1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _PROPERTY_H 18 #define _PROPERTY_H 19 20 #include <netinet/in.h> 21 #include <utils/List.h> 22 23 class Property { 24 const char *mName; 25 bool mReadOnly; 26 int mType; 27 int mNumElements; 28 29 public: 30 static const int NameMaxSize = 128; 31 static const int ValueMaxSize = 255; 32 33 static const int Type_STRING = 1; 34 static const int Type_INTEGER = 2; 35 static const int Type_IPV4 = 3; 36 37 Property(const char *name, bool ro, int type, int elements); ~Property()38 virtual ~Property() {} 39 40 virtual int set(int idx, const char *value) = 0; 41 virtual int set(int idx, int value) = 0; 42 virtual int set(int idx, struct in_addr *value) = 0; 43 44 virtual int get(int idx, char *buffer, size_t max) = 0; 45 virtual int get(int idx, int *buffer) = 0; 46 virtual int get(int idx, struct in_addr *buffer) = 0; 47 getType()48 int getType() { return mType; } getReadOnly()49 bool getReadOnly() { return mReadOnly; } getNumElements()50 int getNumElements() { return mNumElements; } getName()51 const char *getName() { return mName; } 52 }; 53 54 class StringProperty : public Property { 55 public: 56 StringProperty(const char *name, bool ro, int elements); ~StringProperty()57 virtual ~StringProperty() {} 58 59 virtual int set(int idx, const char *value) = 0; 60 int set(int idx, int value); 61 int set(int idx, struct in_addr *value); 62 63 virtual int get(int idx, char *buffer, size_t max) = 0; 64 int get(int idx, int *buffer); 65 int get(int idx, struct in_addr *buffer); 66 }; 67 68 class StringPropertyHelper : public StringProperty { 69 char *mBuffer; 70 size_t mMax; 71 public: 72 StringPropertyHelper(const char *name, bool ro, 73 char *buffer, size_t max); 74 int set(int idx, const char *value); 75 int get(int idx, char *buffer, size_t max); 76 }; 77 78 class IntegerProperty : public Property { 79 public: 80 IntegerProperty(const char *name, bool ro, int elements); ~IntegerProperty()81 virtual ~IntegerProperty() {} 82 83 int set(int idx, const char *value); 84 virtual int set(int idx, int value) = 0; 85 int set(int idx, struct in_addr *value); 86 87 int get(int idx, char *buffer, size_t max); 88 virtual int get(int idx, int *buffer) = 0; 89 int get(int idx, struct in_addr *buffer); 90 }; 91 92 class IntegerPropertyHelper : public IntegerProperty { 93 int *mBuffer; 94 public: 95 IntegerPropertyHelper(const char *name, bool ro, int *buffer); 96 int set(int idx, int value); 97 int get(int idx, int *buffer); 98 }; 99 100 class IPV4AddressProperty : public Property { 101 public: 102 IPV4AddressProperty(const char *name, bool ro, int elements); ~IPV4AddressProperty()103 virtual ~IPV4AddressProperty() {} 104 105 int set(int idx, const char *value); 106 int set(int idx, int value); 107 virtual int set(int idx, struct in_addr *value) = 0; 108 109 int get(int idx, char *buffer, size_t max); 110 int get(int idx, int *buffer); 111 virtual int get(int idx, struct in_addr *buffer) = 0; 112 }; 113 114 class IPV4AddressPropertyHelper : public IPV4AddressProperty { 115 struct in_addr *mBuffer; 116 public: 117 IPV4AddressPropertyHelper(const char *name, bool ro, struct in_addr *buf); 118 int set(int idx, struct in_addr *value); 119 int get(int idx, struct in_addr *buffer); 120 }; 121 122 typedef android::List<Property *> PropertyCollection; 123 124 class PropertyNamespace { 125 char *mName; 126 PropertyCollection *mProperties; 127 128 public: 129 PropertyNamespace(const char *name); 130 virtual ~PropertyNamespace(); 131 getName()132 const char *getName() { return mName; } getProperties()133 PropertyCollection *getProperties() { return mProperties; } 134 }; 135 136 typedef android::List<PropertyNamespace *> PropertyNamespaceCollection; 137 #endif 138