1234);
packet = plugins.udp.createNewPacket();
packet.writeByte(0xFF);
packet.writeShort(10001);
packet.writeInt(2000000001);
plugins.udp.sendPacket('localhost', packet, 1234);
var imgBytes = plugins.file.readFile('logo.jpg', 1024);
packet = plugins.udp.createNewPacket();
packet.writeBytes(imgBytes);
plugins.udp.sendPacket('localhost', packet, 1234);
plugins.udp.stopSocket();
}
|
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