1 files changed, 103 insertions, 0 deletions
diff --git a/src/v1_encoder.cpp b/src/v1_encoder.cpp
new file mode 100644
index 0000000..c0eb520
--- /dev/null
+++ b/src/v1_encoder.cpp
@@ -0,0 +1,103 @@
+/*
+    Copyright (c) 2007-2012 iMatix Corporation
+    Copyright (c) 2009-2011 250bpm s.r.o.
+    Copyright (c) 2011 VMware, Inc.
+    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+    This file is part of 0MQ.
+
+    0MQ is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    0MQ is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "v1_protocol.hpp"
+#include "v1_encoder.hpp"
+#include "likely.hpp"
+#include "wire.hpp"
+
+zmq::v1_encoder_t::v1_encoder_t (size_t bufsize_, i_msg_source *msg_source_) :
+    encoder_base_t <v1_encoder_t> (bufsize_),
+    msg_source (msg_source_)
+{
+    int rc = in_progress.init ();
+    errno_assert (rc == 0);
+
+    //  Write 0 bytes to the batch and go to message_ready state.
+    next_step (NULL, 0, &v1_encoder_t::message_ready, true);
+}
+
+zmq::v1_encoder_t::~v1_encoder_t ()
+{
+    int rc = in_progress.close ();
+    errno_assert (rc == 0);
+}
+
+void zmq::v1_encoder_t::set_msg_source (i_msg_source *msg_source_)
+{
+    msg_source = msg_source_;
+}
+
+bool zmq::v1_encoder_t::message_ready ()
+{
+    //  Release the content of the old message.
+    int rc = in_progress.close ();
+    errno_assert (rc == 0);
+
+    //  Read new message. If there is none, return false.
+    //  Note that new state is set only if write is successful. That way
+    //  unsuccessful write will cause retry on the next state machine
+    //  invocation.
+    if (unlikely (!msg_source)) {
+        rc = in_progress.init ();
+        errno_assert (rc == 0);
+        return false;
+    }
+
+    rc = msg_source->pull_msg (&in_progress);
+    if (unlikely (rc)) {
+        errno_assert (errno == EAGAIN);
+        rc = in_progress.init ();
+        errno_assert (rc == 0);
+        return false;
+    }
+
+    //  Encode flags.
+    unsigned char &protocol_flags = tmpbuf [0];
+    protocol_flags = 0;
+    if (in_progress.flags () & msg_t::more)
+        protocol_flags |= v1_protocol_t::more_flag;
+    if (in_progress.size () > 255)
+        protocol_flags |= v1_protocol_t::large_flag;
+
+    //  Encode the message length. For messages less then 256 bytes,
+    //  the length is encoded as 8-bit unsigned integer. For larger
+    //  messages, 64-bit unsigned integer in network byte order is used.
+    const size_t size = in_progress.size ();
+    if (unlikely (size > 255)) {
+        put_uint64 (tmpbuf + 1, size);
+        next_step (tmpbuf, 9, &v1_encoder_t::size_ready, false);
+    }
+    else {
+        tmpbuf [1] = static_cast <uint8_t> (size);
+        next_step (tmpbuf, 2, &v1_encoder_t::size_ready, false);
+    }
+    return true;
+}
+
+bool zmq::v1_encoder_t::size_ready ()
+{
+    //  Write message body into the buffer.
+    next_step (in_progress.data (), in_progress.size (),
+        &v1_encoder_t::message_ready, !(in_progress.flags () & msg_t::more));
+    return true;
+}