Merged in sandervrijders/ouroboros/be (pull request #144)

lib, irmd, ipcpd: Change of IRM API

10 files changed, 243 insertions, 429 deletions

diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
index 2a75ef17..410be6fe 100644
--- a/src/lib/CMakeLists.txt
+++ b/src/lib/CMakeLists.txt
@@ -27,7 +27,6 @@ set(SOURCE_FILES
   cdap.c
   dev.c
   du_buff.c
-  instance_name.c
   ipcp.c
   irm.c
   list.c
diff --git a/src/lib/dev.c b/src/lib/dev.c
index ad311f7f..ac995b2d 100644
--- a/src/lib/dev.c
+++ b/src/lib/dev.c
@@ -28,7 +28,6 @@
 #include <ouroboros/dev.h>
 #include <ouroboros/sockets.h>
 #include <ouroboros/bitmap.h>
-#include <ouroboros/instance_name.h>
 #include <ouroboros/shm_du_map.h>
 #include <ouroboros/shm_ap_rbuff.h>
 #include <ouroboros/utils.h>
@@ -45,7 +44,8 @@ struct flow {
 };
 
 struct ap_data {
-        instance_name_t *     api;
+        char *                ap_name;
+        pid_t                 api;
         struct shm_du_map *   dum;
         struct bmp *          fds;
         struct shm_ap_rbuff * rb;
@@ -66,30 +66,17 @@ int ap_init(char * ap_name)
                 return -ENOMEM;
         }
 
-        _ap_instance->api = instance_name_create();
-        if (_ap_instance->api == NULL) {
-                free(_ap_instance);
-                return -ENOMEM;
-        }
-
-        if (instance_name_init_from(_ap_instance->api,
-                                    ap_name,
-                                    getpid()) == NULL) {
-                instance_name_destroy(_ap_instance->api);
-                free(_ap_instance);
-                return -ENOMEM;
-        }
+        _ap_instance->api = getpid();
+        _ap_instance->ap_name = ap_name;
 
         _ap_instance->fds = bmp_create(AP_MAX_FLOWS, 0);
         if (_ap_instance->fds == NULL) {
-                instance_name_destroy(_ap_instance->api);
                 free(_ap_instance);
                 return -ENOMEM;
         }
 
         _ap_instance->dum = shm_du_map_open();
         if (_ap_instance->dum == NULL) {
-                instance_name_destroy(_ap_instance->api);
                 bmp_destroy(_ap_instance->fds);
                 free(_ap_instance);
                 return -1;
@@ -97,7 +84,6 @@ int ap_init(char * ap_name)
 
         _ap_instance->rb = shm_ap_rbuff_create();
         if (_ap_instance->rb == NULL) {
-                instance_name_destroy(_ap_instance->api);
                 shm_du_map_close(_ap_instance->dum);
                 bmp_destroy(_ap_instance->fds);
                 free(_ap_instance);
@@ -124,8 +110,6 @@ void ap_fini(void)
 
         pthread_rwlock_wrlock(&_ap_instance->data_lock);
 
-        if (_ap_instance->api != NULL)
-                instance_name_destroy(_ap_instance->api);
         if (_ap_instance->fds != NULL)
                 bmp_destroy(_ap_instance->fds);
         if (_ap_instance->dum != NULL)
@@ -164,12 +148,12 @@ int flow_accept(char ** ae_name)
         int cfd = -1;
 
         msg.code    = IRM_MSG_CODE__IRM_FLOW_ACCEPT;
-        msg.has_pid = true;
+        msg.has_api = true;
 
         pthread_rwlock_rdlock(&_ap_instance->data_lock);
 
-        msg.ap_name = _ap_instance->api->name;
-        msg.pid     = _ap_instance->api->id;
+        msg.ap_name = _ap_instance->ap_name;
+        msg.api     = _ap_instance->api;
 
         pthread_rwlock_unlock(&_ap_instance->data_lock);
 
@@ -178,7 +162,7 @@ int flow_accept(char ** ae_name)
                 return -1;
         }
 
-        if (!recv_msg->has_pid || !recv_msg->has_port_id) {
+        if (!recv_msg->has_api || !recv_msg->has_port_id) {
                 irm_msg__free_unpacked(recv_msg, NULL);
                 return -1;
         }
@@ -194,7 +178,7 @@ int flow_accept(char ** ae_name)
                 return -1;
         }
 
-        _ap_instance->flows[cfd].rb = shm_ap_rbuff_open(recv_msg->pid);
+        _ap_instance->flows[cfd].rb = shm_ap_rbuff_open(recv_msg->api);
         if (_ap_instance->flows[cfd].rb == NULL) {
                 bmp_release(_ap_instance->fds, cfd);
                 pthread_rwlock_unlock(&_ap_instance->flows_lock);
@@ -237,8 +221,8 @@ int flow_alloc_resp(int fd,
                 return -EBADF;
 
         msg.code         = IRM_MSG_CODE__IRM_FLOW_ALLOC_RESP;
-        msg.has_pid      = true;
-        msg.pid          = _ap_instance->api->id;
+        msg.has_api      = true;
+        msg.api          = _ap_instance->api;
         msg.has_port_id  = true;
 
         pthread_rwlock_rdlock(&_ap_instance->data_lock);
@@ -295,11 +279,11 @@ int flow_alloc(char * dst_name,
         msg.code        = IRM_MSG_CODE__IRM_FLOW_ALLOC;
         msg.dst_name    = dst_name;
         msg.ae_name     = src_ae_name;
-        msg.has_pid     = true;
+        msg.has_api     = true;
 
         pthread_rwlock_rdlock(&_ap_instance->data_lock);
 
