acc: fix generating duplicates for missed calls

- fix generating duplicates for missed calls (#GH1674)
- patch from Julien Chavanton jchavanton at gmail dot com

src/modules/acc/acc.c

@@ -526,7 +526,7 @@ int is_eng_acc_on(sip_msg_t *msg)
 	}
 	while(e) {
 		if(e->flags & 1) {
-			if(msg->flags & e->acc_flag) {
+			if(isflagset(msg, e->acc_flag) == 1) {
 				return 1;
 			}
 		}
@@ -549,7 +549,7 @@ int is_eng_mc_on(sip_msg_t *msg)
 	}
 	while(e) {
 		if(e->flags & 1) {
-			if(msg->flags & e->missed_flag) {
+			if(isflagset(msg, e->missed_flag) == 1) {
 				return 1;
 			}
 		}
@@ -579,15 +579,15 @@ int acc_run_engines(struct sip_msg *msg, int type, int *reset)
 	inf.leg_info = leg_info;
 	while(e) {
 		if(e->flags & 1) {
-			if((type==0) && (msg->flags&(e->acc_flag))) {
+			if((type==0) && isflagset(msg, e->acc_flag) == 1) {
 				LM_DBG("acc event for engine: %s\n", e->name);
 				e->acc_req(msg, &inf);
-				if(reset) *reset |= e->acc_flag;
+				if(reset) *reset |= 1 << e->acc_flag;
 			}
-			if((type==1) && (msg->flags&(e->missed_flag))) {
+			if((type==1) && isflagset(msg, e->missed_flag) == 1) {
 				LM_DBG("missed event for engine: %s\n", e->name);
 				e->acc_req(msg, &inf);
-				if(reset) *reset |= e->missed_flag;
+				if(reset) *reset |= 1 << e->missed_flag;
 			}
 		}
 		e = e->next;

src/modules/acc/acc_logic.c

@@ -55,7 +55,6 @@ struct acc_enviroment acc_env;
 
 
 #define is_acc_flag_set(_rq,_flag)  (((_flag) != -1) && (isflagset((_rq), (_flag)) == 1))
-#define reset_acc_flag(_rq,_flag)   (resetflag((_rq), (_flag)))
 
 #define is_failed_acc_on(_rq)  is_acc_flag_set(_rq,failed_transaction_flag)
 
@@ -465,7 +464,6 @@ static inline void acc_onreply_in(struct cell *t, struct sip_msg *req,
 }
 
 
-
 /* initiate a report if we previously enabled MC accounting for this t */
 static inline void on_missed(struct cell *t, struct sip_msg *req,
 											struct sip_msg *reply, int code)
@@ -501,11 +499,10 @@ static inline void on_missed(struct cell *t, struct sip_msg *req,
 	 * forwarding attempt fails; we do not wish to
 	 * report on every attempt; so we clear the flags;
 	 */
-
 	if (is_log_mc_on(req)) {
 		env_set_text( ACC_MISSED, ACC_MISSED_LEN);
 		acc_log_request( req );
-		flags_to_reset |= log_missed_flag;
+		flags_to_reset |= 1 << log_missed_flag;
 	}
 	if (is_db_mc_on(req)) {
 		if(acc_db_set_table_name(req, db_table_mc_data, &db_table_mc)<0) {
@@ -513,7 +510,7 @@ static inline void on_missed(struct cell *t, struct sip_msg *req,
 			return;
 		}
 		acc_db_request( req );
-		flags_to_reset |= db_missed_flag;
+		flags_to_reset |= 1 << db_missed_flag;
 	}
 
 	/* run extra acc engines */
@@ -523,7 +520,7 @@ static inline void on_missed(struct cell *t, struct sip_msg *req,
 	 * These can't be reset in the blocks above, because
 	 * it would skip accounting if the flags are identical
 	 */
-	reset_acc_flag( req, flags_to_reset );
+	resetflags(req, flags_to_reset);
 
 	if (new_uri_bk.len>=0) {
 		req->new_uri = new_uri_bk;