Output of F2 with two scipts

Dear All,
I have a billing type F2, but have two different scripts to call from same billing docment number, how should i configure this.
Did i made two output types, or it is possible to assign both scripts on one output type..
Looking for the gurus feedback.
Regards,

Hi Imran,
You should check tcode NACE, application V2 corresponds to Outbound Delivery --> there is no separate application for before and after PGI. You should configure 2 output type ZYY1 and ZYY2 and attach a routine to it.
And put a logic in this routine with the help of an ABAPer that based on the document status i.e. if the PGI is done for that delivery or not set sy-subrc. The delivery document is available in structure KOMKBV2.
This should help you with your requirement. If so, pls close this thread and do assign pnts if found helpful.
Regards,
Raghu.

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    [1307872971:644194][6510/1131526464] CLIENT: init connection to site 2.0.0.210:12345 with result 115
    [1307873165:844583][6510/1131526464] CLIENT: init connection to site 2.0.0.210:12345 with result 115
    [1307873360:44955][6510/1131526464] CLIENT: init connection to site 2.0.0.210:12345 with result 115
    [1307873554:245347][6510/1131526464] CLIENT: init connection to site 2.0.0.210:12345 with result 115
    [1307873748:445736][6510/1131526464] CLIENT: init connection to site 2.0.0.210:12345 with result 115
    [1307873942:646117][6510/1131526464] CLIENT: init connection to site 2.0.0.210:12345 with result 115
    [1307874136:846509][6510/1131526464] CLIENT: init connection to site 2.0.0.210:12345 with result 115
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    My question is why the Master is suddenly transformed into CLIENT and why it's never returning to the MASTER
    Thanks in advance ...
    here is the log for the client
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    const char *progname = "excxx_repquote";
    #include <errno.h>
    #ifdef _WIN32
    #define WIN32_LEAN_AND_MEAN
    #include <windows.h>
    #define     snprintf          _snprintf
    #define     sleep(s)          Sleep(1000 * (s))
    extern "C" {
    extern int getopt(int, char * const *, const char *);
    extern char *optarg;
    typedef HANDLE thread_t;
    typedef DWORD thread_exit_status_t;
    #define     thread_create(thrp, attr, func, arg)                    \
    (((*(thrp) = CreateThread(NULL, 0,                         \
         (LPTHREAD_START_ROUTINE)(func), (arg), 0, NULL)) == NULL) ? -1 : 0)
    #define     thread_join(thr, statusp)                         \
    ((WaitForSingleObject((thr), INFINITE) == WAIT_OBJECT_0) &&          \
    GetExitCodeThread((thr), (LPDWORD)(statusp)) ? 0 : -1)
    #else /* !_WIN32 */
    #include <pthread.h>
    typedef pthread_t thread_t;
    typedef void* thread_exit_status_t;
    #define     thread_create(thrp, attr, func, arg)                    \
    pthread_create((thrp), (attr), (func), (arg))
    #define     thread_join(thr, statusp) pthread_join((thr), (statusp))
    #endif
    // Struct used to store information in Db app_private field.
    typedef struct {
         bool app_finished;
         bool in_client_sync;
         bool is_master;
         bool no_dummy_wr;
    } APP_DATA;
    static void log(const char *);
    void checkpoint_thread (void );
    void log_archive_thread (void );
    void dummy_write_thread (void );
    class RepQuoteExample {
    public:
         RepQuoteExample();
         void init(RepConfigInfo* config);
         void doloop();
         int terminate();
         static void event_callback(DbEnv* dbenv, u_int32_t which, void *info);
         void print_stocks_size(Db *dbp);
    private:
         // disable copy constructor.
         RepQuoteExample(const RepQuoteExample &);
         void operator = (const RepQuoteExample &);
         // internal data members.
         APP_DATA          app_data;
         RepConfigInfo *app_config;
         DbEnv          cur_env;
         thread_t ckp_thr;
         thread_t lga_thr;
         thread_t dmy_thr;
         // private methods.
         void print_stocks(Db *dbp);
         void print_env(DbEnv *dbenv);
         void prompt();
    RepQuoteExample *g_runner=NULL;
    RepConfigInfo *g_config=NULL;
    class DbHolder {
    public:
         DbHolder(DbEnv env, const char _dbname) : env(env)
              dbp = 0;
              if (_dbname) dbname=_dbname;
              else dbname=DATABASE;
         ~DbHolder() {
         try {
              close();
         } catch (...) {
              // Ignore: this may mean another exception is pending
         bool ensure_open(bool creating) {
         if (dbp)
              return (true);
         dbp = new Db(env, 0);
         u_int32_t flags = DB_AUTO_COMMIT;
         if (creating)
              flags |= DB_CREATE;
         try {
              //dbp->open(NULL, DATABASE, NULL, DB_BTREE, flags, 0);
              //dbp->open(NULL, dbname, NULL, DB_BTREE, flags, 0);
              dbp->open(NULL, NULL, dbname, DB_BTREE, flags, 0);
              return (true);
         } catch (DbDeadlockException e) {
         } catch (DbRepHandleDeadException e) {
         } catch (DbException e) {
              if (e.get_errno() == DB_REP_LOCKOUT) {
              // Just fall through.
