Moving towards a server/clients structure.

3 files changed, 128 insertions, 0 deletions

diff --git a/src/server/server.c b/src/server/server.c
new file mode 100644
index 0000000..3ded7cc
--- /dev/null
+++ b/src/server/server.c
@@ -0,0 +1,59 @@
+#include <signal.h>
+
+#include "../cli/parameters.h"
+
+#include "server.h"
+
+volatile char ZoO_SERVER_IS_RUNNING = (char) 1;
+
+static void request_termination (int const signo)
+{
+   if ((signo == SIGINT) || (signo == SIGTERM))
+   {
+      ZoO_SERVER_IS_RUNNING = (char) 0;
+   }
+}
+
+int ZoO_server_main (const struct ZoO_parameters params)
+{
+   struct ZoO_server server;
+   struct ZoO_server_message msg_buffer;
+
+   if
+   (
+      ZoO_server_initialize
+      (
+         &server,
+         ZoO_parameters_get_session_name(&params)
+      ) < 0
+   )
+   {
+      return -1;
+   }
+
+   while ((ZoO_SERVER_IS_RUNNING == (char) 1) || (server.running_threads > 0))
+   {
+      if (ZoO_server_receive_message(&server, &msg_buffer) < 0)
+      {
+         ZoO_server_no_mq_termination(&server);
+
+         break;
+      }
+
+      switch (msg_buffer.type)
+      {
+         case 'C':
+            ZoO_server_new_client(&server, &msg_buffer);
+
+         case 'J':
+            ZoO_server_join_thread(&server, &msg_buffer);
+
+         default:
+            break;
+      }
+   }
+
+   ZoO_server_finalize(&server);
+
+   return 0;
+}
diff --git a/src/server/server.h b/src/server/server.h
new file mode 100644
index 0000000..a75c6e7
--- /dev/null
+++ b/src/server/server.h
@@ -0,0 +1,39 @@
+#ifndef _ZoO_SERVER_SERVER_H_
+#define _ZoO_SERVER_SERVER_H_
+
+#include "../cli/parameters_types.h"
+
+#include "server_types.h"
+
+int ZoO_server_cleanup_session (const char * session);
+
+int ZoO_server_initialize
+(
+   struct ZoO_server [const restrict static 1],
+   const char * session
+);
+
+int ZoO_server_main (const struct ZoO_parameters params);
+int ZoO_server_finalize (struct ZoO_server [const restrict static 1]);
+
+void ZoO_server_no_mq_termination (struct ZoO_server [const restrict static 1]);
+
+int ZoO_server_receive_message
+(
+   struct ZoO_server [const restrict static 1],
+   struct ZoO_server_message msg_buffer [const restrict static 1]
+);
+
+int ZoO_server_new_client
+(
+   struct ZoO_server [const restrict static 1],
+   struct ZoO_server_message msg_buffer [const restrict static 1]
+);
+
+int ZoO_server_join_thread
+(
+   struct ZoO_server [const restrict static 1],
+   struct ZoO_server_message msg_buffer [const restrict static 1]
+);
+
+#endif
diff --git a/src/server/server_types.h b/src/server/server_types.h
new file mode 100644
index 0000000..75016d4
--- /dev/null
+++ b/src/server/server_types.h
@@ -0,0 +1,30 @@
+#ifndef _ZoO_SERVER_SERVER_TYPES_H_
+#define _ZoO_SERVER_SERVER_TYPES_H_
+
+#include <mqueue.h>
+
+#include "../core/index.h"
+
+struct ZoO_server_pipes_data
+{
+   char request_pipe[255];
+   char reply_pipe[255];
+};
+
+struct ZoO_server_message
+{
+   char type;
+   union
+   {
+      struct ZoO_server_pipes_data pipes_name;
+      ZoO_index pthread_id;
+   } data;
+};
+
+struct ZoO_server
+{
+   mqd_t mailbox;
+   ZoO_index running_threads;
+};
+
+#endif