153 lines
3.7 KiB
C
153 lines
3.7 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.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 <arpa/inet.h>
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#include <errno.h>
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#include <assert.h>
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#include "ff_config.h"
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#include "ff_api.h"
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#define MAX_EVENTS 512
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/* kevent set */
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struct kevent kevSet;
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/* events */
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struct kevent events[MAX_EVENTS];
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/* kq */
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int kq;
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int sockfd;
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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: 439\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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int loop(void *arg)
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{
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/* Wait for events to happen */
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unsigned nevents = ff_kevent(kq, NULL, 0, events, MAX_EVENTS, NULL);
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unsigned i;
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for (i = 0; i < nevents; ++i) {
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struct kevent event = events[i];
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int clientfd = (int)event.ident;
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/* Handle disconnect */
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if (event.flags & EV_EOF) {
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/* Simply close socket */
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ff_close(clientfd);
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fprintf(stderr, "A client has left the server...,fd:%d\n", clientfd);
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} else if (clientfd == sockfd) {
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int nclientfd = ff_accept(sockfd, NULL, NULL);
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assert(nclientfd > 0);
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/* Add to event list */
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kevSet.data = 0;
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kevSet.fflags = 0;
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kevSet.filter = EVFILT_READ;
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kevSet.flags = EV_ADD;
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kevSet.ident = nclientfd;
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kevSet.udata = NULL;
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assert(ff_kevent(kq, &kevSet, 1, NULL, 0, NULL) == 0);
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fprintf(stderr, "A new client connected to the server..., fd:%d\n", nclientfd);
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} else if (event.filter == EVFILT_READ) {
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char buf[256];
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size_t readlen = ff_read(clientfd, buf, sizeof(buf));
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fprintf(stderr, "bytes %zu are available to read...,fd:%d\n", (size_t)event.data, clientfd);
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ff_write(clientfd, html, sizeof(html));
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} else {
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fprintf(stderr, "unknown event: %8.8X\n", event.flags);
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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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char *conf;
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if (argc < 2) {
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conf = "./config.ini";
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} else {
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conf = argv[1];
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}
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ff_init(conf, argc, argv);
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int sockfd = ff_socket(AF_INET, SOCK_STREAM, 0);
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printf("sockfd:%d\n", sockfd);
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if (sockfd < 0)
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printf("ff_socket failed\n");
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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 = ff_bind(sockfd, (struct linux_sockaddr *)&my_addr, sizeof(my_addr));
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if (ret < 0) {
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printf("ff_bind failed\n");
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}
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ret = ff_listen(sockfd, MAX_EVENTS);
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if (ret < 0) {
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printf("ff_listen failed\n");
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}
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kevSet.data = MAX_EVENTS;
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kevSet.fflags = 0;
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kevSet.filter = EVFILT_READ;
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kevSet.flags = EV_ADD;
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kevSet.ident = sockfd;
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kevSet.udata = NULL;
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assert((kq = ff_kqueue()) > 0);
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/* Update kqueue */
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ff_kevent(kq, &kevSet, 1, NULL, 0, NULL);
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ff_run(loop, NULL);
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return 0;
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}
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