-        msg.pid         = _ap_instance->api->id;
+        msg.api         = _ap_instance->api;
 
         pthread_rwlock_unlock(&_ap_instance->data_lock);
 
@@ -308,7 +292,7 @@ int flow_alloc(char * dst_name,
                 return -1;
         }
 
-        if (!recv_msg->has_pid || !recv_msg->has_port_id) {
+        if (!recv_msg->has_api || !recv_msg->has_port_id) {
                 irm_msg__free_unpacked(recv_msg, NULL);
                 return -1;
         }
@@ -324,7 +308,7 @@ int flow_alloc(char * dst_name,
                 return -1;
         }
 
-        _ap_instance->flows[fd].rb = shm_ap_rbuff_open(recv_msg->pid);
+        _ap_instance->flows[fd].rb = shm_ap_rbuff_open(recv_msg->api);
         if (_ap_instance->flows[fd].rb == NULL) {
                 bmp_release(_ap_instance->fds, fd);
                 pthread_rwlock_unlock(&_ap_instance->flows_lock);
diff --git a/src/lib/instance_name.c b/src/lib/instance_name.c
deleted file mode 100644
index 844bb924..00000000
--- a/src/lib/instance_name.c
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
- * RINA naming related utilities
- *
- *    Sander Vrijders       <[email protected]>
- *    Francesco Salvestrini <[email protected]>
- *
- * 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 "instance-name"
-
-#include <ouroboros/logs.h>
-#include <ouroboros/common.h>
-#include <ouroboros/instance_name.h>
-#include <ouroboros/utils.h>
-
-#include <string.h>
-#include <math.h>
-#include <stdlib.h>
-
-instance_name_t * instance_name_create()
-{
-        instance_name_t * tmp;
-
-        tmp = malloc(sizeof *tmp);
-        if (tmp == NULL)
-                return NULL;
-
-        tmp->name = NULL;
-        tmp->id  = 0;
-
-        return tmp;
-}
-
-instance_name_t * instance_name_init_from(instance_name_t * dst,
-                                          const char *      name,
-                                          uint16_t          id)
-{
-        if (dst == NULL)
-                return NULL;
-
-        /* Clean up the destination, leftovers might be there ... */
-        instance_name_fini(dst);
-
-        dst->name = strdup(name);
-        dst->id = id;
-
-        if (dst->name == NULL) {
-                instance_name_fini(dst);
-                return NULL;
-        }
-
-        return dst;
-}
-
-instance_name_t * instance_name_init_with(instance_name_t * dst,
-                                          char *      name,
-                                          uint16_t          id)
-{
-        if (dst == NULL)
-                return NULL;
-
-        /* Clean up the destination, leftovers might be there ... */
-        instance_name_fini(dst);
-
-        dst->name = name;
-        dst->id  = id;
-
-        return dst;
-}
-
-void instance_name_fini(instance_name_t * n)
-{
-        if (n == NULL || n->name == NULL)
-                return;
-
-        free(n->name);
-        n->name = NULL;
-}
-
-void instance_name_destroy(instance_name_t * ptr)
-{
-        if (ptr == NULL)
-                return;
-
-        instance_name_fini(ptr);
-
-        free(ptr);
-}
-
-int instance_name_cpy(instance_name_t *       dst,
-                      const instance_name_t * src)
-{
-        instance_name_t * res;
-
-        if (src == NULL || dst == NULL)
-                return -EINVAL;
-
-        res = instance_name_init_from(dst, src->name, src->id);
-        if (res == NULL)
-                return -ENOMEM;
-
-        return 0;
-}
-
-instance_name_t * instance_name_dup(const instance_name_t * src)
-{
-        instance_name_t * tmp;
-
-        if (src == NULL)
-                return NULL;
-
-        tmp = instance_name_create();
-        if (tmp == NULL)
-                return NULL;
-
-        if (instance_name_cpy(tmp, src)) {
-                instance_name_destroy(tmp);
-                return NULL;
-        }
-
-        return tmp;
-}
-
-bool instance_name_is_valid(const instance_name_t * n)
-{
-        return (n != NULL && n->name != NULL && strlen(n->name));
-}
-
-int instance_name_cmp(const instance_name_t * a,
-                      const instance_name_t * b)
-{
-
-        int ret = 0;
-
-        if (a == NULL || b == NULL) {
-                LOG_DBGF("Won't compare NULL.");
-                return -2;
-        }
-
-        if (a == b)
-                return 0;
-
-        ret = strcmp(a->name, b->name);
-
-        if (!ret) {
-                if (a->id == b-> id)
-                        return 0;
-                else
-                        return a->id < b->id ? -1 : 1;
-        }
-
-        return ret;
-}
-
-
-
-#define DELIMITER "/"
-
-char * instance_name_to_string(const instance_name_t * n)
-{
-        char *       tmp;
-        size_t       size;
-        const char * none     = "";
-        size_t       none_len = strlen(none);
-
-        if (n == NULL)
-                return NULL;
-
-        size = 0;
-
-        size += (n->name != NULL ?
-                 strlen(n->name) : none_len);
-        size += strlen(DELIMITER);
-
-        size += (n->id == 0 ?
-                 1 : n_digits(n->id));
-        size += strlen(DELIMITER);
-
-        tmp = malloc(size);
-        if (!tmp)
-                return NULL;
-
-        if (sprintf(tmp, "%s%s%d",
-                    (n->name != NULL ? n->name : none),
-                    DELIMITER, n->id)
-            != size - 1) {
-                free(tmp);
-                return NULL;
-        }
-
-        return tmp;
-}
-
-instance_name_t * string_to_instance_name(const char * s)
-{
-        instance_name_t * name;
-
-        char *       tmp1      = NULL;
-        char *       tmp_ap    = NULL;
-        char *       tmp_s_api = NULL;
-        unsigned int tmp_api   = 0;
-        char *       tmp2;
-
-        if (s == NULL)
-                return NULL;
-
-        tmp1 = strdup(s);
-        if (tmp1 == NULL) {
-                return NULL;
-        }
-
-        tmp_ap = strtok(tmp1, DELIMITER);
-        tmp_s_api = strtok(NULL, DELIMITER);
-        if (tmp_s_api != NULL)
-                tmp_api = (unsigned int) strtol(tmp_s_api, &tmp2, 10);
-
-        name = instance_name_create();
-        if (name == NULL) {
-                if (tmp1 != NULL)
-                        free(tmp1);
-                return NULL;
-        }
-
-        if (!instance_name_init_from(name, tmp_ap, tmp_api)) {
-                instance_name_destroy(name);
-                if (tmp1 != NULL)
-                        free(tmp1);
-                return NULL;
-        }
-
-        if (tmp1 != NULL)
-                free(tmp1);
-
-        return name;
-}
diff --git a/src/lib/ipcp.c b/src/lib/ipcp.c
index 77263bcf..2b6b6825 100644
--- a/src/lib/ipcp.c
+++ b/src/lib/ipcp.c
@@ -35,7 +35,7 @@
 #include <sys/types.h>
 #include <sys/wait.h>
 
