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Remove unnecessary atomic operations in levin code

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This commit is contained in:
Lee Clagett 2021-01-21 15:14:36 -05:00
parent 964ad0e51a
commit 545b9825d6
1 changed files with 2 additions and 32 deletions
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34
contrib/epee/include/net/levin_protocol_handler_async.h
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@ -146,7 +146,6 @@ public:
stream_state_body stream_state_body
}; };
std::atomic<bool> m_deletion_initiated;
std::atomic<bool> m_protocol_released; std::atomic<bool> m_protocol_released;
volatile uint32_t m_invoke_buf_ready; volatile uint32_t m_invoke_buf_ready;
@ -297,7 +296,6 @@ public:
m_state(stream_state_head) m_state(stream_state_head)
{ {
m_close_called = 0; m_close_called = 0;
m_deletion_initiated = false;
m_protocol_released = false; m_protocol_released = false;
m_wait_count = 0; m_wait_count = 0;
m_oponent_protocol_ver = 0; m_oponent_protocol_ver = 0;
@ -310,7 +308,6 @@ public:
try try
{ {
m_deletion_initiated = true;
if(m_connection_initialized) if(m_connection_initialized)
{ {
m_config.del_connection(this); m_config.del_connection(this);
@ -633,20 +630,8 @@ public:
int err_code = LEVIN_OK; int err_code = LEVIN_OK;
do do
{ {
if(m_deletion_initiated)
{
err_code = LEVIN_ERROR_CONNECTION_DESTROYED;
break;
}
CRITICAL_REGION_LOCAL(m_call_lock); CRITICAL_REGION_LOCAL(m_call_lock);
if(m_deletion_initiated)
{
err_code = LEVIN_ERROR_CONNECTION_DESTROYED;
break;
}
boost::interprocess::ipcdetail::atomic_write32(&m_invoke_buf_ready, 0); boost::interprocess::ipcdetail::atomic_write32(&m_invoke_buf_ready, 0);
CRITICAL_REGION_BEGIN(m_invoke_response_handlers_lock); CRITICAL_REGION_BEGIN(m_invoke_response_handlers_lock);
@ -684,14 +669,8 @@ public:
misc_utils::auto_scope_leave_caller scope_exit_handler = misc_utils::create_scope_leave_handler( misc_utils::auto_scope_leave_caller scope_exit_handler = misc_utils::create_scope_leave_handler(
boost::bind(&async_protocol_handler::finish_outer_call, this)); boost::bind(&async_protocol_handler::finish_outer_call, this));
if(m_deletion_initiated)
return LEVIN_ERROR_CONNECTION_DESTROYED;
CRITICAL_REGION_LOCAL(m_call_lock); CRITICAL_REGION_LOCAL(m_call_lock);
if(m_deletion_initiated)
return LEVIN_ERROR_CONNECTION_DESTROYED;
boost::interprocess::ipcdetail::atomic_write32(&m_invoke_buf_ready, 0); boost::interprocess::ipcdetail::atomic_write32(&m_invoke_buf_ready, 0);
if (command == m_connection_context.handshake_command()) if (command == m_connection_context.handshake_command())
@ -706,7 +685,7 @@ public:
uint64_t ticks_start = misc_utils::get_tick_count(); uint64_t ticks_start = misc_utils::get_tick_count();
size_t prev_size = 0; size_t prev_size = 0;
while(!boost::interprocess::ipcdetail::atomic_read32(&m_invoke_buf_ready) && !m_deletion_initiated && !m_protocol_released) while(!boost::interprocess::ipcdetail::atomic_read32(&m_invoke_buf_ready) && !m_protocol_released)
{ {
if(m_cache_in_buffer.size() - prev_size >= MIN_BYTES_WANTED) if(m_cache_in_buffer.size() - prev_size >= MIN_BYTES_WANTED)
{ {
@ -723,7 +702,7 @@ public:
return LEVIN_ERROR_CONNECTION_DESTROYED; return LEVIN_ERROR_CONNECTION_DESTROYED;
} }
if(m_deletion_initiated || m_protocol_released) if(m_protocol_released)
return LEVIN_ERROR_CONNECTION_DESTROYED; return LEVIN_ERROR_CONNECTION_DESTROYED;
CRITICAL_REGION_BEGIN(m_local_inv_buff_lock); CRITICAL_REGION_BEGIN(m_local_inv_buff_lock);
@ -739,14 +718,8 @@ public:
misc_utils::auto_scope_leave_caller scope_exit_handler = misc_utils::create_scope_leave_handler( misc_utils::auto_scope_leave_caller scope_exit_handler = misc_utils::create_scope_leave_handler(
boost::bind(&async_protocol_handler::finish_outer_call, this)); boost::bind(&async_protocol_handler::finish_outer_call, this));
if(m_deletion_initiated)
return LEVIN_ERROR_CONNECTION_DESTROYED;
CRITICAL_REGION_LOCAL(m_call_lock); CRITICAL_REGION_LOCAL(m_call_lock);
if(m_deletion_initiated)
return LEVIN_ERROR_CONNECTION_DESTROYED;
if (!send_message(command, in_buff, LEVIN_PACKET_REQUEST, false)) if (!send_message(command, in_buff, LEVIN_PACKET_REQUEST, false))
{ {
LOG_ERROR_CC(m_connection_context, "Failed to send notify message"); LOG_ERROR_CC(m_connection_context, "Failed to send notify message");
@ -768,9 +741,6 @@ public:
boost::bind(&async_protocol_handler::finish_outer_call, this) boost::bind(&async_protocol_handler::finish_outer_call, this)
); );
if(m_deletion_initiated)
return LEVIN_ERROR_CONNECTION_DESTROYED;
const std::size_t length = message.size(); const std::size_t length = message.size();
if (!m_pservice_endpoint->do_send(std::move(message))) if (!m_pservice_endpoint->do_send(std::move(message)))
{ {