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/*****************************************************************************
$Id$
File: rubymain.cpp
Date: 06Apr06
Copyright (C) 2006-07 by Francis Cianfrocca. All Rights Reserved.
Gmail: blackhedd
This program is free software; you can redistribute it and/or modify
it under the terms of either: 1) the GNU General Public License
as published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version; or 2) Ruby's License.
See the file COPYING for complete licensing information.
*****************************************************************************/
#include "project.h"
#include "eventmachine.h"
#include <ruby.h>
#ifndef RFLOAT_VALUE
#define RFLOAT_VALUE(arg) RFLOAT(arg)->value
#endif
/*******
Statics
*******/
static VALUE EmModule;
static VALUE EmConnection;
static VALUE EmConnsHash;
static VALUE EmTimersHash;
static VALUE EM_eConnectionError;
static VALUE EM_eUnknownTimerFired;
static VALUE EM_eConnectionNotBound;
static VALUE EM_eUnsupported;
static VALUE Intern_at_signature;
static VALUE Intern_at_timers;
static VALUE Intern_at_conns;
static VALUE Intern_at_error_handler;
static VALUE Intern_event_callback;
static VALUE Intern_run_deferred_callbacks;
static VALUE Intern_delete;
static VALUE Intern_call;
static VALUE Intern_receive_data;
static VALUE Intern_receive_error;
static VALUE Intern_ssl_handshake_completed;
static VALUE Intern_ssl_verify_peer;
static VALUE Intern_notify_readable;
static VALUE Intern_notify_writable;
static VALUE Intern_proxy_target_unbound;
static VALUE Intern_proxy_completed;
static VALUE Intern_connection_completed;
static VALUE rb_cProcStatus;
struct em_event {
unsigned long signature;
int event;
const char *data_str;
unsigned long data_num;
};
static inline VALUE ensure_conn(const unsigned long signature)
{
VALUE conn = rb_hash_aref (EmConnsHash, ULONG2NUM (signature));
if (conn == Qnil)
rb_raise (EM_eConnectionNotBound, "unknown connection: %lu", signature);
return conn;
}
/****************
t_event_callback
****************/
static inline void event_callback (struct em_event* e)
{
const unsigned long signature = e->signature;
int event = e->event;
const char *data_str = e->data_str;
const unsigned long data_num = e->data_num;
switch (event) {
case EM_CONNECTION_READ:
{
VALUE conn = rb_hash_aref (EmConnsHash, ULONG2NUM (signature));
if (conn == Qnil)
rb_raise (EM_eConnectionNotBound, "received %lu bytes of data for unknown signature: %lu", data_num, signature);
rb_funcall (conn, Intern_receive_data, 1, rb_str_new (data_str, data_num));
return;
}
case EM_CONNECTION_SENDERROR:
{
VALUE conn = rb_hash_aref (EmConnsHash, ULONG2NUM (signature));
if (conn == Qnil)
rb_raise (EM_eConnectionNotBound, "received %lu bytes of data for unknown signature: %lu", data_num, signature);
rb_funcall (conn, Intern_receive_error, 1, rb_str_new (data_str, data_num));
return;
}
case EM_CONNECTION_ACCEPTED:
{
rb_funcall (EmModule, Intern_event_callback, 3, ULONG2NUM(signature), INT2FIX(event), ULONG2NUM(data_num));
return;
}
case EM_CONNECTION_UNBOUND:
{
rb_funcall (EmModule, Intern_event_callback, 3, ULONG2NUM(signature), INT2FIX(event), ULONG2NUM(data_num));
return;
}
case EM_CONNECTION_COMPLETED:
{
VALUE conn = ensure_conn(signature);
rb_funcall (conn, Intern_connection_completed, 0);
return;
}
case EM_CONNECTION_NOTIFY_READABLE:
{
VALUE conn = ensure_conn(signature);
rb_funcall (conn, Intern_notify_readable, 0);
return;
}
case EM_CONNECTION_NOTIFY_WRITABLE:
{
VALUE conn = ensure_conn(signature);
rb_funcall (conn, Intern_notify_writable, 0);
return;
}
case EM_LOOPBREAK_SIGNAL:
{
rb_funcall (EmModule, Intern_run_deferred_callbacks, 0);
return;
}
case EM_TIMER_FIRED:
{
VALUE timer = rb_funcall (EmTimersHash, Intern_delete, 1, ULONG2NUM (data_num));
if (timer == Qnil) {
rb_raise (EM_eUnknownTimerFired, "no such timer: %lu", data_num);
} else if (timer == Qfalse) {
/* Timer Canceled */
} else {