-static ipcp_msg_t * send_recv_ipcp_msg(pid_t pid,
+static ipcp_msg_t * send_recv_ipcp_msg(pid_t api,
                                        ipcp_msg_t * msg)
 {
        int sockfd = 0;
@@ -44,7 +44,7 @@ static ipcp_msg_t * send_recv_ipcp_msg(pid_t pid,
        ssize_t count = 0;
        ipcp_msg_t * recv_msg = NULL;
 
-       sock_path = ipcp_sock_path(pid);
+       sock_path = ipcp_sock_path(api);
        if (sock_path == NULL)
                return NULL;
 
@@ -99,26 +99,25 @@ static ipcp_msg_t * send_recv_ipcp_msg(pid_t pid,
        return recv_msg;
 }
 
-pid_t ipcp_create(char *         ipcp_name,
-                  enum ipcp_type ipcp_type)
+pid_t ipcp_create(enum ipcp_type ipcp_type)
 {
-        pid_t pid = 0;
-        char irmd_pid[10];
+        pid_t api = 0;
+        char irmd_api[10];
         size_t len = 0;
         char * ipcp_dir = "/sbin/";
         char * full_name = NULL;
         char * exec_name = NULL;
 
-        sprintf(irmd_pid, "%u", getpid());
+        sprintf(irmd_api, "%u", getpid());
 
-        pid = fork();
-        if (pid == -1) {
+        api = fork();
+        if (api == -1) {
                 LOG_ERR("Failed to fork");
-                return pid;
+                return api;
         }
 
-        if (pid != 0) {
-                return pid;
+        if (api != 0) {
+                return api;
         }
 
         if (ipcp_type == IPCP_NORMAL)
@@ -149,8 +148,7 @@ pid_t ipcp_create(char *         ipcp_name,
         full_name[len] = '\0';
 
         char * argv[] = {full_name,
-                         irmd_pid,
-                         ipcp_name,
+                         irmd_api,
                          0};
 
         char * envp[] = {0};
@@ -164,16 +162,16 @@ pid_t ipcp_create(char *         ipcp_name,
         exit(EXIT_FAILURE);
 }
 
-int ipcp_destroy(pid_t pid)
+int ipcp_destroy(pid_t api)
 {
         int status;
 
-        if (kill(pid, SIGTERM)) {
+        if (kill(api, SIGTERM)) {
                 LOG_ERR("Failed to destroy IPCP");
                 return -1;
         }
 
-        if (waitpid(pid, &status, 0) < 0) {
+        if (waitpid(api, &status, 0) < 0) {
                 LOG_ERR("Failed to destroy IPCP");
                 return -1;
         }
@@ -181,7 +179,7 @@ int ipcp_destroy(pid_t pid)
         return 0;
 }
 
-int ipcp_reg(pid_t   pid,
+int ipcp_reg(pid_t   api,
              char ** dif_names,
              size_t  len)
 {
@@ -198,7 +196,7 @@ int ipcp_reg(pid_t   pid,
         msg.dif_names  = dif_names;
         msg.len        = len;
 
-        recv_msg = send_recv_ipcp_msg(pid, &msg);
+        recv_msg = send_recv_ipcp_msg(api, &msg);
         if (recv_msg == NULL)
                 return -1;
 
@@ -213,7 +211,7 @@ int ipcp_reg(pid_t   pid,
         return ret;
 }
 
-int ipcp_unreg(pid_t pid,
+int ipcp_unreg(pid_t api,
                char ** dif_names,
                size_t len)
 {
@@ -230,7 +228,7 @@ int ipcp_unreg(pid_t pid,
         msg.dif_names  = dif_names;
         msg.len        = len;
 
