Add new APIs to get the server-side RPC ID and session number in a

request handler

CMakeLists.txt

@@ -129,6 +129,7 @@ set(SOURCES
   src/rpc_impl/rpc_fault_inject.cc
   src/rpc_impl/rpc_pkt_loss.cc
   src/rpc_impl/rpc_rx.cc
+  src/rpc_impl/rpc_sslot.cc
   src/rpc_impl/rpc_connect_handlers.cc
   src/rpc_impl/rpc_disconnect_handlers.cc
   src/rpc_impl/rpc_reset_handlers.cc

scripts/linux_autorun_process_file

@@ -0,0 +1,4 @@
+erpc-1 31850 0
+erpc-2 31850 0
+erpc-3 31850 0
+erpc-4 31850 0

src/rpc_impl/rpc_sslot.cc

@@ -0,0 +1,15 @@
+#include "rpc.h"
+
+namespace erpc {
+
+uint8_t ReqHandle::get_server_rpc_id() const {
+  return session_->server_.rpc_id_;
+}
+
+uint16_t ReqHandle::get_server_session_num() const {
+  return session_->server_.session_num_;
+}
+
+FORCE_COMPILE_TRANSPORTS
+
+}  // namespace erpc

src/session.h

@@ -56,6 +56,7 @@ class Rpc;
 /// A one-to-one session class for all transports
 class Session {
   friend class Rpc<CTransport>;
+  friend class ReqHandle;
 
  public:
   enum class Role : int { kServer, kClient };

src/sslot.h

@@ -122,10 +122,21 @@ class SSlot {
   size_t get_cur_req_num() const { return cur_req_num_; }
 };
 
+/// Handle object passed by eRPC to the application's request handler callbacks
 class ReqHandle : public SSlot {
  public:
+  /// Get this RPC's request message buffer. Valid until the request handler
+  /// enqueues a response.
   inline const MsgBuffer *get_req_msgbuf() const {
     return &server_info_.req_msgbuf_;
   }
+
+  /// Get the RPC ID of the server-side RPC object that received this request
+  /// from the network. Valid until the request handler enqueues a response.
+  uint8_t get_server_rpc_id() const;
+
+  /// Get the server-side session number for this request. Valid until the
+  /// request handler enqueues a response.
+  uint16_t get_server_session_num() const;
 };
 }  // namespace erpc