rb_funcall (timer, Intern_call, 0);
}
return;
}
#ifdef WITH_SSL
case EM_SSL_HANDSHAKE_COMPLETED:
{
VALUE conn = ensure_conn(signature);
rb_funcall (conn, Intern_ssl_handshake_completed, 0);
return;
}
case EM_SSL_VERIFY:
{
VALUE conn = ensure_conn(signature);
VALUE should_accept = rb_funcall (conn, Intern_ssl_verify_peer, 1, rb_str_new(data_str, data_num));
if (RTEST(should_accept))
evma_accept_ssl_peer (signature);
return;
}
#endif
case EM_PROXY_TARGET_UNBOUND:
{
VALUE conn = ensure_conn(signature);
rb_funcall (conn, Intern_proxy_target_unbound, 0);
return;
}
case EM_PROXY_COMPLETED:
{
VALUE conn = ensure_conn(signature);
rb_funcall (conn, Intern_proxy_completed, 0);
return;
}
}
}
/*******************
event_error_handler
*******************/
static void event_error_handler(VALUE unused, VALUE err)
{
VALUE error_handler = rb_ivar_get(EmModule, Intern_at_error_handler);
rb_funcall (error_handler, Intern_call, 1, err);
}
/**********************
event_callback_wrapper
**********************/
static void event_callback_wrapper (const unsigned long signature, int event, const char *data_str, const unsigned long data_num)
{
struct em_event e;
e.signature = signature;
e.event = event;
e.data_str = data_str;
e.data_num = data_num;
if (!rb_ivar_defined(EmModule, Intern_at_error_handler))
event_callback(&e);
else
rb_rescue((VALUE (*)(ANYARGS))event_callback, (VALUE)&e, (VALUE (*)(ANYARGS))event_error_handler, Qnil);
}
/**************************
t_initialize_event_machine
**************************/
static VALUE t_initialize_event_machine (VALUE self)
{
EmConnsHash = rb_ivar_get (EmModule, Intern_at_conns);
EmTimersHash = rb_ivar_get (EmModule, Intern_at_timers);
assert(EmConnsHash != Qnil);
assert(EmTimersHash != Qnil);
evma_initialize_library ((EMCallback)event_callback_wrapper);
return Qnil;
}
/*****************************
t_run_machine_without_threads
*****************************/
static VALUE t_run_machine_without_threads (VALUE self)
{
evma_run_machine();
return Qnil;
}
/*******************
t_add_oneshot_timer
*******************/
static VALUE t_add_oneshot_timer (VALUE self, VALUE interval)
{
const unsigned long f = evma_install_oneshot_timer (FIX2INT (interval));
return ULONG2NUM (f);
}
/**************
t_start_server
**************/
static VALUE t_start_server (VALUE self, VALUE server, VALUE port)
{
const unsigned long f = evma_create_tcp_server (StringValuePtr(server), FIX2INT(port));
if (!f)
rb_raise (rb_eRuntimeError, "%s", "no acceptor (port is in use or requires root privileges)");
return ULONG2NUM (f);
}
/*************
t_stop_server
*************/
static VALUE t_stop_server (VALUE self, VALUE signature)
{
evma_stop_tcp_server (NUM2ULONG (signature));
return Qnil;
}
/*******************
t_start_unix_server
*******************/
static VALUE t_start_unix_server (VALUE self, VALUE filename)
{
const unsigned long f = evma_create_unix_domain_server (StringValuePtr(filename));
if (!f)
rb_raise (rb_eRuntimeError, "%s", "no unix-domain acceptor");
return ULONG2NUM (f);
}
/***********
t_send_data
***********/
static VALUE t_send_data (VALUE self, VALUE signature, VALUE data, VALUE data_length)
{
int b = evma_send_data_to_connection (NUM2ULONG (signature), StringValuePtr (data), FIX2INT (data_length));
return INT2NUM (b);
}
/***********
t_start_tls
***********/
static VALUE t_start_tls (VALUE self, VALUE signature)
{
evma_start_tls (NUM2ULONG (signature));
return Qnil;
}
/***************
t_set_tls_parms
***************/
static VALUE t_set_tls_parms (VALUE self, VALUE signature, VALUE privkeyfile, VALUE certchainfile, VALUE verify_peer, VALUE ssl_version, VALUE cipherlist)
{
/* set_tls_parms takes a series of positional arguments for specifying such things
* as private keys and certificate chains.
* It's expected that the parameter list will grow as we add more supported features.
* ALL of these parameters are optional, and can be specified as empty or NULL strings.
