modules_k/siptrace: Add trace_to_database configuration parameter

Adding configuration parameter to disable writing to the database.
We can use this to only duplicate the SIP messages without storing them
in our database.

Signed-off-by: Tristan Bruns <[email protected]>
Signed-off-by: Daniel-Constantin Mierla <[email protected]>

modules_k/siptrace/doc/siptrace_admin.xml

@@ -229,6 +229,31 @@ modparam("siptrace", "trace_table_avp", "$avp(s:siptrace_table)")
 ...
 modparam("siptrace", "duplicate_uri", "sip:10.1.1.1:5888")
 ...
+</programlisting>
+		</example>
+	</section>
+	<section>
+		<title><varname>trace_to_database</varname> (integer)</title>
+		<para>
+		Parameter to enable/disable inserts to the Database from this
+		Kamailio. 
+		</para>
+		<para>
+		In case we only want to send the SIP-Messages to the 
+		duplicate_uri and not store the information to the local 
+		database we can set this to "0".  
+		</para>
+		<para>
+		<emphasis>
+			Default value is "1".
+		</emphasis>
+		</para>
+		<example>
+		<title>Set <varname>trace_to_database</varname> parameter</title>
+		<programlisting format="linespecific">
+...
+modparam("siptrace", "trace_to_database", 0)
+...
 </programlisting>
 		</example>
 	</section>

modules_k/siptrace/siptrace.c

@@ -117,10 +117,13 @@ int trace_flag = -1;
 int trace_on   = 0;
 int trace_sl_acks = 1;
 
+int trace_to_database = 1;
+
 str    dup_uri_str      = {0, 0};
 struct sip_uri *dup_uri = 0;
 
 int *trace_on_flag = NULL;
+int *trace_to_database_flag = NULL;
 
 static unsigned short traced_user_avp_type = 0;
 static int_str traced_user_avp;
@@ -166,6 +169,7 @@ static param_export_t params[] = {
 	{"traced_user_avp",    STR_PARAM, &traced_user_avp_str.s},
 	{"trace_table_avp",    STR_PARAM, &trace_table_avp_str.s},
 	{"duplicate_uri",      STR_PARAM, &dup_uri_str.s        },
+	{"trace_to_database",  INT_PARAM, &trace_to_database    },
 	{"trace_local_ip",     STR_PARAM, &trace_local_ip.s     },
 	{"trace_sl_acks",      INT_PARAM, &trace_sl_acks        },
 	{0, 0, 0}
@@ -282,6 +286,14 @@ static int mod_init(void)
 	
 	*trace_on_flag = trace_on;
 	
+	trace_to_database_flag = (int*)shm_malloc(sizeof(int));
+	if(trace_to_database_flag==NULL) {
+		LM_ERR("no more shm memory left\n");
+		return -1;
+	}
+	
+	*trace_to_database_flag = trace_to_database;
+	
 	/* register callbacks to TM */
 	if (load_tm_api(&tmb)!=0)
 	{
@@ -476,6 +488,9 @@ static int sip_trace_store(struct _siptrace_data *sto)
 
 static int sip_trace_store_db(struct _siptrace_data *sto)
 {
+	if(trace_to_database_flag==NULL || *trace_to_database_flag==0)
+		goto done;
+	
 	db_key_t db_keys[NR_KEYS];
 	db_val_t db_vals[NR_KEYS];