void startSharedProcess()
{
Configuration& conf = server_.configuration();
if (!Server::bindUDStoStdin(conf.runDirectory() + "/server-"
+ boost::lexical_cast<std::string>(getpid()),
server_))
exit(1);
try {
FCGIStream fcgiStream;
webMainInstance = webMain_ = new WebMain(&server_, &fcgiStream);
webMain_->run();
delete webMain_;
webMainInstance = webMain_ = 0;
} catch (std::exception& e) {
LOG_ERROR_S(&server_,
"fatal: shared session process: caught unhandled exception: "
<< e.what());
throw;
} catch (...) {
LOG_ERROR_S(&server_,
"fatal: shared session process: caught unknown, unhandled "
"exception.");
throw;
}
}
static ret_t
match (cherokee_rule_request_t *rule,
cherokee_connection_t *conn,
cherokee_config_entry_t *ret_conf)
{
int re;
ret_t ret;
cherokee_regex_table_t *regexs = CONN_SRV(conn)->regexs;
UNUSED(ret_conf);
/* Sanity checks
*/
if (unlikely (regexs == NULL)) {
LOG_ERROR_S (CHEROKEE_ERROR_RULE_REQUEST_NO_TABLE);
return ret_error;
}
if (unlikely (rule->pcre == NULL)) {
LOG_ERROR_S (CHEROKEE_ERROR_RULE_REQUEST_NO_PCRE_PTR);
return ret_error;
}
/* Build the request string
*/
if (! cherokee_buffer_is_empty (&conn->query_string)) {
cherokee_buffer_add_str (&conn->request, "?");
cherokee_buffer_add_buffer (&conn->request, &conn->query_string);
}
/* Evaluate the pcre
*/
re = pcre_exec (rule->pcre, NULL,
conn->request.buf,
conn->request.len,
0, 0,
conn->regex_ovector, OVECTOR_LEN);
if (re < 0) {
TRACE (ENTRIES, "Request \"%s\" didn't match with \"%s\"\n",
conn->request.buf, rule->pattern.buf);
ret = ret_not_found;
goto restore;
}
conn->regex_ovecsize = re;
TRACE (ENTRIES, "Request \"%s\" matches with \"%s\", ovecsize=%d\n",
conn->request.buf, rule->pattern.buf, conn->regex_ovecsize);
ret = ret_ok;
restore:
if (! cherokee_buffer_is_empty (&conn->query_string)) {
cherokee_buffer_drop_ending (&conn->request, conn->query_string.len + 1);
}
return ret;
}
void runSession()
{
Configuration& conf = server_.configuration();
if (!Server::bindUDStoStdin(conf.runDirectory() + "/" + sessionId_,
server_))
exit(1);
try {
FCGIStream fcgiStream;
webMainInstance = webMain_
= new WebMain(&server_, &fcgiStream, sessionId_);
webMain_->run();
sleep(1);
delete webMain_;
webMainInstance = webMain_ = 0;
} catch (std::exception& e) {
LOG_ERROR_S(&server_,
"fatal: dedicated session process for " << sessionId_ <<
": caught unhandled exception: " << e.what());
throw;
} catch (...) {
LOG_ERROR_S(&server_,
"fatal: dedicated session process for " << sessionId_ <<
": caught unkown, unhandled exception.");
throw;
}
}
bool WServer::start()
{
if (isRunning()) {
LOG_ERROR_S(this, "start(): server already started!");
return false;
}
LOG_INFO_S(this, "initializing " <<
(impl_->sessionId_.empty() ? "shared" : "dedicated") <<
" wtfcgi session process");
if (configuration().webSockets()) {
LOG_ERROR_S(this, "FastCGI does not support web-sockets, disabling");
configuration().setWebSockets(false);
}
configuration().setNeedReadBodyBeforeResponse(true);
if (signal(SIGTERM, Wt::handleSigTerm) == SIG_ERR)
LOG_ERROR_S(this, "cannot catch SIGTERM: signal(): " << strerror(errno));
if (signal(SIGUSR1, Wt::handleSigUsr1) == SIG_ERR)
LOG_ERROR_S(this, "cannot catch SIGUSR1: signal(): " << strerror(errno));
if (signal(SIGHUP, Wt::handleSigHup) == SIG_ERR)
LOG_ERROR_S(this, "cannot catch SIGHUP: signal(): " << strerror(errno));
webController_ = new Wt::WebController(*this, impl_->sessionId_, false);
impl_->run();
return false;
}
static ret_t
node_check (http2d_avl_generic_node_t *node)