              } else if (e.get_errno() == ENOENT && !creating) {
              // Provide a bit of extra explanation.
              log("Stock DB does not yet exist");
              } else
              throw;
         // (All retryable errors fall through to here.)
         log("please retry the operation");
         close();
         return (false);
         void close() {
         if (dbp) {
              try {
              dbp->close(0);
              delete dbp;
              dbp = 0;
              } catch (...) {
              delete dbp;
              dbp = 0;
              throw;
         operator Db *() {
         return dbp;
         Db *operator->() {
         return dbp;
    private:
         Db *dbp;
         DbEnv *env;
         const char *dbname;
    class StringDbt : public Dbt {
    public:
    #define GET_STRING_OK 0
    #define GET_STRING_INVALID_PARAM 1
    #define GET_STRING_SMALL_BUFFER 2
    #define GET_STRING_EMPTY_DATA 3
         int get_string(char **buf, size_t buf_len)
              size_t copy_len;
              int ret = GET_STRING_OK;
              if (buf == NULL) {
                   cerr << "Invalid input buffer to get_string" << endl;
                   return GET_STRING_INVALID_PARAM;
              // make sure the string is null terminated.
              memset(*buf, 0, buf_len);
              // if there is no string, just return.
              if (get_data() == NULL || get_size() == 0)
                   return GET_STRING_OK;
              if (get_size() >= buf_len) {
                   ret = GET_STRING_SMALL_BUFFER;
                   copy_len = buf_len - 1; // save room for a terminator.
              } else
                   copy_len = get_size();
              memcpy(*buf, get_data(), copy_len);
              return ret;
         size_t get_string_length()
              if (get_size() == 0)
                   return 0;
              return strlen((char *)get_data());
         void set_string(char *string)
              set_data(string);
              set_size((u_int32_t)strlen(string));
         StringDbt(char *string) :
         Dbt(string, (u_int32_t)strlen(string)) {};
         StringDbt() : Dbt() {};
         ~StringDbt() {};
         // Don't add extra data to this sub-class since we want it to remain
         // compatible with Dbt objects created internally by Berkeley DB.
    Db *g_repquote=NULL;
    RepQuoteExample::RepQuoteExample() : app_config(0), cur_env(0) {
         app_data.app_finished = 0;
         app_data.in_client_sync = 0;
         app_data.is_master = 0; // assume I start out as client
         app_data.no_dummy_wr = 0 ; //prevent to run dummy write
    int (*old_rep_process_message)
              __P((DB_ENV *, DBT *, DBT *, int, DB_LSN *));
    int my_rep_process_message __P((DB_ENV arg1, DBT arg2, DBT arg3, int arg4, DB_LSN arg5))
         printf("EZ->>> my_rep_process_message:%p\n",arg5);
         old_rep_process_message(arg1,arg2,arg3,arg4,arg5);
    void RepQuoteExample::init(RepConfigInfo *config) {
         app_config = config;
         cur_env.set_app_private(&app_data);
         cur_env.set_errfile(stderr);
         app_data.no_dummy_wr=config->no_dummy_wr;
         if (app_data.no_dummy_wr)
              printf("No dummy !!!\n");
         //EZ->cur_env.set_errpfx(progname);
         cur_env.set_event_notify(event_callback);
         // Configure bulk transfer to send groups of records to clients
         // in a single network transfer. This is useful for master sites
         // and clients participating in client-to-client synchronization.
         if (app_config->bulk)
              cur_env.rep_set_config(DB_REP_CONF_BULK, 1);
         // Set the total number of sites in the replication group.
         // This is used by repmgr internal election processing.
         if (app_config->totalsites > 0)
              cur_env.rep_set_nsites(app_config->totalsites);
         // Turn on debugging and informational output if requested.
         if (app_config->verbose)
              cur_env.set_verbose(DB_VERB_REPLICATION, 1);
         cur_env.set_verbose(DB_VERB_REPMGR_MISC, 1);
         cur_env.set_verbose(DB_VERB_RECOVERY, 1);
         cur_env.set_verbose(DB_VERB_REPLICATION, 1);
         cur_env.set_verbose(DB_VERB_REP_ELECT, 1);
         cur_env.set_verbose(DB_VERB_REP_LEASE, 1);
         cur_env.set_verbose(DB_VERB_REP_SYNC, 1);
         cur_env.set_verbose(DB_VERB_REPMGR_MISC, 1);
         // Set replication group election priority for this environment.
         // An election first selects the site with the most recent log
         // records as the new master. If multiple sites have the most
         // recent log records, the site with the highest priority value
         // is selected as master.
         cur_env.rep_set_priority(app_config->priority);
         // Set the policy that determines how master and client sites
         // handle acknowledgement of replication messages needed for
         // permanent records. The default policy of "quorum" requires only
         // a quorum of electable peers sufficient to ensure a permanent
         // record remains durable if an election is held. The "all" option
         // requires all clients to acknowledge a permanent replication
         // message instead.
         cur_env.repmgr_set_ack_policy(app_config->ack_policy);
         // Set the threshold for the minimum and maximum time the client
         // waits before requesting retransmission of a missing message.
         // Base these values on the performance and load characteristics
         // of the master and client host platforms as well as the round
         // trip message time.
         cur_env.rep_set_request(20000, 500000);
         // Configure deadlock detection to ensure that any deadlocks
         // are broken by having one of the conflicting lock requests
         // rejected. DB_LOCK_DEFAULT uses the lock policy specified
         // at environment creation time or DB_LOCK_RANDOM if none was
         // specified.
         cur_env.set_lk_detect(DB_LOCK_DEFAULT);
         // The following base replication features may also be useful to your
         // application. See Berkeley DB documentation for more details.
         // - Master leases: Provide stricter consistency for data reads
         // on a master site.
         // - Timeouts: Customize the amount of time Berkeley DB waits
         // for such things as an election to be concluded or a master
         // lease to be granted.
         // - Delayed client synchronization: Manage the master site's
         // resources by spreading out resource-intensive client
         // synchronizations.
