Fix avr progmem string accesses, add DEBUGLOGIC, configure sky defaults

apps/webserver-nano/httpd-fs.c

@@ -58,27 +58,6 @@ httpd_fs_get_size()
   return HTTPD_FS_SIZE;
 }
 /*-----------------------------------------------------------------------------------*/
-static u8_t
-httpd_fs_strcmp(const char *str1, const char *str2)
-{
-  u8_t i;
-  i = 0;
-
-loop:
-  if(str2[i] == 0 ||
-     str1[i] == '\r' || 
-     str1[i] == '\n') {
-    return 0;
-  }
-
-  if(str1[i] != str2[i]) {
-    return 1;
-  }
-
-  ++i;
-  goto loop;
-}
-/*-----------------------------------------------------------------------------------*/
 uint16_t
 httpd_fs_open(const char *name, struct httpd_fs_file *file)
 {

apps/webserver-nano/httpd.c

@@ -355,6 +355,9 @@ PT_THREAD(handle_output(struct httpd_state *s))
   char *ptr;
   
   PT_BEGIN(&s->outputpt);
+#if DEBUGLOGIC
+   httpd_strcpy(s->filename,httpd_indexfn);
+#endif
   if(!httpd_fs_open(s->filename, &s->file)) {
 #if WEBSERVER_CONF_INCLUDE || WEBSERVER_CONF_CGI
     /* If index.html not found try index.shtml */
@@ -410,22 +413,22 @@ PT_THREAD(handle_input(struct httpd_state *s))
   if(s->inputbuf[1] == ISO_space) {
     httpd_strcpy(s->filename, httpd_indexfn);
   } else {
-    s->inputbuf[PSOCK_DATALEN(&s->sin) - 1] = 0;
+    uint8_t i;
-    strncpy(s->filename, &s->inputbuf[0], sizeof(s->filename));
-#if WEBSERVER_CONF_PASSQUERY
-/* Query string is left in the buffer until zeroed by the application! */
-{uint8_t i;
     for (i=0;i<sizeof(s->filename)+1;i++) {
+      if (i >= (PSOCK_DATALEN(&s->sin)-1)) break;
       if (s->inputbuf[i]==ISO_space) break;	
+ #if WEBSERVER_CONF_PASSQUERY
+     /* Query string is left in the httpd_query buffer until zeroed by the application! */
       if (s->inputbuf[i]==ISO_qmark) {
-         s->inputbuf[i]=0;
          strncpy(httpd_query,&s->inputbuf[i+1],sizeof(httpd_query)); 
-//		 raven_lcd_show_text(&s->inputbuf[i]);
+         break;
       }
-    }
-}
 #endif
+      s->filename[i]=s->inputbuf[i];
+    }
+    s->filename[i]=0;
   }
+
 #if WEBSERVER_CONF_LOG
   webserver_log_file(&uip_conn->ripaddr, s->filename);
 //  webserver_log(httpd_query);
@@ -447,6 +450,9 @@ PT_THREAD(handle_input(struct httpd_state *s))
 static void
 handle_connection(struct httpd_state *s)
 {
+#if DEBUGLOGIC
+  handle_output(s);
+#endif
   handle_input(s);
   if(s->state == STATE_OUTPUT) {
     handle_output(s);
@@ -456,6 +462,11 @@ handle_connection(struct httpd_state *s)
 void
 httpd_appcall(void *state)
 {
+#if DEBUGLOGIC
+  struct httpd_state *s;   //Enter here for debugging with output directed to TCPBUF
+  s = sg = (struct httpd_state *)memb_alloc(&conns);
+  if (1) {
+#else
   struct httpd_state *s = (struct httpd_state *)state;
   if(uip_closed() || uip_aborted() || uip_timedout()) {
     if(s != NULL) {
@@ -467,6 +478,7 @@ httpd_appcall(void *state)
       uip_abort();
       return;
     }
+#endif
     tcp_markconn(uip_conn, s);
     PSOCK_INIT(&s->sin, (uint8_t *)s->inputbuf, sizeof(s->inputbuf) - 1);
     PSOCK_INIT(&s->sout, (uint8_t *)s->inputbuf, sizeof(s->inputbuf) - 1);

apps/webserver-nano/httpd.h

@@ -44,6 +44,7 @@
  * The RAM needed for each entry depends on script enabling and buffer sizes; see struct httpd_state below.
  * Typical range is 100 - 200 bytes per connection
  */
+#if CONTIKI_TARGET_SKY
 #define WEBSERVER_CONF_CONNS     2
 #define WEBSERVER_CONF_NAMESIZE 16
 #define WEBSERVER_CONF_BUFSIZE  40
@@ -83,6 +84,47 @@ extern char httpd_query[WEBSERVER_CONF_PASSQUERY];
 /* Include referrer in log */
 #define WEBSERVER_CONF_REFERER   0
 
