/*
* EpollTest by Davide Libenzi ( Epoll functionality tester )
* Copyright (C) 2003 Davide Libenzi
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Davide Libenzi <davidel@xmailserver.org>
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdarg.h>
#include <string.h>
#include <assert.h>
#include <limits.h>
#include <ctype.h>
#include <time.h>
#include <errno.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <sched.h>
#include <sys/file.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/select.h>
#include <sys/wait.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <arpa/nameser.h>
#include <netdb.h>
#include <syslog.h>
#include <glob.h>
#include <semaphore.h>
/*
* You need the Portable Coroutine Library (PCL) to build this source.
* You can find a copy of PCL source code at :
*
* http://www.xmailserver.org/libpcl.html
*/
#include <pcl.h>
#include "epoll.h"
#include "dbllist.h"
#define CO_STD_STACK_SIZE (2 * 4096)
#define STD_SCHED_TIMEOUT 1000
/* you might need to increase "net.ipv4.tcp_max_syn_backlog" to use this value */
#define STD_LISTEN_SIZE 2048
#define DATA_BUFFER_SIZE 2048
#define MIN_AHEAD_SPACE (DATA_BUFFER_SIZE / 12)
#define STD_MESSAGE_SIZE 128
#define STD_SERVER_PORT 8080
#define MAX_DEFAULT_FDS 20000
struct eph_conn {
struct list_head lnk;
int sfd;
unsigned int events, revents;
coroutine_t co;
int nbytes, rindex;
char buffer[DATA_BUFFER_SIZE];
};
static int kdpfd;
static struct list_head close_list;
static struct epoll_event *events;
static int maxfds, numfds = 0;
static int chash_size;
static struct list_head *chash;
static int msgsize = STD_MESSAGE_SIZE, port = STD_SERVER_PORT,
maxsfd = MAX_DEFAULT_FDS, stksize = CO_STD_STACK_SIZE;
struct sockaddr_in saddr;
static volatile unsigned long httpresp = 0;
static int nreqsess = 1;
static char httpreq[512] = "";
int eph_socket(int domain, int type, int protocol)
{
int sfd = socket(domain, type, protocol), flags = 1;
if (sfd == -1)
return -1;
if (ioctl(sfd, FIONBIO, &flags) &&
((flags = fcntl(sfd, F_GETFL, 0)) < 0 ||
fcntl(sfd, F_SETFL, flags | O_NONBLOCK) < 0)) {
close(sfd);
return -1;
}
return sfd;
}
int eph_close(int sfd)
{
close(sfd);
return 0;
}
static int eph_new_conn(int sfd, void *func)
{
struct eph_conn *conn = malloc(sizeof(struct eph_conn));
struct epoll_event ev;
if (!conn)
return -1;
memset(conn, 0, sizeof(*conn));
DBL_INIT_LIST_HEAD(&conn->lnk);
conn->sfd = sfd;
conn->events = 0;
conn->revents = 0;
conn->nbytes = conn->rindex = 0;
if (!(conn->co = co_create(func, conn, NULL, stksize))) {
free(conn);
return -1;
}
DBL_LIST_ADDT(&conn->lnk, &chash[sfd % chash_size]);
ev.events = 0;
ev.data.ptr = conn;
if (epoll_ctl(kdpfd, EPOLL_CTL_ADD, sfd, &ev) < 0) {
fprintf(stderr, "epoll set insertion error: fd=%d\n", sfd);
DBL_LIST_DEL(&conn->lnk);
co_delete(conn->co);
free(conn);
return -1;
}
++numfds;
co_call(conn->co);
return 0;
}
static void eph_exit_conn(struct eph_conn *conn)
{
struct epoll_event ev;
