hash.h

   1 #include <string>
   2 #include <vector>
   3 #include <sstream>
   4 #include <fstream>
   5
   6 extern "C" {
   7 #include <string.h>
   8 #include <mdfour.h>
   9 }
  10
  11 // Grabbed from linux/module.h kernel include.
  12 #define MODULE_NAME_LEN (64 - sizeof(unsigned long))
  13
  14 class hash
  15 {
  16 private:
  17   struct mdfour md4;
  18   std::ostringstream parm_stream;
  19
  20 public:
  21   hash() { start(); }
  22   hash(const hash &base) { md4 = base.md4; parm_stream << base.parm_stream.str(); }
  23
  24   void start();
  25
  26   void add(const unsigned char *buffer, size_t size);
  27   void add(const int x) { add((const unsigned char *)&x, sizeof(x)); }
  28   void add(const long x) { add((const unsigned char *)&x, sizeof(x)); }
  29   void add(const long long x) { add((const unsigned char *)&x, sizeof(x)); }
  30   void add(const unsigned int x) { add((const unsigned char *)&x, sizeof(x)); }
  31   void add(const unsigned long x) { add((const unsigned char *)&x,
  32                                         sizeof(x)); }
  33   void add(const unsigned long long x) { add((const unsigned char *)&x,
  34                                              sizeof(x)); }
  35   void add(const char *s) { add((const unsigned char *)s, strlen(s)); }
  36   void add(const std::string& s) { add((const unsigned char *)s.c_str(),
  37                                        s.length()); }
  38   void add_file(const std::string& filename);
  39
  40   void result(std::string& r);
  41   std::string get_parms();
  42 };
  43
  44 void find_script_hash (systemtap_session& s, const std::string& script);
  45 void find_stapconf_hash (systemtap_session& s);
  46 std::string find_tracequery_hash (systemtap_session& s,
  47                                   const std::vector<std::string>& headers);
  48 std::string find_typequery_hash (systemtap_session& s, const std::string& name);
  49
  50 /* vim: set sw=2 ts=8 cino=>4,n-2,{2,^-2,t0,(0,u0,w1,M1 : */