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Add systemd socket activation capability

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Add support for a systemd.socket activation. Socket it passed from
systemd via file descriptor (see systemd.socket doc)
Also, added a few features for convenience:
  * --conn/conv-timeout options to control conversation and connection
    timeouts
  * --shutdown option to shutdown service after all connections are
    timeouted. This is for convent usage with systemd.socket
  * test script which allows to smoke test udp speeder and its
    socket activation capability
  * example systemd unit files
This commit is contained in:
Mykola Karpets
2025-03-10 18:16:26 +02:00
parent 17694ecaa9
commit 6632b716b8
13 changed files with 333 additions and 8 deletions
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8
connection.cpp
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@@ -12,6 +12,8 @@
const int disable_conn_clear = 0; // a raw connection is called conn.
int report_interval = 0;
u32_t server_conn_timeout_s = 60; // default connection timeout in seconds
u32_t conv_timeout_s = 30; // default conversation timeout in seconds
void server_clear_function(u64_t u64) // used in conv_manager in server mode.for server we have to use one udp fd for one conv(udp connection),
// so we have to close the fd when conv expires
@@ -114,7 +116,7 @@ int conn_manager_t::clear_inactive0() {
if (it->second->conv_manager.s.get_size() > 0) {
// mylog(log_info,"[%s:%d]size %d \n",my_ntoa(get_u64_h(it->first)),get_u64_l(it->first),(int)it->second->conv_manager.get_size());
it++;
} else if (current_time < it->second->last_active_time + server_conn_timeout) {
} else if (current_time < it->second->last_active_time + server_conn_timeout_s * 1000) {
it++;
} else {
address_t tmp_addr = it->first; // avoid making get_str() const;
@@ -128,3 +130,7 @@ int conn_manager_t::clear_inactive0() {
clear_it = it;
return 0;
}
bool conn_manager_t::has_active_connections() {
return !mp.empty();
}