/*****************************************************************************/
var cloudeebus = window.cloudeebus = {
- version: "0.5.1",
+ version: "0.5.0",
minVersion: "0.3.2"
};
};
+cloudeebus.BusConnection.prototype.addService = function(serviceName) {
+ var self = this;
+
+ var future = new cloudeebus.Future(function (resolver) {
+ cloudeebusService = new cloudeebus.Service(self.wampSession, self, serviceName);
+
+ function busServiceAddedSuccessCB(service) {
+ try {
+ service.isCreated = true;
+ var result = [cloudeebusService];
+ resolver.accept(result[0], true);
+ }
+ catch (e) {
+ cloudeebus.log("Method callback exception: " + e);
+ resolver.reject(e, true);
+ }
+ }
+
+ function busServiceErrorSuccessCB(error) {
+ resolver.reject(error, true);
+ }
+
+ cloudeebusService.add(this).then(busServiceAddedSuccessCB, busServiceErrorSuccessCB);
+ });
+
+ return future;
+};
+
+cloudeebus.BusConnection.prototype.removeService = function(serviceName, successCB, errorCB) {
+ var self = this;
+
+ function busServiceRemovedSuccessCB(serviceName) {
+ // Be sure we are removing the service requested...
+ if (serviceName == self.service.name) {
+ self.service = null;
+ if (successCB)
+ successCB(serviceName);
+ }
+ }
+
+ cloudeebusService.remove(busServiceRemovedSuccessCB, errorCB);
+};
+
+
+/*****************************************************************************/
+//Generic definition for an agent. An agent need :
+//srvDbusName : the DBus parent service
+//objPath : a DBus path to access it
+//jsHdl : a Javascript handler to process methods,
+//xml : the xml which describe interface/methods/signals...
+Agent = function(srvDbusName, objPath, jsHdl, xml) {
+ this.srvName = srvDbusName;
+ this.registered = false;
+ this.xml = xml;
+ this.objectPath = objPath;
+ this.jsHdl = jsHdl;
+ return this;
+};
+
+
+cloudeebus.Service = function(session, busConnection, name) {
+ this.wampSession = session;
+ this.busConnection = busConnection;
+ this.name = name;
+ this.isCreated = false;
+ return this;
+};
+
+cloudeebus.Service.prototype.add = function(future) {
+ var self = this;
+ self.future = future;
+ var resolver = self.future.resolver;
+
+ function ServiceAddedSuccessCB(serviceName) {
+ try { // calling dbus hook object function for un-translated types
+ var result = [self];
+ resolver.accept(result[0], true);
+ }
+ catch (e) {
+ cloudeebus.log("Method callback exception: " + e);
+ resolver.reject(e, true);
+ }
+ }
+
+ function ServiceAddedErrorCB(error) {
+ cloudeebus.log("Error adding service method: " + self.name + ", error: " + error.desc);
+ self.future.resolver.reject(error.desc, true);
+ }
+
+ var arglist = [
+ this.busConnection,
+ this.name
+ ];
+
+ // call dbusSend with bus type, destination, object, message and arguments
+ this.wampSession.call("serviceAdd", arglist).then(ServiceAddedSuccessCB, ServiceAddedErrorCB);
+ return future;
+};
+
+cloudeebus.Service.prototype.remove = function(successCB, errorCB) {
+ function ServiceRemovedSuccessCB(serviceName) {
+ if (successCB) {
+ try {
+ successCB(serviceName);
+ }
+ catch (e) {
+ alert("Exception removing service " + serviceName + " : " + e);
+ }
+ }
+ }
+
+ var arglist = [
+ this.name
+ ];
+
+ // call dbusSend with bus type, destination, object, message and arguments
+ this.wampSession.call("serviceRelease", arglist).then(ServiceRemovedSuccessCB, errorCB);
+};
+
+cloudeebus.Service.prototype._searchMethod = function(ifName, method, objectJS) {
+
+ var funcToCall = null;
+
+ // Check if 'objectJS' has a member 'interfaceProxies' with an interface named 'ifName'
+ // and a method named 'method'
+ if (objectJS.interfaceProxies && objectJS.interfaceProxies[ifName] &&
+ objectJS.interfaceProxies[ifName][method]) {
+ funcToCall = objectJS.interfaceProxies[ifName][method];
+ } else {
+ // retrieve the method directly from 'root' of objectJs
+ funcToCall = objectJS[method];
+ }
+
+ return funcToCall;
+};
+
+cloudeebus.Service.prototype._addMethod = function(ifName, method, agent) {
+
+ var service = this;
+ var methodId = this.name + "#" + agent.objectPath + "#" + ifName + "#" + method;
+ var funcToCall = this._searchMethod(ifName, method, agent.jsHdl);
+
+ if (funcToCall == null)
