Revision 840
Added by bojilova over 22 years ago
| MetacatReplication.java | ||
|---|---|---|
| 62 | 62 |
public void destroy() |
| 63 | 63 |
{
|
| 64 | 64 |
replicationDaemon.cancel(); |
| 65 |
System.out.println("Replication daemon cancelled.");
|
|
| 65 |
// System.out.println("Replication daemon cancelled.");
|
|
| 66 | 66 |
} |
| 67 | 67 |
|
| 68 | 68 |
public void doGet (HttpServletRequest request, HttpServletResponse response) |
| ... | ... | |
| 99 | 99 |
params.put(name, value); |
| 100 | 100 |
} |
| 101 | 101 |
|
| 102 |
String servletAction = ((String[])params.get("action"))[0];
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| 103 |
String server = ((String[])params.get("server"))[0];
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String action = ((String[])params.get("action"))[0];
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String server = null;
|
|
| 104 | 104 |
|
| 105 | 105 |
try {
|
| 106 | 106 |
// check if the server is included in the list of replicated servers |
| 107 |
if ( getServerCode(server) == 0 && |
|
| 108 |
!servletAction.equals("servercontrol") &&
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| 109 |
!servletAction.equals("stop") &&
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| 110 |
!servletAction.equals("start") &&
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!servletAction.equals("getall") ) {
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System.out.println("action rejected for server: " + server);
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return; |
|
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if ( !action.equals("servercontrol") &&
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!action.equals("stop") &&
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!action.equals("start") &&
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| 110 |
!action.equals("getall") ) {
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server = ((String[])params.get("server"))[0];
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if ( getServerCode(server) == 0 ) {
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System.out.println("Action \"" + action +
|
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"\" rejected for server: " + server); |
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return; |
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} else {
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System.out.println("Action \"" + action +
|
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"\" accepted for server: " + server); |
|
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} |
|
| 114 | 121 |
} |
| 115 |
System.out.println("action accepted for server: " + server);
|
|
| 116 | 122 |
} catch (Exception e) {
|
| 117 | 123 |
System.out.println("Error in MetacatReplication.handleGetOrPost: " +
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| 118 | 124 |
e.getMessage() ); |
| 119 | 125 |
return; |
| 120 | 126 |
} |
| 121 | 127 |
|
| 122 |
if ( servletAction.equals("stop") ) {
|
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| 128 |
if ( action.equals("stop") ) {
|
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| 123 | 129 |
//stop the replication server |
| 124 | 130 |
replicationDaemon.cancel(); |
| 125 | 131 |
replicationDaemon = new Timer(true); |
| 126 | 132 |
out.println("Replication Handler Stopped");
|
| 127 | 133 |
MetacatReplication.replLog("deltaT handler stopped");
|
| 128 | 134 |
|
| 129 |
} else if ( servletAction.equals("start") ) {
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| 135 |
} else if ( action.equals("start") ) {
|
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| 130 | 136 |
//start the replication server |
| 131 | 137 |
int rate; |
| 132 | 138 |
if ( params.containsKey("rate") ) {
|
| ... | ... | |
| 149 | 155 |
MetacatReplication.replLog("deltaT handler started with rate=" +
|
| 150 | 156 |
rate + " seconds"); |
| 151 | 157 |
|
| 152 |
} else if ( servletAction.equals("getall") ) {
|
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| 158 |
} else if ( action.equals("getall") ) {
|
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| 153 | 159 |
//updates this server exactly once |
| 154 | 160 |
replicationDaemon.schedule(new ReplicationHandler(out), 0); |
| 155 | 161 |
response.setContentType("text/html");
|
| 156 | 162 |
out.println("<html><body>\"Get All\" Done</body></html>");
|
| 157 | 163 |
|
| 158 |
} else if ( servletAction.equals("forcereplicate") ) {
|
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| 164 |
} else if ( action.equals("forcereplicate") ) {
|
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| 159 | 165 |
handleForceReplicateRequest(out, params, response); |
| 160 | 166 |
|
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} else if ( servletAction.equals("update") ) {
|
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} else if ( action.equals("update") ) {
|
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| 162 | 168 |
//request an update list from the server |
| 163 | 169 |
handleUpdateRequest(out, params, response); |
| 164 | 170 |
|
| 165 |
} else if ( servletAction.equals("read") ) {
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} else if ( action.equals("read") ) {
|
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| 166 | 172 |
//request a specific document from the server |
| 167 | 173 |
//note that this could be replaced by a call to metacatServlet |
| 168 | 174 |
//handleGetDocumentAction(). |
| 169 | 175 |
handleGetDocumentRequest(out, params, response); |
| 170 | 176 |
|
| 171 |
} else if ( servletAction.equals("getlock") ) {
|
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} else if ( action.equals("getlock") ) {
|
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| 172 | 178 |
handleGetLockRequest(out, params, response); |
| 173 | 179 |
|
| 174 |
} else if ( servletAction.equals("getdocumentinfo") ) {
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| 180 |
} else if ( action.equals("getdocumentinfo") ) {
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| 175 | 181 |
handleGetDocumentInfoRequest(out, params, response); |
| 176 | 182 |
|
| 177 |
