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Async service lookup, connect and write

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This commit is contained in:
fiaxh 2017-11-22 20:06:50 +01:00
parent de133218da
commit 9165c4db27
9 changed files with 114 additions and 52 deletions
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3
libdino/src/application.vala
View file

@ -40,7 +40,10 @@ public interface Dino.Application : GLib.Application {
activate.connect(() => {
stream_interactor.connection_manager.log_options = print_xmpp;
Idle.add(() => {
restore();
return false;
});
});
shutdown.connect(() => {
stream_interactor.connection_manager.make_offline_all();

2
xmpp-vala/CMakeLists.txt
View file

@ -8,6 +8,8 @@ find_packages(ENGINE_PACKAGES REQUIRED
vala_precompile(ENGINE_VALA_C
SOURCES
"src/glib_fixes.vapi"
"src/core/namespace_state.vala"
"src/core/stanza_attribute.vala"
"src/core/stanza_node.vala"

42
xmpp-vala/src/core/stanza_writer.vala
View file

@ -2,26 +2,48 @@ namespace Xmpp.Core {
public class StanzaWriter {
private OutputStream output;
private Queue<SourceFuncWrapper> queue = new Queue<SourceFuncWrapper>();
private bool running = false;
public StanzaWriter.for_stream(OutputStream output) {
this.output = output;
}
public void write_node(StanzaNode node) throws XmlError {
try {
lock(output) {
output.write_all(node.to_xml().data, null);
}
} catch (GLib.IOError e) {
throw new XmlError.IO_ERROR(@"IOError in GLib: $(e.message)");
}
public async void write_node(StanzaNode node) throws XmlError {
yield write_data(node.to_xml().data);
}
public async void write(string s) throws XmlError {
yield write_data(s.data);
}
private async void write_data(uint8[] data) throws XmlError {
if (running) {
queue.push_tail(new SourceFuncWrapper(write_data.callback));
yield;
}
running = true;
try {
output.write_all(s.data, null);
} catch (GLib.IOError e) {
yield output.write_all_async(data, 0, null, null);
SourceFuncWrapper? sfw = queue.pop_head();
if (sfw != null) {
sfw.sfun();
}
} catch (GLib.Error e) {
throw new XmlError.IO_ERROR(@"IOError in GLib: $(e.message)");
} finally {
running = false;
}
}
}
public class SourceFuncWrapper : Object {
public SourceFunc sfun;
public SourceFuncWrapper(owned SourceFunc sfun) {
this.sfun = (owned)sfun;
}
}
}

