CBestPractice_Steps 用于阶段性处理各流程的状态维护与统一管理

CBestPractice_steps.c

#include <string.h>
#include "step.h"
#include "step_imp.h"

void init_context(char* CONTEXT_FILE_PATH, struct desc_set* set)
{
    FILE *fp;
    char buff[1024];
    char* line;
    struct status_step_context * context = set->context;
    const struct status_step_desc * descs = set->descs;
    const int STEP_SIZE = set->size;

    fp = fopen(CONTEXT_FILE_PATH, "r");
    if(fp){
        while((line=fgets(buff,sizeof(buff),fp))){
            char name[1024];
            int status;
            if(EOF!=sscanf(line,"%s %d",name,&status)){
                printf("Read: %s %d\n", name, status);
                int i;
                for(i=0;i<STEP_SIZE;i++){
                    if(0==strcmp(name, descs[i].name)){
                        (descs+i)->load(buff, status, context, descs+i);
                        break;
                    }
                }
            }
        }
        fclose(fp);
    }else{
        //CAN NOT find
        printf("Can NOT find %s\n",CONTEXT_FILE_PATH);
    }
}

void process_steps(char* CONTEXT_FILE_PATH, struct desc_set* set)
{
    FILE *fp;
    struct status_step_context * context = set->context;
    const struct status_step_desc * descs = set->descs;
    const int STEP_SIZE = set->size;

    printf("Open %s with append mode\n", CONTEXT_FILE_PATH);
    fp = fopen(CONTEXT_FILE_PATH, "a");
    if(fp){
        int i;
        for(i=0;i<STEP_SIZE;i++){
            (descs+i)->process(fp, context, descs+i);
        }
        printf("Close %s\n", CONTEXT_FILE_PATH);
        fclose(fp);
    }else{
        //CAN NOT find
        printf("Can NOT append %s\n",CONTEXT_FILE_PATH);
    }
}

CBestPractice_steps.h

#ifndef STEP
#define STEP 1


#include <stdio.h>

enum STATUS_STEP_RETURN_VALUE {ERROR, SUCCESS, FINISH};


enum STEP_VALUE {STEP_BASE, STEP_DOWNLOAD, STEP_RUN, STEP_SUBMIT};
struct status_step_context{
    enum STEP_VALUE step;
};

struct status_step_desc {
    const char* name;
    enum STATUS_STEP_RETURN_VALUE (*load)(char* buff,int status, struct status_step_context * context, const struct status_step_desc * desc);
    enum STATUS_STEP_RETURN_VALUE (*process)(FILE* output, struct status_step_context * context, const struct status_step_desc * desc);
};

struct desc_set {
    int size;
    const struct status_step_desc* descs;
    struct status_step_context* context;
};


extern void init_context(char* filename, struct desc_set* set);
extern void process_steps(char* filename, struct desc_set* set);

#endif //STEP