Revision 1292
Added by Jing Tao almost 22 years ago
| MetacatReplication.java | ||
|---|---|---|
| 88 | 88 |
Hashtable params = new Hashtable(); |
| 89 | 89 |
Enumeration paramlist = request.getParameterNames(); |
| 90 | 90 |
|
| 91 |
//First check if administrate conifgure the replcation feature on |
|
| 92 |
//This configuration is set in build.xml file |
|
| 93 |
//If it is not on, reject any request. |
|
| 94 |
if (!(util.getOption("replication")).equals("on"))
|
|
| 95 |
{
|
|
| 96 |
(response.getWriter()).println("MetaCat is not set to handle replication");
|
|
| 97 |
(response.getWriter()).close(); |
|
| 98 |
return; |
|
| 99 |
} |
|
| 91 |
|
|
| 100 | 92 |
|
| 101 | 93 |
// NOT NEEDED - doesn't provide enough security because of possible IP spoofing |
| 102 | 94 |
// REPLACED with running replication comminications over HTTPS |
| ... | ... | |
| 121 | 113 |
!action.equals("getall") ) {
|
| 122 | 114 |
|
| 123 | 115 |
server = ((String[])params.get("server"))[0];
|
| 124 |
if ( getServerCode(server) == 0 ) {
|
|
| 116 |
if ( getServerCodeForServerName(server) == 0 ) {
|
|
| 125 | 117 |
System.out.println("Action \"" + action +
|
| 126 | 118 |
"\" rejected for server: " + server); |
| 127 | 119 |
return; |
| ... | ... | |
| 144 | 136 |
} |
| 145 | 137 |
else if ( action.equals("forcereplicatedatafile") )
|
| 146 | 138 |
{
|
| 147 |
|
|
| 148 |
//OutputStream out=response.getOutputStream(); |
|
| 149 | 139 |
//read a specific docid from remote host, and store it into local host |
| 150 | 140 |
handleForceReplicateDataFileRequest(params); |
| 151 |
//out.close(); |
|
| 141 |
|
|
| 152 | 142 |
} |
| 153 | 143 |
else |
| 154 | 144 |
{
|
| ... | ... | |
| 244 | 234 |
DBConnection dbConn = null; |
| 245 | 235 |
int serialNumber = -1; |
| 246 | 236 |
PreparedStatement pstmt = null; |
| 247 |
|
|
| 237 |
String replicate =null; |
|
| 238 |
String server = null; |
|
| 239 |
String dataReplicate = null; |
|
| 240 |
String hub = null; |
|
| 248 | 241 |
try {
|
| 249 | 242 |
//conn = util.openDBConnection(); |
| 250 | 243 |
dbConn=DBConnectionPool. |
| ... | ... | |
| 253 | 246 |
|
| 254 | 247 |
// add server to server list |
| 255 | 248 |
if ( subaction.equals("add") ) {
|
| 256 |
String replicate = ((String[])params.get("replicate"))[0];
|
|
| 257 |
String server = ((String[])params.get("server"))[0];
|
|
| 249 |
replicate = ((String[])params.get("replicate"))[0];
|
|
| 250 |
server = ((String[])params.get("server"))[0];
|
|
| 251 |
//Get data replication value |
|
| 252 |
dataReplicate = ((String[])params.get("datareplicate"))[0];
|
|
| 253 |
//Get hub value |
|
| 254 |
hub = ((String[])params.get("hub"))[0];
|
|
| 255 |
|
|
| 258 | 256 |
pstmt = dbConn.prepareStatement("INSERT INTO xml_replication " +
|
| 259 |
"(server, last_checked, replicate) " +
|
|
| 257 |
"(server, last_checked, replicate, datareplicate, hub) " +
|
|
| 260 | 258 |
"VALUES ('" + server + "', to_date(" +
|
| 261 | 259 |
"'01/01/00', 'MM/DD/YY'), '" + |
| 262 |
replicate + "')"); |
|
| 260 |
replicate +"', '" +dataReplicate+"', '" |
|
| 261 |
+ hub +"')"); |
|
| 263 | 262 |
pstmt.execute(); |
| 264 | 263 |
pstmt.close(); |
| 265 | 264 |
dbConn.commit(); |
| ... | ... | |
| 267 | 266 |
response.setContentType("text/html");
|
| 268 | 267 |
out.println("<html><body><table border=\"1\">");
|
| 269 | 268 |
out.println("<tr><td><b>server</b></td><td><b>last_checked</b></td><td>");
|
| 270 |
out.println("<b>replicate</b></td></tr>");
|
|
| 269 |
out.println("<b>replicate</b></td>");
|
|
| 270 |
out.println("<td><b>datareplicate</b></td>");
|
|
| 271 |
out.println("<td><b>hub</b></td></tr>");
|
|
| 271 | 272 |
pstmt = dbConn.prepareStatement("SELECT * FROM xml_replication");
|
| 272 | 273 |
//increase dbconnection usage |
| 273 | 274 |
dbConn.increaseUsageCount(1); |
| ... | ... | |
| 278 | 279 |
while(tablehasrows) {
|
| 279 | 280 |
out.println("<tr><td>" + rs.getString(2) + "</td><td>");
|
| 280 | 281 |
out.println(rs.getString(3) + "</td><td>"); |
| 281 |
out.println(rs.getString(4) + "</td></tr>"); |
|
| 282 |
out.println(rs.getString(4) + "</td><td>"); |
|
| 283 |
out.println(rs.getString(5) + "</td><td>"); |
|
| 284 |
out.println(rs.getString(6) + "</td></tr>"); |
|
| 285 |
|
|
| 282 | 286 |
tablehasrows = rs.next(); |
| 283 | 287 |
} |
| 284 | 288 |
out.println("</table></body></html>");
|
| ... | ... | |
| 290 | 294 |
|
| 291 | 295 |
// delete server from server list |
| 292 | 296 |
} else if ( subaction.equals("delete") ) {
|
| 293 |
String server = ((String[])params.get("server"))[0];
|
|
| 297 |
server = ((String[])params.get("server"))[0];
|
|
| 294 | 298 |
pstmt = dbConn.prepareStatement("DELETE FROM xml_replication " +
|
| 295 | 299 |
"WHERE server LIKE '" + server + "'"); |
