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author | MarcoFalke <falke.marco@gmail.com> | 2020-05-26 07:32:14 -0400 |
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committer | MarcoFalke <falke.marco@gmail.com> | 2020-05-26 07:33:43 -0400 |
commit | 13397dc78fd6a6a57bdc91db66c51788603267bb (patch) | |
tree | 1c6c78f1020c4c48da91e05b5aa767240d1129f0 | |
parent | d3b0ef80f6533e58e1ce4a5cbdaa9919872033fa (diff) | |
parent | fa756928c3f455943086051c5fe1d5bb09962248 (diff) | |
download | bitcoin-13397dc78fd6a6a57bdc91db66c51788603267bb.tar.xz |
Merge #19056: rpc: Make gettxoutsetinfo/GetUTXOStats interruptible
fa756928c3f455943086051c5fe1d5bb09962248 rpc: Make gettxoutsetinfo/GetUTXOStats interruptible (MarcoFalke)
fa7fc5a8e0fcf9ca81e84b3631f18ae40502be60 rpc: factor out RpcInterruptionPoint from dumptxoutset (MarcoFalke)
Pull request description:
Make it interruptible, so that shutdown doesn't block for up to one hour.
Fixes (partially) #13217
ACKs for top commit:
Empact:
Code Review ACK https://github.com/bitcoin/bitcoin/pull/19056/commits/fa756928c3f455943086051c5fe1d5bb09962248
laanwj:
Code review ACK fa756928c3f455943086051c5fe1d5bb09962248
Tree-SHA512: 298261e0ff7d79fab542b8f6828cc0ac451cbafe396d5f0816c9d36437faba1330f5c4cb2a25c5540e202bfb9783da6ec858bd453056ce488d21e36335d3d42c
-rw-r--r-- | src/node/coinstats.cpp | 3 | ||||
-rw-r--r-- | src/node/coinstats.h | 3 | ||||
-rw-r--r-- | src/rpc/blockchain.cpp | 9 | ||||
-rw-r--r-- | src/rpc/server.cpp | 7 | ||||
-rw-r--r-- | src/rpc/server.h | 5 |
5 files changed, 18 insertions, 9 deletions
diff --git a/src/node/coinstats.cpp b/src/node/coinstats.cpp index ec52a08ace..e3c4c828b6 100644 --- a/src/node/coinstats.cpp +++ b/src/node/coinstats.cpp @@ -33,7 +33,7 @@ static void ApplyStats(CCoinsStats &stats, CHashWriter& ss, const uint256& hash, } //! Calculate statistics about the unspent transaction output set -bool GetUTXOStats(CCoinsView *view, CCoinsStats &stats) +bool GetUTXOStats(CCoinsView* view, CCoinsStats& stats, const std::function<void()>& interruption_point) { stats = CCoinsStats(); std::unique_ptr<CCoinsViewCursor> pcursor(view->Cursor()); @@ -49,6 +49,7 @@ bool GetUTXOStats(CCoinsView *view, CCoinsStats &stats) uint256 prevkey; std::map<uint32_t, Coin> outputs; while (pcursor->Valid()) { + interruption_point(); COutPoint key; Coin coin; if (pcursor->GetKey(key) && pcursor->GetValue(coin)) { diff --git a/src/node/coinstats.h b/src/node/coinstats.h index a19af0fd1b..d9cdaa3036 100644 --- a/src/node/coinstats.h +++ b/src/node/coinstats.h @@ -10,6 +10,7 @@ #include <uint256.h> #include <cstdint> +#include <functional> class CCoinsView; @@ -29,6 +30,6 @@ struct CCoinsStats }; //! Calculate statistics about the unspent transaction output set -bool GetUTXOStats(CCoinsView* view, CCoinsStats& stats); +bool GetUTXOStats(CCoinsView* view, CCoinsStats& stats, const std::function<void()>& interruption_point = {}); #endif // BITCOIN_NODE_COINSTATS_H diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp index 717ca308ac..7d43de6646 100644 --- a/src/rpc/blockchain.cpp +++ b/src/rpc/blockchain.cpp @@ -996,7 +996,7 @@ static UniValue gettxoutsetinfo(const JSONRPCRequest& request) ::ChainstateActive().ForceFlushStateToDisk(); CCoinsView* coins_view = WITH_LOCK(cs_main, return &ChainstateActive().CoinsDB()); - if (GetUTXOStats(coins_view, stats)) { + if (GetUTXOStats(coins_view, stats, RpcInterruptionPoint)) { ret.pushKV("height", (int64_t)stats.nHeight); ret.pushKV("bestblock", stats.hashBlock.GetHex()); ret.pushKV("transactions", (int64_t)stats.nTransactions); @@ -1974,6 +1974,7 @@ bool FindScriptPubKey(std::atomic<int>& scan_progress, const std::atomic<bool>& Coin coin; if (!cursor->GetKey(key) || !cursor->GetValue(coin)) return false; if (++count % 8192 == 0) { + RpcInterruptionPoint(); if (should_abort) { // allow to abort the scan via the abort reference return false; @@ -2317,7 +2318,7 @@ UniValue dumptxoutset(const JSONRPCRequest& request) ::ChainstateActive().ForceFlushStateToDisk(); - if (!GetUTXOStats(&::ChainstateActive().CoinsDB(), stats)) { + if (!GetUTXOStats(&::ChainstateActive().CoinsDB(), stats, RpcInterruptionPoint)) { throw JSONRPCError(RPC_INTERNAL_ERROR, "Unable to read UTXO set"); } @@ -2335,9 +2336,7 @@ UniValue dumptxoutset(const JSONRPCRequest& request) unsigned int iter{0}; while (pcursor->Valid()) { - if (iter % 5000 == 0 && !IsRPCRunning()) { - throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Shutting down"); - } + if (iter % 5000 == 0) RpcInterruptionPoint(); ++iter; if (pcursor->GetKey(key) && pcursor->GetValue(coin)) { afile << key; diff --git a/src/rpc/server.cpp b/src/rpc/server.cpp index 219979f095..99c649d15a 100644 --- a/src/rpc/server.cpp +++ b/src/rpc/server.cpp @@ -11,9 +11,9 @@ #include <util/strencodings.h> #include <util/system.h> -#include <boost/signals2/signal.hpp> #include <boost/algorithm/string/classification.hpp> #include <boost/algorithm/string/split.hpp> +#include <boost/signals2/signal.hpp> #include <memory> // for unique_ptr #include <unordered_map> @@ -309,6 +309,11 @@ bool IsRPCRunning() return g_rpc_running; } +void RpcInterruptionPoint() +{ + if (!IsRPCRunning()) throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Shutting down"); +} + void SetRPCWarmupStatus(const std::string& newStatus) { LOCK(cs_rpcWarmup); diff --git a/src/rpc/server.h b/src/rpc/server.h index c91bf1f613..d7a04ff6e8 100644 --- a/src/rpc/server.h +++ b/src/rpc/server.h @@ -9,10 +9,10 @@ #include <amount.h> #include <rpc/request.h> +#include <functional> #include <map> #include <stdint.h> #include <string> -#include <functional> #include <univalue.h> @@ -29,6 +29,9 @@ namespace RPCServer /** Query whether RPC is running */ bool IsRPCRunning(); +/** Throw JSONRPCError if RPC is not running */ +void RpcInterruptionPoint(); + /** * Set the RPC warmup status. When this is done, all RPC calls will error out * immediately with RPC_IN_WARMUP. |