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; 24a9643ea8Slogwang 25a9643ea8Slogwang char html[] = 26a9643ea8Slogwang "HTTP/1.1 200 OK\r\n" 27a9643ea8Slogwang "Server: F-Stack\r\n" 28a9643ea8Slogwang "Date: Sat, 25 Feb 2017 09:26:33 GMT\r\n" 29a9643ea8Slogwang "Content-Type: text/html\r\n" 30a9643ea8Slogwang "Content-Length: 439\r\n" 31a9643ea8Slogwang "Last-Modified: Tue, 21 Feb 2017 09:44:03 GMT\r\n" 32a9643ea8Slogwang "Connection: keep-alive\r\n" 33a9643ea8Slogwang "Accept-Ranges: bytes\r\n" 34a9643ea8Slogwang "\r\n" 35a9643ea8Slogwang "<!DOCTYPE html>\r\n" 36a9643ea8Slogwang "<html>\r\n" 37a9643ea8Slogwang "<head>\r\n" 38a9643ea8Slogwang "<title>Welcome to F-Stack!</title>\r\n" 39a9643ea8Slogwang "<style>\r\n" 40a9643ea8Slogwang " body { \r\n" 41a9643ea8Slogwang " width: 35em;\r\n" 42a9643ea8Slogwang " margin: 0 auto; \r\n" 43a9643ea8Slogwang " font-family: Tahoma, Verdana, Arial, sans-serif;\r\n" 44a9643ea8Slogwang " }\r\n" 45a9643ea8Slogwang "</style>\r\n" 46a9643ea8Slogwang "</head>\r\n" 47a9643ea8Slogwang "<body>\r\n" 48a9643ea8Slogwang "<h1>Welcome to F-Stack!</h1>\r\n" 49a9643ea8Slogwang "\r\n" 50a9643ea8Slogwang "<p>For online documentation and support please refer to\r\n" 51a9643ea8Slogwang "<a href=\"http://F-Stack.org/\">F-Stack.org</a>.<br/>\r\n" 52a9643ea8Slogwang "\r\n" 53a9643ea8Slogwang "<p><em>Thank you for using F-Stack.</em></p>\r\n" 54a9643ea8Slogwang "</body>\r\n" 55a9643ea8Slogwang "</html>"; 56a9643ea8Slogwang 57a9643ea8Slogwang int loop(void *arg) 58a9643ea8Slogwang { 59a9643ea8Slogwang /* Wait for events to happen */ 60a9643ea8Slogwang unsigned nevents = ff_kevent(kq, NULL, 0, events, MAX_EVENTS, NULL); 61a9643ea8Slogwang unsigned i; 62a9643ea8Slogwang 63a9643ea8Slogwang for (i = 0; i < nevents; ++i) { 64a9643ea8Slogwang struct kevent event = events[i]; 65a9643ea8Slogwang int clientfd = (int)event.ident; 66a9643ea8Slogwang 67a9643ea8Slogwang /* Handle disconnect */ 68a9643ea8Slogwang if (event.flags & EV_EOF) { 69a9643ea8Slogwang /* Simply close socket */ 70a9643ea8Slogwang ff_close(clientfd); 71a9643ea8Slogwang } else if (clientfd == sockfd) { 72*b9e91cfdSlogwang int available = (int)event.data; 73*b9e91cfdSlogwang do { 74a9643ea8Slogwang int nclientfd = ff_accept(sockfd, NULL, NULL); 7502610d58Slogwang if (nclientfd < 0) { 76*b9e91cfdSlogwang printf("ff_accept failed:%d, %s\n", errno, 77*b9e91cfdSlogwang strerror(errno)); 78*b9e91cfdSlogwang break; 7902610d58Slogwang } 80a9643ea8Slogwang 81a9643ea8Slogwang /* Add to event list */ 82*b9e91cfdSlogwang EV_SET(&kevSet, nclientfd, EVFILT_READ, EV_ADD, 0, 0, NULL); 83a9643ea8Slogwang 84*b9e91cfdSlogwang if(ff_kevent(kq, &kevSet, 1, NULL, 0, NULL) < 0) { 85*b9e91cfdSlogwang printf("ff_kevent error:%d, %s\n", errno, 86*b9e91cfdSlogwang strerror(errno)); 87*b9e91cfdSlogwang return -1; 88*b9e91cfdSlogwang } 89a9643ea8Slogwang 90*b9e91cfdSlogwang available--; 91*b9e91cfdSlogwang } while (available); 92a9643ea8Slogwang } else if (event.filter == EVFILT_READ) { 93a9643ea8Slogwang char buf[256]; 94a9643ea8Slogwang size_t readlen = ff_read(clientfd, buf, sizeof(buf)); 95a9643ea8Slogwang 96a9643ea8Slogwang ff_write(clientfd, html, sizeof(html)); 97a9643ea8Slogwang } else { 982dfcd880Swhl739 printf("unknown event: %8.8X\n", event.flags); 99a9643ea8Slogwang } 100a9643ea8Slogwang } 101a9643ea8Slogwang } 102a9643ea8Slogwang 103a9643ea8Slogwang int main(int argc, char * argv[]) 104a9643ea8Slogwang { 105a02c88d6Slogwang ff_init(argc, argv); 106a9643ea8Slogwang 107615f2d3cSlogwang sockfd = ff_socket(AF_INET, SOCK_STREAM, 0); 108a9643ea8Slogwang printf("sockfd:%d\n", sockfd); 1091a527102Slogwang if (sockfd < 0) { 110a9643ea8Slogwang printf("ff_socket failed\n"); 1111a527102Slogwang exit(1); 1121a527102Slogwang } 113a9643ea8Slogwang 114a9643ea8Slogwang struct sockaddr_in my_addr; 115a9643ea8Slogwang bzero(&my_addr, sizeof(my_addr)); 116a9643ea8Slogwang my_addr.sin_family = AF_INET; 117a9643ea8Slogwang my_addr.sin_port = htons(80); 118a9643ea8Slogwang my_addr.sin_addr.s_addr = htonl(INADDR_ANY); 119a9643ea8Slogwang 120a9643ea8Slogwang int ret = ff_bind(sockfd, (struct linux_sockaddr *)&my_addr, sizeof(my_addr)); 121a9643ea8Slogwang if (ret < 0) { 122a9643ea8Slogwang printf("ff_bind failed\n"); 1231a527102Slogwang exit(1); 124a9643ea8Slogwang } 125a9643ea8Slogwang 126a9643ea8Slogwang ret = ff_listen(sockfd, MAX_EVENTS); 127a9643ea8Slogwang if (ret < 0) { 128a9643ea8Slogwang printf("ff_listen failed\n"); 1291a527102Slogwang exit(1); 130a9643ea8Slogwang } 131a9643ea8Slogwang 132*b9e91cfdSlogwang EV_SET(&kevSet, sockfd, EVFILT_READ, EV_ADD, 0, MAX_EVENTS, NULL); 133a9643ea8Slogwang 134a9643ea8Slogwang assert((kq = ff_kqueue()) > 0); 135a9643ea8Slogwang 136a9643ea8Slogwang /* Update kqueue */ 137a9643ea8Slogwang ff_kevent(kq, &kevSet, 1, NULL, 0, NULL); 138a9643ea8Slogwang 139a9643ea8Slogwang ff_run(loop, NULL); 140a9643ea8Slogwang return 0; 141a9643ea8Slogwang } 142