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mbed-rpc/rpc.h@14:3835863bc412, 2015-04-08 (annotated)

Committer:
stefan1691
Date:
Wed Apr 08 12:31:28 2015 +0000
Revision:
14:3835863bc412
Korrektur AnalogIn laut . https://developer.mbed.org/questions/3897/AnalogIn-not-working-in-rpc/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
stefan1691 14:3835863bc412 1 /* mbed Microcontroller Library
stefan1691 14:3835863bc412 2 * Copyright (c) 2006-2013 ARM Limited
stefan1691 14:3835863bc412 3 *
stefan1691 14:3835863bc412 4 * Licensed under the Apache License, Version 2.0 (the "License");
stefan1691 14:3835863bc412 5 * you may not use this file except in compliance with the License.
stefan1691 14:3835863bc412 6 * You may obtain a copy of the License at
stefan1691 14:3835863bc412 7 *
stefan1691 14:3835863bc412 8 * http://www.apache.org/licenses/LICENSE-2.0
stefan1691 14:3835863bc412 9 *
stefan1691 14:3835863bc412 10 * Unless required by applicable law or agreed to in writing, software
stefan1691 14:3835863bc412 11 * distributed under the License is distributed on an "AS IS" BASIS,
stefan1691 14:3835863bc412 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
stefan1691 14:3835863bc412 13 * See the License for the specific language governing permissions and
stefan1691 14:3835863bc412 14 * limitations under the License.
stefan1691 14:3835863bc412 15 */
stefan1691 14:3835863bc412 16 #ifndef RPC_H
stefan1691 14:3835863bc412 17 #define RPC_H
stefan1691 14:3835863bc412 18
stefan1691 14:3835863bc412 19 #include "mbed.h"
stefan1691 14:3835863bc412 20 #include "Arguments.h"
stefan1691 14:3835863bc412 21
stefan1691 14:3835863bc412 22 namespace mbed {
stefan1691 14:3835863bc412 23
stefan1691 14:3835863bc412 24 #define RPC_MAX_STRING 128
stefan1691 14:3835863bc412 25
stefan1691 14:3835863bc412 26 struct rpc_function {
stefan1691 14:3835863bc412 27 const char *name;
stefan1691 14:3835863bc412 28 void (*function_caller)(Arguments*, Reply*);
stefan1691 14:3835863bc412 29 };
stefan1691 14:3835863bc412 30
stefan1691 14:3835863bc412 31 struct rpc_class {
stefan1691 14:3835863bc412 32 const char *name;
stefan1691 14:3835863bc412 33 const rpc_function *static_functions;
stefan1691 14:3835863bc412 34 struct rpc_class *next;
stefan1691 14:3835863bc412 35 };
stefan1691 14:3835863bc412 36
stefan1691 14:3835863bc412 37 /* Class RPC
stefan1691 14:3835863bc412 38 * The RPC class for most things
stefan1691 14:3835863bc412 39 */
stefan1691 14:3835863bc412 40 class RPC {
stefan1691 14:3835863bc412 41
stefan1691 14:3835863bc412 42 public:
stefan1691 14:3835863bc412 43
stefan1691 14:3835863bc412 44 RPC(const char *name = NULL);
stefan1691 14:3835863bc412 45
stefan1691 14:3835863bc412 46 virtual ~RPC();
stefan1691 14:3835863bc412 47
stefan1691 14:3835863bc412 48 /* Function get_rpc_methods
stefan1691 14:3835863bc412 49 * Returns a pointer to an array describing the rpc methods
stefan1691 14:3835863bc412 50 * supported by this object, terminated by either
stefan1691 14:3835863bc412 51 * RPC_METHOD_END or RPC_METHOD_SUPER(Superclass).
stefan1691 14:3835863bc412 52 *
stefan1691 14:3835863bc412 53 * Example
stefan1691 14:3835863bc412 54 * > class Example : public RPC {
stefan1691 14:3835863bc412 55 * > int foo(int a, int b) { return a + b; }
stefan1691 14:3835863bc412 56 * > virtual const struct rpc_method *get_rpc_methods() {
stefan1691 14:3835863bc412 57 * > static const rpc_method rpc_methods[] = {
stefan1691 14:3835863bc412 58 * > { "foo", generic_caller<int, Example, int, int, &Example::foo> },
stefan1691 14:3835863bc412 59 * > RPC_METHOD_SUPER(RPC)
stefan1691 14:3835863bc412 60 * > };
stefan1691 14:3835863bc412 61 * > return rpc_methods;
stefan1691 14:3835863bc412 62 * > }
stefan1691 14:3835863bc412 63 * > };
stefan1691 14:3835863bc412 64 */
stefan1691 14:3835863bc412 65 virtual const struct rpc_method *get_rpc_methods();
stefan1691 14:3835863bc412 66
stefan1691 14:3835863bc412 67 static bool call(const char *buf, char *result);
stefan1691 14:3835863bc412 68
stefan1691 14:3835863bc412 69 /* Function lookup
stefan1691 14:3835863bc412 70 * Lookup and return the object that has the given name.
