int inode_create (super_block_t *sb, char *pathname, char *type) {
// assert (sb != NULL);
// assert (pathname != NULL);
// assert (sb->free_inodes > 0);
// assume parent exists, and child not exists.
int parent = inode_lookup_parent (sb, pathname);
// assert (parent >= 0);
int child = inode_lookup_full (sb, pathname);
// assert (child < 0);
// parent dir dentry
dir_entry_t dentry;
memset (&dentry, 0, sizeof (dentry));
// chlid dir/reg inode
int inode = inode_allocate (sb);
// assert (inode > 0);
strcpy (sb->inodes[inode].type, type);
sb->inodes[inode].in_use = 1;
// get dirname
char buffer[MAX_FILE_SIZE];
int count = path_explode (pathname, buffer);
char *p = path_get_component (buffer, count - 1);
dentry.inode = inode;
strcpy (dentry.filename, p);
// write to parent
int status = fs_append (sb->fs, parent, &dentry, sizeof (dentry));
return status;
}
int do_append(const char *filename,uint64_t lv,uint32_t ts,char *ptr) {
uint32_t inode,inode_src;
EAT(ptr,filename,lv,'(');
GETU32(inode,ptr);
EAT(ptr,filename,lv,',');
GETU32(inode_src,ptr);
EAT(ptr,filename,lv,')');
return fs_append(ts,inode,inode_src);
}
uint8_t do_append(uint64_t lv,uint32_t ts,char *ptr) {
uint32_t inode,inode_src;
EAT(ptr,lv,'(');
GETU32(inode,ptr);
EAT(ptr,lv,',');
GETU32(inode_src,ptr);
EAT(ptr,lv,')');
return fs_append(ts,inode,inode_src);
}
/* pre: takes in int 'argc' and char** 'argv' command line arguments which
* include:
* -f <file_list>
* -d <dir_list>
* -s <disk size>
* -b <block size>
* post: runs the filesystem simulation program
* return: 0 on sucessful exit, something else on error
*/
int main(int argc, char** argv)
{
int n;
char* line;
char** v;
/* parse args and setup global environment */
parse_args(argc, argv);
/* read input files and initialize filesystem */
init();
/* main command reading loop */
line = (char*)malloc(CMD_LEN * sizeof(char));
bzero((void*)line, CMD_LEN * sizeof(char));
while (1)
{
/* prompt */
printf("%s ", PROMPT);
fflush(stdout);
/* fd 0 is stdin */
if ((n = read(0, line, CMD_LEN)) == -1)
{
perror(argv[0]);
fs_exit();
exit(-1);
}
else if (n == 0)
{
fs_exit();
break;
}
else
{
/* overwrite newline with NULL-byte */
line[n - 1] = '\0';
#ifdef DEBUG
printf("[DEBUG]\tRead line: <%s>\n", line);
fflush(stdout);
#endif
/* use str2vect to break 'line' into a list of whitespace separated
* strings
*/
v = str2vect(line);
/* check for commands and execute the proper function */
if (!strcmp(v[0], "append"))
{
if (v[1] != NULL && v[2] != NULL)
fs_append(v[1], atoi(v[2]));
else
{
printf("usage: append name size\n");
fflush(stdout);
}
}
else if (!strcmp(v[0], "cd"))
{
if (v[1] != NULL)
fs_cd(v[1]);
else
{
printf("usage: cd directory\n");
fflush(stdout);
}
}
else if (!strcmp(v[0], "cd..")) /* just in case this is the intended command */
{
fs_cd("..");
}
else if (!strcmp(v[0], "create"))
{
if (v[1] != NULL)
fs_create(v[1]);
else
{
printf("usage: create name\n");
fflush(stdout);
}
}
else if (!strcmp(v[0], "delete"))
{
if (v[1] != NULL)
fs_delete(v[1]);
else
{
printf("usage: delete name\n");
fflush(stdout);
}
}
else if (!strcmp(v[0], "dir"))
{
fs_dir();
}
else if (!strcmp(v[0], "exit"))
{
/* free the vector immediately and break to exit */
free_vect(v);
break;
}
else if (!strcmp(v[0], "ls"))
{
fs_ls();
}
