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2427 lines
57 KiB
2427 lines
57 KiB
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include <node.h>
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#include <v8-debug.h>
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#include <node_dtrace.h>
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#include <locale.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <string.h>
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#include <limits.h> /* PATH_MAX */
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#include <assert.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <unistd.h> /* setuid, getuid */
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#ifdef __MINGW32__
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# include <platform_win32.h> /* winapi_perror() */
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# include <platform_win32_winsock.h> /* wsa_init() */
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#endif
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#ifdef __POSIX__
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# include <dlfcn.h> /* dlopen(), dlsym() */
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# include <pwd.h> /* getpwnam() */
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# include <grp.h> /* getgrnam() */
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#endif
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#include <platform.h>
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#include <node_buffer.h>
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#include <node_io_watcher.h>
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#include <node_net.h>
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#include <node_events.h>
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#include <node_cares.h>
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#include <node_file.h>
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#if 0
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// not in use
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# include <node_idle_watcher.h>
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#endif
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#include <node_http_parser.h>
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#include <node_signal_watcher.h>
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#include <node_stat_watcher.h>
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#include <node_timer.h>
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#include <node_child_process.h>
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#include <node_constants.h>
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#include <node_stdio.h>
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#include <node_javascript.h>
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#include <node_version.h>
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#include <node_string.h>
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#ifdef HAVE_OPENSSL
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# include <node_crypto.h>
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#endif
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#include <node_script.h>
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
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using namespace v8;
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# ifdef __APPLE__
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# include <crt_externs.h>
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# define environ (*_NSGetEnviron())
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# else
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extern char **environ;
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# endif
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namespace node {
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static Persistent<Object> process;
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static Persistent<String> errno_symbol;
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static Persistent<String> syscall_symbol;
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static Persistent<String> errpath_symbol;
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static Persistent<String> code_symbol;
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static Persistent<String> rss_symbol;
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static Persistent<String> vsize_symbol;
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static Persistent<String> heap_total_symbol;
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static Persistent<String> heap_used_symbol;
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static Persistent<String> listeners_symbol;
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static Persistent<String> uncaught_exception_symbol;
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static Persistent<String> emit_symbol;
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static char *eval_string = NULL;
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static int option_end_index = 0;
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static bool use_debug_agent = false;
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static bool debug_wait_connect = false;
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static int debug_port=5858;
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static int max_stack_size = 0;
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static ev_check check_tick_watcher;
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static ev_prepare prepare_tick_watcher;
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static ev_idle tick_spinner;
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static bool need_tick_cb;
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static Persistent<String> tick_callback_sym;
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static ev_async eio_want_poll_notifier;
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static ev_async eio_done_poll_notifier;
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static ev_idle eio_poller;
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// Buffer for getpwnam_r(), getgrpam_r() and other misc callers; keep this
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// scoped at file-level rather than method-level to avoid excess stack usage.
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static char getbuf[PATH_MAX + 1];
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// We need to notify V8 when we're idle so that it can run the garbage
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// collector. The interface to this is V8::IdleNotification(). It returns
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// true if the heap hasn't be fully compacted, and needs to be run again.
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// Returning false means that it doesn't have anymore work to do.
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//
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// A rather convoluted algorithm has been devised to determine when Node is
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// idle. You'll have to figure it out for yourself.
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static ev_check gc_check;
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static ev_idle gc_idle;
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static ev_timer gc_timer;
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bool need_gc;
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#define FAST_TICK 0.7
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#define GC_WAIT_TIME 5.
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#define RPM_SAMPLES 100
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#define TICK_TIME(n) tick_times[(tick_time_head - (n)) % RPM_SAMPLES]
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static ev_tstamp tick_times[RPM_SAMPLES];
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static int tick_time_head;
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static void StartGCTimer () {
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if (!ev_is_active(&gc_timer)) {
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ev_timer_start(EV_DEFAULT_UC_ &gc_timer);
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ev_unref(EV_DEFAULT_UC);
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}
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}
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static void StopGCTimer () {
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if (ev_is_active(&gc_timer)) {
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ev_ref(EV_DEFAULT_UC);
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ev_timer_stop(EV_DEFAULT_UC_ &gc_timer);
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}
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}
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static void Idle(EV_P_ ev_idle *watcher, int revents) {
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assert(watcher == &gc_idle);
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assert(revents == EV_IDLE);
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//fprintf(stderr, "idle\n");
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if (V8::IdleNotification()) {
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ev_idle_stop(EV_A_ watcher);
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StopGCTimer();
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}
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}
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// Called directly after every call to select() (or epoll, or whatever)
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static void Check(EV_P_ ev_check *watcher, int revents) {
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assert(watcher == &gc_check);
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assert(revents == EV_CHECK);
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tick_times[tick_time_head] = ev_now(EV_DEFAULT_UC);
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tick_time_head = (tick_time_head + 1) % RPM_SAMPLES;
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StartGCTimer();
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for (int i = 0; i < (int)(GC_WAIT_TIME/FAST_TICK); i++) {
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double d = TICK_TIME(i+1) - TICK_TIME(i+2);
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//printf("d = %f\n", d);
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// If in the last 5 ticks the difference between
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// ticks was less than 0.7 seconds, then continue.
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if (d < FAST_TICK) {
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//printf("---\n");
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return;
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}
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}
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// Otherwise start the gc!
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//fprintf(stderr, "start idle 2\n");
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ev_idle_start(EV_A_ &gc_idle);
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}
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static Handle<Value> NeedTickCallback(const Arguments& args) {
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HandleScope scope;
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need_tick_cb = true;
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// TODO: this tick_spinner shouldn't be necessary. An ev_prepare should be
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// sufficent, the problem is only in the case of the very last "tick" -
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// there is nothing left to do in the event loop and libev will exit. The
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// ev_prepare callback isn't called before exiting. Thus we start this
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// tick_spinner to keep the event loop alive long enough to handle it.
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ev_idle_start(EV_DEFAULT_UC_ &tick_spinner);
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return Undefined();
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}
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static void Spin(EV_P_ ev_idle *watcher, int revents) {
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assert(watcher == &tick_spinner);
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assert(revents == EV_IDLE);
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}
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static void Tick(void) {
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// Avoid entering a V8 scope.
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if (!need_tick_cb) return;
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need_tick_cb = false;
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ev_idle_stop(EV_DEFAULT_UC_ &tick_spinner);
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HandleScope scope;
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if (tick_callback_sym.IsEmpty()) {
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// Lazily set the symbol
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tick_callback_sym =
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Persistent<String>::New(String::NewSymbol("_tickCallback"));
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}
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Local<Value> cb_v = process->Get(tick_callback_sym);
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if (!cb_v->IsFunction()) return;
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Local<Function> cb = Local<Function>::Cast(cb_v);
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TryCatch try_catch;
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cb->Call(process, 0, NULL);
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if (try_catch.HasCaught()) {
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FatalException(try_catch);
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}
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}
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static void PrepareTick(EV_P_ ev_prepare *watcher, int revents) {
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assert(watcher == &prepare_tick_watcher);
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assert(revents == EV_PREPARE);
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Tick();
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}
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static void CheckTick(EV_P_ ev_check *watcher, int revents) {
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assert(watcher == &check_tick_watcher);
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assert(revents == EV_CHECK);
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Tick();
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}
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static void DoPoll(EV_P_ ev_idle *watcher, int revents) {
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assert(watcher == &eio_poller);
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assert(revents == EV_IDLE);
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//printf("eio_poller\n");
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if (eio_poll() != -1) {
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//printf("eio_poller stop\n");
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ev_idle_stop(EV_DEFAULT_UC_ watcher);
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}
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}
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// Called from the main thread.
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static void WantPollNotifier(EV_P_ ev_async *watcher, int revents) {
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assert(watcher == &eio_want_poll_notifier);
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assert(revents == EV_ASYNC);
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//printf("want poll notifier\n");
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if (eio_poll() == -1) {
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//printf("eio_poller start\n");
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ev_idle_start(EV_DEFAULT_UC_ &eio_poller);
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}
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}
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static void DonePollNotifier(EV_P_ ev_async *watcher, int revents) {
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assert(watcher == &eio_done_poll_notifier);
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assert(revents == EV_ASYNC);
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//printf("done poll notifier\n");
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if (eio_poll() != -1) {
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//printf("eio_poller stop\n");
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ev_idle_stop(EV_DEFAULT_UC_ &eio_poller);
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}
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}
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// EIOWantPoll() is called from the EIO thread pool each time an EIO
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// request (that is, one of the node.fs.* functions) has completed.
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static void EIOWantPoll(void) {
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// Signal the main thread that eio_poll need to be processed.
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ev_async_send(EV_DEFAULT_UC_ &eio_want_poll_notifier);
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}
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static void EIODonePoll(void) {
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// Signal the main thread that we should stop calling eio_poll().
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// from the idle watcher.
