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re-init plugin when lookback seconds config changes

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This commit is contained in:
Doug Hoyte
2023-02-09 02:50:23 -05:00
parent 61f2638f88
commit 7c0477c202
1 changed files with 6 additions and 5 deletions
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11
src/PluginWritePolicy.h
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@ -27,11 +27,12 @@ struct PluginWritePolicy {
struct RunningPlugin {
pid_t pid;
std::string currPluginPath;
uint64_t lookbackSeconds;
struct timespec lastModTime;
FILE *r;
FILE *w;
RunningPlugin(pid_t pid, int rfd, int wfd, std::string currPluginPath) : pid(pid), currPluginPath(currPluginPath) {
RunningPlugin(pid_t pid, int rfd, int wfd, std::string currPluginPath, uint64_t lookbackSeconds) : pid(pid), currPluginPath(currPluginPath), lookbackSeconds(lookbackSeconds) {
r = fdopen(rfd, "r");
w = fdopen(wfd, "w");
setlinebuf(w);
@ -62,7 +63,7 @@ struct PluginWritePolicy {
try {
if (running) {
if (pluginPath != running->currPluginPath) {
if (pluginPath != running->currPluginPath || cfg().relay__writePolicy__lookbackSeconds != running->lookbackSeconds) {
running.reset();
} else {
struct stat statbuf;
@ -175,16 +176,16 @@ struct PluginWritePolicy {
auto ret = posix_spawn(&pid, path.c_str(), &file_actions, nullptr, argv, nullptr);
if (ret) throw herr("posix_spawn failed when to invoke '", path, "': ", strerror(errno));
running = make_unique<RunningPlugin>(pid, inPipe.saveFd(0), outPipe.saveFd(1), path);
running = make_unique<RunningPlugin>(pid, inPipe.saveFd(0), outPipe.saveFd(1), path, cfg().relay__writePolicy__lookbackSeconds);
}
void sendLookbackEvents() {
if (cfg().relay__writePolicy__lookbackSeconds == 0) return;
if (running->lookbackSeconds == 0) return;
Decompressor decomp;
auto now = hoytech::curr_time_us();
uint64_t start = now - (cfg().relay__writePolicy__lookbackSeconds * 1'000'000);
uint64_t start = now - (running->lookbackSeconds * 1'000'000);
auto txn = env.txn_ro();