-        recv_msg = send_recv_ipcp_msg(pid, &msg);
+        recv_msg = send_recv_ipcp_msg(api, &msg);
         if (recv_msg == NULL)
                 return -1;
 
@@ -246,7 +244,7 @@ int ipcp_unreg(pid_t pid,
 }
 
 
-int ipcp_bootstrap(pid_t pid,
+int ipcp_bootstrap(pid_t api,
                    dif_config_msg_t * conf)
 {
         ipcp_msg_t msg = IPCP_MSG__INIT;
@@ -259,7 +257,7 @@ int ipcp_bootstrap(pid_t pid,
         msg.code = IPCP_MSG_CODE__IPCP_BOOTSTRAP;
         msg.conf = conf;
 
-        recv_msg = send_recv_ipcp_msg(pid, &msg);
+        recv_msg = send_recv_ipcp_msg(api, &msg);
         if (recv_msg == NULL)
                 return -1;
 
@@ -274,7 +272,7 @@ int ipcp_bootstrap(pid_t pid,
         return ret;
 }
 
-int ipcp_enroll(pid_t pid,
+int ipcp_enroll(pid_t api,
                 char * dif_name,
                 char * n_1_dif)
 {
@@ -289,7 +287,7 @@ int ipcp_enroll(pid_t pid,
         msg.dif_name = dif_name;
         msg.n_1_dif  = n_1_dif;
 
-        recv_msg = send_recv_ipcp_msg(pid, &msg);
+        recv_msg = send_recv_ipcp_msg(api, &msg);
         if (recv_msg == NULL) {
                 return -1;
         }
@@ -305,7 +303,7 @@ int ipcp_enroll(pid_t pid,
         return ret;
 }
 
-int ipcp_name_reg(pid_t    pid,
+int ipcp_name_reg(pid_t    api,
                   char *   name)
 {
         ipcp_msg_t msg = IPCP_MSG__INIT;
@@ -318,7 +316,7 @@ int ipcp_name_reg(pid_t    pid,
         msg.code = IPCP_MSG_CODE__IPCP_NAME_REG;
         msg.name = name;
 
-        recv_msg = send_recv_ipcp_msg(pid, &msg);
+        recv_msg = send_recv_ipcp_msg(api, &msg);
         if (recv_msg == NULL)
                 return -1;
 
@@ -333,7 +331,7 @@ int ipcp_name_reg(pid_t    pid,
         return ret;
 }
 
-int ipcp_name_unreg(pid_t  pid,
+int ipcp_name_unreg(pid_t  api,
                     char * name)
 {
         ipcp_msg_t msg = IPCP_MSG__INIT;
@@ -343,7 +341,7 @@ int ipcp_name_unreg(pid_t  pid,
         msg.code = IPCP_MSG_CODE__IPCP_NAME_UNREG;
         msg.name = name;
 
-        recv_msg = send_recv_ipcp_msg(pid, &msg);
+        recv_msg = send_recv_ipcp_msg(api, &msg);
         if (recv_msg == NULL)
                 return -1;
 
@@ -358,9 +356,9 @@ int ipcp_name_unreg(pid_t  pid,
         return ret;
 }
 
-int ipcp_flow_alloc(pid_t         pid,
+int ipcp_flow_alloc(pid_t         api,
                     int           port_id,
-                    pid_t         n_pid,
+                    pid_t         n_api,
                     char *        dst_name,
                     char *        src_ae_name,
                     enum qos_cube qos)
@@ -375,14 +373,14 @@ int ipcp_flow_alloc(pid_t         pid,
         msg.code         = IPCP_MSG_CODE__IPCP_FLOW_ALLOC;
         msg.has_port_id  = true;
         msg.port_id      = port_id;
-        msg.has_pid      = true;
-        msg.pid          = n_pid;
+        msg.has_api      = true;
+        msg.api          = n_api;
         msg.src_ae_name  = src_ae_name;
         msg.dst_name     = dst_name;
         msg.has_qos_cube = true;
         msg.qos_cube     = qos;
 
-        recv_msg = send_recv_ipcp_msg(pid, &msg);
+        recv_msg = send_recv_ipcp_msg(api, &msg);
         if (recv_msg == NULL)
                 return -1;
 
@@ -397,9 +395,9 @@ int ipcp_flow_alloc(pid_t         pid,
         return ret;
 }
 
-int ipcp_flow_alloc_resp(pid_t pid,
+int ipcp_flow_alloc_resp(pid_t api,
                          int   port_id,
-                         pid_t n_pid,
+                         pid_t n_api,
                          int   response)
 {
         ipcp_msg_t msg = IPCP_MSG__INIT;
@@ -409,12 +407,12 @@ int ipcp_flow_alloc_resp(pid_t pid,
         msg.code         = IPCP_MSG_CODE__IPCP_FLOW_ALLOC_RESP;
         msg.has_port_id  = true;
         msg.port_id      = port_id;
-        msg.has_pid      = true;
-        msg.pid          = n_pid;
+        msg.has_api      = true;
+        msg.api          = n_api;
         msg.has_response = true;
         msg.response     = response;
 
-        recv_msg = send_recv_ipcp_msg(pid, &msg);
+        recv_msg = send_recv_ipcp_msg(api, &msg);
         if (recv_msg == NULL)
                 return -1;
 
