protected String getRallyXML(String apiUrl) throws Exception {
String responseXML = "";
DefaultHttpClient httpClient = new DefaultHttpClient();
Base64 base64 = new Base64();
String encodeString =
new String(base64.encode((rallyApiHttpUsername + ":" + rallyApiHttpPassword).getBytes()));
HttpGet httpGet = new HttpGet(apiUrl);
httpGet.addHeader("Authorization", "Basic " + encodeString);
HttpResponse response = httpClient.execute(httpGet);
HttpEntity entity = response.getEntity();
if (entity != null) {
InputStreamReader reader = new InputStreamReader(entity.getContent());
BufferedReader br = new BufferedReader(reader);
StringBuilder sb = new StringBuilder();
String line = "";
while ((line = br.readLine()) != null) {
sb.append(line);
}
responseXML = sb.toString();
}
log.debug("responseXML=" + responseXML);
return responseXML;
}
// function to do the join use case
public static void share() throws Exception {
HttpPost method = new HttpPost(url + "/share");
String ipAddress = null;
Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
while (en.hasMoreElements()) {
NetworkInterface ni = (NetworkInterface) en.nextElement();
if (ni.getName().equals("eth0")) {
Enumeration<InetAddress> en2 = ni.getInetAddresses();
while (en2.hasMoreElements()) {
InetAddress ip = (InetAddress) en2.nextElement();
if (ip instanceof Inet4Address) {
ipAddress = ip.getHostAddress();
break;
}
}
break;
}
}
method.setEntity(new StringEntity(username + ';' + ipAddress, "UTF-8"));
try {
ResponseHandler<String> responseHandler = new BasicResponseHandler();
connIp = client.execute(method, responseHandler);
} catch (IOException e) {
System.err.println("Fatal transport error: " + e.getMessage());
e.printStackTrace();
}
// get present time
date = new Date();
long start = date.getTime();
// Execute the vishwa share process
Process p = Runtime.getRuntime().exec("java -jar vishwa/JVishwa.jar " + connIp);
String ch = "alive";
System.out.println("Type kill to unjoin from the grid");
while (!ch.equals("kill")) {
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
ch = in.readLine();
}
p.destroy();
date = new Date();
long end = date.getTime();
long durationInt = end - start;
String duration = String.valueOf(durationInt);
method = new HttpPost(url + "/shareAck");
method.setEntity(new StringEntity(username + ";" + duration, "UTF-8"));
try {
client.execute(method);
} catch (IOException e) {
System.err.println("Fatal transport error: " + e.getMessage());
e.printStackTrace();
}
}
/**
* this is the primary method that sends a query to the CIPRes REST service. It expects to receive
* an XML file, which it returns in Document if the root tag matc hes xmlRootTag
*/
public Document cipresQuery(HttpClient httpclient, String URL, String xmlRootTag) {
if (StringUtil.blank(URL)) return null;
try {
HttpGet httpget = new HttpGet(URL);
httpget.addHeader("cipres-appkey", CIPRESkey);
try {
HttpResponse response = httpclient.execute(httpget);
HttpEntity responseEntity = response.getEntity();
InputStream instream = responseEntity.getContent();
BufferedReader br = new BufferedReader(new InputStreamReader(instream));
String line = "";
StringBuffer sb = new StringBuffer();
while ((line = br.readLine()) != null) {
sb.append(line + StringUtil.lineEnding());
}
Document cipresResponseDoc = loadXMLFile(xmlRootTag, sb.toString());
if (cipresResponseDoc != null && verbose) {
ownerModule.logln(sb.toString());
}
if (cipresResponseDoc == null) {
Document errorDoc = loadXMLFile(sb.toString());
if (errorDoc != null) reportError(errorDoc, "Error in communicating with CIPRes", true);
}
EntityUtils.consume(response.getEntity());
return cipresResponseDoc;
} catch (IOException e) {
Debugg.printStackTrace(e);
} catch (Exception e) {
Debugg.printStackTrace(e);
}
} catch (Exception e) {
Debugg.printStackTrace(e);
}
return null;
}
// function to do the compute use case
public static void compute() throws Exception {
HttpPost method = new HttpPost(url + "/compute");
method.setEntity(new StringEntity(username, "UTF-8"));
try {
ResponseHandler<String> responseHandler = new BasicResponseHandler();
connIp = client.execute(method, responseHandler);
} catch (IOException e) {
System.err.println("Fatal transport error: " + e.getMessage());
e.printStackTrace();
}
System.out.println("Give the file name which has to be put in the grid for computation");
// input of the file name to be computed
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
String name = in.readLine();
// get the absolute path of the current working directory
File directory = new File(".");
String pwd = directory.getAbsolutePath();
// get present time
date = new Date();
long start = date.getTime();
String cmd = "java -classpath " + pwd + "/vishwa/JVishwa.jar:. " + name + " " + connIp;
System.out.println(cmd);
// Execute the vishwa compute process
Process p = Runtime.getRuntime().exec(cmd);
// wait till the compute process is completed
// check for the status code (0 for successful termination)