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ev_async_send(EV_DEFAULT_UC_ &eio_done_poll_notifier);
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}
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static inline const char *errno_string(int errorno) {
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#define ERRNO_CASE(e) case e: return #e;
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switch (errorno) {
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#ifdef EACCES
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ERRNO_CASE(EACCES);
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#endif
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#ifdef EADDRINUSE
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ERRNO_CASE(EADDRINUSE);
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#endif
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#ifdef EADDRNOTAVAIL
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ERRNO_CASE(EADDRNOTAVAIL);
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#endif
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#ifdef EAFNOSUPPORT
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ERRNO_CASE(EAFNOSUPPORT);
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#endif
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#ifdef EAGAIN
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ERRNO_CASE(EAGAIN);
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#endif
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#ifdef EWOULDBLOCK
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# if EAGAIN != EWOULDBLOCK
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ERRNO_CASE(EWOULDBLOCK);
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# endif
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#endif
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#ifdef EALREADY
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ERRNO_CASE(EALREADY);
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#endif
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#ifdef EBADF
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ERRNO_CASE(EBADF);
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#endif
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#ifdef EBADMSG
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ERRNO_CASE(EBADMSG);
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#endif
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#ifdef EBUSY
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ERRNO_CASE(EBUSY);
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#endif
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#ifdef ECANCELED
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ERRNO_CASE(ECANCELED);
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#endif
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#ifdef ECHILD
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ERRNO_CASE(ECHILD);
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#endif
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#ifdef ECONNABORTED
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ERRNO_CASE(ECONNABORTED);
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#endif
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#ifdef ECONNREFUSED
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ERRNO_CASE(ECONNREFUSED);
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#endif
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#ifdef ECONNRESET
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ERRNO_CASE(ECONNRESET);
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#endif
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#ifdef EDEADLK
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ERRNO_CASE(EDEADLK);
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#endif
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#ifdef EDESTADDRREQ
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ERRNO_CASE(EDESTADDRREQ);
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#endif
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#ifdef EDOM
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ERRNO_CASE(EDOM);
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#endif
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#ifdef EDQUOT
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ERRNO_CASE(EDQUOT);
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#endif
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#ifdef EEXIST
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ERRNO_CASE(EEXIST);
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#endif
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#ifdef EFAULT
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ERRNO_CASE(EFAULT);
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#endif
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#ifdef EFBIG
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ERRNO_CASE(EFBIG);
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#endif
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#ifdef EHOSTUNREACH
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ERRNO_CASE(EHOSTUNREACH);
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#endif
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#ifdef EIDRM
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ERRNO_CASE(EIDRM);
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#endif
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#ifdef EILSEQ
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ERRNO_CASE(EILSEQ);
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#endif
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#ifdef EINPROGRESS
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ERRNO_CASE(EINPROGRESS);
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#endif
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#ifdef EINTR
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ERRNO_CASE(EINTR);
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#endif
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#ifdef EINVAL
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ERRNO_CASE(EINVAL);
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#endif
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#ifdef EIO
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ERRNO_CASE(EIO);
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#endif
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#ifdef EISCONN
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ERRNO_CASE(EISCONN);
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#endif
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#ifdef EISDIR
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ERRNO_CASE(EISDIR);
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#endif
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#ifdef ELOOP
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ERRNO_CASE(ELOOP);
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#endif
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#ifdef EMFILE
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ERRNO_CASE(EMFILE);
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#endif
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#ifdef EMLINK
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ERRNO_CASE(EMLINK);
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#endif
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#ifdef EMSGSIZE
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ERRNO_CASE(EMSGSIZE);
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#endif
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#ifdef EMULTIHOP
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ERRNO_CASE(EMULTIHOP);
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#endif
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#ifdef ENAMETOOLONG
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ERRNO_CASE(ENAMETOOLONG);
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#endif
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#ifdef ENETDOWN
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ERRNO_CASE(ENETDOWN);
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#endif
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#ifdef ENETRESET
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ERRNO_CASE(ENETRESET);
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|
#endif
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#ifdef ENETUNREACH
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ERRNO_CASE(ENETUNREACH);
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#endif
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#ifdef ENFILE
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ERRNO_CASE(ENFILE);
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#endif
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#ifdef ENOBUFS
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ERRNO_CASE(ENOBUFS);
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#endif
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#ifdef ENODATA
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ERRNO_CASE(ENODATA);
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#endif
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#ifdef ENODEV
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ERRNO_CASE(ENODEV);
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#endif
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#ifdef ENOENT
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ERRNO_CASE(ENOENT);
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#endif
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#ifdef ENOEXEC
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ERRNO_CASE(ENOEXEC);
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#endif
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#ifdef ENOLINK
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ERRNO_CASE(ENOLINK);
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#endif
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#ifdef ENOLCK
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# if ENOLINK != ENOLCK
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ERRNO_CASE(ENOLCK);
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|
# endif
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#endif
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#ifdef ENOMEM
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ERRNO_CASE(ENOMEM);
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|
#endif
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#ifdef ENOMSG
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ERRNO_CASE(ENOMSG);
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|
#endif
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#ifdef ENOPROTOOPT
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ERRNO_CASE(ENOPROTOOPT);
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#endif
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#ifdef ENOSPC
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ERRNO_CASE(ENOSPC);
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#endif
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#ifdef ENOSR
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ERRNO_CASE(ENOSR);
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#endif
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#ifdef ENOSTR
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ERRNO_CASE(ENOSTR);
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#endif
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#ifdef ENOSYS
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ERRNO_CASE(ENOSYS);
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#endif
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#ifdef ENOTCONN
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ERRNO_CASE(ENOTCONN);
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#endif
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#ifdef ENOTDIR
