m + begin on libmds_connection_t

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 80 insertions, 0 deletions

diff --git a/src/libmdsclient/comm.c b/src/libmdsclient/comm.c
new file mode 100644
index 0000000..c9cdcde
--- /dev/null
+++ b/src/libmdsclient/comm.c
@@ -0,0 +1,80 @@
+/**
+ * mds — A micro-display server
+ * Copyright © 2014, 2015  Mattias Andrée (maandree@member.fsf.org)
+ * 
+ * This program 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.
+ * 
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "comm.h"
+
+#include <stdlib.h>
+
+
+
+/**
+ * Initialise a connection descriptor with the the default values
+ * 
+ * @param  this  The connection descriptor
+ */
+void libmds_connection_initialise(libmds_connection_t* restrict this)
+{
+  this->socket_fd = -1;
+  this->message_id = UINT32_MAX;
+  this->client_id = NULL;
+}
+
+
+/**
+ * Allocate and initialise a connection descriptor
+ * 
+ * @return  The connection descriptor, `NULL` on error
+ * 
+ * @throws  ENOMEM  Out of memory, Possibly, the process hit the RLIMIT_AS or
+ *                  RLIMIT_DATA limit described in getrlimit(2).
+ */
+libmds_connection_t* libmds_connection_create(void)
+{
+  libmds_connection_t* rc = malloc(sizeof(libmds_connection_t));
+  if (rc == NULL)
+    return NULL;
+  libmds_connection_initialise(rc);
+  return rc;
+}
+
+
+/**
+ * Release all resources held by a connection descriptor
+ * 
+ * @param  this  The connection descriptor, may be `NULL`
+ */
+void libmds_connection_destroy(libmds_connection_t* restrict this)
+{
+  if (this == NULL)
+    return;
+  
+  /* TODO */
+}
+
+
+/**
+ * Release all resources held by a connection descriptor,
+ * and release the allocation of the connection descriptor
+ * 
+ * @param  this  The connection descriptor, may be `NULL`
+ */
+void libmds_connection_free(libmds_connection_t* restrict this)
+{
+  libmds_connection_destroy(this);
+  free(this);
+}
+