2008-08-14 Madhusudan.C.S <madhusudancs@gmail.com>

* ChangeLog: New file added to procfs
* AUTHORS: New file added to procfs
* COPYING: New file added to procfs
* README: New file added to procfs
* Makefile: New file added to procfs
* bootstrap.c: New file added to procfs
* netfs.c: New file added to procfs
* node.c: New file added to procfs
* procfs.c: New file added to procfs
* procfs.h: New file added to procfs
* procfs_dir.c: New file added to procfs
* procfs_nonpid_files.c: New file added to procfs
* procfs_pid.h: New file added to procfs
* procfs_pid_files.c: New file added to procfs

1 files changed, 149 insertions, 0 deletions

diff --git a/procfs.c b/procfs.c
new file mode 100644
index 00000000..1fd0d619
--- /dev/null
+++ b/procfs.c
@@ -0,0 +1,149 @@
+/* procfs -- a translator for providing GNU/Linux compatible 
+             proc pseudo-filesystem
+             
+   procfs.c -- This file is the main file of the translator.
+               This has important definitions and initializes
+               the translator
+               
+   Copyright (C) 2008, FSF.
+   Written as a Summer of Code Project
+   
+   procfs is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   procfs is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. 
+*/
+
+#include <stdio.h>
+#include <argp.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <unistd.h>
+#include <error.h>
+#include <sys/stat.h>
+#include <hurd/netfs.h>
+
+#include "procfs.h"
+
+/* Defines this Tanslator Name */
+char *netfs_server_name = PROCFS_SERVER_NAME;
+char *netfs_server_version = PROCFS_SERVER_VERSION;
+int netfs_maxsymlinks = 12;
+
+static const struct argp_child argp_children[] = 
+  {
+    {&netfs_std_startup_argp, 0, NULL, 0},
+    {0}
+  };
+
+
+const char *argp_program_version = "/proc pseudo-filesystem (" PROCFS_SERVER_NAME
+ ") " PROCFS_SERVER_VERSION "\n"
+"Copyright (C) 2008 Free Software Foundation\n"
+"This is free software; see the source for copying conditions.  There is NO\n"
+"warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+"\n";
+
+static char *args_doc = "PROCFSROOT";
+static char *doc = "proc pseudo-filesystem for Hurd implemented as a translator. "
+"This is still under very humble and initial stages of development.\n"
+"Any Contribution or help is welcome. The code may not even compile";
+
+
+/* The Filesystem */
+struct procfs *procfs;
+
+/* The FILESYSTEM component of PROCFS_FS.  */
+char *procfs_root = "";
+
+volatile struct mapped_time_value *procfs_maptime;
+
+/* Startup options.  */
+static const struct argp_option procfs_options[] = 
+  {
+    { 0 }
+  };
+
+  
+/* argp parser function for parsing single procfs command line options  */  
+static error_t
+parse_procfs_opt (int key, char *arg, struct argp_state *state)
+{
+  switch (key) 
+    {
+    case ARGP_KEY_ARG:
+      if (state->arg_num > 1) 
+        argp_usage (state);
+      break;
+      
+    case ARGP_KEY_NO_ARGS:
+      argp_usage(state);
+      break;
+      
+    default:
+      return ARGP_ERR_UNKNOWN;
+    }
+}
+
+/* Program entry point. */
+int 
+main (int argc, char **argv)
+{
+  error_t err;
+  mach_port_t bootstrap, underlying_node;
+  struct stat underlying_stat;
+  
+  struct argp argp = 
+    {
+      procfs_options, parse_procfs_opt,
+      args_doc, doc, argp_children,
+      NULL, NULL  
+    }; 
+    
+   
+  /* Parse the command line arguments */
+//  argp_parse (&argp, argc, argv, 0, 0, 0);
+
+  task_get_bootstrap_port (mach_task_self (), &bootstrap);
+
+  netfs_init ();
+        
+  if (maptime_map (0, 0, &procfs_maptime)) 
+    {
+      perror (PROCFS_SERVER_NAME ": Cannot map time");
+      return 1;
+    }
+  
+  procfs_init ();
+
+  err = procfs_create (procfs_root, getpid (), &procfs);
+  if (err)
+    error (4, err, "%s", procfs_root);
+     
+  /* Create our root node */
+  netfs_root_node = procfs->root;
+
+  /* Start netfs activities */  
+  underlying_node = netfs_startup (bootstrap, 0);
+  if (io_stat (underlying_node, &underlying_stat))
+    error (1, err, "cannot stat underling node");
+
+  /* Initialize stat information of the root node.  */
+  netfs_root_node->nn_stat = underlying_stat;
+  netfs_root_node->nn_stat.st_mode =
+    S_IFDIR | (underlying_stat.st_mode & ~S_IFMT & ~S_ITRANS);
+  
+  for (;;)  
+    netfs_server_loop ();
+  return 1;
+}