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Implement remote procedure calls.

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This commit is contained in:
Peter Johnson
2015-08-13 13:12:15 -07:00
parent e199e3571b
commit 8d7cdeabbf
13 changed files with 892 additions and 261 deletions
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38
include/ntcore_cpp.h
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@@ -50,12 +50,19 @@ struct ConnectionInfo {
/** NetworkTables RPC Parameter Definition */
struct RpcParamDef {
RpcParamDef() = default;
RpcParamDef(StringRef name_, std::shared_ptr<Value> def_value_)
: name(name_), def_value(def_value_) {}
std::string name;
std::shared_ptr<Value> def_value;
};
/** NetworkTables RPC Result Definition */
struct RpcResultDef {
RpcResultDef() = default;
RpcResultDef(StringRef name_, NT_Type type_) : name(name_), type(type_) {}
std::string name;
NT_Type type;
};
@@ -68,6 +75,14 @@ struct RpcDefinition {
std::vector<RpcResultDef> results;
};
/** NetworkTables RPC Call Data */
struct RpcCallInfo {
unsigned int rpc_id;
unsigned int call_uid;
std::string name;
std::string params;
};
/*
* Table Functions
*/
@@ -183,15 +198,24 @@ void RemoveConnectionListener(unsigned int conn_listener_uid);
* Remote Procedure Call Functions
*/
typedef std::function<std::vector<std::shared_ptr<Value>>(
unsigned int uid, StringRef name, ArrayRef<std::shared_ptr<Value>> params)>
typedef std::function<std::string(StringRef name, StringRef params)>
RpcCallback;
unsigned int CreateRpc(StringRef name, const RpcDefinition& def,
RpcCallback callback);
void DeleteRpc(unsigned int rpc_uid);
unsigned int CallRpc(StringRef name, ArrayRef<std::shared_ptr<Value>> params);
std::vector<std::shared_ptr<Value>> GetRpcResult(unsigned int result_uid);
void CreateRpc(StringRef name, StringRef def, RpcCallback callback);
void CreatePolledRpc(StringRef name, StringRef def);
bool PollRpc(bool blocking, RpcCallInfo* call_info);
void PostRpcResponse(unsigned int rpc_id, unsigned int call_uid,
StringRef result);
unsigned int CallRpc(StringRef name, StringRef params);
bool GetRpcResult(bool blocking, unsigned int call_uid, std::string* result);
std::string PackRpcDefinition(const RpcDefinition& def);
bool UnpackRpcDefinition(StringRef packed, RpcDefinition *def);
std::string PackRpcValues(ArrayRef<std::shared_ptr<Value>> values);
std::vector<std::shared_ptr<Value>> UnpackRpcValues(StringRef packed,
ArrayRef<NT_Type> types);
/*
* Client/Server Functions