@@ -429,7 +427,7 @@ int ipcp_flow_alloc_resp(pid_t pid,
         return ret;
 }
 
-int ipcp_flow_req_arr(pid_t  pid,
+int ipcp_flow_req_arr(pid_t  api,
                       char * dst_name,
                       char * src_ae_name)
 {
@@ -441,8 +439,8 @@ int ipcp_flow_req_arr(pid_t  pid,
                 return -EINVAL;
 
         msg.code          = IRM_MSG_CODE__IPCP_FLOW_REQ_ARR;
-        msg.has_pid       = true;
-        msg.pid           = pid;
+        msg.has_api       = true;
+        msg.api           = api;
         msg.dst_name      = dst_name;
         msg.ae_name       = src_ae_name;
 
@@ -461,7 +459,7 @@ int ipcp_flow_req_arr(pid_t  pid,
         return port_id;
 }
 
-int ipcp_flow_alloc_reply(pid_t pid,
+int ipcp_flow_alloc_reply(pid_t api,
                           int   port_id,
                           int   response)
 {
@@ -491,10 +489,10 @@ int ipcp_flow_alloc_reply(pid_t pid,
 }
 
 
-int ipcp_flow_dealloc(pid_t pid,
+int ipcp_flow_dealloc(pid_t api,
                       int   port_id)
 {
-        if (pid != 0) {
+        if (api != 0) {
                 ipcp_msg_t msg = IPCP_MSG__INIT;
                 ipcp_msg_t * recv_msg = NULL;
                 int ret = -1;
@@ -503,7 +501,7 @@ int ipcp_flow_dealloc(pid_t pid,
                 msg.has_port_id = true;
                 msg.port_id     = port_id;
 
-                recv_msg = send_recv_ipcp_msg(pid, &msg);
+                recv_msg = send_recv_ipcp_msg(api, &msg);
                 if (recv_msg == NULL)
                         return 0;
 
diff --git a/src/lib/ipcpd_messages.proto b/src/lib/ipcpd_messages.proto
index 9eb5707c..f9e0f972 100644
--- a/src/lib/ipcpd_messages.proto
+++ b/src/lib/ipcpd_messages.proto
@@ -27,7 +27,7 @@ message ipcp_msg {
         optional sint32 qos_cube     = 11;
         optional dif_config_msg conf = 12;
         optional sint32 fd           = 13;
-        optional sint32 pid          = 14;
+        optional sint32 api          = 14;
         optional sint32 response     = 15;
         optional sint32 result       = 16;
 };
diff --git a/src/lib/irm.c b/src/lib/irm.c
index 8fd0a7e7..6b296258 100644
--- a/src/lib/irm.c
+++ b/src/lib/irm.c
@@ -27,22 +27,18 @@
 #include <ouroboros/common.h>
 #include <ouroboros/logs.h>
 #include <ouroboros/sockets.h>
-#include <ouroboros/instance_name.h>
 
 #include <stdlib.h>
 
-pid_t irm_create_ipcp(char *         ipcp_name,
+pid_t irm_create_ipcp(char *         name,
                       enum ipcp_type ipcp_type)
 {
         irm_msg_t msg = IRM_MSG__INIT;
         irm_msg_t * recv_msg = NULL;
         int ret = -1;
 
-        if (ipcp_name == NULL)
-                return -EINVAL;
-
         msg.code = IRM_MSG_CODE__IRM_CREATE_IPCP;
-        msg.ap_name = ipcp_name;
+        msg.dst_name = name;
         msg.has_ipcp_type = true;
         msg.ipcp_type = ipcp_type;
 
@@ -61,19 +57,18 @@ pid_t irm_create_ipcp(char *         ipcp_name,
         return ret;
 }
 
-int irm_destroy_ipcp(instance_name_t * api)
+int irm_destroy_ipcp(pid_t api)
 {
         irm_msg_t msg = IRM_MSG__INIT;
         irm_msg_t * recv_msg = NULL;
         int ret = -1;
 
-        if (api == NULL || api->name == NULL)
+        if (api == 0)
                 return -EINVAL;
 
-        msg.code = IRM_MSG_CODE__IRM_DESTROY_IPCP;
-        msg.ap_name = api->name;
-        msg.has_api_id = true;
-        msg.api_id = api->id;
+        msg.code    = IRM_MSG_CODE__IRM_DESTROY_IPCP;
+        msg.has_api = true;
+        msg.api     = api;
 
         recv_msg = send_recv_irm_msg(&msg);
         if (recv_msg == NULL)
@@ -90,7 +85,7 @@ int irm_destroy_ipcp(instance_name_t * api)
         return ret;
 }
 
-int irm_bootstrap_ipcp(instance_name_t   * api,
+int irm_bootstrap_ipcp(pid_t               api,
                        struct dif_config * conf)
 {
         irm_msg_t msg = IRM_MSG__INIT;
@@ -98,13 +93,12 @@ int irm_bootstrap_ipcp(instance_name_t   * api,
         irm_msg_t * recv_msg = NULL;
         int ret = -1;
 
-        if (api == NULL || api->name == NULL || conf == NULL)
+        if (api == 0 || conf == NULL)
                 return -EINVAL;
 
-        msg.code       = IRM_MSG_CODE__IRM_BOOTSTRAP_IPCP;
-        msg.ap_name    = api->name;
-        msg.has_api_id = true;
-        msg.api_id     = api->id;
+        msg.code    = IRM_MSG_CODE__IRM_BOOTSTRAP_IPCP;
+        msg.has_api = true;
+        msg.api     = api;
 
         msg.conf = &config;
         config.dif_name = conf->dif_name;
@@ -163,20 +157,60 @@ int irm_bootstrap_ipcp(instance_name_t   * api,
         return ret;
 }
 
