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#include <experimental/filesystem>
#include <fstream>
#include <phosphor-logging/log.hpp>
#include <sys/inotify.h>
#include <unistd.h>
#include "config.h"
#include "sync_watch.hpp"
namespace phosphor
{
namespace software
{
namespace manager
{
using namespace phosphor::logging;
namespace fs = std::experimental::filesystem;
SyncWatch::SyncWatch(sd_event& loop,
std::function<int(fs::path&)> syncCallback) :
syncCallback(syncCallback)
{
auto syncfile = fs::path(SYNC_LIST_DIR_PATH) / SYNC_LIST_FILE_NAME;
if (fs::exists(syncfile))
{
std::string line;
std::ifstream file(syncfile.c_str());
while (std::getline(file, line))
{
auto fd = inotify_init1(IN_NONBLOCK);
if (-1 == fd)
{
log<level::ERR>("inotify_init1 failed",
entry("ERRNO=%d", errno),
entry("FILENAME=%s", line.c_str()),
entry("SYNCFILE=%s", syncfile.c_str()));
continue;
}
auto wd = inotify_add_watch(fd, line.c_str(), IN_CLOSE_WRITE);
if (-1 == wd)
{
log<level::ERR>("inotify_add_watch failed",
entry("ERRNO=%d", errno),
entry("FILENAME=%s", line.c_str()),
entry("SYNCFILE=%s", syncfile.c_str()));
close(fd);
continue;
}
auto rc =
sd_event_add_io(&loop, nullptr, fd, EPOLLIN, callback, this);
if (0 > rc)
{
log<level::ERR>("failed to add to event loop",
entry("RC=%d", rc),
entry("FILENAME=%s", line.c_str()),
entry("SYNCFILE=%s", syncfile.c_str()));
inotify_rm_watch(fd, wd);
close(fd);
continue;
}
fileMap[fd].insert(std::make_pair(wd, fs::path(line)));
}
}
}
SyncWatch::~SyncWatch()
{
for (const auto& fd : fileMap)
{
for (const auto& wd : fd.second)
{
inotify_rm_watch(fd.first, wd.first);
}
close(fd.first);
}
}
int SyncWatch::callback(sd_event_source* s, int fd, uint32_t revents,
void* userdata)
{
return 0;
}
} // namespace manager
} // namespace software
} // namespace phosphor
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