1a9643ea8Slogwang #include <stdio.h>
2a9643ea8Slogwang #include <stdlib.h>
3a9643ea8Slogwang #include <stdint.h>
402610d58Slogwang #include <string.h>
5a9643ea8Slogwang #include <strings.h>
6a9643ea8Slogwang #include <sys/types.h>
7a9643ea8Slogwang #include <sys/socket.h>
8a9643ea8Slogwang #include <arpa/inet.h>
9a9643ea8Slogwang #include <errno.h>
10a9643ea8Slogwang #include <assert.h>
11a9643ea8Slogwang
12a9643ea8Slogwang #include "ff_config.h"
13a9643ea8Slogwang #include "ff_api.h"
14a9643ea8Slogwang
15a9643ea8Slogwang #define MAX_EVENTS 512
16a9643ea8Slogwang
17a9643ea8Slogwang /* kevent set */
18a9643ea8Slogwang struct kevent kevSet;
19a9643ea8Slogwang /* events */
20a9643ea8Slogwang struct kevent events[MAX_EVENTS];
21a9643ea8Slogwang /* kq */
22a9643ea8Slogwang int kq;
23a9643ea8Slogwang int sockfd;
24*e2391e5eSfengbojiang(姜凤波) #ifdef INET6
25*e2391e5eSfengbojiang(姜凤波) int sockfd6;
26*e2391e5eSfengbojiang(姜凤波) #endif
27a9643ea8Slogwang
28a9643ea8Slogwang char html[] =
29a9643ea8Slogwang "HTTP/1.1 200 OK\r\n"
30a9643ea8Slogwang "Server: F-Stack\r\n"
31a9643ea8Slogwang "Date: Sat, 25 Feb 2017 09:26:33 GMT\r\n"
32a9643ea8Slogwang "Content-Type: text/html\r\n"
33e8591dc5Sfengbojiang(姜凤波) "Content-Length: 438\r\n"
34a9643ea8Slogwang "Last-Modified: Tue, 21 Feb 2017 09:44:03 GMT\r\n"
35a9643ea8Slogwang "Connection: keep-alive\r\n"
36a9643ea8Slogwang "Accept-Ranges: bytes\r\n"
37a9643ea8Slogwang "\r\n"
38a9643ea8Slogwang "<!DOCTYPE html>\r\n"
39a9643ea8Slogwang "<html>\r\n"
40a9643ea8Slogwang "<head>\r\n"
41a9643ea8Slogwang "<title>Welcome to F-Stack!</title>\r\n"
42a9643ea8Slogwang "<style>\r\n"
43a9643ea8Slogwang " body { \r\n"
44a9643ea8Slogwang " width: 35em;\r\n"
45a9643ea8Slogwang " margin: 0 auto; \r\n"
46a9643ea8Slogwang " font-family: Tahoma, Verdana, Arial, sans-serif;\r\n"
47a9643ea8Slogwang " }\r\n"
48a9643ea8Slogwang "</style>\r\n"
49a9643ea8Slogwang "</head>\r\n"
50a9643ea8Slogwang "<body>\r\n"
51a9643ea8Slogwang "<h1>Welcome to F-Stack!</h1>\r\n"
52a9643ea8Slogwang "\r\n"
53a9643ea8Slogwang "<p>For online documentation and support please refer to\r\n"
54a9643ea8Slogwang "<a href=\"http://F-Stack.org/\">F-Stack.org</a>.<br/>\r\n"
55a9643ea8Slogwang "\r\n"
56a9643ea8Slogwang "<p><em>Thank you for using F-Stack.</em></p>\r\n"
57a9643ea8Slogwang "</body>\r\n"
58a9643ea8Slogwang "</html>";
59a9643ea8Slogwang
loop(void * arg)60a9643ea8Slogwang int loop(void *arg)
61a9643ea8Slogwang {
62a9643ea8Slogwang /* Wait for events to happen */
63a9643ea8Slogwang unsigned nevents = ff_kevent(kq, NULL, 0, events, MAX_EVENTS, NULL);
64a9643ea8Slogwang unsigned i;
65a9643ea8Slogwang
