Channel implementation for async interface

cmake_targets/CMakeLists.txt

@@ -748,6 +748,7 @@ if (ENB_AGENT_SB_IF)
     ${OPENAIR2_DIR}/ENB_APP/enb_agent.c
     ${OPENAIR2_DIR}/ENB_APP/enb_agent_task_manager.c
     ${OPENAIR2_DIR}/ENB_APP/enb_agent_net_comm.c
+    ${OPENAIR2_DIR}/ENB_APP/enb_agent_async.c
     )
   set(ENB_AGENT_LIB ENB_AGENT)
   #include_directories(${OPENAIR2_DIR}/ENB_APP)

openair2/ENB_APP/enb_agent_async.c

+/*******************************************************************************
+    OpenAirInterface
+    Copyright(c) 1999 - 2014 Eurecom
+
+    OpenAirInterface is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+
+    OpenAirInterface 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenAirInterface.The full GNU General Public License is
+   included in this distribution in the file called "COPYING". If not,
+   see <http://www.gnu.org/licenses/>.
+
+  Contact Information
+  OpenAirInterface Admin: openair_admin@eurecom.fr
+  OpenAirInterface Tech : openair_tech@eurecom.fr
+  OpenAirInterface Dev  : openair4g-devel@lists.eurecom.fr
+
+  Address      : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
+
+ *******************************************************************************/
+
+/*! \file enb_agent_async.c
+ * \brief channel implementation for async interface
+ * \author Xenofon Foukas
+ * \date 2016
+ * \version 0.1
+ */
+
+#include "enb_agent_async.h"
+#include "enb_agent_defs.h"
+
+#include "log.h"
+
+enb_agent_instance_t * enb_agent_async_channel_info(mid_t mod_id, char *dst_ip, uint16_t dst_port) {
+
+  enb_agent_instance_t *channel;
+  channel = (enb_agent_instance_t *) malloc(sizeof(enb_agent_instance_t));
+  
+  if (channel == NULL)
+    goto error;
+
+  channel->mod_id = mod_id;
+  /*Create a socket*/
+  channel->link = new_link_client(dst_ip, dst_port);
+  if (channel->link == NULL) goto error;
+  
+  LOG_I(ENB_AGENT,"starting enb agent client for module id %d on ipv4 %s, port %d\n",  
+	channel->mod_id,
+	dst_ip,
+	dst_port);
+  
+   /* 
+   * create a message queue
+   */ 
+  
+  channel->send_queue = new_message_queue();
+  if (channel->send_queue == NULL) goto error;
+  channel->receive_queue = new_message_queue();
+  if (channel->receive_queue == NULL) goto error;
+  
+   /* 
+   * create a link manager 
+   */  
+  channel->manager = create_link_manager(channel->send_queue, channel->receive_queue, channel->link);
+  if (channel->manager == NULL) goto error;
+  
+  return channel;
+
+ error:
+  LOG_I(ENB_AGENT,"there was an error\n");
+  return 1;
+}
+
+int enb_agent_async_msg_send(void *data, int size, int priority, void *channel_info) {
+  enb_agent_instance_t *channel;
+  channel = (enb_agent_instance_t *)channel_info;
+
+  return message_put(channel->send_queue, data, size, priority);
+}
+
+int enb_agent_async_msg_recv(void **data, int *size, int *priority, void *channel_info) {
+  enb_agent_instance_t *channel;
+  channel = (enb_agent_instance_t *)channel_info;
+
+  return message_get(channel->receive_queue, data, size, priority);
+}
+
+void enb_agent_async_release(enb_agent_channel_t *channel) {
+  enb_agent_instance_t *channel_info;
+  channel_info = (enb_agent_instance_t *) channel->channel_info;
+
+  destroy_link_manager(channel_info->manager);
+  
+  destroy_message_queue(channel_info->send_queue);
+  destroy_message_queue(channel_info->receive_queue);
+  
+  close_link(channel_info->link);
+  free(channel_info);
+}

openair2/ENB_APP/enb_agent_async.h

+/*******************************************************************************
+    OpenAirInterface
+    Copyright(c) 1999 - 2014 Eurecom
+
+    OpenAirInterface is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+
+    OpenAirInterface 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenAirInterface.The full GNU General Public License is
+   included in this distribution in the file called "COPYING". If not,
+   see <http://www.gnu.org/licenses/>.
+
+  Contact Information
+  OpenAirInterface Admin: openair_admin@eurecom.fr
+  OpenAirInterface Tech : openair_tech@eurecom.fr
+  OpenAirInterface Dev  : openair4g-devel@lists.eurecom.fr
+
+  Address      : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
+
+ *******************************************************************************/
+
+/*! \file enb_agent_async.h
+ * \brief channel implementation for async interface
+ * \author Xenofon Foukas
+ * \date 2016
+ * \version 0.1
+ */
+
+#ifndef ENB_AGENT_ASYNC_H_
+#define ENB_AGENT_ASYNC_H_
+
+#include "enb_agent_net_comm.h"
+
+enb_agent_instance_t * enb_agent_async_channel_info(mid_t mod_id, char *dst_ip, uint16_t dst_port);
+
+int enb_agent_async_msg_send(void *data, int size, int priority, void *channel_info);
+
+int enb_agent_async_msg_recv(void **data, int *size, int *priority, void *channel_info);
+
+void enb_agent_async_release(enb_agent_channel_t *channel);
+
+
+#endif /*ENB_AGENT_ASYNC_H_*/