| 296 | 300 |
pstmt.execute(); |
| ... | ... | |
| 300 | 304 |
response.setContentType("text/html");
|
| 301 | 305 |
out.println("<html><body><table border=\"1\">");
|
| 302 | 306 |
out.println("<tr><td><b>server</b></td><td><b>last_checked</b></td><td>");
|
| 303 |
out.println("<b>replicate</b></td></tr>");
|
|
| 307 |
out.println("<b>replicate</b></td>");
|
|
| 308 |
out.println("<td><b>datareplicate</b></td>");
|
|
| 309 |
out.println("<td><b>hub</b></td></tr>");
|
|
| 310 |
|
|
| 304 | 311 |
pstmt = dbConn.prepareStatement("SELECT * FROM xml_replication");
|
| 305 | 312 |
//increase dbconnection usage |
| 306 | 313 |
dbConn.increaseUsageCount(1); |
| ... | ... | |
| 311 | 318 |
{
|
| 312 | 319 |
out.println("<tr><td>" + rs.getString(2) + "</td><td>");
|
| 313 | 320 |
out.println(rs.getString(3) + "</td><td>"); |
| 314 |
out.println(rs.getString(4) + "</td></tr>"); |
|
| 321 |
out.println(rs.getString(4) + "</td><td>"); |
|
| 322 |
out.println(rs.getString(5) + "</td><td>"); |
|
| 323 |
out.println(rs.getString(6) + "</td></tr>"); |
|
| 315 | 324 |
tablehasrows = rs.next(); |
| 316 | 325 |
} |
| 317 | 326 |
out.println("</table></body></html>");
|
| ... | ... | |
| 321 | 330 |
response.setContentType("text/html");
|
| 322 | 331 |
out.println("<html><body><table border=\"1\">");
|
| 323 | 332 |
out.println("<tr><td><b>server</b></td><td><b>last_checked</b></td><td>");
|
| 324 |
out.println("<b>replicate</b></td></tr>");
|
|
| 333 |
out.println("<b>replicate</b></td>");
|
|
| 334 |
out.println("<td><b>datareplicate</b></td>");
|
|
| 335 |
out.println("<td><b>hub</b></td></tr>");
|
|
| 325 | 336 |
pstmt = dbConn.prepareStatement("SELECT * FROM xml_replication");
|
| 326 | 337 |
pstmt.execute(); |
| 327 | 338 |
ResultSet rs = pstmt.getResultSet(); |
| ... | ... | |
| 329 | 340 |
while(tablehasrows) {
|
| 330 | 341 |
out.println("<tr><td>" + rs.getString(2) + "</td><td>");
|
| 331 | 342 |
out.println(rs.getString(3) + "</td><td>"); |
| 332 |
out.println(rs.getString(4) + "</td></tr>"); |
|
| 343 |
out.println(rs.getString(4) + "</td><td>"); |
|
| 344 |
out.println(rs.getString(5) + "</td><td>"); |
|
| 345 |
out.println(rs.getString(6) + "</td></tr>"); |
|
| 333 | 346 |
tablehasrows = rs.next(); |
| 334 | 347 |
} |
| 335 | 348 |
out.println("</table></body></html>");
|
| 349 |
} |
|
| 350 |
else |
|
| 351 |
{
|
|
| 352 |
|
|
| 353 |
out.println("<error>Unkonwn subaction</error>");
|
|
| 354 |
|
|
| 336 | 355 |
} |
| 337 | 356 |
pstmt.close(); |
| 338 | 357 |
//conn.close(); |
| ... | ... | |
| 445 | 464 |
//serverCode = MetacatReplication.getServerCode(server); |
| 446 | 465 |
//override = true; //we are now overriding the default action |
| 447 | 466 |
} |
| 448 |
MetacatReplication.replLog("force replication request from " + server);
|
|
| 449 |
util.debugMessage("Force replication docid: "+docid, 20);
|
|
| 450 |
util.debugMessage("Force replication action: "+dbaction, 20);
|
|
| 451 |
// sending back read request to server
|
|
| 452 |
|
|
| 467 |
MetacatReplication.replLog("force replication request from " + server);
|
|
| 468 |
MetaCatUtil.debugMessage("Force replication request from: "+ server, 34);
|
|
| 469 |
MetaCatUtil.debugMessage("Force replication docid: "+docid, 34);
|
|
| 470 |
MetaCatUtil.debugMessage("Force replication action: "+dbaction, 34);
|
|
| 471 |
// sending back read request to remote server |
|
| 453 | 472 |
URL u = new URL("https://" + server + "?server="
|
| 454 | 473 |
+util.getLocalReplicationServerName() |
| 455 | 474 |
+"&action=read&docid=" + docid); |
| ... | ... | |
| 467 | 486 |
XMLReader docinfoParser = ReplicationHandler.initParser(dih); |
| 468 | 487 |
docinfoParser.parse(new InputSource(new StringReader(docInfoStr))); |
| 469 | 488 |
Hashtable docinfoHash = dih.getDocInfo(); |
| 489 |
|
|
| 490 |
// Get user owner of this docid |
|
| 470 | 491 |
String user = (String)docinfoHash.get("user_owner");
|
| 471 |
|
|
| 492 |
// Get home server of this docid |
|
| 472 | 493 |
String homeServer=(String)docinfoHash.get("home_server");
|
| 473 |
util.debugMessage("homeServer: "+homeServer,20);
|
|
| 474 |
// write the document here |
|
| 475 |
//Connection conn = util.openDBConnection();
|
|
| 494 |
MetaCatUtil.debugMessage("homeServer: "+homeServer, 34);
|
|
| 495 |
|
|
| 496 |
// Get DBConnection from pool
|
|
| 476 | 497 |
dbConn=DBConnectionPool. |
| 477 | 498 |
getDBConnection("MetacatReplication.handleForceReplicateRequest");
|
| 478 | 499 |
serialNumber=dbConn.getCheckOutSerialNumber(); |
| 500 |
// write the document to local database |
|
| 479 | 501 |
DocumentImpl.writeReplication(dbConn, |
| 480 | 502 |
new StringReader(xmldoc), null, null, dbaction, docid, user, |
| 481 |
null, homeServer, false); |
|