28
xmpp-vala/src/core/xmpp_stream.vala
View file

@ -49,7 +49,7 @@ public class XmppStream {
int min_priority = -1;
ConnectionProvider? best_provider = null;
foreach (ConnectionProvider connection_provider in connection_providers) {
int? priority = connection_provider.get_priority(remote_name);
int? priority = yield connection_provider.get_priority(remote_name);
if (priority != null && (priority < min_priority || min_priority == -1)) {
min_priority = priority;
best_provider = connection_provider;
@ -57,9 +57,9 @@ public class XmppStream {
}
IOStream? stream = null;
if (best_provider != null) {
stream = best_provider.connect(this);
stream = yield best_provider.connect(this);
} else {
stream = (new SocketClient()).connect(new NetworkService("xmpp-client", "tcp", this.remote_name));
stream = yield (new SocketClient()).connect_async(new NetworkService("xmpp-client", "tcp", this.remote_name));
}
if (stream == null) throw new IOStreamError.CONNECT("client.connect() returned null");
reset_stream((!)stream);
@ -108,12 +108,16 @@ public class XmppStream {
}
}
public void write(StanzaNode node) throws IOStreamError {
public void write(StanzaNode node) {
write_async.begin(node);
}
public async void write_async(StanzaNode node) throws IOStreamError {
StanzaWriter? writer = this.writer;
if (writer == null) throw new IOStreamError.WRITE("trying to write, but no stream open");
try {
log.node("OUT", node);
((!)writer).write_node(node);
yield ((!)writer).write_node(node);
} catch (XmlError e) {
throw new IOStreamError.WRITE(e.message);
}
@ -342,19 +346,19 @@ public abstract class XmppStreamNegotiationModule : XmppStreamModule {
}
public abstract class ConnectionProvider {
public abstract int? get_priority(string remote_name);
public abstract IOStream? connect(XmppStream stream);
public async abstract int? get_priority(string remote_name);
public async abstract IOStream? connect(XmppStream stream);
public abstract string get_id();
}
public class StartTlsConnectionProvider : ConnectionProvider {
private SrvTarget? srv_target;
public override int? get_priority(string remote_name) {
public async override int? get_priority(string remote_name) {
GLib.List<SrvTarget>? xmpp_target = null;
try {
Resolver resolver = Resolver.get_default();
xmpp_target = resolver.lookup_service("xmpp-client", "tcp", remote_name, null);
GLibFixes.Resolver resolver = GLibFixes.Resolver.get_default();
xmpp_target = yield resolver.lookup_service_async("xmpp-client", "tcp", remote_name, null);
} catch (Error e) {
return null;
}
@ -363,10 +367,10 @@ public class StartTlsConnectionProvider : ConnectionProvider {
return xmpp_target.nth(0).data.get_priority();
}
public override IOStream? connect(XmppStream stream) {
public async override IOStream? connect(XmppStream stream) {
try {
SocketClient client = new SocketClient();
return client.connect_to_host(srv_target.get_hostname(), srv_target.get_port());
return yield client.connect_to_host_async(srv_target.get_hostname(), srv_target.get_port());
} catch (Error e) {
return null;
}

42
xmpp-vala/src/glib_fixes.vapi Normal file
View file

@ -0,0 +1,42 @@
[CCode (cprefix = "G", gir_namespace = "Gio", gir_version = "2.0", lower_case_cprefix = "g_")]
namespace GLibFixes {
[CCode (cheader_filename = "gio/gio.h", type_id = "g_resolver_get_type ()")]
public class Resolver : GLib.Object {
[CCode (has_construct_function = false)]
protected Resolver();
[Version (since = "2.22")]
public static Resolver get_default();
[Version (since = "2.22")]
public virtual string lookup_by_address(GLib.InetAddress address, GLib.Cancellable? cancellable = null) throws GLib.Error ;
[Version (since = "2.22")]
public virtual async string lookup_by_address_async(GLib.InetAddress address, GLib.Cancellable? cancellable = null) throws GLib.Error ;
[Version (since = "2.22")]
public virtual GLib.List<GLib.InetAddress> lookup_by_name(string hostname, GLib.Cancellable? cancellable = null) throws GLib.Error ;
[Version (since = "2.22")]
public virtual async GLib.List<GLib.InetAddress> lookup_by_name_async(string hostname, GLib.Cancellable? cancellable = null) throws GLib.Error ;
[Version (since = "2.34")]
public virtual GLib.List<GLib.Variant> lookup_records(string rrname, GLib.ResolverRecordType record_type, GLib.Cancellable? cancellable = null) throws GLib.Error ;
[Version (since = "2.34")]
public virtual async GLib.List<GLib.Variant> lookup_records_async(string rrname, GLib.ResolverRecordType record_type, GLib.Cancellable? cancellable = null) throws GLib.Error ;
[Version (since = "2.22")]
public virtual GLib.List<GLib.SrvTarget> lookup_service(string service, string protocol, string domain, GLib.Cancellable? cancellable = null) throws GLib.Error ;
[CCode (finish_vfunc_name = "lookup_service_finish", vfunc_name = "lookup_service_async")]
public async GLib.List<GLib.SrvTarget> lookup_service_async (string service, string protocol, string domain, GLib.Cancellable? cancellable = null) throws GLib.Error;
[Version (since = "2.22")]
public void set_default();
public virtual signal void reload ();
}
}

