void MainWindow::run() { //ui->lcdNumber->display(c); c++; CheckConn(); if(start == true){ if(b->CheckRun()){ SpeedPlotDisplay(); OrientationView(); LcdDisplay(); RouteCalculate(); } ///Sprawdzanie stanu algorytmu if(b->CheckRun() == false){ if(b->onTarget == true) { LcdDisplay(); ui->pushButtonStart->setDisabled(false); } start = false; } } }
/** * @brief Lock the line of the Handle table with inode & devid defined in p_info * * @param p_conn * Database connection * @param p_info * Information about the file * * @return ERR_FSAL_POSIXDB_NOERR if no error, * another error code else. */ fsal_posixdb_status_t fsal_posixdb_lockHandleForUpdate(fsal_posixdb_conn * p_conn, /* IN */ fsal_posixdb_fileinfo_t * p_info /* IN */ ) { PGresult *p_res; char devid_str[MAX_DEVICEIDSTR_SIZE]; char inode_str[MAX_INODESTR_SIZE]; const char *paramValues[2]; CheckConn(p_conn); BeginTransaction(p_conn, p_res); snprintf(devid_str, MAX_DEVICEIDSTR_SIZE, "%lli", (long long int)p_info->devid); snprintf(inode_str, MAX_INODESTR_SIZE, "%lli", (long long int)p_info->inode); paramValues[0] = devid_str; paramValues[1] = inode_str; p_res = PQexecPrepared(p_conn, "lookupHandleByInodeFU", 2, paramValues, NULL, NULL, 0); CheckResult(p_res); PQclear(p_res); /* Do not end the transaction, because it will be closed by the next call to a posixdb function */ ReturnCodeDB(ERR_FSAL_POSIXDB_NOERR, 0); }
int ZookeeperClient::Connect(const std::string& servers, const ZKOptions& options) { if (NULL != m_zk) { zookeeper_close(m_zk); m_zk = NULL; } m_zk = zookeeper_init(servers.c_str(), ZookeeperClient::WatchCallback, options.recv_timeout, &options.clientid, this, 0); if (NULL == m_zk) { ERROR_LOG("Failed to init zokkeeper."); return -1; } m_callback = options.cb; CheckConn(); return 0; }
fsal_posixdb_status_t fsal_posixdb_getParentDirHandle(fsal_posixdb_conn * p_conn, /* IN */ posixfsal_handle_t * p_object_handle, /* IN */ posixfsal_handle_t * p_parent_directory_handle /* OUT */ ) { PGresult *p_res; char handleid_str[MAX_HANDLEIDSTR_SIZE]; char handlets_str[MAX_HANDLETSSTR_SIZE]; const char *paramValues[2] = { handleid_str, handlets_str }; /* sanity check */ if(!p_conn || !p_parent_directory_handle || !p_object_handle) CheckConn(p_conn); /* no need to start a transaction, there is anly one query */ snprintf(handleid_str, MAX_HANDLEIDSTR_SIZE, "%lli", p_object_handle->data.id); snprintf(handlets_str, MAX_HANDLETSSTR_SIZE, "%i", p_object_handle->data.ts); p_res = PQexecPrepared(p_conn, "lookupPathsExt", 2, paramValues, NULL, NULL, 0); CheckResult(p_res); /* entry not found */ if(!PQntuples(p_res)) { PQclear(p_res); ReturnCodeDB(ERR_FSAL_POSIXDB_NOENT, 0); } LogDebug(COMPONENT_FSAL, "lookupPathsExt"); p_parent_directory_handle->data.id = atoll(PQgetvalue(p_res, 0, 1)); p_parent_directory_handle->data.ts = atoi(PQgetvalue(p_res, 0, 2)); posixdb_internal_fillFileinfoFromStrValues(&(p_parent_directory_handle->data.info), PQgetvalue(p_res, 0, 3), PQgetvalue(p_res, 0, 4), PQgetvalue(p_res, 0, 5), /* nlink */ PQgetvalue(p_res, 0, 6), /* ctime */ PQgetvalue(p_res, 0, 7) /* ftype */ ); PQclear(p_res); ReturnCodeDB(ERR_FSAL_POSIXDB_NOERR, 0); }
