ixpserv/fs.c

   1
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <sys/types.h>
   5 #include <sys/socket.h>
   6 #include <errno.h>
   7 #include <string.h>
   8
   9 #include <9p-mixp/mixp.h>
  10 #include <9p-mixpsrv/types.h>
  11 #include <9p-mixpsrv/p9srv.h>
  12 #include <9p-mixpsrv/prototypes.h>
  13 #include <9p-mixpsrv/errors.h>
  14
  15 extern MIXPSRV_FILE_HANDLE* open_root();
  16
  17 MIXPSRV_FILESERVER fileserver = {
  18         .magic = MIXPSRV_FILESERVER_MAGIC,
  19         .openRoot = open_root
  20 };
  21
  22 /* --------------------- root directory ops ----------------------- */
  23
  24 MIXPSRV_FILE_HANDLE* rootops_lookup(MIXPSRV_FILE_HANDLE*parent, char* name)
  25 {
  26     printf("rootops_lookup() requested: \"%s\"\n",name);
  27
  28     if ((!name) || (!strlen(name)) || (!strcmp(name,"/")))
  29     {
  30         printf("rootops_lookup() requested the root directory\n");
  31         return open_root();
  32     }
  33
  34     if (!strcmp(name,"etc"))
  35     {
  36         printf(" --> /etc\n");
  37         return p9srv_get_file();
  38     }
  39
  40     if (!strcmp(name,"foo"))
  41     {
  42         printf(" --> /foo\n");
  43         MIXPSRV_FILE_HANDLE* n = p9srv_get_file();
  44         mixpsrv_hostfile_ops_init(n,"/etc/hosts");
  45         return n;
  46     }
  47
  48     return NULL;
  49 }
  50
  51 MIXPSRV_FILE_OPS rootops = {
  52     .size      = NULL,
  53     .open      = NULL,
  54     .lookup    = rootops_lookup,
  55     .classname = "etcdir"
  56 };
  57
  58 MIXPSRV_FILE_HANDLE* open_root(MIXPSRV_FILESERVER* server)
  59 {
  60         MIXPSRV_FILE_HANDLE *f = p9srv_get_file();
  61         f->ops   = rootops;
  62         f->name  = strdup("/");
  63         f->qtype = P9_QTDIR;
  64         f->type  = 0;
  65         f->perm  = 0500|P9_DMDIR;
  66         return f;
  67 }
  68
  69 int main()
  70 {
  71     printf("starting 9p \n");
  72     char* errstr = "OKAY";
  73     int fd;
  74
  75     fd = ixp_serversock_tcp("*",9999,&errstr);
  76     if (fd<0)
  77     {
  78         printf("fd=%d err=%s\n",fd,errstr);
  79         return -1;
  80     }
  81
  82     p9srv_run_server(fd, &fileserver);
  83     return 0;
  84 }