*/
evma_set_tls_parms (NUM2ULONG(signature), StringValuePtr(privkeyfile), StringValuePtr(certchainfile), (verify_peer == Qtrue ? 1 : 0), FIX2INT(ssl_version), StringValuePtr(cipherlist));
return Qnil;
}
/***************
t_get_peer_cert
***************/
static VALUE t_get_peer_cert (VALUE self, VALUE signature)
{
VALUE ret = Qnil;
#ifdef WITH_SSL
X509 *cert = NULL;
BUF_MEM *buf;
BIO *out;
cert = evma_get_peer_cert (NUM2ULONG (signature));
if (cert != NULL) {
out = BIO_new(BIO_s_mem());
PEM_write_bio_X509(out, cert);
BIO_get_mem_ptr(out, &buf);
ret = rb_str_new(buf->data, buf->length);
X509_free(cert);
BIO_free(out);
}
#endif
return ret;
}
/**************
t_get_peername
**************/
static VALUE t_get_peername (VALUE self, VALUE signature)
{
char buf[1024];
socklen_t len = sizeof buf;
if (evma_get_peername (NUM2ULONG (signature), (struct sockaddr_storage*)buf, &len)) {
return rb_str_new (buf, len);
}
return Qnil;
}
/**************
t_get_sockname
**************/
static VALUE t_get_sockname (VALUE self, VALUE signature)
{
char buf[1024];
socklen_t len = sizeof buf;
if (evma_get_sockname (NUM2ULONG (signature), (struct sockaddr_storage*)buf, &len)) {
return rb_str_new (buf, len);
}
return Qnil;
}
/********************
t_get_subprocess_pid
********************/
static VALUE t_get_subprocess_pid (VALUE self, VALUE signature)
{
pid_t pid;
if (evma_get_subprocess_pid (NUM2ULONG (signature), &pid)) {
return INT2NUM (pid);
}
return Qnil;
}
/***********************
t_get_subprocess_status
***********************/
static VALUE t_get_subprocess_status (VALUE self, VALUE signature)
{
VALUE proc_status = Qnil;
int status;
pid_t pid;
if (evma_get_subprocess_status (NUM2ULONG (signature), &status)) {
if (evma_get_subprocess_pid (NUM2ULONG (signature), &pid)) {
proc_status = rb_obj_alloc(rb_cProcStatus);
rb_iv_set(proc_status, "status", INT2FIX(status));
rb_iv_set(proc_status, "pid", INT2FIX(pid));
}
}
return proc_status;
}
/**********************
t_get_connection_count
**********************/
static VALUE t_get_connection_count (VALUE self)
{
return INT2NUM(evma_get_connection_count());
}
/*****************************
t_get_comm_inactivity_timeout
*****************************/
static VALUE t_get_comm_inactivity_timeout (VALUE self, VALUE signature)
{
return rb_float_new(evma_get_comm_inactivity_timeout(NUM2ULONG (signature)));
}
/*****************************
t_set_comm_inactivity_timeout
*****************************/
static VALUE t_set_comm_inactivity_timeout (VALUE self, VALUE signature, VALUE timeout)
{
float ti = RFLOAT_VALUE(timeout);
if (evma_set_comm_inactivity_timeout(NUM2ULONG(signature), ti)) {
return Qtrue;
}
return Qfalse;
}
/*****************************
t_get_pending_connect_timeout
*****************************/
static VALUE t_get_pending_connect_timeout (VALUE self, VALUE signature)
{
return rb_float_new(evma_get_pending_connect_timeout(NUM2ULONG (signature)));
}
/*****************************
t_set_pending_connect_timeout
*****************************/
static VALUE t_set_pending_connect_timeout (VALUE self, VALUE signature, VALUE timeout)
{
float ti = RFLOAT_VALUE(timeout);
if (evma_set_pending_connect_timeout(NUM2ULONG(signature), ti)) {
return Qtrue;
}
return Qfalse;
}
/***************
t_send_datagram
***************/
static VALUE t_send_datagram (VALUE self, VALUE signature, VALUE data, VALUE data_length, VALUE address, VALUE port)
{
int b = evma_send_datagram (NUM2ULONG (signature), StringValuePtr (data), FIX2INT (data_length), StringValuePtr(address), FIX2INT(port));
if (b < 0)
rb_raise (EM_eConnectionError, "%s", "error in sending datagram"); // FIXME: this could be more specific.
return INT2NUM (b);
}
/******************
t_close_connection
******************/
static VALUE t_close_connection (VALUE self, VALUE signature, VALUE after_writing)
{
evma_close_connection (NUM2ULONG (signature), ((after_writing == Qtrue) ? 1 : 0));
return Qnil;
}
/********************************
t_report_connection_error_status
********************************/
static VALUE t_report_connection_error_status (VALUE self, VALUE signature)
{
int b = evma_report_connection_error_status (NUM2ULONG (signature));
return INT2NUM (b);
}
/****************
t_connect_server
****************/
static VALUE t_connect_server (VALUE self, VALUE server, VALUE port)
{
// Avoid FIX2INT in this case, because it doesn't deal with type errors properly.