| 503 |
null, homeServer, false, server);
|
|
| 482 | 504 |
|
| 483 |
|
|
| 484 |
//conn.close(); |
|
| 485 |
|
|
| 486 | 505 |
MetacatReplication.replLog("document " + docid + " added to DB with " +
|
| 487 | 506 |
"action " + dbaction); |
| 488 |
} catch(Exception e) {
|
|
| 507 |
}//try |
|
| 508 |
catch(Exception e) |
|
| 509 |
{
|
|
| 489 | 510 |
|
| 490 | 511 |
System.out.println("ERROR in MetacatReplication.handleForceReplicate" +
|
| 491 | 512 |
"Request(): " + e.getMessage()); |
| 492 | 513 |
e.printStackTrace(); |
| 493 |
} |
|
| 514 |
}//catch
|
|
| 494 | 515 |
finally |
| 495 | 516 |
{
|
| 517 |
// Return the checked out DBConnection |
|
| 496 | 518 |
DBConnectionPool.returnDBConnection(dbConn, serialNumber); |
| 497 | 519 |
}//finally |
| 498 | 520 |
} |
| ... | ... | |
| 504 | 526 |
*/ |
| 505 | 527 |
private void handleForceReplicateDataFileRequest(Hashtable params) |
| 506 | 528 |
{
|
| 507 |
//check if the metacat was configured to handle replication |
|
| 508 |
if (!(util.getOption("replicationacceptdata")).equals("on"))
|
|
| 509 |
{
|
|
| 510 |
return; |
|
| 511 |
} |
|
| 529 |
|
|
| 512 | 530 |
//make sure there is some parameters |
| 513 | 531 |
if(params.isEmpty()) |
| 514 | 532 |
{
|
| 515 | 533 |
return; |
| 516 | 534 |
} |
| 517 |
String server = ((String[])params.get("server"))[0]; // the server that
|
|
| 518 |
//docid should include rev number |
|
| 519 |
String docid = ((String[])params.get("docid"))[0]; // sent the document
|
|
| 520 |
if (docid==null) |
|
| 535 |
// Get remote server |
|
| 536 |
String server = ((String[])params.get("server"))[0];
|
|
| 537 |
// the docid should include rev number |
|
| 538 |
String docid = ((String[])params.get("docid"))[0];
|
|
| 539 |
// Make sure there is a docid and server |
|
| 540 |
if (docid==null || server==null || server.equals(""))
|
|
| 521 | 541 |
{
|
| 522 |
util.debugMessage("Didn't specify docid for replication", 20);
|
|
| 542 |
MetaCatUtil.debugMessage("Didn't specify docid or server for replication"
|
|
| 543 |
, 20); |
|
| 523 | 544 |
return; |
| 524 | 545 |
} |
| 525 |
//docid was switch to two parts |
|
| 546 |
|
|
| 547 |
// Overide or not |
|
| 526 | 548 |
boolean override = false; |
| 527 |
int serverCode = 1;
|
|
| 549 |
// dbaction - update or insert
|
|
| 528 | 550 |
String dbaction=null; |
| 529 |
//Connection conn=null; |
|
| 530 |
|
|
| 551 |
|
|
| 531 | 552 |
try |
| 532 | 553 |
{
|
| 533 |
//docid was switch to two parts |
|
| 554 |
//docid was switch to two parts uinque code and rev
|
|
| 534 | 555 |
String uniqueCode=MetaCatUtil.getDocIdFromString(docid); |
| 535 | 556 |
int rev=MetaCatUtil.getVersionFromString(docid); |
| 536 | 557 |
if(params.containsKey("dbaction"))
|
| ... | ... | |
| 541 | 562 |
{
|
| 542 | 563 |
dbaction = "update"; |
| 543 | 564 |
} |
| 544 |
//serverCode = MetacatReplication.getServerCode(server); |
|
| 565 |
|
|
| 545 | 566 |
MetacatReplication.replLog("force replication request from " + server);
|
| 546 |
|
|
| 567 |
MetaCatUtil.debugMessage("Force replication request from: "+ server, 34);
|
|
| 568 |
MetaCatUtil.debugMessage("Force replication docid: "+docid, 34);
|
|
| 569 |
MetaCatUtil.debugMessage("Force replication action: "+dbaction, 34);
|
|
| 547 | 570 |
// get the document info from server |
| 548 | 571 |
URL docinfourl = new URL("https://" + server +
|
| 549 | 572 |
"?server="+util.getLocalReplicationServerName() |
| ... | ... | |
| 563 | 586 |
String docType = (String)docinfoHash.get("doctype");
|
| 564 | 587 |
|
| 565 | 588 |
String docHomeServer= (String)docinfoHash.get("home_server");
|
| 566 |
MetaCatUtil.debugMessage("docHomeServer of data file: "+docHomeServer);
|
|
| 589 |
MetaCatUtil.debugMessage("docHomeServer of datafile: "+docHomeServer, 34);
|
|
| 567 | 590 |
|
| 568 | 591 |
|
| 569 | 592 |
|
| ... | ... | |
| 586 | 609 |
String datafilePath = util.getOption("datafilepath");
|
| 587 | 610 |
//register data file into xml_documents table and wite data file |
| 588 | 611 |
//into file system |
| 589 |
DocumentImpl.writeDataFile(url.openStream(), datafilePath, docName,
|
|
| 590 |
docType, docid, user,docHomeServer);
|
|
| 612 |
DocumentImpl.writeDataFileInReplication(url.openStream(), datafilePath,
|
|
| 613 |
docName, docType, docid, user,docHomeServer,server);
|
|
| 591 | 614 |
} |
| 592 | 615 |
|
| 593 | 616 |
|
| ... | ... | |
| 598 | 621 |
{
|
| 599 | 622 |
|
| 600 | 623 |
//util.returnConnection(conn); |
| 601 |
util.debugMessage("ERROR in MetacatReplication.handleForceReplicate" +
|
|
| 624 |
util.debugMessage |
|
| 625 |
("ERROR in MetacatReplication.handleForceDataFileReplicate" +
|
|
| 602 | 626 |
"Request(): " + e.getMessage(), 30); |
| 603 | 627 |
} |
| 604 | 628 |
} |
| ... | ... | |