         // - Blocked client operations: Return immediately with an error
         // instead of waiting indefinitely if a client operation is
         // blocked by an ongoing client synchronization.
         cur_env.repmgr_set_local_site(app_config->this_host.host,
         app_config->this_host.port, 0);
         for ( REP_HOST_INFO *cur = app_config->other_hosts; cur != NULL;
              cur = cur->next) {
              cur_env.repmgr_add_remote_site(cur->host, cur->port,
              NULL, cur->peer ? DB_REPMGR_PEER : 0);
         // Configure heartbeat timeouts so that repmgr monitors the
         // health of the TCP connection. Master sites broadcast a heartbeat
         // at the frequency specified by the DB_REP_HEARTBEAT_SEND timeout.
         // Client sites wait for message activity the length of the
         // DB_REP_HEARTBEAT_MONITOR timeout before concluding that the
         // connection to the master is lost. The DB_REP_HEARTBEAT_MONITOR
         // timeout should be longer than the DB_REP_HEARTBEAT_SEND timeout.
         cur_env.rep_set_timeout(DB_REP_HEARTBEAT_SEND, 5000000);
         cur_env.rep_set_timeout(DB_REP_HEARTBEAT_MONITOR, 10000000);
         // The following repmgr features may also be useful to your
         // application. See Berkeley DB documentation for more details.
         // - Two-site strict majority rule - In a two-site replication
         // group, require both sites to be available to elect a new
         // master.
         // - Timeouts - Customize the amount of time repmgr waits
         // for such things as waiting for acknowledgements or attempting
         // to reconnect to other sites.
         // - Site list - return a list of sites currently known to repmgr.
         // We can now open our environment, although we're not ready to
         // begin replicating. However, we want to have a dbenv around
         // so that we can send it into any of our message handlers.
         cur_env.set_cachesize(0, CACHESIZE, 0);
         cur_env.set_flags(DB_REP_PERMANENT, 1);
         //cur_env.set_flags(DB_TXN_WRITE_NOSYNC, 1);
    /*     u_int32_t maxlocks=300000;
         if (maxlocks != 0)
              cur_env.set_lk_max_locks(maxlocks);
         u_int32_t maxlocks_o=300000;
         if (maxlocks_o != 0)
              cur_env.set_lk_max_objects(maxlocks_o);
         u_int32_t maxmutex=300000;
         if (maxmutex != 0)
              cur_env.mutex_set_max(maxmutex);
         DbEnv          *m_env=&cur_env;
         m_env->set_flags(DB_TXN_NOSYNC, 1);
         m_env->set_lk_max_lockers(60000);
         m_env->set_lk_max_objects(60000);
         m_env->set_lk_max_locks(60000);
         m_env->set_tx_max(60000);
         //m_env->repmgr_set_ack_policy(DB_REPMGR_ACKS_NONE);
         m_env->rep_set_timeout(DB_REP_ACK_TIMEOUT, 50 * 1000); //50ms
         m_env->rep_set_timeout(DB_REP_CHECKPOINT_DELAY, 0);
         //m_env->rep_set_timeout(DB_REP_CONNECTION_RETRY, 30 * 1000 * 1000); // 30 seconds
         m_env->rep_set_timeout(DB_REP_ELECTION_TIMEOUT, 1 * 1000 * 1000); // 5 seconds
         m_env->rep_set_timeout(DB_REP_FULL_ELECTION_TIMEOUT, 5 * 1000 * 1000); // 5 seconds
         m_env->rep_set_timeout(DB_REP_CONNECTION_RETRY, 5 * 1000 * 1000);
         //m_env->rep_set_timeout(DB_REP_ELECTION_RETRY, 10 * 1000 * 1000); //10 seconds
         //m_env->rep_set_timeout(DB_REP_HEARTBEAT_MONITOR, 80 * 1000 * 1000); //80 seconds
         //m_env->rep_set_timeout(DB_REP_HEARTBEAT_SEND, 500 * 1000); //500 milli seconds
         //The minimum number of microseconds a client waits before requesting retransmission
         u_int32_t rep_req_min = 40000; //40 000 microsec = 40 mili
         //The maximum number of microseconds a client waits before requesting retransmission
         u_int32_t rep_req_max = 1280000;// 1 280 000 microsec = 1.28 sec
         u_int32_t rep_limit_gbytes = 0;
         u_int32_t rep_limit_bytes = 100 * 1024 * 1024; // 100MB
         m_env->rep_set_request(rep_req_min, rep_req_max);
         m_env->rep_set_limit(rep_limit_gbytes, rep_limit_bytes);
         cur_env.open(app_config->home, DB_CREATE | DB_RECOVER |
         DB_THREAD | DB_INIT_REP | DB_INIT_LOCK | DB_INIT_LOG |
         DB_INIT_MPOOL | DB_INIT_TXN , 0);
         //keep old function for chain
         //old_rep_process_message=cur_env.get_DB_ENV()->rep_process_message;
         //derouting
         //cur_env.get_DB_ENV()->rep_process_message=my_rep_process_message;
         /*int _i;
         cur_env.log_get_config(DB_LOG_DIRECT, &_i);printf ("DB_LOG_DIRECT = %d\n",_i);
         cur_env.log_get_config(DB_LOG_DSYNC, &_i);printf ("DB_LOG_DSYNC = %d\n",_i);
         cur_env.log_get_config(DB_LOG_AUTO_REMOVE, &_i);printf ("DB_LOG_AUTO_REMOVE = %d\n",_i);
         cur_env.log_get_config(DB_LOG_IN_MEMORY, &_i);printf ("DB_LOG_IN_MEMORY = %d\n",_i);
         cur_env.log_get_config(DB_LOG_ZERO,&_i);printf ("DB_LOG_ZERO = %d\n",_i);
         // Start checkpoint and log archive support threads.