+ cloudeebus.log("Method " + method + " doesn't exist in Javascript object");
+ else {
+ agent.jsHdl.wrapperFunc[method] = function() {
+ var result;
+ var methodId = arguments[0];
+ var callDict = {};
+ // affectation of callDict in eval, otherwise dictionary(='{}') interpreted as block of code by eval
+ eval("callDict = " + arguments[1]);
+ try {
+ result = funcToCall.apply(agent.jsHdl, callDict.args);
+ service._returnMethod(methodId, callDict.callIndex, true, result);
+ }
+ catch (e) {
+ cloudeebus.log("Method " + ifName + "." + method + " call on " + agent.objectPath + " exception: " + e);
+ service._returnMethod(methodId, callDict.callIndex, false, e.message);
+ }
+ };
+ agent.jsHdl.methodId[agent.objectPath].push(methodId);
+ cloudeebus.log("subscribe " + methodId);
+ this.wampSession.subscribe(methodId, agent.jsHdl.wrapperFunc[method]);
+ }
+};
+
+cloudeebus.Service.prototype._addSignal = function(ifName, signal, agent) {
+ var service = this;
+ var methodExist = false;
+
+ if (agent.jsHdl.interfaceProxies && agent.jsHdl.interfaceProxies[ifName])
+ if (agent.jsHdl.interfaceProxies[ifName][signal]) {
+ methodExist = true;
+ } else {
+ agent.jsHdl.interfaceProxies[ifName][signal] = function() {
+ service._emitSignal(agent.objectPath, signal, arguments[0]);
+ };
+ return;
+ }
+
+ if ((agent.jsHdl[signal] == undefined || agent.jsHdl[signal] == null) && !methodExist)
+ agent.jsHdl[signal] = function() {
+ service.emitSignal(agent.objectPath, signal, arguments[0]);
+ };
+ else
+ cloudeebus.log("Can not create new method to emit signal '" + signal + "' in object JS this method already exist!");
+};
+
+cloudeebus.Service.prototype._createWrapper = function(agent) {
+ var self = this;
+ var parser = new DOMParser();
+ var xmlDoc = parser.parseFromString(agent.xml, "text/xml");
+ var ifXml = xmlDoc.getElementsByTagName("interface");
+ agent.jsHdl.wrapperFunc = [];
+ agent.jsHdl.methodId = [];
+ agent.jsHdl.methodId[agent.objectPath] = [];
+ for (var i=0; i < ifXml.length; i++) {
+ var ifName = ifXml[i].attributes.getNamedItem("name").value;
+ var ifChild = ifXml[i].firstChild;
+ while (ifChild) {
+ if (ifChild.nodeName == "method") {
+ var metName = ifChild.attributes.getNamedItem("name").value;
+ self._addMethod(ifName, metName, agent);
+ }
+ if (ifChild.nodeName == "signal") {
+ var metName = ifChild.attributes.getNamedItem("name").value;
+ self._addSignal(objectPath, ifName, metName, objectJS);
+ }
+ ifChild = ifChild.nextSibling;
+ }
+ }
+};
+
+cloudeebus.Service.prototype.addAgent = function(agent, successCB, errorCB) {
+ function ServiceAddAgentSuccessCB(objPath) {
+ if (successCB) {
+ try {
+ successCB(objPath);
+ }
+ catch (e) {
+ alert("Exception adding agent " + agent.objectPath + " : " + e);
+ }
+ }
+ }
+
+ try {
+ this._createWrapper(agent);
+ }
+ catch (e) {
+ alert("Exception creating agent wrapper " + agent.objectPath + " : " + e);
+ errorCB(e);
+ return;
+ }
+
+ var arglist = [
+ agent.objectPath,
+ agent.xml
+ ];
+
+ // call dbusSend with bus type, destination, object, message and arguments
+ this.wampSession.call("serviceAddAgent", arglist).then(ServiceAddAgentSuccessCB, errorCB);
+};
+
+cloudeebus.Service.prototype._deleteWrapper = function(agent) {
+ var self = this;
+ var objJs = agent.jsHdl;
+ if (objJs.methodId[agent.objectPath]) {
+ for (var idx in objJs.methodId[agent.objectPath]) {
+ try {
+ cloudeebus.log("unsubscribe " + objJs.methodId[agent.objectPath][idx]);
+ this.wampSession.unsubscribe(objJs.methodId[agent.objectPath][idx]);
+ objJs.methodId[agent.objectPath][idx] = null;
+ }
+ catch (e) {
+ cloudeebus.log("Unsubscribe error: " + e);
+ }
+ }
+ delete objJs.methodId[agent.objectPath];
+ }
+};
+
+cloudeebus.Service.prototype.delAgent = function(rmAgent, successCB, errorCB) {
+ function ServiceDelAgentSuccessCB(agent) {
+ if (successCB) {
+ try {
+ successCB(agent);
+ }
+ catch (e) {
+ alert("Exception deleting agent " + rmAgent.objectPath + " : " + e);
+ errorCB(e);
+ }
+ }
+ }
+
+ try {
+ this._deleteWrapper(rmAgent);
+ }
+ catch (e) {
+ alert("Exception deleting agent wrapper " + rmAgent.objectPath + " : " + e);
+ errorCB(e);
+ }
+
+ var arglist = [
+ rmAgent.objectPath
+ ];
+
