07_flow-opt-support.diff

[paraslash.git] / net.h

diff --git a/net.h b/net.h
index 66bf875568eadd9fe07587e31edc5539e472575d..96fa07eeb43c4745687fd4efde9b7f16d4dabe5d 100644 (file)
--- a/net.h
+++ b/net.h
@@ -31,6 +31,22 @@
 /** \endcond */
 
 
+/**
+ * Flowopts: Transport-layer independent encapsulation of socket options
+ *           that need to be registered prior to setting up a connection.
+ */
+struct flowopts;
+
+extern struct flowopts *flowopt_new(void);
+extern void flowopt_add(struct flowopts *fo, int level, int opt,
+                       char *name, const void *val, int len);
+extern void flowopt_add_bool(struct flowopts *fo, int lev, int opt,
+                            char *optname, bool on_or_off);
+/** Flowopt shortcut macros */
+#define OPT_ADD(fo, lev, opt, val, len)        flowopt_add(fo, lev, opt, #opt, val, len)
+#define OPT_ENABLE(fo, lev, opt)       flowopt_add_bool(fo, lev, opt, #opt, 1)
+#define OPT_DISABLE(fo, lev, opt)      flowopt_add_bool(fo, lev, opt, #opt, 0)
+
 /**
  * Functions to parse and validate (parts of) URLs.
  */
@@ -72,7 +88,8 @@ _static_inline_ bool is_valid_ipv6_address(const char *address)
  * Generic socket creation (passive and active sockets).
  */
 extern int makesock(unsigned l3type, unsigned l4type, int passive,
-                   const char *host, unsigned short port_number);
+                   const char *host, unsigned short port_number,
+                   struct flowopts *fo);
 extern struct in_addr extract_v4_addr(const struct sockaddr_storage *ss);
 
 /**