// Specifically, if the value of port comes in as a string rather than an integer,
// NUM2INT will throw a type error, but FIX2INT will generate garbage.
try {
const unsigned long f = evma_connect_to_server (NULL, 0, StringValuePtr(server), NUM2INT(port));
if (!f)
rb_raise (EM_eConnectionError, "%s", "no connection");
return ULONG2NUM (f);
} catch (std::runtime_error e) {
rb_raise (EM_eConnectionError, "%s", e.what());
}
return Qnil;
}
/*********************
t_bind_connect_server
*********************/
static VALUE t_bind_connect_server (VALUE self, VALUE bind_addr, VALUE bind_port, VALUE server, VALUE port)
{
// Avoid FIX2INT in this case, because it doesn't deal with type errors properly.
// Specifically, if the value of port comes in as a string rather than an integer,
// NUM2INT will throw a type error, but FIX2INT will generate garbage.
try {
const unsigned long f = evma_connect_to_server (StringValuePtr(bind_addr), NUM2INT(bind_port), StringValuePtr(server), NUM2INT(port));
if (!f)
rb_raise (EM_eConnectionError, "%s", "no connection");
return ULONG2NUM (f);
} catch (std::runtime_error e) {
rb_raise (EM_eConnectionError, "%s", e.what());
}
return Qnil;
}
/*********************
t_connect_unix_server
*********************/
static VALUE t_connect_unix_server (VALUE self, VALUE serversocket)
{
const unsigned long f = evma_connect_to_unix_server (StringValuePtr(serversocket));
if (!f)
rb_raise (rb_eRuntimeError, "%s", "no connection");
return ULONG2NUM (f);
}
/***********
t_attach_fd
***********/
static VALUE t_attach_fd (VALUE self, VALUE file_descriptor, VALUE watch_mode)
{
const unsigned long f = evma_attach_fd (NUM2INT(file_descriptor), watch_mode == Qtrue);
if (!f)
rb_raise (rb_eRuntimeError, "%s", "no connection");
return ULONG2NUM (f);
}
/***********
t_detach_fd
***********/
static VALUE t_detach_fd (VALUE self, VALUE signature)
{
return INT2NUM(evma_detach_fd (NUM2ULONG (signature)));
}
/***********
t_attach_server_fd
***********/
static VALUE t_attach_server_fd (VALUE self, VALUE file_descriptor, VALUE watch_mode)
{
const unsigned long f = evma_attach_server_fd (NUM2INT(file_descriptor));
if (!f)
rb_raise (rb_eRuntimeError, "%s", "no connection");
return ULONG2NUM (f);
}
/**************
t_get_sock_opt
**************/
static VALUE t_get_sock_opt (VALUE self, VALUE signature, VALUE lev, VALUE optname)
{
int fd = evma_get_file_descriptor (NUM2ULONG (signature));
int level = NUM2INT(lev), option = NUM2INT(optname);
socklen_t len = 128;
char buf[128];
if (getsockopt(fd, level, option, buf, &len) < 0)
rb_sys_fail("getsockopt");
return rb_str_new(buf, len);
}
/**************
t_set_sock_opt
**************/
static VALUE t_set_sock_opt (VALUE self, VALUE signature, VALUE lev, VALUE optname, VALUE optval)
{
int fd = evma_get_file_descriptor (NUM2ULONG (signature));
int level = NUM2INT(lev), option = NUM2INT(optname);
int i;
const void *v;
socklen_t len;
switch (TYPE(optval)) {
case T_FIXNUM:
i = FIX2INT(optval);
goto numval;
case T_FALSE:
i = 0;
goto numval;
case T_TRUE:
i = 1;
numval:
v = (void*)&i; len = sizeof(i);
break;
default:
StringValue(optval);
v = RSTRING_PTR(optval);
len = RSTRING_LENINT(optval);
break;
}
if (setsockopt(fd, level, option, (char *)v, len) < 0)
rb_sys_fail("setsockopt");
return INT2FIX(0);
}
/********************
t_is_notify_readable
********************/
static VALUE t_is_notify_readable (VALUE self, VALUE signature)
{
return evma_is_notify_readable(NUM2ULONG (signature)) ? Qtrue : Qfalse;
}
/*********************
t_set_notify_readable
*********************/
static VALUE t_set_notify_readable (VALUE self, VALUE signature, VALUE mode)
{
evma_set_notify_readable(NUM2ULONG (signature), mode == Qtrue);
return Qnil;
}
/********************
t_is_notify_readable
********************/
static VALUE t_is_notify_writable (VALUE self, VALUE signature)
{
return evma_is_notify_writable(NUM2ULONG (signature)) ? Qtrue : Qfalse;
}
/*********************
t_set_notify_writable