-int irm_enroll_ipcp(instance_name_t * api,
-                    char *            dif_name)
+ssize_t irm_list_ipcps(char *   name,
+                       pid_t ** apis)
+{
+        irm_msg_t msg = IRM_MSG__INIT;
+        irm_msg_t * recv_msg = NULL;
+        ssize_t nr = -1;
+        int i;
+
+        if (apis == NULL)
+                return -EINVAL;
+
+        msg.code = IRM_MSG_CODE__IRM_LIST_IPCPS;
+        msg.dst_name = name;
+
+        recv_msg = send_recv_irm_msg(&msg);
+        if (recv_msg == NULL) {
+                free(msg.dif_name);
+                return -1;
+        }
+
+        if (recv_msg->apis == NULL) {
+                irm_msg__free_unpacked(recv_msg, NULL);
+                return -1;
+        }
+
+        nr = recv_msg->n_apis;
+        *apis = malloc(nr * sizeof(pid_t));
+        if (*apis == NULL) {
+                irm_msg__free_unpacked(recv_msg, NULL);
+                return -ENOMEM;
+        }
+
+        for (i = 0; i < nr; i++) {
+                (*apis)[i] = recv_msg->apis[i];
+        }
+
+        irm_msg__free_unpacked(recv_msg, NULL);
+
+        return nr;
+}
+
+int irm_enroll_ipcp(pid_t  api,
+                    char * dif_name)
 {
         irm_msg_t msg = IRM_MSG__INIT;
         irm_msg_t * recv_msg = NULL;
         int ret = -1;
 
-        if (api == NULL || api->name == NULL || dif_name == NULL)
+        if (api == 0 || dif_name == NULL)
                 return -EINVAL;
 
         msg.code = IRM_MSG_CODE__IRM_ENROLL_IPCP;
-        msg.ap_name = api->name;
-        msg.has_api_id = true;
-        msg.api_id = api->id;
+        msg.has_api = true;
+        msg.api = api;
         msg.n_dif_name = 1;
         msg.dif_name = malloc(sizeof(*(msg.dif_name)));
         if (msg.dif_name == NULL) {
@@ -203,39 +237,30 @@ int irm_enroll_ipcp(instance_name_t * api,
         return ret;
 }
 
-int irm_reg(char *            name,
-            instance_name_t * api,
-            int               argc,
-            char **           argv,
-            bool              autoexec,
-            char **           difs,
-            size_t            difs_len)
+int irm_bind(char *   name,
+             char *   ap_name,
+             uint16_t opts,
+             int      argc,
+             char **  argv)
 {
         irm_msg_t msg = IRM_MSG__INIT;
         irm_msg_t * recv_msg = NULL;
         int ret = -1;
 
-        if (name == NULL || api->name == NULL)
+        if (name == NULL || ap_name == NULL)
                 return -EINVAL;
 
-        msg.code = IRM_MSG_CODE__IRM_AP_REG;
+        msg.code = IRM_MSG_CODE__IRM_BIND;
         msg.dst_name = name;
-        msg.ap_name = api->name;
-        if (difs != NULL) {
-                msg.dif_name = difs;
-                msg.n_dif_name = difs_len;
-        }
+        msg.ap_name = ap_name;
 
         if (argv != NULL) {
                 msg.n_args = argc;
                 msg.args = argv;
-        } else {
-                msg.has_api_id = true;
-                msg.api_id = api->id;
         }
 
-        msg.has_autoexec = true;
-        msg.autoexec = autoexec;
+        msg.has_opts = true;
+        msg.opts = opts;
 
         recv_msg = send_recv_irm_msg(&msg);
         if (recv_msg == NULL)
@@ -252,36 +277,90 @@ int irm_reg(char *            name,
         return ret;
 }
 
-int irm_unreg(char *                  name,
-              const instance_name_t * api,
-              char **                 difs,
-              size_t                  difs_len,
-              bool                    hard)
+int irm_unbind(char *   name,
+               char *   ap_name,
+               uint16_t opts)
 {
         irm_msg_t msg = IRM_MSG__INIT;
         irm_msg_t * recv_msg = NULL;
         int ret = -1;
 
-        if (name == NULL && api == NULL)
+        if (name == NULL || ap_name == NULL)
                 return -EINVAL;
 
-        if (difs == NULL ||
-            difs_len == 0 ||
-            difs[0] == NULL)
+        msg.code = IRM_MSG_CODE__IRM_UNBIND;
+
+        msg.dst_name = name;
+        msg.ap_name = ap_name;
+        msg.has_opts = true;
+        msg.opts = opts;
+
+        recv_msg = send_recv_irm_msg(&msg);
+        if (recv_msg == NULL)
+                return -1;
+
+        if (recv_msg->has_result == false) {
+                irm_msg__free_unpacked(recv_msg, NULL);
+                return -1;
+        }
+
+        ret = recv_msg->result;
+        irm_msg__free_unpacked(recv_msg, NULL);
+
+        return ret;
+}
+
+int irm_reg(char *   name,
+            char **  difs,
+            size_t   difs_size)
+{
+        irm_msg_t msg = IRM_MSG__INIT;
+        irm_msg_t * recv_msg = NULL;
+        int ret = -1;
+
+        if (name == NULL || difs == NULL || difs_size == 0)
                 return -EINVAL;
 
