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Add a test ping-pong application

dev
Vitaliy Filippov 12 months ago
parent
commit
7a3e5ccb0b
  1. 7
      example/Makefile
  2. 279
      example/pingpong.c
  3. 6
      lib/Makefile

7
example/Makefile

@ -13,10 +13,13 @@ LIBS+= -L${FF_DPDK}/lib -Wl,--whole-archive,-ldpdk,--no-whole-archive
LIBS+= -Wl,--no-whole-archive -lrt -lm -ldl -lcrypto -pthread -lnuma
TARGET="helloworld"
all:
all: pingpong
cc -O -gdwarf-2 -I../lib -o ${TARGET} main.c ${LIBS}
cc -O -gdwarf-2 -I../lib -o ${TARGET}_epoll main_epoll.c ${LIBS}
pingpong: pingpong.c
cc -O -gdwarf-2 -I../lib -o $@ $< ${LIBS}
.PHONY: clean
clean:
rm -f *.o ${TARGET} ${TARGET}_epoll
rm -f *.o ${TARGET} ${TARGET}_epoll pingpong

279
example/pingpong.c

@ -0,0 +1,279 @@
#include <stdio.h>
#include <time.h>
#include <sys/ioctl.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <strings.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/tcp.h>
#include <errno.h>
#include <assert.h>
#include <signal.h>
#include "ff_config.h"
#include "ff_api.h"
#include "ff_epoll.h"
#define MAX_EVENTS 512
struct epoll_event ev;
struct epoll_event events[MAX_EVENTS];
static int message_size = 4096;
static char *buf = NULL;
static int epfd;
static int sockfd;
/* Echo server */
int loop(void *arg)
{
/* Wait for events to happen */
int nevents = ff_epoll_wait(epfd, events, MAX_EVENTS, 0);
int i;
for (i = 0; i < nevents; ++i)
{
/* Handle new connect */
if (events[i].data.fd == sockfd)
{
while (1)
{
int nclientfd = ff_accept(sockfd, NULL, NULL);
if (nclientfd < 0)
break;
int one = 1;
ff_setsockopt(nclientfd, SOL_TCP, TCP_NODELAY, &one, sizeof(one));
/* Add to event list */
ev.data.fd = nclientfd;
ev.events = EPOLLIN;
if (ff_epoll_ctl(epfd, EPOLL_CTL_ADD, nclientfd, &ev) != 0)
{
printf("ff_epoll_ctl failed:%d, %s\n", errno, strerror(errno));
break;
}
}
}
else
{
if (events[i].events & EPOLLERR)
{
/* Simply close socket */
ff_epoll_ctl(epfd, EPOLL_CTL_DEL, events[i].data.fd, NULL);
ff_close(events[i].data.fd);
}
else if (events[i].events & EPOLLIN)
{
size_t readlen = ff_read(events[i].data.fd, buf, message_size);
if (readlen > 0)
ff_write(events[i].data.fd, buf, readlen);
else
{
ff_epoll_ctl(epfd, EPOLL_CTL_DEL, events[i].data.fd, NULL);
ff_close(events[i].data.fd);
}
}
else
{
printf("unknown event: %8.8X\n", events[i].events);
}
}
}
}
static uint64_t sum_us = 0, count_us = 0;
static int to_write = 0;
static int to_read = 0;
static int connected = 0;
static struct timespec connect_time;
static struct timespec start, end;
void sigint_handler(int signum)
{
struct timespec stop_time;
clock_gettime(CLOCK_REALTIME, &stop_time);
double duration_sec = ((stop_time.tv_nsec - connect_time.tv_nsec)/1000000000.0 + 1.0*(stop_time.tv_sec - connect_time.tv_sec));
uint64_t mps = count_us/duration_sec;
printf(
"%lu messages in %.2f seconds (%lu mps), %lu us avg ping-pong\n", count_us,
duration_sec, mps, sum_us/(count_us == 0 ? 1 : count_us)
);
exit(0);
}
int loop_client(void *arg)
{
ssize_t len = 0;
int nevents = ff_epoll_wait(epfd, events, MAX_EVENTS, 0);
int i;
for (i = 0; i < nevents; ++i)
{
if (events[i].events & (EPOLLHUP|EPOLLERR))
{
/* Simply close socket */
ff_epoll_ctl(epfd, EPOLL_CTL_DEL, events[i].data.fd, NULL);
ff_close(events[i].data.fd);
sigint_handler(SIGINT);
exit(0);
}
else if (events[i].events & EPOLLIN)
{
/* Read everything back */
if (to_read > 0)
{
len = ff_read(events[i].data.fd, buf, message_size);
if (len > 0)
to_read = to_read > len ? to_read-len : 0;