| 612 | 636 |
private void handleGetLockRequest(PrintWriter out, Hashtable params, |
| 613 | 637 |
HttpServletResponse response) |
| 614 | 638 |
{
|
| 615 |
//Connection conn = null; |
|
| 639 |
|
|
| 616 | 640 |
try |
| 617 | 641 |
{
|
| 618 |
/*conn = MetacatReplication.getDBConnection("MetacatReplication." +
|
|
| 619 |
"handleGetLockRequest");*/ |
|
| 642 |
|
|
| 620 | 643 |
String docid = ((String[])params.get("docid"))[0];
|
| 621 | 644 |
String remoteRev = ((String[])params.get("updaterev"))[0];
|
| 622 | 645 |
DocumentImpl requestDoc = new DocumentImpl(docid); |
| ... | ... | |
| 671 | 694 |
{
|
| 672 | 695 |
String docid = ((String[])(params.get("docid")))[0];
|
| 673 | 696 |
StringBuffer sb = new StringBuffer(); |
| 674 |
//Connection conn = null; |
|
| 697 |
|
|
| 675 | 698 |
try |
| 676 | 699 |
{
|
| 677 |
/*conn = MetacatReplication.getDBConnection("MetacatReplication." +
|
|
| 678 |
"handleGetDocumentInfoRequest");*/ |
|
| 700 |
|
|
| 679 | 701 |
DocumentImpl doc = new DocumentImpl(docid); |
| 680 | 702 |
sb.append("<documentinfo><docid>").append(docid);
|
| 681 | 703 |
sb.append("</docid><docname>").append(doc.getDocname());
|
| ... | ... | |
| 692 | 714 |
sb.append("</rev></documentinfo>");
|
| 693 | 715 |
response.setContentType("text/xml");
|
| 694 | 716 |
out.println(sb.toString()); |
| 695 |
//conn.close(); |
|
| 717 |
|
|
| 696 | 718 |
} |
| 697 | 719 |
catch (Exception e) |
| 698 | 720 |
{
|
| ... | ... | |
| 710 | 732 |
Hashtable params, HttpServletResponse response) |
| 711 | 733 |
|
| 712 | 734 |
{
|
| 713 |
//check the metacat was configured to handle data replication |
|
| 714 |
if (!(util.getOption("replicationsenddata")).equals("on"))
|
|
| 715 |
{
|
|
| 716 |
return; |
|
| 717 |
} |
|
| 718 |
|
|
| 735 |
// File path for data file |
|
| 719 | 736 |
String filepath = util.getOption("datafilepath");
|
| 737 |
// Request docid |
|
| 720 | 738 |
String docId = ((String[])(params.get("docid")))[0];
|
| 721 | 739 |
//check if the doicd is null |
| 722 | 740 |
if (docId==null) |
| ... | ... | |
| 752 | 770 |
{
|
| 753 | 771 |
filepath += "/"; |
| 754 | 772 |
} |
| 755 |
String filename = filepath + docId; //MIME type |
|
| 773 |
// Get file aboslute file name |
|
| 774 |
String filename = filepath + docId; |
|
| 756 | 775 |
|
| 757 |
String contentType = null;//getServletContext().getMimeType(filename); |
|
| 776 |
//MIME type |
|
| 777 |
String contentType = null; |
|
| 778 |
if (filename.endsWith(".xml"))
|
|
| 779 |
{
|
|
| 780 |
contentType="text/xml"; |
|
| 781 |
} |
|
| 782 |
else if (filename.endsWith(".css"))
|
|
| 783 |
{
|
|
| 784 |
contentType="text/css"; |
|
| 785 |
} |
|
| 786 |
else if (filename.endsWith(".dtd"))
|
|
| 787 |
{
|
|
| 788 |
contentType="text/plain"; |
|
| 789 |
} |
|
| 790 |
else if (filename.endsWith(".xsd"))
|
|
| 791 |
{
|
|
| 792 |
contentType="text/xml"; |
|
| 793 |
} |
|
| 794 |
else if (filename.endsWith("/"))
|
|
| 795 |
{
|
|
| 796 |
contentType="text/html"; |
|
| 797 |
} |
|
| 798 |
else |
|
| 799 |
{
|
|
| 800 |
File f = new File(filename); |
|
| 801 |
if ( f.isDirectory() ) |
|
| 802 |
{
|
|
| 803 |
contentType="text/html"; |
|
| 804 |
} |
|
| 805 |
else |
|
| 806 |
{
|
|
| 807 |
contentType="application/octet-stream"; |
|
| 808 |
} |
|
| 809 |
} |
|
| 758 | 810 |
|
| 759 |
if (contentType == null) |
|
| 760 |
{
|
|
| 761 |
if (filename.endsWith(".xml"))
|
|
| 762 |
{
|
|
| 763 |
contentType="text/xml"; |
|
| 764 |
} |
|
| 765 |
else if (filename.endsWith(".css"))
|
|
| 766 |
{
|
|
| 767 |
contentType="text/css"; |
|
| 768 |
} |
|
| 769 |
else if (filename.endsWith(".dtd"))
|
|
| 770 |
{
|
|
| 771 |
contentType="text/plain"; |
|
| 772 |
} |
|
| 773 |
else if (filename.endsWith(".xsd"))
|
|
| 774 |
{
|
|
| 775 |
contentType="text/xml"; |
|
| 776 |
} |
|
| 777 |
else if (filename.endsWith("/"))
|
|
| 778 |
{
|
|
| 779 |
contentType="text/html"; |
|
| 780 |
} |
|
| 781 |
else |
|
| 782 |
{
|
|
| 783 |
File f = new File(filename); |
|
| 784 |
if ( f.isDirectory() ) |
|
| 785 |
{
|
|
| 786 |
contentType="text/html"; |
|
| 787 |
} |
|
| 788 |
else |
|
| 789 |
{
|
|
| 790 |
contentType="application/octet-stream"; |
|
| 791 |
} |
|
| 792 |
} |
|
| 793 |
} |
|
| 794 |
|
|
| 811 |
// Set the mime type |
|
| 795 | 812 |
response.setContentType(contentType); |
| 796 |
// if we decide to use "application/octet-stream" for all data returns |
|
| 797 |
// response.setContentType("application/octet-stream");
|
|
| 813 |
|
|
| 814 |
// Get the content of the file
|
|
| 798 | 815 |
FileInputStream fin = null; |
| 799 | 816 |
try |
| 800 | 817 |
{
|
| 801 |
|
|
| 818 |
// FileInputStream to metacat |
|
| 802 | 819 |
fin = new FileInputStream(filename); |
| 803 |
|
|
| 804 |
byte[] buf = new byte[4 * 1024]; // 4K buffer |
