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0195152e05
* Import cxxopts to replace getopts usage * Add visual studio build things * Fixup abseil build parts * Replace __attribute__((unused)) with ABSL_ATTRIBUTE_UNUSED * Fixup minor windows build issues * Replace getopts usage * Temporarily fixup .rc files * More minor windows fixes * Get a working build * Revert .rc files * Revert changes to nodedb
390 lines
10 KiB
C++
390 lines
10 KiB
C++
#include <metrics/metrictank_publisher.hpp>
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#include <util/logger.hpp>
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#include <cstdio>
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#include <absl/strings/str_cat.h>
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#include <absl/strings/str_join.h>
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#ifndef _WIN32
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#include <netdb.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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// bzero and friends graduated from /usr/ucb*
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// not too long ago
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#include <strings.h>
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#else
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#include <lmcons.h>
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#endif
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namespace llarp
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{
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namespace metrics
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{
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namespace
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{
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absl::optional< std::string >
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makeStr(double d)
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{
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if(std::isnan(d) || std::isinf(d))
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{
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return {};
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}
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else
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{
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return std::to_string(d);
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}
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}
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absl::optional< std::string >
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formatValue(const Record &record, double elapsedTime,
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Publication::Type publicationType)
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{
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switch(publicationType)
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{
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case Publication::Type::Unspecified:
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{
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assert(false && "Invalid publication type");
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}
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break;
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case Publication::Type::Total:
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{
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return makeStr(record.total());
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}
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break;
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case Publication::Type::Count:
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{
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return std::to_string(record.count());
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}
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break;
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case Publication::Type::Min:
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{
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return makeStr(record.min());
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}
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break;
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case Publication::Type::Max:
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{
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return makeStr(record.max());
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}
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break;
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case Publication::Type::Avg:
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{
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return makeStr(record.total() / record.count());
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}
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break;
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case Publication::Type::Rate:
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{
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return makeStr(record.total() / elapsedTime);
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}
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break;
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case Publication::Type::RateCount:
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{
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return makeStr(record.count() / elapsedTime);
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}
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break;
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}
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assert(false && "Invalid publication type");
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}
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std::string
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addName(string_view id, string_view name, string_view suffix)
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{
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return absl::StrCat(id, ".", name, suffix);
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}
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std::vector< MetricTankPublisherInterface::PublishData >
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recordToData(const Record &record, absl::Time time, double elapsedTime,
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string_view suffix)
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{
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std::vector< MetricTankPublisherInterface::PublishData > result;
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std::string id = record.id().toString();
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auto publicationType = record.id().description()->type();
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if(publicationType != Publication::Type::Unspecified)
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{
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auto val = formatValue(record, elapsedTime, publicationType);
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if(val)
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{
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result.emplace_back(
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addName(id, Publication::repr(publicationType), suffix),
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val.value(), time);
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}
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}
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else
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{
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result.emplace_back(addName(id, "count", suffix),
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std::to_string(record.count()), time);
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result.emplace_back(addName(id, "total", suffix),
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std::to_string(record.total()), time);
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if(Record::DEFAULT_MIN != record.min() && !std::isnan(record.min())
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&& !std::isinf(record.min()))
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{
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result.emplace_back(addName(id, "min", suffix),
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std::to_string(record.min()), time);
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}
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if(Record::DEFAULT_MAX == record.max() && !std::isnan(record.max())
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&& !std::isinf(record.max()))
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{
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result.emplace_back(addName(id, "max", suffix),
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std::to_string(record.max()), time);
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}
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}
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return result;
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}
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#ifndef _WIN32
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void
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publishData(const std::vector< std::string > &toSend,
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const std::string &host, short port)
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{
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struct addrinfo hints, *addrs;
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bzero(&hints, sizeof(hints));
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hints.ai_family = AF_UNSPEC;
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hints.ai_socktype = SOCK_STREAM;
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const std::string portAsStr = std::to_string(port);
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if(getaddrinfo(host.c_str(), portAsStr.c_str(), &hints, &addrs) != 0)
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{
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LogError("Failed to get address info");
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return;
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}
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int sock =
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::socket(addrs->ai_family, addrs->ai_socktype, addrs->ai_protocol);
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if(sock < 0)
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{
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LogError("Failed to open socket");
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freeaddrinfo(addrs);
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return;
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}
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if(connect(sock, addrs->ai_addr, addrs->ai_addrlen) < 0)
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{
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LogError("Failed to connect to metrictank");
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close(sock);
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freeaddrinfo(addrs);
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return;
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}
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freeaddrinfo(addrs);
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for(const std::string &val : toSend)
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{
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ssize_t sentLen = 0;
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do
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{
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sentLen =
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::send(sock, val.c_str() + sentLen, val.size() - sentLen, 0);
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if(sentLen == -1)
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{
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LogError("Error ", strerror(errno));
