Table-ify logs

This commit is contained in:
blankie 2023-01-29 15:21:22 +07:00
parent fbf717db33
commit 75d62a0031
Signed by: blankie
GPG Key ID: CC15FC822C7F61F5
6 changed files with 85 additions and 67 deletions

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@ -18,8 +18,8 @@ static inline void check_for_logcat_items(LogcatThread& logcat_thread, const Fil
LogcatThreadItem* logcat_thread_item;
while ((logcat_thread_item = logcat_thread.atomic_ring_buffer.get())) {
if (std::holds_alternative<std::string>(*logcat_thread_item)) {
log_raw(std::move(std::get<std::string>(*logcat_thread_item)), false);
if (std::holds_alternative<LogEntry>(*logcat_thread_item)) {
log(std::move(std::get<LogEntry>(*logcat_thread_item)), false);
} else if (std::holds_alternative<LogcatEntry>(*logcat_thread_item)) {
logcat_entries.push_back(std::move(std::get<LogcatEntry>(*logcat_thread_item)));
if (matches(filters, logcat_entries.back())) {

49
log.cpp
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@ -1,44 +1,39 @@
#include <ctime>
#include <string>
#include <vector>
#include <exception>
#include "log.h"
std::string log_entries;
std::vector<size_t> log_entry_line_offsets = {0};
std::vector<LogEntry> log_entries;
std::string format_log(std::string entry, time_t time) {
size_t newline_pos;
LogEntry::LogEntry(time_t time_, std::string message_) : time(time_), message(std::move(message_)) {
size_t pos;
while ((pos = this->message.find('\n')) != std::string::npos) {
this->message.replace(pos, 1, 1, ' ');
}
}
std::string format_log(const LogEntry& entry) {
char time_as_str[128] = {0};
strftime(time_as_str, 127 * sizeof(char), "%c", localtime(&time));
while ((newline_pos = entry.find('\n')) != std::string::npos) {
entry.replace(newline_pos, 1, 1, ' ');
strftime(time_as_str, 127 * sizeof(char), "%c", localtime(&entry.time));
return std::string(1, '[') + time_as_str + "] " + entry.message;
}
return std::string(1, '[') + time_as_str + "] " + std::move(entry);
void print_log(const LogEntry& entry) {
char time_as_str[128] = {0};
strftime(time_as_str, 127 * sizeof(char), "%c", localtime(&entry.time));
fprintf(stderr, "[%s] %s\n", time_as_str, entry.message.c_str());
}
std::string format_log(std::string entry) {
return format_log(std::move(entry), time(nullptr));
}
void log_raw(std::string line, bool print) {
void log(LogEntry entry, bool print) {
if (print) {
printf("%s\n", line.c_str());
print_log(entry);
}
if (!log_entries.empty()) {
log_entries += '\n';
log_entry_line_offsets.push_back(log_entries.size());
}
log_entries += std::move(line);
log_entries.push_back(std::move(entry));
}
void log(std::string entry, time_t time) {
log_raw(format_log(std::move(entry), time));
}
void log(std::string entry) {
log_raw(format_log(std::move(entry)));
void log(std::string message) {
log({time(nullptr), std::move(message)});
}

18
log.h
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@ -2,13 +2,17 @@
#include <string>
#include <vector>
#include <exception>
extern std::string log_entries;
extern std::vector<size_t> log_entry_line_offsets;
struct LogEntry {
time_t time;
std::string message;
std::string format_log(std::string entry, time_t time);
std::string format_log(std::string entry);
void log_raw(std::string line, bool print = true);
void log(std::string entry, time_t time);
LogEntry() = default;
LogEntry(time_t time_, std::string message_);
};
extern std::vector<LogEntry> log_entries;
std::string format_log(const LogEntry& entry);
void print_log(const LogEntry& entry);
void log(LogEntry entry, bool print = true);
void log(std::string entry);

