mirror of https://github.com/F-Stack/f-stack.git
Add helloworld_stack_epoll for demo.
This commit is contained in:
fengbojiang
parent
799c39d5f0
commit
7492bfbcb6
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@ -10,7 +10,7 @@ endif
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PKGCONF ?= pkg-config
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CFLAGS += -O -gdwarf-2 $(shell $(PKGCONF) --cflags libdpdk)
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CFLAGS += -O0 -g -gdwarf-2 $(shell $(PKGCONF) --cflags libdpdk)
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LIBS+= $(shell $(PKGCONF) --static --libs libdpdk)
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LIBS+= -L${FF_PATH}/lib -Wl,--whole-archive,-lfstack,--no-whole-archive
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@ -20,6 +20,7 @@ TARGET="helloworld"
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all:
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cc ${CFLAGS} -DINET6 -o ${TARGET} main.c ${LIBS}
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cc ${CFLAGS} -o ${TARGET}_epoll main_epoll.c ${LIBS}
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cc ${CFLAGS} -I ../adapter -o ${TARGET}_stack_epoll main_stack_epoll.c ${LIBS}
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.PHONY: clean
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clean:
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@ -0,0 +1,202 @@
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#include <stdio.h>
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#include <sys/ioctl.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <strings.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/epoll.h>
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#include <arpa/inet.h>
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#include <errno.h>
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#include <assert.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <signal.h>
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#define MAX_WORKERS 128
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pthread_t hworker[MAX_WORKERS];
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pthread_spinlock_t worker_lock;
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#define MAX_EVENTS 512
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static int exit_flag = 0;
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char html[] =
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"HTTP/1.1 200 OK\r\n"
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"Server: F-Stack\r\n"
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"Date: Sat, 25 Feb 2017 09:26:33 GMT\r\n"
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"Content-Type: text/html\r\n"
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"Content-Length: 438\r\n"
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"Last-Modified: Tue, 21 Feb 2017 09:44:03 GMT\r\n"
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"Connection: keep-alive\r\n"
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"Accept-Ranges: bytes\r\n"
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"\r\n"
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"<!DOCTYPE html>\r\n"
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"<html>\r\n"
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"<head>\r\n"
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"<title>Welcome to F-Stack!</title>\r\n"
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"<style>\r\n"
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" body { \r\n"
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" width: 35em;\r\n"
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" margin: 0 auto; \r\n"
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" font-family: Tahoma, Verdana, Arial, sans-serif;\r\n"
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" }\r\n"
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"</style>\r\n"
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"</head>\r\n"
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"<body>\r\n"
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"<h1>Welcome to F-Stack!</h1>\r\n"
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"\r\n"
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"<p>For online documentation and support please refer to\r\n"
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"<a href=\"http://F-Stack.org/\">F-Stack.org</a>.<br/>\r\n"
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"\r\n"
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"<p><em>Thank you for using F-Stack.</em></p>\r\n"
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"</body>\r\n"
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"</html>";
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void sig_term(int sig)
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{
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printf("we caught signal %d, to exit helloworld\n", sig);
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exit_flag = 1;
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return;
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}
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void *loop(void *arg)
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{
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struct epoll_event ev;
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struct epoll_event events[MAX_EVENTS];
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int epfd;
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int sockfd;
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int thread_id;
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thread_id = *(int *)arg;
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pthread_spin_unlock(&worker_lock);
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printf("start thread %d\n", thread_id);
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sockfd = socket(AF_INET, SOCK_STREAM, 0);
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printf("thread %d, sockfd:%d\n", thread_id, sockfd);
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if (sockfd < 0) {
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printf("thread %d, ff_socket failed\n", thread_id);
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exit(1);
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}
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int on = 1;
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ioctl(sockfd, FIONBIO, &on);
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struct sockaddr_in my_addr;
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bzero(&my_addr, sizeof(my_addr));
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my_addr.sin_family = AF_INET;
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my_addr.sin_port = htons(80);
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my_addr.sin_addr.s_addr = htonl(INADDR_ANY);
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int ret = bind(sockfd, (const struct sockaddr *)&my_addr, sizeof(my_addr));
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if (ret < 0) {
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printf("thread %d, ff_bind failed\n", thread_id);
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exit(1);
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}
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ret = listen(sockfd, MAX_EVENTS);
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if (ret < 0) {
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printf("thread %d, ff_listen failed\n", thread_id);
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exit(1);
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}
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epfd = epoll_create(0);
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if (epfd <= 0) {
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printf("thread %d, ff_epoll_create failed, errno:%d, %s\n",
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thread_id, errno, strerror(errno));
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exit(1);
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}
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ev.data.fd = sockfd;
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ev.events = EPOLLIN;
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epoll_ctl(epfd, EPOLL_CTL_ADD, sockfd, &ev);
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/* Wait for events to happen */
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while (!exit_flag) {
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int nevents = epoll_wait(epfd, events, MAX_EVENTS, 100);
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if (nevents <= 0) {
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if (nevents) {
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printf("thread %d, hello world epoll wait ret %d, errno:%d, %s\n",
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thread_id, nevents, errno, strerror(errno));
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}
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//usleep(100);
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sleep(1);
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}
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printf("thread %d, get nevents:%d\n", thread_id, nevents);
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int i;
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for (i = 0; i < nevents; ++i) {
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/* Handle new connect */
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if (events[i].data.fd == sockfd) {
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while (1) {
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int nclientfd = accept(sockfd, NULL, NULL);
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if (nclientfd < 0) {
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break;
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}
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/* Add to event list */
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ev.data.fd = nclientfd;
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ev.events = EPOLLIN;
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if (epoll_ctl(epfd, EPOLL_CTL_ADD, nclientfd, &ev) != 0) {
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printf("thread %d, ff_epoll_ctl failed:%d, %s\n",
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thread_id, errno, strerror(errno));
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break;
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}
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}
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} else {
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if (events[i].events & EPOLLERR ) {
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/* Simply close socket */
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epoll_ctl(epfd, EPOLL_CTL_DEL, events[i].data.fd, NULL);
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close(events[i].data.fd);
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} else if (events[i].events & EPOLLIN) {
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char buf[256];
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size_t readlen = read( events[i].data.fd, buf, sizeof(buf));
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if(readlen > 0) {
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write( events[i].data.fd, html, sizeof(html) - 1);
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} else {
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epoll_ctl(epfd, EPOLL_CTL_DEL, events[i].data.fd, NULL);
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close(events[i].data.fd);
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}
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} else {
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printf("thread %d, unknown event: %8.8X\n", events[i].events);
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}
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}
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}
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}
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}
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int main(int argc, char * argv[])
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{
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int i, worker_num;
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signal(SIGTERM, sig_term);
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if (argc == 1) {
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worker_num = 1;
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} else {
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worker_num = atoi(argv[1]);
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}
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printf("to init %d workers.\n", worker_num);
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pthread_spin_init(&worker_lock, PTHREAD_PROCESS_SHARED);
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for (i = 0; i < worker_num; i++) {
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pthread_spin_lock(&worker_lock);
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if(pthread_create(&hworker[i], NULL, loop, (void *)&i) < 0) {
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printf("create loop thread failed., errno:%d/%s\n",
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errno, strerror(errno));
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pthread_spin_unlock(&worker_lock);
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pthread_spin_destroy(&worker_lock);
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return -1;
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}
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sleep(5);
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}
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for (i = 0; i < worker_num; i++) {
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pthread_join(hworker[i], NULL);
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}
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pthread_spin_destroy(&worker_lock);
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return 0;
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}
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