{
cint_t left_height;
cint_t right_height;
cint_t balance;
http2d_avl_generic_node_t *tmp;
if (node == NULL)
return ret_ok;
if (node->left_child) {
tmp = node_prev (node);
if (tmp->right != node) {
LOG_ERROR_S (HTTP2D_ERROR_AVL_PREVIOUS);
return ret_error;
}
}
if (node->right_child) {
tmp = node_next (node);
if (tmp->left != node) {
LOG_ERROR_S (HTTP2D_ERROR_AVL_NEXT);
return ret_error;
}
}
left_height = 0;
right_height = 0;
if (node->left_child)
left_height = node_height (node->left);
if (node->right_child)
right_height = node_height (node->right);
balance = right_height - left_height;
if (balance != node->balance) {
LOG_ERROR_S (HTTP2D_ERROR_AVL_BALANCE);
return ret_error;
}
if (node->left_child)
node_check (node->left);
if (node->right_child)
node_check (node->right);
return ret_ok;
}
static ret_t
config_read_type (cherokee_config_node_t *config,
cherokee_logger_writer_types_t *type)
{
ret_t ret;
cherokee_buffer_t *tmp = NULL;
ret = cherokee_config_node_read (config, "type", &tmp);
if (ret != ret_ok) {
LOG_ERROR_S (CHEROKEE_ERROR_LOGGER_NO_WRITER);
return ret_error;
}
if (equal_buf_str (tmp, "syslog")) {
*type = cherokee_logger_writer_syslog;
} else if (equal_buf_str (tmp, "stderr")) {
*type = cherokee_logger_writer_stderr;
} else if (equal_buf_str (tmp, "file")) {
*type = cherokee_logger_writer_file;
} else if (equal_buf_str (tmp, "exec")) {
*type = cherokee_logger_writer_pipe;
} else {
LOG_CRITICAL (CHEROKEE_ERROR_LOGGER_WRITER_UNKNOWN, tmp->buf);
return ret_error;
}
return ret_ok;
}
void WServer::resume()
{
if (!isRunning()) {
LOG_ERROR_S(this, "resume(): server not yet started!");
return;
}
}
ret_t
cherokee_init (void)
{
ret_t ret;
if (_cherokee_init)
return ret_ok;
#ifdef _WIN32
init_win32();
#endif
/* Init the tracing facility
*/
cherokee_trace_init();
/* Init the bogotime mechanism
*/
cherokee_bogotime_init();
cherokee_bogotime_update();
/* Init threading stuff
*/
cherokee_threading_init();
/* Get the CPU number
*/
dcc_ncpus (&cherokee_cpu_number);
if (cherokee_cpu_number < 1) {
LOG_WARNING (CHEROKEE_ERROR_INIT_CPU_NUMBER, cherokee_cpu_number);
cherokee_cpu_number = 1;
}
/* Try to figure the L2 cache line size
*/
cherokee_cacheline_size_get (&cherokee_cacheline_size);
/* Get the file descriptor number limit
*/
ret = cherokee_sys_fdlimit_get (&cherokee_fdlimit);
if (ret < ret_ok) {
LOG_ERROR_S (CHEROKEE_ERROR_INIT_GET_FD_LIMIT);
return ret;
}
/* Temp directory
*/
ret = init_tmp_dir();
if (ret != ret_ok) {
return ret;
}
cherokee_admin_child = false;
cherokee_readable_errors = NULLB_NULL;
_cherokee_init = true;
return ret_ok;
}
void Server::expireSessions(boost::system::error_code ec)
{
if (!ec) {
wt_.expireSessions();
expireSessionsTimer_.expires_from_now(boost::posix_time::seconds(SESSION_EXPIRE_INTERVAL));
expireSessionsTimer_.async_wait(boost::bind(&Server::expireSessions, this,
asio::placeholders::error));
} else if (ec != asio::error::operation_aborted) {
LOG_ERROR_S(&wt_, "session expiration timer got an error: " << ec.message());
}
}
void Server::handleConnected(const boost::shared_ptr<asio::ip::tcp::socket>& socket,
const asio_error_code& err)
{
if (!err) {
boost::shared_ptr<std::string> buf(new std::string(
boost::lexical_cast<std::string>(tcp_acceptor_.local_endpoint().port())));
socket->async_send(asio::buffer(*buf),
boost::bind(&Server::handlePortSent, this, socket, err, buf));
} else {
LOG_ERROR_S(&wt_, "child process couldn't connect to parent to send listening port: " << err.message());
