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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "crashreporter.h"
#include <algorithm>
#include <dirent.h>
#include <errno.h>
#include <sys/stat.h>
#include <unistd.h>
using namespace CrashReporter;
using std::string;
using std::vector;
using std::sort;
struct FileData
{
time_t timestamp;
string path;
};
static bool CompareFDTime(const FileData& fd1, const FileData& fd2)
{
return fd1.timestamp > fd2.timestamp;
}
void UIPruneSavedDumps(const std::string& directory)
{
DIR *dirfd = opendir(directory.c_str());
if (!dirfd)
return;
vector<FileData> dumpfiles;
while (dirent *dir = readdir(dirfd)) {
FileData fd;
fd.path = directory + '/' + dir->d_name;
if (fd.path.size() < 5)
continue;
if (fd.path.compare(fd.path.size() - 4, 4, ".dmp") != 0)
continue;
struct stat st;
if (stat(fd.path.c_str(), &st)) {
closedir(dirfd);
return;
}
fd.timestamp = st.st_mtime;
dumpfiles.push_back(fd);
}
sort(dumpfiles.begin(), dumpfiles.end(), CompareFDTime);
while (dumpfiles.size() > kSaveCount) {
// get the path of the oldest file
string path = dumpfiles[dumpfiles.size() - 1].path;
UIDeleteFile(path.c_str());
// s/.dmp/.extra/
path.replace(path.size() - 4, 4, ".extra");
UIDeleteFile(path.c_str());
dumpfiles.pop_back();
}
}
void UIRunMinidumpAnalyzer(const string& exename, const string& filename)
{
// Run the minidump analyzer and wait for it to finish
pid_t pid = fork();
if (pid == -1) {
return; // Nothing to do upon failure
} else if (pid == 0) {
execl(exename.c_str(), exename.c_str(), filename.c_str(), nullptr);
} else {
waitpid(pid, nullptr, 0);
}
}
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