fsal_posixdb_status_t fsal_posixdb_add(fsal_posixdb_conn * p_conn, /* IN */ fsal_posixdb_fileinfo_t * p_object_info, /* IN */ posixfsal_handle_t * p_parent_directory_handle, /* IN */ fsal_name_t * p_filename, /* IN */ posixfsal_handle_t * p_object_handle /* OUT */ ) { PGresult *p_res; char handleid_str[MAX_HANDLEIDSTR_SIZE]; char handlets_str[MAX_HANDLETSSTR_SIZE]; char handleidparent_str[MAX_HANDLEIDSTR_SIZE]; char handletsparent_str[MAX_HANDLETSSTR_SIZE]; char devid_str[MAX_DEVICEIDSTR_SIZE]; char inode_str[MAX_INODESTR_SIZE]; int found; const char *paramValues[6]; fsal_posixdb_status_t st; /******************* * 1/ sanity check * *******************/ /* parent_directory and filename are NULL only if it is the root directory */ if(!p_conn || !p_object_info || !p_object_handle || (p_filename && !p_parent_directory_handle) || (!p_filename && p_parent_directory_handle)) ReturnCodeDB(ERR_FSAL_POSIXDB_FAULT, 0); CheckConn(p_conn); LogFullDebug(COMPONENT_FSAL, "adding entry with parentid=%llu, id=%"PRIu64", name=%s\n", p_parent_directory_handle ? p_parent_directory_handle->data.id : 0, p_object_info ? p_object_info->inode : 0, p_filename ? p_filename->name : "NULL"); BeginTransaction(p_conn, p_res); /********************************* * 2/ we check the parent handle * *********************************/ if(p_parent_directory_handle) { /* the root has no parent */ snprintf(handleidparent_str, MAX_HANDLEIDSTR_SIZE, "%llu", p_parent_directory_handle->data.id); snprintf(handletsparent_str, MAX_HANDLETSSTR_SIZE, "%i", p_parent_directory_handle->data.ts); paramValues[0] = handleidparent_str; paramValues[1] = handletsparent_str; p_res = PQexecPrepared(p_conn, "lookupHandle", 2, paramValues, NULL, NULL, 0); CheckResult(p_res); if(PQntuples(p_res) != 1) { /* parent entry not found */ RollbackTransaction(p_conn, p_res); ReturnCodeDB(ERR_FSAL_POSIXDB_NOENT, 0); } PQclear(p_res); } /********************************************************** * 3/ Check if there is an existing Handle for the object * **********************************************************/ snprintf(devid_str, MAX_DEVICEIDSTR_SIZE, "%llu", (unsigned long long int)p_object_info->devid); snprintf(inode_str, MAX_INODESTR_SIZE, "%llu", (unsigned long long int)p_object_info->inode); paramValues[0] = devid_str; paramValues[1] = inode_str; p_res = PQexecPrepared(p_conn, "lookupHandleByInodeFU", 2, paramValues, NULL, NULL, 0); CheckResult(p_res); found = (PQntuples(p_res) == 1); if(found) { /* a Handle (that matches devid & inode) already exists */ /* fill 'info' with information about the handle in the database */ posixdb_internal_fillFileinfoFromStrValues(&(p_object_handle->data.info), NULL, NULL, PQgetvalue(p_res, 0, 2), /* nlink */ PQgetvalue(p_res, 0, 3), /* ctime */ PQgetvalue(p_res, 0, 4) /* ftype */ ); p_object_handle->data.info.inode = p_object_info->inode; p_object_handle->data.info.devid = p_object_info->devid; strncpy(handleid_str, PQgetvalue(p_res, 0, 