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authornormal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-03-12 03:03:04 +0000
committernormal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-03-12 03:03:04 +0000
commitaaf2d070a8351dc3118422bae478978f3d3e3966 (patch)
treeeb6a9e96b9cf8dde77875a2cd828333d1b9a743a /ext/socket/socket.c
parent724012a23d8274543002eb42ef71d87308481d40 (diff)
accept_nonblock supports "exception: false"
This is analogous to functionality found in IO#read_nonblock and IO#wait_nonblock. Raising exceptions for common failures on non-blocking servers is expensive and makes $DEBUG too noisy. Benchmark results: user system total real default 2.790000 0.870000 3.660000 ( 3.671597) exception: false 1.120000 0.800000 1.920000 ( 1.922032) exception: false (cached arg) 0.820000 0.770000 1.590000 ( 1.589267) --------------------- benchmark script ------------------------ require 'socket' require 'benchmark' require 'tmpdir' nr = 1000000 Dir.mktmpdir('nb_bench') do |path| sock_path = "#{path}/test.sock" s = UNIXServer.new(sock_path) Benchmark.bmbm do |x| x.report("default") do nr.times do begin s.accept_nonblock rescue IO::WaitReadable end end end x.report("exception: false") do nr.times do begin s.accept_nonblock(exception: false) rescue IO::WaitReadable abort "should not raise" end end end x.report("exception: false (cached arg)") do arg = { exception: false } nr.times do begin s.accept_nonblock(arg) rescue IO::WaitReadable abort "should not raise" end end end end end * ext/socket/init.c (rsock_s_accept_nonblock): support exception: false [ruby-core:66385] [Feature #10532] * ext/socket/init.c (rsock_init_socket_init): define new symbols * ext/socket/rubysocket.h: adjust prototype * ext/socket/socket.c (sock_accept_nonblock): support exception: false * ext/openssl/ossl_ssl.c (ossl_ssl_accept_nonblock): ditto * ext/socket/socket.c (Init_socket): adjust accept_nonblock definition * ext/openssl/ossl_ssl.c (Init_ossl_ssl): ditto * ext/socket/tcpserver.c (rsock_init_tcpserver): ditto * ext/socket/unixserver.c (rsock_init_unixserver): ditto * ext/socket/tcpserver.c (tcp_accept_nonblock): adjust rsock_s_accept_nonblock call * ext/socket/unixserver.c (unix_accept_nonblock): ditto * ext/openssl/ossl_ssl.c (ossl_start_ssl): support no_exception * ext/openssl/ossl_ssl.c (ossl_ssl_connect): adjust ossl_start_ssl call * ext/openssl/ossl_ssl.c (ossl_ssl_connect_nonblock): ditto * ext/openssl/ossl_ssl.c (ossl_ssl_accept): ditto * test/socket/test_nonblock.rb (test_accept_nonblock): test for "exception :false" * test/socket/test_tcp.rb (test_accept_nonblock): new test * test/socket/test_unix.rb (test_accept_nonblock): ditto * test/openssl/test_pair.rb (test_accept_nonblock_no_exception): ditto git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49948 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/socket/socket.c')
-rw-r--r--ext/socket/socket.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/ext/socket/socket.c b/ext/socket/socket.c
index eeee571..bb18409 100644
--- a/ext/socket/socket.c
+++ b/ext/socket/socket.c
@@ -894,7 +894,7 @@ sock_accept(VALUE sock)
/*
* call-seq:
- * socket.accept_nonblock => [client_socket, client_addrinfo]
+ * socket.accept_nonblock([options]) => [client_socket, client_addrinfo]
*
* Accepts an incoming connection using accept(2) after
* O_NONBLOCK is set for the underlying file descriptor.
@@ -940,19 +940,27 @@ sock_accept(VALUE sock)
* it is extended by IO::WaitReadable.
* So IO::WaitReadable can be used to rescue the exceptions for retrying accept_nonblock.
*
+ * By specifying `exception: false`, the options hash allows you to indicate
+ * that accept_nonblock should not raise an IO::WaitReadable exception, but
+ * return the symbol :wait_readable instead.
+ *
* === See
* * Socket#accept
*/
static VALUE
-sock_accept_nonblock(VALUE sock)
+sock_accept_nonblock(int argc, VALUE *argv, VALUE sock)
{
rb_io_t *fptr;
VALUE sock2;
union_sockaddr buf;
+ struct sockaddr *addr = &buf.addr;
socklen_t len = (socklen_t)sizeof buf;
GetOpenFile(sock, fptr);
- sock2 = rsock_s_accept_nonblock(rb_cSocket, fptr, &buf.addr, &len);
+ sock2 = rsock_s_accept_nonblock(argc, argv, rb_cSocket, fptr, addr, &len);
+
+ if (SYMBOL_P(sock2)) /* :wait_readable */
+ return sock2;
return rb_assoc_new(sock2, rsock_io_socket_addrinfo(sock2, &buf.addr, len));
}
@@ -2154,7 +2162,7 @@ Init_socket(void)
rb_define_method(rb_cSocket, "bind", sock_bind, 1);
rb_define_method(rb_cSocket, "listen", rsock_sock_listen, 1);
rb_define_method(rb_cSocket, "accept", sock_accept, 0);
- rb_define_method(rb_cSocket, "accept_nonblock", sock_accept_nonblock, 0);
+ rb_define_method(rb_cSocket, "accept_nonblock", sock_accept_nonblock, -1);
rb_define_method(rb_cSocket, "sysaccept", sock_sysaccept, 0);
rb_define_method(rb_cSocket, "recvfrom", sock_recvfrom, -1);