int status = p.waitFor();
if (status == 0) {
System.out.println("Compute operation successful. Check the directory for results");
}
date = new Date();
long end = date.getTime();
long durationInt = end - start;
String duration = String.valueOf(durationInt);
method = new HttpPost(url + "/computeAck");
method.setEntity(new StringEntity(username + ";" + duration, "UTF-8"));
try {
client.execute(method);
} catch (IOException e) {
System.err.println("Fatal transport error: " + e.getMessage());
e.printStackTrace();
}
}
public static void main(String args[]) throws Exception {
int choice;
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
System.out.println("Vishwa Based Campus Compute Cloud");
while (true) {
System.out.println("");
if (username != null) {
System.out.println("1. Logout");
} else {
System.out.println("1. Login");
}
System.out.println("2. Join the Grid");
System.out.println("3. Avail the compute facility");
System.out.println("4. Quit");
System.out.printf("Enter your choice: ");
try {
choice = Integer.parseInt(in.readLine());
} catch (NumberFormatException ex) {
System.out.println("WARNING: Enter a number only!");
continue;
}
if (choice == 1) {
if (username != null) {
username = null;
} else {
System.out.printf("Enter your username: "******"Enter your password: "******"Successfully logged in!");
} else {
System.out.println("Unable to login. Please check your credentials.");
username = null;
}
}
} else if (choice == 2) {
share();
} else if (choice == 3) {
compute();
} else {
System.exit(0);
}
}
}
public String getEntityString(HttpEntity entity) throws Exception {
StringBuilder sb = new StringBuilder();
if (entity != null) {
InputStreamReader reader = new InputStreamReader(entity.getContent());
BufferedReader br = new BufferedReader(reader);
String line = "";
while ((line = br.readLine()) != null) {
sb.append(line);
}
}
return sb.toString();
}
public String loadStream(InputStream is) {
StringBuilder sb = new StringBuilder();
try {
InputStreamReader reader = new InputStreamReader(is);
BufferedReader br = new BufferedReader(reader);
String line = "";
while ((line = br.readLine()) != null) {
sb.append(line);
}
} catch (Exception e) {
log.error("", e);
}
return sb.toString();
}
private CIJob getJob(ApplicationInfo appInfo) throws PhrescoException {
Gson gson = new Gson();
try {
BufferedReader br = new BufferedReader(new FileReader(getCIJobPath(appInfo)));
CIJob job = gson.fromJson(br, CIJob.class);
br.close();
return job;
} catch (FileNotFoundException e) {
S_LOGGER.debug(e.getLocalizedMessage());
return null;
} catch (com.google.gson.JsonParseException e) {
S_LOGGER.debug("it is already adpted project !!!!! " + e.getLocalizedMessage());
return null;
} catch (IOException e) {
S_LOGGER.debug(e.getLocalizedMessage());
return null;
}
}
public List<CIJob> getJobs(ApplicationInfo appInfo) throws PhrescoException {
S_LOGGER.debug("GetJobs Called!");
try {
boolean adaptedProject = adaptExistingJobs(appInfo);
S_LOGGER.debug("Project adapted for new feature => " + adaptedProject);
Gson gson = new Gson();
BufferedReader br = new BufferedReader(new FileReader(getCIJobPath(appInfo)));
Type type = new TypeToken<List<CIJob>>() {}.getType();
List<CIJob> jobs = gson.fromJson(br, type);
br.close();
return jobs;
} catch (FileNotFoundException e) {
S_LOGGER.debug("FileNotFoundException");
return null;
} catch (IOException e) {
S_LOGGER.debug("IOException");
throw new PhrescoException(e);
}
}
/** The core method that initiates a job on CIPRes. */
public boolean postJob(
HttpClient httpclient, MultipartEntityBuilder builder, MesquiteString jobURL) {
if (builder == null) return false;
String URL = baseURL + "/job/" + username;
HttpPost httppost = new HttpPost(URL);
httppost.addHeader("cipres-appkey", CIPRESkey);
// some of this from
// http://stackoverflow.com/questions/18964288/upload-a-file-through-an-http-form-via-multipartentitybuilder-with-a-progress
HttpEntity cipresEntity = builder.build();
httppost.setEntity(cipresEntity);
try {
HttpResponse response = httpclient.execute(httppost);
HttpEntity responseEntity = response.getEntity();
InputStream instream = responseEntity.getContent();
BufferedReader br = new BufferedReader(new InputStreamReader(instream));
StringBuffer sb = new StringBuffer();
String line = "";
while ((line = br.readLine()) != null) {
sb.append(line + StringUtil.lineEnding());
}
Document cipresResponseDoc = loadXMLFile("jobstatus", sb.toString()); // let's see how it went
boolean success = false;
if (cipresResponseDoc != null) {
processJobSubmissionResponse(cipresResponseDoc, jobURL);
if (verbose) ownerModule.logln(sb.toString());
if (jobURL != null) success = StringUtil.notEmpty(jobURL.getValue());
else success = true;
} else {
cipresResponseDoc = loadXMLFile(sb.toString());
reportError(cipresResponseDoc, "Error with CIPRes run", false);
}
EntityUtils.consume(response.getEntity());
return success;
} catch (IOException e) {
Debugg.printStackTrace(e);
}
return false;
}