| Travis Geiselbrecht | 1d0df69 | 2008-09-01 02:26:09 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2008 Travis Geiselbrecht |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining |
| 5 | * a copy of this software and associated documentation files |
| 6 | * (the "Software"), to deal in the Software without restriction, |
| 7 | * including without limitation the rights to use, copy, modify, merge, |
| 8 | * publish, distribute, sublicense, and/or sell copies of the Software, |
| 9 | * and to permit persons to whom the Software is furnished to do so, |
| 10 | * subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice shall be |
| 13 | * included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 16 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 19 | * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 20 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 21 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 22 | */ |
| 23 | #include <debug.h> |
| 24 | #include <string.h> |
| 25 | #include <kernel/thread.h> |
| 26 | #include <lwip/inet.h> |
| 27 | #include <lwip/sockets.h> |
| 28 | |
| 29 | static int listen_socket; |
| 30 | |
| 31 | static const char http_msg[] = |
| 32 | "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n" |
| 33 | "<html>\n" |
| 34 | "</html>\n"; |
| 35 | |
| 36 | static int handle_request(int socket) |
| 37 | { |
| 38 | unsigned char buf[64]; |
| 39 | int err; |
| 40 | |
| 41 | memset(buf, 0, sizeof(buf)); |
| 42 | err = lwip_read(socket, buf, sizeof(buf)); |
| 43 | dprintf("handle_request: read %d bytes from socket\n", err); |
| 44 | |
| 45 | lwip_write(socket, http_msg, sizeof(http_msg)); |
| 46 | |
| 47 | return 0; |
| 48 | } |
| 49 | |
| 50 | static int http_server_thread(void *arg) |
| 51 | { |
| 52 | int err; |
| 53 | int new_socket; |
| 54 | |
| 55 | listen_socket = lwip_socket(AF_INET, SOCK_STREAM, 0); |
| 56 | dprintf("listen_socket %d\n", listen_socket); |
| 57 | |
| 58 | struct sockaddr_in addr; |
| 59 | socklen_t addrlen; |
| 60 | |
| 61 | memset(&addr, 0, sizeof(addr)); |
| 62 | addr.sin_family = AF_INET; |
| 63 | addr.sin_addr.s_addr = htonl(INADDR_ANY); |
| 64 | addr.sin_port = htons(80); |
| 65 | |
| 66 | err = lwip_bind(listen_socket, (struct sockaddr *)&addr, sizeof(addr)); |
| 67 | dprintf("lwip_bind returns %d\n", err); |
| 68 | |
| 69 | err = lwip_listen(listen_socket, 4); |
| 70 | dprintf("lwip_listen returns %d\n", err); |
| 71 | |
| 72 | while ((new_socket = lwip_accept(listen_socket, (struct sockaddr *)&addr, &addrlen) >= 0)) { |
| 73 | dprintf("new connection on socket %d\n", new_socket); |
| 74 | handle_request(new_socket); |
| 75 | lwip_close(new_socket); |
| 76 | } |
| 77 | |
| 78 | dprintf("http server shutting down\n"); |
| 79 | |
| 80 | lwip_close(listen_socket); |
| 81 | |
| 82 | return 0; |
| 83 | } |
| 84 | |
| 85 | int httpd_init(void) |
| 86 | { |
| 87 | thread_resume(thread_create("httpd server", &http_server_thread, NULL, DEFAULT_PRIORITY + 5, DEFAULT_STACK_SIZE)); |
| 88 | |
| 89 | return 0; |
| 90 | } |
| 91 | |