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}
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} while((0 <= sentLen)
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&& (static_cast< size_t >(sentLen) < val.size()));
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}
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shutdown(sock, SHUT_RDWR);
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close(sock);
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}
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#else
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void
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publishData(const std::vector< std::string > &toSend,
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const std::string &host, short port)
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{
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struct addrinfo *addrs = NULL, hints;
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ZeroMemory(&hints, sizeof(hints));
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hints.ai_family = AF_UNSPEC;
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_protocol = IPPROTO_TCP;
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const std::string portAsStr = std::to_string(port);
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if(getaddrinfo(host.c_str(), portAsStr.c_str(), &hints, &addrs) != 0)
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{
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LogError("Failed to get address info");
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return;
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}
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SOCKET sock =
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::socket(addrs->ai_family, addrs->ai_socktype, addrs->ai_protocol);
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if(sock == INVALID_SOCKET)
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{
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LogError("Failed to open socket");
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freeaddrinfo(addrs);
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return;
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}
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if(connect(sock, addrs->ai_addr, addrs->ai_addrlen) == SOCKET_ERROR)
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{
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LogError("Failed to connect to metrictank");
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closesocket(sock);
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freeaddrinfo(addrs);
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return;
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}
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freeaddrinfo(addrs);
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for(const std::string &val : toSend)
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{
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int sentLen = 0;
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do
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{
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sentLen =
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::send(sock, val.c_str() + sentLen, val.size() - sentLen, 0);
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if(sentLen == SOCKET_ERROR)
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{
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LogError("Error ", strerror(errno));
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}
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} while((0 <= sentLen)
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&& (static_cast< size_t >(sentLen) < val.size()));
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}
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shutdown(sock, SD_SEND);
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closesocket(sock);
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}
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#endif
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MetricTankPublisherInterface::Tags
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updateTags(MetricTankPublisherInterface::Tags tags)
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{
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if(tags.count("system") == 0)
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{
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#if defined(_WIN32) || defined(_WIN64) || defined(__NT__)
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tags["system"] = "windows";
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#elif defined(__APPLE__)
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tags["system"] = "macos";
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#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
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tags["system"] = "bsd";
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#elif defined(__sun)
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tags["system"] = "solaris";
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#elif defined(__linux__)
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tags["system"] = "linux";
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#else
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tags["system"] = "unknown";
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#endif
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}
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if(tags.count("user") == 0)
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{
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#ifndef _WIN32
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const char *username = getlogin();
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if(username != nullptr)
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{
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tags["user"] = username;
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}
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else
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{
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tags["user"] = "unknown";
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}
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#else
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char username[UNLEN + 1];
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DWORD username_len = UNLEN + 1;
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GetUserName(username, &username_len);
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tags["user"] = username;
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#endif
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}
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return tags;
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}
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} // namespace
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std::string
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MetricTankPublisherInterface::makeSuffix(const Tags &tags)
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{
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std::string result;
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for(const auto &tag : updateTags(tags))
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{
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absl::StrAppend(&result, ";", tag.first, "=", tag.second);
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}
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return result;
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}
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void
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MetricTankPublisherInterface::publish(const Sample &values)
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{
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if(values.recordCount() == 0)
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{
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// nothing to publish
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return;
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}
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absl::Time sampleTime = values.sampleTime();
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std::vector< PublishData > result;
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result.reserve(values.recordCount());
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auto gIt = values.begin();
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auto prev = values.begin();
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for(; gIt != values.end(); ++gIt)
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{
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const double elapsedTime = absl::ToDoubleSeconds(gIt->samplePeriod());
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for(const auto &record : *gIt)
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{
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auto partial =
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recordToData(record, sampleTime, elapsedTime, m_suffix);
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result.insert(result.end(), partial.begin(), partial.end());
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}
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prev = gIt;
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}
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publish(result);
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}
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void
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MetricTankPublisher::publish(const std::vector< PublishData > &data)
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{
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if(m_queue.tryPushBack(data) == thread::QueueReturn::QueueFull)
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{
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LogWarn("Dropping metrictank logs!");
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}
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}
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void
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MetricTankPublisher::work()
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{
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while(true)
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{
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auto data = m_queue.popFront(); // block until we get something
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// Finish
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if(absl::holds_alternative< StopStruct >(data))
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{
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return;
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}
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assert(absl::holds_alternative< std::vector< PublishData > >(data));
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auto vec = absl::get< std::vector< PublishData > >(data);
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std::vector< std::string > toSend;
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toSend.reserve(vec.size());
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std::transform(vec.begin(), vec.end(), std::back_inserter(toSend),
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[](const PublishData &d) -> std::string {
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return absl::StrCat(
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std::get< 0 >(d), " ", std::get< 1 >(d), " ",
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absl::ToUnixSeconds(std::get< 2 >(d)), "\n");
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});
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publishData(toSend, m_host, m_port);
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}
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}
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} // namespace metrics
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} // namespace llarp
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