Moved user interface processing code from "_nas_user_mngr" into...

Moved user interface processing code from "_nas_user_mngr" into "user_api_receive_and_process" function in user_api.c" file to use it from "nas_ue_task.c".

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4664 818b1a75-f10b-46b9-bf7c-635c3b92a50f

openair-cn/NAS/EURECOM-NAS/src/UEprocess.c

@@ -193,11 +193,7 @@ static void *_nas_user_mngr(void *args)
 {
     LOG_FUNC_IN;
 
-    int ret_code;
     int exit_loop = FALSE;
-    int nb_command;
-    int bytes;
-    int i;
 
     int *fd = (int *) args;
 
@@ -205,65 +201,7 @@ static void *_nas_user_mngr(void *args)
 
     /* User receiving loop */
     while (!exit_loop) {
-        /* Read the user data message */
-        bytes = user_api_read_data (*fd);
-        if (bytes == RETURNerror) {
-            /* Failed to read data from the user application layer;
-             * exit from the receiving loop */
-            LOG_TRACE (ERROR, "UE-MAIN   - "
-                       "Failed to read data from the user application layer");
-            break;
-        }
-
-        if (bytes == 0) {
-            /* A signal was caught before any data were available */
-            continue;
-        }
-
-        /* Decode the user data message */
-        nb_command = user_api_decode_data (bytes);
-        for (i = 0; i < nb_command; i++) {
-            /* Get the user data to be processed */
-            const void *data = user_api_get_data (i);
-            if (data == NULL) {
-                /* Failed to get user data at the given index;
-                 * go ahead and process the next user data */
-                LOG_TRACE (ERROR, "UE-MAIN   - "
-                           "Failed to get user data at index %d",
-                           i);
-                continue;
-            }
-
-            /* Process the user data message */
-            ret_code = nas_user_process_data (data);
-            if (ret_code != RETURNok) {
-                /* The user data message has not been successfully
-                 * processed; cause code will be encoded and sent back
-                 * to the user */
-                LOG_TRACE
-                (WARNING, "UE-MAIN   - "
-                 "The user procedure call failed");
-            }
-
-            /* Encode the user data message */
-            bytes = user_api_encode_data (nas_user_get_data (), i == nb_command - 1);
-            if (bytes == RETURNerror) {
-                /* Failed to encode the user data message;
-                 * go ahead and process the next user data */
-                continue;
-            }
-
-            /* Send the data message to the user */
-            bytes = user_api_send_data (*fd, bytes);
-            if (bytes == RETURNerror) {
-                /* Failed to send data to the user application layer;
-                 * exit from the receiving loop */
-                LOG_TRACE (ERROR, "UE-MAIN   - "
-                           "Failed to send data to the user application layer");
-                exit_loop = TRUE;
-                break;
-            }
-        }
+      exit_loop = user_api_receive_and_process(fd);
     }
 
     /* Close the connection to the user application layer */

openair-cn/NAS/EURECOM-NAS/src/api/Makefile

@@ -5,7 +5,7 @@ endif
 include $(PROJDIR)/Makerules
 include $(PROJDIR)/Makefile.inc
 
-export INCLUDES = -I. -I$(INCDIR) -I$(UTILDIR) -I$(IESDIR) -I$(EMMMSGDIR) -I$(ESMMSGDIR)
+export INCLUDES = -I. -I$(INCDIR) -I$(UTILDIR) -I$(IESDIR) -I$(EMMMSGDIR) -I$(ESMMSGDIR) -I$(SRCDIR)
 
 TARGET = $(LIBAPI)
 TARGETS = $(TARGET).a $(TARGET).so

openair-cn/NAS/EURECOM-NAS/src/api/user/user_api.c

@@ -25,6 +25,7 @@ Description	Implements the API used by the NAS layer running in the UE
 #include "nas_log.h"
 #include "socket.h"
 #include "device.h"
+#include "nas_user.h"
 
 #include "at_command.h"
 #include "at_response.h"
@@ -208,6 +209,90 @@ int user_api_initialize(const char* host, const char* port,
     LOG_FUNC_RETURN (RETURNok);
 }
 
+/****************************************************************************
+ **                                                                        **
+ ** Name:        user_api_receive_and_process()                            **
+ **                                                                        **
+ ** Description: Receives and process messages from user application       **
+ **                                                                        **
+ ** Inputs:      fd:            File descriptor of the connection endpoint **
+ **                             from which data have been received         **
+ **              Others:        None                                       **
+ **                                                                        **
+ ** Outputs:     Return:        FALSE, TRUE                                **
+ **                                                                        **
+ ***************************************************************************/
+int user_api_receive_and_process(int * fd)
+{
+    LOG_FUNC_IN;
+
+    int ret_code;
+    int nb_command;
+    int bytes;
+    int i;
+
+  /* Read the user data message */
+    bytes = user_api_read_data (*fd);
+    if (bytes == RETURNerror) {
+        /* Failed to read data from the user application layer;
+         * exit from the receiving loop */
+        LOG_TRACE (ERROR, "UE-MAIN   - "
+                   "Failed to read data from the user application layer");
+        LOG_FUNC_RETURN(TRUE);
+    }
+
+    if (bytes == 0) {
+        /* A signal was caught before any data were available */
+        LOG_FUNC_RETURN(FALSE);
+    }
+
+    /* Decode the user data message */
+    nb_command = user_api_decode_data (bytes);
+    for (i = 0; i < nb_command; i++) {
+        /* Get the user data to be processed */
+        const void *data = user_api_get_data (i);
+        if (data == NULL) {
+            /* Failed to get user data at the given index;
+             * go ahead and process the next user data */
+            LOG_TRACE (ERROR, "UE-MAIN   - "
+                       "Failed to get user data at index %d",
+                       i);
+            continue;
+        }
+
+        /* Process the user data message */
+        ret_code = nas_user_process_data (data);
+        if (ret_code != RETURNok) {
+            /* The user data message has not been successfully
+             * processed; cause code will be encoded and sent back
+             * to the user */
+            LOG_TRACE
+            (WARNING, "UE-MAIN   - "
+             "The user procedure call failed");
+        }
+
+        /* Encode the user data message */
+        bytes = user_api_encode_data (nas_user_get_data (), i == nb_command - 1);
+        if (bytes == RETURNerror) {
+            /* Failed to encode the user data message;
+             * go ahead and process the next user data */
+            continue;
+        }
+
+        /* Send the data message to the user */
+        bytes = user_api_send_data (*fd, bytes);
+        if (bytes == RETURNerror) {
+            /* Failed to send data to the user application layer;
+             * exit from the receiving loop */
+            LOG_TRACE (ERROR, "UE-MAIN   - "
+                       "Failed to send data to the user application layer");
+            LOG_FUNC_RETURN(TRUE);
+        }
+    }
+
+    LOG_FUNC_RETURN(FALSE);
+}
+
 /****************************************************************************
  **                                                                        **
  ** Name:	 user_api_get_fd()                                         **

openair-cn/NAS/EURECOM-NAS/src/api/user/user_api.h

@@ -42,6 +42,8 @@ Description	Implements the API used by the NAS layer running in the UE
 
 int user_api_initialize(const char* host, const char* port, const char* devname, const char* devparams);
 
+int user_api_receive_and_process(int * fd);
+
 int user_api_emm_callback(Stat_t stat, tac_t tac, ci_t ci, AcT_t AcT, const char* data, size_t size);
 int user_api_esm_callback(int cid, network_pdn_state_t state);