if (epoll_ctl(kdpfd, EPOLL_CTL_DEL, conn->sfd, &ev) < 0) {
fprintf(stderr, "epoll set deletion error: fd=%d\n", conn->sfd);
}
DBL_LIST_DEL(&conn->lnk);
DBL_LIST_ADDT(&conn->lnk, &close_list);
eph_close(conn->sfd);
conn->sfd = -1;
--numfds;
co_exit();
}
static void eph_free_conns(void)
{
struct eph_conn *conn;
while (!DBL_LIST_EMTPY(&close_list)) {
conn = DBL_LIST_ENTRY(close_list.pNext, struct eph_conn, lnk);
DBL_LIST_DEL(&conn->lnk);
free(conn);
}
}
static int eph_mod_conn(struct eph_conn *conn, unsigned int events)
{
struct epoll_event ev;
ev.events = events;
ev.data.ptr = conn;
if (epoll_ctl(kdpfd, EPOLL_CTL_MOD, conn->sfd, &ev) < 0) {
fprintf(stderr, "epoll set modify error: fd=%d\n", conn->sfd);
return -1;
}
return 0;
}
int eph_connect(struct eph_conn *conn, const struct sockaddr *serv_addr,
socklen_t addrlen)
{
if (connect(conn->sfd, serv_addr, addrlen) == -1) {
if (errno != EWOULDBLOCK && errno != EINPROGRESS)
return -1;
if (!(conn->events & EPOLLOUT)) {
conn->events = EPOLLOUT | EPOLLERR | EPOLLHUP;
if (eph_mod_conn(conn, conn->events) < 0)
return -1;
}
co_resume();
if (conn->revents & (EPOLLERR | EPOLLHUP))
return -1;
}
return 0;
}
int eph_read(struct eph_conn *conn, char *buf, int nbyte)
{
int n;
while ((n = read(conn->sfd, buf, nbyte)) < 0) {
if (errno == EINTR)
continue;
if (errno != EAGAIN && errno != EWOULDBLOCK)
return -1;
if (!(conn->events & EPOLLIN)) {
conn->events = EPOLLIN | EPOLLERR | EPOLLHUP;
if (eph_mod_conn(conn, conn->events) < 0)
return -1;
}
co_resume();
}
return n;
}
int eph_write(struct eph_conn *conn, char const *buf, int nbyte)
{
int n;
while ((n = write(conn->sfd, buf, nbyte)) < 0) {
if (errno == EINTR)
continue;
if (errno != EAGAIN && errno != EWOULDBLOCK)
return -1;
if (!(conn->events & EPOLLOUT)) {
conn->events = EPOLLOUT | EPOLLERR | EPOLLHUP;
if (eph_mod_conn(conn, conn->events) < 0)
return -1;
}
co_resume();
}
return n;
}
int eph_accept(struct eph_conn *conn, struct sockaddr *addr, int *addrlen)
{
int sfd, flags = 1;
while ((sfd = accept(conn->sfd, addr, (socklen_t *) addrlen)) < 0) {
if (errno == EINTR)
continue;
if (errno != EAGAIN && errno != EWOULDBLOCK)
return -1;
if (!(conn->events & EPOLLIN)) {
conn->events = EPOLLIN | EPOLLERR | EPOLLHUP;
if (eph_mod_conn(conn, conn->events) < 0)
return -1;
}
co_resume();
}
if (ioctl(sfd, FIONBIO, &flags) &&
((flags = fcntl(sfd, F_GETFL, 0)) < 0 ||
fcntl(sfd, F_SETFL, flags | O_NONBLOCK) < 0)) {
close(sfd);
return -1;
}
return sfd;
}
static int eph_create_conn(int domain, int type, int protocol, void *func)
{
int sfd = eph_socket(domain, type, protocol);
return sfd != -1 ? eph_new_conn(sfd, func) : -1;
}
static int eph_read_data(struct eph_conn *conn)
{
int nbytes;
if (conn->rindex && conn->rindex < conn->nbytes) {
memmove(conn->buffer, conn->buffer + conn->rindex,
conn->nbytes - conn->rindex);
conn->nbytes -= conn->rindex;
} else
conn->nbytes = 0;
conn->rindex = 0;
if ((nbytes = eph_read(conn, conn->buffer + conn->nbytes,
sizeof(conn->buffer) - conn->nbytes)) <= 0)