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|
ERRNO_CASE(ENOTDIR);
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|
#endif
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#ifdef ENOTEMPTY
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|
ERRNO_CASE(ENOTEMPTY);
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|
#endif
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|
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#ifdef ENOTSOCK
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|
ERRNO_CASE(ENOTSOCK);
|
|
#endif
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#ifdef ENOTSUP
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ERRNO_CASE(ENOTSUP);
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|
#else
|
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# ifdef EOPNOTSUPP
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ERRNO_CASE(EOPNOTSUPP);
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# endif
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#endif
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#ifdef ENOTTY
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ERRNO_CASE(ENOTTY);
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|
#endif
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|
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#ifdef ENXIO
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ERRNO_CASE(ENXIO);
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|
#endif
|
|
|
|
|
|
#ifdef EOVERFLOW
|
|
ERRNO_CASE(EOVERFLOW);
|
|
#endif
|
|
|
|
#ifdef EPERM
|
|
ERRNO_CASE(EPERM);
|
|
#endif
|
|
|
|
#ifdef EPIPE
|
|
ERRNO_CASE(EPIPE);
|
|
#endif
|
|
|
|
#ifdef EPROTO
|
|
ERRNO_CASE(EPROTO);
|
|
#endif
|
|
|
|
#ifdef EPROTONOSUPPORT
|
|
ERRNO_CASE(EPROTONOSUPPORT);
|
|
#endif
|
|
|
|
#ifdef EPROTOTYPE
|
|
ERRNO_CASE(EPROTOTYPE);
|
|
#endif
|
|
|
|
#ifdef ERANGE
|
|
ERRNO_CASE(ERANGE);
|
|
#endif
|
|
|
|
#ifdef EROFS
|
|
ERRNO_CASE(EROFS);
|
|
#endif
|
|
|
|
#ifdef ESPIPE
|
|
ERRNO_CASE(ESPIPE);
|
|
#endif
|
|
|
|
#ifdef ESRCH
|
|
ERRNO_CASE(ESRCH);
|
|
#endif
|
|
|
|
#ifdef ESTALE
|
|
ERRNO_CASE(ESTALE);
|
|
#endif
|
|
|
|
#ifdef ETIME
|
|
ERRNO_CASE(ETIME);
|
|
#endif
|
|
|
|
#ifdef ETIMEDOUT
|
|
ERRNO_CASE(ETIMEDOUT);
|
|
#endif
|
|
|
|
#ifdef ETXTBSY
|
|
ERRNO_CASE(ETXTBSY);
|
|
#endif
|
|
|
|
#ifdef EXDEV
|
|
ERRNO_CASE(EXDEV);
|
|
#endif
|
|
|
|
#ifdef WSAEINTR
|
|
ERRNO_CASE(WSAEINTR);
|
|
#endif
|
|
|
|
#ifdef WSAEBADF
|
|
ERRNO_CASE(WSAEBADF);
|
|
#endif
|
|
|
|
#ifdef WSAEACCES
|
|
ERRNO_CASE(WSAEACCES);
|
|
#endif
|
|
|
|
#ifdef WSAEFAULT
|
|
ERRNO_CASE(WSAEFAULT);
|
|
#endif
|
|
|
|
#ifdef WSAEINVAL
|
|
ERRNO_CASE(WSAEINVAL);
|
|
#endif
|
|
|
|
#ifdef WSAEMFILE
|
|
ERRNO_CASE(WSAEMFILE);
|
|
#endif
|
|
|
|
#ifdef WSAEWOULDBLOCK
|
|
ERRNO_CASE(WSAEWOULDBLOCK);
|
|
#endif
|
|
|
|
#ifdef WSAEINPROGRESS
|
|
ERRNO_CASE(WSAEINPROGRESS);
|
|
#endif
|
|
|
|
#ifdef WSAEALREADY
|
|
ERRNO_CASE(WSAEALREADY);
|
|
#endif
|
|
|
|
#ifdef WSAENOTSOCK
|
|
ERRNO_CASE(WSAENOTSOCK);
|
|
#endif
|
|
|
|
#ifdef WSAEDESTADDRREQ
|
|
ERRNO_CASE(WSAEDESTADDRREQ);
|
|
#endif
|
|
|
|
#ifdef WSAEMSGSIZE
|
|
ERRNO_CASE(WSAEMSGSIZE);
|
|
#endif
|
|
|
|
#ifdef WSAEPROTOTYPE
|
|
ERRNO_CASE(WSAEPROTOTYPE);
|
|
#endif
|
|
|
|
#ifdef WSAENOPROTOOPT
|
|
ERRNO_CASE(WSAENOPROTOOPT);
|
|
#endif
|
|
|
|
#ifdef WSAEPROTONOSUPPORT
|
|
ERRNO_CASE(WSAEPROTONOSUPPORT);
|
|
#endif
|
|
|
|
#ifdef WSAESOCKTNOSUPPORT
|
|
ERRNO_CASE(WSAESOCKTNOSUPPORT);
|
|
#endif
|
|
|
|
#ifdef WSAEOPNOTSUPP
|
|
ERRNO_CASE(WSAEOPNOTSUPP);
|
|
#endif
|
|
|
|
#ifdef WSAEPFNOSUPPORT
|
|
ERRNO_CASE(WSAEPFNOSUPPORT);
|
|
#endif
|
|
|
|
#ifdef WSAEAFNOSUPPORT
|
|
ERRNO_CASE(WSAEAFNOSUPPORT);
|
|
#endif
|
|
|
|
#ifdef WSAEADDRINUSE
|
|
ERRNO_CASE(WSAEADDRINUSE);
|
|
#endif
|
|
|
|
#ifdef WSAEADDRNOTAVAIL
|
|
ERRNO_CASE(WSAEADDRNOTAVAIL);
|
|
#endif
|
|
|
|
#ifdef WSAENETDOWN
|
|
ERRNO_CASE(WSAENETDOWN);
|
|
#endif
|
|
|
|
#ifdef WSAENETUNREACH
|
|
ERRNO_CASE(WSAENETUNREACH);
|
|
#endif
|
|
|
|
#ifdef WSAENETRESET
|
|
ERRNO_CASE(WSAENETRESET);
|
|
#endif
|
|
|
|
#ifdef WSAECONNABORTED
|
|
ERRNO_CASE(WSAECONNABORTED);
|
|
#endif
|
|
|
|
#ifdef WSAECONNRESET
|
|
ERRNO_CASE(WSAECONNRESET);
|
|
#endif
|
|
|
|
#ifdef WSAENOBUFS
|
|
ERRNO_CASE(WSAENOBUFS);
|
|
#endif
|
|
|
|
#ifdef WSAEISCONN
|
|
ERRNO_CASE(WSAEISCONN);
|
|
#endif
|
|
|
|
#ifdef WSAENOTCONN
|
|
ERRNO_CASE(WSAENOTCONN);
|
|
#endif
|
|
|
|
#ifdef WSAESHUTDOWN
|
|
ERRNO_CASE(WSAESHUTDOWN);
|
|
#endif
|
|
|
|
#ifdef WSAETOOMANYREFS
|
|
ERRNO_CASE(WSAETOOMANYREFS);
|
|
#endif
|
|
|
|
#ifdef WSAETIMEDOUT
|
|
ERRNO_CASE(WSAETIMEDOUT);
|
|
#endif
|
|
|
|
#ifdef WSAECONNREFUSED
|
|
ERRNO_CASE(WSAECONNREFUSED);
|
|
#endif
|
|
|
|
#ifdef WSAELOOP
|
|
ERRNO_CASE(WSAELOOP);
|
|
#endif
|
|
|
|
#ifdef WSAENAMETOOLONG
|
|
ERRNO_CASE(WSAENAMETOOLONG);
|
|
#endif
|
|
|
|
#ifdef WSAEHOSTDOWN
|
|
ERRNO_CASE(WSAEHOSTDOWN);
|
|
#endif
|
|
|
|
#ifdef WSAEHOSTUNREACH
|
|
ERRNO_CASE(WSAEHOSTUNREACH);
|
|
#endif
|
|
|
|
#ifdef WSAENOTEMPTY
|
|
ERRNO_CASE(WSAENOTEMPTY);
|
|
#endif
|
|
|
|
#ifdef WSAEPROCLIM
|
|
ERRNO_CASE(WSAEPROCLIM);
|
|
#endif
|
|
|
|
#ifdef WSAEUSERS
|
|
ERRNO_CASE(WSAEUSERS);
|
|
#endif
|
|
|
|
#ifdef WSAEDQUOT
|
|
ERRNO_CASE(WSAEDQUOT);
|
|
#endif
|
|
|
|
#ifdef WSAESTALE
|
|
ERRNO_CASE(WSAESTALE);
|
|
#endif
|
|
|
|
#ifdef WSAEREMOTE
|
|
ERRNO_CASE(WSAEREMOTE);
|
|
#endif
|
|
|
|
#ifdef WSASYSNOTREADY
|
|
ERRNO_CASE(WSASYSNOTREADY);
|
|
#endif
|
|
|
|
#ifdef WSAVERNOTSUPPORTED
|
|
ERRNO_CASE(WSAVERNOTSUPPORTED);
|
|
#endif
|
|
|
|
#ifdef WSANOTINITIALISED
|
|
ERRNO_CASE(WSANOTINITIALISED);
|
|
#endif
|
|
|
|
#ifdef WSAEDISCON
|
|
ERRNO_CASE(WSAEDISCON);
|
|
#endif
|
|
|
|
#ifdef WSAENOMORE
|
|
ERRNO_CASE(WSAENOMORE);
|
|
#endif
|
|
|
|
#ifdef WSAECANCELLED
|
|
ERRNO_CASE(WSAECANCELLED);
|
|
#endif
|
|
|
|
#ifdef WSAEINVALIDPROCTABLE
|
|
ERRNO_CASE(WSAEINVALIDPROCTABLE);
|
|
#endif
|
|
|
|
#ifdef WSAEINVALIDPROVIDER
|
|
ERRNO_CASE(WSAEINVALIDPROVIDER);
|
|
#endif
|
|
|
|
#ifdef WSAEPROVIDERFAILEDINIT
|
|
ERRNO_CASE(WSAEPROVIDERFAILEDINIT);
|
|
#endif
|
|
|
|
#ifdef WSASYSCALLFAILURE
|
|
ERRNO_CASE(WSASYSCALLFAILURE);
|
|
#endif
|
|
|
|
#ifdef WSASERVICE_NOT_FOUND
|
|
ERRNO_CASE(WSASERVICE_NOT_FOUND);
|
|
#endif
|
|
|
|
#ifdef WSATYPE_NOT_FOUND
|
|
ERRNO_CASE(WSATYPE_NOT_FOUND);
|
|
#endif
|
|
|
|
#ifdef WSA_E_NO_MORE
|
|
ERRNO_CASE(WSA_E_NO_MORE);
|
|
#endif
|
|
|
|
#ifdef WSA_E_CANCELLED
|
|
ERRNO_CASE(WSA_E_CANCELLED);
|
|
#endif
|
|
|
|
default: return "";
|
|
}
|
|
}
|
|
|
|
const char *signo_string(int signo) {
|
|
#define SIGNO_CASE(e) case e: return #e;
|
|
switch (signo) {
|
|
|
|
#ifdef SIGHUP
|
|
SIGNO_CASE(SIGHUP);
|
|
#endif
|
|
|
|
#ifdef SIGINT
|
|
SIGNO_CASE(SIGINT);
|
|
#endif
|
|
|
|
#ifdef SIGQUIT
|
|
SIGNO_CASE(SIGQUIT);
|
|
#endif
|
|
|
|
#ifdef SIGILL
|
|
SIGNO_CASE(SIGILL);
|
|
#endif
|
|
|
|
#ifdef SIGTRAP
|
|
SIGNO_CASE(SIGTRAP);
|
|
#endif
|
|
|
|
#ifdef SIGABRT
|
|
SIGNO_CASE(SIGABRT);
|
|
#endif
|
|
|
|
#ifdef SIGIOT
|
|
# if SIGABRT != SIGIOT
|
|
SIGNO_CASE(SIGIOT);
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef SIGBUS
|
|
SIGNO_CASE(SIGBUS);
|
|
#endif
|
|
|
|
#ifdef SIGFPE
|
|
SIGNO_CASE(SIGFPE);
|
|
#endif
|
|
|
|
#ifdef SIGKILL
|
|
SIGNO_CASE(SIGKILL);
|
|
#endif
|
|
|
|
#ifdef SIGUSR1
|
|
SIGNO_CASE(SIGUSR1);
|
|
#endif
|
|
|
|
#ifdef SIGSEGV
|
|
SIGNO_CASE(SIGSEGV);
|
|
#endif
|
|
|
|
#ifdef SIGUSR2
|
|
SIGNO_CASE(SIGUSR2);
|
|
#endif
|
|
|
|
#ifdef SIGPIPE
|
|
SIGNO_CASE(SIGPIPE);
|
|
#endif
|
|
|
|
#ifdef SIGALRM
|
|
SIGNO_CASE(SIGALRM);
|
|
#endif
|
|
|
|
SIGNO_CASE(SIGTERM);
|
|
|
|
#ifdef SIGCHLD
|
|
SIGNO_CASE(SIGCHLD);
|
|
#endif
|
|
|
|
#ifdef SIGSTKFLT
|
|
SIGNO_CASE(SIGSTKFLT);
|
|
#endif
|
|
|
|
|
|
#ifdef SIGCONT
|
|
SIGNO_CASE(SIGCONT);
|
|
#endif
|
|
|
|
#ifdef SIGSTOP
|
|
SIGNO_CASE(SIGSTOP);
|
|
#endif
|
|
|
|
#ifdef SIGTSTP
|
|
SIGNO_CASE(SIGTSTP);
|
|
#endif
|
|
|
|
#ifdef SIGTTIN
|
|
SIGNO_CASE(SIGTTIN);
|
|
#endif
|
|
|
|
#ifdef SIGTTOU
|
|
SIGNO_CASE(SIGTTOU);
|
|
#endif
|
|
|
|
#ifdef SIGURG
|
|
SIGNO_CASE(SIGURG);
|
|
#endif
|
|
|
|
#ifdef SIGXCPU
|
|
SIGNO_CASE(SIGXCPU);
|
|
#endif
|
|
|
|
#ifdef SIGXFSZ
|
|
SIGNO_CASE(SIGXFSZ);
|
|
#endif
|
|
|
|
#ifdef SIGVTALRM
|
|
SIGNO_CASE(SIGVTALRM);
|
|
#endif
|
|
|
|
#ifdef SIGPROF
|
|
SIGNO_CASE(SIGPROF);
|
|
#endif
|
|
|
|
#ifdef SIGWINCH
|
|
SIGNO_CASE(SIGWINCH);
|
|
#endif
|
|
|
|
#ifdef SIGIO
|
|
SIGNO_CASE(SIGIO);
|
|
#endif
|
|
|
|
#ifdef SIGPOLL
|
|
# if SIGPOLL != SIGIO
|
|
SIGNO_CASE(SIGPOLL);
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef SIGLOST
|
|
SIGNO_CASE(SIGLOST);
|
|
#endif
|
|
|
|
#ifdef SIGPWR
|
|
# if SIGPWR != SIGLOST
|
|
SIGNO_CASE(SIGPWR);
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef SIGSYS
|
|
SIGNO_CASE(SIGSYS);
|
|
#endif
|
|
|
|
default: return "";
|
|
}
|
|
}
|
|
|
|
|
|
Local<Value> ErrnoException(int errorno,
|
|
const char *syscall,
|
|
const char *msg,
|
|
const char *path) {
|
|
Local<Value> e;
|
|
Local<String> estring = String::NewSymbol(errno_string(errorno));
|
|
if (!msg[0]) {
|
|
#ifdef __POSIX__
|
|
msg = strerror(errorno);
|
|
#else // __MINGW32__
|
|
msg = winapi_strerror(errorno);
|
|
#endif
|
|
}
|
|
Local<String> message = String::NewSymbol(msg);
|
|
|
|
Local<String> cons1 = String::Concat(estring, String::NewSymbol(", "));
|
|
Local<String> cons2 = String::Concat(cons1, message);
|
|
|
|
if (errno_symbol.IsEmpty()) {
|
|
syscall_symbol = NODE_PSYMBOL("syscall");
|
|
errno_symbol = NODE_PSYMBOL("errno");
|
|
errpath_symbol = NODE_PSYMBOL("path");
|
|
code_symbol = NODE_PSYMBOL("code");
|
|
}
|
|
|
|
if (path) {
|
|
Local<String> cons3 = String::Concat(cons2, String::NewSymbol(" '"));
|
|
Local<String> cons4 = String::Concat(cons3, String::New(path));
|
|
Local<String> cons5 = String::Concat(cons4, String::NewSymbol("'"));
|
|
e = Exception::Error(cons5);
|
|
} else {
|
|
e = Exception::Error(cons2);
|
|
}
|
|
|
|
Local<Object> obj = e->ToObject();
|
|
|
|
obj->Set(errno_symbol, Integer::New(errorno));
|
|
obj->Set(code_symbol, estring);
|
|
if (path) obj->Set(errpath_symbol, String::New(path));
|
|
if (syscall) obj->Set(syscall_symbol, String::NewSymbol(syscall));
|
|
return e;
|
|
}
|
|
|
|
|
|
Handle<Value> FromConstructorTemplate(Persistent<FunctionTemplate>& t,
|
|
const Arguments& args) {
|
|
HandleScope scope;
|
|
|
|
const int argc = args.Length();
|
|
Local<Value>* argv = new Local<Value>[argc];
|
|
|
|
for (int i = 0; i < argc; ++i) {
|
|
argv[i] = args[i];
|
|
}
|
|
|
|
Local<Object> instance = t->GetFunction()->NewInstance(argc, argv);
|
|
|
|
delete[] argv;
|
|
|
|
return scope.Close(instance);
|
|
}
|
|
|
|
|
|
enum encoding ParseEncoding(Handle<Value> encoding_v, enum encoding _default) {
|
|
HandleScope scope;
|
|
|
|
if (!encoding_v->IsString()) return _default;
|
|
|
|
String::Utf8Value encoding(encoding_v->ToString());
|
|
|
|
if (strcasecmp(*encoding, "utf8") == 0) {
|
|
return UTF8;
|
|
} else if (strcasecmp(*encoding, "utf-8") == 0) {
|
|
return UTF8;
|
|
} else if (strcasecmp(*encoding, "ascii") == 0) {
|
|
return ASCII;
|
|
} else if (strcasecmp(*encoding, "base64") == 0) {
|
|
return BASE64;
|
|
} else if (strcasecmp(*encoding, "ucs2") == 0) {
|
|
return UCS2;
|
|
} else if (strcasecmp(*encoding, "ucs-2") == 0) {
|
|
return UCS2;
|
|
} else if (strcasecmp(*encoding, "binary") == 0) {
|
|
return BINARY;
|
|
} else if (strcasecmp(*encoding, "raw") == 0) {
|
|
fprintf(stderr, "'raw' (array of integers) has been removed. "
|
|
"Use 'binary'.\n");
|
|
return BINARY;
|
|
} else if (strcasecmp(*encoding, "raws") == 0) {
|
|
fprintf(stderr, "'raws' encoding has been renamed to 'binary'. "
|
|
"Please update your code.\n");
|
|
return BINARY;
|
|
} else {
|
|
return _default;
|
|
}
|
|
}
|
|
|
|
Local<Value> Encode(const void *buf, size_t len, enum encoding encoding) {
|
|
HandleScope scope;
|
|
|
|
if (!len) return scope.Close(String::Empty());
|
|
|
|
if (encoding == BINARY) {
|
|
const unsigned char *cbuf = static_cast<const unsigned char*>(buf);
|
|
uint16_t * twobytebuf = new uint16_t[len];
|
|
for (size_t i = 0; i < len; i++) {
|
|
// XXX is the following line platform independent?
