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Add TCP connect timeout.

Browse source 
Default timeout is 30 seconds (i.e. after 30 seconds of calling
connect_to_host if the TCP peer is not connected the connection will
error out).

This value can be configured in project settings:
`network/limits/tcp/connect_timeout_seconds`
This commit is contained in:
Fabio Alessandrelli 2019-07-08 08:52:25 +02:00
parent 06a4212377
commit 32da4d7819
3 changed files with 15 additions and 0 deletions
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12
core/io/stream_peer_tcp.cpp
View file

@ -30,6 +30,8 @@
#include "stream_peer_tcp.h"
#include "core/project_settings.h"
Error StreamPeerTCP::_poll_connection() {
ERR_FAIL_COND_V(status != STATUS_CONNECTING || !_sock.is_valid() || !_sock->is_open(), FAILED);
@ -40,6 +42,12 @@ Error StreamPeerTCP::_poll_connection() {
status = STATUS_CONNECTED;
return OK;
} else if (err == ERR_BUSY) {
// Check for connect timeout
if (OS::get_singleton()->get_ticks_msec() > timeout) {
disconnect_from_host();
status = STATUS_ERROR;
return ERR_CONNECTION_ERROR;
}
// Still trying to connect
return OK;
}
@ -54,6 +62,7 @@ void StreamPeerTCP::accept_socket(Ref<NetSocket> p_sock, IP_Address p_host, uint
_sock = p_sock;
_sock->set_blocking_enabled(false);
timeout = OS::get_singleton()->get_ticks_msec() + (((uint64_t)GLOBAL_GET("network/limits/tcp/connect_timeout_seconds")) * 1000);
status = STATUS_CONNECTING;
peer_host = p_host;
@ -74,6 +83,7 @@ Error StreamPeerTCP::connect_to_host(const IP_Address &p_host, uint16_t p_port)
_sock->set_blocking_enabled(false);
timeout = OS::get_singleton()->get_ticks_msec() + (((uint64_t)GLOBAL_GET("network/limits/tcp/connect_timeout_seconds")) * 1000);
err = _sock->connect_to_host(p_host, p_port);
if (err == OK) {
@ -281,6 +291,7 @@ void StreamPeerTCP::disconnect_from_host() {
if (_sock.is_valid() && _sock->is_open())
_sock->close();
timeout = 0;
status = STATUS_NONE;
peer_host = IP_Address();
peer_port = 0;
@ -356,6 +367,7 @@ void StreamPeerTCP::_bind_methods() {
StreamPeerTCP::StreamPeerTCP() :
_sock(Ref<NetSocket>(NetSocket::create())),
timeout(0),
status(STATUS_NONE),
peer_port(0) {
}

1
core/io/stream_peer_tcp.h
View file

@ -52,6 +52,7 @@ public:
protected:
Ref<NetSocket> _sock;
uint64_t timeout;
Status status;
IP_Address peer_host;
uint16_t peer_port;

2
core/register_core_types.cpp
View file

@ -207,6 +207,8 @@ void register_core_types() {
void register_core_settings() {
//since in register core types, globals may not e present
GLOBAL_DEF("network/limits/tcp/connect_timeout_seconds", (30));
ProjectSettings::get_singleton()->set_custom_property_info("network/limits/tcp/connect_timeout_seconds", PropertyInfo(Variant::INT, "network/limits/tcp/connect_timeout_seconds", PROPERTY_HINT_RANGE, "1,1800,1"));
GLOBAL_DEF_RST("network/limits/packet_peer_stream/max_buffer_po2", (16));
ProjectSettings::get_singleton()->set_custom_property_info("network/limits/packet_peer_stream/max_buffer_po2", PropertyInfo(Variant::INT, "network/limits/packet_peer_stream/max_buffer_po2", PROPERTY_HINT_RANGE, "0,64,1,or_greater"));
}