if (to_read == 0)
{
/* Calculate latency */
clock_gettime(CLOCK_REALTIME, &end);
sum_us += (end.tv_nsec - start.tv_nsec)/1000 + (end.tv_sec - start.tv_sec)*1000000;
count_us++;
/* Send next request */
start = end;
memset(buf, 0xab, message_size);
to_write = message_size;
len = ff_write(events[i].data.fd, buf, to_write);
if (len > 0)
to_write -= len;
if (to_write == 0)
to_read = message_size;
}
}
}
else if (events[i].events & EPOLLOUT)
{
/* Connected or buffer available */
if (!connected)
{
connected = 1;
printf("Connected, starting ping-pong, press Ctrl-C to interrupt\n");
int one = 1;
ff_setsockopt(events[i].data.fd, SOL_TCP, TCP_NODELAY, &one, sizeof(one));
clock_gettime(CLOCK_REALTIME, &connect_time);
start = connect_time;
memset(buf, 0xab, message_size);
to_write = message_size;
}
if (to_write > 0)
{
len = ff_write(events[i].data.fd, buf, to_write);
if (len > 0)
to_write -= len;
if (to_write == 0)
to_read = message_size;
}
}
else
{
printf("unknown event: %8.8X\n", events[i].events);
}
}
return 0;
}
int main(int argc, char *argv[])
{
char *server = NULL;
char **f_argv = malloc(sizeof(char*) * (argc+1));
int f_argidx = 1;
f_argv[0] = argv[0];
for (int i = 1; i < argc; i++)
{
if (!strcmp(argv[i], "--size"))
{
if (i < argc-1)
message_size = atoi(argv[++i]);
if (message_size < 4)
{
printf("invalid argument for --size\n");
exit(1);
}
}
else if (argv[i][0] == '-')
{
f_argv[f_argidx++] = argv[i++];
f_argv[f_argidx++] = argv[i];
}
else
{
server = argv[i];
break;
}
}
f_argv[f_argidx] = NULL;
buf = malloc(message_size);
if (!buf)
{
printf("failed to allocate buffer\n");
exit(1);
}
ff_init(f_argidx, f_argv);
sockfd = ff_socket(AF_INET, SOCK_STREAM, 0);
printf("sockfd:%d\n", sockfd);
if (sockfd < 0)
{
printf("ff_socket failed\n");
exit(1);
}
int on = 1;
ff_ioctl(sockfd, FIONBIO, &on);
if (server)
{
printf("Client mode, message size %d, connecting to %s\n", message_size, server);
struct sockaddr_in my_addr;
bzero(&my_addr, sizeof(my_addr));
my_addr.sin_family = AF_INET;
my_addr.sin_port = htons(7777);
my_addr.sin_addr.s_addr = inet_addr(server);
int ret = ff_connect(sockfd, (struct linux_sockaddr *)&my_addr, sizeof(my_addr));
if (ret < 0 && errno != EINPROGRESS)
{
printf("ff_connect failed: %d (%s)\n", errno, strerror(errno));
exit(1);
}
}
else
{
struct sockaddr_in my_addr;
bzero(&my_addr, sizeof(my_addr));
my_addr.sin_family = AF_INET;
my_addr.sin_port = htons(7777);
my_addr.sin_addr.s_addr = htonl(INADDR_ANY);
int ret = ff_bind(sockfd, (struct linux_sockaddr *)&my_addr, sizeof(my_addr));
if (ret < 0)
{
printf("ff_bind failed\n");
exit(1);
}
ret = ff_listen(sockfd, MAX_EVENTS);
if (ret < 0)
{
printf("ff_listen failed\n");
exit(1);
}
}
assert((epfd = ff_epoll_create(0)) > 0);
ev.data.fd = sockfd;
ev.events = (server ? EPOLLOUT : 0) | EPOLLIN|EPOLLHUP;
ff_epoll_ctl(epfd, EPOLL_CTL_ADD, sockfd, &ev);
if (server)
signal(SIGINT, sigint_handler);
ff_run(server ? loop_client : loop, NULL);
return 0;
}

6
lib/Makefile

@ -58,11 +58,11 @@ DPDK_CFLAGS+= -I${FF_DPDK}/include
KERNPREINCLUDES:= ${INCLUDES}
INCLUDES= -I${OVERRIDE_INCLUDES_ROOT} ${KERNPREINCLUDES}
INCLUDES+= -I./machine_include
INCLUDES+= -I./opt
INCLUDES+= -I${MACHINE_INCLUDES_ROOT}
INCLUDES+= -I${CURDIR}/opt
# Include search path for files that only include host OS headers
HOST_INCLUDES= -I.
HOST_INCLUDES= -I${CURDIR}
ifndef DEBUG
HOST_CFLAGS = -O2 -frename-registers -funswitch-loops -fweb -Wno-format-truncation
else

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