         (void)thread_create(&ckp_thr, NULL, checkpoint_thread, &cur_env);
         (void)thread_create(&lga_thr, NULL, log_archive_thread, &cur_env);
         (void)thread_create(&dmy_thr, NULL, dummy_write_thread, &cur_env);
         cur_env.repmgr_start(3, app_config->start_policy);
    }

    int RepQuoteExample::terminate() {
         try {
              // Wait for checkpoint and log archive threads to finish.
              // Windows does not allow NULL pointer for exit code variable.
              thread_exit_status_t exstat;
              (void)thread_join(lga_thr, &exstat);
              (void)thread_join(ckp_thr, &exstat);
              (void)thread_join(dmy_thr, &exstat);
              // We have used the DB_TXN_NOSYNC environment flag for
              // improved performance without the usual sacrifice of
              // transactional durability, as discussed in the
              // "Transactional guarantees" page of the Reference
              // Guide: if one replication site crashes, we can
              // expect the data to exist at another site. However,
              // in case we shut down all sites gracefully, we push
              // out the end of the log here so that the most
              // recent transactions don't mysteriously disappear.
              cur_env.log_flush(NULL);
              cur_env.close(0);
         } catch (DbException dbe) {
              cout << "error closing environment: " << dbe.what() << endl;
         return 0;
    void RepQuoteExample::prompt() {
         cout << "QUOTESERVER";
         if (!app_data.is_master)
              cout << "(read-only)";
         cout << "> " << flush;
    void log(const char *msg) {
    time_t currentTime;
    // get and print the current time
    time (&currentTime); // fill now with the current time
         char buff[255];
         strncpy(buff,ctime(&currentTime),sizeof(buff));
         char *p;
         for(p =buff ; *p != '\n'; p++);
         *p = '\0';
         cerr << buff << " - " << msg << endl;
    // Simple command-line user interface:
    // - enter "<stock symbol> <price>" to insert or update a record in the
    //     database;
    // - just press Return (i.e., blank input line) to print out the contents of
    //     the database;
    // - enter "quit" or "exit" to quit.
    void RepQuoteExample::doloop() {
         DbHolder dbh1(&cur_env,DATABASE);
         DbHolder dbh2(&cur_env,DATABASE2);
         DbHolder *dbh=&dbh1;
         DbTxn *txn;
         string input;
    bool truncate = false;
         char *c;
         using_history();
         g_repquote=*dbh;
         int loop_rate = 0;
         int txn_rate = 500;
         while (prompt(), /*getline(cin, input)*/c=readline(NULL)) {
              input=std::string(c);
              add_history(c);
              free(c);
              int start_loop = 0;
              int end_loop = 0;
              int start_loop_d = 0;
              int end_loop_d = 0;
              istringstream is(input);
              string token1, token2, token3;
    truncate = false;
    start_loop = 0;
    end_loop = 0;
              // Read 0, 1 or 2 tokens from the input.
              int count = 0;
              if (is >> token1) {
                   count++;
                   if (is >> token2)
                   count++;
                   if (is >> token3)
                   count++;
              if (count == 1) {
         if (token1 == "truncate" ) {
                        truncate = true;     
                   else if (token1 == "env" ){
                        print_env(&cur_env);
                        continue;
         else if (token1 == "verbose" ) {
                        app_config->verbose = !app_config->verbose;
                        if (app_config->verbose)
                             cur_env.set_verbose(DB_VERB_REPLICATION, 1);
                             cur_env.set_verbose(DB_VERB_REPMGR_MISC, 1);
                             cur_env.set_verbose(DB_VERB_RECOVERY, 1);
                             cur_env.set_verbose(DB_VERB_REP_ELECT, 1);
                             cur_env.set_verbose(DB_VERB_REP_LEASE, 1);
                             cur_env.set_verbose(DB_VERB_REP_SYNC, 1);
                             cur_env.set_verbose(DB_VERB_REPMGR_MISC, 1);
                             log("verbose is on");
                        else
                             cur_env.set_verbose(DB_VERB_REPLICATION, 0);
                             cur_env.set_verbose(DB_VERB_REPMGR_MISC, 0);
                             cur_env.set_verbose(DB_VERB_RECOVERY, 0);
                             cur_env.set_verbose(DB_VERB_REP_ELECT, 0);
                             cur_env.set_verbose(DB_VERB_REP_LEASE, 0);
                             cur_env.set_verbose(DB_VERB_REP_SYNC, 0);
                             cur_env.set_verbose(DB_VERB_REPMGR_MISC, 0);
                             log("verbose is off");
                        continue;
         else if (token1 == "print" ) {
                   print_stocks(*dbh);
                        count = 0;      
         else if (token1 == "db1" ) {
                        dbh=&dbh1;
                        g_repquote=*dbh;
                        log( "switch to Db1");
                        count = 0;      
         else if (token1 == "db2" ) {
                        dbh=&dbh2;
                        g_repquote=*dbh;
                        log( "switch to Db2");
                        count = 0;      
                   else if (token1 == "exit" || token1 == "quit") {
                        app_data.app_finished = 1;
                        break;
                   } else {
                        log("Format: <stock> <price>");
                        continue;
    else if (count == 2)
                   if (token1 == "loop_rate" ){
         loop_rate = atoi(token2.c_str());
                        continue;
                   if (token1 == "txn_rate" ){
         txn_rate = atoi(token2.c_str());
                        continue;
    else if (count == 3)
    if (token1 == "loop" ) {
    start_loop = atoi(token2.c_str());
    end_loop = start_loop + atoi(token3.c_str());
    if (token1 == "delete" ) {
    start_loop_d = atoi(token2.c_str());
    end_loop_d = start_loop_d + atoi(token3.c_str());
              // Here we know count is either 0 or 2, so we're about to try a
              // DB operation.
