ipcpd: Make the DHT a directory policy

The DHT is now a proper directory policy instead of a unicast IPCP
component.

Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>

2 files changed, 130 insertions, 0 deletions

diff --git a/src/ipcpd/unicast/dir/tests/CMakeLists.txt b/src/ipcpd/unicast/dir/tests/CMakeLists.txt
new file mode 100644
index 00000000..482711d5
--- /dev/null
+++ b/src/ipcpd/unicast/dir/tests/CMakeLists.txt
@@ -0,0 +1,37 @@
+get_filename_component(CURRENT_SOURCE_PARENT_DIR
+  ${CMAKE_CURRENT_SOURCE_DIR} DIRECTORY)
+get_filename_component(CURRENT_BINARY_PARENT_DIR
+  ${CMAKE_CURRENT_BINARY_DIR} DIRECTORY)
+
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
+include_directories(${CURRENT_SOURCE_PARENT_DIR})
+include_directories(${CURRENT_BINARY_PARENT_DIR})
+
+include_directories(${CMAKE_SOURCE_DIR}/include)
+include_directories(${CMAKE_BINARY_DIR}/include)
+
+get_filename_component(PARENT_PATH ${CMAKE_CURRENT_SOURCE_DIR} DIRECTORY)
+get_filename_component(PARENT_DIR ${PARENT_PATH} NAME)
+
+create_test_sourcelist(${PARENT_DIR}_tests test_suite.c
+  # Add new tests here
+  dht_test.c
+  )
+
+protobuf_generate_c(KAD_PROTO_SRCS KAD_PROTO_HDRS ../kademlia.proto)
+
+add_executable(${PARENT_DIR}_test EXCLUDE_FROM_ALL ${${PARENT_DIR}_tests}
+  ${KAD_PROTO_SRCS})
+target_link_libraries(${PARENT_DIR}_test ouroboros-common)
+
+add_dependencies(check ${PARENT_DIR}_test)
+
+set(tests_to_run ${${PARENT_DIR}_tests})
+remove(tests_to_run test_suite.c)
+
+foreach (test ${tests_to_run})
+  get_filename_component(test_name ${test} NAME_WE)
+  add_test(${test_name} ${C_TEST_PATH}/${PARENT_DIR}_test ${test_name})
+endforeach (test)
diff --git a/src/ipcpd/unicast/dir/tests/dht_test.c b/src/ipcpd/unicast/dir/tests/dht_test.c
new file mode 100644
index 00000000..70773ea7
--- /dev/null
+++ b/src/ipcpd/unicast/dir/tests/dht_test.c
@@ -0,0 +1,93 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2021
+ *
+ * Unit tests of the DHT
+ *
+ *    Dimitri Staessens <dimitri@ouroboros.rocks>
+ *    Sander Vrijders   <sander@ouroboros.rocks>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+#define __DHT_TEST__
+#define DHT_TEST_KEY_LEN  32
+
+
+#include "dht.c"
+
+#include <pthread.h>
+#include <time.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#define CONTACTS 1000
+
+int dht_test(int     argc,
+             char ** argv)
+{
+        uint8_t      key[DHT_TEST_KEY_LEN];
+        size_t       i;
+
+        (void) argc;
+        (void) argv;
+
+        if (dht_init() < 0) {
+                printf("Failed to create dht.\n");
+                return -1;
+        }
+
+        dht_fini();
+
+        if (dht_init() < 0) {
+                printf("Failed to re-create dht.\n");
+                return -1;
+        }
+
+        if (dht_bootstrap()) {
+                printf("Failed to bootstrap dht.\n");
+                dht_fini();
+                return -1;
+        }
+
+        dht_fini();
+
+        if (dht_init() < 0) {
+                printf("Failed to re-create dht.\n");
+                return -1;
+        }
+
+        if (dht_bootstrap()) {
+                printf("Failed to bootstrap dht.\n");
+                dht_fini();
+                return -1;
+        }
+
+        for (i = 0; i < CONTACTS; ++i) {
+                uint64_t addr;
+                random_buffer(&addr, sizeof(addr));
+                random_buffer(key, DHT_TEST_KEY_LEN);
+                pthread_rwlock_wrlock(&dht.lock);
+                if (dht_update_bucket(key, addr)) {
+                        pthread_rwlock_unlock(&dht.lock);
+                        printf("Failed to update bucket.\n");
+                        dht_fini();
+                        return -1;
+                }
+                pthread_rwlock_unlock(&dht.lock);
+        }
+
+        dht_fini();
+
+        return 0;
+}