else if (!strcmp(v[0], "mkdir"))
{
if (v[1] != NULL)
fs_mkdir(v[1]);
else
{
printf("usage: mkdir directory\n");
fflush(stdout);
}
}
else if (!strcmp(v[0], "prdisk"))
{
fs_prdisk();
}
else if (!strcmp(v[0], "prfiles"))
{
fs_prfiles();
}
else if (!strcmp(v[0], "remove"))
{
if (v[1] != NULL && v[2] != NULL)
fs_remove(v[1], atoi(v[2]));
else
{
printf("usage: remove name size\n");
fflush(stdout);
}
}
else
{
printf("%s: command not found: %s\n", argv[0], v[0]);
fflush(stdout);
}
/* free the vector to avoid memory leaks */
free_vect(v);
}
}
free(line);
fs_exit();
return 0;
}
int bbsvote_act(char * info)
{
FILE *fp;
struct votebal currvote, ent;
char buf[STRLEN], buf1[512];
char buf2[1024];
struct ballot uservote;
// struct votelog log;
int aborted = NA, pos;
int i, chkd;
unsigned int j, multiroll = 0;
char board[80];
char posturl[256];
char controlfile[STRLEN];
char *date, *tmp1, *tmp2;
char flagname[STRLEN];
char logname[STRLEN];
int voted_flag; //用户是否投过该项票
int num_voted; //这个是有多少人投过票
int num_of_vote; //这个是开启的投票数
int votenum; //这个是用户选择进行第几个投票
int votevalue = 0;
int procvote;
time_t closedate;
struct stat st;
int now_t=time(0);
if (!loginok)
{
strcpy(info, "匆匆过客不能投票。");
return -1;
}
strsncpy(board, getparm("B"), 32);
if (!*board)
{
strsncpy(board, getparm("board"), 32);
}
votenum = atoi(getparm("votenum"));
procvote = atoi(getparm("procvote"));
modify_mode(u_info, VOTING);
if(!has_post_perm(¤tuser, board) || !HAS_PERM(PERM_VOTE))//去死吧倒霉的全站投票
{
strcpy(info, "您无权在本板内投票。");
return -1;
}
sprintf(controlfile, "vote/%s/%s", board, "control");
num_of_vote = (stat(controlfile, &st) == -1) ? 0 : st.st_size / sizeof (struct votebal);
if (!num_of_vote)
{
strcpy(info, "抱歉, 目前并没有任何投票举行。");
return -2;
}
fp = fopen(controlfile, "r");
if (!fp)//大概不会发生
{
strcpy(info, "系统错误。");
return -256;
}
//从if中提出来的
if (!votenum) //这是投票列表
{
printf ("<card title=\"投票箱 -- %s\">", BBSNAME);
printf ("<p><anchor><go href=\"bbsdoc.wml?board=%s\" />%s板</anchor>投票</p>", board, board);
for (i = 1; i <= num_of_vote; i++)
{
fread(&ent, sizeof (struct votebal), 1, fp);
sprintf(flagname, "vote/%s/flag.%d", board, (int) ent.opendate);
num_voted = (stat(flagname, &st) == -1) ? 0 : st.st_size / sizeof (struct ballot);
closedate = ent.opendate + ent.maxdays * 86400;
//注意，这里的date成了结束时间
w_hsprintf(buf2, "%s", ent.title);//输出标题
printf("<p><anchor><go href=\"bbsvote.wml?board=%s&votenum=%d\" />#%d %s<br />", board, i, i, buf2);
//发起投票者被华丽地无视了！
datestr(buf2, closedate);
//类别也被华丽地无视了！
printf ("结束：%s 参与：%d</anchor></p>", buf2, num_voted);
}
fclose(fp);
return 0;
}
else
{
if (votenum > num_of_vote)
{
strcpy(info, "参数错误。");
return -3;
}
fseek(fp, sizeof (struct votebal) * (votenum - 1), 0);
fread(&currvote, sizeof (struct votebal), 1, fp);
fclose(fp);
sprintf(flagname, "vote/%s/flag.%d", board, (int) currvote.opendate);
num_voted = (stat(flagname, &st) == -1) ? 0 : st.st_size / sizeof (struct ballot);
pos = 0;
fp = fopen(flagname, "r");
voted_flag = NA;
if (fp)
{
for (i = 1; i <= num_voted; i++)
{
fread(&uservote, sizeof (struct ballot), 1, fp);
if (!strcasecmp(uservote.uid, currentuser.userid))
{
voted_flag = YEA;
pos = i;
break;
}
}
fclose(fp);
}
if (!voted_flag)
{
memset(&uservote, 0, sizeof (uservote));
}
if (procvote == 0)
//-------投票权限判断
//没仔细看-_-b
{
