From eda2441b5354829bea9225a99e0b96f0ba40b7ab Mon Sep 17 00:00:00 2001 From: normal Date: Tue, 17 Nov 2015 01:05:30 +0000 Subject: socket: avoid arg parsing in bsock_sendmsg_internal * ext/socket/ancdata.c (bsock_sendmsg_internal): avoid arg parsing [ruby-core:71439] [Feature #11339] (rsock_bsock_sendmsg): make private, adjust for above (rsock_bsock_sendmsg_nonblock): ditto * ext/socket/rubysocket.h: adjust prototypes (rsock_opt_false_p): remove * ext/socket/basicsocket.c (rsock_init_basicsocket): define private methods * ext/socket/lib/socket.rb (BasicSocket#sendmsg): new wrapper (BasicSocket#sendmsg_nonblock): ditto target 0: a (ruby 2.3.0dev (2015-11-12 trunk 52550) [x86_64-linux]) target 1: b (ruby 2.3.0dev (2015-11-12 avoid-kwarg-capi 52550) [x86_64-linux] ----------------------------------------------------------- sendmsg_nonblock require 'socket' nr = 1_000_000 i = 0 msg = '.' buf = '.' begin r, w = UNIXSocket.pair(:SEQPACKET) while i < nr i += 1 w.sendmsg_nonblock(msg, exception: false) r.recv(1, 0, buf) end ensure r.close w.close end ----------------------------------------------------------- raw data: [["sendmsg_nonblock", [[1.875997293740511, 1.8452614955604076, 1.8449317328631878, 1.8418389447033405, 1.869386937469244], [1.5175109766423702, 1.4987873211503029, 1.4989623799920082, 1.47918451577425, 1.5017359890043736]]]] Elapsed time: 16.775453245 (sec) ----------------------------------------------------------- benchmark results: minimum results in each 5 measurements. Execution time (sec) name a b sendmsg_nonblock 1.842 1.479 Speedup ratio: compare with the result of `a' (greater is better) name b sendmsg_nonblock 1.245 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52603 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/socket/ancdata.c | 82 +++++++++++----------------------------------------- 1 file changed, 17 insertions(+), 65 deletions(-) (limited to 'ext/socket/ancdata.c') diff --git a/ext/socket/ancdata.c b/ext/socket/ancdata.c index 877975e4df..7e0441c042 100644 --- a/ext/socket/ancdata.c +++ b/ext/socket/ancdata.c @@ -3,7 +3,7 @@ #include int rsock_cmsg_cloexec_state = -1; /* <0: unknown, 0: ignored, >0: working */ -static VALUE sym_exception, sym_wait_readable, sym_wait_writable; +static VALUE sym_wait_readable, sym_wait_writable; #if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) static VALUE rb_cAncillaryData; @@ -1128,14 +1128,13 @@ rb_sendmsg(int fd, const struct msghdr *msg, int flags) } static VALUE -bsock_sendmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) +bsock_sendmsg_internal(VALUE sock, VALUE data, VALUE vflags, + VALUE dest_sockaddr, VALUE controls, VALUE ex, + int nonblock) { rb_io_t *fptr; - VALUE data, vflags, dest_sockaddr; struct msghdr mh; struct iovec iov; - VALUE opts = Qnil; - VALUE controls = Qnil; int controls_num; #if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) VALUE controls_str = 0; @@ -1149,15 +1148,11 @@ bsock_sendmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) family = rsock_getfamily(fptr); #endif - data = vflags = dest_sockaddr = Qnil; - - if (argc == 0) - rb_raise(rb_eArgError, "mesg argument required"); - - rb_scan_args(argc, argv, "12*:", &data, &vflags, &dest_sockaddr, &controls, - &opts); - StringValue(data); + + if (!RB_TYPE_P(controls, T_ARRAY)) { + controls = rb_ary_new(); + } controls_num = RARRAY_LENINT(controls); if (controls_num) { @@ -1285,7 +1280,7 @@ bsock_sendmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) goto retry; } if (nonblock && (errno == EWOULDBLOCK || errno == EAGAIN)) { - if (rsock_opt_false_p(opts, sym_exception)) { + if (ex == Qfalse) { return sym_wait_writable; } rb_readwrite_sys_fail(RB_IO_WAIT_WRITABLE, @@ -1302,64 +1297,22 @@ bsock_sendmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) #endif #if defined(HAVE_SENDMSG) -/* - * call-seq: - * basicsocket.sendmsg(mesg, flags=0, dest_sockaddr=nil, *controls) => numbytes_sent - * - * sendmsg sends a message using sendmsg(2) system call in blocking manner. - * - * _mesg_ is a string to send. - * - * _flags_ is bitwise OR of MSG_* constants such as Socket::MSG_OOB. - * - * _dest_sockaddr_ is a destination socket address for connection-less socket. - * It should be a sockaddr such as a result of Socket.sockaddr_in. - * An Addrinfo object can be used too. - * - * _controls_ is a list of ancillary data. - * The element of _controls_ should be Socket::AncillaryData or - * 3-elements array. - * The 3-element array should contains cmsg_level, cmsg_type and data. - * - * The return value, _numbytes_sent_ is an integer which is the number of bytes sent. - * - * sendmsg can be used to implement send_io as follows: - * - * # use Socket::AncillaryData. - * ancdata = Socket::AncillaryData.int(:UNIX, :SOCKET, :RIGHTS, io.fileno) - * sock.sendmsg("a", 0, nil, ancdata) - * - * # use 3-element array. - * ancdata = [:SOCKET, :RIGHTS, [io.fileno].pack("i!")] - * sock.sendmsg("\0", 0, nil, ancdata) - * - */ VALUE -rsock_bsock_sendmsg(int argc, VALUE *argv, VALUE sock) +rsock_bsock_sendmsg(VALUE sock, VALUE data, VALUE flags, VALUE dest_sockaddr, + VALUE controls) { - return bsock_sendmsg_internal(argc, argv, sock, 0); + return bsock_sendmsg_internal(sock, data, flags, dest_sockaddr, controls, + Qtrue, 0); } #endif #if defined(HAVE_SENDMSG) -/* - * call-seq: - * basicsocket.sendmsg_nonblock(mesg, flags=0, dest_sockaddr=nil, *controls, opts={}) => numbytes_sent - * - * sendmsg_nonblock sends a message using sendmsg(2) system call in non-blocking manner. - * - * It is similar to BasicSocket#sendmsg - * but the non-blocking flag is set before the system call - * and it doesn't retry the system call. - * - * By specifying `exception: false`, the _opts_ hash allows you to indicate - * that sendmsg_nonblock should not raise an IO::WaitWritable exception, but - * return the symbol :wait_writable instead. - */ VALUE -rsock_bsock_sendmsg_nonblock(int argc, VALUE *argv, VALUE sock) +rsock_bsock_sendmsg_nonblock(VALUE sock, VALUE data, VALUE flags, + VALUE dest_sockaddr, VALUE controls, VALUE ex) { - return bsock_sendmsg_internal(argc, argv, sock, 1); + return bsock_sendmsg_internal(sock, data, flags, dest_sockaddr, + controls, ex, 1); } #endif @@ -1773,7 +1726,6 @@ rsock_init_ancdata(void) rb_define_method(rb_cAncillaryData, "ipv6_pktinfo_ifindex", ancillary_ipv6_pktinfo_ifindex, 0); #endif #undef rb_intern - sym_exception = ID2SYM(rb_intern("exception")); sym_wait_readable = ID2SYM(rb_intern("wait_readable")); sym_wait_writable = ID2SYM(rb_intern("wait_writable")); } -- cgit v1.2.3