[tor-commits] [tor/master] set SO_REUSEADDR before we bind, not after

arma at torproject.org arma at torproject.org
Mon Jan 23 20:55:22 UTC 2012


commit 247a21379af1cf90896d9818cf448d9687f6277c
Author: Roger Dingledine <arma at torproject.org>
Date:   Mon Jan 23 15:54:02 2012 -0500

    set SO_REUSEADDR before we bind, not after
    
    resolves bug 4950 (fixes a bug on commit aba7bb705a6 from #2850)
---
 changes/bug4950     |    6 ++++++
 src/or/connection.c |    4 ++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/changes/bug4950 b/changes/bug4950
new file mode 100644
index 0000000..d91ec46
--- /dev/null
+++ b/changes/bug4950
@@ -0,0 +1,6 @@
+  o Major bugfixes:
+    - Set the SO_REUSEADDR socket option before we call bind() on outgoing
+      connections. This change should allow busy exit relays to stop
+      running out of available sockets as quickly. Fixes bug 4950;
+      bugfix on 0.2.2.26-beta.
+
diff --git a/src/or/connection.c b/src/or/connection.c
index 462022d..c51e7fb 100644
--- a/src/or/connection.c
+++ b/src/or/connection.c
@@ -1338,6 +1338,8 @@ connection_connect(connection_t *conn, const char *address,
     return -1;
   }
 
+  make_socket_reuseable(s);
+
   if (options->OutboundBindAddress && !tor_addr_is_loopback(addr)) {
     struct sockaddr_in ext_addr;
 
@@ -1372,8 +1374,6 @@ connection_connect(connection_t *conn, const char *address,
   log_debug(LD_NET, "Connecting to %s:%u.",
             escaped_safe_str_client(address), port);
 
-  make_socket_reuseable(s);
-
   if (connect(s, dest_addr, (socklen_t)dest_addr_len) < 0) {
     int e = tor_socket_errno(s);
     if (!ERRNO_IS_CONN_EINPROGRESS(e)) {



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