Added configuration support for local cache

openair2/ENB_APP/enb_agent.c

@@ -52,6 +52,7 @@ enb_agent_instance_t enb_agent[NUM_MAX_ENB];
 
 char in_ip[40];
 static uint16_t in_port;
+char local_cache[40];
 
 void *send_thread(void *args);
 void *receive_thread(void *args);
@@ -203,6 +204,13 @@ int enb_agent_start(mid_t mod_id, const Enb_properties_array_t* enb_properties){
   /* 
    * check the configuration
    */ 
+  if (enb_properties->properties[mod_id]->enb_agent_cache != NULL) {
+    strncpy(local_cache, enb_properties->properties[mod_id]->enb_agent_cache, sizeof(local_cache));
+    local_cache[sizeof(local_cache) - 1] = 0;
+  } else {
+    strcpy(local_cache, DEFAULT_ENB_AGENT_CACHE);
+  }
+  
   if (enb_properties->properties[mod_id]->enb_agent_ipv4_address != NULL) {
     strncpy(in_ip, enb_properties->properties[mod_id]->enb_agent_ipv4_address, sizeof(in_ip) );
     in_ip[sizeof(in_ip) - 1] = 0; // terminate string

openair2/ENB_APP/enb_agent_defs.h

@@ -47,6 +47,7 @@
 #define NUM_MAX_UE 2048
 #define DEFAULT_ENB_AGENT_IPv4_ADDRESS "127.0.0.1"
 #define DEFAULT_ENB_AGENT_PORT          2210
+#define DEFAULT_ENB_AGENT_CACHE        "/mnt/tmpfs"
 
 typedef enum {
   

openair2/ENB_APP/enb_agent_extern.h

@@ -44,6 +44,8 @@
 
 //extern msg_context_t shared_ctxt[NUM_MAX_ENB][ENB_AGENT_MAX];
 
+extern char local_cache[40];
+
 extern AGENT_MAC_xface *agent_mac_xface[NUM_MAX_ENB];
 
 extern unsigned int mac_agent_registered[NUM_MAX_ENB];

openair2/ENB_APP/enb_config.c

@@ -174,6 +174,7 @@
 #define ENB_CONFIG_STRING_ENB_AGENT_INTERFACE_NAME      "ENB_AGENT_INTERFACE_NAME"
 #define ENB_CONFIG_STRING_ENB_AGENT_IPV4_ADDRESS        "ENB_AGENT_IPV4_ADDRESS"
 #define ENB_CONFIG_STRING_ENB_AGENT_PORT                "ENB_AGENT_PORT"
+#define ENB_CONFIG_STRING_ENB_AGENT_CACHE               "ENB_AGENT_CACHE"
 
 #define ENB_CONFIG_STRING_RRH_GW_CONFIG                   "rrh_gw_config"
 #define ENB_CONFIG_STRING_RRH_GW_LOCAL_IF_NAME            "local_if_name"
@@ -325,6 +326,7 @@ static void enb_config_display(void)
     printf( "\tInterface name:           \t%s:\n",enb_properties.properties[i]->enb_agent_interface_name);
     printf( "\tInterface IP Address:     \t%s:\n",enb_properties.properties[i]->enb_agent_ipv4_address);
     printf( "\tInterface PORT:           \t%d:\n\n",enb_properties.properties[i]->enb_agent_port);
+    printf( "\tCache directory:          \t%s:\n",enb_properties.properties[i]->enb_agent_cache);
     
 #endif 
 
@@ -641,6 +643,7 @@ const Enb_properties_array_t *enb_config_init(char* lib_config_file_name_pP)
   char*             enb_agent_interface_name      = NULL;
   char*             enb_agent_ipv4_address        = NULL;
   libconfig_int     enb_agent_port                = 0;
+  char*             enb_agent_cache               = NULL;
   libconfig_int     otg_ue_id                     = 0;
   char*             otg_app_type                  = NULL;
   char*             otg_bg_traffic                = NULL;
@@ -2363,6 +2366,8 @@ const Enb_properties_array_t *enb_config_init(char* lib_config_file_name_pP)
                                                     (const char **)&enb_agent_ipv4_address)
                    && config_setting_lookup_int(subsetting, ENB_CONFIG_STRING_ENB_AGENT_PORT,
                                                 &enb_agent_port)
+		   && config_setting_lookup_string( subsetting, ENB_CONFIG_STRING_ENB_AGENT_CACHE,
+						    (const char **)&enb_agent_cache)
                  )
               ) {
               enb_properties.properties[enb_properties_index]->enb_agent_interface_name = strdup(enb_agent_interface_name);
@@ -2374,7 +2379,7 @@ const Enb_properties_array_t *enb_config_init(char* lib_config_file_name_pP)
 		}*/
 
               enb_properties.properties[enb_properties_index]->enb_agent_port = enb_agent_port;
-             
+	      enb_properties.properties[enb_properties_index]->enb_agent_cache = strdup(enb_agent_cache);
             }
           }
 	  

openair2/ENB_APP/enb_config.h

@@ -224,6 +224,7 @@ typedef struct Enb_properties_s {
   char               *enb_agent_interface_name;
   in_addr_t           enb_agent_ipv4_address;
   tcp_udp_port_t      enb_agent_port;
+  char               *enb_agent_cache;
 
   /* Nb of RRH to connect to */
   uint8_t             nb_rrh_gw;

targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.agent.oaisim.local_no_mme.conf

@@ -123,6 +123,7 @@ eNBs =
         ENB_AGENT_INTERFACE_NAME            = "eth0";
         ENB_AGENT_IPV4_ADDRESS              = "127.0.0.1/24";
 	ENB_AGENT_PORT	 		    = 2210;
+	ENB_AGENT_CACHE			    = "/mnt/tmpfs";
     };
 
     log_config :