From 76e6067e13831569deca05dbb557d921998e3eb2 Mon Sep 17 00:00:00 2001
From: David Härdeman <david@hardeman.nu>
Date: Thu, 11 Jun 2020 23:08:45 +0200
Subject: Create a helper function to loop through different possible
 connections and convert proxy to use it

---
 utils.h | 101 ++++++++++++++++++++++++++++++++++++++--------------------------
 1 file changed, 60 insertions(+), 41 deletions(-)

(limited to 'utils.h')

diff --git a/utils.h b/utils.h
index 8f8a153..5a6f69e 100644
--- a/utils.h
+++ b/utils.h
@@ -10,6 +10,66 @@ struct list_head {
 	struct list_head *prev;
 };
 
+#define zmalloc(s) __zmalloc(__func__, __LINE__, s)
+void *__zmalloc(const char *fn, int line, size_t s);
+
+#define xstrdup(s) __xstrdup(__func__, __LINE__, s)
+char *__xstrdup(const char *fn, int line, const char *s);
+
+#define xstrndup(s, n) __xstrndup(__func__, __LINE__, s, n)
+char *__xstrndup(const char *fn, int line, const char *s, size_t n);
+
+#define xfree(s) __xfree(__func__, __LINE__, s)
+void __xfree(const char *fn, int line, void *ptr);
+
+void debug_resource_usage();
+
+#define ADDRSTRLEN (9 /*strlen("AF_INETX ")*/ + INET6_ADDRSTRLEN + 6 /*strlen(" 65535")*/ + 1)
+struct sockaddr_in46 {
+	union {
+		struct sockaddr_storage storage;
+		struct sockaddr_in in4;
+		struct sockaddr_in6 in6;
+	};
+	socklen_t addrlen;
+	struct list_head list;
+};
+
+struct connection {
+	struct sockaddr_in46 remote;
+	char remotestr[ADDRSTRLEN];
+
+	struct sockaddr_in46 local;
+	char localstr[ADDRSTRLEN];
+
+	struct list_head *addrs;
+	unsigned next_addr;
+
+	void (*callback)(struct cfg *, struct connection *, int res);
+};
+
+struct uring_task;
+
+void socket_set_low_latency(struct cfg *cfg, int sfd);
+
+void connect_any(struct cfg *cfg, struct uring_task *task,
+		 struct list_head *addrs, struct connection *conn,
+		 void (*callback)(struct cfg *, struct connection *, int res));
+
+uint16_t sockaddr_port(struct sockaddr_in46 *addr);
+
+char *sockaddr_to_str(struct sockaddr_in46 *addr, char *buf, size_t buflen);
+
+int strtou16_strict(const char *str, uint16_t *result);
+
+static inline bool empty_str(const char *str)
+{
+	if (!str || str[0] == '\0')
+		return true;
+	else
+		return false;
+}
+
 #define LIST_HEAD_INIT(name) { &(name), &(name) }
 
 #define LIST_HEAD(name) struct list_head name = LIST_HEAD_INIT(name)
@@ -79,47 +139,6 @@ static inline bool list_empty(struct list_head *list)
 	     &pos->member != (head);					\
 	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
 
-#define zmalloc(s) __zmalloc(__func__, __LINE__, s)
-void *__zmalloc(const char *fn, int line, size_t s);
-
-#define xstrdup(s) __xstrdup(__func__, __LINE__, s)
-char *__xstrdup(const char *fn, int line, const char *s);
-
-#define xstrndup(s, n) __xstrndup(__func__, __LINE__, s, n)
-char *__xstrndup(const char *fn, int line, const char *s, size_t n);
-
-#define xfree(s) __xfree(__func__, __LINE__, s)
-void __xfree(const char *fn, int line, void *ptr);
-
-void debug_resource_usage();
-
-#define ADDRSTRLEN (9 /*strlen("AF_INETX ")*/ + INET6_ADDRSTRLEN + 6 /*strlen(" 65535")*/ + 1)
-struct sockaddr_in46 {
-	union {
-		struct sockaddr_storage storage;
-		struct sockaddr_in in4;
-		struct sockaddr_in6 in6;
-	};
-	socklen_t addrlen;
-	struct list_head list;
-};
-
-void socket_set_gaming_options(struct cfg *cfg, int sfd);
-
-uint16_t sockaddr_port(struct sockaddr_in46 *addr);
-
-char *sockaddr_to_str(struct sockaddr_in46 *addr, char *buf, size_t buflen);
-
-int strtou16_strict(const char *str, uint16_t *result);
-
-static inline bool empty_str(const char *str)
-{
-	if (!str || str[0] == '\0')
-		return true;
-	else
-		return false;
-}
-
 /*
 #define _cleanup_(x) __attribute__((cleanup(x)))
 
-- 
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