stefan1691 14:3835863bc412 71 *
stefan1691 14:3835863bc412 72 * Variables
stefan1691 14:3835863bc412 73 * name - the name to lookup.
stefan1691 14:3835863bc412 74 */
stefan1691 14:3835863bc412 75 static RPC *lookup(const char *name);
stefan1691 14:3835863bc412 76
stefan1691 14:3835863bc412 77 protected:
stefan1691 14:3835863bc412 78 static RPC *_head;
stefan1691 14:3835863bc412 79 RPC *_next;
stefan1691 14:3835863bc412 80 char *_name;
stefan1691 14:3835863bc412 81 bool _from_construct;
stefan1691 14:3835863bc412 82
stefan1691 14:3835863bc412 83 private:
stefan1691 14:3835863bc412 84 static rpc_class *_classes;
stefan1691 14:3835863bc412 85
stefan1691 14:3835863bc412 86 static const rpc_function _RPC_funcs[];
stefan1691 14:3835863bc412 87 static rpc_class _RPC_class;
stefan1691 14:3835863bc412 88
stefan1691 14:3835863bc412 89 void delete_self();
stefan1691 14:3835863bc412 90 static void list_objs(Arguments *args, Reply *result);
stefan1691 14:3835863bc412 91 static void clear(Arguments *args, Reply *result);
stefan1691 14:3835863bc412 92
stefan1691 14:3835863bc412 93 public:
stefan1691 14:3835863bc412 94 /* Function add_rpc_class
stefan1691 14:3835863bc412 95 * Add the class to the list of classes which can have static
stefan1691 14:3835863bc412 96 * methods called via rpc (the static methods which can be called
stefan1691 14:3835863bc412 97 * are defined by that class' get_rpc_class() static method).
stefan1691 14:3835863bc412 98 */
stefan1691 14:3835863bc412 99 template<class C>
stefan1691 14:3835863bc412 100 static void add_rpc_class() {
stefan1691 14:3835863bc412 101 rpc_class *c = C::get_rpc_class();
stefan1691 14:3835863bc412 102 c->next = _classes;
stefan1691 14:3835863bc412 103 _classes = c;
stefan1691 14:3835863bc412 104 }
stefan1691 14:3835863bc412 105
stefan1691 14:3835863bc412 106 template<class C>
stefan1691 14:3835863bc412 107 static const char *construct() {
stefan1691 14:3835863bc412 108 RPC *p = new C();
stefan1691 14:3835863bc412 109 p->_from_construct = true;
stefan1691 14:3835863bc412 110 return p->_name;
stefan1691 14:3835863bc412 111 }
stefan1691 14:3835863bc412 112
stefan1691 14:3835863bc412 113 template<class C, typename A1>
stefan1691 14:3835863bc412 114 static const char *construct(A1 arg1) {
stefan1691 14:3835863bc412 115 RPC *p = new C(arg1);
stefan1691 14:3835863bc412 116 p->_from_construct = true;
stefan1691 14:3835863bc412 117 return p->_name;
stefan1691 14:3835863bc412 118 }
stefan1691 14:3835863bc412 119
stefan1691 14:3835863bc412 120 template<class C, typename A1, typename A2>
stefan1691 14:3835863bc412 121 static const char *construct(A1 arg1, A2 arg2) {
stefan1691 14:3835863bc412 122 RPC *p = new C(arg1, arg2);
stefan1691 14:3835863bc412 123 p->_from_construct = true;
stefan1691 14:3835863bc412 124 return p->_name;
stefan1691 14:3835863bc412 125 }
stefan1691 14:3835863bc412 126
stefan1691 14:3835863bc412 127 template<class C, typename A1, typename A2, typename A3>
stefan1691 14:3835863bc412 128 static const char *construct(A1 arg1, A2 arg2, A3 arg3) {
stefan1691 14:3835863bc412 129 RPC *p = new C(arg1, arg2, arg3);
stefan1691 14:3835863bc412 130 p->_from_construct = true;
stefan1691 14:3835863bc412 131 return p->_name;
stefan1691 14:3835863bc412 132 }
stefan1691 14:3835863bc412 133
stefan1691 14:3835863bc412 134 template<class C, typename A1, typename A2, typename A3, typename A4>
stefan1691 14:3835863bc412 135 static const char *construct(A1 arg1, A2 arg2, A3 arg3, A4 arg4) {
stefan1691 14:3835863bc412 136 RPC *p = new C(arg1, arg2, arg3, arg4);
stefan1691 14:3835863bc412 137 p->_from_construct = true;
stefan1691 14:3835863bc412 138 return p->_name;
stefan1691 14:3835863bc412 139 }
stefan1691 14:3835863bc412 140 };
stefan1691 14:3835863bc412 141
stefan1691 14:3835863bc412 142 /* Macro MBED_OBJECT_NAME_MAX
stefan1691 14:3835863bc412 143 * The maximum size of object name (including terminating null byte)
stefan1691 14:3835863bc412 144 * that will be recognised when using fopen to open a FileLike
stefan1691 14:3835863bc412 145 * object, or when using the rpc function.
