lib, irmd: Update communication with IRMd

All messages sent to the IRMd now also get a reply back with the
result of the operation.

6 files changed, 144 insertions, 93 deletions

diff --git a/src/lib/dev.c b/src/lib/dev.c
index 5c11d8bf..c138b009 100644
--- a/src/lib/dev.c
+++ b/src/lib/dev.c
@@ -49,7 +49,11 @@ int ap_reg(char * ap_name,
         msg.n_dif_name = difs_size;
 
         recv_msg = send_recv_irm_msg(&msg);
-        if (recv_msg == NULL) {
+        if (recv_msg == NULL)
+                return -1;
+
+        if (recv_msg->has_fd == false) {
+                irm_msg__free_unpacked(recv_msg, NULL);
                 return -1;
         }
 
@@ -64,6 +68,8 @@ int ap_unreg(char * ap_name,
              size_t difs_size)
 {
         irm_msg_t msg = IRM_MSG__INIT;
+        irm_msg_t * recv_msg = NULL;
+        int ret = -1;
 
         if (ap_name == NULL ||
             difs == NULL ||
@@ -77,12 +83,19 @@ int ap_unreg(char * ap_name,
         msg.dif_name = difs;
         msg.n_dif_name = difs_size;
 
-        if (send_irm_msg(&msg)) {
-                LOG_ERR("Failed to send message to daemon");
+        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;
         }
 
-        return 0;
+        ret = recv_msg->result;
+        irm_msg__free_unpacked(recv_msg, NULL);
+
+        return ret;
 }
 
 int flow_accept(int fd,
@@ -102,9 +115,8 @@ int flow_accept(int fd,
         msg.fd = fd;
 
         recv_msg = send_recv_irm_msg(&msg);
-        if (recv_msg == NULL) {
+        if (recv_msg == NULL)
                 return -1;
-        }
 
         if (recv_msg->has_fd == false) {
                 irm_msg__free_unpacked(recv_msg, NULL);
@@ -122,6 +134,8 @@ int flow_alloc_resp(int fd,
                     int result)
 {
         irm_msg_t msg = IRM_MSG__INIT;
+        irm_msg_t * recv_msg = NULL;
+        int ret = -1;
 
         msg.code = IRM_MSG_CODE__IRM_FLOW_ALLOC_RESP;
         msg.has_fd = true;
@@ -129,12 +143,19 @@ int flow_alloc_resp(int fd,
         msg.has_result = true;
         msg.result = result;
 
-        if (send_irm_msg(&msg)) {
-                LOG_ERR("Failed to send message to daemon");
+        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;
         }
 
-        return 0;
+        ret = recv_msg->result;
+        irm_msg__free_unpacked(recv_msg, NULL);
+
+        return ret;
 }
 
 int flow_alloc(char * dst_ap_name,
@@ -150,8 +171,7 @@ int flow_alloc(char * dst_ap_name,
         if (dst_ap_name == NULL ||
             src_ap_name == NULL ||
             qos == NULL) {
-                LOG_ERR("Invalid arguments");
-                return -1;
+                return -EINVAL;
         }
 
         msg.code = IRM_MSG_CODE__IRM_FLOW_ALLOC;
@@ -162,9 +182,8 @@ int flow_alloc(char * dst_ap_name,
         msg.oflags = oflags;
 
         recv_msg = send_recv_irm_msg(&msg);
-        if (recv_msg == NULL) {
+        if (recv_msg == NULL)
                 return -1;
-        }
 
         if (recv_msg->has_fd == false) {
                 irm_msg__free_unpacked(recv_msg, NULL);
@@ -187,9 +206,8 @@ int flow_alloc_res(int fd)
         msg.fd = fd;
 
         recv_msg = send_recv_irm_msg(&msg);
-        if (recv_msg == NULL) {
+        if (recv_msg == NULL)
                 return -1;
-        }
 
         if (recv_msg->has_result == false) {
                 irm_msg__free_unpacked(recv_msg, NULL);
@@ -205,33 +223,51 @@ int flow_alloc_res(int fd)
 int flow_dealloc(int fd)
 {
         irm_msg_t msg = IRM_MSG__INIT;
+        irm_msg_t * recv_msg = NULL;
+        int ret = -1;
 
         msg.code = IRM_MSG_CODE__IRM_FLOW_DEALLOC;
         msg.has_fd = true;
         msg.fd = fd;
 
-        if (send_irm_msg(&msg)) {
-                LOG_ERR("Failed to send message to daemon");
+        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;
         }
 
-        return 0;
+        ret = recv_msg->result;
+        irm_msg__free_unpacked(recv_msg, NULL);
+
+        return ret;
 }
 
 int flow_cntl(int fd, int oflags)
 {
         irm_msg_t msg = IRM_MSG__INIT;
+        irm_msg_t * recv_msg = NULL;
+        int ret = -1;
 
         msg.has_fd = true;
         msg.fd = fd;
         msg.oflags = oflags;
 