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@ -168,8 +168,8 @@ void LogcatThread::_put_if_not_stopped(LogcatThreadItem item) {
void LogcatThread::_handle_line(char* buf, size_t length, bool is_stdout) {
if (!is_stdout) {
std::string log_entry = format_log(std::string("Received from logcat stderr: ") + std::string(buf, length));
printf("%s\n", log_entry.c_str());
LogEntry log_entry = {time(nullptr), std::string("Received from logcat stderr: ") + std::string(buf, length)};
print_log(log_entry);
this->_put_if_not_stopped(std::move(log_entry));
return;
}
@ -178,8 +178,8 @@ void LogcatThread::_handle_line(char* buf, size_t length, bool is_stdout) {
try {
logcat_entry = try_parse_logcat_entry(buf, length, this->_current_buffer);
} catch (const std::exception& e) {
std::string log_entry = format_log(std::string("Failed to parse logcat entry: ") + e.what());
printf("%s\n", log_entry.c_str());
LogEntry log_entry = {time(nullptr), std::string("Failed to parse logcat entry: ") + e.what()};
print_log(log_entry);
this->_put_if_not_stopped(std::move(log_entry));
}
if (logcat_entry) {
@ -190,8 +190,8 @@ void LogcatThread::_handle_line(char* buf, size_t length, bool is_stdout) {
try {
new_buffer = try_parse_buffer(buf, length);
} catch (const std::exception& e) {
std::string log_entry = format_log(std::string("Failed to parse buffer line: ") + e.what());
printf("%s\n", log_entry.c_str());
LogEntry log_entry = {time(nullptr), std::string("Failed to parse buffer line: ") + e.what()};
print_log(log_entry);
this->_put_if_not_stopped(std::move(log_entry));
}
if (new_buffer) {
@ -199,8 +199,8 @@ void LogcatThread::_handle_line(char* buf, size_t length, bool is_stdout) {
return;
}
std::string log_entry = format_log(std::string("Cannot parse logcat stdout: ") + std::string(buf, length));
printf("%s\n", log_entry.c_str());
LogEntry log_entry = {time(nullptr), std::string("Cannot parse logcat stdout: ") + std::string(buf, length)};
print_log(log_entry);
this->_put_if_not_stopped(std::move(log_entry));
}
@ -209,8 +209,8 @@ void LogcatThread::_run_epoll_round() {
int ready_fds = epoll_wait(this->_epoll_fd, events, EPOLL_MAX_EVENTS, 1000);
if (ready_fds == -1) {
std::string log_entry = format_log(std::string("epoll_wait(): ") + strerror(errno));
printf("%s\n", log_entry.c_str());
LogEntry log_entry = {time(nullptr), std::string("epoll_wait(): ") + strerror(errno)};
print_log(log_entry);
this->_put_if_not_stopped(std::move(log_entry));
return;
}
@ -223,11 +223,11 @@ void LogcatThread::_run_epoll_round() {
try {
handle_fd(events[i].data.fd, buf, used, &LogcatThread::_handle_line, this, is_stdout);
} catch (const std::exception& e) {
std::string log_entry = "Failed to handle std";
log_entry += is_stdout ? "out: " : "err: ";
log_entry += e.what();
log_entry = format_log(std::move(log_entry));
printf("%s\n", log_entry.c_str());
std::string message = "Failed to handle std";
message += is_stdout ? "out: " : "err: ";
message += e.what();
LogEntry log_entry = {time(nullptr), std::move(message)};
print_log(log_entry);
this->_put_if_not_stopped(std::move(log_entry));
}
}
@ -237,7 +237,8 @@ void LogcatThread::_run(std::stop_token stoken) {
while (!stoken.stop_requested()) {
#ifndef NDEBUG
if (this->debug_log_request.test()) {
this->_put_if_not_stopped(format_log("A log entry from the logcat thread :D"));
LogEntry log_entry = {time(nullptr), "A log entry from the logcat thread :D"};
this->_put_if_not_stopped(std::move(log_entry));
this->debug_log_request.clear();
}
#endif

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@ -5,7 +5,7 @@
#include "arb.h"
#include "logcat_entry.h"
typedef std::variant<std::string, LogcatEntry> LogcatThreadItem;
typedef std::variant<LogEntry, LogcatEntry> LogcatThreadItem;
#define NEWLINE_BUF_SIZE 512 * 1024
class LogcatThread {

