sys/src/cmd/webfs/dat.h

   1 typedef struct Client Client;
   2 typedef struct Ctl Ctl;
   3 typedef struct Ibuf Ibuf;
   4 typedef struct Url Url;
   5
   6 /* simple buffered i/o for network connections; shared by http, ftp */
   7 struct Ibuf
   8 {
   9         int fd;
  10         Ioproc *io;
  11         char buf[4096];
  12         char *rp, *wp;
  13 };
  14
  15 struct Ctl
  16 {
  17         int     acceptcookies;
  18         int     sendcookies;
  19         int     redirectlimit;
  20         char    *useragent;
  21 };
  22
  23 struct Client
  24 {
  25         Url     *url;
  26         Url     *baseurl;
  27         Ctl ctl;
  28         Channel *creq;  /* chan(Req*) */
  29         int num;
  30         int plumbed;
  31         char *contenttype;
  32         char *postbody;
  33         char *redirect;
  34         char *authenticate;
  35         char *ext;
  36         int npostbody;
  37         int havepostbody;
  38         int iobusy;
  39         int bodyopened;
  40         Ioproc *io;
  41         int ref;
  42         void *aux;
  43 };
  44
  45 /*
  46  * If ischeme is USunknown, then the given URL is a relative
  47  * URL which references the "current document" in the context of the base.
  48  * If this is the case, only the "fragment" and "url" members will have
  49  * meaning, and the given URL structure may not be used as a base URL itself.
  50  */
  51 enum
  52 {
  53         USunknown,
  54         UShttp,
  55         UShttps,
  56         USftp,
  57         USfile,
  58         UScurrent,
  59 };
  60
  61 struct Url
  62 {
  63         int             ischeme;
  64         char*   url;
  65         char*   scheme;
  66         int             (*open)(Client*, Url*);
  67         int             (*read)(Client*, Req*);
  68         void            (*close)(Client*);
  69         char*   schemedata;
  70         char*   authority;
  71         char*   user;
  72         char*   passwd;
  73         char*   host;
  74         char*   port;
  75         char*   path;
  76         char*   query;
  77         char*   fragment;
  78         union {
  79                 struct {
  80                         char *page_spec;
  81                 } http;
  82                 struct {
  83                         char *path_spec;
  84                         char *type;
  85                 } ftp;
  86         };
  87 };
  88
  89 enum
  90 {
  91         STACK = 32*1024,  /* was 16*1024; there are big arrays on the stack */
  92 };
  93
  94 extern  Client**        client;
  95 extern  int             cookiedebug;
  96 extern  Srv             fs;
  97 extern  int             fsdebug;
  98 extern  Ctl             globalctl;
  99 extern  int             nclient;
 100 extern  int             urldebug;
 101 extern  int             httpdebug;
 102 extern  char*   status[];
 103