66a9643ea8Slogwang for (i = 0; i < nevents; ++i) {
67a9643ea8Slogwang struct kevent event = events[i];
68a9643ea8Slogwang int clientfd = (int)event.ident;
69a9643ea8Slogwang
70a9643ea8Slogwang /* Handle disconnect */
71a9643ea8Slogwang if (event.flags & EV_EOF) {
72a9643ea8Slogwang /* Simply close socket */
73a9643ea8Slogwang ff_close(clientfd);
74*e2391e5eSfengbojiang(姜凤波) #ifdef INET6
75*e2391e5eSfengbojiang(姜凤波) } else if (clientfd == sockfd || clientfd == sockfd6) {
76*e2391e5eSfengbojiang(姜凤波) #else
77a9643ea8Slogwang } else if (clientfd == sockfd) {
78*e2391e5eSfengbojiang(姜凤波) #endif
79b9e91cfdSlogwang int available = (int)event.data;
80b9e91cfdSlogwang do {
81*e2391e5eSfengbojiang(姜凤波) int nclientfd = ff_accept(clientfd, NULL, NULL);
8202610d58Slogwang if (nclientfd < 0) {
83b9e91cfdSlogwang printf("ff_accept failed:%d, %s\n", errno,
84b9e91cfdSlogwang strerror(errno));
85b9e91cfdSlogwang break;
8602610d58Slogwang }
87a9643ea8Slogwang
88a9643ea8Slogwang /* Add to event list */
89b9e91cfdSlogwang EV_SET(&kevSet, nclientfd, EVFILT_READ, EV_ADD, 0, 0, NULL);
90a9643ea8Slogwang
91b9e91cfdSlogwang if(ff_kevent(kq, &kevSet, 1, NULL, 0, NULL) < 0) {
92b9e91cfdSlogwang printf("ff_kevent error:%d, %s\n", errno,
93b9e91cfdSlogwang strerror(errno));
94b9e91cfdSlogwang return -1;
95b9e91cfdSlogwang }
96a9643ea8Slogwang
97b9e91cfdSlogwang available--;
98b9e91cfdSlogwang } while (available);
99a9643ea8Slogwang } else if (event.filter == EVFILT_READ) {
100a9643ea8Slogwang char buf[256];
101a9643ea8Slogwang size_t readlen = ff_read(clientfd, buf, sizeof(buf));
102a9643ea8Slogwang
103e8591dc5Sfengbojiang(姜凤波) ff_write(clientfd, html, sizeof(html) - 1);
104a9643ea8Slogwang } else {
1052dfcd880Swhl739 printf("unknown event: %8.8X\n", event.flags);
106a9643ea8Slogwang }
107a9643ea8Slogwang }
108a9643ea8Slogwang }
109a9643ea8Slogwang
main(int argc,char * argv[])110a9643ea8Slogwang int main(int argc, char * argv[])
111a9643ea8Slogwang {
112a02c88d6Slogwang ff_init(argc, argv);
113a9643ea8Slogwang
114*e2391e5eSfengbojiang(姜凤波) assert((kq = ff_kqueue()) > 0);
115*e2391e5eSfengbojiang(姜凤波)
116615f2d3cSlogwang sockfd = ff_socket(AF_INET, SOCK_STREAM, 0);
1171a527102Slogwang if (sockfd < 0) {
118*e2391e5eSfengbojiang(姜凤波) printf("ff_socket failed, sockfd:%d, errno:%d, %s\n", sockfd, errno, strerror(errno));
1191a527102Slogwang exit(1);
1201a527102Slogwang }
121a9643ea8Slogwang
122a9643ea8Slogwang struct sockaddr_in my_addr;
123a9643ea8Slogwang bzero(&my_addr, sizeof(my_addr));
124a9643ea8Slogwang my_addr.sin_family = AF_INET;
125a9643ea8Slogwang my_addr.sin_port = htons(80);
126a9643ea8Slogwang my_addr.sin_addr.s_addr = htonl(INADDR_ANY);
