lib: Initial messages for the IRM

This provides the initial messages to be passed between the irmd and
libouroboros-irm.

6 files changed, 306 insertions, 3 deletions

diff --git a/include/ouroboros/sockets.h b/include/ouroboros/sockets.h
new file mode 100644
index 00000000..fb2fa7db
--- /dev/null
+++ b/include/ouroboros/sockets.h
@@ -0,0 +1,46 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * The sockets layer to communicate between daemons
+ *
+ *    Sander Vrijders <sander.vrijders@intec.ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define IRM_SOCK_PATH "/tmp/irm_sock"
+
+enum irm_msg_code {
+        IRM_CREATE_IPCP,
+        IRM_DESTROY_IPCP,
+        IRM_BOOTSTRAP_IPCP,
+        IRM_ENROLL_IPCP,
+        IRM_REG_IPCP,
+        IRM_UNREG_IPCP,
+        IRM_LIST_IPCPS
+};
+
+struct irm_msg_sock {
+        enum irm_msg_code code;
+        union {
+                struct {
+                        rina_name_t name;
+                        char * ipcp_type;
+                } create_ipcp;
+        } irm_msg;
+};
+
+int client_socket_open(char * file_name);
+int server_socket_open(char * file_name);
diff --git a/src/irmd/main.c b/src/irmd/main.c
index 8ab071e0..b4e43534 100644
--- a/src/irmd/main.c
+++ b/src/irmd/main.c
@@ -1,10 +1,63 @@
-#define OUROBOROS_PREFIX "irm"
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * The IPC Resource Manager
+ *
+ *    Sander Vrijders <sander.vrijders@intec.ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define OUROBOROS_PREFIX "irmd"
 
 #include <ouroboros/logs.h>
+#include <ouroboros/common.h>
+#include <ouroboros/sockets.h>
+#include <ouroboros/irm.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#define BUF_SIZE 256
 
 int main()
 {
-        LOG_DBG("Test of the IRM");
+        int sockfd;
+
+        sockfd = server_socket_open(IRM_SOCK_PATH);
+        if (sockfd < 0)
+                return -1;
+
+        while (true) {
+                int     cli_sockfd;
+                struct irm_msg_sock msg;
+                ssize_t count;
+                char    buf[BUF_SIZE];
+
+                cli_sockfd = accept(sockfd, 0, 0);
+                if (cli_sockfd < 0) {
+                        LOG_ERR("Cannot accept new connection");
+                }
+
+                count = read(cli_sockfd, buf, BUF_SIZE);
+                if (count) {
+                        msg = (struct struct irm_msg_sock) buf;
+                        LOG_INFO("Got message code %d", buf.code);
+                }
+
+                close(cli_sockfd);
+        }
 
         return 0;
 }
diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
index 9a6f1946..2e0d6b6b 100644
--- a/src/lib/CMakeLists.txt
+++ b/src/lib/CMakeLists.txt
@@ -9,6 +9,8 @@ set(SOURCE_FILES
         bitmap.c
         cdap.c
         du_buff.c
+        irm.c
+        sockets.c
 )
 
