diff options
| author |   Florin Coras <fcoras@cisco.com> | 2023-02-20 15:14:04 -0800 |
|---|---|---|
| committer | Florin Coras <fcoras@cisco.com> | 2023-02-20 18:17:52 -0800 |
| commit | 7c06b5790d879c216ad27f8e281789b35858db43 (patch) | |
| tree | 6c373b6eee72f2ae10dd9ebee8c829107692a141 /src | |
| parent | eff5f7aea8c7ca8a63c88624bf962c43b3f8bdd3 (diff) | |
session: track app session closes
Make sure applications, especially builtin ones, cannot close a session
multiple times.
Type: improvement
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I960a1ae89a48eb359e7e1873a59d47c298c37ef1
Diffstat (limited to 'src')
| -rw-r--r-- | src/vnet/session/session.c | 8 | ||||
| -rw-r--r-- | src/vnet/session/session_types.h | 3 |
2 files changed, 9 insertions, 2 deletions
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c index eaba80f24e2..b0dbb9ddfe8 100644 --- a/src/vnet/session/session.c +++ b/src/vnet/session/session.c @@ -1526,9 +1526,15 @@ session_half_close (session_t *s) void session_close (session_t * s) { - if (!s) + if (!s || (s->flags & SESSION_F_APP_CLOSED)) return; + /* Transports can close and delete their state independent of app closes + * and transport initiated state transitions can hide app closes. Instead + * of extending the state machine to support separate tracking of app and + * transport initiated closes, use a flag. */ + s->flags |= SESSION_F_APP_CLOSED; + if (s->session_state >= SESSION_STATE_CLOSING) { /* Session will only be removed once both app and transport diff --git a/src/vnet/session/session_types.h b/src/vnet/session/session_types.h index dcbbd72ef8e..513929a8354 100644 --- a/src/vnet/session/session_types.h +++ b/src/vnet/session/session_types.h @@ -173,7 +173,8 @@ typedef enum _ (IS_MIGRATING, "migrating") \ _ (UNIDIRECTIONAL, "unidirectional") \ _ (CUSTOM_FIFO_TUNING, "custom-fifo-tuning") \ - _ (HALF_OPEN, "half-open") + _ (HALF_OPEN, "half-open") \ + _ (APP_CLOSED, "app-closed") typedef enum session_flags_bits_ { |