tools: Simple echo application

This adds a simple echo application written to show application how to
use the API. It also updates the dev.h header file with the insights
gained from performing this excercise.

2 files changed, 16 insertions, 18 deletions

diff --git a/include/ouroboros/common.h b/include/ouroboros/common.h
index 1ff4267b..7114ed73 100644
--- a/include/ouroboros/common.h
+++ b/include/ouroboros/common.h
@@ -28,8 +28,6 @@
 #include <stdbool.h>
 #include <errno.h>
 
-typedef uint32_t port_id_t;
-
 typedef struct {
         uint8_t * data;
         size_t    size;
diff --git a/include/ouroboros/dev.h b/include/ouroboros/dev.h
index 217352ef..39194abd 100644
--- a/include/ouroboros/dev.h
+++ b/include/ouroboros/dev.h
@@ -23,30 +23,30 @@
 #ifndef OUROBOROS_DEV_H
 #define OUROBOROS_DEV_H
 
-#include "common.h"
-
-struct qos_spec * list_qos_cubes(rina_name_t dst,
-                                 struct qos_spec min_qos);
+#include <ouroboros/common.h>
 
 /* Returns file descriptor */
-int ap_reg(rina_name_t name, char ** difs);
-int ap_unreg(rina_name_t name, char ** difs);
+int     ap_reg(char * ap_name, char * ae_name,
+               char ** difs, size_t difs_size);
+int     ap_unreg(char * ap_name, char * ae_name,
+                 char ** difs, size_t difs_size);
 
-/* Returns file descriptor (> 0) */
-int flow_accept(int fd, rina_name_t * name);
-int flow_alloc_resp(int fd, int result);
+/* Returns file descriptor (> 0) and client name(s) */
+int     flow_accept(int fd, char * ap_name, char * ae_name);
+int     flow_alloc_resp(int fd, int result);
 
 /* Returns file descriptor */
-int flow_alloc(rina_name_t src, rina_name_t dst,
-               struct qos_spec qos, int oflags);
+int     flow_alloc(char * dst_ap_name, char * dst_ae_name,
+                   char * src_ap_name, char * src_ae_name,
+                   struct qos_spec * qos, int oflags);
 
 /* If flow is accepted returns a value > 0 */
-int flow_alloc_res(int fd);
-int flow_dealloc(int fd);
+int     flow_alloc_res(int fd);
+int     flow_dealloc(int fd);
 
 /* Wraps around fnctl */
-int flow_cntl(int fd, int oflags);
-int flow_write(int fd, buffer_t * sdu);
-int flow_read(int fd, buffer_t * sdu);
+int     flow_cntl(int fd, int oflags);
+ssize_t flow_write(int fd, void * buf, size_t count);
+ssize_t flow_read(int fd, void * buf, size_t count);
 
 #endif