diff options
author | Vincent Ambo <tazjin@google.com> | 2020-05-19T03·49+0100 |
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committer | Vincent Ambo <tazjin@google.com> | 2020-05-19T03·49+0100 |
commit | f8deeb144291e8da1e9bc1f497a67fc9428d7ba2 (patch) | |
tree | edf96757adf1c278a085c65af42402568dabbb28 /third_party/nix/src/nix | |
parent | 939dd9f8176266add4d88572203739fa74b14fa5 (diff) |
chore(3p/nix/nix): Remove progress bar implementation r/759
The progress bar has lots of complexity for little benefit. The previous activity tracking stuff has been deleted as part of the logging refactoring and I am not going to implement support for this again for now.
Diffstat (limited to 'third_party/nix/src/nix')
-rw-r--r-- | third_party/nix/src/nix/progress-bar.cc | 444 | ||||
-rw-r--r-- | third_party/nix/src/nix/progress-bar.hh | 11 |
2 files changed, 0 insertions, 455 deletions
diff --git a/third_party/nix/src/nix/progress-bar.cc b/third_party/nix/src/nix/progress-bar.cc deleted file mode 100644 index d3fca01c38a1..000000000000 --- a/third_party/nix/src/nix/progress-bar.cc +++ /dev/null @@ -1,444 +0,0 @@ -#include "progress-bar.hh" -#include <atomic> -#include <map> -#include <thread> -#include "names.hh" -#include "store-api.hh" -#include "sync.hh" -#include "util.hh" - -namespace nix { - -static std::string getS(const std::vector<Logger::Field>& fields, size_t n) { - assert(n < fields.size()); - assert(fields[n].type == Logger::Field::tString); - return fields[n].s; -} - -static uint64_t getI(const std::vector<Logger::Field>& fields, size_t n) { - assert(n < fields.size()); - assert(fields[n].type == Logger::Field::tInt); - return fields[n].i; -} - -class ProgressBar : public Logger { - private: - struct ActInfo { - std::string s, lastLine, phase; - ActivityType type = actUnknown; - uint64_t done = 0; - uint64_t expected = 0; - uint64_t running = 0; - uint64_t failed = 0; - std::map<ActivityType, uint64_t> expectedByType; - bool visible = true; - ActivityId parent; - std::optional<std::string> name; - }; - - struct ActivitiesByType { - std::map<ActivityId, std::list<ActInfo>::iterator> its; - uint64_t done = 0; - uint64_t expected = 0; - uint64_t failed = 0; - }; - - struct State { - std::list<ActInfo> activities; - std::map<ActivityId, std::list<ActInfo>::iterator> its; - - std::map<ActivityType, ActivitiesByType> activitiesByType; - - uint64_t filesLinked = 0, bytesLinked = 0; - - uint64_t corruptedPaths = 0, untrustedPaths = 0; - - bool active = true; - bool haveUpdate = true; - }; - - Sync<State> state_; - - std::thread updateThread; - - std::condition_variable quitCV, updateCV; - - bool printBuildLogs; - bool isTTY; - - public: - ProgressBar(bool printBuildLogs, bool isTTY) - : printBuildLogs(printBuildLogs), isTTY(isTTY) { - state_.lock()->active = isTTY; - updateThread = std::thread([&]() { - auto state(state_.lock()); - while (state->active) { - if (!state->haveUpdate) state.wait(updateCV); - draw(*state); - state.wait_for(quitCV, std::chrono::milliseconds(50)); - } - }); - } - - ~ProgressBar() { - stop(); - updateThread.join(); - } - - void stop() { - auto state(state_.lock()); - if (!state->active) return; - state->active = false; - std::string status = getStatus(*state); - writeToStderr("\r\e[K"); - if (status != "") writeToStderr("[" + status + "]\n"); - updateCV.notify_one(); - quitCV.notify_one(); - } - - void log(Verbosity lvl, const FormatOrString& fs) override { - auto state(state_.lock()); - log(*state, lvl, fs.s); - } - - void log(State& state, Verbosity lvl, const std::string& s) { - if (state.active) { - writeToStderr("\r\e[K" + filterANSIEscapes(s, !isTTY) + ANSI_NORMAL "\n"); - draw(state); - } else { - auto s2 = s + ANSI_NORMAL "\n"; - if (!isTTY) s2 = filterANSIEscapes(s2, true); - writeToStderr(s2); - } - } - - void startActivity(ActivityId act, Verbosity lvl, ActivityType type, - const std::string& s, const Fields& fields, - ActivityId parent) override { - auto state(state_.lock()); - - if (lvl <= verbosity && !s.empty()) log(*state, lvl, s + "..."); - - state->activities.emplace_back(ActInfo()); - auto i = std::prev(state->activities.end()); - i->s = s; - i->type = type; - i->parent = parent; - state->its.emplace(act, i); - state->activitiesByType[type].its.emplace(act, i); - - if (type == actBuild) { - auto name = storePathToName(getS(fields, 0)); - if (hasSuffix(name, ".drv")) name.resize(name.size() - 4); - i->s = fmt("building " ANSI_BOLD "%s" ANSI_NORMAL, name); - auto machineName = getS(fields, 1); - if (machineName != "") - i->s += fmt(" on " ANSI_BOLD "%s" ANSI_NORMAL, machineName); - auto curRound = getI(fields, 2); - auto nrRounds = getI(fields, 3); - if (nrRounds != 1) i->s += fmt(" (round %d/%d)", curRound, nrRounds); - i->name = DrvName(name).name; - } - - if (type == actSubstitute) { - auto name = storePathToName(getS(fields, 0)); - auto sub = getS(fields, 1); - i->s = fmt(hasPrefix(sub, "local") - ? "copying " ANSI_BOLD "%s" ANSI_NORMAL " from %s" - : "fetching " ANSI_BOLD "%s" ANSI_NORMAL " from %s", - name, sub); - } - - if (type == actPostBuildHook) { - auto name = storePathToName(getS(fields, 0)); - if (hasSuffix(name, ".drv")) name.resize(name.size() - 4); - i->s = fmt("post-build " ANSI_BOLD "%s" ANSI_NORMAL, name); - i->name = DrvName(name).name; - } - - if (type == actQueryPathInfo) { - auto name = storePathToName(getS(fields, 0)); - i->s = fmt("querying " ANSI_BOLD "%s" ANSI_NORMAL " on %s", name, - getS(fields, 1)); - } - - if ((type == actDownload && hasAncestor(*state, actCopyPath, parent)) || - (type == actDownload && - hasAncestor(*state, actQueryPathInfo, parent)) || - (type == actCopyPath && hasAncestor(*state, actSubstitute, parent))) - i->visible = false; - - update(*state); - } - - /* Check whether an activity has an ancestore with the specified - type. */ - bool hasAncestor(State& state, ActivityType type, ActivityId act) { - while (act != 0) { - auto i = state.its.find(act); - if (i == state.its.end()) break; - if (i->second->type == type) return true; - act = i->second->parent; - } - return false; - } - - void stopActivity(ActivityId act) override { - auto state(state_.lock()); - - auto i = state->its.find(act); - if (i != state->its.end()) { - auto& actByType = state->activitiesByType[i->second->type]; - actByType.done += i->second->done; - actByType.failed += i->second->failed; - - for (auto& j : i->second->expectedByType) - state->activitiesByType[j.first].expected -= j.second; - - actByType.its.erase(act); - state->activities.erase(i->second); - state->its.erase(i); - } - - update(*state); - } - - void result(ActivityId act, ResultType type, - const std::vector<Field>& fields) override { - auto state(state_.lock()); - - if (type == resFileLinked) { - state->filesLinked++; - state->bytesLinked += getI(fields, 0); - update(*state); - } - - else if (type == resBuildLogLine || type == resPostBuildLogLine) { - auto lastLine = trim(getS(fields, 0)); - if (!lastLine.empty()) { - auto i = state->its.find(act); - assert(i != state->its.end()); - ActInfo info = *i->second; - if (printBuildLogs) { - auto suffix = "> "; - if (type == resPostBuildLogLine) { - suffix = " (post)> "; - } - log(*state, lvlInfo, - ANSI_FAINT + info.name.value_or("unnamed") + suffix + - ANSI_NORMAL + lastLine); - } else { - state->activities.erase(i->second); - info.lastLine = lastLine; - state->activities.emplace_back(info); - i->second = std::prev(state->activities.end()); - update(*state); - } - } - } - - else if (type == resUntrustedPath) { - state->untrustedPaths++; - update(*state); - } - - else if (type == resCorruptedPath) { - state->corruptedPaths++; - update(*state); - } - - else if (type == resSetPhase) { - auto i = state->its.find(act); - assert(i != state->its.end()); - i->second->phase = getS(fields, 0); - update(*state); - } - - else if (type == resProgress) { - auto i = state->its.find(act); - assert(i != state->its.end()); - ActInfo& actInfo = *i->second; - actInfo.done = getI(fields, 0); - actInfo.expected = getI(fields, 1); - actInfo.running = getI(fields, 2); - actInfo.failed = getI(fields, 3); - update(*state); - } - - else if (type == resSetExpected) { - auto i = state->its.find(act); - assert(i != state->its.end()); - ActInfo& actInfo = *i->second; - auto type = (ActivityType)getI(fields, 0); - auto& j = actInfo.expectedByType[type]; - state->activitiesByType[type].expected -= j; - j = getI(fields, 1); - state->activitiesByType[type].expected += j; - update(*state); - } - } - - void update(State& state) { - state.haveUpdate = true; - updateCV.notify_one(); - } - - void