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-rw-r--r--src/vpp-api/vapi/vapi.hpp100
1 files changed, 100 insertions, 0 deletions
diff --git a/src/vpp-api/vapi/vapi.hpp b/src/vpp-api/vapi/vapi.hpp
index a1e33a93fd4..58d170603e5 100644
--- a/src/vpp-api/vapi/vapi.hpp
+++ b/src/vpp-api/vapi/vapi.hpp
@@ -140,6 +140,10 @@ private:
template <typename Req, typename Resp, typename... Args> friend class Dump;
+ template <typename Req, typename Resp, typename StreamMessage,
+ typename... Args>
+ friend class Stream;
+
template <typename M> friend class Event_registration;
};
@@ -451,6 +455,10 @@ private:
template <typename Req, typename Resp, typename... Args> friend class Dump;
+ template <typename Req, typename Resp, typename StreamMessage,
+ typename... Args>
+ friend class Stream;
+
template <typename M> friend class Result_set;
template <typename M> friend class Event_registration;
@@ -497,6 +505,10 @@ template <typename Req, typename Resp, typename... Args> class Request;
template <typename Req, typename Resp, typename... Args> class Dump;
+template <typename Req, typename Resp, typename StreamMessage,
+ typename... Args>
+class Stream;
+
template <class, class = void> struct vapi_has_payload_trait : std::false_type
{
};
@@ -627,6 +639,10 @@ private:
template <typename Req, typename Resp, typename... Args> friend class Dump;
+ template <typename Req, typename Resp, typename StreamMessage,
+ typename... Args>
+ friend class Stream;
+
template <typename X> friend class Event_registration;
template <typename X> friend class Result_set;
@@ -772,12 +788,96 @@ private:
bool complete;
std::vector<Msg<M>, typename Msg<M>::Msg_allocator> set;
+ template <typename Req, typename Resp, typename StreamMessage,
+ typename... Args>
+ friend class Stream;
+
template <typename Req, typename Resp, typename... Args> friend class Dump;
template <typename X> friend class Event_registration;
};
/**
+ * Class representing a RPC request - zero or more identical responses to a
+ * single request message with a response
+ */
+template <typename Req, typename Resp, typename StreamMessage,
+ typename... Args>
+class Stream : public Common_req
+{
+public:
+ Stream (
+ Connection &con, Args... args,
+ std::function<vapi_error_e (Stream<Req, Resp, StreamMessage, Args...> &)>
+ cb = nullptr)
+ : Common_req{ con }, request{ con, vapi_alloc<Req> (con, args...) },
+ response{ con, nullptr }, result_set{ con }, callback{ cb }
+ {
+ }
+
+ Stream (const Stream &) = delete;
+
+ virtual ~Stream () {}
+
+ virtual std::tuple<vapi_error_e, bool>
+ assign_response (vapi_msg_id_t id, void *shm_data)
+ {
+ if (id == response.get_msg_id ())
+ {
+ response.assign_response (id, shm_data);
+ result_set.mark_complete ();
+ set_response_state (RESPONSE_READY);
+ if (nullptr != callback)
+ {
+ return std::make_pair (callback (*this), true);
+ }
+ return std::make_pair (VAPI_OK, true);
+ }
+ else
+ {
+ result_set.assign_response (id, shm_data);
+ }
+ return std::make_pair (VAPI_OK, false);
+ }
+
+ vapi_error_e
+ execute ()
+ {
+ return con.send (this);
+ }
+
+ const Msg<Req> &
+ get_request (void)
+ {
+ return request;
+ }
+
+ const Msg<Resp> &
+ get_response (void)
+ {
+ return response;
+ }
+
+ using resp_type = typename Msg<StreamMessage>::shm_data_type;
+
+ const Result_set<StreamMessage> &
+ get_result_set (void) const
+ {
+ return result_set;
+ }
+
+private:
+ Msg<Req> request;
+ Msg<Resp> response;
+ Result_set<StreamMessage> result_set;
+ std::function<vapi_error_e (Stream<Req, Resp, StreamMessage, Args...> &)>
+ callback;
+
+ friend class Connection;
+ friend class Result_set<StreamMessage>;
+};
+
+/**
* Class representing a dump request - zero or more identical responses to a
* single request message
*/