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nts: disable input when sending data in NTS-KE session

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Ignore read events when sending data to avoid spinning with blocked
output.
This commit is contained in:
Miroslav Lichvar
2020-07-13 12:21:39 +02:00
parent 7abd982f87
commit 962afb9e7d
1 changed files with 12 additions and 5 deletions
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17
nts_ke_session.c
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@@ -317,6 +317,15 @@ check_alpn(NKSN_Instance inst)
/* ================================================== */ /* ================================================== */
static void
set_input_output(NKSN_Instance inst, int output)
{
SCH_SetFileHandlerEvent(inst->sock_fd, SCH_FILE_INPUT, !output);
SCH_SetFileHandlerEvent(inst->sock_fd, SCH_FILE_OUTPUT, output);
}
/* ================================================== */
static void static void
change_state(NKSN_Instance inst, KeState state) change_state(NKSN_Instance inst, KeState state)
{ {
@@ -338,7 +347,7 @@ change_state(NKSN_Instance inst, KeState state)
assert(0); assert(0);
} }
SCH_SetFileHandlerEvent(inst->sock_fd, SCH_FILE_OUTPUT, output); set_input_output(inst, output);
inst->state = state; inst->state = state;
} }
@@ -406,8 +415,7 @@ handle_event(NKSN_Instance inst, int event)
} }
/* Disable output when the handshake is trying to receive data */ /* Disable output when the handshake is trying to receive data */
SCH_SetFileHandlerEvent(inst->sock_fd, SCH_FILE_OUTPUT, set_input_output(inst, gnutls_record_get_direction(inst->tls_session));
gnutls_record_get_direction(inst->tls_session));
return 0; return 0;
} }
@@ -515,8 +523,7 @@ handle_event(NKSN_Instance inst, int event)
} }
/* Disable output when the TLS shutdown is trying to receive data */ /* Disable output when the TLS shutdown is trying to receive data */
SCH_SetFileHandlerEvent(inst->sock_fd, SCH_FILE_OUTPUT, set_input_output(inst, gnutls_record_get_direction(inst->tls_session));
gnutls_record_get_direction(inst->tls_session));
return 0; return 0;
} }