draw(State& state) { - state.haveUpdate = false; - if (!state.active) return; - - std::string line; - - std::string status = getStatus(state); - if (!status.empty()) { - line += '['; - line += status; - line += "]"; - } - - if (!state.activities.empty()) { - if (!status.empty()) line += " "; - auto i = state.activities.rbegin(); - - while (i != state.activities.rend() && - (!i->visible || (i->s.empty() && i->lastLine.empty()))) - ++i; - - if (i != state.activities.rend()) { - line += i->s; - if (!i->phase.empty()) { - line += " ("; - line += i->phase; - line += ")"; - } - if (!i->lastLine.empty()) { - if (!i->s.empty()) line += ": "; - line += i->lastLine; - } - } - } - - auto width = getWindowSize().second; - if (width <= 0) width = std::numeric_limits<decltype(width)>::max(); - - writeToStderr("\r" + filterANSIEscapes(line, false, width) + "\e[K"); - } - - std::string getStatus(State& state) { - auto MiB = 1024.0 * 1024.0; - - std::string res; - - auto renderActivity = [&](ActivityType type, const std::string& itemFmt, - const std::string& numberFmt = "%d", - double unit = 1) { - auto& act = state.activitiesByType[type]; - uint64_t done = act.done, expected = act.done, running = 0, - failed = act.failed; - for (auto& j : act.its) { - done += j.second->done; - expected += j.second->expected; - running += j.second->running; - failed += j.second->failed; - } - - expected = std::max(expected, act.expected); - - std::string s; - - if (running || done || expected || failed) { - if (running) - if (expected != 0) - s = fmt(ANSI_BLUE + numberFmt + ANSI_NORMAL "/" ANSI_GREEN + - numberFmt + ANSI_NORMAL "/" + numberFmt, - running / unit, done / unit, expected / unit); - else - s = fmt(ANSI_BLUE + numberFmt + ANSI_NORMAL "/" ANSI_GREEN + - numberFmt + ANSI_NORMAL, - running / unit, done / unit); - else if (expected != done) - if (expected != 0) - s = fmt(ANSI_GREEN + numberFmt + ANSI_NORMAL "/" + numberFmt, - done / unit, expected / unit); - else - s = fmt(ANSI_GREEN + numberFmt + ANSI_NORMAL, done / unit); - else - s = fmt(done ? ANSI_GREEN + numberFmt + ANSI_NORMAL : numberFmt, - done / unit); - s = fmt(itemFmt, s); - - if (failed) - s += fmt(" (" ANSI_RED "%d failed" ANSI_NORMAL ")", failed / unit); - } - - return s; - }; - - auto showActivity = [&](ActivityType type, const std::string& itemFmt, - const std::string& numberFmt = "%d", - double unit = 1) { - auto s = renderActivity(type, itemFmt, numberFmt, unit); - if (s.empty()) return; - if (!res.empty()) res += ", "; - res += s; - }; - - showActivity(actBuilds, "%s built"); - - auto s1 = renderActivity(actCopyPaths, "%s copied"); - auto s2 = renderActivity(actCopyPath, "%s MiB", "%.1f", MiB); - - if (!s1.empty() || !s2.empty()) { - if (!res.empty()) res += ", "; - if (s1.empty()) - res += "0 copied"; - else - res += s1; - if (!s2.empty()) { - res += " ("; - res += s2; - res += ')'; - } - } - - showActivity(actDownload, "%s MiB DL", "%.1f", MiB); - - { - auto s = renderActivity(actOptimiseStore, "%s paths optimised"); - if (s != "") { - s += fmt(", %.1f MiB / %d inodes freed", state.bytesLinked / MiB, - state.filesLinked); - if (!res.empty()) res += ", "; - res += s; - } - } - - // FIXME: don't show "done" paths in green. - showActivity(actVerifyPaths, "%s paths verified"); - - if (state.corruptedPaths) { - if (!res.empty()) res += ", "; - res += fmt(ANSI_RED "%d corrupted" ANSI_NORMAL, state.corruptedPaths); - } - - if (state.untrustedPaths) { - if (!res.empty()) res += ", "; - res += fmt(ANSI_RED "%d untrusted" ANSI_NORMAL, state.untrustedPaths); - } - - return res; - } -}; - -void startProgressBar(bool printBuildLogs) { - logger = - new ProgressBar(printBuildLogs, isatty(STDERR_FILENO) && - getEnv("TERM", "dumb") != "dumb"); -} - -void stopProgressBar() { - auto progressBar = dynamic_cast<ProgressBar*>(logger); - if (progressBar) progressBar->stop(); -} - -} // namespace nix diff --git a/third_party/nix/src/nix/progress-bar.hh b/third_party/nix/src/nix/progress-bar.hh deleted file mode 100644 index d9963f9d9456..000000000000 --- a/third_party/nix/src/nix/progress-bar.hh +++ /dev/null @@ -1,11 +0,0 @@ -#pragma once - -#include "logging.hh" - -namespace nix { - -void startProgressBar(bool printBuildLogs = false); - -void stopProgressBar(); - -} // namespace nix |