3 files changed, 25 insertions, 0 deletions
diff --git a/include/dlt/dlt_common.h b/include/dlt/dlt_common.h
index 550cc10..0b9fd8d 100644
--- a/include/dlt/dlt_common.h
+++ b/include/dlt/dlt_common.h
@@ -337,6 +337,11 @@ enum {
 #define DLT_ENTRY_MAX 100
 
 /**
+ * Maximal IPC path len
+ */
+#define DLT_IPC_PATH_MAX 100
+
+/**
  * Provision to test static function
  */
 #ifndef DLT_UNIT_TESTS
@@ -1085,6 +1090,13 @@ extern "C"
      */
     int dlt_receiver_receive_fd(DltReceiver *receiver);
     /**
+     * Receive data from file/fifo/socket, calls corresponding function based on
+     * CMake configuration.
+     * @param receiver pointer to dlt receiver structure
+     * @return number of received bytes or negative value if there was an error
+     */
+     int dlt_receiver_receive(DltReceiver *receiver);
+    /**
      * Remove a specific size of bytes from the received data
      * @param receiver pointer to dlt receiver structure
      * @param size amount of bytes to be removed
@@ -1384,11 +1396,13 @@ extern "C"
      */
     void dlt_check_envvar();
 
+#ifndef DLT_USE_UNIX_SOCKET_IPC
     /**
      * Create the specified path, recursive if necessary
      * behaves like calling mkdir -p <dir> on the console
      */
     int dlt_mkdir_recursive(const char *dir);
+#endif
 
 #ifdef __cplusplus
 }
diff --git a/include/dlt/dlt_types.h b/include/dlt/dlt_types.h
index 03cd036..2393174 100644
--- a/include/dlt/dlt_types.h
+++ b/include/dlt/dlt_types.h
@@ -178,4 +178,14 @@ typedef enum
 typedef float  float32_t;
 typedef double float64_t;
 
+/**
+ * Definition Library connection state
+ */
+typedef enum
+{
+    DLT_USER_NOT_CONNECTED = 0,
+    DLT_USER_CONNECTED,
+    DLT_USER_RETRY_CONNECT
+} DltUserConnectionState;
+
 #endif  /* DLT_TYPES_H */
diff --git a/include/dlt/dlt_user.h b/include/dlt/dlt_user.h
index c5cc1ce..7b0aa8d 100644
--- a/include/dlt/dlt_user.h
+++ b/include/dlt/dlt_user.h
@@ -235,6 +235,7 @@ typedef struct
     int corrupt_message_size;
     int16_t corrupt_message_size_size;
 #endif
+    DltUserConnectionState connection_state;
 } DltUser;
 
 /**************************************************************************************************