ceph/src/rgw/rgw_jsonparser.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab ft=cpp
   3
   4 #include <errno.h>
   5 #include <string.h>
   6
   7 #include <iostream>
   8 #include <map>
   9
  10 #include "include/types.h"
  11
  12 #include "common/Formatter.h"
  13 #include "common/ceph_json.h"
  14
  15 #include "rgw_common.h"
  16
  17 #define dout_subsys ceph_subsys_rgw
  18
  19
  20 void dump_array(JSONObj *obj)
  21 {
  22
  23   JSONObjIter iter = obj->find_first();
  24
  25   for (; !iter.end(); ++iter) {
  26     JSONObj *o = *iter;
  27     cout << "data=" << o->get_data() << std::endl;
  28   }
  29
  30 }
  31
  32 struct Key {
  33   string user;
  34   string access_key;
  35   string secret_key;
  36
  37   void decode_json(JSONObj *obj) {
  38     JSONDecoder::decode_json("user", user, obj);
  39     JSONDecoder::decode_json("access_key", access_key, obj);
  40     JSONDecoder::decode_json("secret_key", secret_key, obj);
  41   }
  42 };
  43
  44 struct UserInfo {
  45   string uid;
  46   string display_name;
  47   int max_buckets;
  48   list<Key> keys;
  49
  50   void decode_json(JSONObj *obj) {
  51     JSONDecoder::decode_json("user_id", uid, obj);
  52     JSONDecoder::decode_json("display_name", display_name, obj);
  53     JSONDecoder::decode_json("max_buckets", max_buckets, obj);
  54     JSONDecoder::decode_json("keys", keys, obj);
  55   }
  56 };
  57
  58
  59 int main(int argc, char **argv) {
  60   JSONParser parser;
  61
  62   char buf[1024];
  63   bufferlist bl;
  64
  65   for (;;) {
  66     int done;
  67     int len;
  68
  69     len = fread(buf, 1, sizeof(buf), stdin);
  70     if (ferror(stdin)) {
  71       cerr << "read error" << std::endl;
  72       exit(-1);
  73     }
  74     done = feof(stdin);
  75
  76     bool ret = parser.parse(buf, len);
  77     if (!ret)
  78       cerr << "parse error" << std::endl;
  79
  80     if (done) {
  81       bl.append(buf, len);
  82       break;
  83     }
  84   }
  85
  86   JSONObjIter iter = parser.find_first();
  87
  88   for (; !iter.end(); ++iter) {
  89     JSONObj *obj = *iter;
  90     cout << "is_object=" << obj->is_object() << std::endl;
  91     cout << "is_array=" << obj->is_array() << std::endl;
  92     cout << "name=" << obj->get_name() << std::endl;
  93     cout << "data=" << obj->get_data() << std::endl;
  94   }
  95
  96   iter = parser.find_first("conditions");
  97   if (!iter.end()) {
  98     JSONObj *obj = *iter;
  99
 100     JSONObjIter iter2 = obj->find_first();
 101     for (; !iter2.end(); ++iter2) {
 102       JSONObj *child = *iter2;
 103       cout << "is_object=" << child->is_object() << std::endl;
 104       cout << "is_array=" << child->is_array() << std::endl;
 105       if (child->is_array()) {
 106         dump_array(child);
 107       }
 108       cout << "name=" << child->get_name() <<std::endl;
 109       cout << "data=" << child->get_data() <<std::endl;
 110     }
 111   }
 112
 113   RGWUserInfo ui;
 114
 115   try {
 116     ui.decode_json(&parser);
 117   } catch (const JSONDecoder::err& e) {
 118     cout << "failed to decode JSON input: " << e.what() << std::endl;
 119     exit(1);
 120   }
 121
 122   JSONFormatter formatter(true);
 123
 124   formatter.open_object_section("user_info");
 125   ui.dump(&formatter);
 126   formatter.close_section();
 127
 128   formatter.flush(std::cout);
 129
 130   std::cout << std::endl;
 131 }
 132