|
|
twobytebuf[i] = cbuf[i];
|
|
}
|
|
Local<String> chunk = String::New(twobytebuf, len);
|
|
delete [] twobytebuf; // TODO use ExternalTwoByteString?
|
|
return scope.Close(chunk);
|
|
}
|
|
|
|
// utf8 or ascii encoding
|
|
Local<String> chunk = String::New((const char*)buf, len);
|
|
return scope.Close(chunk);
|
|
}
|
|
|
|
// Returns -1 if the handle was not valid for decoding
|
|
ssize_t DecodeBytes(v8::Handle<v8::Value> val, enum encoding encoding) {
|
|
HandleScope scope;
|
|
|
|
if (val->IsArray()) {
|
|
fprintf(stderr, "'raw' encoding (array of integers) has been removed. "
|
|
"Use 'binary'.\n");
|
|
assert(0);
|
|
return -1;
|
|
}
|
|
|
|
Local<String> str = val->ToString();
|
|
|
|
if (encoding == UTF8) return str->Utf8Length();
|
|
else if (encoding == UCS2) return str->Length() * 2;
|
|
|
|
return str->Length();
|
|
}
|
|
|
|
#ifndef MIN
|
|
# define MIN(a, b) ((a) < (b) ? (a) : (b))
|
|
#endif
|
|
|
|
// Returns number of bytes written.
|
|
ssize_t DecodeWrite(char *buf,
|
|
size_t buflen,
|
|
v8::Handle<v8::Value> val,
|
|
enum encoding encoding) {
|
|
HandleScope scope;
|
|
|
|
// XXX
|
|
// A lot of improvement can be made here. See:
|
|
// http://code.google.com/p/v8/issues/detail?id=270
|
|
// http://groups.google.com/group/v8-dev/browse_thread/thread/dba28a81d9215291/ece2b50a3b4022c
|
|
// http://groups.google.com/group/v8-users/browse_thread/thread/1f83b0ba1f0a611
|
|
|
|
if (val->IsArray()) {
|
|
fprintf(stderr, "'raw' encoding (array of integers) has been removed. "
|
|
"Use 'binary'.\n");
|
|
assert(0);
|
|
return -1;
|
|
}
|
|
|
|
Local<String> str = val->ToString();
|
|
|
|
if (encoding == UTF8) {
|
|
str->WriteUtf8(buf, buflen, NULL, String::HINT_MANY_WRITES_EXPECTED);
|
|
return buflen;
|
|
}
|
|
|
|
if (encoding == ASCII) {
|
|
str->WriteAscii(buf, 0, buflen, String::HINT_MANY_WRITES_EXPECTED);
|
|
return buflen;
|
|
}
|
|
|
|
// THIS IS AWFUL!!! FIXME
|
|
|
|
assert(encoding == BINARY);
|
|
|
|
uint16_t * twobytebuf = new uint16_t[buflen];
|
|
|
|
str->Write(twobytebuf, 0, buflen, String::HINT_MANY_WRITES_EXPECTED);
|
|
|
|
for (size_t i = 0; i < buflen; i++) {
|
|
unsigned char *b = reinterpret_cast<unsigned char*>(&twobytebuf[i]);
|
|
buf[i] = b[0];
|
|
}
|
|
|
|
delete [] twobytebuf;
|
|
|
|
return buflen;
|
|
}
|
|
|
|
|
|
void DisplayExceptionLine (TryCatch &try_catch) {
|
|
HandleScope scope;
|
|
|
|
Handle<Message> message = try_catch.Message();
|
|
|
|
node::Stdio::DisableRawMode(STDIN_FILENO);
|
|
fprintf(stderr, "\n");
|
|
|
|
if (!message.IsEmpty()) {
|
|
// Print (filename):(line number): (message).
|
|
String::Utf8Value filename(message->GetScriptResourceName());
|
|
const char* filename_string = *filename;
|
|
int linenum = message->GetLineNumber();
|
|
fprintf(stderr, "%s:%i\n", filename_string, linenum);
|
|
// Print line of source code.
|
|
String::Utf8Value sourceline(message->GetSourceLine());
|
|
const char* sourceline_string = *sourceline;
|
|
|
|
// HACK HACK HACK
|
|
//
|
|
// FIXME
|
|
//
|
|
// Because of how CommonJS modules work, all scripts are wrapped with a
|
|
// "function (function (exports, __filename, ...) {"
|
|
// to provide script local variables.
|
|
//
|
|
// When reporting errors on the first line of a script, this wrapper
|
|
// function is leaked to the user. This HACK is to remove it. The length
|
|
// of the wrapper is 62. That wrapper is defined in src/node.js
|
|
//
|
|
// If that wrapper is ever changed, then this number also has to be
|
|
// updated. Or - someone could clean this up so that the two peices
|
|
// don't need to be changed.
|
|
//
|
|
// Even better would be to get support into V8 for wrappers that
|
|
// shouldn't be reported to users.
|
|
int offset = linenum == 1 ? 62 : 0;
|
|
|
|
fprintf(stderr, "%s\n", sourceline_string + offset);
|
|
// Print wavy underline (GetUnderline is deprecated).
|
|
int start = message->GetStartColumn();
|
|
for (int i = offset; i < start; i++) {
|
|
fprintf(stderr, " ");
|
|
}
|
|
int end = message->GetEndColumn();
|
|
for (int i = start; i < end; i++) {
|
|
fprintf(stderr, "^");
|
|
}
|
|
fprintf(stderr, "\n");
|
|
}
|
|
}
|
|
|
|
|
|
static void ReportException(TryCatch &try_catch, bool show_line) {
|
|
HandleScope scope;
|
|
Handle<Message> message = try_catch.Message();
|
|
|
|
if (show_line) DisplayExceptionLine(try_catch);
|
|
|
|
String::Utf8Value trace(try_catch.StackTrace());
|
|
|
|
// range errors have a trace member set to undefined
|
|
if (trace.length() > 0 && !try_catch.StackTrace()->IsUndefined()) {
|
|
fprintf(stderr, "%s\n", *trace);
|
|
} else {
|
|
// this really only happens for RangeErrors, since they're the only
|
|
// kind that won't have all this info in the trace, or when non-Error
|
|
// objects are thrown manually.
|
|
Local<Value> er = try_catch.Exception();
|
|
bool isErrorObject = er->IsObject() &&
|
|
!(er->ToObject()->Get(String::New("message"))->IsUndefined()) &&
|
|
!(er->ToObject()->Get(String::New("name"))->IsUndefined());
|
|
|
|
if (isErrorObject) {
|
|
String::Utf8Value name(er->ToObject()->Get(String::New("name")));
|
|
fprintf(stderr, "%s: ", *name);
|
|
}
|
|
|
|
String::Utf8Value msg(!isErrorObject ? er->ToString()
|
|
: er->ToObject()->Get(String::New("message"))->ToString());
|
|
fprintf(stderr, "%s\n", *msg);
|
|
}
|
|
|
|
fflush(stderr);
|
|
}
|
|
|
|
// Executes a str within the current v8 context.
|
|
Local<Value> ExecuteString(Handle<String> source, Handle<Value> filename) {
|
|
HandleScope scope;
|
|
TryCatch try_catch;
|
|
|
|
Local<v8::Script> script = v8::Script::Compile(source, filename);
|
|
if (script.IsEmpty()) {
|
|
ReportException(try_catch, true);
|
|
exit(1);
|
|
}
|
|
|
|
Local<Value> result = script->Run();
|
|
if (result.IsEmpty()) {
|
|
ReportException(try_catch, true);
|
|
exit(1);
|
|
}
|
|
|
|
return scope.Close(result);
|
|
}
|
|
|
|
|
|
static Handle<Value> Chdir(const Arguments& args) {
|
|
HandleScope scope;
|
|
|
|
if (args.Length() != 1 || !args[0]->IsString()) {
|
|
return ThrowException(Exception::Error(String::New("Bad argument.")));
|
|
}
|
|
|
|
String::Utf8Value path(args[0]->ToString());
|
|
|
|
int r = chdir(*path);
|
|
|
|
if (r != 0) {
|
|
return ThrowException(Exception::Error(String::New(strerror(errno))));
|
|
}
|
|
|
|
return Undefined();
|
|
}
|
|
|
|
static Handle<Value> Cwd(const Arguments& args) {
|
|
HandleScope scope;
|
|
assert(args.Length() == 0);
|
|
|
|
char *r = getcwd(getbuf, ARRAY_SIZE(getbuf) - 1);
|
|
if (r == NULL) {
|
|
return ThrowException(Exception::Error(String::New(strerror(errno))));
|
|
}
|
|
|
|
getbuf[ARRAY_SIZE(getbuf) - 1] = '\0';
|
|
Local<String> cwd = String::New(r);
|
|
|
|
return scope.Close(cwd);
|
|
}
|
|
|
|
|
|
#ifdef __POSIX__
|
|
|
|
static Handle<Value> Umask(const Arguments& args){
|
|
HandleScope scope;
|
|
unsigned int old;
|
|
|
|
if(args.Length() < 1 || args[0]->IsUndefined()) {
|
|
old = umask(0);
|
|
umask((mode_t)old);
|
|
|
|
} else if(!args[0]->IsInt32() && !args[0]->IsString()) {
|
|
return ThrowException(Exception::TypeError(
|
|
String::New("argument must be an integer or octal string.")));
|
|
|
|
} else {
|
|
int oct;
|
|
if(args[0]->IsInt32()) {
|
|
oct = args[0]->Uint32Value();
|
|
} else {
|
|
oct = 0;
|
|
String::Utf8Value str(args[0]);
|
|
|
|
// Parse the octal string.