*********************/
static VALUE t_set_notify_writable (VALUE self, VALUE signature, VALUE mode)
{
evma_set_notify_writable(NUM2ULONG (signature), mode == Qtrue);
return Qnil;
}
/*********************
t_set_error_handling
*********************/
static VALUE t_set_error_handling (VALUE self, VALUE signature, VALUE mode)
{
evma_set_error_handling(NUM2ULONG (signature), NUM2INT(mode));
return Qnil;
}
/*******
t_pause
*******/
static VALUE t_pause (VALUE self, VALUE signature)
{
return evma_pause(NUM2ULONG (signature)) ? Qtrue : Qfalse;
}
/********
t_resume
********/
static VALUE t_resume (VALUE self, VALUE signature)
{
return evma_resume(NUM2ULONG (signature)) ? Qtrue : Qfalse;
}
/**********
t_paused_p
**********/
static VALUE t_paused_p (VALUE self, VALUE signature)
{
return evma_is_paused(NUM2ULONG (signature)) ? Qtrue : Qfalse;
}
/*********************
t_num_close_scheduled
*********************/
static VALUE t_num_close_scheduled (VALUE self)
{
return INT2FIX(evma_num_close_scheduled());
}
/*****************
t_open_udp_socket
*****************/
static VALUE t_open_udp_socket (VALUE self, VALUE server, VALUE port)
{
const unsigned long f = evma_open_datagram_socket (StringValuePtr(server), FIX2INT(port));
if (!f)
rb_raise (rb_eRuntimeError, "%s", "no datagram socket");
return ULONG2NUM (f);
}
/*****************
t_release_machine
*****************/
static VALUE t_release_machine (VALUE self)
{
evma_release_library();
return Qnil;
}
/******
t_stop
******/
static VALUE t_stop (VALUE self)
{
evma_stop_machine();
return Qnil;
}
/******************
t_signal_loopbreak
******************/
static VALUE t_signal_loopbreak (VALUE self)
{
evma_signal_loopbreak();
return Qnil;
}
/**************
t_library_type
**************/
static VALUE t_library_type (VALUE self)
{
return rb_eval_string (":extension");
}
/*******************
t_set_timer_quantum
*******************/
static VALUE t_set_timer_quantum (VALUE self, VALUE interval)
{
evma_set_timer_quantum (FIX2INT (interval));
return Qnil;
}
/***************
t_setuid_string
***************/
static VALUE t_setuid_string (VALUE self, VALUE username)
{
evma_setuid_string (StringValuePtr (username));
return Qnil;
}
/**************
t_invoke_popen
**************/
static VALUE t_invoke_popen (VALUE self, VALUE cmd)
{
// 1.8.7+
#ifdef RARRAY_LEN
int len = RARRAY_LEN(cmd);
#else
int len = RARRAY (cmd)->len;
#endif
if (len >= 2048)
rb_raise (rb_eRuntimeError, "%s", "too many arguments to popen");
char *strings [2048];
for (int i=0; i < len; i++) {
VALUE ix = INT2FIX (i);
VALUE s = rb_ary_aref (1, &ix, cmd);
strings[i] = StringValuePtr (s);
}
strings[len] = NULL;
const unsigned long f = evma_popen (strings);
if (!f) {
char *err = strerror (errno);
char buf[100];
memset (buf, 0, sizeof(buf));
snprintf (buf, sizeof(buf)-1, "no popen: %s", (err?err:"???"));
rb_raise (rb_eRuntimeError, "%s", buf);
}
return ULONG2NUM (f);
}
/***************
t_read_keyboard
***************/
static VALUE t_read_keyboard (VALUE self)
{
const unsigned long f = evma_open_keyboard();
if (!f)
rb_raise (rb_eRuntimeError, "%s", "no keyboard reader");
return ULONG2NUM (f);
}
/****************
t_watch_filename
****************/
static VALUE t_watch_filename (VALUE self, VALUE fname)
{
try {
return ULONG2NUM(evma_watch_filename(StringValuePtr(fname)));
} catch (std::runtime_error e) {
rb_raise (EM_eUnsupported, "%s", e.what());
}
return Qnil;
}
/******************
t_unwatch_filename
******************/
static VALUE t_unwatch_filename (VALUE self, VALUE sig)
{
evma_unwatch_filename(NUM2ULONG (sig));
return Qnil;
}
/***********
t_watch_pid
***********/
static VALUE t_watch_pid (VALUE self, VALUE pid)
{
try {
return ULONG2NUM(evma_watch_pid(NUM2INT(pid)));
} catch (std::runtime_error e) {
rb_raise (EM_eUnsupported, "%s", e.what());
}
return Qnil;
}
/*************
t_unwatch_pid
*************/
static VALUE t_unwatch_pid (VALUE self, VALUE sig)
{
evma_unwatch_pid(NUM2ULONG (sig));
return Qnil;
}
/**********
t__epoll_p
**********/
static VALUE t__epoll_p (VALUE self)
{
