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parsepackets.js
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parsepackets.js
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/* jshint node: true */
var enums = require('./enums.js');
module.exports = function parsePackets(command, message) {
var task = [];
var buffer_read_position = 0;
//The message is stripped and turned into a normal packet so we can understand it as:
//{length, +length, type of message, the message itself }
//the server may send more than one at a time so lets take it one at a time.
while (buffer_read_position < message.length) {
var read = message[buffer_read_position] + message[(buffer_read_position + 1)];
var packet = {
LENGTH: read,
message: message.slice((buffer_read_position + 3), (buffer_read_position + 1 + read)),
readposition: 0
};
packet[command] = enums[command][message[(buffer_read_position + 2)]] || message[(buffer_read_position + 2)];
task.push(packet);
buffer_read_position = buffer_read_position + 2 + read;
}
return task;
};
/*
function SendCommunication(message, commandEnum) {
var communication = [];
communication[0] = message.length * 2 + 1;
communication[2] = commandEnum;
var write_position = 3;
var i, strLen, c, arrLen;
if (typeof message === 'string') {
for (i = 0, strLen = message.length, c = 0; i < strLen; i++, c = c + 2) {
communication[(c + write_position)] = message.charCodeAt(i);
}
}
if (message instanceof Array) {
for (i = 0, arrLen = message.length; i < arrLen; i++) {
communication[(i + write_position)] = message[i];
}
}
return new Buffer(communication);
}
*/