return -1;
conn->nbytes += nbytes;
return 0;
}
static int eph_write_data(struct eph_conn *conn, char const *buf, int nbyte)
{
int wbytes, wcurr;
for (wbytes = 0; wbytes < nbyte;) {
if ((wcurr = eph_write(conn, buf + wbytes, nbyte - wbytes)) < 0)
break;
wbytes += wcurr;
}
return wbytes;
}
static char *eph_read_line(struct eph_conn *conn)
{
char *nline, *line;
for (;;) {
if (conn->nbytes > conn->rindex) {
if ((nline = memchr(conn->buffer + conn->rindex, '\n',
conn->nbytes - conn->rindex))) {
line = conn->buffer + conn->rindex;
conn->rindex += (nline - line) + 1;
for (; nline > line && nline[-1] == '\r';
nline--) ;
*nline = '\0';
return line;
}
}
if (eph_read_data(conn) < 0)
break;
}
return NULL;
}
static int eph_parse_request(struct eph_conn *conn)
{
char *line;
if (!(line = eph_read_line(conn)))
return -1;
for (;;) {
if (!(line = eph_read_line(conn)))
return -1;
if (*line == '\0')
break;
}
return 0;
}
static int eph_send_response(struct eph_conn *conn)
{
static int resplen = -1;
static char *resp = NULL;
if (resp == NULL) {
msgsize = ((msgsize + 63) / 64) * 64;
resp = malloc(msgsize + 256);
sprintf(resp,
"HTTP/1.1 200 OK\r\n"
"Server: dp server\r\n"
"Content-Type: text/plain\r\n"
"Content-Length: %d\r\n" "\r\n", msgsize);
while (msgsize > 0) {
strcat(resp,
"01234567890123\r\n"
"01234567890123\r\n"
"01234567890123\r\n" "01234567890123\r\n");
msgsize -= 64;
}
resplen = strlen(resp);
}
if (eph_write_data(conn, resp, resplen) != resplen)
return -1;
return 0;
}
static void *eph_httpd(void *data)
{
struct eph_conn *conn = (struct eph_conn *)data;
while (eph_parse_request(conn) == 0) {
eph_send_response(conn);
}
eph_exit_conn(conn);
return data;
}
static void *eph_acceptor(void *data)
{
struct eph_conn *conn = (struct eph_conn *)data;
struct sockaddr_in addr;
int sfd, addrlen = sizeof(addr);
while ((sfd =
eph_accept(conn, (struct sockaddr *)&addr, &addrlen)) != -1) {
if (eph_new_conn(sfd, eph_httpd) < 0) {
eph_close(sfd);
}
}
eph_exit_conn(conn);
return data;
}
static struct eph_conn *eph_find(int sfd)
{
struct list_head *head = &chash[sfd % chash_size], *lnk;
struct eph_conn *conn;
DBL_LIST_FOR_EACH(lnk, head) {
conn = DBL_LIST_ENTRY(lnk, struct eph_conn, lnk);
if (conn->sfd == sfd)
return conn;
}
return NULL;
}
static int eph_runqueue(void)
{
int i;
struct list_head *head, *lnk;
struct eph_conn *conn;
for (i = 0; i < chash_size; i++) {
head = &chash[i];
for (lnk = head->pNext; lnk != head;) {
conn = DBL_LIST_ENTRY(lnk, struct eph_conn, lnk);
lnk = lnk->pNext;
co_call(conn->co);
}
}
return 0;
}
unsigned long long eph_mstics(void)
{
struct timeval tv;
if (gettimeofday(&tv, NULL) != 0)
return (0);
return (1000 * (unsigned long long)tv.tv_sec +
(unsigned long long)tv.tv_usec / 1000);
}
int eph_init(void)
{
int i;
if (!
(events = malloc(maxsfd * sizeof(struct epoll_event)))) {
perror("malloc()");
return -1;
}
if ((kdpfd = epoll_create(maxsfd)) < 0) {
perror("epoll_create");
return -1;
}
if (!