-        if (send_irm_msg(&msg)) {
-                LOG_ERR("Failed to send message to daemon");
+        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;
         }
 
-        return 0;
+        ret = recv_msg->result;
+        irm_msg__free_unpacked(recv_msg, NULL);
+
+        return ret;
 }
 
 ssize_t flow_write(int fd,
diff --git a/src/lib/ipcp.c b/src/lib/ipcp.c
index 60d5879e..2caeaad3 100644
--- a/src/lib/ipcp.c
+++ b/src/lib/ipcp.c
@@ -22,14 +22,10 @@
 
 #define OUROBOROS_PREFIX "lib-ipcp"
 
-#ifndef _POSIX_C_SOURCE
-#define _POSIX_C_SOURCE 199506L
-#endif
-
+#include <ouroboros/config.h>
 #include <ouroboros/ipcp.h>
 #include <ouroboros/common.h>
 #include <ouroboros/logs.h>
-#include <ouroboros/config.h>
 #include <ouroboros/utils.h>
 #include <ouroboros/sockets.h>
 
@@ -97,6 +93,8 @@ pid_t ipcp_create(instance_name_t * api,
         if (ipcp_type == NULL)
                 return -1;
 
+        LOG_DBG("%lu", _POSIX_C_SOURCE);
+
         pid = fork();
         if (pid == -1) {
                 LOG_ERR("Failed to fork");
diff --git a/src/lib/irm.c b/src/lib/irm.c
index 644e1113..7c187be1 100644
--- a/src/lib/irm.c
+++ b/src/lib/irm.c
@@ -34,6 +34,8 @@ int irm_create_ipcp(instance_name_t * api,
                     char *            ipcp_type)
 {
         irm_msg_t msg = IRM_MSG__INIT;
+        irm_msg_t * recv_msg = NULL;
+        int ret = -1;
 
         if (api == NULL || ipcp_type == NULL || api->name == NULL)
                 return -EINVAL;
@@ -44,17 +46,26 @@ int irm_create_ipcp(instance_name_t * api,
         msg.api_id = api->id;
         msg.ipcp_type = ipcp_type;
 
-        if (send_irm_msg(&msg)) {
-                LOG_ERR("Failed to send message to daemon");
+        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;
         }
 
-        return 0;
+        ret = recv_msg->result;
+        irm_msg__free_unpacked(recv_msg, NULL);
+
+        return ret;
 }
 
 int irm_destroy_ipcp(instance_name_t * api)
 {
         irm_msg_t msg = IRM_MSG__INIT;
+        irm_msg_t * recv_msg = NULL;
+        int ret = -1;
 
         if (api == NULL || api->name == NULL)
                 return -EINVAL;
@@ -64,18 +75,27 @@ int irm_destroy_ipcp(instance_name_t * api)
         msg.has_api_id = true;
         msg.api_id = api->id;
 
-        if (send_irm_msg(&msg)) {
-                LOG_ERR("Failed to send message to daemon");
+        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;
         }
 
-        return 0;
+        ret = recv_msg->result;
+        irm_msg__free_unpacked(recv_msg, NULL);
+
+        return ret;
 }
 
 int irm_bootstrap_ipcp(instance_name_t   * api,
                        struct dif_config * conf)
 {
         irm_msg_t msg = IRM_MSG__INIT;
+        irm_msg_t * recv_msg = NULL;
+        int ret = -1;
 
         if (api == NULL || api->name == NULL || conf == NULL)
                 return -EINVAL;
@@ -85,18 +105,27 @@ int irm_bootstrap_ipcp(instance_name_t   * api,
         msg.has_api_id = true;
         msg.api_id = api->id;
 
-        if (send_irm_msg(&msg)) {
-                LOG_ERR("Failed to send message to daemon");
+        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;
         }
 
-        return 0;
+        ret = recv_msg->result;
+        irm_msg__free_unpacked(recv_msg, NULL);
+
+        return ret;
 }
 
 int irm_enroll_ipcp(instance_name_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)
                 return -EINVAL;
@@ -113,15 +142,22 @@ int irm_enroll_ipcp(instance_name_t * api,
         }
         msg.dif_name[0] = dif_name;
 
-        if (send_irm_msg(&msg)) {
-                LOG_ERR("Failed to send message to daemon");
+        recv_msg = send_recv_irm_msg(&msg);
+        if (recv_msg == NULL) {
                 free(msg.dif_name);
                 return -1;
         }
 
-        free(msg.dif_name);
+        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 0;
+        free(msg.dif_name);
+        return ret;
 }
 
 int irm_reg_ipcp(instance_name_t * api,
@@ -129,6 +165,8 @@ int irm_reg_ipcp(instance_name_t * api,
                  size_t            difs_size)
 {
         irm_msg_t msg = IRM_MSG__INIT;
+        irm_msg_t * recv_msg = NULL;
+        int ret = -1;
 
         if (api->name == NULL ||
             difs == NULL ||
@@ -144,12 +182,19 @@ int irm_reg_ipcp(instance_name_t * api,
         msg.dif_name = difs;
         msg.n_dif_name = difs_size;
 
