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Set some reasonable limits for sending information to the debugger, closes #5848

This commit is contained in:
Juan Linietsky 2017-08-08 20:55:22 -03:00
parent df573f5c3a
commit 90a595ac42
4 changed files with 24 additions and 12 deletions
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30
core/io/packet_peer.cpp
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@ -139,6 +139,8 @@ void PacketPeerStream::_set_stream_peer(REF p_peer) {
void PacketPeerStream::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_stream_peer", "peer:StreamPeer"), &PacketPeerStream::_set_stream_peer);
ClassDB::bind_method(D_METHOD("set_input_buffer_max_size", "max_size_bytes"), &PacketPeerStream::set_input_buffer_max_size);
ClassDB::bind_method(D_METHOD("set_output_buffer_max_size", "max_size_bytes"), &PacketPeerStream::set_output_buffer_max_size);
}
Error PacketPeerStream::_poll_buffer() const {
@ -146,13 +148,13 @@ Error PacketPeerStream::_poll_buffer() const {
ERR_FAIL_COND_V(peer.is_null(), ERR_UNCONFIGURED);
int read = 0;
Error err = peer->get_partial_data(&temp_buffer[0], ring_buffer.space_left(), read);
Error err = peer->get_partial_data(&input_buffer[0], ring_buffer.space_left(), read);
if (err)
return err;
if (read == 0)
return OK;
int w = ring_buffer.write(&temp_buffer[0], read);
int w = ring_buffer.write(&input_buffer[0], read);
ERR_FAIL_COND_V(w != read, ERR_BUG);
return OK;
@ -198,9 +200,9 @@ Error PacketPeerStream::get_packet(const uint8_t **r_buffer, int &r_buffer_size)
ERR_FAIL_COND_V(remaining < (int)len, ERR_UNAVAILABLE);
ring_buffer.read(lbuf, 4); //get rid of first 4 bytes
ring_buffer.read(&temp_buffer[0], len); // read packet
ring_buffer.read(&input_buffer[0], len); // read packet
*r_buffer = &temp_buffer[0];
*r_buffer = &input_buffer[0];
r_buffer_size = len;
return OK;
}
@ -217,19 +219,19 @@ Error PacketPeerStream::put_packet(const uint8_t *p_buffer, int p_buffer_size) {
return OK;
ERR_FAIL_COND_V(p_buffer_size < 0, ERR_INVALID_PARAMETER);
ERR_FAIL_COND_V(p_buffer_size + 4 > temp_buffer.size(), ERR_INVALID_PARAMETER);
ERR_FAIL_COND_V(p_buffer_size + 4 > output_buffer.size(), ERR_INVALID_PARAMETER);
encode_uint32(p_buffer_size, &temp_buffer[0]);
uint8_t *dst = &temp_buffer[4];
encode_uint32(p_buffer_size, &output_buffer[0]);
uint8_t *dst = &output_buffer[4];
for (int i = 0; i < p_buffer_size; i++)
dst[i] = p_buffer[i];
return peer->put_data(&temp_buffer[0], p_buffer_size + 4);
return peer->put_data(&output_buffer[0], p_buffer_size + 4);
}
int PacketPeerStream::get_max_packet_size() const {
return temp_buffer.size();
return output_buffer.size();
}
void PacketPeerStream::set_stream_peer(const Ref<StreamPeer> &p_peer) {
@ -249,7 +251,12 @@ void PacketPeerStream::set_input_buffer_max_size(int p_max_size) {
ERR_EXPLAIN("Buffer in use, resizing would cause loss of data");
ERR_FAIL_COND(ring_buffer.data_left());
ring_buffer.resize(nearest_shift(p_max_size + 4));
temp_buffer.resize(nearest_power_of_2(p_max_size + 4));
input_buffer.resize(nearest_power_of_2(p_max_size + 4));
}
void PacketPeerStream::set_output_buffer_max_size(int p_max_size) {
output_buffer.resize(nearest_power_of_2(p_max_size + 4));
}
PacketPeerStream::PacketPeerStream() {
@ -257,5 +264,6 @@ PacketPeerStream::PacketPeerStream() {
int rbsize = GLOBAL_GET("network/limits/packet_peer_stream/max_buffer_po2");
ring_buffer.resize(rbsize);
temp_buffer.resize(1 << rbsize);
input_buffer.resize(1 << rbsize);
output_buffer.resize(1 << rbsize);
}

4
core/io/packet_peer.h
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@ -75,7 +75,8 @@ class PacketPeerStream : public PacketPeer {
mutable Ref<StreamPeer> peer;
mutable RingBuffer<uint8_t> ring_buffer;
mutable Vector<uint8_t> temp_buffer;
mutable Vector<uint8_t> input_buffer;
mutable Vector<uint8_t> output_buffer;
Error _poll_buffer() const;
@ -92,6 +93,7 @@ public:
void set_stream_peer(const Ref<StreamPeer> &p_peer);
void set_input_buffer_max_size(int p_max_size);
void set_output_buffer_max_size(int p_max_size);
PacketPeerStream();
};

1
core/script_debugger_remote.cpp
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@ -945,6 +945,7 @@ ScriptDebuggerRemote::ScriptDebuggerRemote() {
tcp_client = StreamPeerTCP::create_ref();
packet_peer_stream = Ref<PacketPeerStream>(memnew(PacketPeerStream));
packet_peer_stream->set_stream_peer(tcp_client);
packet_peer_stream->set_output_buffer_max_size(1024 * 1024 * 8); //8mb should be way more than enough
mutex = Mutex::create();
locking = false;

1
editor/script_editor_debugger.cpp
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@ -1595,6 +1595,7 @@ void ScriptEditorDebugger::_bind_methods() {
ScriptEditorDebugger::ScriptEditorDebugger(EditorNode *p_editor) {
ppeer = Ref<PacketPeerStream>(memnew(PacketPeerStream));
ppeer->set_input_buffer_max_size(1024 * 1024 * 8); //8mb should be enough
editor = p_editor;
tabs = memnew(TabContainer);