SmartPDCode/ip/src/paras.c

#include "paras.h"
#include <stdlib.h>
#include <stdio.h>
#include "sys.h"


//#define LOG log_print
#define LOG printf


AllParasInfo allParas;
////////////////////////////////////////////////////////////
static int file_length(char* path)
{
    int r;
    struct stat st;

    r = stat(path, &st);
    if (r) {
        return -1;
    }

    return st.st_size;
}

static int file_save(char *path, void *buf, int len)
{
    int r;
    FILE *fp;
    
    fp = fopen(path, "wb");
    if(!fp) {
        LOG("file_save, fopen %s failed, %d, %d\n", path);
        return -1;
    }
    r = fwrite(buf, 1, len, fp);
    if(r!=len) {
        LOG("file_save %s failed, %d, %d\n", path, r, len);
        r = -1;
    }
    else {
        r = 0;
    }
    fclose(fp);

    return r;
}
static int file_load(char* path, void* buf, int len)
{
    int r;
    FILE* fp;

    fp = fopen(path, "rb");
    if (!fp) {
        LOG("file_load, fopen %s failed, %d, %d\n", path);
        return -1;
    }
    r = fread(buf, 1, len, fp);
    if (r != len) {
        LOG("file_load %s failed, %d, %d\n", path, r, len);
        r = -1;
    }
    else {
        r = 0;
    }
    fclose(fp);

    return r;
}
static int file_remove(char *path)
{
    return remove(path);
}

static int do_check(AllParasInfo *paras)
{
    int i,j;
    

    return 0;
}
///////////////////////////////////////////////////////
int paras_load(void)
{
    int i,r=-1;
    int flen,rlen;
    char path[PATH_MAX];
    NetworkInfo_t *p=&allParas.dev._network_info;

    allParas = DFLT_PARAS;
    sys_get_path(path, PARAS_FILE);

 #if 1   
    flen = file_length(path);
    if(flen==sizeof(allParas)) {
        rlen = file_load(path, &allParas, flen);
        if(rlen==flen) {
            r = do_check(&allParas);
            if(r) {
                allParas = DFLT_PARAS;
            }
        }
    }
#endif

    if(r) {
        paras_save();
        //sys_set_net(p, IP_V4);
    }
    else {
        sys_get_net(p, IP_V4);
    }
    
    return r;
}


int paras_save(void)
{
    int r,flen;
    char path[PATH_MAX];
    AllParasInfo *p;
    
    r = do_check(&allParas);
    if(r) {
        return -1;
    }
    sys_get_path(path, PARAS_FILE);
    flen = file_length(path);

    if(flen==sizeof(allParas)) {
        p = malloc(sizeof(allParas));
        if(p) {
            file_load(path, p, flen);
            if(memcmp(p, &allParas, sizeof(allParas))==0) {
                free(p); return -1;
            }
            free(p);
        }
    }
    
    return file_save(path, &allParas, sizeof(allParas));
}


int paras_reset(void)
{
    allParas = DFLT_PARAS;
    return paras_save();
}


AllParasInfo* paras_get(void)
{
    return &allParas;
}


int paras_power_set(int saddr, GlobalPowerManger *pm)
{
    int i,j;
    RelayPowerInfo *rp=&allParas.relay.ch[saddr];

    if(pm) rp->pwr[pm->product_ch_id] = *pm;
    rp->inited = 1;

    return 0;
}

int paras_power_get(int addr, int saddr, GlobalPowerManger *pm)
{
    int i,j;
    RelayPowerInfo *rp=&allParas.relay.ch[saddr];

    if(rp->inited==0) {
        return -1;
    }
    if(pm) rp->pwr[saddr] = *pm;

    return 0;
}