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@ -1,36 +1,47 @@
#include <ctime>
#include <imgui.h>
#include "../log.h"
#include "logs.h"
static inline void logs_scrolling_region(ImFont* monospace_font, bool* autoscrolling) {
ImGui::PushFont(monospace_font);
static inline void render_table(ImFont* monospace_font, bool* autoscrolling) {
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0, 0));
ImGui::TableSetupScrollFreeze(0, 1);
ImGui::TableSetupColumn("Time", ImGuiTableColumnFlags_None);
ImGui::TableSetupColumn("Message", ImGuiTableColumnFlags_None);
ImGui::TableHeadersRow();
ImGui::PushFont(monospace_font);
ImGuiListClipper clipper;
clipper.Begin(static_cast<int>(log_entry_line_offsets.size()));
clipper.Begin(static_cast<int>(log_entries.size()));
while (clipper.Step()) {
for (int i_u = clipper.DisplayStart; i_u < clipper.DisplayEnd; i_u++) {
// what'd we do if we log the error about an error failing to show logs
assert(i_u >= 0);
size_t i = static_cast<size_t>(i_u);
const char* start_offset = &log_entries[log_entry_line_offsets[i]];
const char* end_offset = log_entry_line_offsets.size() > i + 1
? &log_entries[log_entry_line_offsets[i + 1] - 1]
: &log_entries[log_entries.size()];
ImGui::TextUnformatted(start_offset, end_offset);
const LogEntry* log_entry = &log_entries[i];
char time_as_str[128] = {0};
strftime(time_as_str, 127 * sizeof(char), "%c", localtime(&log_entry->time));
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0); ImGui::TextUnformatted(time_as_str);
ImGui::TableSetColumnIndex(1); ImGui::TextUnformatted(log_entry->message.data(), &log_entry->message.data()[log_entry->message.size()]);
}
}
clipper.End();
ImGui::PopStyleVar();
ImGui::PopFont();
ImGui::PopStyleVar();
if (ImGui::GetScrollY() >= ImGui::GetScrollMaxY()) {
*autoscrolling = true;
ImGui::SetScrollHereY(1.0f);
}
ImGui::EndTable();
}
void logs_window(ImFont* monospace_font, bool* autoscrolling, bool* p_open) {
@ -41,20 +52,27 @@ void logs_window(ImFont* monospace_font, bool* autoscrolling, bool* p_open) {
if (ImGui::Button("Clear")) {
log_entries.clear();
log_entry_line_offsets = {0};
}
ImGui::SameLine();
if (ImGui::Button("Copy")) {
ImGui::SetClipboardText(log_entries.c_str());
std::string text;
for (const LogEntry& entry : log_entries) {
if (!text.empty()) {
text += '\n';
}
text += format_log(entry);
}
ImGui::SetClipboardText(text.c_str());
}
ImGui::Separator();
// copied from imgui/imgui_demo.cpp: [SECTION] Example App: Debug Console / ShowExampleAppConsole()
// and [SECTION] Example App: Long Text / ShowExampleAppLongText()
// and [SECTION] Example App: Debug Log / ShowExampleAppLog()
if (ImGui::BeginChild("ScrollingRegion", ImVec2(0, 0), false, ImGuiWindowFlags_HorizontalScrollbar)) {
logs_scrolling_region(monospace_font, autoscrolling);
// and Tables/Vertical scrolling, with clipping
const constexpr ImGuiTableFlags flags = ImGuiTableFlags_ScrollY | ImGuiTableFlags_ScrollX | ImGuiTableFlags_RowBg | ImGuiTableFlags_BordersOuter | ImGuiTableFlags_BordersV | ImGuiTableFlags_Resizable | ImGuiTableFlags_Reorderable | ImGuiTableFlags_Hideable;
if (ImGui::BeginTable("logs", 2, flags)) {
render_table(monospace_font, autoscrolling);
}
ImGui::EndChild();
ImGui::End();
}