Cleanup, documentation, rename some things, cmake changes

2025-11-21 04:05:51 +00:00 · 2021-06-23 14:43:29 +00:00
parent 8af7825d7f
commit 056e170a56
55 changed files with 288 additions and 227 deletions
--- a/src/backend/PostgresBackend.h
+++ b/src/backend/PostgresBackend.h
@@ -0,0 +1,117 @@
+#ifndef RIPPLE_APP_REPORTING_POSTGRESBACKEND_H_INCLUDED
+#define RIPPLE_APP_REPORTING_POSTGRESBACKEND_H_INCLUDED
+#include <boost/json.hpp>
+#include <backend/BackendInterface.h>
+
+namespace Backend {
+class PostgresBackend : public BackendInterface
+{
+private:
+    mutable size_t numRowsInObjectsBuffer_ = 0;
+    mutable std::stringstream objectsBuffer_;
+    mutable std::stringstream keysBuffer_;
+    mutable std::stringstream transactionsBuffer_;
+    mutable std::stringstream accountTxBuffer_;
+    std::shared_ptr<PgPool> pgPool_;
+    mutable PgQuery writeConnection_;
+    mutable bool abortWrite_ = false;
+    mutable boost::asio::thread_pool pool_{16};
+    uint32_t writeInterval_ = 1000000;
+
+public:
+    PostgresBackend(boost::json::object const& config);
+
+    std::optional<uint32_t>
+    fetchLatestLedgerSequence() const override;
+
+    std::optional<ripple::LedgerInfo>
+    fetchLedgerBySequence(uint32_t sequence) const override;
+
+    std::optional<LedgerRange>
+    fetchLedgerRange() const override;
+
+    std::optional<Blob>
+    fetchLedgerObject(ripple::uint256 const& key, uint32_t sequence)
+        const override;
+
+    // returns a transaction, metadata pair
+    std::optional<TransactionAndMetadata>
+    fetchTransaction(ripple::uint256 const& hash) const override;
+
+    std::vector<TransactionAndMetadata>
+    fetchAllTransactionsInLedger(uint32_t ledgerSequence) const override;
+
+    std::vector<ripple::uint256>
+    fetchAllTransactionHashesInLedger(uint32_t ledgerSequence) const override;
+
+    LedgerPage
+    doFetchLedgerPage(
+        std::optional<ripple::uint256> const& cursor,
+        std::uint32_t ledgerSequence,
+        std::uint32_t limit) const override;
+
+    std::vector<TransactionAndMetadata>
+    fetchTransactions(
+        std::vector<ripple::uint256> const& hashes) const override;
+
+    std::vector<Blob>
+    fetchLedgerObjects(
+        std::vector<ripple::uint256> const& keys,
+        uint32_t sequence) const override;
+
+    std::pair<
+        std::vector<TransactionAndMetadata>,
+        std::optional<AccountTransactionsCursor>>
+    fetchAccountTransactions(
+        ripple::AccountID const& account,
+        std::uint32_t limit,
+        std::optional<AccountTransactionsCursor> const& cursor) const override;
+
+    void
+    writeLedger(
+        ripple::LedgerInfo const& ledgerInfo,
+        std::string&& ledgerHeader,
+        bool isFirst) const override;
+
+    void
+    doWriteLedgerObject(
+        std::string&& key,
+        uint32_t seq,
+        std::string&& blob,
+        bool isCreated,
+        bool isDeleted,
+        std::optional<ripple::uint256>&& book) const override;
+
+    void
+    writeTransaction(
+        std::string&& hash,
+        uint32_t seq,
+        std::string&& transaction,
+        std::string&& metadata) const override;
+
+    void
+    writeAccountTransactions(
+        std::vector<AccountTransactionsData>&& data) const override;
+
+    void
+    open(bool readOnly) override;
+
+    void
+    close() override;
+
+    void
+    startWrites() const override;
+
+    bool
+    doFinishWrites() const override;
+
+    bool
+    doOnlineDelete(uint32_t numLedgersToKeep) const override;
+    bool
+    writeKeys(
+        std::unordered_set<ripple::uint256> const& keys,
+        KeyIndex const& index,
+        bool isAsync = false) const override;
+};
+}  // namespace Backend
+#endif