X-Git-Url: http://www.project-moonshot.org/gitweb/?p=trust_router.git;a=blobdiff_plain;f=trp%2Ftrp_route_encoders.c;fp=trp%2Ftrp_route_encoders.c;h=ad913dac6300032e353f96e580204a2bcbcb62c1;hp=0000000000000000000000000000000000000000;hb=6f65c9cce86719147d0b4dcc9823b25443c2d185;hpb=eaa1a8ceed54fbfadc2638cf383aaa12ab446a57

diff --git a/trp/trp_route_encoders.c b/trp/trp_route_encoders.c
new file mode 100644
index 0000000..ad913da
--- /dev/null
+++ b/trp/trp_route_encoders.c
@@ -0,0 +1,155 @@
+/*
+ * Copyright (c) 2016-2018, JANET(UK)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of JANET(UK) nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <talloc.h>
+#include <jansson.h>
+
+#include <tr_name_internal.h>
+#include <trp_route.h>
+#include <trp_internal.h>
+#include <trp_rtable.h>
+#include <trust_router/trp.h>
+#include <tr_util.h>
+#include <tr_json_util.h>
+#include <tr_inet_util.h>
+
+/* Pretty print a route table entry to a newly allocated string. If sep is NULL,
+ * returns comma+space separated string. */
+char *trp_route_to_str(TALLOC_CTX *mem_ctx, TRP_ROUTE *entry, const char *sep)
+{
+  char *comm=tr_name_strdup(entry->comm);
+  char *realm=tr_name_strdup(entry->realm);
+  char *peer=tr_name_strdup(entry->peer);
+  char *trust_router=tr_name_strdup(entry->trust_router);
+  char *next_hop=tr_name_strdup(entry->next_hop);
+  char *expiry=timespec_to_str(entry->expiry);
+  char *result=NULL;
+
+  if (sep==NULL)
+    sep=", ";
+
+  result=talloc_asprintf(mem_ctx,
+                         "%s%s%s%s%s%s%u%s%s:%d%s%s:%d%s%u%s%u%s%s%s%u",
+                         comm, sep,
+                         realm, sep,
+                         peer, sep,
+                         entry->metric, sep,
+                         trust_router, entry->trust_router_port, sep,
+                         next_hop, entry->next_hop_port, sep,
+                         entry->selected, sep,
+                         entry->local, sep,
+                         expiry, sep,
+                         entry->triggered);
+  free(comm);
+  free(realm);
+  free(peer);
+  free(trust_router);
+  free(next_hop);
+  free(expiry);
+  return result;
+}
+
+/* helper */
+static json_t *expiry_to_json_string(TRP_ROUTE *route)
+{
+  struct timespec ts = {0}; /* initialization to zero is important */
+  char *s = NULL;
+  json_t *jstr = NULL;
+
+  if (tr_cmp_timespec(trp_route_get_expiry(route), &ts) > 0) {
+    if (trp_route_get_expiry_realtime(route, &ts) == NULL)
+      s = strdup("error");
+    else
+      s = timespec_to_str(&ts);
+
+    if (s) {
+      jstr = json_string(s);
+      free(s);
+    }
+  }
+
+  return jstr;
+}
+
+json_t *trp_route_to_json(TRP_ROUTE *route)
+{
+  json_t *route_json = NULL;
+  json_t *retval = NULL;
+  TR_NAME *n;
+
+  route_json = json_object();
+  if (route_json == NULL)
+    goto cleanup;
+
+  OBJECT_SET_OR_FAIL(route_json, "community", tr_name_to_json_string(trp_route_get_comm(route)));
+  OBJECT_SET_OR_FAIL(route_json, "realm", tr_name_to_json_string(trp_route_get_realm(route)));
+  if (trp_route_get_peer(route)->len > 0)
+    OBJECT_SET_OR_FAIL(route_json, "peer", tr_name_to_json_string(trp_route_get_peer(route)));
+  OBJECT_SET_OR_FAIL(route_json, "metric", json_integer(trp_route_get_metric(route)));
+
+  /* add trust_router as hostname:port */
+  n = tr_hostname_and_port_to_name(
+          trp_route_get_trust_router(route),
+          trp_route_get_trust_router_port(route));
+  if (n == NULL)
+    goto cleanup;
+  OBJECT_SET_OR_FAIL(route_json, "trust_router", tr_name_to_json_string(n));
+  tr_free_name(n);
+
+  /* add next_hop as hostname:port */
+  n = tr_hostname_and_port_to_name(
+      trp_route_get_next_hop(route),
+      trp_route_get_next_hop_port(route));
+  if (n == NULL)
+    goto cleanup;
+  OBJECT_SET_OR_FAIL(route_json, "next_hop", tr_name_to_json_string(n));
+  tr_free_name(n);
+
+  OBJECT_SET_OR_FAIL(route_json, "selected", json_boolean(trp_route_is_selected(route)));
+  OBJECT_SET_OR_FAIL(route_json, "local", json_boolean(trp_route_is_local(route)));
+  OBJECT_SET_OR_SKIP(route_json, "expires", expiry_to_json_string(route));
+
+  /* succeeded - set the return value and increment the reference count */
+  retval = route_json;
+  json_incref(retval);
+
+
+cleanup:
+  if (route_json)
+    json_decref(route_json);
+  return retval;
+}
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