#ifdef HAVE_EPOLL
return Qtrue;
#else
return Qfalse;
#endif
}
/********
t__epoll
********/
static VALUE t__epoll (VALUE self)
{
evma_set_epoll (1);
return Qtrue;
}
/***********
t__epoll_set
***********/
static VALUE t__epoll_set (VALUE self, VALUE val)
{
if (t__epoll_p(self) == Qfalse)
rb_raise (EM_eUnsupported, "%s", "epoll is not supported on this platform");
evma_set_epoll (val == Qtrue ? 1 : 0);
return val;
}
/***********
t__kqueue_p
***********/
static VALUE t__kqueue_p (VALUE self)
{
#ifdef HAVE_KQUEUE
return Qtrue;
#else
return Qfalse;
#endif
}
/*********
t__kqueue
*********/
static VALUE t__kqueue (VALUE self)
{
evma_set_kqueue (1);
return Qtrue;
}
/*************
t__kqueue_set
*************/
static VALUE t__kqueue_set (VALUE self, VALUE val)
{
if (t__kqueue_p(self) == Qfalse)
rb_raise (EM_eUnsupported, "%s", "kqueue is not supported on this platform");
evma_set_kqueue (val == Qtrue ? 1 : 0);
return val;
}
/********
t__ssl_p
********/
static VALUE t__ssl_p (VALUE self)
{
#ifdef WITH_SSL
return Qtrue;
#else
return Qfalse;
#endif
}
/****************
t_send_file_data
****************/
static VALUE t_send_file_data (VALUE self, VALUE signature, VALUE filename)
{
/* The current implementation of evma_send_file_data_to_connection enforces a strict
* upper limit on the file size it will transmit (currently 32K). The function returns
* zero on success, -1 if the requested file exceeds its size limit, and a positive
* number for other errors.
* TODO: Positive return values are actually errno's, which is probably the wrong way to
* do this. For one thing it's ugly. For another, we can't be sure zero is never a real errno.
*/
int b = evma_send_file_data_to_connection (NUM2ULONG (signature), StringValuePtr(filename));
if (b == -1)
rb_raise(rb_eRuntimeError, "%s", "File too large. send_file_data() supports files under 32k.");
if (b > 0) {
char *err = strerror (b);
char buf[1024];
memset (buf, 0, sizeof(buf));
snprintf (buf, sizeof(buf)-1, ": %s %s", StringValuePtr(filename),(err?err:"???"));
rb_raise (rb_eIOError, "%s", buf);
}
return INT2NUM (0);
}
/*******************
t_set_rlimit_nofile
*******************/
static VALUE t_set_rlimit_nofile (VALUE self, VALUE arg)
{
arg = (NIL_P(arg)) ? -1 : NUM2INT (arg);
return INT2NUM (evma_set_rlimit_nofile (arg));
}
/***************************
conn_get_outbound_data_size
***************************/
static VALUE conn_get_outbound_data_size (VALUE self)
{
VALUE sig = rb_ivar_get (self, Intern_at_signature);
return INT2NUM (evma_get_outbound_data_size (NUM2ULONG (sig)));
}
/******************************
conn_associate_callback_target
******************************/
static VALUE conn_associate_callback_target (VALUE self, VALUE sig)
{
// No-op for the time being.
return Qnil;
}
/***************
t_get_loop_time
****************/
static VALUE t_get_loop_time (VALUE self)
{
#ifndef HAVE_RB_TIME_NEW
static VALUE cTime = rb_path2class("Time");
static ID at = rb_intern("at");
#endif
uint64_t current_time = evma_get_current_loop_time();
if (current_time != 0) {
#ifndef HAVE_RB_TIME_NEW
return rb_funcall(cTime, at, 2, INT2NUM(current_time / 1000000), INT2NUM(current_time % 1000000));
#else
return rb_time_new(current_time / 1000000, current_time % 1000000);
#endif
}
return Qnil;
}
/*************
t_start_proxy
**************/
static VALUE t_start_proxy (VALUE self, VALUE from, VALUE to, VALUE bufsize, VALUE length)
{
try {
evma_start_proxy(NUM2ULONG (from), NUM2ULONG (to), NUM2ULONG(bufsize), NUM2ULONG(length));
} catch (std::runtime_error e) {
rb_raise (EM_eConnectionError, "%s", e.what());
}
return Qnil;
}
/************
t_stop_proxy
*************/
static VALUE t_stop_proxy (VALUE self, VALUE from)
{
try{
evma_stop_proxy(NUM2ULONG (from));
} catch (std::runtime_error e) {
rb_raise (EM_eConnectionError, "%s", e.what());
}
return Qnil;
}
/***************
t_proxied_bytes
****************/
static VALUE t_proxied_bytes (VALUE self, VALUE from)
{
try{
return ULONG2NUM(evma_proxied_bytes(NUM2ULONG (from)));
