Added a Win32 CFS (Contiki File System) service. The opendir() parameter "/" is mapped to the directory containing contiki.exe. That allows easy access to *.prg and *.dsc files which are supposed to reside in the same directory.

2006-08-13 16:23:10 +00:00 · 2006-08-13 16:23:10 +00:00 · 92c982f829
parent 48609fb3a3
commit 92c982f829
2 changed files with 223 additions and 0 deletions
--- a/platform/win32/cfs/cfs-win32.c
+++ b/platform/win32/cfs/cfs-win32.c
@ -0,0 +1,181 @@
+/*
+ * Copyright (c) 2006, Swedish Institute of Computer Science.
+ * 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: Oliver Schmidt <ol.sc@web.de>
+ *
+ * $Id: cfs-win32.c,v 1.1 2006/08/13 16:23:10 oliverschmidt Exp $
+ */
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <io.h>
+#include <fcntl.h>
+
+#include "contiki.h"
+
+#include "cfs/cfs.h"
+#include "cfs/cfs-service.h"
+
+static int  s_open(const char *n, int f);
+static void s_close(int f);
+static int  s_read(int f, char *b, unsigned int l);
+static int  s_write(int f, char *b, unsigned int l);
+static int  s_seek(int f, unsigned int offset);
+static int  s_opendir(struct cfs_dir *p, const char *n);
+static int  s_readdir(struct cfs_dir *p, struct cfs_dirent *e);
+static int  s_closedir(struct cfs_dir *p);
+
+SERVICE(cfs_win32_service, cfs_service,
+{ s_open, s_close, s_read, s_write, s_seek,
+    s_opendir, s_readdir, s_closedir });
+
+struct cfs_win32_dir {
+  HANDLE         handle;
+  unsigned char* name;
+  unsigned int   size;
+};
+
+PROCESS(cfs_win32_process, "CFS Win32 service");
+
+PROCESS_THREAD(cfs_win32_process, ev, data)
+{
+  PROCESS_BEGIN();
+
+  SERVICE_REGISTER(cfs_win32_service);
+
+  PROCESS_WAIT_EVENT_UNTIL(ev == PROCESS_EVENT_SERVICE_REMOVED ||
+			   ev == PROCESS_EVENT_EXIT);
+
+  SERVICE_REMOVE(cfs_win32_service);
+  
+  PROCESS_END();
+}
+/*---------------------------------------------------------------------------*/
+static int
+s_open(const char *n, int f)
+{
+  if(f == CFS_READ) {
+    return _open(n, O_RDONLY);
+  } else {
+    return _open(n, O_CREAT|O_TRUNC|O_RDWR);
+  }
+}
+/*---------------------------------------------------------------------------*/
+static void
+s_close(int f)
+{
+  _close(f);
+}
+/*---------------------------------------------------------------------------*/
+static int
+s_read(int f, char *b, unsigned int l)
+{
+  return _read(f, b, l);
+}
+/*---------------------------------------------------------------------------*/
+static int
+s_write(int f, char *b, unsigned int l)
+{
+  return _write(f, b, l);
+}
+/*---------------------------------------------------------------------------*/
+static int
+s_seek(int f, unsigned int o)
+{
+  return _lseek(f, o, SEEK_SET);
+}
+/*---------------------------------------------------------------------------*/
+static int
+s_opendir(struct cfs_dir *p, const char *n)
+{
+  struct cfs_win32_dir *dir = (struct cfs_win32_dir *)p;
+  WIN32_FIND_DATA data;
+  char dirname[MAX_PATH];
+
+  if(n == NULL) {
+    n = "";
+  }
+  if(*n == '/') {
+    GetModuleFileName(NULL, dirname, sizeof(dirname));
+    strcpy(strrchr(dirname, '\\'), "/*");
+  }else{
+    sprintf(dirname, "%s/*", n);
+  }
+  
+  dir->handle = FindFirstFile(dirname, &data);
+  if(dir->handle == INVALID_HANDLE_VALUE) {
+    dir->name = NULL;
+    return 1;
+  }
+
+  dir->name = _strdup(data.cFileName);
+  dir->size = ((data.nFileSizeLow + 511) / 512) % 1000;
+
+  return 0;
+}
+/*---------------------------------------------------------------------------*/
+static int
+s_readdir(struct cfs_dir *p, struct cfs_dirent *e)
+{
+  struct cfs_win32_dir *dir = (struct cfs_win32_dir *)p;
+  WIN32_FIND_DATA data;
+  
+  if(dir->name == NULL) {
+    return 1;
+  }
+
+  strncpy(e->name, dir->name, sizeof(e->name));
+  e->size = dir->size;
+
+  free(dir->name);
+  if(FindNextFile(dir->handle, &data) == 0) {
+    dir->name = NULL;
+    return 0;
+  }
+
+  dir->name = _strdup(data.cFileName);
+  dir->size = ((data.nFileSizeLow + 511) / 512) % 1000;
+
+  return 0;
+}
+/*---------------------------------------------------------------------------*/
+static int
+s_closedir(struct cfs_dir *p)
+{
+  struct cfs_win32_dir *dir = (struct cfs_win32_dir *)p;
+
+  free(dir->name);
+  FindClose(dir->handle);
+
+  return 1;
+}
+/*---------------------------------------------------------------------------*/
--- a/platform/win32/cfs/cfs-win32.h
+++ b/platform/win32/cfs/cfs-win32.h
@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2006, Swedish Institute of Computer Science.
+ * 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: Oliver Schmidt <ol.sc@web.de>
+ *
+ * $Id: cfs-win32.h,v 1.1 2006/08/13 16:23:10 oliverschmidt Exp $
+ */
+#ifndef __CFS_WIN32_H__
+#define __CFS_WIN32_H__
+
+#include "contiki.h"
+
+PROCESS_NAME(cfs_win32_process);
+
+#endif /* __CFS_WIN32_H__ */