Fix issues with session and policies

When a policy does a 'ramp-down' on an audio role, it never does the
'ramp-up' when closing the role that triggered the policy.
Also, session handling was very buggy and had to be reworked to allow
the policy to do its job.

Bug: SPEC-1949
Bug: SPEC-1950

Change-Id: Iabf0e08b87862bf4620870e4b4a1214f699c7e64
Signed-off-by: Loïc Collignon <loic.collignon@iot.bzh>

1 files changed, 5 insertions, 9 deletions

diff --git a/ahl-binding/interrupt.cpp b/ahl-binding/interrupt.cpp
index b0eebec..5bf0b79 100644
--- a/ahl-binding/interrupt.cpp
+++ b/ahl-binding/interrupt.cpp
@@ -72,17 +72,13 @@ int interrupt_t::apply(afb_req_t req, const role_t& role)
                     afb_req_fail(req, "Failed to call 'ramp' action on stream", nullptr);
                     return -1;
                 }
-                json_object* response = nullptr;
                 json_object* jvolold = nullptr;
-                if (json_object_object_get_ex(result, "response", &response))
+                if (json_object_object_get_ex(result, "volold", &jvolold))
                 {
-                    if (json_object_object_get_ex(response, "volold", &jvolold))
-                    {
-                        applied_on_.push_back(std::make_tuple<std::string, int>(r.uid(), json_object_get_int(jvolold)));
-                        AFB_API_DEBUG(ahl_binding_t::instance().handle(),
-                            "POLICY: Applying a ramp to '%s' stream because '%s' is opened and have higher priority!",
-                            r.stream().c_str(), role.stream().c_str());
-                    }
+                    applied_on_.push_back(std::make_tuple<std::string, int>(r.uid(), json_object_get_int(jvolold)));
+                    AFB_API_DEBUG(ahl_binding_t::instance().handle(),
+                        "POLICY: Applying a ramp to '%s' stream because '%s' is opened and have higher priority!",
+                        r.stream().c_str(), role.stream().c_str());
                 }
             }
         }