Refactor RDMA connection classes

media-proxy/include/mesh/conn_rdma.h

@@ -85,7 +85,6 @@ class Rdma : public Connection {
     bool init;                                  // Indicates if RDMA is initialized
     void *buffer_block;                         // Pointer to the allocated buffer block
     int queue_size;                             // Number of buffers in the queue
-    direction dir;                              // Data transfer direction
     static std::atomic<int> active_connections; // Number of active RDMA connections
 
     // Queue for managing buffers

media-proxy/src/mesh/conn_rdma.cc

@@ -5,7 +5,8 @@ namespace mesh::connection {
 
 std::atomic<int> Rdma::active_connections(0);
 
-Rdma::Rdma() : ep_ctx(nullptr), init(false), trx_sz(0), m_dev_handle(nullptr) {
+Rdma::Rdma() : ep_ctx(nullptr), init(false), trx_sz(0), m_dev_handle(nullptr),
+    buffer_block(nullptr), queue_size(0) {
     std::memset(&ep_cfg, 0, sizeof(ep_cfg));
     ++active_connections;
 }

media-proxy/src/mesh/conn_rdma_rx.cc

@@ -6,7 +6,6 @@ namespace mesh::connection {
 
 RdmaRx::RdmaRx() : Rdma() {
     _kind = Kind::receiver; // Set the Kind in the constructor
-    dir = direction::RX;    // Set the direction in the constructor
 }
 
 RdmaRx::~RdmaRx()

media-proxy/src/mesh/conn_rdma_tx.cc

@@ -6,7 +6,6 @@ namespace mesh::connection {
 
 RdmaTx::RdmaTx() : Rdma() {
     _kind = Kind::transmitter; // Set the Kind in the constructor
-    dir = direction::TX;       // Set the direction in the constructor
 }
 
 RdmaTx::~RdmaTx()