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SDK: Add sync ChangeState and add msg to its result

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This commit is contained in:
Dennis Klein
2019-07-24 10:41:08 +02:00
parent a93840b240
commit d70a203449
5 changed files with 96 additions and 41 deletions
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29
fairmq/sdk/Topology.h
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@@ -26,13 +26,21 @@
namespace fair {
namespace mq {
// TODO make this a struct with a readable string error msg
enum class AsyncOpResult {
enum class AsyncOpResultCode {
Ok,
Timeout,
Error,
Aborted
};
auto operator<<(std::ostream& os, AsyncOpResultCode v) -> std::ostream&;
using AsyncOpResultMessage = std::string;
struct AsyncOpResult {
AsyncOpResultCode code;
AsyncOpResultMessage msg;
operator AsyncOpResultCode() const { return code; }
};
auto operator<<(std::ostream& os, AsyncOpResult v) -> std::ostream&;
namespace sdk {
@@ -59,6 +67,12 @@ class Topology
/// @brief (Re)Construct a FairMQ topology from an existing DDS topology
/// @param topo Initialized DDS CTopology
explicit Topology(DDSTopology topo, DDSSession session = DDSSession());
explicit Topology(const Topology&) = delete;
Topology& operator=(const Topology&) = delete;
explicit Topology(Topology&&) = delete;
Topology& operator=(Topology&&) = delete;
~Topology();
struct ChangeStateResult {
@@ -67,14 +81,21 @@ class Topology
friend auto operator<<(std::ostream& os, ChangeStateResult v) -> std::ostream&;
};
using ChangeStateCallback = std::function<void(ChangeStateResult)>;
using Duration = std::chrono::milliseconds;
/// @brief Initiate state transition on all FairMQ devices in this topology
/// @param t FairMQ device state machine transition
/// @param cb Completion callback
auto ChangeState(TopologyTransition t, ChangeStateCallback cb, std::chrono::milliseconds timeout = std::chrono::milliseconds(0)) -> void;
/// @param timeout Timeout in milliseconds, 0 means no timeout
auto ChangeState(TopologyTransition t, ChangeStateCallback cb, Duration timeout = std::chrono::milliseconds(0)) -> void;
static const std::unordered_map<DeviceTransition, DeviceState, tools::HashEnum<DeviceTransition>> fkExpectedState;
/// @brief Perform a state transition on all FairMQ devices in this topology
/// @param t FairMQ device state machine transition
/// @param timeout Timeout in milliseconds, 0 means no timeout
/// @return The result of the state transition
auto ChangeState(TopologyTransition t, Duration timeout = std::chrono::milliseconds(0)) -> ChangeStateResult;
private:
DDSSession fDDSSession;
DDSTopology fDDSTopo;