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f-stack/example/main_zc.c

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Support zero copy while call `ff_write`, you can enable it by modify ‘FF_ZC_SEND=1' in `lib/Makefile`. `FF_ZC_SEND` is same as `FF_USE_PAGE_ARRAY`, it will improve performance slightly in some scenarios, need to be tested in combination with real applications. You can enable both compilation options at the same time or separately.
2022-04-15 10:00:49 +00:00
#include <stdio.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 <errno.h>
#include <assert.h>
#include "ff_config.h"
#include "ff_api.h"
#define MAX_EVENTS 512
/* kevent set */
struct kevent kevSet;
/* events */
struct kevent events[MAX_EVENTS];
/* kq */
int kq;
int sockfd;
#ifdef INET6
int sockfd6;
#endif
Code formatting fine-tuning for `example/main_zc`.
2023-02-17 11:09:53 +00:00
char html[] =
Support zero copy while call `ff_write`, you can enable it by modify ‘FF_ZC_SEND=1' in `lib/Makefile`. `FF_ZC_SEND` is same as `FF_USE_PAGE_ARRAY`, it will improve performance slightly in some scenarios, need to be tested in combination with real applications. You can enable both compilation options at the same time or separately.
2022-04-15 10:00:49 +00:00
"HTTP/1.1 200 OK\r\n"
"Server: F-Stack\r\n"
"Date: Sat, 25 Feb 2017 09:26:33 GMT\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 438\r\n"
"Last-Modified: Tue, 21 Feb 2017 09:44:03 GMT\r\n"
"Connection: keep-alive\r\n"
"Accept-Ranges: bytes\r\n"
"\r\n"
"<!DOCTYPE html>\r\n"
"<html>\r\n"
"<head>\r\n"
"<title>Welcome to F-Stack!</title>\r\n"
"<style>\r\n"
" body { \r\n"
" width: 35em;\r\n"
" margin: 0 auto; \r\n"
" font-family: Tahoma, Verdana, Arial, sans-serif;\r\n"
" }\r\n"
"</style>\r\n"
"</head>\r\n"
"<body>\r\n"
"<h1>Welcome to F-Stack!</h1>\r\n"
"\r\n"
"<p>For online documentation and support please refer to\r\n"
"<a href=\"http://F-Stack.org/\">F-Stack.org</a>.<br/>\r\n"
"\r\n"
"<p><em>Thank you for using F-Stack.</em></p>\r\n"
"</body>\r\n"
"</html>";
Code formatting fine-tuning for `example/main_zc`.
2023-02-17 11:09:53 +00:00
char html1[] =
Support zero copy while call `ff_write`, you can enable it by modify ‘FF_ZC_SEND=1' in `lib/Makefile`. `FF_ZC_SEND` is same as `FF_USE_PAGE_ARRAY`, it will improve performance slightly in some scenarios, need to be tested in combination with real applications. You can enable both compilation options at the same time or separately.
2022-04-15 10:00:49 +00:00
"HTTP/1.1 200 OK\r\n"
"Server: F-Stack\r\n"
"Date: Sat, 25 Feb 2017 09:26:33 GMT\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 9438\r\n"
"Last-Modified: Tue, 21 Feb 2017 09:44:03 GMT\r\n"
"Connection: keep-alive\r\n"
"Accept-Ranges: bytes\r\n"
"\r\n"
"<!DOCTYPE html>\r\n"
"<html>\r\n"
"<head>\r\n"
"<title>Welcome to F-Stack!</title>\r\n"
"<style>\r\n"
" body { \r\n"
" width: 35em;\r\n"
" margin: 0 auto; \r\n"
" font-family: Tahoma, Verdana, Arial, sans-serif;\r\n"
" }\r\n"
"</style>\r\n"
"</head>\r\n"
"<body>\r\n"
"<h1>Welcome to F-Stack!</h1>\r\n"
"\r\n"
"<p>For online documentation and support please refer to012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234"
"5678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234"
"56789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789\r\n"
"<a href=\"http://F-Stack.org/\">F-Stack.org</a>.<br/>\r\n"
"\r\n"
"<p><em>Thank you for using F-Stack.</em></p>\r\n"
"</body>\r\n"
"</html>";
Code formatting fine-tuning for `example/main_zc`.
