| /* |
| * Copyright (c) 2008 Travis Geiselbrecht |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files |
| * (the "Software"), to deal in the Software without restriction, |
| * including without limitation the rights to use, copy, modify, merge, |
| * publish, distribute, sublicense, and/or sell copies of the Software, |
| * and to permit persons to whom the Software is furnished to do so, |
| * subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| #include <debug.h> |
| #include <string.h> |
| #include <kernel/thread.h> |
| #include <lwip/inet.h> |
| #include <lwip/sockets.h> |
| |
| static int listen_socket; |
| |
| static const char http_msg[] = |
| "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n" |
| "<html>\n" |
| "</html>\n"; |
| |
| static int handle_request(int socket) |
| { |
| unsigned char buf[64]; |
| int err; |
| |
| memset(buf, 0, sizeof(buf)); |
| err = lwip_read(socket, buf, sizeof(buf)); |
| dprintf("handle_request: read %d bytes from socket\n", err); |
| |
| lwip_write(socket, http_msg, sizeof(http_msg)); |
| |
| return 0; |
| } |
| |
| static int http_server_thread(void *arg) |
| { |
| int err; |
| int new_socket; |
| |
| listen_socket = lwip_socket(AF_INET, SOCK_STREAM, 0); |
| dprintf("listen_socket %d\n", listen_socket); |
| |
| struct sockaddr_in addr; |
| socklen_t addrlen; |
| |
| memset(&addr, 0, sizeof(addr)); |
| addr.sin_family = AF_INET; |
| addr.sin_addr.s_addr = htonl(INADDR_ANY); |
| addr.sin_port = htons(80); |
| |
| err = lwip_bind(listen_socket, (struct sockaddr *)&addr, sizeof(addr)); |
| dprintf("lwip_bind returns %d\n", err); |
| |
| err = lwip_listen(listen_socket, 4); |
| dprintf("lwip_listen returns %d\n", err); |
| |
| while ((new_socket = lwip_accept(listen_socket, (struct sockaddr *)&addr, &addrlen) >= 0)) { |
| dprintf("new connection on socket %d\n", new_socket); |
| handle_request(new_socket); |
| lwip_close(new_socket); |
| } |
| |
| dprintf("http server shutting down\n"); |
| |
| lwip_close(listen_socket); |
| |
| return 0; |
| } |
| |
| int httpd_init(void) |
| { |
| thread_resume(thread_create("httpd server", &http_server_thread, NULL, DEFAULT_PRIORITY + 5, DEFAULT_STACK_SIZE)); |
| |
| return 0; |
| } |
| |