76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
#include <systemd/sd-journal.h>
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#include <cassert>
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#include <csignal>
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#include <map>
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#include <string>
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#include "third_party/json11/json11.hpp"
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#include "cereal/messaging/messaging.h"
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#include "common/timing.h"
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#include "common/util.h"
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ExitHandler do_exit;
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int main(int argc, char *argv[]) {
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PubMaster pm({"androidLog"});
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sd_journal *journal;
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int err = sd_journal_open(&journal, 0);
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assert(err >= 0);
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err = sd_journal_get_fd(journal); // needed so sd_journal_wait() works properly if files rotate
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assert(err >= 0);
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err = sd_journal_seek_tail(journal);
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assert(err >= 0);
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// workaround for bug https://github.com/systemd/systemd/issues/9934
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// call sd_journal_previous_skip after sd_journal_seek_tail (like journalctl -f does) to makes things work.
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sd_journal_previous_skip(journal, 1);
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while (!do_exit) {
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err = sd_journal_next(journal);
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assert(err >= 0);
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// Wait for new message if we didn't receive anything
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if (err == 0) {
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err = sd_journal_wait(journal, 1000 * 1000);
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assert(err >= 0);
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continue; // Try again
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}
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uint64_t timestamp = 0;
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err = sd_journal_get_realtime_usec(journal, ×tamp);
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assert(err >= 0);
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const void *data;
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size_t length;
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std::map<std::string, std::string> kv;
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SD_JOURNAL_FOREACH_DATA(journal, data, length) {
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std::string str((char*)data, length);
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// Split "KEY=VALUE"" on "=" and put in map
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std::size_t found = str.find("=");
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if (found != std::string::npos) {
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kv[str.substr(0, found)] = str.substr(found + 1, std::string::npos);
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}
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}
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MessageBuilder msg;
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// Build message
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auto androidEntry = msg.initEvent().initAndroidLog();
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androidEntry.setTs(timestamp);
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androidEntry.setMessage(json11::Json(kv).dump());
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if (kv.count("_PID")) androidEntry.setPid(std::atoi(kv["_PID"].c_str()));
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if (kv.count("PRIORITY")) androidEntry.setPriority(std::atoi(kv["PRIORITY"].c_str()));
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if (kv.count("SYSLOG_IDENTIFIER")) androidEntry.setTag(kv["SYSLOG_IDENTIFIER"]);
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pm.send("androidLog", msg);
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}
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sd_journal_close(journal);
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return 0;
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}
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