stefan1691 14:3835863bc412 146 */
stefan1691 14:3835863bc412 147 #define MBED_OBJECT_NAME_MAX 32
stefan1691 14:3835863bc412 148
stefan1691 14:3835863bc412 149 /* Macro MBED_METHOD_NAME_MAX
stefan1691 14:3835863bc412 150 * The maximum size of rpc method name (including terminating null
stefan1691 14:3835863bc412 151 * byte) that will be recognised by the rpc function (in rpc.h).
stefan1691 14:3835863bc412 152 */
stefan1691 14:3835863bc412 153 #define MBED_METHOD_NAME_MAX 32
stefan1691 14:3835863bc412 154
stefan1691 14:3835863bc412 155 /* Function rpc_method_caller
stefan1691 14:3835863bc412 156 */
stefan1691 14:3835863bc412 157 template<class T, void(T::*member)(const char *, char *)>
stefan1691 14:3835863bc412 158 void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
stefan1691 14:3835863bc412 159 (static_cast<T*>(this_ptr)->*member)(arguments, result);
stefan1691 14:3835863bc412 160 }
stefan1691 14:3835863bc412 161
stefan1691 14:3835863bc412 162 /* Function rpc_method_caller
stefan1691 14:3835863bc412 163 */
stefan1691 14:3835863bc412 164 template<class T, void(T::*member)()>
stefan1691 14:3835863bc412 165 void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
stefan1691 14:3835863bc412 166 (static_cast<T*>(this_ptr)->*member)();
stefan1691 14:3835863bc412 167 }
stefan1691 14:3835863bc412 168
stefan1691 14:3835863bc412 169 /* Function rpc_method_caller
stefan1691 14:3835863bc412 170 */
stefan1691 14:3835863bc412 171 template<class T, typename A1, void(T::*member)(A1)>
stefan1691 14:3835863bc412 172 void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
stefan1691 14:3835863bc412 173 A1 arg1 = arguments->getArg<A1>();
stefan1691 14:3835863bc412 174
stefan1691 14:3835863bc412 175 (static_cast<T*>(this_ptr)->*member)(arg1);
stefan1691 14:3835863bc412 176 }
stefan1691 14:3835863bc412 177
stefan1691 14:3835863bc412 178 /* Function rpc_method_caller
stefan1691 14:3835863bc412 179 */
stefan1691 14:3835863bc412 180 template<class T, typename A1, typename A2, void(T::*member)(A1, A2)>
stefan1691 14:3835863bc412 181 void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
stefan1691 14:3835863bc412 182 A1 arg1 = arguments->getArg<A1>();
stefan1691 14:3835863bc412 183 A2 arg2 = arguments->getArg<A2>();
stefan1691 14:3835863bc412 184
stefan1691 14:3835863bc412 185 (static_cast<T*>(this_ptr)->*member)(arg1, arg2);
stefan1691 14:3835863bc412 186 }
stefan1691 14:3835863bc412 187
stefan1691 14:3835863bc412 188 /* Function rpc_method_caller
stefan1691 14:3835863bc412 189 */
stefan1691 14:3835863bc412 190 template<class T, typename A1, typename A2, typename A3, void(T::*member)(A1, A2, A3)>
stefan1691 14:3835863bc412 191 void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
stefan1691 14:3835863bc412 192 A1 arg1 = arguments->getArg<A1>();
stefan1691 14:3835863bc412 193 A2 arg2 = arguments->getArg<A2>();
stefan1691 14:3835863bc412 194 A3 arg3 = arguments->getArg<A3>();
stefan1691 14:3835863bc412 195
stefan1691 14:3835863bc412 196 (static_cast<T*>(this_ptr)->*member)(arg1, arg2, arg3);
stefan1691 14:3835863bc412 197 }
stefan1691 14:3835863bc412 198
stefan1691 14:3835863bc412 199 /* Function rpc_method_caller
stefan1691 14:3835863bc412 200 */
stefan1691 14:3835863bc412 201 template<typename R, class T, R(T::*member)()>
