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-rw-r--r--src/lib/CMakeLists.txt11
-rw-r--r--src/lib/cacep.c170
-rw-r--r--src/lib/cacep.proto29
3 files changed, 205 insertions, 5 deletions
diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
index 22971806..f5273904 100644
--- a/src/lib/CMakeLists.txt
+++ b/src/lib/CMakeLists.txt
@@ -8,8 +8,8 @@ protobuf_generate_c(IRM_PROTO_SRCS IRM_PROTO_HDRS irmd_messages.proto)
protobuf_generate_c(IPCP_PROTO_SRCS IPCP_PROTO_HDRS ipcpd_messages.proto)
protobuf_generate_c(DIF_CONFIG_PROTO_SRCS DIF_CONFIG_PROTO_HDRS
dif_config.proto)
-protobuf_generate_c(CDAP_PROTO_SRCS CDAP_PROTO_HDRS
- cdap.proto)
+protobuf_generate_c(CDAP_PROTO_SRCS CDAP_PROTO_HDRS cdap.proto)
+protobuf_generate_c(CACEP_PROTO_SRCS CACEP_PROTO_HDRS cacep.proto)
if(NOT APPLE)
find_library(LIBRT_LIBRARIES rt)
@@ -28,6 +28,7 @@ endif()
set(SOURCE_FILES
# Add source files here
bitmap.c
+ cacep.c
cdap.c
cdap_req.c
dev.c
@@ -45,9 +46,9 @@ set(SOURCE_FILES
utils.c
)
-add_library(ouroboros SHARED ${SOURCE_FILES}
- ${IRM_PROTO_SRCS} ${IPCP_PROTO_SRCS}
- ${DIF_CONFIG_PROTO_SRCS} ${CDAP_PROTO_SRCS})
+add_library(ouroboros SHARED ${SOURCE_FILES} ${IRM_PROTO_SRCS}
+ ${IPCP_PROTO_SRCS} ${DIF_CONFIG_PROTO_SRCS}
+ ${CDAP_PROTO_SRCS} ${CACEP_PROTO_SRCS})
target_link_libraries(ouroboros ${LIBRT_LIBRARIES}
${LIBPTHREAD_LIBRARIES} ${PROTOBUF_C_LIBRARY})
diff --git a/src/lib/cacep.c b/src/lib/cacep.c
new file mode 100644
index 00000000..90994c04
--- /dev/null
+++ b/src/lib/cacep.c
@@ -0,0 +1,170 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2017
+ *
+ * The Common Application Connection Establishment Phase
+ *
+ * Sander Vrijders <sander.vrijders@intec.ugent.be>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1 as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#include <ouroboros/config.h>
+#include <ouroboros/cacep.h>
+#include <ouroboros/dev.h>
+#include <ouroboros/errno.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "cacep.pb-c.h"
+typedef Cacep cacep_t;
+
+#define BUF_SIZE 2048
+
+struct cacep {
+ int fd;
+ char * name;
+ uint64_t address;
+};
+
+struct cacep * cacep_create(int fd,
+ char * name,
+ uint64_t address)
+{
+ struct cacep * tmp;
+
+ tmp = malloc(sizeof(*tmp));
+ if (tmp == NULL)
+ return NULL;
+
+ tmp->fd = fd;
+ tmp->address = address;
+ tmp->name = strdup(name);
+ if (tmp->name == NULL) {
+ free(tmp);
+ return NULL;
+ }
+
+ return tmp;
+}
+
+int cacep_destroy(struct cacep * instance)
+{
+ if (instance == NULL)
+ return 0;
+
+ free(instance);
+
+ return 0;
+}
+
+static struct cacep_info * read_msg(struct cacep * instance)
+{
+ struct cacep_info * tmp;
+ uint8_t buf[BUF_SIZE];
+ cacep_t * msg;
+ ssize_t len;
+
+ len = flow_read(instance->fd, buf, BUF_SIZE);
+ if (len < 0)
+ return NULL;
+
+ msg = cacep__unpack(NULL, len, buf);
+ if (msg == NULL)
+ return NULL;
+
+ tmp = malloc(sizeof(*tmp));
+ if (tmp == NULL) {
+ cacep__free_unpacked(msg, NULL);
+ return NULL;
+ }
+
+ tmp->addr = msg->address;
+ tmp->name = strdup(msg->name);
+ if (tmp->name == NULL) {
+ free(tmp);
+ cacep__free_unpacked(msg, NULL);
+ return NULL;
+ }
+
+ cacep__free_unpacked(msg, NULL);
+
+ return tmp;
+}
+
+static int send_msg(struct cacep * instance)
+{
+ cacep_t msg = CACEP__INIT;
+ int ret = 0;
+ uint8_t * data = NULL;
+ size_t len = 0;
+
+ msg.name = instance->name;
+ msg.address = instance->address;
+
+ len = cacep__get_packed_size(&msg);
+ if (len == 0)
+ return -1;
+
+ data = malloc(len);
+ if (data == NULL)
+ return -ENOMEM;
+
+ cacep__pack(&msg, data);
+
+ if (flow_write(instance->fd, data, len) < 0)
+ ret = -1;
+
+ free(data);
+
+ return ret;
+}
+
+struct cacep_info * cacep_auth(struct cacep * instance)
+{
+ struct cacep_info * tmp;
+
+ if (instance == NULL)
+ return NULL;
+
+ if (send_msg(instance))
+ return NULL;
+
+ tmp = read_msg(instance);
+ if (tmp == NULL)
+ return NULL;
+
+ return tmp;
+}
+
+struct cacep_info * cacep_auth_wait(struct cacep * instance)
+{
+ struct cacep_info * tmp;
+
+ if (instance == NULL)
+ return NULL;
+
+ tmp = read_msg(instance);
+ if (tmp == NULL)
+ return NULL;
+
+ if (send_msg(instance)) {
+ free(tmp->name);
+ free(tmp);
+ return NULL;
+ }
+
+ return tmp;
+}
diff --git a/src/lib/cacep.proto b/src/lib/cacep.proto
new file mode 100644
index 00000000..603b095d
--- /dev/null
+++ b/src/lib/cacep.proto
@@ -0,0 +1,29 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2017
+ *
+ * CACEP message
+ *
+ * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
+ * Sander Vrijders <sander.vrijders@intec.ugent.be>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1 as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+syntax = "proto2";
+
+message cacep {
+ required string name = 1;
+ required uint64 address = 2;
+}