Moved unused apps file into backyard.

backyard/apps/webserver/httpd-socket.c

@@ -0,0 +1,193 @@
+/*
+ * Copyright (c) 2004, Adam Dunkels.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ * $Id: httpd-socket.c,v 1.1 2007/05/26 22:18:48 oliverschmidt Exp $
+ */
+
+#include "contiki.h"
+#include "cfs.h"
+#include "socket.h"
+
+struct httpd_state {
+  struct socket sin, sout;
+  char inputbuf[100];
+  char filename[40];
+  char state;
+  int fd;
+  int ret;
+  char outputbuf[UIP_TCP_MSS];
+};
+
+#define STATE_WAITING 0
+#define STATE_OUTPUT  1
+
+#define SEND_STRING(s, str) SOCKET_SEND(s, str, strlen(str))
+MEMB(conns, struct httpd_state, 8);
+
+
+/*---------------------------------------------------------------------------*/
+static unsigned short
+generate(void *state)
+{
+  struct httpd_state *s = (struct httpd_state *)state;
+
+  memcpy(uip_appdata, s->outputbuf, s->ret);
+
+  return s->ret;
+}
+/*---------------------------------------------------------------------------*/
+static
+PT_THREAD(handle_output(struct httpd_state *s))
+{
+  char *ptr;
+  
+  SOCKET_BEGIN(&s->sout);
+
+  
+  s->fd = cfs_open(s->filename, CFS_READ);
+  if(s->fd < 0) {
+    SEND_STRING(&s->sout, "HTTP/1.0 404 Not found\r\n");
+    SOCKET_CLOSE_EXIT(&s->sout);
+  } else {
+    SEND_STRING(&s->sout, "HTTP/1.0 200 Found\r\n");
+  }
+  ptr = strrchr(s->filename, '.');
+  if(strncmp(".html", ptr, 5) == 0) {
+    SEND_STRING(&s->sout, "Content-type: text/html\r\n");
+  } else if(strncmp(".css", ptr, 4) == 0) {
+    SEND_STRING(&s->sout, "Content-type: text/css\r\n");
+  } else if(strncmp(".png", ptr, 4) == 0) {
+    SEND_STRING(&s->sout, "Content-type: image/png\r\n");
+  } else if(strncmp(".jpg", ptr, 4) == 0) {
+    SEND_STRING(&s->sout, "Content-type: image/jpeg\r\n");
+  } else {
+    SEND_STRING(&s->sout, "Content-type: text/plain\r\n");
+  }
+  SEND_STRING(&s->sout, "Server: Contiki/1.2-devel0\r\n\r\n");
+
+  do {
+    s->ret = cfs_read(s->fd, s->outputbuf, sizeof(s->outputbuf));
+    if(s->ret > 0) {
+      SOCKET_GENERATE_SEND(&s->sout, generate, s);
+      /*      SOCKET_SEND(&s->sout, s->outputbuf, s->ret);*/
+    }
+  } while(s->ret > 0);
+
+
+  cfs_close(s->filename);
+  SOCKET_CLOSE(&s->sout);
+  
+  SOCKET_END(&s->sout);
+}
+/*---------------------------------------------------------------------------*/
+static
+PT_THREAD(handle_input(struct httpd_state *s))
+{
+  SOCKET_BEGIN(&s->sin);
+
+  SOCKET_READTO(&s->sin, ' ');
+
+  
+  if(strncmp(s->inputbuf, "GET ", 4) != 0) {
+    SOCKET_CLOSE_EXIT(&s->sin);
+  }
+  SOCKET_READTO(&s->sin, ' ');
+
+  if(s->inputbuf[0] != '/') {
+    SOCKET_CLOSE_EXIT(&s->sin);
+  }
+
+  if(s->inputbuf[1] == ' ') {
+    strncpy(s->filename, "index.html", sizeof(s->filename));
+  } else {
+    s->inputbuf[SOCKET_DATALEN(&s->sin) - 1] = 0;
+    strncpy(s->filename, &s->inputbuf[1], sizeof(s->filename));
+  }
+
+  s->state = STATE_OUTPUT;
+
+  while(1) {
+    SOCKET_READTO(&s->sin, '\n');
+
+    if(strncmp(s->inputbuf, "Referer:", 8) == 0) {
+      s->inputbuf[SOCKET_DATALEN(&s->sin) - 2] = 0;
+      webserver_log(&s->inputbuf[9]);
+    }
+  }
+  
+  SOCKET_END(&s->sin);
+}
+/*---------------------------------------------------------------------------*/
+static void
+handle_connection(struct httpd_state *s)
+{
+  handle_input(s);
+  if(s->state == STATE_OUTPUT) {
+    handle_output(s);
+  }
+}
+/*---------------------------------------------------------------------------*/
+void
+httpd_appcall(void *state)
+{
+  struct httpd_state *s = (struct httpd_state *)state;
+
+
+  if(uip_closed() || uip_aborted() || uip_timedout()) {
+    if(s != NULL) {
+      memb_free(&conns, s);
+    }
+  } else if(uip_connected()) {
+    s = (struct httpd_state *)memb_alloc(&conns);
+    if(s == NULL) {
+      uip_abort();
+      return;
+    }
+    tcp_markconn(uip_conn, s);
+    SOCKET_INIT(&s->sin, s->inputbuf, sizeof(s->inputbuf) - 1);
+    SOCKET_INIT(&s->sout, s->inputbuf, sizeof(s->inputbuf) - 1);
+    s->state = STATE_WAITING;
+    handle_connection(s);
+  } else if(s != NULL) {
+    handle_connection(s);
+  } else {
+    uip_abort();
+  }
+}
+/*---------------------------------------------------------------------------*/
+void
+httpd_init(void)
+{
+  tcp_listen(HTONS(80));
+  memb_init(&conns);
+}
+/*---------------------------------------------------------------------------*/