|
| 820 |
// 4K buffer |
|
| 821 |
byte[] buf = new byte[4 * 1024]; |
|
| 822 |
// Read data from file input stream to byte array |
|
| 805 | 823 |
int b = fin.read(buf); |
| 824 |
// Write to outStream from byte array |
|
| 806 | 825 |
while (b != -1) |
| 807 | 826 |
{
|
| 808 |
|
|
| 809 | 827 |
outPut.write(buf, 0, b); |
| 810 | 828 |
b = fin.read(buf); |
| 811 | 829 |
} |
| 812 |
|
|
| 830 |
// close file input stream |
|
| 813 | 831 |
fin.close(); |
| 814 | 832 |
|
| 815 |
}
|
|
| 833 |
}//try
|
|
| 816 | 834 |
catch(Exception e) |
| 817 | 835 |
{
|
| 818 | 836 |
System.out.println("error getting data file from MetacatReplication." +
|
| 819 | 837 |
"handlGetDataFileRequest " + e.getMessage()); |
| 820 | 838 |
e.printStackTrace(System.out); |
| 821 |
} |
|
| 839 |
}//catch
|
|
| 822 | 840 |
|
| 823 | 841 |
} |
| 824 | 842 |
|
| ... | ... | |
| 829 | 847 |
private void handleGetDocumentRequest(PrintWriter out, Hashtable params, |
| 830 | 848 |
HttpServletResponse response) |
| 831 | 849 |
{
|
| 832 |
//Connection dbConn = null; |
|
| 850 |
|
|
| 833 | 851 |
try |
| 834 | 852 |
{
|
| 835 | 853 |
//try to open a https stream to test if the request server's public key |
| ... | ... | |
| 844 | 862 |
{
|
| 845 | 863 |
response.setContentType("text/xml");
|
| 846 | 864 |
out.println("<error>Couldn't pass the trust test</error>");
|
| 865 |
out.close(); |
|
| 847 | 866 |
return; |
| 848 | 867 |
} |
| 849 | 868 |
|
| 850 | 869 |
String docid = ((String[])(params.get("docid")))[0];
|
| 851 |
/*conn = MetacatReplication.getDBConnection("MetacatReplication." +
|
|
| 852 |
"handleGetDocumentRequest");*/ |
|
| 870 |
|
|
| 853 | 871 |
DocumentImpl di = new DocumentImpl(docid); |
| 854 | 872 |
response.setContentType("text/xml");
|
| 855 | 873 |
out.print(di.toString()); |
| 856 |
//conn.close(); |
|
| 874 |
|
|
| 857 | 875 |
MetacatReplication.replLog("document " + docid + " sent");
|
| 858 | 876 |
|
| 859 | 877 |
} |
| ... | ... | |
| 863 | 881 |
+"handlGetDocumentRequest " + e.getMessage(), 30); |
| 864 | 882 |
//e.printStackTrace(System.out); |
| 865 | 883 |
response.setContentType("text/xml");
|
| 866 |
out.println("<error>e.getMessage()</error>");
|
|
| 884 |
out.println("<error>"+e.getMessage()+"</error>");
|
|
| 867 | 885 |
} |
| 868 | 886 |
|
| 869 | 887 |
} |
| ... | ... | |
| 886 | 904 |
private void handleUpdateRequest(PrintWriter out, Hashtable params, |
| 887 | 905 |
HttpServletResponse response) |
| 888 | 906 |
{
|
| 907 |
// Checked out DBConnection |
|
| 889 | 908 |
DBConnection dbConn = null; |
| 909 |
// DBConenction serial number when checked it out |
|
| 890 | 910 |
int serialNumber = -1; |
| 891 | 911 |
PreparedStatement pstmt = null; |
| 912 |
// Server list to store server info of xml_replication table |
|
| 913 |
ReplicationServerList serverList = null; |
|
| 914 |
|
|
| 892 | 915 |
try |
| 893 | 916 |
{
|
| 917 |
// Check out a DBConnection from pool |
|
| 918 |
dbConn=DBConnectionPool. |
|
| 919 |
getDBConnection("MetacatReplication.handleUpdateRequest");
|
|
| 920 |
serialNumber=dbConn.getCheckOutSerialNumber(); |
|
| 921 |
// Create a server list from xml_replication table |
|
| 922 |
serverList = new ReplicationServerList(); |
|
| 923 |
|
|
| 924 |
// Get remote server name from param |
|
| 925 |
String server = ((String[])params.get("server"))[0];
|
|
| 926 |
// If no servr name in param, return a error |
|
| 927 |
if ( server == null || server.equals(""))
|
|
| 928 |
{
|
|
| 929 |
response.setContentType("text/xml");
|
|
| 930 |
out.println("<error>Request didn't specify server name</error>");
|
|
| 931 |
out.close(); |
|
| 932 |
return; |
|
| 933 |
}//if |
|
| 934 |
|
|
| 894 | 935 |
//try to open a https stream to test if the request server's public key |
| 895 | 936 |
//in the key store, this is security issue |
| 896 |
String server = ((String[])params.get("server"))[0];
|
|
| 897 | 937 |
URL u = new URL("https://" + server + "?server="
|
| 898 | 938 |
+util.getLocalReplicationServerName() |
| 899 | 939 |
+"&action=test"); |
| ... | ... | |
| 903 | 943 |
{
|
| 904 | 944 |
response.setContentType("text/xml");
|
| 905 | 945 |
out.println("<error>Couldn't pass the trust test</error>");
|
| 946 |
out.close(); |
|
| 906 | 947 |
return; |
| 907 | 948 |
} |
| 908 | 949 |
|
| 950 |
|
|
| 951 |
// Check if local host configure to replicate xml documents to remote |
|
| 952 |
// server. If not send back a error message |
|
| 953 |
if (!serverList.getReplicationValue(server)) |
|
| 954 |
{
|
|
| 955 |
response.setContentType("text/xml");
|
|
| 956 |
out.println |
|
| 957 |
("<error>Configuration not allow to replicate document to you</error>");
|
|
| 958 |
out.close(); |
|
| 959 |
return; |
|
| 960 |
}//if |
|
