server: Debug logging in user_data.c

Trying to find the bug leading to "userdata_unregister while
nonexistent" errors in production

1 files changed, 3 insertions, 0 deletions

diff --git a/user_data.c b/user_data.c
index 125a6b4..a69ec78 100644
--- a/user_data.c
+++ b/user_data.c
@@ -23,6 +23,7 @@ static void userdata_constructor() {
 void userdata_register(i64 userid,int fd){
 	struct user_data *data=ht_find(user_hash, userid);
 	if(data){
+		debug("userdata_register(%" PRIi64 ", %d) -> new fd",userid,fd);
 		for(i64 i=0;i<data->len;i++){
 			if(data->fds[i]==fd){
 				die("userdata_register(%" PRIi64 ", %d) while pair already existed",userid,fd);
@@ -37,6 +38,7 @@ void userdata_register(i64 userid,int fd){
 		data->last_active[data->len]=make_timestamp();
 		data->len++;
 	} else {
+		debug("userdata_register(%" PRIi64 ", %d) -> new userid",userid,fd);
 		data=malloc(1, struct user_data);
 		data->userid=userid;
 		data->cap=2;
@@ -50,6 +52,7 @@ void userdata_register(i64 userid,int fd){
 }
 
 void userdata_unregister(i64 userid,int fd){
+	debug("userdata_unregister(%" PRIi64 ", %d)",userid,fd);
 	struct user_data *data=ht_find(user_hash,userid);
 	if(!data){
 		die("userdata_unregister(%" PRIi64 ", %d) while nonexistent",userid,fd);