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Fix: ensure revision mismatch also considers random debugging status

pull/12789/head
Rubidium 2024-05-12 22:15:34 +02:00 committed by rubidium42
parent 0409577277
commit b18d8d6574
1 changed files with 19 additions and 2 deletions
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21
src/network/core/network_game_info.cpp
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@ -24,6 +24,7 @@
#include "../../rev.h"
#include "../network_func.h"
#include "../network.h"
#include "../network_internal.h"
#include "packet.h"
#include "../../safeguards.h"
@ -46,7 +47,18 @@ std::string_view GetNetworkRevisionString()
static std::string network_revision;
if (network_revision.empty()) {
#if not defined(NETWORK_INTERNAL_H)
# error("network_internal.h must be included, otherwise the debug related preprocessor tokens won't be picked up correctly.")
#elif not defined(ENABLE_NETWORK_SYNC_EVERY_FRAME)
/* Just a standard build. */
network_revision = _openttd_revision;
#elif defined(NETWORK_SEND_DOUBLE_SEED)
/* Build for debugging that sends both parts of the seeds and by doing that practically syncs every frame. */
network_revision = fmt::format("dbg_seed-{}", _openttd_revision);
#else
/* Build for debugging that sends the first part of the seed every frame, practically syncing every frame. */
network_revision = fmt::format("dbg_sync-{}", _openttd_revision);
#endif
if (_openttd_revision_tagged) {
/* Tagged; do not mangle further, though ensure it's not too long. */
if (network_revision.size() >= NETWORK_REVISION_LENGTH) network_revision.resize(NETWORK_REVISION_LENGTH - 1);
@ -90,14 +102,19 @@ static std::string_view ExtractNetworkRevisionHash(std::string_view revision_str
*/
bool IsNetworkCompatibleVersion(std::string_view other)
{
if (GetNetworkRevisionString() == other) return true;
std::string_view our_revision = GetNetworkRevisionString();
if (our_revision == other) return true;
/* If this version is tagged, then the revision string must be a complete match,
* since there is no git hash suffix in it.
* This is needed to avoid situations like "1.9.0-beta1" comparing equal to "2.0.0-beta1". */
if (_openttd_revision_tagged) return false;
std::string_view hash1 = ExtractNetworkRevisionHash(GetNetworkRevisionString());
/* One of the versions is for some sort of debugging, but not both. */
if (other.starts_with("dbg_seed") != our_revision.starts_with("dbg_seed")) return false;
if (other.starts_with("dbg_sync") != our_revision.starts_with("dbg_sync")) return false;
std::string_view hash1 = ExtractNetworkRevisionHash(our_revision);
std::string_view hash2 = ExtractNetworkRevisionHash(other);
return hash1 == hash2;
}