public byte[] pack() {
int pos = 0;
byte[] buf = new byte[64 * 1024];
BytePacket.writeInt32(seq, buf, pos);
pos += 4;
buf[pos++] = (byte) cmd;
buf[pos++] = (byte) VERSION;
pos += 2;
if (cmd == Command.MSG_HEARTBEAT || cmd == Command.MSG_PING) {
return Arrays.copyOf(buf, HEAD_SIZE);
} else if (cmd == Command.MSG_AUTH) {
BytePacket.writeInt64((Long) body, buf, pos);
return Arrays.copyOf(buf, HEAD_SIZE + 8);
} else if (cmd == Command.MSG_AUTH_TOKEN) {
AuthenticationToken auth = (AuthenticationToken) body;
buf[pos] = (byte) auth.platformID;
pos++;
byte[] token = auth.token.getBytes();
buf[pos] = (byte) token.length;
pos++;
System.arraycopy(token, 0, buf, pos, token.length);
pos += token.length;
byte[] deviceID = auth.deviceID.getBytes();
buf[pos] = (byte) deviceID.length;
pos++;
System.arraycopy(deviceID, 0, buf, pos, deviceID.length);
pos += deviceID.length;
return Arrays.copyOf(buf, pos);
} else if (cmd == Command.MSG_IM || cmd == Command.MSG_GROUP_IM) {
IMMessage im = (IMMessage) body;
BytePacket.writeInt64(im.sender, buf, pos);
pos += 8;
BytePacket.writeInt64(im.receiver, buf, pos);
pos += 8;
BytePacket.writeInt32(im.timestamp, buf, pos);
pos += 4;
BytePacket.writeInt32(im.msgLocalID, buf, pos);
pos += 4;
try {
byte[] c = im.content.getBytes("UTF-8");
if (c.length + 32 > 64 * 1024) {
Log.e("imservice", "packet buffer overflow");
return null;
}
System.arraycopy(c, 0, buf, pos, c.length);
return Arrays.copyOf(buf, HEAD_SIZE + 24 + c.length);
} catch (Exception e) {
Log.e("imservice", "encode utf8 error");
return null;
}
} else if (cmd == Command.MSG_ACK) {
BytePacket.writeInt32((Integer) body, buf, pos);
return Arrays.copyOf(buf, HEAD_SIZE + 4);
} else if (cmd == Command.MSG_INPUTTING) {
MessageInputing in = (MessageInputing) body;
BytePacket.writeInt64(in.sender, buf, pos);
pos += 8;
BytePacket.writeInt64(in.receiver, buf, pos);
return Arrays.copyOf(buf, HEAD_SIZE + 16);
} else if (cmd == Command.MSG_VOIP_CONTROL) {
VOIPControl ctl = (VOIPControl) body;
BytePacket.writeInt64(ctl.sender, buf, pos);
pos += 8;
BytePacket.writeInt64(ctl.receiver, buf, pos);
pos += 8;
BytePacket.writeInt32(ctl.cmd, buf, pos);
pos += 4;
if (ctl.cmd == VOIPControl.VOIP_COMMAND_DIAL
|| ctl.cmd == VOIPControl.VOIP_COMMAND_DIAL_VIDEO) {
BytePacket.writeInt32(ctl.dialCount, buf, pos);
pos += 4;
return Arrays.copyOf(buf, HEAD_SIZE + 24);
} else if (ctl.cmd == VOIPControl.VOIP_COMMAND_ACCEPT) {
if (ctl.natMap != null) {
BytePacket.writeInt32(ctl.natMap.ip, buf, pos);
pos += 4;
BytePacket.writeInt16(ctl.natMap.port, buf, pos);
pos += 2;
} else {
BytePacket.writeInt32(0, buf, pos);
pos += 4;
BytePacket.writeInt16((short) (0), buf, pos);
pos += 2;
}
return Arrays.copyOf(buf, HEAD_SIZE + 26);
} else if (ctl.cmd == VOIPControl.VOIP_COMMAND_CONNECTED) {
if (ctl.natMap != null) {
BytePacket.writeInt32(ctl.natMap.ip, buf, pos);
pos += 4;
BytePacket.writeInt16(ctl.natMap.port, buf, pos);
pos += 2;
} else {
BytePacket.writeInt32(0, buf, pos);