stefan1691 14:3835863bc412 202 void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
stefan1691 14:3835863bc412 203 R res = (static_cast<T*>(this_ptr)->*member)();
stefan1691 14:3835863bc412 204 result->putData<R>(res);
stefan1691 14:3835863bc412 205 }
stefan1691 14:3835863bc412 206
stefan1691 14:3835863bc412 207 /* Function rpc_method_caller
stefan1691 14:3835863bc412 208 */
stefan1691 14:3835863bc412 209 template<typename R, class T, typename A1, R(T::*member)(A1)>
stefan1691 14:3835863bc412 210 void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
stefan1691 14:3835863bc412 211 A1 arg1 = arguments->getArg<A1>();
stefan1691 14:3835863bc412 212
stefan1691 14:3835863bc412 213 R res = (static_cast<T*>(this_ptr)->*member)(arg1);
stefan1691 14:3835863bc412 214 result->putData<R>(res);
stefan1691 14:3835863bc412 215 }
stefan1691 14:3835863bc412 216
stefan1691 14:3835863bc412 217 /* Function rpc_method_caller
stefan1691 14:3835863bc412 218 */
stefan1691 14:3835863bc412 219 template<typename R, class T, typename A1, typename A2, R(T::*member)(A1, A2)>
stefan1691 14:3835863bc412 220 void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
stefan1691 14:3835863bc412 221 A1 arg1 = arguments->getArg<A1>();
stefan1691 14:3835863bc412 222 A2 arg2 = arguments->getArg<A2>();
stefan1691 14:3835863bc412 223
stefan1691 14:3835863bc412 224 R res = (static_cast<T*>(this_ptr)->*member)(arg1, arg2);
stefan1691 14:3835863bc412 225 result->putData<R>(res);
stefan1691 14:3835863bc412 226 }
stefan1691 14:3835863bc412 227
stefan1691 14:3835863bc412 228 /* Function rpc_method_caller
stefan1691 14:3835863bc412 229 */
stefan1691 14:3835863bc412 230 template<typename R, class T, typename A1, typename A2, typename A3, R(T::*member)(A1, A2, A3)>
stefan1691 14:3835863bc412 231 void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
stefan1691 14:3835863bc412 232 A1 arg1 = arguments->getArg<A1>();
stefan1691 14:3835863bc412 233 A2 arg2 = arguments->getArg<A2>();
stefan1691 14:3835863bc412 234 A3 arg3 = arguments->getArg<A3>();
stefan1691 14:3835863bc412 235
stefan1691 14:3835863bc412 236 R res = (static_cast<T*>(this_ptr)->*member)(arg1, arg2, arg3);
stefan1691 14:3835863bc412 237 result->putData<R>(res);
stefan1691 14:3835863bc412 238 }
stefan1691 14:3835863bc412 239
stefan1691 14:3835863bc412 240 /* Function rpc_function caller
stefan1691 14:3835863bc412 241 */
stefan1691 14:3835863bc412 242 template<typename R, R(*func)()>
stefan1691 14:3835863bc412 243 void rpc_function_caller(Arguments *arguments, Reply *result) {
stefan1691 14:3835863bc412 244 R res = (*func)();
stefan1691 14:3835863bc412 245 result->putData<R>(res);
stefan1691 14:3835863bc412 246 }
stefan1691 14:3835863bc412 247
stefan1691 14:3835863bc412 248 /* Function rpc_function caller
stefan1691 14:3835863bc412 249 */
stefan1691 14:3835863bc412 250 template<typename R, typename A1, R(*func)(A1)>
stefan1691 14:3835863bc412 251 void rpc_function_caller(Arguments *arguments, Reply *result) {
stefan1691 14:3835863bc412 252 A1 arg1 = arguments->getArg<A1>();
stefan1691 14:3835863bc412 253 R res = (*func)(arg1);
stefan1691 14:3835863bc412 254 result->putData<R>(res);
stefan1691 14:3835863bc412 255 }
stefan1691 14:3835863bc412 256
