WIP -- prepare for request objects.

7 files changed, 93 insertions, 7 deletions

diff --git a/lib/HACKING b/lib/HACKING
index 9cbab82..884ce2c 100644
--- a/lib/HACKING
+++ b/lib/HACKING
@@ -3,12 +3,15 @@ HACKING file for libradsec (in Emacs -*- org -*- mode).
 * Functionality
 ** Not implemented
 - reading config file
-- server fail over
 - resending packets
+- custom allocation scheme used in all places
+- callbacks invoked properly
+- server fail over
 - matching responses
-- TLS, DTLS
+- TLS
 - TLS PSK
 - autoconf/automake/libtool
+- DTLS
 ** Not tested
 - short read
 - short write
diff --git a/lib/examples/Makefile b/lib/examples/Makefile
index 692e9d6..4a0ab8f 100644
--- a/lib/examples/Makefile
+++ b/lib/examples/Makefile
@@ -1,4 +1,6 @@
-CFLAGS = -Wall -g -I ../include
+SPECIAL = # -DUSE_REQUEST_OBJECT
+
+CFLAGS = -Wall -g -I ../include $(SPECIAL)
 
 HFILES = ../include/radsec/radsec.h ../include/radsec/radsec-impl.h
 
diff --git a/lib/examples/client-blocking.c b/lib/examples/client-blocking.c
index 54fc05b..1e6ec25 100644
--- a/lib/examples/client-blocking.c
+++ b/lib/examples/client-blocking.c
@@ -7,6 +7,9 @@
 #include <event2/event.h>
 #include <freeradius/libradius.h>
 #include <radsec/radsec.h>
+#if defined(USE_REQUEST_OBJECT)
+#include <radsec/request.h>
+#endif
 
 #define SECRET "sikrit"
 #define USER_NAME "bob"
@@ -29,19 +32,31 @@ rsx_client (const char *srvname, int srvport)
     return rs_conn_err_pop (conn);
   if (rs_conn_add_server (conn, &server, RS_CONN_TYPE_UDP, srvname, srvport))
     return rs_conn_err_pop (conn);
-  rs_server_set_timeout (server, 10);
+  rs_server_set_timeout (server, 1);
   rs_server_set_tries (server, 3);
   rs_server_set_secret (server, SECRET);
 
   if (rs_packet_create_acc_request (conn, &req, USER_NAME, USER_PW))
     return rs_conn_err_pop (conn);
 
+#if !defined(USE_REQUEST_OBJECT)
   if (rs_packet_send (req, NULL))
     return rs_conn_err_pop (conn);
   req = NULL;
-
   if (rs_conn_receive_packet (conn, &resp))
     return rs_conn_err_pop (conn);
+#else
+  {
+    struct rs_request *request;
+
+    if (rs_request_new (conn, &request))
+      return rs_conn_err_pop (conn);
+    if (rs_req_send (request, req, &resp))
+      return rs_conn_err_pop (conn);
+    rs_request_destroy (request);
+  }
+#endif /* !defined(USE_REQUEST_OBJECT) */
+
   fr_pkt = rs_packet_frpkt (resp);
   fr_vp = fr_pkt->vps;		/* FIXME: Is there an accessor?  */
   vp_printlist(stdout, fr_vp);
diff --git a/lib/include/radsec/request-impl.h b/lib/include/radsec/request-impl.h
new file mode 100644
index 0000000..339dfea
--- /dev/null
+++ b/lib/include/radsec/request-impl.h
@@ -0,0 +1,10 @@
+/* See the file COPYING for licensing information.  */
+
+struct rs_request
+{
+  struct rs_connection *conn;
+  struct event *timer;
+  struct rs_packet *req;
+  struct rs_packet *resp;
+  struct rs_conn_callbacks saved_cb;
+};
diff --git a/lib/include/radsec/request.h b/lib/include/radsec/request.h
new file mode 100644
index 0000000..3827da5
--- /dev/null
+++ b/lib/include/radsec/request.h
@@ -0,0 +1,7 @@
+/* See the file COPYING for licensing information.  */
+
+struct rs_request;
+
+int rs_req_create(struct rs_connection *conn, struct rs_request **req_out);
+void rs_req_destroy(struct rs_request *request);
+int rs_req_send(struct rs_request *request, struct rs_packet *req, struct rs_packet **resp);
diff --git a/lib/packet.c b/lib/packet.c
index 79c140d..f39e4d6 100644
--- a/lib/packet.c
+++ b/lib/packet.c
@@ -418,6 +418,9 @@ rs_packet_frpkt(struct rs_packet *pkt)
 void
 rs_packet_destroy(struct rs_packet *pkt)
 {
-  rad_free (&pkt->rpkt);
-  rs_free (pkt->conn->ctx, pkt);
+  if (pkt)
+    {
+      rad_free (&pkt->rpkt);
+      rs_free (pkt->conn->ctx, pkt);
+    }
 }
diff --git a/lib/request.c b/lib/request.c
new file mode 100644
index 0000000..da38015
--- /dev/null
+++ b/lib/request.c
@@ -0,0 +1,46 @@
+/* See the file COPYING for licensing information.  */
+
+#include <time.h>
+#include <event2/event.h>
+#include <radsec/radsec.h>
+#include <radsec/radsec-impl.h>
+#include <radsec/request.h>
+#include <radsec/request-impl.h>
+
+int
+rs_req_create (struct rs_connection *conn, struct rs_request **req_out)
+{
+  struct rs_request *req = rs_malloc (conn->ctx, sizeof(*req));
+  if (!req)
+    return rs_conn_err_push_fl (conn, RSE_NOMEM, __FILE__, __LINE__, NULL);
+  memset (req, 0, sizeof(*req));
+  req->conn = conn;
+  *req_out = req;
+  return RSE_OK;
+}
+
+void
+rs_req_destroy(struct rs_request *request)
+{
+  rs_packet_destroy (request->req);
+  rs_packet_destroy (request->resp);
+  rs_free (request->conn->ctx, request);
+}
+
+#if 0
+static void
+_timer_cb(evutil_socket_t fd, short what, void *arg)
+
+{
+}
+#endif
+
+int
+rs_req_send(struct rs_request *request, struct rs_packet *req,
+	    struct rs_packet **resp)
+{
+  /* install our own callback, backing up any user provided one in
+     req->saved_cb*/
+
+  return -1;
+}