1 files changed, 123 insertions, 0 deletions
diff --git a/libccnx-transport-rta/ccnx/transport/common/transport.c b/libccnx-transport-rta/ccnx/transport/common/transport.c
new file mode 100644
index 00000000..0f9e564d
--- /dev/null
+++ b/libccnx-transport-rta/ccnx/transport/common/transport.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <LongBow/runtime.h>
+
+#include <parc/algol/parc_Memory.h>
+
+#include "transport.h"
+#include "transport_private.h"
+#include "rta_Transport.h"
+
+struct transport_context {
+    TransportTypes transport_type;
+    struct transport_operations ops;
+    void *transport_data;
+    unsigned references;
+};
+
+// the one global transport, for now
+static TransportContext *the_context = NULL;
+
+TransportContext *
+Transport_Create(TransportTypes type)
+{
+    if (the_context == NULL) {
+        switch (type) {
+            case TRANSPORT_RTA:
+                the_context = parcMemory_Allocate(sizeof(TransportContext));
+                assertNotNull(the_context, "TransportContext could not be allocated, parcMemory_Allocate(%zu) returned NULL", sizeof(TransportContext));
+
+                the_context->references = 0;
+                the_context->ops = rta_ops;
+                the_context->transport_data = the_context->ops.Create();
+                the_context->transport_type = type;
+                break;
+
+            default:
+                fprintf(stderr, "%s unknown transport type %d\n", __func__, type);
+                abort();
+                break;
+        }
+    }
+
+    if (the_context->transport_type == type) {
+        the_context->references++;
+        return the_context;
+    }
+
+    fprintf(stderr, "%s transport type %d not of request type %d\n",
+            __func__, the_context->transport_type, type);
+    abort();
+}
+
+int
+Transport_Open(CCNxTransportConfig *transportConfig)
+{
+    assertNotNull(the_context, "The TransportContext is NULL.");
+    assertNotNull(transportConfig, "The parameter transportConfig must be a non-null CCNxTransportConfig pointer");
+    return the_context->ops.Open(the_context->transport_data, transportConfig);
+}
+
+int
+Transport_Send(int desc, CCNxMetaMessage *msg_in)
+{
+    assertNotNull(the_context, "the_context is null");
+    return the_context->ops.Send(the_context->transport_data, desc, msg_in, CCNxStackTimeout_Never);
+}
+
+TransportIOStatus
+Transport_Recv(int desc, CCNxMetaMessage **msg_out)
+{
+    return the_context->ops.Recv(the_context->transport_data, desc, msg_out, CCNxStackTimeout_Never);
+}
+
+int
+Transport_Close(int desc)
+{
+    return the_context->ops.Close(the_context->transport_data, desc);
+}
+
+int
+Transport_PassCommand(void *stackCommand)
+{
+    return the_context->ops.PassCommand(the_context->transport_data, stackCommand);
+}
+
+void
+Transport_Destroy(TransportContext **ctxPtr)
+{
+    assertNotNull(ctxPtr, "Transport_Destroy called with null context");
+    assertNotNull(*ctxPtr, "Transport_Destroy callled with reference to null");
+
+    TransportContext *ctx = *ctxPtr;
+
+    assertTrue(the_context == ctx, "Passed ctx is not the same");
+    assertTrue(ctx->references > 0, "Invalid reference count");
+
+    ctx->references--;
+    if (ctx->references == 0) {
+        ctx->ops.Destroy(&ctx->transport_data);
+        memset(ctx, 0, sizeof(TransportContext));
+        parcMemory_Deallocate((void **) &ctx);
+        ctx = NULL;
+        the_context = NULL;
+    }
+}