stefan1691 14:3835863bc412 257 /* Function rpc_function caller
stefan1691 14:3835863bc412 258 */
stefan1691 14:3835863bc412 259 template<typename R, typename A1, typename A2, R(*func)(A1, A2)>
stefan1691 14:3835863bc412 260 void rpc_function_caller(Arguments *arguments, Reply *result) {
stefan1691 14:3835863bc412 261 A1 arg1 = arguments->getArg<A1>();
stefan1691 14:3835863bc412 262 A2 arg2 = arguments->getArg<A2>();
stefan1691 14:3835863bc412 263
stefan1691 14:3835863bc412 264 R res = (*func)(arg1, arg2);
stefan1691 14:3835863bc412 265 result->putData<R>(res);
stefan1691 14:3835863bc412 266 }
stefan1691 14:3835863bc412 267
stefan1691 14:3835863bc412 268 /* Function rpc_function caller
stefan1691 14:3835863bc412 269 */
stefan1691 14:3835863bc412 270 template<typename R, typename A1, typename A2, typename A3, R(*func)(A1, A2, A3)>
stefan1691 14:3835863bc412 271 void rpc_function_caller(Arguments *arguments, Reply *result) {
stefan1691 14:3835863bc412 272 A1 arg1 = arguments->getArg<A1>();
stefan1691 14:3835863bc412 273 A2 arg2 = arguments->getArg<A2>();
stefan1691 14:3835863bc412 274 A3 arg3 = arguments->getArg<A3>();
stefan1691 14:3835863bc412 275
stefan1691 14:3835863bc412 276 R res = (*func)(arg1, arg2, arg3);
stefan1691 14:3835863bc412 277 result->putData<R>(res);
stefan1691 14:3835863bc412 278 }
stefan1691 14:3835863bc412 279
stefan1691 14:3835863bc412 280 /* Function rpc_function caller
stefan1691 14:3835863bc412 281 */
stefan1691 14:3835863bc412 282 template<typename R, typename A1, typename A2, typename A3, typename A4, R(*func)(A1, A2, A3, A4)>
stefan1691 14:3835863bc412 283 void rpc_function_caller(Arguments *arguments, Reply *result) {
stefan1691 14:3835863bc412 284 A1 arg1 = arguments->getArg<A1>();
stefan1691 14:3835863bc412 285 A2 arg2 = arguments->getArg<A2>();
stefan1691 14:3835863bc412 286 A3 arg3 = arguments->getArg<A3>();
stefan1691 14:3835863bc412 287 A4 arg4 = arguments->getArg<A4>();
stefan1691 14:3835863bc412 288
stefan1691 14:3835863bc412 289 R res = (*func)(arg1, arg2, arg3, arg4);
stefan1691 14:3835863bc412 290 result->putData<R>(res);
stefan1691 14:3835863bc412 291 }
stefan1691 14:3835863bc412 292
stefan1691 14:3835863bc412 293 struct rpc_method {
stefan1691 14:3835863bc412 294 const char *name;
stefan1691 14:3835863bc412 295 typedef void (*method_caller_t)(RPC*, Arguments*, Reply*);
stefan1691 14:3835863bc412 296 typedef const struct rpc_method *(*super_t)(RPC*);
stefan1691 14:3835863bc412 297 union {
stefan1691 14:3835863bc412 298 method_caller_t method_caller;
stefan1691 14:3835863bc412 299 super_t super;
stefan1691 14:3835863bc412 300 };
stefan1691 14:3835863bc412 301 };
stefan1691 14:3835863bc412 302
stefan1691 14:3835863bc412 303 template<class C>
stefan1691 14:3835863bc412 304 const struct rpc_method *rpc_super(RPC *this_ptr) {
stefan1691 14:3835863bc412 305 return static_cast<C*>(this_ptr)->C::get_rpc_methods();
stefan1691 14:3835863bc412 306 }
stefan1691 14:3835863bc412 307
stefan1691 14:3835863bc412 308 #define RPC_METHOD_END { NULL, NULL }
stefan1691 14:3835863bc412 309 #define RPC_METHOD_SUPER(C) { NULL, (rpc_method::method_caller_t)rpc_super<C> }
stefan1691 14:3835863bc412 310
stefan1691 14:3835863bc412 311 } // namespace mbed
stefan1691 14:3835863bc412 312
stefan1691 14:3835863bc412 313 #endif