void requestServeDynamic(int fd, char *filename, char *cgiargs, request* req)
{
char buf[MAXLINE], *emptylist[] = {NULL};
/* The server does only a little bit of the header. */
/* The CGI script has to finish writing out the header. */
sprintf(buf, "HTTP/1.0 200 OK\r\n");
sprintf(buf, "%s Server: Tiny Web Server\r\n", buf);
/* CS537: Your statistics go here -- fill in the 0's with something
* useful!
*/
sprintf(buf, "%s Stat-req-arrival: %f\r\n", buf, toMS(req->req_arrival));
sprintf(buf, "%s Stat-req-dispatch: %f\r\n", buf, toMS(req->req_dispatch));
sprintf(buf, "%s Stat-thread-id: %d\r\n", buf, req->t_stats.thread_id);
sprintf(buf, "%s Stat-thread-count: %d\r\n", buf, req->t_stats.thread_count);
sprintf(buf, "%s Stat-thread-static: %d\r\n", buf, req->t_stats.thread_static);
sprintf(buf, "%s Stat-thread-dynamic: %d\r\n", buf, req->t_stats.thread_dynamic);
Rio_writen(fd, buf, strlen(buf));
if(Fork() == 0)
{
/* Child process */
Setenv("QUERY_STRING", cgiargs, 1);
/* When the CGI process writes to stdout, it will instead go to
* the socket
*/
Dup2(fd, STDOUT_FILENO);
Execve(filename, emptylist, environ);
}
Wait(NULL);
}
word
pl_setenv(term_t var, term_t value)
{ char *n, *v;
if ( PL_get_chars(var, &n, CVT_ALL|BUF_RING) &&
PL_get_chars(value, &v, CVT_ALL) )
{ Setenv(n, v);
succeed;
}
return warning("setenv/2: instantiation fault");
}
static void
dset(Char *dp)
{
/*
* Don't call set() directly cause if the directory contains ` or
* other junk characters glob will fail.
*/
Char **vec = xreallocarray(NULL, 2, sizeof(*vec));
vec[0] = Strsave(dp);
vec[1] = 0;
setq(STRcwd, vec, &shvhed);
Setenv(STRPWD, dp);
}
static void
dset(Char *dp)
{
/*
* Don't call set() directly cause if the directory contains ` or
* other junk characters glob will fail.
*/
Char **vec = (Char **) xmalloc((size_t) (2 * sizeof(Char **)));
vec[0] = Strsave(dp);
vec[1] = 0;
setq(STRcwd, vec, &shvhed);
Setenv(STRPWD, dp);
}
//
// name: 未知
// @param
// @return
//
void serve_dynamic(int fd, char *filename, char *cgiargs)
{
char buf[MAXLINE], *emptylist[] = { NULL };
sprintf(buf, "HTTP/1.0 200 OK\r\n");
rio_writen(fd, buf, strlen(buf));
sprintf(buf, "Server: Tiny Web Server\r\n");
rio_writen(fd, buf, strlen(buf));
if(Fork() == 0)
{
Setenv("QUERY_STR", cgiargs, 0);
Dup2(fd, STDOUT_FILENO);
Execve(filename, emptylist, environ);
}
wait(NULL);
}
void requestServeDynamic(int fd, char *filename, char *cgiargs)
{
char buf[MAXLINE], *emptylist[] = {NULL};
// The server does only a little bit of the header.
// The CGI script has to finish writing out the header.
sprintf(buf, "HTTP/1.0 200 OK\r\n");
sprintf(buf, "%sServer: CS537 Web Server\r\n", buf);
Rio_writen(fd, buf, strlen(buf));
if (Fork() == 0) {
/* Child process */
Setenv("QUERY_STRING", cgiargs, 1);
/* When the CGI process writes to stdout, it will instead go to the socket */
Dup2(fd, STDOUT_FILENO);
Execve(filename, emptylist, environ);
}
Wait(NULL);
}
static void
exportpath(Char **val)
{
Char exppath[BUFSIZ];
exppath[0] = 0;
if (val)
while (*val) {
if (Strlen(*val) + Strlen(exppath) + 2 > BUFSIZ) {
(void) fprintf(csherr,
"Warning: ridiculously long PATH truncated\n");
break;
}
(void) Strlcat(exppath, *val++, sizeof exppath/sizeof(Char));
if (*val == 0 || eq(*val, STRRparen))
break;
(void) Strlcat(exppath, STRcolon, sizeof exppath/sizeof(Char));
}
Setenv(STRPATH, exppath);
}
void
/*ARGSUSED*/
doset(Char **v, struct command *t)
{
Char *p;
Char *vp, op;
Char **vecp;
bool hadsub;
int subscr;
v++;
p = *v++;
if (p == 0) {
prvars();
return;
}
do {
hadsub = 0;
vp = p;
if (letter(*p))
for (; alnum(*p); p++)
continue;
if (vp == p || !letter(*vp))
stderror(ERR_NAME | ERR_VARBEGIN);
if ((p - vp) > MAXVARLEN) {
stderror(ERR_NAME | ERR_VARTOOLONG);
return;
}
if (*p == '[') {
hadsub++;
p = getinx(p, &subscr);
}
if ((op = *p) != '\0') {
*p++ = 0;
if (*p == 0 && *v && **v == '(')
p = *v++;
}
else if (*v && eq(*v, STRequal)) {
op = '=', v++;
if (*v)
p = *v++;
}
if (op && op != '=')
stderror(ERR_NAME | ERR_SYNTAX);
if (eq(p, STRLparen)) {
Char **e = v;
if (hadsub)
stderror(ERR_NAME | ERR_SYNTAX);
for (;;) {
if (!*e)
stderror(ERR_NAME | ERR_MISSING, ')');
if (**e == ')')
break;
e++;
}
p = *e;
*e = 0;
vecp = saveblk(v);
set1(vp, vecp, &shvhed);
*e = p;
v = e + 1;
}
else if (hadsub)
asx(vp, subscr, Strsave(p));
else
set(vp, Strsave(p));
if (eq(vp, STRpath)) {
exportpath(adrof(STRpath)->vec);
dohash(NULL, NULL);
}
else if (eq(vp, STRhistchars)) {
Char *pn = value(STRhistchars);
HIST = *pn++;
HISTSUB = *pn;
}
else if (eq(vp, STRuser)) {
Setenv(STRUSER, value(vp));
Setenv(STRLOGNAME, value(vp));
}
else if (eq(vp, STRwordchars)) {
word_chars = value(vp);
}
else if (eq(vp, STRterm))
Setenv(STRTERM, value(vp));
else if (eq(vp, STRhome)) {
Char *cp;
cp = Strsave(value(vp)); /* get the old value back */
/*
* convert to canonical pathname (possibly resolving symlinks)
*/
cp = dcanon(cp, cp);
set(vp, Strsave(cp)); /* have to save the new val */
/* and now mirror home with HOME */
Setenv(STRHOME, cp);
/* fix directory stack for new tilde home */
dtilde();
free(cp);
}
else if (eq(vp, STRfilec))
filec = 1;
} while ((p = *v++) != NULL);
}