 add_library(ouroboros SHARED ${SOURCE_FILES})
diff --git a/src/lib/irm.c b/src/lib/irm.c
new file mode 100644
index 00000000..da229d3e
--- /dev/null
+++ b/src/lib/irm.c
@@ -0,0 +1,97 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * The API to instruct the IRM
+ *
+ *    Sander Vrijders <sander.vrijders@intec.ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define OUROBOROS_PREFIX "libouroboros-irm"
+
+#include <ouroboros/irm.h>
+#include <ouroboros/common.h>
+#include <ouroboros/logs.h>
+#include <ouroboros/sockets.h>
+
+int irm_create_ipcp(rina_name_t name,
+                    char * ipcp_type)
+{
+        int sockfd;
+        struct irm_msg_sock msg;
+
+        if (!ipcp_type)
+                return -1;
+
+        sockfd = client_socket_open(IRM_SOCK_PATH);
+        if (sockfd < 0)
+                return -1;
+
+        msg.code = IRM_CREATE_IPCP;
+        msg.irm_msg.create_ipcp.name = name;
+        msg.irm_msg.create_ipcp.ipcp_type = ipcp_type;
+
+        write(sockfd, &msg, sizeof(msg));
+        close(sockfd);
+
+        return 0;
+}
+
+int irm_destroy_ipcp(int ipcp_id)
+{
+
+        return 0;
+}
+
+int irm_bootstrap_ipcp(int ipcp_id,
+                       struct dif_info info)
+{
+
+        return 0;
+}
+
+int irm_enroll_ipcp(int ipcp_id,
+                    char * dif_name)
+{
+
+        return 0;
+}
+
+int irm_reg_ipcp(int ipcp_id,
+                 char ** difs)
+{
+
+        return 0;
+}
+
+int irm_unreg_ipcp(int ipcp_id,
+                   char ** difs)
+{
+
+        return 0;
+}
+
+char ** irm_list_ipcps()
+{
+
+        return 0;
+}
+
+char ** irm_list_ipcp_types()
+{
+
+        return 0;
+}
diff --git a/src/lib/sockets.c b/src/lib/sockets.c
new file mode 100644
index 00000000..8917f55a
--- /dev/null
+++ b/src/lib/sockets.c
@@ -0,0 +1,94 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * The sockets layer to communicate between daemons
+ *
+ *    Sander Vrijders <sander.vrijders@intec.ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define OUROBOROS_PREFIX "libouroboros-sockets"
+
+#include <ouroboros/logs.h>
+#include <ouroboros/common.h>
+#include <ouroboros/sockets.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/stat.h>
+#include <string.h>
+
+int client_socket_open(char * file_name)
+{
+        int sockfd;
+        struct sockaddr_un serv_addr;
+
+        sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
+        if (sockfd < 0) {
+                LOG_ERR("Failed to open socket");
+                return -1;
+        }
+
+        serv_addr.sun_family = AF_UNIX;
+        sprintf(serv_addr.sun_path, file_name);
+
+        if (connect(sockfd,
+                    (struct sockaddr *) &serv_addr,
+                    sizeof(serv_addr))) {
+                LOG_ERR("Failed to connect to server");
+                return -1;
+        }
+
+        return sockfd;
+}
+
+int server_socket_open(char * file_name)
+{
+        int sockfd;
+        struct sockaddr_un serv_addr;
+        struct stat sb;
+
+        if (!stat(file_name, &sb)) {
+                /* File exists */
+                if (unlink(file_name)) {
+                        LOG_ERR("Failed to unlink filename: %s",
+                                strerror(errno));
+                        return -1;
+                }
+        }
+
+        sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
+        if (sockfd < 0) {
+                LOG_ERR("Failed to open socket");
+                return -1;
+        }
+
+        serv_addr.sun_family = AF_UNIX;
+        sprintf(serv_addr.sun_path, file_name);
+
+        if (bind(sockfd,
+                 (struct sockaddr *) &serv_addr,
+                 sizeof(serv_addr))) {
+                LOG_ERR("Failed to bind socket");
+                return -1;
+        }
+
+        if (listen(sockfd, 0)) {
+                LOG_ERR("Failed to listen to socket");
+                return -1;
+        }
+
+        return sockfd;
+}
diff --git a/src/tools/irm/main.c b/src/tools/irm/main.c
index bad1000e..6439243c 100644
--- a/src/tools/irm/main.c
+++ b/src/tools/irm/main.c
@@ -23,10 +23,21 @@
 #define OUROBOROS_PREFIX "irm"
 
 #include <ouroboros/logs.h>
+#include <ouroboros/common.h>
+#include <ouroboros/irm.h>
 
 int main () {
+        char * ap_name = "test";
+        char * ipcp_type = "normal-ipcp";
+        rina_name_t name;
+        name.ap_name = ap_name;
+        name.api_id = 1;
+
+        if (irm_create_ipcp(name, ipcp_type)) {
+                LOG_ERR("Failed to create IPCP");
+                return -1;
+        }
 
-        LOG_DBG("Test of the IRM tool");
 
         return 0;
 }