Tcp F-stack客户端未连接到F-stack服务器
我正在尝试通过dpdk(19.08)上的F-stack建立tcp连接。F-stack包中给出的示例创建了服务器,但当我尝试从同一台或另一台pc连接该端口时,它没有响应任何内容。在netstat中,它仍然显示服务器正在侦听,但我无法从客户端应用程序连接。我尝试了使用n而不使用F-stack(例如Winshock客户端应用程序)的客户端应用程序,但效果不佳。这是我的F-stack客户端代码Tcp F-stack客户端未连接到F-stack服务器,tcp,server,client,Tcp,Server,Client,我正在尝试通过dpdk(19.08)上的F-stack建立tcp连接。F-stack包中给出的示例创建了服务器,但当我尝试从同一台或另一台pc连接该端口时,它没有响应任何内容。在netstat中,它仍然显示服务器正在侦听,但我无法从客户端应用程序连接。我尝试了使用n而不使用F-stack(例如Winshock客户端应用程序)的客户端应用程序,但效果不佳。这是我的F-stack客户端代码 #include <stdio.h> #include <sys/ioctl.h> #
#include <stdio.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 <errno.h>
#include <assert.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];
int epfd;
int sockfd;
char html[] =
"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>";
struct sockaddr_in my_addr;
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, (struct linux_sockaddr *)&my_addr, sizeof(my_addr));
if (nclientfd < 0) {
break;
}
/* 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) {
char buf[256];
size_t readlen = ff_read( events[i].data.fd, buf, sizeof(buf));
if(readlen > 0) {
ff_write( events[i].data.fd, html, sizeof(html) - 1);
} 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);
}
}
}
}
int main(int argc, char * argv[])
{
ff_init(argc, 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);
bzero(&my_addr, sizeof(my_addr));
my_addr.sin_family = AF_INET;
my_addr.sin_port = htons(15231);
my_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
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_connect(sockfd, (struct linux_sockaddr *)&my_addr, sizeof(my_addr)) == -1); //ff_connect
if (ret < 0) {
printf("ff_listen failed\n");
exit(1);
}
assert((epfd = ff_epoll_create(0)) > 0);
ev.data.fd = sockfd;
ev.events = EPOLLIN;
ff_epoll_ctl(epfd, EPOLL_CTL_ADD, sockfd, &ev);
ff_run(loop, NULL);
return 0;
}
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\r\n“
“\r\n”
“感谢您使用F-Stack。\r\n”
“\r\n”
"";
我的地址中的结构sockaddr\u;
整数循环(void*arg)
{
/*等待事件发生*/
int nevents=ff_epoll_wait(epfd,事件,最大事件,0);
int i;
对于(i=0;i0){
ff_write(events[i].data.fd、html、sizeof(html)-1);
}否则{
ff_epoll_ctl(epfd,epoll_ctl_DEL,事件[i].data.fd,NULL);
ff_close(事件[i].data.fd);
}
}否则{
printf(“未知事件:%8.8X\n”,事件[i]。事件);
}
}
}
}
int main(int argc,char*argv[])
{
ff_init(argc,argv);
sockfd=ff_套接字(AF_INET,SOCK_STREAM,0);
printf(“sockfd:%d\n”,sockfd);
if(sockfd<0){
printf(“ff_套接字失败\n”);
出口(1);
}
int on=1;
ff_ioctl(sockfd、FIONBIO和on);
bzero(&my_addr,sizeof(my_addr));
我的地址sin家庭=AFINET;
my_addr.sin_port=htons(15231);
my_addr.sin_addr.s_addr=inet_addr(“127.0.0.1”);
int ret=ff_bind(sockfd,(struct linux_sockaddr*)和my_addr,sizeof(my_addr));
如果(ret<0){
printf(“ff_绑定失败\n”);
出口(1);
}
ret=(ff_connect(sockfd,(struct linux_sockaddr*)和my_addr,sizeof(my_addr))==-1);//ff_connect
如果(ret<0){
printf(“ff_侦听失败\n”);
出口(1);
}
断言((epfd=ff_epoll_create(0))>0);
ev.data.fd=sockfd;
ev.events=依泊林;
ff_epoll_ctl(epfd、epoll_ctl_ADD、sockfd和ev);
ff_运行(循环,空);
返回0;
}