From 0a2f88984a4543aa69c15d8d8639180816857a6b Mon Sep 17 00:00:00 2001
From: Martin Sustrik <sustrik@250bpm.com>
Date: Wed, 13 Jun 2012 10:25:18 +0200
Subject: Revert "Implement SP wire protocol"

This reverts commit a34ea4d80609395150742259fd8c9caa4409e961.
---
 src/xsub.cpp | 55 +++++++------------------------------------------------
 1 file changed, 7 insertions(+), 48 deletions(-)

(limited to 'src/xsub.cpp')

diff --git a/src/xsub.cpp b/src/xsub.cpp
index 0a9ff7e..599b947 100644
--- a/src/xsub.cpp
+++ b/src/xsub.cpp
@@ -29,10 +29,6 @@ xs::xsub_t::xsub_t (class ctx_t *parent_, uint32_t tid_, int sid_) :
     socket_base_t (parent_, tid_, sid_)
 {
     options.type = XS_XSUB;
-    options.sp_pattern = SP_PUBSUB;
-    options.sp_version = 4;
-    options.sp_role = SP_PUBSUB_SUB;
-    options.sp_complement = SP_PUBSUB_PUB;
 
     //  When socket is being closed down we don't want to wait till pending
     //  subscription commands are sent to the wire.
@@ -46,42 +42,6 @@ xs::xsub_t::~xsub_t ()
 {
 }
 
-int xs::xsub_t::xsetsockopt (int option_, const void *optval_,
-    size_t optvallen_)
-{
-    if (option_ != XS_PATTERN_VERSION) {
-        errno = EINVAL;
-        return -1;
-    }
-
-    if (optvallen_ != sizeof (int)) {
-        errno = EINVAL;
-        return -1;
-    }
-
-    if (!optval_) {
-        errno = EFAULT;
-        return -1;
-    }
-
-    int version = *(int *) optval_;
-    switch (version) {
-    case 1:
-        options.legacy_protocol = true;
-        options.sp_version = 1;
-        break;
-    case 3:
-        options.legacy_protocol = false;
-        options.sp_version = 3;
-        break;
-    default:
-        errno = EINVAL;
-        return -1;
-    }
-
-    return 0;
-}
-
 void xs::xsub_t::xattach_pipe (pipe_t *pipe_, bool icanhasall_)
 {
     xs_assert (pipe_);
@@ -89,7 +49,7 @@ void xs::xsub_t::xattach_pipe (pipe_t *pipe_, bool icanhasall_)
 
     //  Pipes with 0MQ/2.1-style protocol are not eligible for accepting
     //  subscriptions.
-    if (pipe_->get_sp_version () == 1)
+    if (pipe_->get_protocol () == 1)
         return;
 
     dist.attach (pipe_);
@@ -115,14 +75,14 @@ void xs::xsub_t::xwrite_activated (pipe_t *pipe_)
 void xs::xsub_t::xterminated (pipe_t *pipe_)
 {
     fq.terminated (pipe_);
-    if (pipe_->get_sp_version () != 1)
+    if (pipe_->get_protocol () != 1)
         dist.terminated (pipe_);
 }
 
 void xs::xsub_t::xhiccuped (pipe_t *pipe_)
 {
     //  In 0MQ/2.1 protocol there is no subscription forwarding.
-    if (pipe_->get_sp_version () == 1)
+    if (pipe_->get_protocol () == 1)
         return;
 
     //  Send all the cached subscriptions to the new upstream peer.
@@ -144,13 +104,13 @@ int xs::xsub_t::xsend (msg_t *msg_, int flags_)
     }
     int cmd = get_uint16 (data);
     int filter_id = get_uint16 (data + 2);
-    if (cmd != SP_PUBSUB_CMD_SUBSCRIBE && cmd != SP_PUBSUB_CMD_UNSUBSCRIBE) {
+    if (cmd != XS_CMD_SUBSCRIBE && cmd != XS_CMD_UNSUBSCRIBE) {
         errno = EINVAL;
         return -1;
     }
 
     //  Process the subscription.
-    if (cmd == SP_PUBSUB_CMD_SUBSCRIBE) {
+    if (cmd == XS_CMD_SUBSCRIBE) {
         subscriptions_t::iterator it = subscriptions.insert (
            std::make_pair (std::make_pair (filter_id,
            blob_t (data + 4, size - 4)), 0)).first;
@@ -158,7 +118,7 @@ int xs::xsub_t::xsend (msg_t *msg_, int flags_)
         if (it->second == 1)
             return dist.send_to_all (msg_, flags_);
     }
-    else if (cmd == SP_PUBSUB_CMD_UNSUBSCRIBE) {
+    else if (cmd == XS_CMD_UNSUBSCRIBE) {
         subscriptions_t::iterator it = subscriptions.find (
             std::make_pair (filter_id, blob_t (data + 4, size - 4)));
         if (it != subscriptions.end ()) {
@@ -202,8 +162,7 @@ void xs::xsub_t::send_subscription (pipe_t *pipe_, bool subscribe_,
     int rc = msg.init_size (size_ + 4);
     errno_assert (rc == 0);
     unsigned char *data = (unsigned char*) msg.data ();
-    put_uint16 (data, subscribe_ ? SP_PUBSUB_CMD_SUBSCRIBE :
-        SP_PUBSUB_CMD_UNSUBSCRIBE);
+    put_uint16 (data, subscribe_ ? XS_CMD_SUBSCRIBE : XS_CMD_UNSUBSCRIBE);
     put_uint16 (data + 2, filter_id_);
     memcpy (data + 4, data_, size_);
 
-- 
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