} catch (std::runtime_error e) {
rb_raise (EM_eConnectionError, "%s", e.what());
}
return Qnil;
}
/***************
t_get_idle_time
****************/
static VALUE t_get_idle_time (VALUE self, VALUE from)
{
try{
uint64_t current_time = evma_get_current_loop_time();
uint64_t time = evma_get_last_activity_time(NUM2ULONG (from));
if (current_time != 0 && time != 0) {
if (time >= current_time)
return ULONG2NUM(0);
else {
uint64_t diff = current_time - time;
float seconds = diff / (1000.0*1000.0);
return rb_float_new(seconds);
}
return Qnil;
}
} catch (std::runtime_error e) {
rb_raise (EM_eConnectionError, "%s", e.what());
}
return Qnil;
}
/************************
t_get_heartbeat_interval
*************************/
static VALUE t_get_heartbeat_interval (VALUE self)
{
return rb_float_new(evma_get_heartbeat_interval());
}
/************************
t_set_heartbeat_interval
*************************/
static VALUE t_set_heartbeat_interval (VALUE self, VALUE interval)
{
float iv = RFLOAT_VALUE(interval);
if (evma_set_heartbeat_interval(iv))
return Qtrue;
return Qfalse;
}
/*********************
Init_rubyeventmachine
*********************/
extern "C" void Init_rubyeventmachine()
{
// Lookup Process::Status for get_subprocess_status
VALUE rb_mProcess = rb_const_get(rb_cObject, rb_intern("Process"));
rb_cProcStatus = rb_const_get(rb_mProcess, rb_intern("Status"));
// Tuck away some symbol values so we don't have to look 'em up every time we need 'em.
Intern_at_signature = rb_intern ("@signature");
Intern_at_timers = rb_intern ("@timers");
Intern_at_conns = rb_intern ("@conns");
Intern_at_error_handler = rb_intern("@error_handler");
Intern_event_callback = rb_intern ("event_callback");
Intern_run_deferred_callbacks = rb_intern ("run_deferred_callbacks");
Intern_delete = rb_intern ("delete");
Intern_call = rb_intern ("call");
Intern_receive_data = rb_intern ("receive_data");
Intern_receive_error = rb_intern ("receive_error");
Intern_ssl_handshake_completed = rb_intern ("ssl_handshake_completed");
Intern_ssl_verify_peer = rb_intern ("ssl_verify_peer");
Intern_notify_readable = rb_intern ("notify_readable");
Intern_notify_writable = rb_intern ("notify_writable");
Intern_proxy_target_unbound = rb_intern ("proxy_target_unbound");
Intern_proxy_completed = rb_intern ("proxy_completed");
Intern_connection_completed = rb_intern ("connection_completed");
// INCOMPLETE, we need to define class Connections inside module EventMachine
// run_machine and run_machine_without_threads are now identical.
// Must deprecate the without_threads variant.
EmModule = rb_define_module ("EventMachine");
EmConnection = rb_define_class_under (EmModule, "Connection", rb_cObject);
rb_define_class_under (EmModule, "NoHandlerForAcceptedConnection", rb_eRuntimeError);
EM_eConnectionError = rb_define_class_under (EmModule, "ConnectionError", rb_eRuntimeError);
EM_eConnectionNotBound = rb_define_class_under (EmModule, "ConnectionNotBound", rb_eRuntimeError);
EM_eUnknownTimerFired = rb_define_class_under (EmModule, "UnknownTimerFired", rb_eRuntimeError);
EM_eUnsupported = rb_define_class_under (EmModule, "Unsupported", rb_eRuntimeError);
rb_define_module_function (EmModule, "initialize_event_machine", (VALUE(*)(...))t_initialize_event_machine, 0);
rb_define_module_function (EmModule, "run_machine", (VALUE(*)(...))t_run_machine_without_threads, 0);
rb_define_module_function (EmModule, "run_machine_without_threads", (VALUE(*)(...))t_run_machine_without_threads, 0);
rb_define_module_function (EmModule, "add_oneshot_timer", (VALUE(*)(...))t_add_oneshot_timer, 1);
rb_define_module_function (EmModule, "start_tcp_server", (VALUE(*)(...))t_start_server, 2);
rb_define_module_function (EmModule, "stop_tcp_server", (VALUE(*)(...))t_stop_server, 1);
rb_define_module_function (EmModule, "start_unix_server", (VALUE(*)(...))t_start_unix_server, 1);
rb_define_module_function (EmModule, "set_tls_parms", (VALUE(*)(...))t_set_tls_parms, 6);
rb_define_module_function (EmModule, "start_tls", (VALUE(*)(...))t_start_tls, 1);
