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#include <glib.h>
#include <gio/gio.h>

#include "connection.h"
#include "cmumble.h"

static gboolean
read_cb(GObject *pollable_stream, gpointer data)
{
	GPollableInputStream *input = G_POLLABLE_INPUT_STREAM(pollable_stream);
	struct context *ctx = data;
	gint count;

	do {
		count = recv_msg(ctx);
	} while (count && g_pollable_input_stream_is_readable(input));

	return TRUE;
}

static gboolean
do_ping(struct context *ctx)
{
	MumbleProto__Ping ping;
	GTimeVal tv;

	g_get_current_time(&tv);
	mumble_proto__ping__init(&ping);
	ping.timestamp = tv.tv_sec;
	ping.resync = 1;
	send_msg(ctx, &ping.base);

	return TRUE;
}

static void
setup_ping_timer(struct context *ctx)
{
	GSource *source;

	source = g_timeout_source_new_seconds(5);
	g_source_set_callback(source, (GSourceFunc) do_ping, ctx, NULL);
	g_source_attach(source, NULL);
	g_source_unref(source);
}

int
cmumble_connection_init(struct context *ctx,
			const char *host, int port)
{
	struct cmumble_connection *con = &ctx->con;
	GError *error = NULL;

	con->sock_client = g_socket_client_new();
	g_socket_client_set_tls(con->sock_client, TRUE);
	g_socket_client_set_tls_validation_flags(con->sock_client,
						 G_TLS_CERTIFICATE_INSECURE);
	g_socket_client_set_family(con->sock_client, G_SOCKET_FAMILY_IPV4);
	g_socket_client_set_protocol(con->sock_client,
				     G_SOCKET_PROTOCOL_TCP);
	g_socket_client_set_socket_type(con->sock_client,
					G_SOCKET_TYPE_STREAM);

	con->conn =
		g_socket_client_connect_to_host(con->sock_client,
						host, port, NULL, &error);
	if (error) {
		g_printerr("connect failed: %s\n", error->message);
		return -1;
	}

	g_object_get(G_OBJECT(con->conn),
		     "input-stream", &con->input,
		     "output-stream", &con->output, NULL);

	if (!G_IS_POLLABLE_INPUT_STREAM(con->input) ||
	    !g_pollable_input_stream_can_poll(con->input)) {
		g_printerr("Error: GSocketConnection is not pollable\n");
		return 1;
	}

	con->source = g_pollable_input_stream_create_source(con->input, NULL);
	g_source_set_callback(con->source, (GSourceFunc) read_cb, ctx, NULL);
	g_source_attach(con->source, NULL);
	g_source_unref(con->source);

	setup_ping_timer(ctx);

	return 0;
}

int
cmumble_connection_fini(struct context *ctx)
{
	g_source_remove(g_source_get_id(ctx->con.source));
	g_source_unref(ctx->con.source);

	g_object_unref(G_OBJECT(ctx->con.input));
	g_object_unref(G_OBJECT(ctx->con.output));

	g_io_stream_close(G_IO_STREAM(ctx->con.conn), NULL, NULL);
	g_object_unref(G_OBJECT(ctx->con.conn));
	g_object_unref(G_OBJECT(ctx->con.sock_client));

	return 0;
}