4
xmpp-vala/src/module/iq/module.vala
View file

@ -13,11 +13,7 @@ namespace Xmpp.Iq {
public delegate void OnResult(XmppStream stream, Iq.Stanza iq);
public void send_iq(XmppStream stream, Iq.Stanza iq, owned OnResult? listener = null) {
try {
stream.write(iq.stanza);
} catch (IOStreamError e) {
print(@"$(e.message)\n");
}
if (listener != null) {
responseListeners[iq.id] = new ResponseListener((owned) listener);
}

4
xmpp-vala/src/module/tls.vala
View file

@ -53,11 +53,7 @@ namespace Xmpp.Tls {
server_requires_tls = true;
}
if (server_requires_tls || require) {
try {
stream.write(new StanzaNode.build("starttls", NS_URI).add_self_xmlns());
} catch (IOStreamError e) {
stderr.printf("Failed to request TLS: %s\n", e.message);
}
}
if (identity == null) {
identity = new NetworkService("xmpp-client", "tcp", stream.remote_name);

25
xmpp-vala/src/module/util.vala
View file

@ -48,16 +48,6 @@ public class StanzaListenerHolder<T> : Object {
}
}
private Gee.List<StanzaListener<T>> set_minus(Gee.List<StanzaListener<T>> main_set, Gee.List<StanzaListener<T>> minus) {
Gee.List<StanzaListener<T>> res = new ArrayList<StanzaListener<T>>();
foreach (StanzaListener<T> l in main_set) {
if (!minus.contains(l)) {
res.add(l);
}
}
return res;
}
private bool set_contains_action(Gee.List<StanzaListener<T>> s, string[] actions) {
foreach(StanzaListener<T> l in s) {
if (l.action_group in actions) {
@ -69,16 +59,23 @@ public class StanzaListenerHolder<T> : Object {
private void resort_list() {
ArrayList<StanzaListener<T>> new_list = new ArrayList<StanzaListener<T>>();
while (listeners.size > new_list.size) {
ArrayList<StanzaListener<T>> remaining = new ArrayList<StanzaListener<T>>();
remaining.add_all(listeners);
while (remaining.size > 0) {
bool changed = false;
foreach (StanzaListener<T> l in listeners) {
Gee.List<StanzaListener<T>> remaining = set_minus(listeners, new_list);
Gee.Iterator<StanzaListener<T>> iter = remaining.iterator();
while (iter.has_next()) {
if (!iter.valid) {
iter.next();
}
StanzaListener<T> l = iter.get();
if (!set_contains_action(remaining, l.after_actions)) {
new_list.add(l);
iter.remove();
changed = true;
}
}
if (!changed) warning("Can't sort listeners");
if (!changed) error("Can't sort listeners");
}
listeners = new_list;
}

10
xmpp-vala/src/module/xep/0368_srv_records_tls.vala
View file

@ -22,11 +22,11 @@ public class Module : XmppStreamNegotiationModule {
public class TlsConnectionProvider : ConnectionProvider {
private SrvTarget? srv_target;
public override int? get_priority(string remote_name) {
public async override int? get_priority(string remote_name) {
GLib.List<SrvTarget>? xmpp_target = null;
try {
Resolver resolver = Resolver.get_default();
xmpp_target = resolver.lookup_service("xmpps-client", "tcp", remote_name, null);
GLibFixes.Resolver resolver = GLibFixes.Resolver.get_default();
xmpp_target = yield resolver.lookup_service_async("xmpps-client", "tcp", remote_name, null);
} catch (Error e) {
return null;
}
@ -35,10 +35,10 @@ public class TlsConnectionProvider : ConnectionProvider {
return xmpp_target.nth(0).data.get_priority();
}
public override IOStream? connect(XmppStream stream) {
public async override IOStream? connect(XmppStream stream) {
SocketClient client = new SocketClient();
try {
IOStream? io_stream = client.connect_to_host(srv_target.get_hostname(), srv_target.get_port());
IOStream? io_stream = yield client.connect_to_host_async(srv_target.get_hostname(), srv_target.get_port());
io_stream = TlsClientConnection.new(io_stream, new NetworkAddress(srv_target.get_hostname(), srv_target.get_port()));
stream.add_flag(new Tls.Flag() { finished=true });
return io_stream;