homework-jianmu/source/util/src/tstep.c

85 lines
2.2 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define _DEFAULT_SOURCE
#include "os.h"
#include "tulog.h"
#include "tstep.h"
SSteps *taosStepInit(int32_t maxsize) {
SSteps *steps = calloc(1, sizeof(SSteps));
if (steps == NULL) return NULL;
steps->maxsize = maxsize;
steps->cursize = 0;
steps->steps = calloc(maxsize, sizeof(SStepObj));
return steps;
}
int32_t taosStepAdd(SSteps *steps, SStepObj *step) {
if (steps == NULL) return - 1;
if (steps->cursize >= steps->maxsize) {
uError("failed to add step since up to the maxsize");
return -1;
}
steps->steps[steps->cursize++] = *step;
return 0;
}
static void taosStepCleanupImp(SSteps *steps, int32_t pos) {
for (int32_t s = pos; s >= 0; s--) {
SStepObj *step = steps->steps + s;
uDebug("step:%s will cleanup", step->name);
if (step->cleanupFp != NULL) {
(*step->cleanupFp)(step->self);
}
}
}
int32_t taosStepExec(SSteps *steps) {
if (steps == NULL) return -1;
for (int32_t s = 0; s < steps->cursize; s++) {
SStepObj *step = steps->steps + s;
if (step->initFp == NULL) continue;
if (step->reportFp != NULL) {
(*step->reportFp)(step->parent, step->name, "start initialize");
}
int32_t code = (*step->initFp)(step->parent, step->self);
if (code != 0) {
uDebug("step:%s will cleanup", step->name);
taosStepCleanupImp(steps, s);
return code;
}
uInfo("step:%s is initialized", step->name);
if (step->reportFp != NULL) {
(*step->reportFp)(step->parent, step->name, "initialize completed");
}
}
return 0;
}
void taosStepCleanup(SSteps *steps) {
if (steps == NULL) return;
taosStepCleanupImp(steps, steps->cursize - 1);
}