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149 lines
3 KiB
C
149 lines
3 KiB
C
/*
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* This code is for servers used in test 4. Server 1 inserts
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* into database 1 and Server 2 inserts into database 2, then
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* sleeps for 30 seconds to cause a timeout error in the client.
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*/
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#include <sys/types.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <atmi.h>
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#include <fml1632.h>
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#include <fml32.h>
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#include <tx.h>
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#include <xa.h>
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#include <db.h>
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/*
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* The two servers are largely identical, #ifdef the source code.
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*/
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#ifdef SERVER1
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#define TXN_FUNC TestTxn1
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#define TXN_STRING "TestTxn1"
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#define TABLE "table1.db"
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#endif
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#ifdef SERVER2
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#define TXN_FUNC TestTxn2
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#define TXN_STRING "TestTxn2"
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#define TABLE "table2.db"
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#endif
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void TXN_FUNC(TPSVCINFO *);
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#define HOME "../data"
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#ifdef VERBOSE
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static int verbose = 1; /* Debugging output. */
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#else
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static int verbose = 0;
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#endif
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DB *db; /* Table handle. */
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char *progname; /* Server run-time name. */
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/*
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* Called when each server is started. It creates and opens a database.
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*/
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int
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tpsvrinit(int argc, char* argv[])
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{
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int ret;
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progname = argv[0];
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if (verbose)
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printf("%s: called\n", progname);
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/* Open resource managers. */
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if (tx_open() == TX_ERROR) {
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fprintf(stderr, "tx_open: TX_ERROR\n");
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return (-1);
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}
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/* Seed random number generator. */
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srand((u_int)(time(NULL) | getpid()));
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/* Open permanent XA handles. */
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if ((ret = db_create(&db, NULL, DB_XA_CREATE)) != 0) {
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fprintf(stderr, "db_create: %s\n", db_strerror(ret));
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return (-1);
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}
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db->set_errfile(db, stderr);
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if ((ret = db->open(db, NULL,
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TABLE, NULL, DB_BTREE, DB_AUTO_COMMIT | DB_CREATE, 0660)) != 0) {
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fprintf(stderr, "DB open: %s: %s\n", TABLE, db_strerror(ret));
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return (-1);
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}
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if (verbose)
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printf("%s: tpsvrinit: initialization done\n", progname);
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return (0);
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}
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/* Called when the servers are shutdown. This closes the database. */
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void
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tpsvrdone()
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{
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if (db != NULL)
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(void)db->close(db, 0);
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tx_close();
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if (verbose)
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printf("%s: tpsvrdone: shutdown done\n", progname);
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}
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/*
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* This function is called by the client. Here Server 1 and Server 2 insert
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* data into a table using XA transactions. */
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void
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TXN_FUNC(TPSVCINFO *msg)
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{
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DBT data;
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DBT key;
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int ret, val;
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val = 1;
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memset(&key, 0, sizeof(key));
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key.data = &val;
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key.size = sizeof(val);
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memset(&data, 0, sizeof(data));
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data.data = &val;
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data.size = sizeof(val);
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/* Table 1. */
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if (verbose) {
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printf("put: key in %s: %i\n", val, TABLE);
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printf("put: data in %s: %i\n", val, TABLE);
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}
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if ((ret = db->put(db, NULL, &key, &data, 0)) != 0) {
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if (ret == DB_LOCK_DEADLOCK)
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goto abort;
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fprintf(stderr, "%s: %s: Table->put: %s\n",
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progname, TXN_STRING, db_strerror(ret));
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goto err;
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}
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/* Sleep for 30 seconds to force a timeout error. */
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#ifdef SERVER2
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sleep(30);
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#endif
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tpreturn(TPSUCCESS, 0L, 0, 0L, 0);
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if (0) {
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abort: if (verbose)
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printf("%s: %s: abort\n", progname, TXN_STRING);
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tpreturn(TPSUCCESS, 1L, 0, 0L, 0);
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}
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return;
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err:
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tpreturn(TPFAIL, 0L, 0, 0L, 0);
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}
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