|
|
for (int i = 0; i < str.length(); i++) {
|
|
char c = (*str)[i];
|
|
if (c > '7' || c < '0') {
|
|
return ThrowException(Exception::TypeError(
|
|
String::New("invalid octal string")));
|
|
}
|
|
oct *= 8;
|
|
oct += c - '0';
|
|
}
|
|
}
|
|
old = umask(static_cast<mode_t>(oct));
|
|
}
|
|
|
|
return scope.Close(Uint32::New(old));
|
|
}
|
|
|
|
|
|
static Handle<Value> GetUid(const Arguments& args) {
|
|
HandleScope scope;
|
|
assert(args.Length() == 0);
|
|
int uid = getuid();
|
|
return scope.Close(Integer::New(uid));
|
|
}
|
|
|
|
static Handle<Value> GetGid(const Arguments& args) {
|
|
HandleScope scope;
|
|
assert(args.Length() == 0);
|
|
int gid = getgid();
|
|
return scope.Close(Integer::New(gid));
|
|
}
|
|
|
|
|
|
static Handle<Value> SetGid(const Arguments& args) {
|
|
HandleScope scope;
|
|
|
|
if (args.Length() < 1) {
|
|
return ThrowException(Exception::Error(
|
|
String::New("setgid requires 1 argument")));
|
|
}
|
|
|
|
int gid;
|
|
|
|
if (args[0]->IsNumber()) {
|
|
gid = args[0]->Int32Value();
|
|
} else if (args[0]->IsString()) {
|
|
String::Utf8Value grpnam(args[0]->ToString());
|
|
struct group grp, *grpp = NULL;
|
|
int err;
|
|
|
|
if ((err = getgrnam_r(*grpnam, &grp, getbuf, ARRAY_SIZE(getbuf), &grpp)) ||
|
|
grpp == NULL) {
|
|
return ThrowException(ErrnoException(errno, "getgrnam_r"));
|
|
}
|
|
|
|
gid = grpp->gr_gid;
|
|
} else {
|
|
return ThrowException(Exception::Error(
|
|
String::New("setgid argument must be a number or a string")));
|
|
}
|
|
|
|
int result;
|
|
if ((result = setgid(gid)) != 0) {
|
|
return ThrowException(ErrnoException(errno, "setgid"));
|
|
}
|
|
return Undefined();
|
|
}
|
|
|
|
static Handle<Value> SetUid(const Arguments& args) {
|
|
HandleScope scope;
|
|
|
|
if (args.Length() < 1) {
|
|
return ThrowException(Exception::Error(
|
|
String::New("setuid requires 1 argument")));
|
|
}
|
|
|
|
int uid;
|
|
|
|
if (args[0]->IsNumber()) {
|
|
uid = args[0]->Int32Value();
|
|
} else if (args[0]->IsString()) {
|
|
String::Utf8Value pwnam(args[0]->ToString());
|
|
struct passwd pwd, *pwdp = NULL;
|
|
int err;
|
|
|
|
if ((err = getpwnam_r(*pwnam, &pwd, getbuf, ARRAY_SIZE(getbuf), &pwdp)) ||
|
|
pwdp == NULL) {
|
|
return ThrowException(ErrnoException(errno, "getpwnam_r"));
|
|
}
|
|
|
|
uid = pwdp->pw_uid;
|
|
} else {
|
|
return ThrowException(Exception::Error(
|
|
String::New("setuid argument must be a number or a string")));
|
|
}
|
|
|
|
int result;
|
|
if ((result = setuid(uid)) != 0) {
|
|
return ThrowException(ErrnoException(errno, "setuid"));
|
|
}
|
|
return Undefined();
|
|
}
|
|
|
|
#endif // __POSIX__
|
|
|
|
|
|
v8::Handle<v8::Value> Exit(const v8::Arguments& args) {
|
|
HandleScope scope;
|
|
exit(args[0]->IntegerValue());
|
|
return Undefined();
|
|
}
|
|
|
|
|
|
static void CheckStatus(EV_P_ ev_timer *watcher, int revents) {
|
|
assert(watcher == &gc_timer);
|
|
assert(revents == EV_TIMEOUT);
|
|
|
|
// check memory
|
|
if (!ev_is_active(&gc_idle)) {
|
|
HeapStatistics stats;
|
|
V8::GetHeapStatistics(&stats);
|
|
if (stats.total_heap_size() > 1024 * 1024 * 128) {
|
|
// larger than 128 megs, just start the idle watcher
|
|
ev_idle_start(EV_A_ &gc_idle);
|
|
return;
|
|
}
|
|
}
|
|
|
|
double d = ev_now(EV_DEFAULT_UC) - TICK_TIME(3);
|
|
|
|
//printfb("timer d = %f\n", d);
|
|
|
|
if (d >= GC_WAIT_TIME - 1.) {
|
|
//fprintf(stderr, "start idle\n");
|
|
ev_idle_start(EV_A_ &gc_idle);
|
|
}
|
|
}
|
|
|
|
|
|
v8::Handle<v8::Value> MemoryUsage(const v8::Arguments& args) {
|
|
HandleScope scope;
|
|
assert(args.Length() == 0);
|
|
|
|
size_t rss, vsize;
|
|
|
|
int r = Platform::GetMemory(&rss, &vsize);
|
|
|
|
if (r != 0) {
|
|
return ThrowException(Exception::Error(String::New(strerror(errno))));
|
|
}
|
|
|
|
Local<Object> info = Object::New();
|
|
|
|
if (rss_symbol.IsEmpty()) {
|
|
rss_symbol = NODE_PSYMBOL("rss");
|
|
vsize_symbol = NODE_PSYMBOL("vsize");
|
|
heap_total_symbol = NODE_PSYMBOL("heapTotal");
|
|
heap_used_symbol = NODE_PSYMBOL("heapUsed");
|
|
}
|
|
|
|
info->Set(rss_symbol, Integer::NewFromUnsigned(rss));
|
|
info->Set(vsize_symbol, Integer::NewFromUnsigned(vsize));
|
|
|
|
// V8 memory usage
|
|
HeapStatistics v8_heap_stats;
|
|
V8::GetHeapStatistics(&v8_heap_stats);
|
|
info->Set(heap_total_symbol,
|
|
Integer::NewFromUnsigned(v8_heap_stats.total_heap_size()));
|
|
info->Set(heap_used_symbol,
|
|
Integer::NewFromUnsigned(v8_heap_stats.used_heap_size()));
|
|
|
|
return scope.Close(info);
|
|
}
|
|
|
|
|
|
#ifdef __POSIX__
|
|
|
|
Handle<Value> Kill(const Arguments& args) {
|
|
HandleScope scope;
|
|
|
|
if (args.Length() != 2) {
|
|
return ThrowException(Exception::Error(String::New("Bad argument.")));
|
|
}
|
|
|
|
pid_t pid = args[0]->IntegerValue();
|
|
int sig = args[1]->Int32Value();
|
|
int r = kill(pid, sig);
|
|
|
|
if (r != 0) return ThrowException(ErrnoException(errno, "kill"));
|
|
|
|
return Undefined();
|
|
}
|
|
|
|
|
|
typedef void (*extInit)(Handle<Object> exports);
|
|
|
|
// DLOpen is node.dlopen(). Used to load 'module.node' dynamically shared
|
|
// objects.
|
|
Handle<Value> DLOpen(const v8::Arguments& args) {
|
|
HandleScope scope;
|
|
|
|
if (args.Length() < 2) return Undefined();
|
|
|
|
String::Utf8Value filename(args[0]->ToString()); // Cast
|
|
Local<Object> target = args[1]->ToObject(); // Cast
|
|
|
|
// Actually call dlopen().
|
|
// FIXME: This is a blocking function and should be called asynchronously!
|
|
// This function should be moved to file.cc and use libeio to make this
|
|
// system call.
|
|
void *handle = dlopen(*filename, RTLD_LAZY);
|
|
|
|
// Handle errors.
|
|
if (handle == NULL) {
|
|
Local<Value> exception = Exception::Error(String::New(dlerror()));
|
|
return ThrowException(exception);
|
|
}
|
|
|
|
String::Utf8Value symbol(args[0]->ToString());
|
|
char *symstr = NULL;
|
|
{
|
|
char *sym = *symbol;
|
|
char *p = strrchr(sym, '/');
|
|
if (p != NULL) {
|
|
sym = p+1;
|
|
}
|
|
|
|
p = strrchr(sym, '.');
|
|
if (p != NULL) {
|
|
*p = '\0';
|
|
}
|
|
|
|
size_t slen = strlen(sym);
|
|
symstr = static_cast<char*>(calloc(1, slen + sizeof("_module") + 1));
|
|
memcpy(symstr, sym, slen);
|
|
memcpy(symstr+slen, "_module", sizeof("_module") + 1);
|
|
}
|
|
|
|
// Get the init() function from the dynamically shared object.
|
|
node_module_struct *mod = static_cast<node_module_struct *>(dlsym(handle, symstr));
|
|
free(symstr);
|
|
// Error out if not found.
|
|
if (mod == NULL) {
|
|
/* Start Compatibility hack: Remove once everyone is using NODE_MODULE macro */
|
|
node_module_struct compat_mod;
|
|
mod = &compat_mod;
|
|
mod->version = NODE_MODULE_VERSION;
|
|
|
|
void *init_handle = dlsym(handle, "init");
|
|
if (init_handle == NULL) {
|
|
dlclose(handle);
|
|
Local<Value> exception =
|
|
Exception::Error(String::New("No module symbol found in module."));
|
|
return ThrowException(exception);
|
|
}
|
|
mod->register_func = (extInit)(init_handle);
|
|
/* End Compatibility hack */
|
|
}
|
|
|
|
if (mod->version != NODE_MODULE_VERSION) {
|
|
Local<Value> exception =
|
|
Exception::Error(String::New("Module version mismatch, refusing to load."));
|
|
return ThrowException(exception);
|
|
}
|
|
|
|
// Execute the C++ module
|
|
mod->register_func(target);
|
|
|
|
// Tell coverity that 'handle' should not be freed when we return.
