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https://github.com/XTXMarkets/ternfs.git
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53049d5779
The idea is to drain the socket and do a single RocksDB WAL write/fsync for all the write requests we have found. The read requests are immediately executed. The reasoning here is that currently write requests are _a lot_ slower than the read requests because fsyncing takes ~500us on fsf1. In the future this might change. Since we're at it, we also use batch UDP syscalls in the CDC. Fixes #119.
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
#include "Common.hpp"
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <string.h>
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#include <unistd.h>
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#include <iomanip>
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std::ostream& operator<<(std::ostream& out, const struct sockaddr_in& addr) {
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char buf[INET_ADDRSTRLEN];
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inet_ntop(AF_INET, &addr.sin_addr, buf, sizeof(buf));
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out << buf << ":" << ntohs(addr.sin_port);
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return out;
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}
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std::ostream& operator<<(std::ostream& out, const struct in_addr& addr) {
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char buf[INET_ADDRSTRLEN];
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inet_ntop(AF_INET, &addr, buf, sizeof(buf));
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out << buf;
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return out;
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}
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std::ostream& goLangBytesFmt(std::ostream& out, const char* str, size_t len) {
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out << "[";
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const uint8_t* data = (const uint8_t*)str;
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for (int i = 0; i < len; i++) {
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if (i > 0) {
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out << " ";
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}
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out << (int)data[i];
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}
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out << "]";
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return out;
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}
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std::ostream& operator<<(std::ostream& out, const GoLangBytesFmt& bytes) {
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return goLangBytesFmt(out, bytes.str, bytes.len);
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}
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std::ostream& goLangQuotedStringFmt(std::ostream& out, const char* data, size_t len) {
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out << "\"";
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for (int i = 0; i < len; i++) {
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uint8_t ch = static_cast<uint8_t>(data[i]);
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if (isprint(ch)) {
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out << ch;
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} else if (ch == 0) {
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out << "\\0";
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} else {
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const char cfill = out.fill();
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out << std::hex << std::setfill('0');
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out << "\\x" << std::setw(2) << (int)ch;
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out << std::setfill(cfill) << std::dec;
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}
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}
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out << "\"";
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return out;
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}
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std::ostream& operator<<(std::ostream& out, const GoLangQuotedStringFmt& bytes) {
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return goLangQuotedStringFmt(out, bytes.str, bytes.len);
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} |