void Repo::initCentral() {
std::vector<std::string> failPaths;
assert(m_dbc == nullptr);
// Try Repo.Central.Path (or HHVM_REPO_CENTRAL_PATH).
if (!RuntimeOption::RepoCentralPath.empty()) {
if (!openCentral(RuntimeOption::RepoCentralPath.c_str())) {
return;
}
failPaths.push_back(RuntimeOption::RepoCentralPath);
}
const char* HHVM_REPO_CENTRAL_PATH = getenv("HHVM_REPO_CENTRAL_PATH");
if (HHVM_REPO_CENTRAL_PATH != nullptr) {
if (!openCentral(HHVM_REPO_CENTRAL_PATH)) {
return;
}
failPaths.push_back(HHVM_REPO_CENTRAL_PATH);
}
// Try "$HOME/.hhvm.hhbc".
char* HOME = getenv("HOME");
if (HOME != nullptr) {
std::string centralPath = HOME;
centralPath += "/.hhvm.hhbc";
if (!openCentral(centralPath.c_str())) {
return;
}
failPaths.push_back(centralPath);
}
// Try the equivalent of "$HOME/.hhvm.hhbc", but look up the home directory
// in the password database.
{
struct passwd pwbuf;
struct passwd* pwbufp;
long bufsize = sysconf(_SC_GETPW_R_SIZE_MAX);
if (bufsize != -1) {
char buf[size_t(bufsize)];
if (!getpwuid_r(getuid(), &pwbuf, buf, size_t(bufsize), &pwbufp)
&& (HOME == nullptr || strcmp(HOME, pwbufp->pw_dir))) {
std::string centralPath = pwbufp->pw_dir;
centralPath += "/.hhvm.hhbc";
if (!openCentral(centralPath.c_str())) {
return;
}
failPaths.push_back(centralPath);
}
}
}
// Database initialization failed; this is an unrecoverable state.
for (std::vector<std::string>::const_iterator it = failPaths.begin();
it != failPaths.end(); ++it) {
Logger::Error("Failed to initialize central HHBC repository at '%s'",
(*it).c_str());
}
exit(1);
}
void Repo::initCentral() {
std::string error;
assert(m_dbc == nullptr);
auto tryPath = [this, &error](const char* path) {
std::string subErr;
if (!openCentral(path, subErr)) {
folly::format(&error, " {}\n", subErr.empty() ? path : subErr);
return false;
}
return true;
};
// Try Repo.Central.Path
if (!RuntimeOption::RepoCentralPath.empty()) {
if (tryPath(RuntimeOption::RepoCentralPath.c_str())) {
return;
}
}
// Try HHVM_REPO_CENTRAL_PATH
const char* HHVM_REPO_CENTRAL_PATH = getenv("HHVM_REPO_CENTRAL_PATH");
if (HHVM_REPO_CENTRAL_PATH != nullptr) {
if (tryPath(HHVM_REPO_CENTRAL_PATH)) {
return;
}
}
// Try "$HOME/.hhvm.hhbc".
char* HOME = getenv("HOME");
if (HOME != nullptr) {
std::string centralPath = HOME;
centralPath += "/.hhvm.hhbc";
if (tryPath(centralPath.c_str())) {
return;
}
}
#ifndef _WIN32
// Try the equivalent of "$HOME/.hhvm.hhbc", but look up the home directory
// in the password database.
{
struct passwd pwbuf;
struct passwd* pwbufp;
long bufsize = sysconf(_SC_GETPW_R_SIZE_MAX);
if (bufsize != -1) {
auto buf = new char[bufsize];
SCOPE_EXIT { delete[] buf; };
if (!getpwuid_r(getuid(), &pwbuf, buf, size_t(bufsize), &pwbufp)
&& (HOME == nullptr || strcmp(HOME, pwbufp->pw_dir))) {
std::string centralPath = pwbufp->pw_dir;
centralPath += "/.hhvm.hhbc";
if (tryPath(centralPath.c_str())) {
return;
}
}
}
}
void Repo::initCentral() {
std::string error;
assert(m_dbc == nullptr);
auto tryPath = [this, &error](const char* path) {
std::string subErr;
if (openCentral(path, subErr) == RepoStatus::error) {
folly::format(&error, " {}\n", subErr.empty() ? path : subErr);
return false;
}
return true;
};
auto fail_no_repo = [&error] {
error = "Failed to initialize central HHBC repository:\n" + error;
// Database initialization failed; this is an unrecoverable state.