if (currentuser.firstlogin > currvote.opendate)
{
strcpy(info, "对不起, 本投票在您帐号申请之前开启，您不能投票。");
return -3;
}
else if (!HAS_PERM(currvote.level & ~(LISTMASK | VOTEMASK)))
{
strcpy(info, "对不起，您目前尚无权在本票箱投票。");
return -4;
}
else if(currvote.level & LISTMASK )
{
char listfilename[STRLEN];
setvfile(listfilename, board, "vote.list");
if(!dashf(listfilename))
{
strcpy(info, "对不起，本票箱需要设定好投票名册方可进行投票。");
return -5;
}
else if(!seek_in_file(listfilename,currentuser.userid))
{
strcpy(info, "对不起, 投票名册上找不到您的大名。");
return -6;
}
}
else if(currvote.level & VOTEMASK )
{
if(currentuser.numlogins < currvote.x_logins || currentuser.numposts < currvote.x_posts ||currentuser.stay < currvote.x_stay * 3600
|| currentuser.firstlogin > currvote.opendate - currvote.x_live * 86400)
{
strcpy(info, "对不起，您目前尚不够资格在本票箱投票。");
return -7;
}
}
closedate = currvote.opendate + currvote.maxdays * 86400;
printf ("<card title=\"投票箱 -- %s\">", BBSNAME);
w_hsprintf (buf2, "%s", currvote.title);
printf("<p>投票主题： %s<br />", buf2);
printf("投票类型： %s<br />", vote_type[currvote.type - 1]);
printf("发起投票： <anchor><go href=\"bbsqry.wml?userid=%s\" />%s</anchor><br />", currvote.userid, currvote.userid);
printf("所在板面： <anchor><go href=\"bbsdoc.wml?board=%s\" />%s</anchor><br />", board, board);
datetime(buf2, closedate);
printf("结束时间： %s<br />", buf2);
if (currvote.type != VOTE_ASKING)
{
printf("最多投票： %d<br />", currvote.maxtkt);
printf("投票说明：<br />");
sprintf(buf, "vote/%s/desc.%d", board, (int) currvote.opendate);
fp = fopen(buf, "r");
if (fp)
{
while (1)
{
if (fgets(buf1, sizeof (buf1), fp) == 0)
{
break;
}
w_hprintf("%s", buf1);
printf ("<br />");
}
fclose(fp);
}
}
printf ("</p>");
//multiroll这种东西没用啦
sprintf (posturl, "bbsvote.wml?board=%s&votenum=%d", board, votenum);
switch (currvote.type)
{
case VOTE_SINGLE:
//单选
j = uservote.voted + (uservote.voted << currvote.totalitems);
chkd = 0;
//这是当前选中的
printf ("<p>选项列表：<br />");
for (i = 0; i < currvote.totalitems; i++)
{
w_hprintf ("选项%d %s", i + 1, currvote.items[i]);
printf ("<br />");
if (j & 1)
{
chkd = i + 1;
}
j >>= 1;
}
printf ("请选择：<select name=\"inp_vote\" value=\"%d\">", chkd);
printf ("<option value=\"0\">未选择</option>");
for (i = 0; i < currvote.totalitems; i++)
{
printf ("<option value=\"%d\">%d</option>", i + 1, i + 1);
}
printf ("</select></p>");
votesug_inp(&uservote);
printf ("<p><anchor><go href=\"%s\" method=\"post\"><postfield name=\"procvote\" value=\"2\" />", posturl);
wmlPostfield("vote");
votesug_pst();
printf ("</go>投票</anchor></p>");
break;
case VOTE_MULTI:
//复选
j = uservote.voted + (uservote.voted << currvote.totalitems);
printf ("<p>选项列表<em>（最多投%d票）</em>：<br />", currvote.maxtkt);
for (i = 0; i < currvote.totalitems; i++)
{
printf ("<select name=\"inp_votemulti%d\" value=\"%d\"><option value=\"0\">不选择</option><option value=\"1\">已选择</option></select> ", i + 1, (j & 1));
w_hprintf ("%s", currvote.items[i]);
printf ("<br />");
j >>= 1;
}
printf ("</p>");
votesug_inp(&uservote);
printf ("<p><anchor><go href=\"%s\" method=\"post\"><postfield name=\"procvote\" value=\"3\" />", posturl);
for (i = 0; i < currvote.totalitems; i++)
{
sprintf (buf2, "votemulti%d", i + 1);
wmlPostfield(buf2);
}
votesug_pst();
printf ("</go>投票</anchor></p>");
break;
case VOTE_YN:
//是非 ... 不是跟单选一样的么？
j = uservote.voted + (uservote.voted << currvote.totalitems);