              // Open database with DB_CREATE only if this is a master
              // database. A client database uses polling to attempt
              // to open the database without DB_CREATE until it is
              // successful.
              // This DB_CREATE polling logic can be simplified under
              // some circumstances. For example, if the application can
              // be sure a database is already there, it would never need
              // to open it with DB_CREATE.
              if (!dbh->ensure_open(app_data.is_master))
                   continue;
              try {
                   if (count == 0)
                        if (app_data.in_client_sync)
                             log( "Cannot read data during client initialization - please try again.");
                        else
                             print_stocks_size(*dbh);
                   else if (!app_data.is_master)
                        log("Can't update at client");
                   else {
                        if (truncate)
    u_int32_t no_remove;
                        txn = NULL;
    cur_env.txn_begin(NULL, &txn, DB_TXN_NOWAIT);
                             try
              (*dbh)->truncate(txn, &no_remove, 0);
    // commit
    txn->commit(0);
    txn = NULL;
    } catch (DbException &e) {
    std::cout << "Error on txn commit: " << e.what() << std::endl;
                        //     } catch (DbDeadlockException &) {
                        if (txn != NULL)
                             (void)txn->abort();
    // std::cout << "Error on txn commit: " << std::endl;
    else if (start_loop)
    int j=0;
    for (int i=start_loop; i<=end_loop; i=i+txn_rate)
    //transaction begin
                   txn = NULL;
                   cur_env.txn_begin(NULL, &txn, 0);
    for (j=i; j<=end_loop && j<=(i+txn_rate); j++)
                                  Dbt key, value;
         std::string key1, value1;
         std::stringstream sstrm;
         sstrm << "key" << j << ends;
         key1 = sstrm.str();
                   key.set_data((void *)key1.c_str());
                   key.set_size((u_int32_t)strlen(key1.c_str()));
         sstrm.str("");
         int payload = rand() + j;
                                  sstrm << "price" << payload << ends;
         value1 = sstrm.str();
                   value.set_data((void *)value1.c_str());
                   value.set_size((u_int32_t)strlen(value1.c_str()));
         // Perform the database put
         (*dbh)->put(txn, &key, &value, 0);
                             printf("Kill me !!\n");
                             kill(getpid(),-9);
                             exit(0);
         try
                                  // commit
                        txn->commit(0);
                        txn = NULL;
                   } catch (DbException &e) {
                        std::cout << "Error on txn commit: " << e.what() << std::endl;
                             if (loop_rate>0)
                                  usleep(txn_rate * 1000 * 1000 / loop_rate);
                        else if (start_loop_d)
    int j=0;
    for (int i=start_loop_d; i<=end_loop_d; i=i+100)
    //transaction begin
                   txn = NULL;
                   cur_env.txn_begin(NULL, &txn, 0);
    for (j=i; j<=end_loop_d && j<=(i+100); j++)
                                  Dbt key, value;
         std::string key1, value1;
         std::stringstream sstrm;
         sstrm << "key" << j << ends;
         key1 = sstrm.str();
                   key.set_data((void *)key1.c_str());
                   key.set_size((u_int32_t)strlen(key1.c_str()));
         // Perform the database put
         (*dbh)->del(txn, &key, 0);
         try
                                  // commit
                        txn->commit(0);
                        txn = NULL;
                   } catch (DbException &e) {
                        std::cout << "Error on txn commit: " << e.what() << std::endl;
                        else
                             const char *symbol = token1.c_str();
                             StringDbt key(const_cast<char*>(symbol));
                             const char *price = token2.c_str();
                             StringDbt data(const_cast<char*>(price));
                             (*dbh)->put(NULL, &key, &data, 0);
              } catch (DbDeadlockException e) {
                   log("please retry the operation");
                   dbh->close();
              } catch (DbRepHandleDeadException e) {
                   log("please retry the operation");
                   dbh->close();
              } catch (DbException e) {
                   if (e.get_errno() == DB_REP_LOCKOUT) {
                   log("please retry the operation");
                   dbh->close();
                   } else
                   throw;
         dbh->close();
    void RepQuoteExample::event_callback(DbEnv* dbenv, u_int32_t which, void *info)
         static char buf[256];
         APP_DATA app = (APP_DATA)dbenv->get_app_private();
         info = NULL;          /* Currently unused. */
         switch (which) {
         case DB_EVENT_REP_CLIENT:
              app->is_master = 0;
              app->in_client_sync = 1;
              sprintf(buf,"%s - %s",progname,"CLIENT");
              //EZ->dbenv->set_errpfx(buf);
              log("DB_EVENT_REP_CLIENT.");
              break;
         case DB_EVENT_REP_MASTER:
              app->is_master = 1;
              app->in_client_sync = 0;
              sprintf(buf,"%s - %s",progname,"MASTER");
              //EZ->dbenv->set_errpfx(buf);
              log("DB_EVENT_REP_MASTER.");
              break;
         case DB_EVENT_REP_NEWMASTER:
              log("DB_EVENT_REP_NEWMASTER.");
              app->in_client_sync = 1;
              break;
         case DB_EVENT_REP_PERM_FAILED:
              // Did not get enough acks to guarantee transaction
              // durability based on the configured ack policy. This
              // transaction will be flushed to the master site's
              // local disk storage for durability.