| 961 |
|
|
| 962 |
// Store the sql command |
|
| 909 | 963 |
StringBuffer docsql = new StringBuffer(); |
| 964 |
// Stroe the docid list |
|
| 910 | 965 |
StringBuffer doclist = new StringBuffer(); |
| 966 |
// Store the deleted docid list |
|
| 967 |
StringBuffer delsql = new StringBuffer(); |
|
| 968 |
// Store the data set file |
|
| 911 | 969 |
Vector packageFiles = new Vector(); |
| 912 | 970 |
|
| 913 |
//get all docs that reside on this server
|
|
| 971 |
// Append local server's name and replication servlet to doclist
|
|
| 914 | 972 |
doclist.append("<?xml version=\"1.0\"?><replication>");
|
| 915 | 973 |
doclist.append("<server>").append(util.getOption("server"));
|
| 916 | 974 |
doclist.append(util.getOption("replicationpath"));
|
| 917 | 975 |
doclist.append("</server><updates>");
|
| 918 | 976 |
|
| 977 |
// Get correct docid that reside on this server according the requesting |
|
| 978 |
// server's replicate and data replicate value in xml_replication table |
|
| 919 | 979 |
docsql.append("select docid, rev, doctype from xml_documents ");
|
| 920 |
if (!(util.getOption("hub")).equals("super"))
|
|
| 980 |
// If the localhost is not a hub to the remote server, only replicate |
|
| 981 |
// the docid' which home server is local host (server_location =1) |
|
| 982 |
if (!serverList.getHubValue(server)) |
|
| 921 | 983 |
{
|
| 922 | 984 |
docsql.append("where server_location = 1");
|
| 923 | 985 |
} |
| 986 |
MetaCatUtil.debugMessage("Doc sql: "+docsql.toString(), 30);
|
|
| 924 | 987 |
|
| 925 |
//get any deleted documents |
|
| 926 |
StringBuffer delsql = new StringBuffer(); |
|
| 988 |
// Get any deleted documents |
|
| 927 | 989 |
delsql.append("select distinct docid from ");
|
| 928 | 990 |
delsql.append("xml_revisions where docid not in (select docid from ");
|
| 929 | 991 |
delsql.append("xml_documents) ");
|
| 930 |
if (!(util.getOption("hub")).equals("super"))
|
|
| 992 |
// If the localhost is not a hub to the remote server, only replicate |
|
| 993 |
// the docid' which home server is local host (server_location =1) |
|
| 994 |
if (!serverList.getHubValue(server)) |
|
| 931 | 995 |
{
|
| 932 | 996 |
delsql.append("and server_location = 1");
|
| 933 | 997 |
} |
| 934 |
|
|
| 935 |
/*conn = MetacatReplication.getDBConnection("MetacatReplication." +
|
|
| 936 |
"handleUpdateRequest");*/ |
|
| 937 |
dbConn=DBConnectionPool. |
|
| 938 |
getDBConnection("MetacatReplication.handleUpdateRequest");
|
|
| 939 |
serialNumber=dbConn.getCheckOutSerialNumber(); |
|
| 998 |
MetaCatUtil.debugMessage("Deleted sql: "+delsql.toString(), 30);
|
|
| 999 |
|
|
| 1000 |
|
|
| 1001 |
|
|
| 1002 |
// Get docid list of local host |
|
| 940 | 1003 |
pstmt = dbConn.prepareStatement(docsql.toString()); |
| 941 | 1004 |
pstmt.execute(); |
| 942 | 1005 |
ResultSet rs = pstmt.getResultSet(); |
| 943 | 1006 |
boolean tablehasrows = rs.next(); |
| 944 | 1007 |
//If metacat configed to replicate data file |
| 945 |
if ((util.getOption("replicationsenddata")).equals("on"))
|
|
| 1008 |
//if ((util.getOption("replicationsenddata")).equals("on"))
|
|
| 1009 |
if (serverList.getDataReplicationValue(server)) |
|
| 946 | 1010 |
{
|
| 947 | 1011 |
while(tablehasrows) |
| 948 | 1012 |
{
|
| 949 | 1013 |
String recordDoctype = rs.getString(3); |
| 950 | 1014 |
Vector packagedoctypes = MetaCatUtil.getOptionList( |
| 951 | 1015 |
MetaCatUtil.getOption("packagedoctype"));
|
| 1016 |
//if this is a package file, put it at the end |
|
| 1017 |
//because if a package file is read before all of the files it |
|
| 1018 |
//refers to are loaded then there is an error |
|
| 952 | 1019 |
if(!packagedoctypes.contains(recordDoctype)) |
| 953 |
{ //if this is a package file, put it at the end
|
|
| 954 |
//because if a package file is read before all of the files it |
|
| 955 |
//refers to are loaded then there is an error |
|
| 1020 |
{
|
|
| 1021 |
//If this is not data file |
|
| 956 | 1022 |
if (!recordDoctype.equals("BIN"))
|
| 957 | 1023 |
{
|
| 958 | 1024 |
//for non-data file document |
| ... | ... | |
| 961 | 1027 |
doclist.append("</docid><rev>").append(rs.getInt(2));
|
| 962 | 1028 |
doclist.append("</rev>");
|
| 963 | 1029 |
doclist.append("</updatedDocument>");
|
| 964 |
} |
|
| 1030 |
}//if
|
|
| 965 | 1031 |
else |
| 966 | 1032 |
{
|
| 967 | 1033 |
//for data file document, in datafile attributes |
| ... | ... | |
| 974 | 1040 |
doclist.append(MetaCatUtil.getOption("datafileflag"));
|
| 975 | 1041 |
doclist.append("</datafile>");
|
| 976 | 1042 |
doclist.append("</updatedDocument>");
|
| 977 |
} |
|
| 978 |
} |
|
| 1043 |
}//else
|
|
| 1044 |
}//if packagedoctpes
|
|
| 979 | 1045 |
else |
| 980 | 1046 |
{ //the package files are saved to be put into the xml later.