|
|
// coverity[leaked_storage]
|
|
return Undefined();
|
|
}
|
|
|
|
#endif // __POSIX__
|
|
|
|
|
|
// TODO remove me before 0.4
|
|
Handle<Value> Compile(const Arguments& args) {
|
|
HandleScope scope;
|
|
|
|
|
|
if (args.Length() < 2) {
|
|
return ThrowException(Exception::TypeError(
|
|
String::New("needs two arguments.")));
|
|
}
|
|
|
|
static bool shown_error_message = false;
|
|
|
|
if (!shown_error_message) {
|
|
shown_error_message = true;
|
|
fprintf(stderr, "(node) process.compile should not be used. "
|
|
"Use require('vm').runInThisContext instead.\n");
|
|
}
|
|
|
|
Local<String> source = args[0]->ToString();
|
|
Local<String> filename = args[1]->ToString();
|
|
|
|
TryCatch try_catch;
|
|
|
|
Local<v8::Script> script = v8::Script::Compile(source, filename);
|
|
if (try_catch.HasCaught()) {
|
|
// Hack because I can't get a proper stacktrace on SyntaxError
|
|
ReportException(try_catch, true);
|
|
exit(1);
|
|
}
|
|
|
|
Local<Value> result = script->Run();
|
|
if (try_catch.HasCaught()) {
|
|
ReportException(try_catch, false);
|
|
exit(1);
|
|
}
|
|
|
|
return scope.Close(result);
|
|
}
|
|
|
|
static void OnFatalError(const char* location, const char* message) {
|
|
if (location) {
|
|
fprintf(stderr, "FATAL ERROR: %s %s\n", location, message);
|
|
} else {
|
|
fprintf(stderr, "FATAL ERROR: %s\n", message);
|
|
}
|
|
exit(1);
|
|
}
|
|
|
|
static int uncaught_exception_counter = 0;
|
|
|
|
void FatalException(TryCatch &try_catch) {
|
|
HandleScope scope;
|
|
|
|
// Check if uncaught_exception_counter indicates a recursion
|
|
if (uncaught_exception_counter > 0) {
|
|
ReportException(try_catch, true);
|
|
exit(1);
|
|
}
|
|
|
|
if (listeners_symbol.IsEmpty()) {
|
|
listeners_symbol = NODE_PSYMBOL("listeners");
|
|
uncaught_exception_symbol = NODE_PSYMBOL("uncaughtException");
|
|
emit_symbol = NODE_PSYMBOL("emit");
|
|
}
|
|
|
|
Local<Value> listeners_v = process->Get(listeners_symbol);
|
|
assert(listeners_v->IsFunction());
|
|
|
|
Local<Function> listeners = Local<Function>::Cast(listeners_v);
|
|
|
|
Local<String> uncaught_exception_symbol_l = Local<String>::New(uncaught_exception_symbol);
|
|
Local<Value> argv[1] = { uncaught_exception_symbol_l };
|
|
Local<Value> ret = listeners->Call(process, 1, argv);
|
|
|
|
assert(ret->IsArray());
|
|
|
|
Local<Array> listener_array = Local<Array>::Cast(ret);
|
|
|
|
uint32_t length = listener_array->Length();
|
|
// Report and exit if process has no "uncaughtException" listener
|
|
if (length == 0) {
|
|
ReportException(try_catch, true);
|
|
exit(1);
|
|
}
|
|
|
|
// Otherwise fire the process "uncaughtException" event
|
|
Local<Value> emit_v = process->Get(emit_symbol);
|
|
assert(emit_v->IsFunction());
|
|
|
|
Local<Function> emit = Local<Function>::Cast(emit_v);
|
|
|
|
Local<Value> error = try_catch.Exception();
|
|
Local<Value> event_argv[2] = { uncaught_exception_symbol_l, error };
|
|
|
|
uncaught_exception_counter++;
|
|
emit->Call(process, 2, event_argv);
|
|
// Decrement so we know if the next exception is a recursion or not
|
|
uncaught_exception_counter--;
|
|
}
|
|
|
|
|
|
static ev_async debug_watcher;
|
|
|
|
static void DebugMessageCallback(EV_P_ ev_async *watcher, int revents) {
|
|
HandleScope scope;
|
|
assert(watcher == &debug_watcher);
|
|
assert(revents == EV_ASYNC);
|
|
Debug::ProcessDebugMessages();
|
|
}
|
|
|
|
static void DebugMessageDispatch(void) {
|
|
// This function is called from V8's debug thread when a debug TCP client
|
|
// has sent a message.
|
|
|
|
// Send a signal to our main thread saying that it should enter V8 to
|
|
// handle the message.
|
|
ev_async_send(EV_DEFAULT_UC_ &debug_watcher);
|
|
}
|
|
|
|
static void DebugBreakMessageHandler(const Debug::Message& message) {
|
|
// do nothing with debug messages.
|
|
// The message handler will get changed by DebuggerAgent::CreateSession in
|
|
// debug-agent.cc of v8/src when a new session is created
|
|
}
|
|
|
|
|
|
Persistent<Object> binding_cache;
|
|
|
|
static Handle<Value> Binding(const Arguments& args) {
|
|
HandleScope scope;
|
|
|
|
Local<String> module = args[0]->ToString();
|
|
String::Utf8Value module_v(module);
|
|
node_module_struct* modp;
|
|
|
|
if (binding_cache.IsEmpty()) {
|
|
binding_cache = Persistent<Object>::New(Object::New());
|
|
}
|
|
|
|
Local<Object> exports;
|
|
|
|
if (binding_cache->Has(module)) {
|
|
exports = binding_cache->Get(module)->ToObject();
|
|
|
|
} else if ((modp = get_builtin_module(*module_v)) != NULL) {
|
|
exports = Object::New();
|
|
modp->register_func(exports);
|
|
binding_cache->Set(module, exports);
|
|
|
|
} else if (!strcmp(*module_v, "constants")) {
|
|
exports = Object::New();
|
|
DefineConstants(exports);
|
|
binding_cache->Set(module, exports);
|
|
|
|
} else if (!strcmp(*module_v, "io_watcher")) {
|
|
exports = Object::New();
|
|
IOWatcher::Initialize(exports);
|
|
binding_cache->Set(module, exports);
|
|
|
|
} else if (!strcmp(*module_v, "timer")) {
|
|
exports = Object::New();
|
|
Timer::Initialize(exports);
|
|
binding_cache->Set(module, exports);
|
|
|
|
} else if (!strcmp(*module_v, "natives")) {
|
|
exports = Object::New();
|
|
DefineJavaScript(exports);
|
|
binding_cache->Set(module, exports);
|
|
|
|
} else {
|
|
|
|
return ThrowException(Exception::Error(String::New("No such module")));
|
|
}
|
|
|
|
return scope.Close(exports);
|
|
}
|
|
|
|
|
|
static Handle<Value> ProcessTitleGetter(Local<String> property,
|
|
const AccessorInfo& info) {
|
|
HandleScope scope;
|
|
int len;
|
|
const char *s = Platform::GetProcessTitle(&len);
|
|
return scope.Close(s ? String::New(s, len) : String::Empty());
|
|
}
|
|
|
|
|
|
static void ProcessTitleSetter(Local<String> property,
|
|
Local<Value> value,
|
|
const AccessorInfo& info) {
|
|
HandleScope scope;
|
|
String::Utf8Value title(value->ToString());
|
|
Platform::SetProcessTitle(*title);
|
|
}
|
|
|
|
|
|
static Handle<Value> EnvGetter(Local<String> property,
|
|
const AccessorInfo& info) {
|
|
String::Utf8Value key(property);
|
|
const char* val = getenv(*key);
|
|
if (val) {
|
|
HandleScope scope;
|
|
return scope.Close(String::New(val));
|
|
}
|
|
return Undefined();
|
|
}
|
|
|
|
|
|
static bool ENV_warning = false;
|
|
static Handle<Value> EnvGetterWarn(Local<String> property,
|
|
const AccessorInfo& info) {
|
|
if (!ENV_warning) {
|
|
ENV_warning = true;
|
|
fprintf(stderr, "(node) Use process.env instead of process.ENV\r\n");
|
|
}
|
|
return EnvGetter(property, info);
|
|
}
|
|
|
|
|
|
static Handle<Value> EnvSetter(Local<String> property,
|
|
Local<Value> value,
|
|
const AccessorInfo& info) {
|
|
String::Utf8Value key(property);
|
|
String::Utf8Value val(value);
|
|
#ifdef __POSIX__
|
|
setenv(*key, *val, 1);
|
|
#else // __WIN32__
|
|
NO_IMPL_MSG(setenv)
|
|
#endif
|
|
return value;
|
|
}
|
|
|
|
|
|
static Handle<Integer> EnvQuery(Local<String> property,
|
|
const AccessorInfo& info) {
|
|
String::Utf8Value key(property);
|
|
if (getenv(*key)) {
|
|
HandleScope scope;
|
|
return scope.Close(Integer::New(None));
|
|
}
|
|
return Handle<Integer>();
|
|
}
|
|
|
|
|
|
static Handle<Boolean> EnvDeleter(Local<String> property,
|
|
const AccessorInfo& info) {
|
|
String::Utf8Value key(property);
|
|
if (getenv(*key)) {
|
|
#ifdef __POSIX__
|
|
unsetenv(*key); // prototyped as `void unsetenv(const char*)` on some platforms
|
|
#else
|
|
NO_IMPL_MSG(unsetenv)
|
|
#endif
|
|
return True();
|
|
}
|
|
return False();
|
|
}
|
|
|
|
|
|
static Handle<Array> EnvEnumerator(const AccessorInfo& info) {
|
|
HandleScope scope;
|
|
|
|
int size = 0;
|
|
while (environ[size]) size++;
|
|
|
|
Local<Array> env = Array::New(size);
|
|
|
|
for (int i = 0; i < size; ++i) {
|
|
const char* var = environ[i];
|
|
const char* s = strchr(var, '=');
|
|
const int length = s ? s - var : strlen(var);
|
|
env->Set(i, String::New(var, length));
|
|
}
|
|
|
|
return scope.Close(env);
|
|
}
|
|
|
|
|
|
static void Load(int argc, char *argv[]) {
|
|
HandleScope scope;
|
|
|
|
int i, j;
|
|
|
|
Local<FunctionTemplate> process_template = FunctionTemplate::New();
|
|
node::EventEmitter::Initialize(process_template);
|
|
|
|
process = Persistent<Object>::New(process_template->GetFunction()->NewInstance());
|
|
|
|
|
|
process->SetAccessor(String::New("title"),
|
|
ProcessTitleGetter,
|
|
ProcessTitleSetter);
|
|
|
|
// process.version
|
|
process->Set(String::NewSymbol("version"), String::New(NODE_VERSION));
|
|
|
|
// process.installPrefix
|
|
process->Set(String::NewSymbol("installPrefix"), String::New(NODE_PREFIX));
|
|
|
|
Local<Object> versions = Object::New();
|
|
char buf[20];
|
|
process->Set(String::NewSymbol("versions"), versions);
|
|
// +1 to get rid of the leading 'v'
|
|
versions->Set(String::NewSymbol("node"), String::New(NODE_VERSION+1));
|
|
versions->Set(String::NewSymbol("v8"), String::New(V8::GetVersion()));
|
|
versions->Set(String::NewSymbol("ares"), String::New(ARES_VERSION_STR));
|
|
snprintf(buf, 20, "%d.%d", ev_version_major(), ev_version_minor());
|
|
versions->Set(String::NewSymbol("ev"), String::New(buf));
|
|
#ifdef HAVE_OPENSSL
|
|
// Stupid code to slice out the version string.
