net/khttpd/structure.h

   1 #ifndef _INCLUDE_GUARD_STRUCTURE_H_
   2 #define _INCLUDE_GUARD_STRUCTURE_H_
   3
   4 #include <linux/time.h>
   5 #include <linux/wait.h>
   6
   7
   8 struct http_request;
   9
  10 struct http_request
  11 {
  12         /* Linked list */
  13         struct http_request *Next;
  14
  15         /* Network and File data */
  16         struct socket   *sock;
  17         struct file     *filp;
  18
  19         /* Raw data about the file */
  20
  21         int             FileLength;     /* File length in bytes */
  22         int             Time;           /* mtime of the file, unix format */
  23         int             BytesSent;      /* The number of bytes already sent */
  24         int             IsForUserspace; /* 1 means let Userspace handle this one */
  25
  26         /* Wait queue */
  27
  28         wait_queue_t sleep;             /* For putting in the socket's waitqueue */
  29
  30         /* HTTP request information */
  31         char            FileName[256];  /* The requested filename */
  32         int             FileNameLength; /* The length of the string representing the filename */
  33         char            Agent[128];     /* The agent-string of the remote browser */
  34         char            IMS[128];       /* If-modified-since time, rfc string format */
  35         char            Host[128];      /* Value given by the Host: header */
  36         int             HTTPVER;        /* HTTP-version; 9 for 0.9,   10 for 1.0 and above */
  37
  38
  39         /* Derived date from the above fields */
  40         int             IMS_Time;       /* if-modified-since time, unix format */
  41         char            TimeS[64];      /* File mtime, rfc string representation */
  42         char            LengthS[14];    /* File length, string representation */
  43         char            *MimeType;      /* Pointer to a string with the mime-type
  44                                            based on the filename */
  45         __kernel_size_t MimeLength;     /* The length of this string */
  46
  47 };
  48
  49
  50
  51 /*
  52
  53 struct khttpd_threadinfo represents the four queues that 1 thread has to deal with.
  54 It is padded to occupy 1 (Intel) cache-line, to avoid "cacheline-pingpong".
  55
  56 */
  57 struct khttpd_threadinfo
  58 {
  59         struct http_request* WaitForHeaderQueue;
  60         struct http_request* DataSendingQueue;
  61         struct http_request* LoggingQueue;
  62         struct http_request* UserspaceQueue;
  63         char  dummy[16];  /* Padding for cache-lines */
  64 };
  65
  66
  67
  68 #endif