1 files changed, 114 insertions, 0 deletions
diff --git a/src/respondent.cpp b/src/respondent.cpp
new file mode 100644
index 0000000..c2abd84
--- /dev/null
+++ b/src/respondent.cpp
@@ -0,0 +1,114 @@
+/*
+    Copyright (c) 2012 250bpm s.r.o.
+    Copyright (c) 2012 Other contributors as noted in the AUTHORS file
+
+    This file is part of Crossroads I/O project.
+
+    Crossroads I/O 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.
+
+    Crossroads 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 "respondent.hpp"
+#include "err.hpp"
+#include "msg.hpp"
+
+xs::respondent_t::respondent_t (class ctx_t *parent_, uint32_t tid_, int sid_) :
+    xrespondent_t (parent_, tid_, sid_),
+    sending_reply (false)
+{
+    options.type = XS_RESPONDENT;
+}
+
+xs::respondent_t::~respondent_t ()
+{
+}
+
+int xs::respondent_t::xsend (msg_t *msg_, int flags_)
+{
+    //  If there's no ongoing survey, we cannot send reply.
+    if (!sending_reply) {
+        errno = EFSM;
+        return -1;
+    }
+
+    //  Survey pattern doesn't support multipart messages.
+    if (msg_->flags () & msg_t::more || flags_ & XS_SNDMORE) {
+        errno = EINVAL;
+        return -1;
+    }
+
+    //  Push message to the reply pipe.
+    int rc = xrespondent_t::xsend (msg_, flags_);
+    if (rc != 0)
+        return rc;
+
+    //  Flip the FSM back to request receiving state.
+    sending_reply = false;
+
+    return 0;
+}
+
+int xs::respondent_t::xrecv (msg_t *msg_, int flags_)
+{
+    //  If we are in middle of sending a reply, we cannot receive next survey.
+    if (sending_reply) {
+        errno = EFSM;
+        return -1;
+    }
+
+    //  First thing to do when receiving a srvey is to copy all the labels
+    //  to the reply pipe.
+    while (true) {
+        int rc = xrespondent_t::xrecv (msg_, flags_);
+        if (rc != 0)
+            return rc;
+        if (!(msg_->flags () & msg_t::more))
+            break;
+        rc = xrespondent_t::xsend (msg_, flags_);
+        errno_assert (rc == 0);
+    }
+
+    //  When whole survey is read, flip the FSM to reply-sending state.
+    sending_reply = true;
+
+    return 0;
+}
+
+bool xs::respondent_t::xhas_in ()
+{
+    if (sending_reply)
+        return false;
+
+    return xrespondent_t::xhas_in ();
+}
+
+bool xs::respondent_t::xhas_out ()
+{
+    if (!sending_reply)
+        return false;
+
+    return xrespondent_t::xhas_out ();
+}
+
+xs::respondent_session_t::respondent_session_t (io_thread_t *io_thread_,
+      bool connect_, socket_base_t *socket_, const options_t &options_,
+      const char *protocol_, const char *address_) :
+    xrespondent_session_t (io_thread_, connect_, socket_, options_, protocol_,
+        address_)
+{
+}
+
+xs::respondent_session_t::~respondent_session_t ()
+{
+}
+