0), MAX_HANDLEIDSTR_SIZE); strncpy(handlets_str, PQgetvalue(p_res, 0, 1), MAX_HANDLETSSTR_SIZE); PQclear(p_res); p_object_handle->data.id = atoll(handleid_str); p_object_handle->data.ts = atoi(handlets_str); /* check the consistency of the handle */ if(fsal_posixdb_consistency_check(&(p_object_handle->data.info), p_object_info)) { /* consistency check failed */ /* p_object_handle has been filled in order to be able to fix the consistency later */ RollbackTransaction(p_conn, p_res); ReturnCodeDB(ERR_FSAL_POSIXDB_CONSISTENCY, 0); } /* update nlink & ctime if needed */ if(p_object_info->nlink != p_object_handle->data.info.nlink || p_object_info->ctime != p_object_handle->data.info.ctime) { char nlink_str[MAX_NLINKSTR_SIZE]; char ctime_str[MAX_CTIMESTR_SIZE]; snprintf(nlink_str, MAX_NLINKSTR_SIZE, "%i", p_object_info->nlink); snprintf(ctime_str, MAX_CTIMESTR_SIZE, "%i", (int)p_object_info->ctime); paramValues[0] = handleid_str; paramValues[1] = handlets_str; paramValues[2] = nlink_str; paramValues[3] = ctime_str; p_object_handle->data.info = *p_object_info; p_res = PQexecPrepared(p_conn, "updateHandle", 4, paramValues, NULL, NULL, 0); CheckCommand(p_res); } fsal_posixdb_UpdateInodeCache(p_object_handle); } else { /* no handle found */ /* Handle does not exist, add a new Handle entry */ char nlink_str[MAX_NLINKSTR_SIZE]; char ctime_str[MAX_CTIMESTR_SIZE]; char ftype_str[MAX_FTYPESTR_SIZE]; PQclear(p_res); p_object_handle->data.ts = (int)time(NULL); p_object_handle->data.info = *p_object_info; snprintf(handlets_str, MAX_HANDLETSSTR_SIZE, "%i", p_object_handle->data.ts); snprintf(nlink_str, MAX_NLINKSTR_SIZE, "%i", p_object_info->nlink); snprintf(ctime_str, MAX_CTIMESTR_SIZE, "%i", (int)p_object_info->ctime); snprintf(ftype_str, MAX_CTIMESTR_SIZE, "%i", (int)p_object_info->ftype); paramValues[0] = devid_str; paramValues[1] = inode_str; paramValues[2] = handlets_str; paramValues[3] = nlink_str; paramValues[4] = ctime_str; paramValues[5] = ftype_str; p_res = PQexecPrepared(p_conn, "insertHandle", 6, paramValues, NULL, NULL, 0); CheckCommand(p_res); PQclear(p_res); p_res = PQexecPrepared(p_conn, "lookupHandleByInodeFU", 2, paramValues, NULL, NULL, 0); CheckResult(p_res); strncpy(handleid_str, PQgetvalue(p_res, 0, 0), MAX_HANDLEIDSTR_SIZE); strncpy(handlets_str, PQgetvalue(p_res, 0, 1), MAX_HANDLETSSTR_SIZE); p_object_handle->data.id = atoll(PQgetvalue(p_res, 0, 0)); PQclear(p_res); /* now, we have the handle id */ fsal_posixdb_UpdateInodeCache(p_object_handle); } /************************************************ * add (or update) an entry in the Parent table * ************************************************/ paramValues[0] = p_parent_directory_handle ? handleidparent_str : handleid_str; paramValues[1] = p_parent_directory_handle ? handletsparent_str : handlets_str; paramValues[2] = p_filename ? p_filename->name : ""; p_res = PQexecPrepared(p_conn, "lookupParent", 3, paramValues, NULL, NULL, 0); CheckResult(p_res); /* p-res contains handleid & handlets */ found = (PQntuples(p_res) == 