127a9643ea8Slogwang
128a9643ea8Slogwang int ret = ff_bind(sockfd, (struct linux_sockaddr *)&my_addr, sizeof(my_addr));
129a9643ea8Slogwang if (ret < 0) {
130*e2391e5eSfengbojiang(姜凤波) printf("ff_bind failed, sockfd:%d, errno:%d, %s\n", sockfd, errno, strerror(errno));
1311a527102Slogwang exit(1);
132a9643ea8Slogwang }
133a9643ea8Slogwang
134a9643ea8Slogwang ret = ff_listen(sockfd, MAX_EVENTS);
135a9643ea8Slogwang if (ret < 0) {
136*e2391e5eSfengbojiang(姜凤波) printf("ff_listen failed, sockfd:%d, errno:%d, %s\n", sockfd, errno, strerror(errno));
1371a527102Slogwang exit(1);
138a9643ea8Slogwang }
139a9643ea8Slogwang
140b9e91cfdSlogwang EV_SET(&kevSet, sockfd, EVFILT_READ, EV_ADD, 0, MAX_EVENTS, NULL);
141a9643ea8Slogwang /* Update kqueue */
142a9643ea8Slogwang ff_kevent(kq, &kevSet, 1, NULL, 0, NULL);
143a9643ea8Slogwang
144*e2391e5eSfengbojiang(姜凤波) #ifdef INET6
145*e2391e5eSfengbojiang(姜凤波) sockfd6 = ff_socket(AF_INET6, SOCK_STREAM, 0);
146*e2391e5eSfengbojiang(姜凤波) if (sockfd6 < 0) {
147*e2391e5eSfengbojiang(姜凤波) printf("ff_socket failed, sockfd6:%d, errno:%d, %s\n", sockfd6, errno, strerror(errno));
148*e2391e5eSfengbojiang(姜凤波) exit(1);
149*e2391e5eSfengbojiang(姜凤波) }
150*e2391e5eSfengbojiang(姜凤波)
151*e2391e5eSfengbojiang(姜凤波) struct sockaddr_in6 my_addr6;
152*e2391e5eSfengbojiang(姜凤波) bzero(&my_addr6, sizeof(my_addr6));
153*e2391e5eSfengbojiang(姜凤波) my_addr6.sin6_family = AF_INET6;
154*e2391e5eSfengbojiang(姜凤波) my_addr6.sin6_port = htons(80);
155*e2391e5eSfengbojiang(姜凤波) my_addr6.sin6_addr = in6addr_any;
156*e2391e5eSfengbojiang(姜凤波)
157*e2391e5eSfengbojiang(姜凤波) ret = ff_bind(sockfd6, (struct linux_sockaddr *)&my_addr6, sizeof(my_addr6));
158*e2391e5eSfengbojiang(姜凤波) if (ret < 0) {
159*e2391e5eSfengbojiang(姜凤波) printf("ff_bind failed, sockfd6:%d, errno:%d, %s\n", sockfd6, errno, strerror(errno));
160*e2391e5eSfengbojiang(姜凤波) exit(1);
161*e2391e5eSfengbojiang(姜凤波) }
162*e2391e5eSfengbojiang(姜凤波)
163*e2391e5eSfengbojiang(姜凤波) ret = ff_listen(sockfd6, MAX_EVENTS);
164*e2391e5eSfengbojiang(姜凤波) if (ret < 0) {
165*e2391e5eSfengbojiang(姜凤波) printf("ff_listen failed, sockfd6:%d, errno:%d, %s\n", sockfd6, errno, strerror(errno));
166*e2391e5eSfengbojiang(姜凤波) exit(1);
167*e2391e5eSfengbojiang(姜凤波) }
168*e2391e5eSfengbojiang(姜凤波)
169*e2391e5eSfengbojiang(姜凤波) EV_SET(&kevSet, sockfd6, EVFILT_READ, EV_ADD, 0, MAX_EVENTS, NULL);
170*e2391e5eSfengbojiang(姜凤波) ff_kevent(kq, &kevSet, 1, NULL, 0, NULL);
171*e2391e5eSfengbojiang(姜凤波) #endif
172*e2391e5eSfengbojiang(姜凤波)
173a9643ea8Slogwang ff_run(loop, NULL);
174a9643ea8Slogwang return 0;
175a9643ea8Slogwang }
176