-        if (send_irm_msg(&msg)) {
-                LOG_ERR("Failed to send message to daemon");
+        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;
         }
 
-        return 0;
+        ret = recv_msg->result;
+        irm_msg__free_unpacked(recv_msg, NULL);
+
+        return ret;
 }
 
 int irm_unreg_ipcp(const instance_name_t * api,
@@ -157,6 +202,8 @@ int irm_unreg_ipcp(const instance_name_t * api,
                    size_t                  difs_size)
 {
         irm_msg_t msg = IRM_MSG__INIT;
+        irm_msg_t * recv_msg = NULL;
+        int ret = -1;
 
         if (api == NULL ||
             api->name == NULL ||
@@ -173,10 +220,17 @@ int irm_unreg_ipcp(const instance_name_t * api,
         msg.dif_name = difs;
         msg.n_dif_name = difs_size;
 
-        if (send_irm_msg(&msg)) {
-                LOG_ERR("Failed to send message to daemon");
+        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;
         }
 
-        return 0;
+        ret = recv_msg->result;
+        irm_msg__free_unpacked(recv_msg, NULL);
+
+        return ret;
 }
diff --git a/src/lib/irmd_messages.proto b/src/lib/irmd_messages.proto
index c61d1b6d..a524a7fb 100644
--- a/src/lib/irmd_messages.proto
+++ b/src/lib/irmd_messages.proto
@@ -6,19 +6,16 @@ enum irm_msg_code {
         IRM_REG_IPCP = 5;
         IRM_UNREG_IPCP = 6;
         IRM_AP_REG = 7;
-        IRM_AP_REG_R = 8;
-        IRM_AP_UNREG = 9;
-        IRM_FLOW_ACCEPT = 10;
-        IRM_FLOW_ACCEPT_R = 11;
-        IRM_FLOW_ALLOC_RESP = 12;
-        IRM_FLOW_ALLOC = 13;
-        IRM_FLOW_ALLOC_R = 14;
-        IRM_FLOW_ALLOC_RES = 15;
-        IRM_FLOW_ALLOC_RES_R = 16;
-        IRM_FLOW_DEALLOC = 17;
-        IRM_FLOW_CONTROL = 18;
-        IRM_FLOW_WRITE = 19;
-        IRM_FLOW_READ = 20;
+        IRM_AP_UNREG = 8;
+        IRM_FLOW_ACCEPT = 9;
+        IRM_FLOW_ALLOC_RESP = 10;
+        IRM_FLOW_ALLOC = 11;
+        IRM_FLOW_ALLOC_RES = 12;
+        IRM_FLOW_DEALLOC = 13;
+        IRM_FLOW_CONTROL = 14;
+        IRM_FLOW_WRITE = 15;
+        IRM_FLOW_READ = 16;
+        IRM_REPLY = 17;
 };
 
 message irm_msg {
diff --git a/src/lib/sockets.c b/src/lib/sockets.c
index a699206d..f9024f70 100644
--- a/src/lib/sockets.c
+++ b/src/lib/sockets.c
@@ -96,41 +96,6 @@ int server_socket_open(char * file_name)
         return sockfd;
 }
 
-int send_irm_msg(irm_msg_t * msg)
-{
-        int sockfd;
-        buffer_t buf;
-
-        sockfd = client_socket_open(IRM_SOCK_PATH);
-        if (sockfd < 0)
-                return -1;
-
-        buf.size = irm_msg__get_packed_size(msg);
-        if (buf.size == 0) {
-                close(sockfd);
-                return -1;
-        }
-
-        buf.data = malloc(buf.size);
-        if (buf.data == NULL) {
-                close(sockfd);
-                return -ENOMEM;
-        }
-
-        irm_msg__pack(msg, buf.data);
-
-        if (write(sockfd, buf.data, buf.size) == -1) {
-                free(buf.data);
-                close(sockfd);
-                return -1;
-        }
-
-        free(buf.data);
-
-        close(sockfd);
-        return 0;
-}
-
 irm_msg_t * send_recv_irm_msg(irm_msg_t * msg)
 {
         int sockfd;
diff --git a/src/lib/tests/shm_du_map_test.c b/src/lib/tests/shm_du_map_test.c
index f636c941..85a82e4d 100644
--- a/src/lib/tests/shm_du_map_test.c
+++ b/src/lib/tests/shm_du_map_test.c
@@ -20,6 +20,7 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <ouroboros/config.h>
 #include <ouroboros/shm_du_map.h>
 #include <sys/types.h>
 #include <stdlib.h>