|
|
int c, l = strlen(OPENSSL_VERSION_TEXT);
|
|
for (i = 0; i < l; i++) {
|
|
c = OPENSSL_VERSION_TEXT[i];
|
|
if ('0' <= c && c <= '9') {
|
|
for (j = i + 1; j < l; j++) {
|
|
c = OPENSSL_VERSION_TEXT[j];
|
|
if (c == ' ') break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
versions->Set(String::NewSymbol("openssl"),
|
|
String::New(OPENSSL_VERSION_TEXT + i, j - i));
|
|
#endif
|
|
|
|
|
|
|
|
// process.platform
|
|
process->Set(String::NewSymbol("platform"), String::New(PLATFORM));
|
|
|
|
// process.argv
|
|
Local<Array> arguments = Array::New(argc - option_end_index + 1);
|
|
arguments->Set(Integer::New(0), String::New(argv[0]));
|
|
for (j = 1, i = option_end_index; i < argc; j++, i++) {
|
|
Local<String> arg = String::New(argv[i]);
|
|
arguments->Set(Integer::New(j), arg);
|
|
}
|
|
// assign it
|
|
process->Set(String::NewSymbol("ARGV"), arguments);
|
|
process->Set(String::NewSymbol("argv"), arguments);
|
|
|
|
// create process.env
|
|
Local<ObjectTemplate> envTemplate = ObjectTemplate::New();
|
|
envTemplate->SetNamedPropertyHandler(EnvGetter,
|
|
EnvSetter,
|
|
EnvQuery,
|
|
EnvDeleter,
|
|
EnvEnumerator,
|
|
Undefined());
|
|
Local<Object> env = envTemplate->NewInstance();
|
|
process->Set(String::NewSymbol("env"), env);
|
|
|
|
// create process.ENV
|
|
// TODO: remove me at some point.
|
|
Local<ObjectTemplate> ENVTemplate = ObjectTemplate::New();
|
|
ENVTemplate->SetNamedPropertyHandler(EnvGetterWarn,
|
|
EnvSetter,
|
|
EnvQuery,
|
|
EnvDeleter,
|
|
EnvEnumerator,
|
|
Undefined());
|
|
Local<Object> ENV = ENVTemplate->NewInstance();
|
|
process->Set(String::NewSymbol("ENV"), ENV);
|
|
|
|
process->Set(String::NewSymbol("pid"), Integer::New(getpid()));
|
|
|
|
// -e, --eval
|
|
if (eval_string) {
|
|
process->Set(String::NewSymbol("_eval"), String::New(eval_string));
|
|
}
|
|
|
|
size_t size = 2*PATH_MAX;
|
|
char execPath[size];
|
|
if (Platform::GetExecutablePath(execPath, &size) != 0) {
|
|
// as a last ditch effort, fallback on argv[0] ?
|
|
process->Set(String::NewSymbol("execPath"), String::New(argv[0]));
|
|
} else {
|
|
process->Set(String::NewSymbol("execPath"), String::New(execPath, size));
|
|
}
|
|
|
|
|
|
// define various internal methods
|
|
NODE_SET_METHOD(process, "compile", Compile);
|
|
NODE_SET_METHOD(process, "_needTickCallback", NeedTickCallback);
|
|
NODE_SET_METHOD(process, "reallyExit", Exit);
|
|
NODE_SET_METHOD(process, "chdir", Chdir);
|
|
NODE_SET_METHOD(process, "cwd", Cwd);
|
|
|
|
#ifdef __POSIX__
|
|
NODE_SET_METHOD(process, "getuid", GetUid);
|
|
NODE_SET_METHOD(process, "setuid", SetUid);
|
|
|
|
NODE_SET_METHOD(process, "setgid", SetGid);
|
|
NODE_SET_METHOD(process, "getgid", GetGid);
|
|
|
|
NODE_SET_METHOD(process, "umask", Umask);
|
|
NODE_SET_METHOD(process, "dlopen", DLOpen);
|
|
NODE_SET_METHOD(process, "_kill", Kill);
|
|
#endif // __POSIX__
|
|
|
|
NODE_SET_METHOD(process, "memoryUsage", MemoryUsage);
|
|
|
|
NODE_SET_METHOD(process, "binding", Binding);
|
|
|
|
// Assign the EventEmitter. It was created in main().
|
|
process->Set(String::NewSymbol("EventEmitter"),
|
|
EventEmitter::constructor_template->GetFunction());
|
|
|
|
// Compile, execute the src/node.js file. (Which was included as static C
|
|
// string in node_natives.h. 'natve_node' is the string containing that
|
|
// source code.)
|
|
|
|
// The node.js file returns a function 'f'
|
|
|
|
TryCatch try_catch;
|
|
|
|
Local<Value> f_value = ExecuteString(MainSource(),
|
|
IMMUTABLE_STRING("node.js"));
|
|
if (try_catch.HasCaught()) {
|
|
ReportException(try_catch, true);
|
|
exit(10);
|
|
}
|
|
assert(f_value->IsFunction());
|
|
Local<Function> f = Local<Function>::Cast(f_value);
|
|
|
|
// Now we call 'f' with the 'process' variable that we've built up with
|
|
// all our bindings. Inside node.js we'll take care of assigning things to
|
|
// their places.
|
|
|
|
// We start the process this way in order to be more modular. Developers
|
|
// who do not like how 'src/node.js' setups the module system but do like
|
|
// Node's I/O bindings may want to replace 'f' with their own function.
|
|
|
|
// Add a reference to the global object
|
|
Local<Object> global = v8::Context::GetCurrent()->Global();
|
|
Local<Value> args[1] = { Local<Value>::New(process) };
|
|
|
|
#ifdef HAVE_DTRACE
|
|
InitDTrace(global);
|
|
#endif
|
|
|
|
f->Call(global, 1, args);
|
|
|
|
if (try_catch.HasCaught()) {
|
|
ReportException(try_catch, true);
|
|
exit(11);
|
|
}
|
|
}
|
|
|
|
static void PrintHelp();
|
|
|
|
static void ParseDebugOpt(const char* arg) {
|
|
const char *p = 0;
|
|
|
|
use_debug_agent = true;
|
|
if (!strcmp (arg, "--debug-brk")) {
|
|
debug_wait_connect = true;
|
|
return;
|
|
} else if (!strcmp(arg, "--debug")) {
|
|
return;
|
|
} else if (strstr(arg, "--debug-brk=") == arg) {
|
|
debug_wait_connect = true;
|
|
p = 1 + strchr(arg, '=');
|
|
debug_port = atoi(p);
|
|
} else if (strstr(arg, "--debug=") == arg) {
|
|
p = 1 + strchr(arg, '=');
|
|
debug_port = atoi(p);
|
|
}
|
|
if (p && debug_port > 1024 && debug_port < 65536)
|
|
return;
|
|
|
|
fprintf(stderr, "Bad debug option.\n");
|
|
if (p) fprintf(stderr, "Debug port must be in range 1025 to 65535.\n");
|
|
|
|
PrintHelp();
|
|
exit(1);
|
|
}
|
|
|
|
static void PrintHelp() {
|
|
printf("Usage: node [options] script.js [arguments] \n"
|
|
" node debug script.js [arguments] \n"
|
|
"\n"
|
|
"Options:\n"
|
|
" -v, --version print node's version\n"
|
|
" --v8-options print v8 command line options\n"
|
|
" --vars print various compiled-in variables\n"
|
|
" --max-stack-size=val set max v8 stack size (bytes)\n"
|
|
"\n"
|
|
"Enviromental variables:\n"
|
|
"NODE_PATH ':'-separated list of directories\n"
|
|
" prefixed to the module search path,\n"
|
|
" require.paths.\n"
|
|
"NODE_MODULE_CONTEXTS Set to 1 to load modules in their own\n"
|
|
" global contexts.\n"
|
|
"NODE_DISABLE_COLORS Set to 1 to disable colors in the REPL\n"
|
|
"\n"
|
|
"Documentation can be found at http://nodejs.org/\n");
|
|
}
|
|
|
|
// Parse node command line arguments.
|
|
static void ParseArgs(int *argc, char **argv) {
|
|
int i;
|
|
|
|
// TODO use parse opts
|
|
for (i = 1; i < *argc; i++) {
|
|
const char *arg = argv[i];
|
|
if (strstr(arg, "--debug") == arg) {
|
|
ParseDebugOpt(arg);
|
|
argv[i] = const_cast<char*>("");
|
|
} else if (strcmp(arg, "--version") == 0 || strcmp(arg, "-v") == 0) {
|
|
printf("%s\n", NODE_VERSION);
|
|
exit(0);
|
|
} else if (strcmp(arg, "--vars") == 0) {
|
|
printf("NODE_PREFIX: %s\n", NODE_PREFIX);
|
|
printf("NODE_CFLAGS: %s\n", NODE_CFLAGS);
|
|
exit(0);
|
|
} else if (strstr(arg, "--max-stack-size=") == arg) {
|
|
const char *p = 0;
|
|
p = 1 + strchr(arg, '=');
|
|
max_stack_size = atoi(p);
|
|
argv[i] = const_cast<char*>("");
|
|
} else if (strcmp(arg, "--help") == 0 || strcmp(arg, "-h") == 0) {
|
|
PrintHelp();
|
|
exit(0);
|
|
} else if (strcmp(arg, "--eval") == 0 || strcmp(arg, "-e") == 0) {
|
|
if (*argc <= i + 1) {
|
|
fprintf(stderr, "Error: --eval requires an argument\n");
|
|
exit(1);
|
|
}
|
|
argv[i] = const_cast<char*>("");
|
|
eval_string = argv[++i];
|
|
} else if (strcmp(arg, "--v8-options") == 0) {
|
|
argv[i] = const_cast<char*>("--help");
|
|
} else if (argv[i][0] != '-') {
|
|
break;
|
|
}
|
|
}
|
|
|
|
option_end_index = i;
|
|
}
|
|
|
|
|
|
static void AtExit() {
|
|
node::Stdio::Flush();
|
|
node::Stdio::DisableRawMode(STDIN_FILENO);
|
|
}
|
|
|
|
|
|
static void SignalExit(int signal) {
|
|
Stdio::DisableRawMode(STDIN_FILENO);
|
|
_exit(1);
|
|
}
|
|
|
|
|
|
static void EnableDebug(bool wait_connect) {
|
|
// Start the debug thread and it's associated TCP server on port 5858.