}
}
void Server::handlePortSent(const boost::shared_ptr<asio::ip::tcp::socket>& socket,
const asio_error_code& err, const boost::shared_ptr<std::string>& /*buf*/)
{
if (err) {
LOG_ERROR_S(&wt_, "child process couldn't send listening port: " << err.message());
}
boost::system::error_code ignored_ec;
if(socket.get()) {
socket->shutdown(boost::asio::ip::tcp::socket::shutdown_both, ignored_ec);
socket->close();
}
}
ret_t
cherokee_x_real_ip_configure (cherokee_x_real_ip_t *real_ip,
cherokee_config_node_t *config)
{
ret_t ret;
cherokee_config_node_t *subconf;
cherokee_config_node_read_bool (config, "x_real_ip_enabled", &real_ip->enabled);
cherokee_config_node_read_bool (config, "x_real_ip_access_all", &real_ip->access_all);
ret = cherokee_config_node_get (config, "x_real_ip_access", &subconf);
if (ret == ret_ok) {
ret = cherokee_config_node_read_list (subconf, NULL, add_access, real_ip);
if (ret != ret_ok) {
LOG_ERROR_S (CHEROKEE_ERROR_LOGGER_X_REAL_IP_PARSE);
return ret_error;
}
}
return ret_ok;
}
int WRun(int argc, char *argv[], ApplicationCreator createApplication)
{
try {
WServer server(argv[0], "");
try {
server.setServerConfiguration(argc, argv);
server.addEntryPoint(Application, createApplication);
server.start();
return 0;
} catch (std::exception& e) {
LOG_ERROR_S(&server, "fatal: " << e.what());
return 1;
}
} catch (Wt::WServer::Exception& e) {
LOG_ERROR("fatal: " << e.what());
return 1;
} catch (std::exception& e) {
LOG_ERROR("fatal exception: " << e.what());
return 1;
}
}
/* Methods implementation
*/
static ret_t
process_package (cherokee_handler_fcgi_t *hdl, cherokee_buffer_t *inbuf, cherokee_buffer_t *outbuf)
{
FCGI_Header *header;
cuint_t len;
char *data;
cuint_t type;
cuint_t id;
cuint_t padding;
/* Is there enough information?
*/
if (inbuf->len < sizeof(FCGI_Header))
return ret_ok;
/* At least there is a header
*/
header = (FCGI_Header *)inbuf->buf;
if (header->version != 1) {
cherokee_buffer_print_debug (inbuf, -1);
LOG_ERROR_S (CHEROKEE_ERROR_HANDLER_FCGI_VERSION);
return ret_error;
}
if (header->type != FCGI_STDERR &&
header->type != FCGI_STDOUT &&
header->type != FCGI_END_REQUEST) {
cherokee_buffer_print_debug (inbuf, -1);
LOG_ERROR_S (CHEROKEE_ERROR_HANDLER_FCGI_PARSING);
return ret_error;
}
/* Read the header
*/
type = header->type;
padding = header->paddingLength;
id = (header->requestIdB0 | (header->requestIdB1 << 8));
len = (header->contentLengthB0 | (header->contentLengthB1 << 8));
data = inbuf->buf + FCGI_HEADER_LEN;
/* printf ("have %d, hdr=%d exp_len=%d pad=%d\n", inbuf->len, FCGI_HEADER_LEN, len, padding); */
/* Is the package complete?
*/
if (len + padding > inbuf->len - FCGI_HEADER_LEN) {
/* printf ("Incomplete: %d < %d\n", len + padding, inbuf->len - FCGI_HEADER_LEN); */
return ret_ok;
}
/* It has received the full package content
*/
switch (type) {
case FCGI_STDERR:
/* printf ("READ:STDERR (%d): %s", len, data?data:""); */
LOG_ERROR (CHEROKEE_ERROR_HANDLER_FCGI_STDERR, data);
/* Debug mode */
if (SOURCE_INT(hdl->src_ref)->debug) {
PRINT_MSG ("%.*s\n", len, data);
}
break;
case FCGI_STDOUT:
/* printf ("READ:STDOUT eof=%d: %d", HDL_CGI_BASE(hdl)->got_eof, len); */
cherokee_buffer_add (outbuf, data, len);
break;
case FCGI_END_REQUEST:
/* printf ("READ:END"); */
HDL_CGI_BASE(hdl)->got_eof = true;
break;
default:
SHOULDNT_HAPPEN;
}
cherokee_buffer_move_to_begin (inbuf, len + FCGI_HEADER_LEN + padding);
/* printf ("- FCGI left %d\n", inbuf->len); */
return ret_eagain;
}
