Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | More improvements to network sync. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 4ee118a6b4a48494736426fbb4b693de |
| User & Date: | drh 2007-07-23 20:40:16 |
Context
|
2007-07-23
| ||
| 20:42 | Always do another sync round if any file is received. check-in: 0feed850 user: drh tags: trunk | |
| 20:40 | More improvements to network sync. check-in: 4ee118a6 user: drh tags: trunk | |
| 20:33 | Work on network synchronization check-in: 75c476cc user: drh tags: trunk | |
Changes
Changes to src/xfer.c.
481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 ... 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 ... 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 ... 598 599 600 601 602 603 604 605 606 607 608 609 610 611 ... 630 631 632 633 634 635 636 637 638 639 640 641 642 643 ... 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 |
** true.
*/
void client_sync(int pushFlag, int pullFlag, int cloneFlag){
int go = 1; /* Loop until zero */
int nToken;
const char *zSCode = db_get("server-code", "x");
const char *zPCode = db_get("project-code", 0);
int nSent = 0;
int nRcvd = 0;
int nCycle = 0;
Blob send; /* Text we are sending to the server */
Blob recv; /* Reply we got back from the server */
Blob line; /* A single line of the reply */
Blob aToken[5]; /* A tokenization of line */
Blob errmsg; /* Error message */
assert( pushFlag || pullFlag || cloneFlag );
................................................................................
blob_zero(&send);
blob_zero(&recv);
blob_zero(&errmsg);
while( go ){
go = 0;
/* Generate a request to be sent to the server.
** Always begin with a clone, pull, or push message
*/
if( cloneFlag ){
blob_appendf(&send, "clone\n");
pushFlag = 0;
pullFlag = 0;
}else if( pullFlag ){
blob_appendf(&send, "pull %s %s\n", zSCode, zPCode);
}
if( pushFlag ){
blob_appendf(&send, "push %s %s\n", zSCode, zPCode);
}
if( pullFlag ){
/* Send gimme message for every phantom that we hold.
*/
Stmt q;
db_prepare(&q, "SELECT uuid FROM blob WHERE size<0");
while( db_step(&q)==SQLITE_ROW ){
const char *zUuid = db_column_text(&q, 0);
blob_appendf(&send,"gimme %s\n", zUuid);
}
db_finalize(&q);
}
if( pushFlag ){
/* Send the server any files that the server has requested */
nSent += send_all_pending(&send);
}
if( pullFlag || pushFlag ){
/* Always send our leaves */
Stmt q;
db_prepare(&q,
"SELECT uuid FROM blob WHERE rid IN"
" (SELECT cid FROM plink EXCEPT SELECT pid FROM plink)"
);
while( db_step(&q)==SQLITE_ROW ){
const char *zUuid = db_column_text(&q, 0);
blob_appendf(&send, "leaf %s\n", zUuid);
}
db_finalize(&q);
}
/* Exchange messages with the server */
printf("Sending %d files to server\n", nSent);
http_exchange(&send, &recv);
blob_reset(&send);
/* Process the reply that came back from the server */
while( blob_line(&recv, &line) ){
nToken = blob_tokenize(&line, aToken, count(aToken));
................................................................................
/* file UUID SIZE \n CONTENT
** file UUID DELTASRC SIZE \n CONTENT
**
** Receive a file transmitted from the other side
*/
if( blob_eq(&aToken[0],"file") ){
xfer_accept_file(&recv, aToken, nToken, &errmsg);
nRcvd++;
}else
/* gimme UUID
**
** Server is requesting a file
*/
if( blob_eq(&aToken[0], "gimme") && nToken==2
&& blob_is_uuid(&aToken[1]) ){
if( pushFlag ){
db_multi_exec(
"INSERT OR IGNORE INTO pending(rid) "
"SELECT rid FROM blob WHERE uuid=%B AND size>=0", &aToken[1]
);
go = 1;
}
................................................................................
** Server proclaims that it has a particular file. A leaf message
** means that the file is a leaf manifest on the server.
*/
if( nToken==2
&& (blob_eq(&aToken[0], "igot") || blob_eq(&aToken[0], "leaf"))
&& blob_is_uuid(&aToken[1]) ){
int rid = db_int(0, "SELECT rid FROM blob WHERE uuid=%B", &aToken[1]);
if( rid>0 ){
db_multi_exec(
"INSERT OR IGNORE INTO onremote(rid) VALUES(%d)", rid
);
/* Add to the pending set all children of the server's leaves */
if( pushFlag && blob_eq(&aToken[0], "leaf") ){
db_multi_exec(
................................................................................