chkd = 0;
//这是当前选中的
printf ("<p>选项列表：<br />");
for (i = 0; i < currvote.totalitems; i++)
{
if (j & 1)
{
chkd = i + 1;
break;
}
j >>= 1;
}
printf ("请选择：<select name=\"inp_vote\" value=\"%d\">", chkd);
printf ("<option value=\"0\">未选择</option>");
for (i = 0; i < currvote.totalitems; i++)
{
printf ("<option value=\"%d\">", i + 1);
w_hprintf ("%s", currvote.items[i]);
printf ("</option>");
}
printf ("</select></p>");
votesug_inp(&uservote);
printf ("<p><anchor><go href=\"%s\" method=\"post\"><postfield name=\"procvote\" value=\"1\" />", posturl);
//这里不同，单选procvote=2
wmlPostfield("vote");
votesug_pst();
printf ("</go>投票</anchor></p>");
break;
case VOTE_VALUE:
//数值
printf ("<p>请输入一个值：");
printf ("<input name=\"inp_votevalue\" value=\"%d\" /></p>", uservote.voted);
votesug_inp(&uservote);
printf ("<p><anchor><go href=\"%s\" method=\"post\"><postfield name=\"procvote\" value=\"4\" />", posturl);
wmlPostfield("votevalue");
votesug_pst();
printf ("</go>投票</anchor></p>");
break;
case VOTE_ASKING:
votesug_inp(&uservote);
printf ("<p><anchor><go href=\"%s\" method=\"post\"><postfield name=\"procvote\" value=\"5\" />", posturl);
votesug_pst();
printf ("</go>投票</anchor></p>");
break;
default:
printf ("<p>没有这种类型的投票啊。</p>");
return 0;
//:(
//<-switch
}
}
else
{
if (procvote != currvote.type)
{
strcpy(info, "投票错误。");
return -1;
}
switch (procvote)
{
case 2: //VOTE_SINGLE
votevalue = 1;
votevalue <<= atoi(getparm("vote")) - 1;
if (atoi(getparm("vote")) > currvote.totalitems + 1)
{
strcpy(info, "无效选项。");
return -1;
}
aborted = (votevalue == uservote.voted);
break;
case 3: //VOTE_MULTI
votevalue = 0;
j = 0;
for (i = currvote.totalitems - 1; i >= 0; i--)
{
votevalue <<= 1;
sprintf(buf, "votemulti%d", i + 1);
votevalue |= !!atoi(getparm(buf));
j += !!atoi(getparm(buf));
}
aborted = (votevalue == uservote.voted);
if (j > currvote.maxtkt)
{
sprintf(info, "本投票最多只能选择%d个选项。", currvote.maxtkt);
return -1;
}
break;
case 1: //VOTE_YN
votevalue = 1;
j = atoi(getparm("vote")) - 1;
if (j > currvote.totalitems || j < 0)
{
strcpy(info, "无效选项。");
return -1;
}
votevalue <<= j;
aborted = (votevalue == uservote.voted);
break;
case 4: //VOTE_VALUE
aborted = ((votevalue = atoi(getparm("votevalue"))) == uservote.voted);
if (votevalue < 0 || votevalue > currvote.maxtkt)
{
sprintf(info, "应当介于0到%d之间（含）。", currvote.maxtkt);
return -1;
}
break;
case 5: //VOTE_ASKING
aborted = NA;
break;
//<-switch
}
printf ("<card title=\"投票箱 -- %s\">", BBSNAME);
if (aborted == YEA)
{
printf ("<p>未修改该投票的选项。</p>");
return 0;
}
else
{
fp = fopen(flagname, "r+");
if (fp == 0)
{
fp = fopen(flagname, "w+");
}
if (fp)
{
flock(fileno(fp), LOCK_EX);
if (pos > 0)
{
fseek(fp, (pos - 1) * sizeof (struct ballot), SEEK_SET);
}
else
{
fseek(fp, 0, SEEK_END);
}
strcpy(uservote.uid, currentuser.userid);
uservote.voted = votevalue;
for (i = 0; i < 3; i++)
{
sprintf (buf2, "sug%d", i);
strncpy (uservote.msg[i], getparm(buf2), 78);
removeInvisibleChars(uservote.msg[i], ' ');
}
fwrite(&uservote, sizeof (struct ballot), 1, fp);
flock(fileno(fp), LOCK_UN);
fclose(fp);
printf("<p>已经帮您投入票箱中。</p>");
sprintf(buf, "%s %s %s", currentuser.userid, currentuser.lasthost, Ctime(now_t));
fs_append(BBSHOME"/vote.log", buf);
}
else
{
printf ("<p>系统发生了一点小小的问题-_-b</p>");
}
}
}
}