|
|
bool r = Debug::EnableAgent("node " NODE_VERSION, debug_port);
|
|
|
|
if (wait_connect) {
|
|
// Set up an empty handler so v8 will not continue until a debugger
|
|
// attaches. This is the same behavior as Debug::EnableAgent(_,_,true)
|
|
// except we don't break at the beginning of the script.
|
|
// see Debugger::StartAgent in debug.cc of v8/src
|
|
Debug::SetMessageHandler2(node::DebugBreakMessageHandler);
|
|
}
|
|
|
|
// Crappy check that everything went well. FIXME
|
|
assert(r);
|
|
|
|
// Print out some information.
|
|
fprintf(stderr, "debugger listening on port %d", debug_port);
|
|
}
|
|
|
|
|
|
static volatile bool hit_signal;
|
|
|
|
|
|
static void EnableDebugSignalHandler(int signal) {
|
|
// This is signal safe.
|
|
hit_signal = true;
|
|
v8::Debug::DebugBreak();
|
|
}
|
|
|
|
|
|
static void DebugSignalCB(const Debug::EventDetails& details) {
|
|
if (hit_signal && details.GetEvent() == v8::Break) {
|
|
hit_signal = false;
|
|
fprintf(stderr, "Hit SIGUSR1 - starting debugger agent.\n");
|
|
EnableDebug(false);
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef __POSIX__
|
|
|
|
static int RegisterSignalHandler(int signal, void (*handler)(int)) {
|
|
struct sigaction sa;
|
|
|
|
memset(&sa, 0, sizeof(sa));
|
|
sa.sa_handler = handler;
|
|
sigfillset(&sa.sa_mask);
|
|
return sigaction(signal, &sa, NULL);
|
|
}
|
|
#endif // __POSIX__
|
|
|
|
|
|
int Start(int argc, char *argv[]) {
|
|
// Hack aroung with the argv pointer. Used for process.title = "blah".
|
|
argv = node::Platform::SetupArgs(argc, argv);
|
|
|
|
// Parse a few arguments which are specific to Node.
|
|
node::ParseArgs(&argc, argv);
|
|
// Parse the rest of the args (up to the 'option_end_index' (where '--' was
|
|
// in the command line))
|
|
int v8argc = node::option_end_index;
|
|
char **v8argv = argv;
|
|
|
|
if (node::debug_wait_connect) {
|
|
// v8argv is a copy of argv up to the script file argument +2 if --debug-brk
|
|
// to expose the v8 debugger js object so that node.js can set
|
|
// a breakpoint on the first line of the startup script
|
|
v8argc += 2;
|
|
v8argv = new char*[v8argc];
|
|
memcpy(v8argv, argv, sizeof(argv) * node::option_end_index);
|
|
v8argv[node::option_end_index] = const_cast<char*>("--expose_debug_as");
|
|
v8argv[node::option_end_index + 1] = const_cast<char*>("v8debug");
|
|
}
|
|
|
|
// For the normal stack which moves from high to low addresses when frames
|
|
// are pushed, we can compute the limit as stack_size bytes below the
|
|
// the address of a stack variable (e.g. &stack_var) as an approximation
|
|
// of the start of the stack (we're assuming that we haven't pushed a lot
|
|
// of frames yet).
|
|
if (node::max_stack_size != 0) {
|
|
uint32_t stack_var;
|
|
ResourceConstraints constraints;
|
|
|
|
uint32_t *stack_limit = &stack_var - (node::max_stack_size / sizeof(uint32_t));
|
|
constraints.set_stack_limit(stack_limit);
|
|
SetResourceConstraints(&constraints); // Must be done before V8::Initialize
|
|
}
|
|
V8::SetFlagsFromCommandLine(&v8argc, v8argv, false);
|
|
|
|
#ifdef __POSIX__
|
|
// Ignore SIGPIPE
|
|
RegisterSignalHandler(SIGPIPE, SIG_IGN);
|
|
RegisterSignalHandler(SIGINT, SignalExit);
|
|
RegisterSignalHandler(SIGTERM, SignalExit);
|
|
#endif // __POSIX__
|
|
|
|
#ifdef __MINGW32__
|
|
// Initialize winsock and soem related caches
|
|
wsa_init();
|
|
#endif // __MINGW32__
|
|
|
|
// Initialize the default ev loop.
|
|
#if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
|
|
ev_default_loop(EVBACKEND_KQUEUE);
|
|
#else
|
|
ev_default_loop(EVFLAG_AUTO);
|
|
#endif
|
|
|
|
ev_prepare_init(&node::prepare_tick_watcher, node::PrepareTick);
|
|
ev_prepare_start(EV_DEFAULT_UC_ &node::prepare_tick_watcher);
|
|
ev_unref(EV_DEFAULT_UC);
|
|
|
|
ev_check_init(&node::check_tick_watcher, node::CheckTick);
|
|
ev_check_start(EV_DEFAULT_UC_ &node::check_tick_watcher);
|
|
ev_unref(EV_DEFAULT_UC);
|
|
|
|
ev_idle_init(&node::tick_spinner, node::Spin);
|
|
|
|
ev_check_init(&node::gc_check, node::Check);
|
|
ev_check_start(EV_DEFAULT_UC_ &node::gc_check);
|
|
ev_unref(EV_DEFAULT_UC);
|
|
|
|
ev_idle_init(&node::gc_idle, node::Idle);
|
|
ev_timer_init(&node::gc_timer, node::CheckStatus, 5., 5.);
|
|
|
|
|
|
// Setup the EIO thread pool
|
|
{ // It requires 3, yes 3, watchers.
|
|
ev_idle_init(&node::eio_poller, node::DoPoll);
|
|
|
|
ev_async_init(&node::eio_want_poll_notifier, node::WantPollNotifier);
|
|
ev_async_start(EV_DEFAULT_UC_ &node::eio_want_poll_notifier);
|
|
ev_unref(EV_DEFAULT_UC);
|
|
|
|
ev_async_init(&node::eio_done_poll_notifier, node::DonePollNotifier);
|
|
ev_async_start(EV_DEFAULT_UC_ &node::eio_done_poll_notifier);
|
|
ev_unref(EV_DEFAULT_UC);
|
|
|
|
eio_init(node::EIOWantPoll, node::EIODonePoll);
|
|
// Don't handle more than 10 reqs on each eio_poll(). This is to avoid
|
|
// race conditions. See test/simple/test-eio-race.js
|
|
eio_set_max_poll_reqs(10);
|
|
}
|
|
|
|
V8::Initialize();
|
|
HandleScope handle_scope;
|
|
|
|
V8::SetFatalErrorHandler(node::OnFatalError);
|
|
|
|
|
|
// Initialize the async watcher for receiving messages from the debug
|
|
// thread and marshal it into the main thread. DebugMessageCallback()
|
|
// is called from the main thread to execute a random bit of javascript
|
|
// - which will give V8 control so it can handle whatever new message
|
|
// had been received on the debug thread.
|
|
ev_async_init(&node::debug_watcher, node::DebugMessageCallback);
|
|
ev_set_priority(&node::debug_watcher, EV_MAXPRI);
|
|
// Set the callback DebugMessageDispatch which is called from the debug
|
|
// thread.
|
|
Debug::SetDebugMessageDispatchHandler(node::DebugMessageDispatch);
|
|
// Start the async watcher.
|
|
ev_async_start(EV_DEFAULT_UC_ &node::debug_watcher);
|
|
// unref it so that we exit the event loop despite it being active.
|
|
ev_unref(EV_DEFAULT_UC);
|
|
|
|
|
|
// If the --debug flag was specified then initialize the debug thread.
|
|
if (node::use_debug_agent) {
|
|
EnableDebug(debug_wait_connect);
|
|
} else {
|
|
#ifdef __POSIX__
|
|
RegisterSignalHandler(SIGUSR1, EnableDebugSignalHandler);
|
|
Debug::SetDebugEventListener2(DebugSignalCB);
|
|
#endif // __POSIX__
|
|
}
|
|
|
|
// Create the one and only Context.
|
|
Persistent<v8::Context> context = v8::Context::New();
|
|
v8::Context::Scope context_scope(context);
|
|
|
|
atexit(node::AtExit);
|
|
|
|
// Create all the objects, load modules, do everything.
|
|
// so your next reading stop should be node::Load()!
|
|
node::Load(argc, argv);
|
|
|
|
// TODO Probably don't need to start this each time.
|
|
// Avoids failing on test/simple/test-eio-race3.js though
|
|
ev_idle_start(EV_DEFAULT_UC_ &eio_poller);
|
|
|
|
// All our arguments are loaded. We've evaluated all of the scripts. We
|
|
// might even have created TCP servers. Now we enter the main eventloop. If
|
|
// there are no watchers on the loop (except for the ones that were
|
|
// ev_unref'd) then this function exits. As long as there are active
|
|
// watchers, it blocks.
|
|
ev_loop(EV_DEFAULT_UC_ 0);
|
|
|
|
|
|
// process.emit('exit')
|
|
Local<Value> emit_v = process->Get(String::New("emit"));
|
|
assert(emit_v->IsFunction());
|
|
Local<Function> emit = Local<Function>::Cast(emit_v);
|
|
Local<Value> args[] = { String::New("exit") };
|
|
TryCatch try_catch;
|
|
emit->Call(process, 1, args);
|
|
if (try_catch.HasCaught()) {
|
|
FatalException(try_catch);
|
|
}
|
|
|
|
|
|
#ifndef NDEBUG
|
|
// Clean up.
|
|
context.Dispose();
|
|
V8::Dispose();
|
|
#endif // NDEBUG
|
|
return 0;
|
|
}
|
|
|
|
|
|
} // namespace node
|
|
|