2023-02-17 11:09:53 +00:00
char html2[] =
Support zero copy while call `ff_write`, you can enable it by modify ‘FF_ZC_SEND=1' in `lib/Makefile`. `FF_ZC_SEND` is same as `FF_USE_PAGE_ARRAY`, it will improve performance slightly in some scenarios, need to be tested in combination with real applications. You can enable both compilation options at the same time or separately.
2022-04-15 10:00:49 +00:00
"HTTP/1.1 200 OK\r\n"
"Server: F-Stack\r\n"
"Date: Sat, 25 Feb 2017 09:26:33 GMT\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 1228\r\n"
"Last-Modified: Tue, 21 Feb 2017 09:44:03 GMT\r\n"
"Connection: keep-alive\r\n"
"Accept-Ranges: bytes\r\n"
"\r\n"
"<!DOCTYPE html>\r\n"
"<html>\r\n"
"<head>\r\n"
"<title>Welcome to F-Stack!</title>\r\n"
"<style>\r\n"
" body { \r\n"
" width: 35em;\r\n"
" margin: 0 auto; \r\n"
" font-family: Tahoma, Verdana, Arial, sans-serif;\r\n"
" }\r\n"
"</style>\r\n"
"</head>\r\n"
"<body>\r\n"
"<h1>Welcome to F-Stack!</h1>\r\n"
"\r\n"
"<p>For online documentation and support please refer to0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789\r\n"
"<a href=\"http://F-Stack.org/\">F-Stack.org</a>.<br/>\r\n"
"\r\n"
"<p><em>Thank you for using F-Stack.</em></p>\r\n"
"</body>\r\n"
"</html>";
extern int ff_zc_mbuf_get(struct ff_zc_mbuf *m, int len);
extern int ff_zc_mbuf_write(struct ff_zc_mbuf *m, const char *data, int len);
char *buf_tmp;
char html_buf[10240];
size_t buf_len = 0;
struct ff_zc_mbuf zc_buf;
int loop(void *arg)
{
/* Wait for events to happen */
unsigned nevents = ff_kevent(kq, NULL, 0, events, MAX_EVENTS, NULL);
unsigned i;
buf_len = sizeof(html) - 1;
buf_tmp = html;
for (i = 0; i < nevents; ++i) {
struct kevent event = events[i];
int clientfd = (int)event.ident;
/* Handle disconnect */
if (event.flags & EV_EOF) {
/* Simply close socket */
ff_close(clientfd);
#ifdef INET6
} else if (clientfd == sockfd || clientfd == sockfd6) {
#else
} else if (clientfd == sockfd) {
#endif
int available = (int)event.data;
do {
int nclientfd = ff_accept(clientfd, NULL, NULL);
if (nclientfd < 0) {
printf("ff_accept failed:%d, %s\n", errno,
strerror(errno));
break;
}
/* Add to event list */
EV_SET(&kevSet, nclientfd, EVFILT_READ, EV_ADD, 0, 0, NULL);
if(ff_kevent(kq, &kevSet, 1, NULL, 0, NULL) < 0) {
printf("ff_kevent error:%d, %s\n", errno,
strerror(errno));
return -1;
}
available--;
} while (available);
} else if (event.filter == EVFILT_READ) {
char buf[256];
size_t readlen = ff_read(clientfd, buf, sizeof(buf));
#ifdef FSTACK_ZC_SEND
int ret = ff_zc_mbuf_get(&zc_buf, buf_len);
if (ret < 0) {
printf("ff_zc_mbuf_get failed, len:%d, errno:%d, %s\n", buf_len, errno, strerror(errno));
exit(1);
}
/* APP can call ff_zc_mbuf_write multi times */
int len_part = 1440, off, to_write_len;
for (off = 0; off < buf_len;){
to_write_len = (buf_len - off) > len_part ? len_part : (buf_len - off);
ret = ff_zc_mbuf_write(&zc_buf, (const char *)buf_tmp + off, to_write_len);
if (ret != to_write_len) {
printf("ff_zc_mbuf_write failed, len:%d, errno:%d, %s\n", to_write_len, errno, strerror(errno));
exit(1);
}
Code formatting fine-tuning for `example/main_zc`.