Logger::Error("%s", error.c_str());
if (Process::IsInMainThread()) {
exit(1);
}
always_assert_flog(false, "{}", error);
};
// Try Repo.Central.Path
if (!RuntimeOption::RepoCentralPath.empty() &&
tryPath(RuntimeOption::RepoCentralPath.c_str())) {
return;
}
// Try HHVM_REPO_CENTRAL_PATH
const char* HHVM_REPO_CENTRAL_PATH = getenv("HHVM_REPO_CENTRAL_PATH");
if (HHVM_REPO_CENTRAL_PATH != nullptr &&
tryPath(HHVM_REPO_CENTRAL_PATH)) {
return;
}
if (!RuntimeOption::RepoAllowFallbackPath) fail_no_repo();
// Try "$HOME/.hhvm.hhbc".
char* HOME = getenv("HOME");
if (HOME != nullptr) {
std::string centralPath = HOME;
centralPath += "/.hhvm.hhbc";
if (tryPath(centralPath.c_str())) {
return;
}
}
#ifndef _WIN32
// Try the equivalent of "$HOME/.hhvm.hhbc", but look up the home directory
// in the password database.
{
passwd pwbuf;
passwd* pwbufp;
long bufsize = sysconf(_SC_GETPW_R_SIZE_MAX);
if (bufsize != -1) {
auto buf = new char[bufsize];
SCOPE_EXIT { delete[] buf; };
if (!getpwuid_r(getuid(), &pwbuf, buf, size_t(bufsize), &pwbufp)
&& (HOME == nullptr || strcmp(HOME, pwbufp->pw_dir))) {
std::string centralPath = pwbufp->pw_dir;
centralPath += "/.hhvm.hhbc";
if (tryPath(centralPath.c_str())) {
return;
}
}
}
}
void Repo::initCentral() {
std::vector<std::string> failPaths;
assert(m_dbc == nullptr);
// Try Repo.Central.Path (or HHVM_REPO_CENTRAL_PATH).
if (!RuntimeOption::RepoCentralPath.empty()) {
if (!openCentral(RuntimeOption::RepoCentralPath.c_str())) {
return;
}
failPaths.push_back(RuntimeOption::RepoCentralPath);
}
const char* HHVM_REPO_CENTRAL_PATH = getenv("HHVM_REPO_CENTRAL_PATH");
if (HHVM_REPO_CENTRAL_PATH != nullptr) {
if (!openCentral(HHVM_REPO_CENTRAL_PATH)) {
return;
}
failPaths.push_back(HHVM_REPO_CENTRAL_PATH);
}
// Try "$HOME/.hhvm.hhbc".
char* HOME = getenv("HOME");
if (HOME != nullptr) {
std::string centralPath = HOME;
centralPath += "/.hhvm.hhbc";
if (!openCentral(centralPath.c_str())) {
return;
}
failPaths.push_back(centralPath);
}
// Try the equivalent of "$HOME/.hhvm.hhbc", but look up the home directory
// in the password database.
{
struct passwd pwbuf;
struct passwd* pwbufp;
long bufsize = sysconf(_SC_GETPW_R_SIZE_MAX);
if (bufsize != -1) {
char buf[size_t(bufsize)];
if (!getpwuid_r(getuid(), &pwbuf, buf, size_t(bufsize), &pwbufp)
&& (HOME == nullptr || strcmp(HOME, pwbufp->pw_dir))) {
std::string centralPath = pwbufp->pw_dir;
centralPath += "/.hhvm.hhbc";
if (!openCentral(centralPath.c_str())) {
return;
}
failPaths.push_back(centralPath);
}
}
}
// Database initialization failed; this is an unrecoverable state.
for (auto const& p : failPaths) {
Logger::Error("Failed to initialize central HHBC repository at '%s'",
p.c_str());
}
// TODO(#3518905): this fails in practice sometimes if file
// descriptor limits are too low, which is why the assertion
// suggests that. But we should restructure this code so we know
// here why each failPath failed and can log the real reasons
// instead of guessing.
always_assert(!"Failed to connect to HHBC repo (possibly "
"out of file descriptors?); aborting");
}
