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LibGUI: Make GSocket connection asynchronous.

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Now connect() will return immediately. Later on, when the socket is actually
connected, it will call GSocket::on_connected from the event loop. :^)
This commit is contained in:
Andreas Kling 2019-04-08 04:53:45 +02:00
parent 65d6318c33
commit 6d5a54690e
11 changed files with 65 additions and 29 deletions
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21
LibGUI/GSocket.cpp
View file

@ -1,9 +1,12 @@
#include <LibGUI/GSocket.h>
#include <LibGUI/GNotifier.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <stdio.h>
#include <netdb.h>
#include <errno.h>
GSocket::GSocket(Type type, GObject* parent)
: GIODevice(parent)
@ -41,17 +44,29 @@ bool GSocket::connect(const GSocketAddress& address, int port)
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
m_destination_address = address;
m_destination_port = port;
printf("Connecting to %s...", address.to_string().characters());
fflush(stdout);
int rc = ::connect(fd(), (struct sockaddr*)&addr, sizeof(addr));
if (rc < 0) {
if (errno == EINPROGRESS) {
printf("in progress.\n");
m_notifier = make<GNotifier>(fd(), GNotifier::Event::Write);
m_notifier->on_ready_to_write = [this] (GNotifier&) {
printf("%s{%p} connected!\n", class_name(), this);
m_connected = true;
m_notifier->set_event_mask(GNotifier::Event::None);
if (on_connected)
on_connected();
};
return true;
}
perror("connect");
exit(1);
}
printf("ok!\n");
m_destination_address = address;
m_destination_port = port;
m_connected = true;
return true;
}