Added debug info, trying to find a way to support SUBSCRIBE.

cmd.c

@@ -32,6 +32,13 @@ cmd_free(struct cmd *c) {
 	free(c);
 }
 
+void __redisAsyncDisconnect(redisAsyncContext *ac);
+void on_http_disconnect(struct evhttp_connection *evcon, void *ctx) {
+	struct server *s = ctx;
+	printf("SUBSCRIBE DISCONNECT (ac=%p)\n", (void*)s->ac);
+	redisAsyncDisconnect(s->ac);
+}
+
 void
 cmd_run(struct server *s, struct evhttp_request *rq,
 		const char *uri, size_t uri_len) {
@@ -74,6 +81,7 @@ cmd_run(struct server *s, struct evhttp_request *rq,
 	/* check if we have to split the connection */
 	if(strncasecmp(cmd->argv[0], "SUBSCRIBE", cmd->argv_len[0]) == 0) {
 		s = server_copy(s);
+		evhttp_connection_set_closecb(rq->evcon, on_http_disconnect, s);
 	}
 
 	if(!slash) {

formats/json.c

@@ -24,6 +24,7 @@ json_reply(redisAsyncContext *c, void *r, void *privdata) {
 	int free_reply = 1;
 
 	if (reply == NULL) {
+		printf("reply = NULL, BYE.\n");
 		evhttp_send_reply(cmd->rq, 404, "Not Found", NULL);
 		return;
 	}

hiredis/async.c

@@ -159,7 +159,7 @@ void redisAsyncDisconnect(redisAsyncContext *ac) {
 }
 
 /* Helper function to make the disconnect happen and clean up. */
-static void __redisAsyncDisconnect(redisAsyncContext *ac) {
+void __redisAsyncDisconnect(redisAsyncContext *ac) {
     redisContext *c = &(ac->c);
     redisCallback cb;
     int status;

turnip.c

@@ -13,6 +13,7 @@
 #include "conf.h"
 #include "cmd.h"
 
+
 void
 on_request(struct evhttp_request *rq, void *ctx) {
 
@@ -20,10 +21,13 @@ on_request(struct evhttp_request *rq, void *ctx) {
 	struct server *s = ctx;
 
 	if(!s->ac) { /* redis is unavailable */
+		printf("503\n");
 		evhttp_send_reply(rq, 503, "Service Unavailable", NULL);
 		return;
 	}
 
+
+
 	switch(rq->type) {
 		case EVHTTP_REQ_GET:
 			cmd_run(s, rq, 1+uri, strlen(uri)-1);
@@ -36,6 +40,7 @@ on_request(struct evhttp_request *rq, void *ctx) {
 			break;
 
 		default:
+			printf("405\n");
 			evhttp_send_reply(rq, 405, "Method Not Allowed", NULL);
 			return;
 	}