pos += 4;
BytePacket.writeInt16((short) (0), buf, pos);
pos += 2;
}
BytePacket.writeInt32(ctl.relayIP, buf, pos);
pos += 4;
return Arrays.copyOf(buf, HEAD_SIZE + 30);
} else {
return Arrays.copyOf(buf, HEAD_SIZE + 20);
}
}
return null;
}
public boolean unpack(byte[] data) {
int pos = 0;
this.seq = BytePacket.readInt32(data, pos);
pos += 4;
cmd = data[pos];
pos += 4;
if (cmd == Command.MSG_PONG) {
return true;
} else if (cmd == Command.MSG_AUTH_STATUS) {
int status = BytePacket.readInt32(data, pos);
this.body = new Integer(status);
return true;
} else if (cmd == Command.MSG_IM || cmd == Command.MSG_GROUP_IM) {
IMMessage im = new IMMessage();
im.sender = BytePacket.readInt64(data, pos);
pos += 8;
im.receiver = BytePacket.readInt64(data, pos);
pos += 8;
im.timestamp = BytePacket.readInt32(data, pos);
pos += 4;
im.msgLocalID = BytePacket.readInt32(data, pos);
pos += 4;
try {
im.content = new String(data, pos, data.length - 32, "UTF-8");
this.body = im;
return true;
} catch (Exception e) {
return false;
}
} else if (cmd == Command.MSG_ACK) {
int s = BytePacket.readInt32(data, pos);
this.body = new Integer(s);
return true;
} else if (cmd == Command.MSG_INPUTTING) {
MessageInputing inputing = new MessageInputing();
inputing.sender = BytePacket.readInt64(data, pos);
pos += 8;
inputing.receiver = BytePacket.readInt64(data, pos);
this.body = inputing;
return true;
} else if (cmd == Command.MSG_GROUP_NOTIFICATION) {
try {
this.body = new String(data, pos, data.length - HEAD_SIZE, "UTF-8");
return true;
} catch (Exception e) {
return false;
}
} else if (cmd == Command.MSG_LOGIN_POINT) {
LoginPoint lp = new LoginPoint();
lp.upTimestamp = BytePacket.readInt32(data, pos);
pos += 4;
lp.platformID = data[pos];
pos++;
try {
lp.deviceID = new String(data, pos, data.length - 13, "UTF-8");
this.body = lp;
return true;
} catch (Exception e) {
return false;
}
} else if (cmd == Command.MSG_VOIP_CONTROL) {
VOIPControl ctl = new VOIPControl();
ctl.sender = BytePacket.readInt64(data, pos);
pos += 8;
ctl.receiver = BytePacket.readInt64(data, pos);
pos += 8;
ctl.cmd = BytePacket.readInt32(data, pos);
pos += 4;
if (ctl.cmd == VOIPControl.VOIP_COMMAND_DIAL
|| ctl.cmd == VOIPControl.VOIP_COMMAND_DIAL_VIDEO) {
ctl.dialCount = BytePacket.readInt32(data, pos);
} else if (ctl.cmd == VOIPControl.VOIP_COMMAND_ACCEPT) {
if (data.length >= HEAD_SIZE + 26) {
ctl.natMap = new VOIPControl.NatPortMap();
ctl.natMap.ip = BytePacket.readInt32(data, pos);
pos += 4;
ctl.natMap.port = BytePacket.readInt16(data, pos);
pos += 2;
}
} else if (ctl.cmd == VOIPControl.VOIP_COMMAND_CONNECTED) {
if (data.length >= HEAD_SIZE + 26) {
ctl.natMap = new VOIPControl.NatPortMap();
ctl.natMap.ip = BytePacket.readInt32(data, pos);
pos += 4;
ctl.natMap.port = BytePacket.readInt16(data, pos);
pos += 2;
}
if (data.length >= HEAD_SIZE + 28) {
ctl.relayIP = BytePacket.readInt32(data, pos);
pos += 4;
}
}
this.body = ctl;
return true;
} else {
return true;
}
}