+#else /* !sky */
+#define WEBSERVER_CONF_CONNS     6
+#define WEBSERVER_CONF_NAMESIZE 20
+#define WEBSERVER_CONF_BUFSIZE  40
+/* Allow include in .shtml pages, e.g. %!: /header.html */
+#define WEBSERVER_CONF_INCLUDE   1
+/* Allow cgi in .shtml pages, e.g. %! file-stats . */
+#define WEBSERVER_CONF_CGI       1
+/* MAX_SCRIPT_NAME_LENGTH should be at least the maximum file name length+2 for %!: includes */
+#define MAX_SCRIPT_NAME_LENGTH   WEBSERVER_CONF_NAMESIZE+2
+/* Enable specific cgi's */
+#define WEBSERVER_CONF_HEADER    1
+//#define WEBSERVER_CONF_HEADER_W3C  1 //Proper header
+#define WEBSERVER_CONF_HEADER_MENU 1 //with links to other pages
+//#define WEBSERVER_CONF_HEADER_ICON 1 //with favicon
+#define WEBSERVER_CONF_FILESTATS 1
+#define WEBSERVER_CONF_TCPSTATS  1
+#define WEBSERVER_CONF_PROCESSES 1
+#define WEBSERVER_CONF_ADDRESSES 1
+#define WEBSERVER_CONF_NEIGHBORS 1
+#define WEBSERVER_CONF_ROUTES    1
+#define WEBSERVER_CONF_SENSORS   1
+#define WEBSERVER_CONF_TICTACTOE 1   //Needs passquery of at least 10 chars 
+#define WEBSERVER_CONF_PASSQUERY 10
+#if WEBSERVER_CONF_PASSQUERY
+extern char httpd_query[WEBSERVER_CONF_PASSQUERY];
+#endif
+/* Enable specific file types */
+#define WEBSERVER_CONF_JPG       1
+#define WEBSERVER_CONF_PNG       1
+#define WEBSERVER_CONF_GIF       1
+#define WEBSERVER_CONF_TXT       1
+#define WEBSERVER_CONF_CSS       1
+#define WEBSERVER_CONF_BIN       1
+
+/* Log page accesses */
+#define WEBSERVER_CONF_LOG       1
+/* Include referrer in log */
+#define WEBSERVER_CONF_REFERER   1
+#endif
+
 /* Address printing used by cgi's and logging, but it can be turned off if desired */
 #if WEBSERVER_CONF_LOG || WEBSERVER_CONF_ADDRESSES || WEBSERVER_CONF_NEIGHBORS || WEBSERVER_CONF_ROUTES
 #define WEBSERVER_CONF_PRINTADDR 1
@@ -108,6 +150,7 @@ uint8_t httpd_cgi_sprint_ip6(uip_ip6addr_t addr, char * result);
 #define httpd_strlen         strlen_P
 #define httpd_snprintf       snprintf_P
 #define httpd_fs_cpy         memcpy_P
+#define httpd_fs_strcmp      strcmp_P
 #define httpd_fs_strchr      strchr_P
 #define httpd_fs_getchar(x)  pgm_read_byte(x)
 
@@ -122,6 +165,7 @@ uint8_t httpd_cgi_sprint_ip6(uip_ip6addr_t addr, char * result);
 #define httpd_strncmp        strncmp
 #define httpd_strlen         strlen
 #define httpd_fs_strchr      strchr
+#define httpd_fs_strcmp      strcmp
 #define httpd_fs_getchar(c)  *(c)
 #endif
 
@@ -152,4 +196,27 @@ struct httpd_state {
 void httpd_init(void);
 void httpd_appcall(void *state);
 
+/* DEBUGLOGIC is a convenient way to debug without a tcp/ip connection.
+ * After initialization, break the program and set the program counter
+ * to the beginning of httpd.c::httpd_appcall:
+ *   s = sg = (struct httpd_state *)memb_alloc(&conns);
+ * The global sg points to the s data to get around "not in scope" optimization.
+ * The input file is forced to /index.html and the output directed to TCPBUF.
+ * However the socket will hang on acknowledgement when any data is sent.
+ * To prevent this just add a break to /core/net/psock.c::psock_generator_send
+ * ...
+ * // Wait until all data is sent and acknowledged.
+ * break;                            //<---add this line
+ * PT_YIELD_UNTIL(&s->psockpt, uip_acked() || uip_rexmit());
+ * ...
+ */
+#define DEBUGLOGIC 0
+#if DEBUGLOGIC
+struct httpd_state *sg;
+#define uip_mss(...) 512
+#define uip_appdata TCPBUF
+char TCPBUF[512];
+#endif
+
+
 #endif /* __HTTPD_H__ */

examples/webserver-ipv6/README

@@ -26,5 +26,9 @@ code as follows:
   
   The default webserver and content is in /apps/webserver/...
   Change that using e.g. 
+  $make clean
   $make WITH_WEBSERVER=webserver-nano
+  $make TARGET=redbee-econotag WITH_WEBSERVER=webserver-nano
   $make TARGET=avr-raven WITH_WEBSERVER=raven-webserver
+  
+  ******** Make clean when switching webservers! **********