1); paramValues[3] = handleid_str; paramValues[4] = handlets_str; if(found) { /* update the Parent entry if necessary (there entry exists with another handle) */ if((fsal_u64_t) atoll(PQgetvalue(p_res, 0, 0)) != p_object_handle->data.id || atoi(PQgetvalue(p_res, 0, 1)) != p_object_handle->data.ts) { /* steps : - check the nlink value of the Parent entry to be overwritten - if nlink = 1, then we can delete the handle. else we have to update it (nlink--) : that is done by fsal_posixdb_deleteParent - update the handle of the entry */ char bad_handleid_str[MAX_HANDLEIDSTR_SIZE]; char bad_handlets_str[MAX_HANDLETSSTR_SIZE]; int nlink; strncpy(bad_handleid_str, PQgetvalue(p_res, 0, 0), MAX_HANDLEIDSTR_SIZE); strncpy(bad_handlets_str, PQgetvalue(p_res, 0, 1), MAX_HANDLETSSTR_SIZE); PQclear(p_res); /* clear old res before a new query */ /* check the nlink value of the entry to be updated */ paramValues[0] = handleidparent_str; paramValues[1] = handletsparent_str; p_res = PQexecPrepared(p_conn, "lookupHandleFU", 2, paramValues, NULL, NULL, 0); CheckResult(p_res); found = (PQntuples(p_res) == 1); if(found) { /* we have retrieved the handle information of the bad entry */ nlink = atoi(PQgetvalue(p_res, 0, 4)); PQclear(p_res); /* clear old res before a new query */ /* a Parent entry already exists, we delete it */ st = fsal_posixdb_deleteParent(p_conn, bad_handleid_str, bad_handlets_str, p_parent_directory_handle ? handleidparent_str : handleid_str, p_parent_directory_handle ? handletsparent_str : handlets_str, p_filename ? p_filename->name : "", nlink); if(FSAL_POSIXDB_IS_ERROR(st)) { RollbackTransaction(p_conn, p_res); return st; } } else { /* the Handle line has been deleted */ PQclear(p_res); /* clear old res before a new query */ } /* the bad entry has been deleted. Now we had a new Parent entry */ goto add_new_parent_entry; } else { /* a Parent entry exists with our handle, nothing to do */ PQclear(p_res); } } else { /* add a Parent entry */ PQclear(p_res); add_new_parent_entry: paramValues[0] = p_parent_directory_handle ? handleidparent_str : handleid_str; paramValues[1] = p_parent_directory_handle ? handletsparent_str : handlets_str; paramValues[2] = p_filename ? p_filename->name : ""; paramValues[3] = handleid_str; paramValues[4] = handlets_str; p_res = PQexecPrepared(p_conn, "insertParent", 5, paramValues, NULL, NULL, 0); CheckCommand(p_res); PQclear(p_res); /* XXX : is it possible to have unique key violation ? */ } EndTransaction(p_conn, p_res); ReturnCodeDB(ERR_FSAL_POSIXDB_NOERR, 0); }
fsal_posixdb_status_t fsal_posixdb_getInfoFromHandle(fsal_posixdb_conn * p_conn, /* IN */ posixfsal_handle_t * p_object_handle, /* IN/OUT */ fsal_path_t * p_paths, /* OUT */ int paths_size, /* IN */ int *p_count /* OUT */ ) { PGresult *p_res; fsal_posixdb_status_t st; char handleid_str[MAX_HANDLEIDSTR_SIZE]; char handlets_str[MAX_HANDLETSSTR_SIZE]; posixfsal_handle_t parent_directory_handle; int i_path; int toomanypaths = 0; const char *paramValues[2] = { handleid_str, handlets_str }; /* sanity check */ if(!p_conn || !p_object_handle || ((!p_paths || !p_count) && paths_size > 0)) { ReturnCodeDB(ERR_FSAL_POSIXDB_FAULT, 0); } CheckConn(p_conn); LogFullDebug(COMPONENT_FSAL, "OBJECT_ID=%lli\n", p_object_handle->data.id); BeginTransaction(p_conn, p_res); /* lookup for the handle of the file */ snprintf(handleid_str, MAX_HANDLEIDSTR_SIZE, "%lli", p_object_handle->data.id); snprintf(handlets_str, MAX_HANDLETSSTR_SIZE, "%i", p_object_handle->data.ts); if(!fsal_posixdb_GetInodeCache(p_object_handle)) { p_res = PQexecPrepared(p_conn, "lookupHandle", 2, paramValues, NULL, NULL, 0); CheckResult(p_res); /* p_res contains : Handle.deviceId, Handle.inode, Handle.nlink, Handle.ctime, Handle.ftype */ LogDebug(COMPONENT_FSAL, "lookupHandle(%u,%u)", (unsigned int)p_object_handle->data.id, (unsigned int)p_object_handle->data.ts); /* entry not found */ if(PQntuples(p_res) != 1) { LogDebug(COMPONENT_FSAL, "lookupHandle=%d entries", PQntuples(p_res)); RollbackTransaction(p_conn, p_res); ReturnCodeDB(ERR_FSAL_POSIXDB_NOENT, 0); } posixdb_internal_fillFileinfoFromStrValues(&(p_object_handle->data.info), PQgetvalue(p_res, 0, 0), PQgetvalue(p_res, 0, 1), PQgetvalue(p_res, 0, 2), /* nlink */ PQgetvalue(p_res, 0, 3), /* ctime */ PQgetvalue(p_res, 0, 4) /* ftype */ ); PQclear(p_res); /* update the inode */ fsal_posixdb_UpdateInodeCache(p_object_handle); } /* Build the paths of the object */ if(p_paths) { /* find all the paths to the object */ p_res = PQexecPrepared(p_conn, "lookupPaths", 2, paramValues, NULL, NULL, 0); CheckResult(p_res); /* p_res contains name, handleidparent, handletsparent */ *p_count = PQntuples(p_res); if(*p_count == 0) { RollbackTransaction(p_conn, p_res); ReturnCodeDB(ERR_FSAL_POSIXDB_NOPATH, 0); } if(*p_count > paths_size) { toomanypaths = 1; LogCrit(COMPONENT_FSAL, "Too many paths found for object %s.%s: found=%u, max=%d", handleid_str, handlets_str, *p_count, paths_size); *p_count = paths_size; } for(i_path = 0; i_path < *p_count; i_path++) { unsigned int tmp_len; /* build the path of the parent directory */ parent_directory_handle.data.id = atoll(PQgetvalue(p_res, i_path, 1)); parent_directory_handle.data.ts = atoi(PQgetvalue(p_res, i_path, 2)); st = fsal_posixdb_buildOnePath(p_conn, &parent_directory_handle, &p_paths[i_path]); if(st.major != ERR_FSAL_POSIXDB_NOERR) { RollbackTransaction(p_conn, p_res); return st; } tmp_len = p_paths[i_path].len; if((tmp_len > 0) && (p_paths[i_path].path[tmp_len - 1] == '/')) { /* then concatenate the name of the file */ /* but not concatenate '/' */ if((tmp_len + strlen(PQgetvalue(p_res, i_path, 0)) >= FSAL_MAX_PATH_LEN)) { RollbackTransaction(p_conn, p_res); ReturnCodeDB(ERR_FSAL_POSIXDB_PATHTOOLONG, 0); } strcpy(&p_paths[i_path].path[tmp_len], PQgetvalue(p_res, i_path, 0)); p_paths[i_path].len += strlen(PQgetvalue(p_res, i_path, 0)); } else { /* then concatenate the name of the file */ if((tmp_len + 1 + strlen(PQgetvalue(p_res, i_path, 0)) >= FSAL_MAX_PATH_LEN)) { RollbackTransaction(p_conn, p_res); ReturnCodeDB(ERR_FSAL_POSIXDB_PATHTOOLONG, 0); } p_paths[i_path].path[tmp_len] = '/'; strcpy(&p_paths[i_path].path[tmp_len + 1], PQgetvalue(p_res, i_path, 0)); p_paths[i_path].len += 1 + strlen(PQgetvalue(p_res, i_path, 0)); } /* insert the object into cache */ fsal_posixdb_CachePath(p_object_handle, &p_paths[i_path]); } PQclear(p_res); } EndTransaction(p_conn, p_res); ReturnCodeDB(toomanypaths ? ERR_FSAL_POSIXDB_TOOMANYPATHS : ERR_FSAL_POSIXDB_NOERR, 0); }
