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* Start work on FTN/BSO schedule via later.js

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* Utilize last scan message ID to scan areas
* Lots of changes to FTN packet creation
* Create packets with target max size
* Create ArcMail bundles when configured to do so
This commit is contained in:
Bryan Ashby 2016-02-28 22:04:03 -07:00
parent ae20dc1f7c
commit 76bbc43600
7 changed files with 595 additions and 27 deletions
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155
core/ftn_mail_packet.js
View file

@ -280,6 +280,44 @@ function Packet() {
cb(null, ph);
});
};
this.getPacketHeaderBuffer = function(packetHeader) {
let buffer = new Buffer(FTN_PACKET_HEADER_SIZE);
buffer.writeUInt16LE(packetHeader.origNode, 0);
buffer.writeUInt16LE(packetHeader.destNode, 2);
buffer.writeUInt16LE(packetHeader.year, 4);
buffer.writeUInt16LE(packetHeader.month, 6);
buffer.writeUInt16LE(packetHeader.day, 8);
buffer.writeUInt16LE(packetHeader.hour, 10);
buffer.writeUInt16LE(packetHeader.minute, 12);
buffer.writeUInt16LE(packetHeader.second, 14);
buffer.writeUInt16LE(packetHeader.baud, 16);
buffer.writeUInt16LE(FTN_PACKET_HEADER_TYPE, 18);
buffer.writeUInt16LE(packetHeader.origNet, 20);
buffer.writeUInt16LE(packetHeader.destNet, 22);
buffer.writeUInt8(packetHeader.prodCodeLo, 24);
buffer.writeUInt8(packetHeader.prodRevHi, 25);
const pass = ftn.stringToNullPaddedBuffer(packetHeader.password, 8);
pass.copy(buffer, 26);
buffer.writeUInt16LE(packetHeader.origZone, 34);
buffer.writeUInt16LE(packetHeader.destZone, 36);
buffer.writeUInt16LE(packetHeader.auxNet, 38);
buffer.writeUInt16LE(packetHeader.capWordValidate, 40);
buffer.writeUInt8(packetHeader.prodCodeHi, 42);
buffer.writeUInt8(packetHeader.prodRevLo, 43);
buffer.writeUInt16LE(packetHeader.capWord, 44);
buffer.writeUInt16LE(packetHeader.origZone2, 46);
buffer.writeUInt16LE(packetHeader.destZone2, 48);
buffer.writeUInt16LE(packetHeader.origPoint, 50);
buffer.writeUInt16LE(packetHeader.destPoint, 52);
buffer.writeUInt32LE(packetHeader.prodData, 54);
return buffer;
}
this.writePacketHeader = function(packetHeader, ws) {
let buffer = new Buffer(FTN_PACKET_HEADER_SIZE);
@ -317,6 +355,8 @@ function Packet() {
buffer.writeUInt32LE(packetHeader.prodData, 54);
ws.write(buffer);
return buffer.length;
};
this.processMessageBody = function(messageBodyBuffer, cb) {
@ -577,6 +617,103 @@ function Packet() {
});
});
};
this.getMessageEntryBuffer = function(message, options) {
let basicHeader = new Buffer(34);
basicHeader.writeUInt16LE(FTN_PACKET_MESSAGE_TYPE, 0);
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_orig_node, 2);
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_dest_node, 4);
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_orig_network, 6);
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_dest_network, 8);
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_attr_flags, 10);
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_cost, 12);
const dateTimeBuffer = new Buffer(ftn.getDateTimeString(message.modTimestamp) + '\0');
dateTimeBuffer.copy(basicHeader, 14);
// toUserName & fromUserName: up to 36 bytes in length, NULL term'd
// :TODO: DRY...
let toUserNameBuf = iconv.encode(message.toUserName + '\0', 'CP437').slice(0, 36);
toUserNameBuf[toUserNameBuf.length - 1] = '\0'; // ensure it's null term'd
let fromUserNameBuf = iconv.encode(message.fromUserName + '\0', 'CP437').slice(0, 36);
fromUserNameBuf[fromUserNameBuf.length - 1] = '\0'; // ensure it's null term'd
// subject: up to 72 bytes in length, NULL term'd
let subjectBuf = iconv.encode(message.subject + '\0', 'CP437').slice(0, 72);
subjectBuf[subjectBuf.length - 1] = '\0'; // ensure it's null term'd
//
// message: unbound length, NULL term'd
//
// We need to build in various special lines - kludges, area,
// seen-by, etc.
//
// :TODO: Put this in it's own method
let msgBody = '';
function appendMeta(k, m) {
if(m) {
let a = m;
if(!_.isArray(a)) {
a = [ a ];
}
a.forEach(v => {
msgBody += `${k}: ${v}\r`;
});
}
}
//
// FTN-0004.001 @ http://ftsc.org/docs/fts-0004.001
// AREA:CONFERENCE
// Should be first line in a message
//
if(message.meta.FtnProperty.ftn_area) {
msgBody += `AREA:${message.meta.FtnProperty.ftn_area}\r`; // note: no ^A (0x01)
}
Object.keys(message.meta.FtnKludge).forEach(k => {
// we want PATH to be last
if('PATH' !== k) {
appendMeta(`\x01${k}`, message.meta.FtnKludge[k]);
}
});
msgBody += message.message + '\r';
//
// FTN-0004.001 @ http://ftsc.org/docs/fts-0004.001
// Tear line should be near the bottom of a message
//
if(message.meta.FtnProperty.ftn_tear_line) {
msgBody += `${message.meta.FtnProperty.ftn_tear_line}\r`;
}
//
// Origin line should be near the bottom of a message
//
if(message.meta.FtnProperty.ftn_origin) {
msgBody += `${message.meta.FtnProperty.ftn_origin}\r`;
}
//
// FTN-0004.001 @ http://ftsc.org/docs/fts-0004.001
// SEEN-BY and PATH should be the last lines of a message
//
appendMeta('SEEN-BY', message.meta.FtnProperty.ftn_seen_by); // note: no ^A (0x01)
appendMeta('\x01PATH', message.meta.FtnKludge['PATH']);
return Buffer.concat( [
basicHeader,
toUserNameBuf,
fromUserNameBuf,
subjectBuf,
iconv.encode(msgBody + '\0', options.encoding)
]);
};
this.writeMessage = function(message, ws, options) {
let basicHeader = new Buffer(34);
@ -750,6 +887,24 @@ Packet.prototype.read = function(pathOrBuffer, iterator, cb) {
);
};
Packet.prototype.writeHeader = function(ws, packetHeader) {
return this.writePacketHeader(packetHeader, ws);
};
Packet.prototype.writeMessage = function(ws, message, options) {
}
Packet.prototype.writeMessageEntry = function(ws, msgEntry) {
ws.write(msgEntry);
return msgEntry.length;
};
Packet.prototype.writeTerminator = function(ws) {
ws.write(new Buffer( [ 0 ] )); // final extra null term
return 1;
};
Packet.prototype.writeStream = function(ws, messages, options) {
if(!_.isBoolean(options.terminatePacket)) {
options.terminatePacket = true;