Changeset 10:c5c99c73c2bf in freeDiameter for extensions/_sample

Timestamp:

Sep 25, 2009, 4:12:08 PM (15 years ago)

Author:

Sebastien Decugis <sdecugis@nict.go.jp>

Branch:

default

Phase:

public

Message:

Added some extensions and functions in the daemon

Location:

extensions/_sample

Files:

• CMakeLists.txt (modified) (1 diff)
• fini.c (modified) (1 diff)
• sample.c (modified) (3 diffs)

extensions/_sample/CMakeLists.txt

@@ -3 +3 @@
 
 # Compile as a module
-FD_ADD_EXTENSION(sample sample.c fini.c)
+FD_ADD_EXTENSION(dbg_sample sample.c fini.c)

extensions/_sample/fini.c

@@ -34 +34 @@
 *********************************************************************************************************/
 
-/* Sample extension exit point */
-
 #include <freeDiameter/extension.h>
 
+/* The function MUST be called this */
 void fd_ext_fini(void)
 {
-        fd_log_debug("Extension is terminated... Bye!\n");
+        /* This code is executed when the daemon is exiting; cleanup management should be placed here */
+        TRACE_DEBUG(INFO, "Extension is terminated... Bye!");
         return ;
 }

extensions/_sample/sample.c

@@ -45 +45 @@
 static int sample_main(char * conffile)
 {
+        /* The debug macro from main tree can be used the same way */
         TRACE_ENTRY("%p", conffile);
         
-        fprintf(stdout, "I am extension " __FILE__ " running on host %s\n", fd_g_config->diam_id);
+        /* This is how we access daemon's global vars */
+        fprintf(stdout, "I am extension " __FILE__ " running on host %s.", fd_g_config->cnf_diamid);
         
+        /* The configuration file name is received in the conffile var. It's up to extension to parse it */
         if (conffile) {
                 fprintf(stdout, "I should parse my configuration file there: %s\n", conffile);
@@ -55 +58 @@
         }
         
-        /* Use the dictionary for test */
-        fd_log_debug("Let's create that 'Example-AVP'...\n");
+        /* Functions from the libfreediameter can also be used as demonstrated here: */
+        TRACE_DEBUG(INFO, "Let's create that 'Example-AVP'...");
         {
                 struct dict_object * origin_host_avp = NULL;
@@ -64 +67 @@
                 struct dict_avp_data example_avp_data = { 999999, 0, "Example-AVP", AVP_FLAG_VENDOR , 0, AVP_TYPE_GROUPED };
 
-                CHECK_FCT( fd_dict_search ( fd_g_config->g_dict, DICT_AVP, AVP_BY_NAME, "Origin-Host", &origin_host_avp, ENOENT));
-                CHECK_FCT( fd_dict_search ( fd_g_config->g_dict, DICT_AVP, AVP_BY_NAME, "Session-Id", &session_id_avp, ENOENT));
+                CHECK_FCT( fd_dict_search ( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Origin-Host", &origin_host_avp, ENOENT));
+                CHECK_FCT( fd_dict_search ( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Session-Id", &session_id_avp, ENOENT));
                 
-                CHECK_FCT( fd_dict_new ( fd_g_config->g_dict, DICT_AVP, &example_avp_data , NULL, &example_avp_avp ));
+                CHECK_FCT( fd_dict_new ( fd_g_config->cnf_dict, DICT_AVP, &example_avp_data , NULL, &example_avp_avp ));
                 
                 rule_data.rule_avp = origin_host_avp;
                 rule_data.rule_min = 1;
                 rule_data.rule_max = 1;
-                CHECK_FCT( fd_dict_new ( fd_g_config->g_dict, DICT_RULE, &rule_data, example_avp_avp, NULL ));
+                CHECK_FCT( fd_dict_new ( fd_g_config->cnf_dict, DICT_RULE, &rule_data, example_avp_avp, NULL ));
                 
                 rule_data.rule_avp = session_id_avp;
                 rule_data.rule_min = 1;
                 rule_data.rule_max = -1;
-                CHECK_FCT( fd_dict_new ( fd_g_config->g_dict, DICT_RULE, &rule_data, example_avp_avp, NULL ));
+                CHECK_FCT( fd_dict_new ( fd_g_config->cnf_dict, DICT_RULE, &rule_data, example_avp_avp, NULL ));
+                
+                fd_dict_dump_object(example_avp_avp);
         }
-        fd_log_debug("'Example-AVP' created without error\n");
+        TRACE_DEBUG(INFO, "'Example-AVP' created without error\n");
         
+        /* The initialization function returns an error code with the standard POSIX meaning (ENOMEM, and so on) */
         return 0;
 }
+
+/* See file fini.c for an example of destructor */