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public class CoreConnector {
//unowned Thread thread;
//bool running;
//Erl.Node node;
//Erl.Connection con;
//Erl.Term self;
Eva.PacketHandler con;
public signal void update_contact(Contact contact);
public signal void new_conversation(string jid);
public signal void receive_message(string jid, string type, string message);
public signal void sent_message(string jid, string type, string message);
/*private class TermStore {
public Erl.Term term;
}*/
/*static construct {
Erl.init();
}*/
public CoreConnector() {
//running = false;
}
public void start() {
/*node = Erl.Node("ephraim-gtk", "magiccookie", 0);
con = node.connect("ephraim-core@avalon.local");
self = Erl.mk_self_pid(node);
con.reg_send("ephraim", Erl.format("{register_ui,~w}", self));
try {
thread = Thread.create(receive, true);
return true;
} catch(ThreadError e) {
return false;
}*/
con = new Eva.PacketHandler(new UnixInputStream(3, true), new UnixOutputStream(4, true), 4);
con.received_term.connect(handle_term);
con.start();
}
public void stop() {
/*if(!running)
return;
running = false;
receive.end();*/
//con.reg_send("ephraim", Erl.format("{unregister_ui,~w}", self));
con.send(new Eva.Atom("stop"));
}
private static string from_utf8(Eva.Binary bin) {
string ret = ((string)bin.data).ndup(bin.len);
warn_if_fail(ret.validate());
return ret;
}
private void handle_term(Eva.Term term) {
Gee.Map<string, Eva.Term> match;
if((match = term.match(Eva.parse("{roster_update,JID,Name,Subscription,Groups,Resources,Avatar}"))) != null) {
Eva.Binary jid_term = match["JID"] as Eva.Binary;
if(jid_term == null)
// TODO Debug output
return;
string jid = from_utf8(jid_term);
Eva.Binary name_term = match["Name"] as Eva.Binary;
string? name;
if (name_term is Eva.Binary)
name = from_utf8(name_term);
else
name = null;
Contact contact = new Contact(jid, name);
Eva.Cons groups = match["Groups"] as Eva.Cons;
while(groups != null) {
Eva.Binary group_term = groups.head as Eva.Binary;
if(group_term != null) {
string group = from_utf8(group_term);
contact.add_group(group);
}
groups = groups.tail as Eva.Cons;
}
Eva.Cons resources = match["Resources"] as Eva.Cons;
while(resources != null) {
Gee.Map<string, Eva.Term> r;
if((r = resources.head.match(Eva.parse("{Name,{resource_entry,Priority,Show,Status}}"))) != null) {
Eva.Binary rname_term = r["Name"] as Eva.Binary;
Eva.Numeric prio_term = r["Priority"] as Eva.Numeric;
Eva.Atom show_term = r["Show"] as Eva.Atom;
Eva.Binary status_term = r["Status"] as Eva.Binary;
if(rname_term != null && prio_term != null && show_term != null) {
string rname = from_utf8(rname_term);
int prio = prio_term.int_value;
Contact.Show show = Contact.Show.UNDEFINED;
switch(show_term.value) {
case "online":
show = Contact.Show.ONLINE;
break;
case "away":
show = Contact.Show.AWAY;
break;
case "chat":
show = Contact.Show.CHAT;
break;
case "dnd":
show = Contact.Show.DND;
break;
case "xa":
show = Contact.Show.XA;
break;
}
string? status = null;
if(status_term != null)
status = from_utf8(status_term);
contact.update_resource(rname, new Contact.Resource(prio, show, status));
}
}
resources = resources.tail as Eva.Cons;
}
Gee.Map<string, Eva.Term> avatar = match["Avatar"].match(Eva.parse("{avatar,Data}"));
if(avatar != null) {
Eva.Binary avatarData = avatar["Data"] as Eva.Binary;
if(avatarData != null) {
InputStream avatarStream = new MemoryInputStream.from_data(avatarData.data, avatarData.len, null);
try {
contact.avatar = new Gdk.Pixbuf.from_stream_at_scale(avatarStream, 32, 32, true, null);
avatarStream.close(null);
} catch(Error e) {
// TODO Debug output
}
}
}
update_contact(contact);
}
else if((match = term.match(Eva.parse("{new_conversation,JID}"))) != null) {
Eva.Binary jid_term = match["JID"] as Eva.Binary;
if(jid_term == null)
// TODO Debug output
return;
string jid = from_utf8(jid_term);
new_conversation(jid);
}
else if((match = term.match(Eva.parse("{receive_message,JID,Type,Body}"))) != null) {
Eva.Binary jid_term = match["JID"] as Eva.Binary;
if(jid_term == null)
// TODO Debug output
return;
string jid = from_utf8(jid_term);
Eva.Atom type_term = match["Type"] as Eva.Atom;
if(type_term == null)
// TODO Debug output
return;
string type = type_term.value;
Eva.Binary body_term = match["Body"] as Eva.Binary;
if(body_term == null)
// TODO Debug output
return;
string body = from_utf8(body_term);
receive_message(jid, type, body);
}
else if((match = term.match(Eva.parse("{sent_message,JID,Type,Body}"))) != null) {
Eva.Binary jid_term = match["JID"] as Eva.Binary;
if(jid_term == null)
// TODO Debug output
return;
string jid = from_utf8(jid_term);
Eva.Atom type_term = match["Type"] as Eva.Atom;
if(type_term == null)
// TODO Debug output
return;
string type = type_term.value;
Eva.Binary body_term = match["Body"] as Eva.Binary;
if(body_term == null)
// TODO Debug output
return;
string body = from_utf8(body_term);
sent_message(jid, type, body);
}
else {
stdout.printf("%s\n", term.to_string());
}
}
public void start_conversation(string jid) {
char[] jid_utf8 = jid.to_utf8();
con.send(Eva.parse("{start_conversation,~w}", new Eva.Binary(jid_utf8)));
}
public void send_message(string jid, string type, string message) {
char[] jid_utf8 = jid.to_utf8();
char[] message_utf8 = message.to_utf8();
con.send(Eva.parse("{send_message,~w,~a,~w}", new Eva.Binary(jid_utf8), type, new Eva.Binary(message_utf8)));
}
}
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