} else if ( servletAction.equals("gettime") ) {
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| 183 |
} else if ( action.equals("gettime") ) {
|
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| 178 | 184 |
handleGetTimeRequest(out, params, response); |
| 179 | 185 |
|
| 180 |
} else if ( servletAction.equals("getcatalog") ) {
|
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| 186 |
} else if ( action.equals("getcatalog") ) {
|
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| 181 | 187 |
handleGetCatalogRequest(out, params, response, true); |
| 182 | 188 |
|
| 183 |
} else if ( servletAction.equals("servercontrol") ) {
|
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| 189 |
} else if ( action.equals("servercontrol") ) {
|
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| 184 | 190 |
handleServerControlRequest(out, params, response); |
| 185 | 191 |
} |
| 186 |
|
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| 192 |
|
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| 193 |
out.close(); |
|
| 187 | 194 |
} |
| 188 | 195 |
|
| 189 | 196 |
/** |
| ... | ... | |
| 233 | 240 |
tablehasrows = rs.next(); |
| 234 | 241 |
} |
| 235 | 242 |
out.println("</table></body></html>");
|
| 236 |
|
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| 243 |
|
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// download certificate with the public key on this server |
|
| 245 |
// and import it as a trusted certificate |
|
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String certURL = ((String[])params.get("certificate"))[0];
|
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downloadCertificate(certURL); |
|
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|
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| 237 | 249 |
// delete server from server list |
| 238 | 250 |
} else if ( subaction.equals("delete") ) {
|
| 239 | 251 |
String server = ((String[])params.get("server"))[0];
|
| ... | ... | |
| 289 | 301 |
} |
| 290 | 302 |
} |
| 291 | 303 |
|
| 304 |
// download certificate with the public key from certURL and |
|
| 305 |
// upload it onto this server; it then must be imported as a |
|
| 306 |
// trusted certificate |
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| 307 |
private void downloadCertificate (String certURL) |
|
| 308 |
throws FileNotFoundException, IOException, MalformedURLException |
|
| 309 |
{
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| 310 |
MetaCatUtil util = new MetaCatUtil(); |
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String certPath = util.getOption("certPath"); //the path to be uploaded to
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| 312 |
|
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| 313 |
// get filename from the URL of the certificate |
|
| 314 |
String filename = certURL; |
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int slash = Math.max(filename.lastIndexOf('/'), filename.lastIndexOf('\\'));
|
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| 316 |
if ( slash > -1 ) {
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| 317 |
filename = filename.substring(slash + 1); |
|
| 318 |
} |
|
| 319 |
|
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| 320 |
// open file output strem to write the input into it |
|
| 321 |
File f = new File(certPath, filename); |
|
| 322 |
synchronized (f) {
|
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| 323 |
try {
|
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| 324 |
if ( f.exists() ) {
|
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| 325 |
throw new IOException("File already exist: " + f.getCanonicalFile());
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| 326 |
//if ( f.exists() && !f.canWrite() ) {
|
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| 327 |
// throw new IOException("Not writable: " + f.getCanonicalFile());
|
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| 328 |
} |
|
| 329 |
} catch (SecurityException se) {
|
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| 330 |
// if a security manager exists, |
|
| 331 |
// its checkRead method is called for f.exist() |
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| 332 |
// or checkWrite method is called for f.canWrite() |
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| 333 |
throw se; |
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| 334 |
} |
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| 335 |
|
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| 336 |
// create a buffered byte output stream |
|
| 337 |
// that uses a default-sized output buffer |
|
| 338 |
FileOutputStream fos = new FileOutputStream(f); |
|
| 339 |
BufferedOutputStream out = new BufferedOutputStream(fos); |
|
| 340 |
|
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| 341 |
// this should be http url |
|
| 342 |
URL url = new URL(certURL); |
|
| 343 |
BufferedInputStream bis = null; |
|
| 344 |
try {
|
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| 345 |
bis = new BufferedInputStream(url.openStream()); |
|
| 346 |
byte[] buf = new byte[4 * 1024]; // 4K buffer |
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| 347 |
int b = bis.read(buf); |
|
| 348 |
while (b != -1) {
|
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| 349 |
out.write(buf, 0, b); |
|
| 350 |
b = bis.read(buf); |
|
| 351 |
} |
|
| 352 |
} finally {
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| 353 |
if (bis != null) bis.close(); |
|
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} |
|
| 355 |
// the input and the output streams must be closed |
|
| 356 |
bis.close(); |
|
| 357 |
out.flush(); |
|
| 358 |
out.close(); |
|
| 359 |
fos.close(); |
|
| 360 |
} // end of synchronized(f) |
|
| 361 |
} |
|
| 362 |
|
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| 292 | 363 |
/** |
| 293 | 364 |
* when a forcereplication request comes in, this method sends a read request |
| 294 | 365 |
* to the requesting server for the specified docid. |
Also available in: Unified diff
for action=servercontrol&subaction=add
added function for downloading of the certificate file
from the specified URL of the source server
and uploading it onto this server