-        msg.code = IRM_MSG_CODE__IRM_AP_UNREG;
-        if (api != NULL) {
-                msg.ap_name = api->name;
-                msg.has_api_id = true;
-                msg.api_id = api->id;
+        msg.code = IRM_MSG_CODE__IRM_REG;
+
+        msg.dst_name = name;
+
+        msg.dif_name = difs;
+        msg.n_dif_name = difs_size;
+
+        recv_msg = send_recv_irm_msg(&msg);
+        if (recv_msg == NULL)
+                return -1;
+
+        if (recv_msg->has_result == false) {
+                irm_msg__free_unpacked(recv_msg, NULL);
+                return -1;
         }
 
+        ret = recv_msg->result;
+        irm_msg__free_unpacked(recv_msg, NULL);
+
+        return ret;
+}
+
+
+int irm_unreg(char *   name,
+              char **  difs,
+              size_t   difs_size)
+{
+        irm_msg_t msg = IRM_MSG__INIT;
+        irm_msg_t * recv_msg = NULL;
+        int ret = -1;
+
+        if (name == NULL || difs == NULL || difs_size == 0)
+                return -EINVAL;
+
+        msg.code = IRM_MSG_CODE__IRM_UNREG;
+
+        msg.dst_name = name;
+
         msg.dif_name = difs;
-        msg.n_dif_name = difs_len;
-        if (name != NULL)
-                msg.dst_name = name;
-        msg.hard = hard;
+        msg.n_dif_name = difs_size;
 
         recv_msg = send_recv_irm_msg(&msg);
         if (recv_msg == NULL)
diff --git a/src/lib/irmd_messages.proto b/src/lib/irmd_messages.proto
index 34366975..fa2ca258 100644
--- a/src/lib/irmd_messages.proto
+++ b/src/lib/irmd_messages.proto
@@ -25,35 +25,37 @@ import "dif_config.proto";
 enum irm_msg_code {
         IRM_CREATE_IPCP       =  1;
         IRM_DESTROY_IPCP      =  2;
-        IRM_BOOTSTRAP_IPCP    =  3;
-        IRM_ENROLL_IPCP       =  4;
-        IRM_AP_REG            =  5;
-        IRM_AP_UNREG          =  6;
-        IRM_FLOW_ACCEPT       =  7;
-        IRM_FLOW_ALLOC_RESP   =  8;
-        IRM_FLOW_ALLOC        =  9;
-        IRM_FLOW_ALLOC_RES    = 10;
-        IRM_FLOW_DEALLOC      = 11;
-        IPCP_FLOW_REQ_ARR     = 12;
-        IPCP_FLOW_ALLOC_REPLY = 13;
-        IPCP_FLOW_DEALLOC     = 14;
-        IRM_REPLY             = 15;
+        IRM_LIST_IPCPS        =  3;
+        IRM_BOOTSTRAP_IPCP    =  4;
+        IRM_ENROLL_IPCP       =  5;
+        IRM_BIND              =  6;
+        IRM_UNBIND            =  7;
+        IRM_REG               =  8;
+        IRM_UNREG             =  9;
+        IRM_FLOW_ACCEPT       = 10;
+        IRM_FLOW_ALLOC_RESP   = 11;
+        IRM_FLOW_ALLOC        = 12;
+        IRM_FLOW_ALLOC_RES    = 13;
+        IRM_FLOW_DEALLOC      = 14;
+        IPCP_FLOW_REQ_ARR     = 15;
+        IPCP_FLOW_ALLOC_REPLY = 16;
+        IPCP_FLOW_DEALLOC     = 17;
+        IRM_REPLY             = 18;
 };
 
 message irm_msg {
         required irm_msg_code code   =  1;
         optional string ap_name      =  2;
-        optional string ae_name      =  4;
-        optional uint32 api_id       =  3;
+        optional string ae_name      =  3;
+        optional uint32 api          =  4;
         optional uint32 ipcp_type    =  5;
         repeated string dif_name     =  6;
         repeated string args         =  7;
         optional sint32 response     =  8;
         optional string dst_name     =  9;
         optional sint32 port_id      = 10;
-        optional int32 pid           = 11;
-        optional dif_config_msg conf = 12;
-        optional bool autoexec       = 13;
-        optional bool hard           = 14;
-        optional sint32 result       = 15;
+        optional dif_config_msg conf = 11;
+        optional uint32 opts         = 12;
+        repeated int32 apis          = 13;
+        optional sint32 result       = 14;
 };
diff --git a/src/lib/shm_ap_rbuff.c b/src/lib/shm_ap_rbuff.c
index 6ee2936c..69e96c40 100644
--- a/src/lib/shm_ap_rbuff.c
+++ b/src/lib/shm_ap_rbuff.c
@@ -55,7 +55,7 @@ struct shm_ap_rbuff {
         size_t *          ptr_tail;    /* start of ringbuffer tail */
         pthread_mutex_t * shm_mutex;   /* lock all free space in shm */
         pthread_cond_t *  work;        /* threads will wait for a signal */
-        pid_t             pid;         /* pid to which this rb belongs */
+        pid_t             api;         /* api to which this rb belongs */
         int               fd;
 };
 
@@ -138,19 +138,19 @@ struct shm_ap_rbuff * shm_ap_rbuff_create()
         *rb->ptr_tail = 0;
 
         rb->fd  = shm_fd;
-        rb->pid = getpid();
+        rb->api = getpid();
 
         return rb;
 }
 
-struct shm_ap_rbuff * shm_ap_rbuff_open(pid_t pid)
+struct shm_ap_rbuff * shm_ap_rbuff_open(pid_t api)
 {
         struct shm_ap_rbuff * rb;
         int                   shm_fd;
         struct rb_entry *     shm_base;
         char                  fn[25];
 