fsal_posixdb_status_t fsal_posixdb_getInfoFromName(fsal_posixdb_conn * p_conn, /* IN */ posixfsal_handle_t * p_parent_directory_handle, /* IN/OUT */ fsal_name_t * p_objectname, /* IN */ fsal_path_t * p_path, /* OUT */ posixfsal_handle_t * p_handle /* OUT */ ) { PGresult *p_res; fsal_posixdb_status_t st; char handleid_str[MAX_HANDLEIDSTR_SIZE]; char handlets_str[MAX_HANDLETSSTR_SIZE]; const char *paramValues[3] = { handleid_str, handlets_str, p_objectname->name }; /* sanity check */ if(!p_conn || !p_handle) { ReturnCodeDB(ERR_FSAL_POSIXDB_FAULT, 0); } CheckConn(p_conn); LogFullDebug(COMPONENT_FSAL, "object_name='%s'\n", p_objectname->name); BeginTransaction(p_conn, p_res); /* lookup for the handle of the file */ if(p_parent_directory_handle && p_parent_directory_handle->data.id) { snprintf(handleid_str, MAX_HANDLEIDSTR_SIZE, "%lli", p_parent_directory_handle->data.id); snprintf(handlets_str, MAX_HANDLETSSTR_SIZE, "%i", p_parent_directory_handle->data.ts); p_res = PQexecPrepared(p_conn, "lookupHandleByName", 3, paramValues, NULL, NULL, 0); CheckResult(p_res); } else { // get root handle : p_res = PQexecPrepared(p_conn, "lookupRootHandle", 0, NULL, NULL, NULL, 0); CheckResult(p_res); } /* p_res contains : Parent.handleid, Parent.handlets, Handle.deviceId, Handle.inode, Handle.nlink, Handle.ctime, Handle.ftype */ /* entry not found */ if(PQntuples(p_res) != 1) { PQclear(p_res); RollbackTransaction(p_conn, p_res); ReturnCodeDB(ERR_FSAL_POSIXDB_NOENT, 0); } p_handle->data.id = atoll(PQgetvalue(p_res, 0, 0)); p_handle->data.ts = atoi(PQgetvalue(p_res, 0, 1)); posixdb_internal_fillFileinfoFromStrValues(&(p_handle->data.info), PQgetvalue(p_res, 0, 2), PQgetvalue(p_res, 0, 3), PQgetvalue(p_res, 0, 4), /* nlink */ PQgetvalue(p_res, 0, 5), /* ctime */ PQgetvalue(p_res, 0, 6) /* ftype */ ); PQclear(p_res); /* Build the path of the object */ if(p_path && p_objectname) { /* build the path of the Parent */ st = fsal_posixdb_buildOnePath(p_conn, p_parent_directory_handle, p_path); if(st.major != ERR_FSAL_POSIXDB_NOERR) { RollbackTransaction(p_conn, p_res); return st; } /* then concatenate the filename */ if(!(p_path->len + 1 + p_objectname->len < FSAL_MAX_PATH_LEN)) { RollbackTransaction(p_conn, p_res); ReturnCodeDB(ERR_FSAL_POSIXDB_PATHTOOLONG, 0); } p_path->path[p_path->len] = '/'; strcpy(&p_path->path[p_path->len + 1], p_objectname->name); p_path->len += 1 + p_objectname->len; /* add the the path to cache */ fsal_posixdb_CachePath(p_handle, p_path); } else { /* update handle if it was in cache */ fsal_posixdb_UpdateInodeCache(p_handle); } EndTransaction(p_conn, p_res); ReturnCodeDB(ERR_FSAL_POSIXDB_NOERR, 0); }
void ZookeeperClient::Run() { m_timer_task_id = -1; CheckConn(); }