return calculate().then(function(when) {
var arg = (operation == "shutdown") ? "--poweroff" : "--reboot";
var message = $("#shutdown-dialog textarea").val();
if (operation == "restart")
cockpit.hint("restart");
return cockpit.spawn(["shutdown", arg, when, message], { superuser: true, err: "message" });
});
.done(function(result) {
var connect_args = {
"superuser" : true,
"address": result[0],
"bus": "none"
};
if (reboot)
cockpit.hint('restart');
transaction_client = cockpit.dbus(null, connect_args);
transaction_client.addEventListener("close", on_close);
subscription = transaction_client.subscribe({ 'path' : "/", },
function(path, iface, signal, args) {
if (signal == "DownloadProgress") {
var line = build_progress_line(args);
if (line)
dp.notify(line);
} else if (signal == "Message") {
dp.notify(args[0]);
} else if (signal == "Finished") {
if (args) {
if (args[0]) {
dp.resolve(args[1]);
cleanup();
} else {
fail(args[1]);
}
} else {
console.warn("Unexpected transaction response", args);
fail({ "problem": "protocol-error" });
}
}
});
transaction_client.call("/", TRANSACTION, "Start");
});
function message_handler(event) {
if (event.origin !== origin)
return;
var data = event.data;
var child = event.source;
if (!child || typeof data !== "string")
return;
var source = source_by_name[child.name];
var control;
/* Closing the transport */
if (data.length === 0) {
if (source)
unregister(source);
return;
}
/* A control message */
if (data[0] == '\n') {
control = JSON.parse(data.substring(1));
if (control.command === "init") {
if (source)
unregister(source);
source = register(child);
if (source) {
var reply = $.extend({ }, cockpit.transport.options,
{ command: "init", "host": source.default_host, "channel-seed": source.channel_seed }
);
child.postMessage("\n" + JSON.stringify(reply), origin);
source.inited = true;
/* If this new frame is not the current one, tell it */
if (child.frameElement != index.current_frame())
self.hint(child.frameElement.contentWindow, { "hidden": true });
}
} else if (control.command === "jump") {
perform_jump(child, control);
return;
} else if (control.command === "hint") {
if (control.hint == "restart") {
/* watchdog handles current host for now */
if (control.host != cockpit.transport.host)
index.expect_restart(control.host);
} else
cockpit.hint(control.hint, control);
return;
} else if (control.command == "oops") {
index.show_oops();
return;
/* Only control messages with a channel are forwardable */
} else if (control.channel === undefined) {
return;
/* Add the child's group to all open channel messages */
} else if (control.command == "open") {
control.group = child.name;
data = "\n" + JSON.stringify(control);
}
}
if (!source) {
console.warn("child frame " + child.name + " sending data without init");
return;
}
/* Everything else gets forwarded */
cockpit.transport.inject(data, true);
}
function message_handler(event) {
if (event.origin !== origin)
return;
var forward_command = false;
var data = event.data;
var child = event.source;
if (!child)
return;
/* If it's binary data just send it.
* TODO: Once we start restricting what frames can
* talk to which hosts, we need to parse control
* messages here, and cross check channels */
if (data instanceof window.ArrayBuffer) {
cockpit.transport.inject(data, true);
return;
}
if (typeof data !== "string")
return;
var source, control;
/*
* On Internet Explorer we see Access Denied when non Cockpit
* frames send messages (such as Javascript console). This also
* happens when the window is closed.
*/
try {
source = source_by_name[child.name];
} catch(ex) {
console.log("received message from child with in accessible name: ", ex);
return;
}
/* Closing the transport */
if (data.length === 0) {
if (source)
unregister(source);
return;
}
/* A control message */
if (data[0] == '\n') {
control = JSON.parse(data.substring(1));
if (control.command === "init") {
if (source)
unregister(source);
if (control.problem) {
console.warn("child frame failed to init: " + control.problem);
source = null;
} else {
source = register(child);
}
if (source) {
var reply = $.extend({ }, cockpit.transport.options,
{ command: "init", "host": source.default_host, "channel-seed": source.channel_seed }
);
child.postMessage("\n" + JSON.stringify(reply), origin);
source.inited = true;
/* If this new frame is not the current one, tell it */
if (child.frameElement != index.current_frame())
self.hint(child.frameElement.contentWindow, { "hidden": true });
}
} else if (control.command === "jump") {
perform_jump(child, control);
return;
} else if (control.command == "logout" || control.command == "kill") {
forward_command = true;
} else if (control.command === "hint") {
if (control.hint == "restart") {
/* watchdog handles current host for now */
if (control.host != cockpit.transport.host)
index.expect_restart(control.host);
} else
cockpit.hint(control.hint, control);
return;
} else if (control.command == "oops") {
index.show_oops();
return;
/* Only control messages with a channel are forwardable */
} else if (control.channel === undefined && !forward_command) {
return;
/* Add the child's group to all open channel messages */
} else if (control.command == "open") {
control.group = child.name;
data = "\n" + JSON.stringify(control);
}
}
if (!source) {
console.warn("child frame " + child.name + " sending data without init");
return;
}
/* Everything else gets forwarded */
cockpit.transport.inject(data, true);
}