(chash = malloc(maxsfd * sizeof(struct list_head)))) {
perror("malloc()");
free(events);
close(kdpfd);
return -1;
}
maxfds = maxsfd;
chash_size = maxfds;
for (i = 0; i < maxfds; i++)
DBL_INIT_LIST_HEAD(&chash[i]);
DBL_INIT_LIST_HEAD(&close_list);
return 0;
}
int eph_cleanup(void)
{
free(events);
free(chash);
close(kdpfd);
return 0;
}
static int eph_scheduler(int loop, unsigned int timeout)
{
int i, nfds;
struct eph_conn *conn;
struct epoll_event *cevents;
do {
nfds = epoll_wait(kdpfd, events, maxfds, timeout);
for (i = 0, cevents = events; i < nfds; i++, cevents++) {
conn = cevents->data.ptr;
if (conn->sfd != -1) {
conn->revents = cevents->events;
if (conn->revents & conn->events)
co_call(conn->co);
}
}
#if 0
if (nfds <= 0)
eph_runqueue();
#endif
eph_free_conns();
} while (loop);
return 0;
}
#if defined(DPHTTPD)
void eph_usage(char const *prgname)
{
fprintf(stderr,
"use: %s [--msgsize nbytes (%d)] [--port nbr (%d)] [--maxfds nfds (%d)]\n\t[--stksize bytes (%d)]\n",
prgname, msgsize, port, maxsfd, stksize);
}
int main(int argc, char *argv[])
{
int i, sfd, flags = 1;
struct linger ling = { 0, 0 };
struct sockaddr_in addr;
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "--msgsize") == 0) {
if (++i < argc)
msgsize = atoi(argv[i]);
continue;
}
if (strcmp(argv[i], "--port") == 0) {
if (++i < argc)
port = atoi(argv[i]);
continue;
}
if (strcmp(argv[i], "--maxfds") == 0) {
if (++i < argc)
maxsfd = atoi(argv[i]);
continue;
}
if (strcmp(argv[i], "--stksize") == 0) {
if (++i < argc)
stksize = atoi(argv[i]);
continue;
}
eph_usage(argv[0]);
return 1;
}
if (eph_init() == -1) {
return 2;
}
if ((sfd = eph_socket(AF_INET, SOCK_STREAM, 0)) == -1) {
eph_cleanup();
return 3;
}
setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, &flags, sizeof(flags));
setsockopt(sfd, SOL_SOCKET, SO_KEEPALIVE, &flags, sizeof(flags));
setsockopt(sfd, SOL_SOCKET, SO_LINGER, &ling, sizeof(ling));
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind(sfd, (struct sockaddr *)&addr, sizeof(addr)) == -1) {
eph_close(sfd);
eph_cleanup();
return 4;
}
listen(sfd, STD_LISTEN_SIZE);
if (eph_new_conn(sfd, (void *)eph_acceptor) == -1) {
eph_close(sfd);
eph_cleanup();
return 5;
}
do {
eph_scheduler(0, STD_SCHED_TIMEOUT);
} while (numfds);
eph_cleanup();
return 0;
}
#endif /* #if defined(DPHTTPD) */
#if defined(HTTP_BLASTER)
static void *eph_http_session(void *data)
{
int i, rlen = strlen(httpreq), ava;
struct eph_conn *conn = (struct eph_conn *)data;
if (eph_connect(conn, (struct sockaddr *)&saddr, sizeof(saddr)) == 0) {
for (i = 0; i < nreqsess; i++) {
if (eph_write_data(conn, httpreq, rlen) == rlen) {
static char const *clent = "Content-Length:";
int length = -1, clens = strlen(clent);
char *line;
static char buf[2048];
while ((line = eph_read_line(conn))) {
if (*line == '\0')
break;
if (strncasecmp(line, clent, clens) ==
0) {
for (line += clens;
*line == ' '; line++) ;
length = atoi(line);
}
}
if (length < 0)
goto sess_out;
if ((ava = conn->nbytes - conn->rindex) > 0) {
if (ava > length)
ava = length;
length -= ava;