              log("DB_EVENT_REP_PERM_FAILED.");
              log("Insufficient acknowledgements to guarantee transaction durability.");
              break;
         case DB_EVENT_REP_STARTUPDONE:
              app->in_client_sync = 0;
              log("DB_EVENT_REP_STARTUPDONE.");
              break;
         case DB_EVENT_REP_ELECTION_FAILED:
              log("DB_EVENT_REP_ELECTION_FAILED.");
              //g_runner->init(g_config);
              printf("Kill me !!\n");
              kill(getpid(),-9);
              exit(0);
              break;
         case DB_EVENT_REP_DUPMASTER:
              log("DB_EVENT_REP_DUPMASTER.");
              break;
         default:
              dbenv->errx("ignoring event %d", which);
    void RepQuoteExample::print_stocks_size(Db *dbp) {
         DB_BTREE_STAT *statp;
    dbp->stat(NULL, &statp, 0);
         log("db_stat");
    cout << "***************************************** >>>>>>>>>>> : database contains " << (u_long)statp->bt_ndata << " records\n";
    void RepQuoteExample::print_env(DbEnv *dbenv) {
         dbenv->stat_print(DB_STAT_ALL);
    void RepQuoteExample::print_stocks(Db *dbp) {
         StringDbt key, data;
    #define     MAXKEYSIZE     10
    #define     MAXDATASIZE     20
         char keybuf[MAXKEYSIZE + 1], databuf[MAXDATASIZE + 1];
         char kbuf, dbuf;
         memset(&key, 0, sizeof(key));
         memset(&data, 0, sizeof(data));
         kbuf = keybuf;
         dbuf = databuf;
         DbcAuto dbc(dbp, 0, 0);
         cout << "\tSymbol\tPrice" << endl
              << "\t======\t=====" << endl;
    int no_records =0;
         for (int ret = dbc->get(&key, &data, DB_FIRST);
              ret == 0;
              ret = dbc->get(&key, &data, DB_NEXT)) {
              key.get_string(&kbuf, MAXKEYSIZE);
              data.get_string(&dbuf, MAXDATASIZE);
    no_records++;
              cout << "\t" << keybuf << "\t" << databuf << endl;
    cout << "********************** NO Records " << no_records << endl;
         cout << endl << flush;
         dbc.close();
    static void usage() {
         cerr << "usage: " << progname << " -h home -l host:port [-CM]"
         << "[-r host:port][-R host:port]" << endl
         << " [-a all|quorum][-b][-n nsites][-p priority][-v]" << endl;
         cerr << "\t -h home (required; h stands for home directory)" << endl
         << "\t -l host:port (required; l stands for local)" << endl
         << "\t -C or -M (optional; start up as client or master)" << endl
         << "\t -r host:port (optional; r stands for remote; any "
         << "number of these" << endl
         << "\t may be specified)" << endl
         << "\t -R host:port (optional; R stands for remote peer; only "
         << "one of" << endl
         << "\t these may be specified)" << endl
         << "\t -a all|quorum (optional; a stands for ack policy)" << endl
         << "\t -b (optional; b stands for bulk)" << endl
         << "\t -n nsites (optional; number of sites in replication "
         << "group; defaults " << endl
         << "\t     to 0 to try to dynamically compute nsites)" << endl
         << "\t -p priority (optional; defaults to 100)" << endl
         << "\t -v (optional; v stands for verbose)" << endl;
         exit(EXIT_FAILURE);
    int main(int argc, char **argv) {
         RepConfigInfo config;
         char ch, portstr, tmphost;
         int tmpport;
         bool tmppeer;
         config.no_dummy_wr = false;
         // Extract the command line parameters
         while ((ch = getopt(argc, argv, "E:a:bCh:l:Mn:p:R:r:vw")) != EOF) {
              tmppeer = false;
              switch (ch) {
              case 'a':
                   if (strncmp(optarg, "all", 3) == 0)
                        config.ack_policy = DB_REPMGR_ACKS_ALL;
                   else if (strncmp(optarg, "quorum", 6) != 0)
                        usage();
                   break;
              case 'b':
                   config.bulk = true;
                   break;
              case 'C':
                   config.start_policy = DB_REP_CLIENT;
                   break;
              case 'E':
    config.start_policy = DB_REP_ELECTION;
    break;
              case 'h':
                   config.home = optarg;
                   break;
              case 'l':
                   config.this_host.host = strtok(optarg, ":");
                   if ((portstr = strtok(NULL, ":")) == NULL) {
                        cerr << "Bad host specification." << endl;
                        usage();
                   config.this_host.port = (unsigned short)atoi(portstr);
                   config.got_listen_address = true;
                   break;
              case 'M':
                   config.start_policy = DB_REP_MASTER;
                   break;
              case 'n':
                   config.totalsites = atoi(optarg);
                   break;
              case 'p':
                   config.priority = atoi(optarg);
                   break;
              case 'R':
                   tmppeer = true; // FALLTHROUGH
              case 'r':
                   tmphost = strtok(optarg, ":");
                   if ((portstr = strtok(NULL, ":")) == NULL) {
                        cerr << "Bad host specification." << endl;
                        usage();
                   tmpport = (unsigned short)atoi(portstr);
                   config.addOtherHost(tmphost, tmpport, tmppeer);
                   break;
              case 'v':
                   config.verbose = true;
                   break;
              case 'w':
                   config.no_dummy_wr = true;
                   //config.priority = 2;
                   break;
              case '?':
              default:
                   usage();
         // Error check command line.
         if ((!config.got_listen_address) || config.home == NULL)
              usage();
         RepQuoteExample runner;
         g_runner=&runner;
         g_config=&config;
         try {
              runner.init(&config);
              runner.doloop();
         } catch (DbException dbe) {
              cerr << "Caught an exception during initialization or"
                   << " processing: " << dbe.what() << endl;
         runner.terminate();
         return 0;
    // This is a very simple thread that performs checkpoints at a fixed
    // time interval. For a master site, the time interval is one minute
    // plus the duration of the checkpoint_delay timeout (30 seconds by
    // default.) For a client site, the time interval is one minute.
    void checkpoint_thread(void args)
         DbEnv *env;
         APP_DATA *app;
         int i, ret;
         env = (DbEnv *)args;
         app = (APP_DATA *)env->get_app_private();
         for (;;) {
              // Wait for one minute, polling once per second to see if
              // application has finished. When application has finished,
              // terminate this thread.
              for (i = 0; i < 60; i++) {
                   sleep(1);
                   if (app->app_finished == 1)
                        return ((void *)EXIT_SUCCESS);
              // Perform a checkpoint.
