[PATCH] net/http: retryable exception is configurable

[Eric Wong <e@80x24.org>]

---
 lib/net/http.rb | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/net/http.rb b/lib/net/http.rb
index 4db69b6..918a680 100644
--- a/lib/net/http.rb
+++ b/lib/net/http.rb
@@ -661,6 +661,11 @@ module Net   #:nodoc:
       SSL_IVNAMES.each do |ivname|
         instance_variable_set ivname, nil
       end
+
+      @retryable_exception = [ Net::ReadTimeout, IOError, EOFError,
+        Errno::ECONNRESET, Errno::ECONNABORTED, Errno::EPIPE, Timeout::Error ]
+      # avoid a dependency on OpenSSL
+      @retryable_exception << OpenSSL::SSL::SSLError if defined?(OpenSSL::SSL)
     end
 
     def inspect
@@ -1452,7 +1457,8 @@ module Net   #:nodoc:
              # avoid a dependency on OpenSSL
              defined?(OpenSSL::SSL) ? OpenSSL::SSL::SSLError : IOError,
              Timeout::Error => exception
-        if count == 0 && IDEMPOTENT_METHODS_.include?(req.method)
+        if count == 0 && IDEMPOTENT_METHODS_.include?(req.method) &&
+           @retryable_exception.any? { |c| c === exception }
           count += 1
           @socket.close if @socket and not @socket.closed?
           D "Conn close because of error #{exception}, and retry"
-- 
EW