path: root/util/openticket.c

/* $Id$ */
/* 開獎的 utility */
#define _UTIL_C_
#include "bbs.h"

static char *betname[8] = {"Ptt", "Jaky",  "Action",  "Heat",
               "DUNK", "Jungo", "waiting", "wofe"};

#define MAX_DES 7       /* 最大保留獎數 */

int Link(const char *src, const char *dst)
{
    char cmd[200];

    if (link(src, dst) == 0)
    return 0;

    sprintf(cmd, "/bin/cp -R %s %s", src, dst);
    return system(cmd);
}

int main(int argc, char **argv)
{
    int money, bet, n, total = 0, ticket[8] =
    {0, 0, 0, 0, 0, 0, 0, 0};
    FILE *fp;
    time4_t now = (time4_t)time(NULL);
    char des[MAX_DES][200] =
    {"", "", "", ""};

    nice(10);
    attach_SHM();
    if(passwd_init())
    exit(1);
    
    rename(BBSHOME "/etc/" FN_TICKET_RECORD,
           BBSHOME "/etc/" FN_TICKET_RECORD ".tmp");
    rename(BBSHOME "/etc/" FN_TICKET_USER,
           BBSHOME "/etc/" FN_TICKET_USER ".tmp");

    if (!(fp = fopen(BBSHOME "/etc/"FN_TICKET_RECORD ".tmp", "r")))
    return 0;
    fscanf(fp, "%9d %9d %9d %9d %9d %9d %9d %9d\n",
       &ticket[0], &ticket[1], &ticket[2], &ticket[3],
       &ticket[4], &ticket[5], &ticket[6], &ticket[7]);
    for (n = 0; n < 8; n++)
    total += ticket[n];
    fclose(fp);

    if (!total)
    return 0;

    if((fp = fopen(BBSHOME "/etc/" FN_TICKET , "r")))
    {
    for (n = 0; n < MAX_DES && fgets(des[n], 200, fp); n++) ;
    fclose(fp);
    }

    /* 現在開獎號碼並沒用到 random function.
     * 小站的 UTMPnumber 可視為定值, 且 UTMPnumber 預設一秒才更新一次
     * 開站一段時間的開獎 pid 應該無法預測.
     * 若是小站當站開獎前開站, 則有被猜中的可能 */
    attach_SHM();
    bet = (SHM->UTMPnumber+getpid()) % 8;



    money = ticket[bet] ? total * 95 / ticket[bet] : 9999999;

    if((fp = fopen(BBSHOME "/etc/" FN_TICKET, "w")))
    {
    if (des[MAX_DES - 1][0])
        n = 1;
    else
        n = 0;

    for (; n < MAX_DES && des[n][0] != 0; n++)
    {
        fprintf(fp, des[n]);
    }

    printf("\n\n開獎時間： %s \n\n"
           "開獎結果： %s \n\n"
           "下注總金額： %d00 元 \n"
           "中獎比例： %d張/%d張  (%f)\n"
           "每張中獎彩票可得 %d 枚Ｐ幣 \n\n",
           Cdatelite(&now), betname[bet], total, ticket[bet], total,
           (float) ticket[bet] / total, money);

    fprintf(fp, "%s 賭盤開出:%s 總金額:%d00 元 獎金/張:%d 元 機率:%1.2f\n",
        Cdatelite(&now), betname[bet], total, money,
        (float) ticket[bet] / total);
    fclose(fp);

    }

    if (ticket[bet] && (fp = fopen(BBSHOME "/etc/" FN_TICKET_USER ".tmp", "r")))
    {
    int mybet, num, uid;
    char userid[20], genbuf[200];
    fileheader_t mymail;

    while (fscanf(fp, "%s %d %d\n", userid, &mybet, &num) != EOF)
    {
        if (mybet == bet)
        {
        printf("恭喜 %-15s買了%9d 張 %s, 獲得 %d 枚Ｐ幣\n"
               ,userid, num, betname[mybet], money * num);
                if((uid=searchuser(userid, userid))==0) continue;
        deumoney(uid, money * num);
        sprintf(genbuf, BBSHOME "/home/%c/%s", userid[0], userid);
        stampfile(genbuf, &mymail);
        strcpy(mymail.owner, BBSNAME);
        sprintf(mymail.title, "[%s] 中獎囉! $ %d", Cdatelite(&now), money * num);
        unlink(genbuf);
        Link(BBSHOME "/etc/ticket", genbuf);
        sprintf(genbuf, BBSHOME "/home/%c/%s/.DIR", userid[0], userid);
        append_record(genbuf, &mymail, sizeof(mymail));
        }
    }
    }
    unlink(BBSHOME "/etc/" FN_TICKET_RECORD ".tmp");
    unlink(BBSHOME "/etc/" FN_TICKET_USER ".tmp");
    return 0;
}