              // original line
              if ((ret = env->txn_checkpoint(0, 0, 0)) != 0) {
              //if ((ret = env->txn_checkpoint(0, 0, DB_FORCE)) != 0) {
                   env->err(ret, "Could not perform checkpoint.\n");
                   return ((void *)EXIT_FAILURE);
    // This is a simple log archive thread. Once per minute, it removes all but
    // the most recent 3 logs that are safe to remove according to a call to
    // DBENV->log_archive().
    // Log cleanup is needed to conserve disk space, but aggressive log cleanup
    // can cause more frequent client initializations if a client lags too far
    // behind the current master. This can happen in the event of a slow client,
    // a network partition, or a new master that has not kept as many logs as the
    // previous master.
    // The approach in this routine balances the need to mitigate against a
    // lagging client by keeping a few more of the most recent unneeded logs
    // with the need to conserve disk space by regularly cleaning up log files.
    // Use of automatic log removal (DBENV->log_set_config() DB_LOG_AUTO_REMOVE
    // flag) is not recommended for replication due to the risk of frequent
    // client initializations.
    void log_archive_thread(void args)
         DbEnv *env;
         APP_DATA *app;
         char **begin, **list;
         int i, listlen, logs_to_keep, minlog, ret;
         env = (DbEnv *)args;
         app = (APP_DATA *)env->get_app_private();
         logs_to_keep = 3;
         for (;;) {
              // Wait for one minute, polling once per second to see if
              // application has finished. When application has finished,
              // terminate this thread.
              for (i = 0; i < 60; i++) {
                   sleep(1);
                   if (app->app_finished == 1)
                        return ((void *)EXIT_SUCCESS);
              // Get the list of unneeded log files.
              if ((ret = env->log_archive(&list, DB_ARCH_ABS)) != 0) {
                   env->err(ret, "Could not get log archive list.");
                   return ((void *)EXIT_FAILURE);
              if (list != NULL) {
                   listlen = 0;
                   // Get the number of logs in the list.
                   for (begin = list; *begin != NULL; begin++, listlen++);
                   // Remove all but the logs_to_keep most recent
                   // unneeded log files.
                   minlog = listlen - logs_to_keep;
                   for (begin = list, i= 0; i < minlog; list++, i++) {
                        if ((ret = unlink(*list)) != 0) {
                             env->err(ret,
                             "logclean: remove %s", *list);
                             env->errx(
                             "logclean: Error remove %s", *list);
                             free(begin);
                             return ((void *)EXIT_FAILURE);
                   free(begin);
    #define DATABASE_DUMMY "dummy.db"
    void create_dummy_db(DB_ENV env, DB *dbp)
    DB_ENV *dbenv=env;
    int ret;
    u_int32_t db_flags;
    if ((ret = db_create(dbp, dbenv, 0)) != 0)
    dbenv->err(dbenv, ret, "create_dummy_db: db_create");
    db_flags = DB_AUTO_COMMIT | DB_CREATE;
    //if ((ret = (*dbp)->open(*dbp,NULL, DATABASE, NULL, DB_BTREE, db_flags, 0)) != 0)
    if ((ret = (*dbp)->open(*dbp,NULL, NULL, DATABASE_DUMMY, DB_BTREE, db_flags, 0)) != 0)
    dbenv->err(dbenv, ret, "create_dummy_db: DB->open");
    void reopen_dummy_db(DB_ENV env, DB *dbp)
    DB_ENV *dbenv=env;
    int ret;
    u_int32_t db_flags;
    if ((ret = db_create(dbp, dbenv, 0)) != 0)
    dbenv->err(dbenv, ret, "create_dummy_db: db_create");
    db_flags = DB_AUTO_COMMIT | DB_CREATE;
    //if ((ret = (*dbp)->open(*dbp,NULL, DATABASE, NULL, DB_BTREE, db_flags, 0)) != 0)
    if ((ret = (*dbp)->open(*dbp,NULL, NULL, DATABASE_DUMMY, DB_BTREE, db_flags, 0)) != 0)
    dbenv->err(dbenv, ret, "reopen_dummy_db: DB->open");
    void perform_db_operation(DB_ENV env, DB *dbp, bool bRead)
    //main loop
    //DB *dbp=NULL;
    DB_ENV *dbenv=env;
    int ret;
    u_int32_t db_flags;
    DBT key, data;
    char buf[20]="dummy", *rbuf;
    rbuf=buf;
    if (*dbp == NULL)
    create_dummy_db(dbenv, dbp);
    if (! bRead)
         memset(&key, 0, sizeof(key));
         memset(&data, 0, sizeof(data));
         key.data = buf;
         key.size = (u_int32_t)strlen(buf);
         data.data = rbuf;
         data.size = (u_int32_t)strlen(rbuf);
         if ((ret = (*dbp)->put(*dbp, NULL, &key, &data, 0)) != 0)
              if (ret == DB_REP_HANDLE_DEAD)
                   //create_dummy_db(dbenv, dbp);
                   reopen_dummy_db(dbenv, dbp);
                   (*dbp)->err(*dbp, ret, "DB->put :");
              else
              if (ret != DB_KEYEXIST)
                   (*dbp)->err(*dbp, ret, "perform_db_operation: DB->put");
         else
              DB_BTREE_STAT *statp;
              (*dbp)->stat(*dbp,NULL, &statp, 0);
              std::cout<<"dbp read stats: key#"<< statp->bt_nkeys <<std::endl;
    void dummy_write_thread(void args)
         DbEnv *env;
         APP_DATA *app;
         char **begin, **list;
         int i, listlen, logs_to_keep, minlog, ret;
         DB *m_dbp; // a pointer
         env = (DbEnv *)args;
         app = (APP_DATA *)env->get_app_private();
         logs_to_keep = 3;
         for (;;) {
              if (! app->no_dummy_wr)
                   if (app->is_master)
                   perform_db_operation(env->get_DB_ENV(),&m_dbp,false);
                        //env->txn_checkpoint(0, 0, DB_FORCE);
              usleep(1 * 1000 * 1000);
              else
                   if (app->is_master)
                        //DB *db_quote=g_repquote->get_DB();
                        //perform_db_operation(env->get_DB_ENV(),&db_quote,true);
                        //if (g_repquote)
                        //     g_runner->print_stocks_size(g_repquote);
                        //env->txn_checkpoint(0, 0, DB_FORCE);
                        //perform_db_operation(env->get_DB_ENV(),&m_dbp,false);
                        env->rep_flush();
              usleep(4 * 1000 * 1000);
    my script to simulate the split brain
    #!/bin/sh
    [ -z "$node1" ] && node1=10.10.32.121
    [ -z "$node2" ] && node2=10.10.32.91
    trap myend 0 1 2 3 6 9 14 15
    myend()
         echo "Receive signal to stop test..."