|
| 981 | 1047 |
Vector v = new Vector(); |
| 982 | 1048 |
v.add(new String(rs.getString(1))); |
| 983 | 1049 |
v.add(new Integer(rs.getInt(2))); |
| 984 | 1050 |
packageFiles.add(new Vector(v)); |
| 985 |
} |
|
| 1051 |
}//esle
|
|
| 986 | 1052 |
tablehasrows = rs.next(); |
| 987 | 1053 |
}//while |
| 988 | 1054 |
}//if |
| ... | ... | |
| 1058 | 1124 |
"handleupdaterequest: " + e.getMessage(), 30); |
| 1059 | 1125 |
//e.printStackTrace(System.out); |
| 1060 | 1126 |
response.setContentType("text/xml");
|
| 1061 |
out.println("<error>e.getMessage()</error>");
|
|
| 1127 |
out.println("<error>"+e.getMessage()+"</error>");
|
|
| 1062 | 1128 |
} |
| 1063 | 1129 |
finally |
| 1064 | 1130 |
{
|
| ... | ... | |
| 1076 | 1142 |
DBConnectionPool.returnDBConnection(dbConn, serialNumber); |
| 1077 | 1143 |
}//finally |
| 1078 | 1144 |
}//finally |
| 1079 |
|
|
| 1080 |
|
|
| 1081 |
|
|
| 1082 |
|
|
| 1083 |
} |
|
| 1145 |
|
|
| 1146 |
}//handlUpdateRequest |
|
| 1084 | 1147 |
|
| 1085 | 1148 |
/** |
| 1086 | 1149 |
* Returns the xml_catalog table encoded in xml |
| ... | ... | |
| 1150 | 1213 |
System.out.println("error in MetacatReplication.handleGetCatalogRequest:"+
|
| 1151 | 1214 |
e.getMessage()); |
| 1152 | 1215 |
e.printStackTrace(System.out); |
| 1216 |
if(printFlag) |
|
| 1217 |
{
|
|
| 1218 |
out.println("<error>"+e.getMessage()+"</error>");
|
|
| 1219 |
} |
|
| 1153 | 1220 |
} |
| 1154 | 1221 |
finally |
| 1155 | 1222 |
{
|
| ... | ... | |
| 1222 | 1289 |
* @return the servername or null if the specified serverCode does not |
| 1223 | 1290 |
* exist. |
| 1224 | 1291 |
*/ |
| 1225 |
public static String getServer(int serverCode) |
|
| 1292 |
public static String getServerNameForServerCode(int serverCode)
|
|
| 1226 | 1293 |
{
|
| 1227 | 1294 |
//System.out.println("serverid: " + serverCode);
|
| 1228 | 1295 |
DBConnection dbConn = null; |
| ... | ... | |
| 1283 | 1350 |
* @return integer > 0 representing the code of the server, 0 if the server |
| 1284 | 1351 |
* does not exist. |
| 1285 | 1352 |
*/ |
| 1286 |
public static int getServerCode(String server) throws Exception |
|
| 1353 |
public static int getServerCodeForServerName(String server) throws Exception
|
|
| 1287 | 1354 |
{
|
| 1288 | 1355 |
DBConnection dbConn = null; |
| 1289 | 1356 |
int serialNumber = -1; |
| ... | ... | |
| 1333 | 1400 |
} |
| 1334 | 1401 |
|
| 1335 | 1402 |
/** |
| 1403 |
* Method to get a host server information for given docid |
|
| 1404 |
* @param conn a connection to the database |
|
| 1405 |
*/ |
|
| 1406 |
public static Hashtable getHomeServerInfoForDocId(String docId) |
|
| 1407 |
{
|
|
| 1408 |
Hashtable sl = new Hashtable(); |
|
| 1409 |
DBConnection dbConn = null; |
|
| 1410 |
int serialNumber = -1; |
|
| 1411 |
//MetaCatUtil ut=new MetaCatUtil(); |
|
| 1412 |
docId=MetaCatUtil.getDocIdFromString(docId); |
|
| 1413 |
PreparedStatement pstmt=null; |
|
| 1414 |
int serverLocation; |
|
| 1415 |
try |
|
| 1416 |
{
|
|
| 1417 |
//get conection |
|
| 1418 |
dbConn=DBConnectionPool. |
|
| 1419 |
getDBConnection("ReplicationHandler.getHomeServer");
|
|
| 1420 |
serialNumber=dbConn.getCheckOutSerialNumber(); |
|
| 1421 |
//get a server location from xml_document table |
|
| 1422 |
pstmt=dbConn.prepareStatement("select server_location from xml_documents "
|
|
| 1423 |
+"where docid = ?"); |
|
| 1424 |
pstmt.setString(1, docId); |
|
| 1425 |
pstmt.execute(); |
|
| 1426 |
ResultSet serverName = pstmt.getResultSet(); |
|
| 1427 |
//get a server location |
|
| 1428 |
if(serverName.next()) |
|
| 1429 |
{
|
|
| 1430 |
serverLocation=serverName.getInt(1); |
|
| 1431 |
pstmt.close(); |
|
| 1432 |
} |
|
| 1433 |
else |
|
| 1434 |
{
|
|
| 1435 |
pstmt.close(); |
|
| 1436 |
//ut.returnConnection(conn); |
|
| 1437 |
return null; |
|
| 1438 |
} |
|
| 1439 |
pstmt=dbConn.prepareStatement("select server, last_checked, replicate " +
|
|
| 1440 |
"from xml_replication where serverid = ?"); |
|
| 1441 |
//increase usage count |
|
| 1442 |
dbConn.increaseUsageCount(1); |
|