2023-02-17 11:09:53 +00:00
off += to_write_len;
Support zero copy while call `ff_write`, you can enable it by modify ‘FF_ZC_SEND=1' in `lib/Makefile`. `FF_ZC_SEND` is same as `FF_USE_PAGE_ARRAY`, it will improve performance slightly in some scenarios, need to be tested in combination with real applications. You can enable both compilation options at the same time or separately.
2022-04-15 10:00:49 +00:00
}
/* Or call ff_zc_mbuf_write one time */
/*
if (ret != buf_len) {
printf("ff_zc_mbuf_write failed, len:%d, errno:%d, %s\n", buf_len, errno, strerror(errno));
exit(1);
}
*/
/* Simulate the application load */
int i, j = 0;
for (i = 0; i < 10000; i++){
j++;
}
ff_write(clientfd, zc_buf.bsd_mbuf, buf_len);
#else
memcpy(html_buf, buf_tmp, buf_len);
/* Simulate the application load */
int i, j = 0;
for (i = 0; i < 10000; i++){
j++;
}
ff_write(clientfd, html_buf, buf_len);
#endif
} else {
printf("unknown event: %8.8X\n", event.flags);
}
}
}
int main(int argc, char * argv[])
{
ff_init(argc, argv);
assert((kq = ff_kqueue()) > 0);
sockfd = ff_socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0) {
printf("ff_socket failed, sockfd:%d, errno:%d, %s\n", sockfd, errno, strerror(errno));
exit(1);
}
struct sockaddr_in my_addr;
bzero(&my_addr, sizeof(my_addr));
my_addr.sin_family = AF_INET;
my_addr.sin_port = htons(80);
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, sockfd:%d, errno:%d, %s\n", sockfd, errno, strerror(errno));
exit(1);
}
ret = ff_listen(sockfd, MAX_EVENTS);
if (ret < 0) {
printf("ff_listen failed, sockfd:%d, errno:%d, %s\n", sockfd, errno, strerror(errno));
exit(1);
}
EV_SET(&kevSet, sockfd, EVFILT_READ, EV_ADD, 0, MAX_EVENTS, NULL);
/* Update kqueue */
ff_kevent(kq, &kevSet, 1, NULL, 0, NULL);
#ifdef INET6
sockfd6 = ff_socket(AF_INET6, SOCK_STREAM, 0);
if (sockfd6 < 0) {
printf("ff_socket failed, sockfd6:%d, errno:%d, %s\n", sockfd6, errno, strerror(errno));
exit(1);
}
struct sockaddr_in6 my_addr6;
bzero(&my_addr6, sizeof(my_addr6));
my_addr6.sin6_family = AF_INET6;
my_addr6.sin6_port = htons(80);
my_addr6.sin6_addr = in6addr_any;
ret = ff_bind(sockfd6, (struct linux_sockaddr *)&my_addr6, sizeof(my_addr6));
if (ret < 0) {
printf("ff_bind failed, sockfd6:%d, errno:%d, %s\n", sockfd6, errno, strerror(errno));
exit(1);
}
ret = ff_listen(sockfd6, MAX_EVENTS);
if (ret < 0) {
printf("ff_listen failed, sockfd6:%d, errno:%d, %s\n", sockfd6, errno, strerror(errno));
exit(1);
}
EV_SET(&kevSet, sockfd6, EVFILT_READ, EV_ADD, 0, MAX_EVENTS, NULL);
ff_kevent(kq, &kevSet, 1, NULL, 0, NULL);
#endif
ff_run(loop, NULL);
return 0;
}