From 155fbfb32b9a69705a06a5771bd146c1bed22821 Mon Sep 17 00:00:00 2001
From: Sander Vrijders <sander.vrijders@intec.ugent.be>
Date: Wed, 10 Aug 2016 12:27:41 +0200
Subject: ipcp, irmd, lib: Notify IRMd upon IPCP initialization

This will notify the IRMd when the IPCP is initialized and ready to
receive messages. Previously a bootstrap could fail since the IPCP was
not listening to the socket yet.
---
 src/ipcpd/local/main.c        |  6 ++++++
 src/ipcpd/normal/main.c       | 10 ++++++++++
 src/ipcpd/shim-eth-llc/main.c |  6 ++++++
 src/ipcpd/shim-udp/main.c     |  6 ++++++
 4 files changed, 28 insertions(+)

(limited to 'src/ipcpd')

diff --git a/src/ipcpd/local/main.c b/src/ipcpd/local/main.c
index 99580a45..62f9e0aa 100644
--- a/src/ipcpd/local/main.c
+++ b/src/ipcpd/local/main.c
@@ -621,6 +621,12 @@ int main(int argc, char * argv[])
 
         pthread_rwlock_unlock(&_ipcp->state_lock);
 
+        if (ipcp_create_r(getpid())) {
+                LOG_ERR("Failed to notify IRMd we are initialized.");
+                close_logfile();
+                exit(EXIT_FAILURE);
+        }
+
         pthread_join(_ap_instance->mainloop, NULL);
 
         shim_ap_fini();
diff --git a/src/ipcpd/normal/main.c b/src/ipcpd/normal/main.c
index 2d416942..38789ddd 100644
--- a/src/ipcpd/normal/main.c
+++ b/src/ipcpd/normal/main.c
@@ -27,6 +27,7 @@
 #include <ouroboros/shm_du_map.h>
 #include <ouroboros/shm_ap_rbuff.h>
 #include <ouroboros/dev.h>
+#include <ouroboros/ipcp.h>
 
 #include <stdbool.h>
 #include <signal.h>
@@ -326,6 +327,15 @@ int main(int argc, char * argv[])
 
         pthread_rwlock_unlock(&_ipcp->state_lock);
 
+        if (ipcp_create_r(getpid())) {
+                LOG_ERR("Failed to notify IRMd we are initialized.");
+                normal_ipcp_data_destroy();
+                fmgr_fini();
+                free(_ipcp);
+                close_logfile();
+                exit(EXIT_FAILURE);
+        }
+
         pthread_join(normal_data(_ipcp)->mainloop, NULL);
 
         normal_ipcp_data_destroy();
diff --git a/src/ipcpd/shim-eth-llc/main.c b/src/ipcpd/shim-eth-llc/main.c
index 7471e319..b8689ac7 100644
--- a/src/ipcpd/shim-eth-llc/main.c
+++ b/src/ipcpd/shim-eth-llc/main.c
@@ -1379,6 +1379,12 @@ int main(int argc, char * argv[])
 
         pthread_rwlock_unlock(&_ipcp->state_lock);
 
+        if (ipcp_create_r(getpid())) {
+                LOG_ERR("Failed to notify IRMd we are initialized.");
+                close_logfile();
+                exit(EXIT_FAILURE);
+        }
+
         pthread_join(shim_data(_ipcp)->mainloop, NULL);
 
         eth_llc_ipcp_data_destroy();
diff --git a/src/ipcpd/shim-udp/main.c b/src/ipcpd/shim-udp/main.c
index 9d6d15a7..8d9ac25c 100644
--- a/src/ipcpd/shim-udp/main.c
+++ b/src/ipcpd/shim-udp/main.c
@@ -1609,6 +1609,12 @@ int main(int argc, char * argv[])
 
         pthread_rwlock_unlock(&_ipcp->state_lock);
 
+        if (ipcp_create_r(getpid())) {
+                LOG_ERR("Failed to notify IRMd we are initialized.");
+                close_logfile();
+                exit(EXIT_FAILURE);
+        }
+
         pthread_join(_ap_instance->mainloop, NULL);
 
         shim_ap_fini();
-- 
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