         un_split_brain
         echo "done"
         exit 1
    split_brain()
         echo -n "Split-Brain at node $node..."
         snmpset -m ALL -v 2c -c svil 10.10.0.100 ifAdminStatus.41 i 2 >/dev/null 2>&1
         echo "done"
    un_split_brain()
         echo -n "Undo Split-Brain at node $node..."
         snmpset -m ALL -v 2c -c svil 10.10.0.100 ifAdminStatus.41 i 1 >/dev/null 2>&1
         echo "done"
    is_slave()
         local r=$(ssh root@$1 "tail -2 /tmp/BDB.log" | grep -c CLIENT)
         [ $r -gt 1 ] && ret=1 || ret=0
         return $ret
    is_master()
         local r=$(ssh root@$1 "tail -2 /tmp/BDB.log" | grep -c MASTER)
         [ $r -gt 1 ] && ret=1 || ret=0
         return $ret
    wait_for_master()
         echo -n "Waiting for MASTER at node $node ... "
         is_master $node
         r=$?
         while ( [ ! $r -eq 1 ] )
         do
         usleep 500000
         is_master $node
         r=$?
         echo -n "."
         done
         echo "done"
    wait_for_slave()
         local r
         local tm
         tm=0
         echo -n "Waiting for SLAVE at node $node ... "
         is_slave $node
         r=$?
         while ( [ ! $r -eq 1 ] )
         do
              usleep 500000
              is_slave $node
              r=$?
              echo -n "."
              tm=$((tm+1))
              [ $tm -gt 120 ] && break
         done
         [ $tm -gt 120 ] && ret=0 || ret=1
         echo "done"
         return $ret
    run_test_split_brain()
         local nt
         nt=1
         nfails=0
         x=4
         [ -z "$1" ] && node=$node2
         while ((1))
         do
              printf "*************** TEST [%02d] ********************\n" $nt
              split_brain
              wait_for_master
              x=$((RANDOM%9))
              echo -n " waiting $x sec ..."
              sleep $x
              echo "done"
              un_split_brain
              wait_for_slave
              r=$?
              [ ! $r -eq 1 ] && echo "`date` - test [$nt] - fails ..." || echo "`date` - test [$nt] - OK ."
              [ ! $r -eq 1 ] && nfails=$((nfails+1))
              perc_failure=$(echo "100.0 - $nfails / $nt * 100.0" | bc -l)
              echo "************************************************ [% Success test $perc_failure % ]"
              nt=$((nt+1))
              x=$((RANDOM%9))
              echo -n " waiting $x sec ..."
              sleep $x
         done
    run_test_split_brain
    here is the makefile to run to two environments
    i run:
    - make run
    and in another window sh test_split_brain.sh
    node1?=10.10.32.121
    node2?=10.10.32.91
    nsite?=2
    debug?=0
    all: RepQuoteExampleEric install
    RepConfigInfo.o: RepConfigInfo.cpp RepConfigInfo.h
         g++ -I/usr/local/BerkeleyDB.5.1/include/ -g -O0 -c RepConfigInfo.cpp -o RepConfigInfo.o
    RepQuoteExampleEric: RepQuoteExampleEric.cpp RepConfigInfo.o
         g++ -I/usr/local/BerkeleyDB.5.1/include/ -g -O0 RepQuoteExampleEric.cpp RepConfigInfo.o -o RepQuoteExampleEric -L /usr/local/BerkeleyDB.5.1/lib/ -lreadline -lcurses -ldb_cxx
    kill:
         -ssh -X root@$(node1) "killall -9 /root/RepQuoteExampleEric"
         -ssh -X root@$(node2) "killall -9 /root/RepQuoteExampleEric"
    run: RepQuoteExampleEric kill install clean_env
         ssh -X root@$(node1) "xterm -geom 100x20+100+100 -e \"LD_LIBRARY_PATH=/usr/local/BerkeleyDB.5.1/lib/ /root/RepQuoteExampleEric -h /opt/bdb/ -l 2.0.0.110:12345 -r 2.0.0.210:12345 -a quorum -b -n $(nsite) -v | tee /tmp/BDB.log\"" &
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