-        sprintf(fn, SHM_AP_RBUFF_PREFIX "%d", pid);
+        sprintf(fn, SHM_AP_RBUFF_PREFIX "%d", api);
 
         rb = malloc(sizeof(*rb));
         if (rb == NULL) {
@@ -190,7 +190,7 @@ struct shm_ap_rbuff * shm_ap_rbuff_open(pid_t pid)
         rb->work      = (pthread_cond_t *) (rb->shm_mutex + 1);
 
         rb->fd = shm_fd;
-        rb->pid = pid;
+        rb->api = api;
 
         return rb;
 }
@@ -219,7 +219,7 @@ void shm_ap_rbuff_destroy(struct shm_ap_rbuff * rb)
                 return;
         }
 
-        if (rb->pid != getpid()) {
+        if (rb->api != getpid()) {
                 LOG_ERR("Tried to destroy other AP's rbuff.");
                 return;
         }
@@ -227,7 +227,7 @@ void shm_ap_rbuff_destroy(struct shm_ap_rbuff * rb)
         if (close(rb->fd) < 0)
                 LOG_DBGF("Couldn't close shared memory.");
 
-        sprintf(fn, SHM_AP_RBUFF_PREFIX "%d", rb->pid);
+        sprintf(fn, SHM_AP_RBUFF_PREFIX "%d", rb->api);
 
         if (munmap(rb->shm_base, SHM_RBUFF_FILE_SIZE) == -1)
                 LOG_DBGF("Couldn't unmap shared memory.");
diff --git a/src/lib/shm_du_map.c b/src/lib/shm_du_map.c
index f5909e11..2a316265 100644
--- a/src/lib/shm_du_map.c
+++ b/src/lib/shm_du_map.c
@@ -75,7 +75,7 @@ struct shm_du_map {
         size_t *          ptr_tail;    /* start of ringbuffer tail */
         pthread_mutex_t * shm_mutex;   /* lock all free space in shm */
         pthread_cond_t *  sanitize;    /* run sanitizer when buffer full */
-        pid_t *           pid;         /* pid of the irmd owner */
+        pid_t *           api;         /* api of the irmd owner */
         int               fd;
 };
 
@@ -141,7 +141,7 @@ struct shm_du_map * shm_du_map_create()
         dum->ptr_tail = dum->ptr_head + 1;
         dum->shm_mutex = (pthread_mutex_t *) (dum->ptr_tail + 1);
         dum->sanitize = (pthread_cond_t *) (dum->shm_mutex + 1);
-        dum->pid = (pid_t *) (dum->sanitize + 1);
+        dum->api = (pid_t *) (dum->sanitize + 1);
 
         pthread_mutexattr_init(&mattr);
         pthread_mutexattr_setpshared(&mattr, PTHREAD_PROCESS_SHARED);
@@ -155,7 +155,7 @@ struct shm_du_map * shm_du_map_create()
         *dum->ptr_head = 0;
         *dum->ptr_tail = 0;
 
-        *dum->pid = getpid();
+        *dum->api = getpid();
 
         dum->fd = shm_fd;
 
@@ -203,7 +203,7 @@ struct shm_du_map * shm_du_map_open()
         dum->ptr_tail = dum->ptr_head + 1;
         dum->shm_mutex = (pthread_mutex_t *) (dum->ptr_tail + 1);
         dum->sanitize = (pthread_cond_t *) (dum->shm_mutex + 1);
-        dum->pid = (pid_t *) (dum->sanitize + 1);
+        dum->api = (pid_t *) (dum->sanitize + 1);
 
         dum->fd = shm_fd;
 
@@ -212,7 +212,7 @@ struct shm_du_map * shm_du_map_open()
 
 pid_t shm_du_map_owner(struct shm_du_map * dum)
 {
-        return *dum->pid;
+        return *dum->api;
 }
 
 void * shm_du_map_sanitize(void * o)
diff --git a/src/lib/sockets.c b/src/lib/sockets.c
index 403d2833..9bfbad5e 100644
--- a/src/lib/sockets.c
+++ b/src/lib/sockets.c
@@ -149,19 +149,19 @@ irm_msg_t * send_recv_irm_msg(irm_msg_t * msg)
 }
 
 
-char * ipcp_sock_path(pid_t pid)
+char * ipcp_sock_path(pid_t api)
 {
         char * full_name = NULL;
-        char * pid_string = NULL;
+        char * api_string = NULL;
         size_t len = 0;
         char * delim = "_";
 
-        len = n_digits(pid);
-        pid_string = malloc(len + 1);
-        if (pid_string == NULL)
+        len = n_digits(api);
+        api_string = malloc(len + 1);
+        if (api_string == NULL)
                 return NULL;
 
-        sprintf(pid_string, "%d", pid);
+        sprintf(api_string, "%d", api);
 
         len += strlen(IPCP_SOCK_PATH_PREFIX);
         len += strlen(delim);
@@ -169,16 +169,16 @@ char * ipcp_sock_path(pid_t pid)
 
         full_name = malloc(len + 1);
         if (full_name == NULL) {
-                free(pid_string);
+                free(api_string);
                 return NULL;
         }
 
         strcpy(full_name, IPCP_SOCK_PATH_PREFIX);
         strcat(full_name, delim);
-        strcat(full_name, pid_string);
+        strcat(full_name, api_string);
         strcat(full_name, SOCK_PATH_SUFFIX);
 
-        free(pid_string);
+        free(api_string);
 
         return full_name;
 }