| 1443 |
pstmt.setInt(1, serverLocation); |
|
| 1444 |
pstmt.execute(); |
|
| 1445 |
ResultSet rs = pstmt.getResultSet(); |
|
| 1446 |
boolean tableHasRows = rs.next(); |
|
| 1447 |
if (tableHasRows) |
|
| 1448 |
{
|
|
| 1449 |
|
|
| 1450 |
String server = rs.getString(1); |
|
| 1451 |
String last_checked = rs.getString(2); |
|
| 1452 |
if(!server.equals("localhost"))
|
|
| 1453 |
{
|
|
| 1454 |
sl.put(server, last_checked); |
|
| 1455 |
} |
|
| 1456 |
|
|
| 1457 |
} |
|
| 1458 |
else |
|
| 1459 |
{
|
|
| 1460 |
pstmt.close(); |
|
| 1461 |
//ut.returnConnection(conn); |
|
| 1462 |
return null; |
|
| 1463 |
} |
|
| 1464 |
pstmt.close(); |
|
| 1465 |
} |
|
| 1466 |
catch(Exception e) |
|
| 1467 |
{
|
|
| 1468 |
System.out.println("error in replicationHandler.getHomeServer(): " +
|
|
| 1469 |
e.getMessage()); |
|
| 1470 |
} |
|
| 1471 |
finally |
|
| 1472 |
{
|
|
| 1473 |
try |
|
| 1474 |
{
|
|
| 1475 |
pstmt.close(); |
|
| 1476 |
//ut.returnConnection(conn); |
|
| 1477 |
} |
|
| 1478 |
catch (Exception ee) |
|
| 1479 |
{
|
|
| 1480 |
MetaCatUtil.debugMessage("Eror irn rplicationHandler.getHomeServer() "+
|
|
| 1481 |
"to close pstmt: "+ee.getMessage(), 30); |
|
| 1482 |
} |
|
| 1483 |
finally |
|
| 1484 |
{
|
|
| 1485 |
DBConnectionPool.returnDBConnection(dbConn, serialNumber); |
|
| 1486 |
} |
|
| 1487 |
|
|
| 1488 |
}//finally |
|
| 1489 |
return sl; |
|
| 1490 |
} |
|
| 1491 |
|
|
| 1492 |
/** |
|
| 1493 |
* Returns a home server location given a accnum |
|
| 1494 |
* @param accNum , given accNum for a document |
|
| 1495 |
* |
|
| 1496 |
*/ |
|
| 1497 |
public static int getHomeServerCodeForDocId(String accNum) throws Exception |
|
| 1498 |
{
|
|
| 1499 |
DBConnection dbConn = null; |
|
| 1500 |
int serialNumber = -1; |
|
| 1501 |
PreparedStatement pstmt = null; |
|
| 1502 |
int serverCode = 1; |
|
| 1503 |
//MetaCatUtil ut = new MetaCatUtil(); |
|
| 1504 |
String docId=MetaCatUtil.getDocIdFromString(accNum); |
|
| 1505 |
|
|
| 1506 |
try |
|
| 1507 |
{
|
|
| 1508 |
|
|
| 1509 |
// Get DBConnection |
|
| 1510 |
dbConn=DBConnectionPool. |
|
| 1511 |
getDBConnection("ReplicationHandler.getServerLocation");
|
|
| 1512 |
serialNumber=dbConn.getCheckOutSerialNumber(); |
|
| 1513 |
pstmt=dbConn.prepareStatement("SELECT server_location FROM xml_documents "
|
|
| 1514 |
+ "WHERE docid LIKE '" + docId + "'"); |
|
| 1515 |
pstmt.execute(); |
|
| 1516 |
ResultSet rs = pstmt.getResultSet(); |
|
| 1517 |
boolean tablehasrows = rs.next(); |
|
| 1518 |
//If a document is find, return the server location for it |
|
| 1519 |
if ( tablehasrows ) |
|
| 1520 |
{
|
|
| 1521 |
serverCode = rs.getInt(1); |
|
| 1522 |
pstmt.close(); |
|
| 1523 |
//conn.close(); |
|
| 1524 |
return serverCode; |
|
| 1525 |
} |
|
| 1526 |
//if couldn't find in xml_documents table, we think server code is 1 |
|
| 1527 |
//(this is new document) |
|
| 1528 |
else |
|
| 1529 |
{
|
|
| 1530 |
pstmt.close(); |
|
| 1531 |
//conn.close(); |
|
| 1532 |
return serverCode; |
|
| 1533 |
} |
|
| 1534 |
|
|
| 1535 |
} |
|
| 1536 |
catch(Exception e) |
|
| 1537 |
{
|
|
| 1538 |
|
|
| 1539 |
throw e; |
|
| 1540 |
|
|
| 1541 |
} |
|
| 1542 |
finally |
|
| 1543 |
{
|
|
| 1544 |
try |
|
| 1545 |
{
|
|
| 1546 |
pstmt.close(); |
|
| 1547 |
//conn.close(); |
|
| 1548 |
|
|
| 1549 |
} |
|
| 1550 |
catch(Exception ee) |
|
| 1551 |
{
|
|
| 1552 |
MetaCatUtil.debugMessage("Erorr in Replication.getServerLocation "+
|
|
| 1553 |
"to close pstmt"+ee.getMessage(), 30); |
|
| 1554 |
} |
|
| 1555 |
finally |
|
| 1556 |
{
|
|
| 1557 |
DBConnectionPool.returnDBConnection(dbConn, serialNumber); |
|
| 1558 |
}//finally |
|
| 1559 |
}//finally |
|
| 1560 |
//return serverCode; |
|
| 1561 |
} |
|
| 1562 |
|
|
| 1563 |
|
|
| 1564 |
|
|
| 1565 |
/** |
|
| 1336 | 1566 |
* This method returns the content of a url |
| 1337 | 1567 |
* @param u the url to return the content from |
| 1338 | 1568 |
* @return a string representing the content of the url |
Also available in: Unified diff
Merge cvs branch replication to cvs head.