*/
if( blob_eq(&aToken[0],"push") && nToken==3 && cloneFlag
&& blob_is_uuid(&aToken[1]) && blob_is_uuid(&aToken[2]) ){
if( blob_eq_str(&aToken[1], zSCode, -1) ){
fossil_fatal("server loop");
}
if( zPCode==0 ){
zPCode = mprintf("%b", &aToken[2]);
db_set("project-code", zPCode);
}
cloneFlag = 0;
pullFlag = 1;
}else
................................................................................
if( blob_size(&errmsg) ){
fossil_fatal("%b", &errmsg);
}
blobarray_reset(aToken, nToken);
}
blob_reset(&recv);
printf("Received %d files from server\n", nRcvd);
nSent = nRcvd = 0;
};
http_close();
db_end_transaction(0);
db_multi_exec(
"DROP TABLE onremote;"
"DROP TABLE pending;"
);
}
|
| | | > > > > > > | > | > > | > > > | | > |
481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 ... 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 ... 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 ... 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 ... 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 ... 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 |
** true.
*/
void client_sync(int pushFlag, int pullFlag, int cloneFlag){
int go = 1; /* Loop until zero */
int nToken;
const char *zSCode = db_get("server-code", "x");
const char *zPCode = db_get("project-code", 0);
int nFile = 0;
int nMsg = 0;
int nReq = 0;
Blob send; /* Text we are sending to the server */
Blob recv; /* Reply we got back from the server */
Blob line; /* A single line of the reply */
Blob aToken[5]; /* A tokenization of line */
Blob errmsg; /* Error message */
assert( pushFlag || pullFlag || cloneFlag );
................................................................................
blob_zero(&send);
blob_zero(&recv);
blob_zero(&errmsg);
while( go ){
go = 0;
nFile = nReq = nMsg = 0;
/* Generate a request to be sent to the server.
** Always begin with a clone, pull, or push message
*/
if( cloneFlag ){
blob_appendf(&send, "clone\n");
pushFlag = 0;
pullFlag = 0;
nMsg++;
}else if( pullFlag ){
blob_appendf(&send, "pull %s %s\n", zSCode, zPCode);
nMsg++;
}
if( pushFlag ){
blob_appendf(&send, "push %s %s\n", zSCode, zPCode);
nMsg++;
}
if( pullFlag ){
/* Send gimme message for every phantom that we hold.
*/
Stmt q;
db_prepare(&q, "SELECT uuid FROM blob WHERE size<0");
while( db_step(&q)==SQLITE_ROW ){
const char *zUuid = db_column_text(&q, 0);
blob_appendf(&send,"gimme %s\n", zUuid);
nReq++;
}
db_finalize(&q);
}
if( pushFlag ){
/* Send the server any files that the server has requested */
nFile += send_all_pending(&send);
}
if( pullFlag || pushFlag ){
/* Always send our leaves */
Stmt q;
db_prepare(&q,
"SELECT uuid FROM blob WHERE rid IN"
" (SELECT cid FROM plink EXCEPT SELECT pid FROM plink)"
);
while( db_step(&q)==SQLITE_ROW ){
const char *zUuid = db_column_text(&q, 0);
blob_appendf(&send, "leaf %s\n", zUuid);
nMsg++;
}
db_finalize(&q);
}
/* Exchange messages with the server */
printf("Send: %d files, %d requests, %d other messages\n",
nFile, nReq, nMsg);
nFile = nReq = nMsg = 0;
http_exchange(&send, &recv);
blob_reset(&send);
/* Process the reply that came back from the server */
while( blob_line(&recv, &line) ){
nToken = blob_tokenize(&line, aToken, count(aToken));
................................................................................
/* file UUID SIZE \n CONTENT
** file UUID DELTASRC SIZE \n CONTENT
**
** Receive a file transmitted from the other side
*/
if( blob_eq(&aToken[0],"file") ){
xfer_accept_file(&recv, aToken, nToken, &errmsg);
nFile++;
}else
/* gimme UUID
**
** Server is requesting a file
*/
if( blob_eq(&aToken[0], "gimme") && nToken==2
&& blob_is_uuid(&aToken[1]) ){
nReq++;
if( pushFlag ){
db_multi_exec(
"INSERT OR IGNORE INTO pending(rid) "
"SELECT rid FROM blob WHERE uuid=%B AND size>=0", &aToken[1]
);
go = 1;
}
................................................................................
** Server proclaims that it has a particular file. A leaf message
** means that the file is a leaf manifest on the server.
*/
if( nToken==2
&& (blob_eq(&aToken[0], "igot") || blob_eq(&aToken[0], "leaf"))
&& blob_is_uuid(&aToken[1]) ){
int rid = db_int(0, "SELECT rid FROM blob WHERE uuid=%B", &aToken[1]);
nMsg++;
if( rid>0 ){
db_multi_exec(
"INSERT OR IGNORE INTO onremote(rid) VALUES(%d)", rid
);
/* Add to the pending set all children of the server's leaves */
if( pushFlag && blob_eq(&aToken[0], "leaf") ){
db_multi_exec(
................................................................................
*/
if( blob_eq(&aToken[0],"push") && nToken==3 && cloneFlag
&& blob_is_uuid(&aToken[1]) && blob_is_uuid(&aToken[2]) ){
if( blob_eq_str(&aToken[1], zSCode, -1) ){
fossil_fatal("server loop");
}
nMsg++;
if( zPCode==0 ){
zPCode = mprintf("%b", &aToken[2]);
db_set("project-code", zPCode);
}
cloneFlag = 0;
pullFlag = 1;
}else
................................................................................
if( blob_size(&errmsg) ){
fossil_fatal("%b", &errmsg);
}
blobarray_reset(aToken, nToken);
}
blob_reset(&recv);
printf("Received: %d files, %d requests, %d other messages\n",
nFile, nReq, nMsg);
nFile = nReq = nMsg = 0;
};
http_close();
db_end_transaction(0);
db_multi_exec(
"DROP TABLE onremote;"
"DROP TABLE pending;"
);
}
|