conn->rindex += ava;
}
++httpresp;
while (length > 0) {
int rsiz =
length >
sizeof(buf) ? sizeof(buf) : length;
if ((rsiz =
eph_read(conn, buf, rsiz)) <= 0)
goto sess_out;
length -= rsiz;
}
} else
goto sess_out;
}
}
sess_out:
eph_exit_conn(conn);
return data;
}
void eph_usage(char const *prgname)
{
fprintf(stderr,
"use: %s --server serv --port nprt --numconns ncon [--nreq nreq (%d)]\n"
"[--maxconns ncon] [--url url ('/')] [--stksize bytes (%d)]\n",
prgname, nreqsess, stksize);
}
int main(int argc, char *argv[])
{
int i, nconns = 0, totconns = 0, maxconns = 0;
unsigned long resplast;
unsigned long long tinit, tlast, tcurr;
struct hostent *he;
char const *server = NULL, *url = "/";
struct in_addr inadr;
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "--server") == 0) {
if (++i < argc)
server = argv[i];
continue;
}
if (strcmp(argv[i], "--port") == 0) {
if (++i < argc)
port = atoi(argv[i]);
continue;
}
if (strcmp(argv[i], "--maxconns") == 0) {
if (++i < argc)
maxconns = atoi(argv[i]);
continue;
}
if (strcmp(argv[i], "--numconns") == 0) {
if (++i < argc) {
nconns = atoi(argv[i]);
if (nconns > maxsfd)
maxsfd = nconns + nconns >> 1 + 1;
}
continue;
}
if (strcmp(argv[i], "--nreq") == 0) {
if (++i < argc)
nreqsess = atoi(argv[i]);
continue;
}
if (strcmp(argv[i], "--url") == 0) {
if (++i < argc)
url = argv[i];
continue;
}
if (strcmp(argv[i], "--stksize") == 0) {
if (++i < argc)
stksize = atoi(argv[i]);
continue;
}
eph_usage(argv[0]);
return 1;
}
if (!server || !nconns) {
eph_usage(argv[0]);
return 2;
}
sprintf(httpreq,
"GET %s HTTP/1.1\r\n"
"Host: %s\r\n" "Connection: keepalive\r\n" "\r\n", url, server);
if (inet_aton(server, &inadr) == 0) {
if ((he = gethostbyname(server)) == NULL) {
fprintf(stderr, "unable to resolve: %s\n", server);
return (-1);
}
memcpy(&inadr.s_addr, he->h_addr_list[0], he->h_length);
}
saddr.sin_family = AF_INET;
saddr.sin_port = htons(port);
memcpy(&saddr.sin_addr, &inadr.s_addr, 4);
if (eph_init() == -1) {
return 2;
}
resplast = 0;
tinit = tlast = eph_mstics();
for (; numfds || (!maxconns || totconns < maxconns);) {
int nfds = numfds, errs = 0, diffconns = nconns - numfds;
while (numfds < nconns && (!maxconns || totconns < maxconns)) {
eph_create_conn(AF_INET, SOCK_STREAM, 0,
eph_http_session);
if (nfds == numfds) {
++errs;
if (errs > 32) {
fprintf(stderr,
"unable to connect: server=%s errors=%d\n",
server, errs);
goto main_exit;
}
} else
++totconns;
nfds = numfds;
}
eph_scheduler(0, STD_SCHED_TIMEOUT);
tcurr = eph_mstics();
if ((tcurr - tlast) >= 1000) {
printf
("rate = %lu avg = %lu totconns = %d diff = %d resp = %ld nfds = %d\n",
(unsigned long)((1000 * (httpresp - resplast)) /
(tcurr - tlast)),
(unsigned long)((1000 * httpresp) /
(tcurr - tinit)), totconns,
diffconns, httpresp, numfds);
tlast = tcurr;
resplast = httpresp;
}
}
main_exit:
eph_cleanup();
return 0;
}
#endif /* #if defined(HTTP_BLASTER) */
#if defined(PIPETESTER)
int eph_createcgi(char **args, void *func)
{
int fds[2], flags = 1;
pid_t chpid;
if (pipe(fds)) {
perror("pipe");
return -1;
}
chpid = fork();