+ // call dbusSend with bus type, destination, object, message and arguments
+ this.wampSession.call("serviceDelAgent", arglist).then(ServiceDelAgentSuccessCB, errorCB);
+};
+
+cloudeebus.Service.prototype._returnMethod = function(methodId, callIndex, success, result, successCB, errorCB) {
+ var arglist = [
+ methodId,
+ callIndex,
+ success,
+ result
+ ];
+
+ this.wampSession.call("returnMethod", arglist).then(successCB, errorCB);
+};
+
+cloudeebus.Service.prototype._emitSignal = function(objectPath, signalName, result, successCB, errorCB) {
+ var arglist = [
+ objectPath,
+ signalName,
+ result
+ ];
+
+ this.wampSession.call("emitSignal", arglist).then(successCB, errorCB);
+};
+
+
+/*****************************************************************************/
+
+function _processWrappers(wrappers, value) {
+ for (var i=0; i<wrappers.length; i++)
+ wrappers[i](value);
+}
+
+
+function _processWrappersAsync(wrappers, value) {
+ var taskid = -1;
+ function processAsyncOnce() {
+ _processWrappers(wrappers, value);
+ clearInterval(taskid);
+ }
+ taskid = setInterval(processAsyncOnce, 200);
+}
+
+
+
+/*****************************************************************************/
+
+cloudeebus.FutureResolver = function(future) {
+ this.future = future;
+ this.resolved = null;
+ return this;
+};
+
+
+cloudeebus.FutureResolver.prototype.resolve = function(value, sync) {
+ if (this.resolved)
+ return;
+
+ var then = (value && value.then && value.then.apply) ? value.then : null;
+ if (then) {
+ var self = this;
+ var acceptCallback = function(arg) {
+ self.resolve(arg, true);
+ };
+ var rejectCallback = function(arg) {
+ self.reject(arg, true);
+ };
+ try {
+ then.apply(value, [acceptCallback, rejectCallback]);
+ }
+ catch (e) {
+ this.reject(e, true);
+ }
+ }
+
+ this.accept(value, sync);
+};
+
+
+cloudeebus.FutureResolver.prototype.accept = function(value, sync) {
+ if (this.resolved)
+ return;
+
+ var future = this.future;
+ future.state = "accepted";
+ future.result = value;
+
+ this.resolved = true;
+ if (sync)
+ _processWrappers(future._acceptWrappers, value);
+ else
+ _processWrappersAsync(future._acceptWrappers, value);
+};
+
+
+cloudeebus.FutureResolver.prototype.reject = function(value, sync) {
+ if (this.resolved)
+ return;
+
+ var future = this.future;
+ future.state = "rejected";
+ future.result = value;
+
+ this.resolved = true;
+ if (sync)
+ _processWrappers(future._rejectWrappers, value);
+ else
+ _processWrappersAsync(future._rejectWrappers, value);
+};
+
+
+
+/*****************************************************************************/
+
+cloudeebus.Future = function(init) {
+ this.state = "pending";
+ this.result = null;
+ this._acceptWrappers = [];
+ this._rejectWrappers = [];
+ this.resolver = new cloudeebus.FutureResolver(this);
+ if (init) {
+ try {
+ init.apply(this, [this.resolver]);
+ }
+ catch (e) {
+ this.resolver.reject(e, true);
+ }
+ }
+ return this;
+};
+
+
+cloudeebus.Future.prototype.appendWrappers = function(acceptWrapper, rejectWrapper) {
+ this._acceptWrappers.push(acceptWrapper);
+ this._rejectWrappers.push(rejectWrapper);
+ if (this.state == "accepted")
+ _processWrappersAsync(this._acceptWrappers, this.result);
+ if (this.state == "rejected")
+ _processWrappersAsync(this._rejectWrappers, this.result);
+};
+
+
+cloudeebus.Future.prototype.then = function(acceptCB, rejectCB) {
+ var future = new cloudeebus.Future();
+ var resolver = future.resolver;
+ var acceptWrapper, rejectWrapper;
+
+ if (acceptCB)
+ acceptWrapper = function(arg) {
+ try {
+ var value = acceptCB.apply(future, [arg]);
+ resolver.resolve(value, true);
+ }
+ catch (e) {
+ resolver.reject(e, true);
+ }
+ };
+ else
+ acceptWrapper = function(arg) {
+ resolver.accept(arg, true);
+ };
+
+ if (rejectCB)
+ rejectWrapper = function(arg) {
+ try {
+ var value = rejectCB.apply(future, [arg]);
+ resolver.resolve(value, true);
+ }
+ catch (e) {
+ resolver.reject(e, true);
+ }
+ };
+ else
+ rejectWrapper = function(arg) {
+ resolver.reject(arg, true);
+ };
+
+ this.appendWrappers(acceptWrapper,rejectWrapper);
+ return future;
+};
+
+
/*****************************************************************************/
projects / contrib / cloudeebus.git / blobdiff