if (chpid == -1) {
perror("fork");
close(fds[0]), close(fds[1]);
return -1;
} else if (chpid == 0) {
close(fds[0]);
dup2(fds[1], 1);
close(fds[1]);
execvp(args[0], args);
perror("exec");
exit(1);
}
close(fds[1]);
if (ioctl(fds[0], FIONBIO, &flags) &&
((flags = fcntl(fds[0], F_GETFL, 0)) < 0 ||
fcntl(fds[0], F_SETFL, flags | O_NONBLOCK) < 0)) {
close(fds[0]);
return -1;
}
fprintf(stdout, "child-run=%d fd=%d\n", chpid, fds[0]), fflush(stdout);
return eph_new_conn(fds[0], func);
}
int eph_createpipetest(int size, int tsleep, int ttime, void *func)
{
int fds[2], flags = 1;
pid_t chpid;
if (pipe(fds)) {
perror("pipe");
return -1;
}
chpid = fork();
if (chpid == -1) {
perror("fork");
close(fds[0]), close(fds[1]);
return -1;
} else if (chpid == 0) {
int i;
char *buff = malloc(size + 1);
close(fds[0]);
dup2(fds[1], 1);
close(fds[1]);
srand(getpid() * time(NULL));
for (i = 0; i < (size - 1); i++) {
if (i && !(i % 64))
buff[i] = '\n';
else
buff[i] = '0' + (rand() % 10);
}
buff[i++] = '\n';
buff[i] = '\0';
ttime += (ttime * rand()) / RAND_MAX - (ttime >> 1);
ttime *= 1000;
while (ttime > 0) {
usleep(tsleep * 1000);
fputs(buff, stdout), fflush(stdout);
ttime -= tsleep;
}
free(buff);
exit(0);
}
close(fds[1]);
if (ioctl(fds[0], FIONBIO, &flags) &&
((flags = fcntl(fds[0], F_GETFL, 0)) < 0 ||
fcntl(fds[0], F_SETFL, flags | O_NONBLOCK) < 0)) {
close(fds[0]);
return -1;
}
fprintf(stdout, "child-run=%d fd=%d\n", chpid, fds[0]), fflush(stdout);
return eph_new_conn(fds[0], func);
}
static void *eph_pipe_session(void *data)
{
struct eph_conn *conn = (struct eph_conn *)data;
int nbytes, totbytes = 0;
char buff[257];
while ((nbytes = eph_read(conn, buff, sizeof(buff))) > 0) {
fprintf(stdout, "[%p] %d bytes readed\n", conn, nbytes),
fflush(stdout);
totbytes += nbytes;
}
fprintf(stdout, "[%p] exit - totbytes=%d\n", conn, totbytes),
fflush(stdout);
eph_exit_conn(conn);
return data;
}
void eph_sigchld(int sig)
{
int status;
pid_t pid;
while ((pid = waitpid(0, &status, WNOHANG)) > 0) {
fprintf(stdout, "child-dead=%d\n", pid), fflush(stdout);
}
signal(SIGCHLD, eph_sigchld);
}
void eph_usage(char const *prgname)
{
fprintf(stderr,
"use: %s [--ncgis ncgi] [--cgi cgi] [--stksize bytes (%d)]\n",
prgname, stksize);
}
int main(int argc, char *argv[])
{
int i, ncgis = 8;
char *cgi = NULL;
char *args[16];
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "--ncgis") == 0) {
if (++i < argc)
ncgis = atoi(argv[i]);
continue;
}
if (strcmp(argv[i], "--cgi") == 0) {
if (++i < argc)
cgi = argv[i];
continue;
}
if (strcmp(argv[i], "--stksize") == 0) {
if (++i < argc)
stksize = atoi(argv[i]);
continue;
}
eph_usage(argv[0]);
return 1;
}
signal(SIGCHLD, eph_sigchld);
signal(SIGPIPE, SIG_IGN);
if (eph_init() == -1) {
return 2;
}
if (cgi) {
args[0] = cgi;
args[1] = NULL;
for (i = 0; i < ncgis; i++)
eph_createcgi(args, eph_pipe_session);
} else {
for (i = 0; i < ncgis; i++)
eph_createpipetest(256, 250, 8, eph_pipe_session);
}
while (numfds > 0)
eph_scheduler(0, STD_SCHED_TIMEOUT);
eph_cleanup();
return 0;
}
#endif /* #if defined(PIPETESTER) */