rb_define_module_function (EmModule, "get_peer_cert", (VALUE(*)(...))t_get_peer_cert, 1);
rb_define_module_function (EmModule, "send_data", (VALUE(*)(...))t_send_data, 3);
rb_define_module_function (EmModule, "send_datagram", (VALUE(*)(...))t_send_datagram, 5);
rb_define_module_function (EmModule, "close_connection", (VALUE(*)(...))t_close_connection, 2);
rb_define_module_function (EmModule, "report_connection_error_status", (VALUE(*)(...))t_report_connection_error_status, 1);
rb_define_module_function (EmModule, "connect_server", (VALUE(*)(...))t_connect_server, 2);
rb_define_module_function (EmModule, "bind_connect_server", (VALUE(*)(...))t_bind_connect_server, 4);
rb_define_module_function (EmModule, "connect_unix_server", (VALUE(*)(...))t_connect_unix_server, 1);
rb_define_module_function (EmModule, "attach_fd", (VALUE (*)(...))t_attach_fd, 2);
rb_define_module_function (EmModule, "detach_fd", (VALUE (*)(...))t_detach_fd, 1);
rb_define_module_function (EmModule, "attach_server_fd", (VALUE (*)(...))t_attach_server_fd, 1);
rb_define_module_function (EmModule, "get_sock_opt", (VALUE (*)(...))t_get_sock_opt, 3);
rb_define_module_function (EmModule, "set_sock_opt", (VALUE (*)(...))t_set_sock_opt, 4);
rb_define_module_function (EmModule, "set_notify_readable", (VALUE (*)(...))t_set_notify_readable, 2);
rb_define_module_function (EmModule, "set_notify_writable", (VALUE (*)(...))t_set_notify_writable, 2);
rb_define_module_function (EmModule, "set_error_handling", (VALUE (*)(...))t_set_error_handling, 2);
rb_define_module_function (EmModule, "is_notify_readable", (VALUE (*)(...))t_is_notify_readable, 1);
rb_define_module_function (EmModule, "is_notify_writable", (VALUE (*)(...))t_is_notify_writable, 1);
rb_define_module_function (EmModule, "pause_connection", (VALUE (*)(...))t_pause, 1);
rb_define_module_function (EmModule, "resume_connection", (VALUE (*)(...))t_resume, 1);
rb_define_module_function (EmModule, "connection_paused?", (VALUE (*)(...))t_paused_p, 1);
rb_define_module_function (EmModule, "num_close_scheduled", (VALUE (*)(...))t_num_close_scheduled, 0);
rb_define_module_function (EmModule, "start_proxy", (VALUE (*)(...))t_start_proxy, 4);
rb_define_module_function (EmModule, "stop_proxy", (VALUE (*)(...))t_stop_proxy, 1);
rb_define_module_function (EmModule, "get_proxied_bytes", (VALUE (*)(...))t_proxied_bytes, 1);
rb_define_module_function (EmModule, "watch_filename", (VALUE (*)(...))t_watch_filename, 1);
rb_define_module_function (EmModule, "unwatch_filename", (VALUE (*)(...))t_unwatch_filename, 1);
rb_define_module_function (EmModule, "watch_pid", (VALUE (*)(...))t_watch_pid, 1);
rb_define_module_function (EmModule, "unwatch_pid", (VALUE (*)(...))t_unwatch_pid, 1);
rb_define_module_function (EmModule, "current_time", (VALUE(*)(...))t_get_loop_time, 0);
rb_define_module_function (EmModule, "open_udp_socket", (VALUE(*)(...))t_open_udp_socket, 2);
rb_define_module_function (EmModule, "read_keyboard", (VALUE(*)(...))t_read_keyboard, 0);
rb_define_module_function (EmModule, "release_machine", (VALUE(*)(...))t_release_machine, 0);
rb_define_module_function (EmModule, "stop", (VALUE(*)(...))t_stop, 0);
rb_define_module_function (EmModule, "signal_loopbreak", (VALUE(*)(...))t_signal_loopbreak, 0);
rb_define_module_function (EmModule, "library_type", (VALUE(*)(...))t_library_type, 0);
rb_define_module_function (EmModule, "set_timer_quantum", (VALUE(*)(...))t_set_timer_quantum, 1);
rb_define_module_function (EmModule, "setuid_string", (VALUE(*)(...))t_setuid_string, 1);
rb_define_module_function (EmModule, "invoke_popen", (VALUE(*)(...))t_invoke_popen, 1);
rb_define_module_function (EmModule, "send_file_data", (VALUE(*)(...))t_send_file_data, 2);
rb_define_module_function (EmModule, "get_heartbeat_interval", (VALUE(*)(...))t_get_heartbeat_interval, 0);
rb_define_module_function (EmModule, "set_heartbeat_interval", (VALUE(*)(...))t_set_heartbeat_interval, 1);
rb_define_module_function (EmModule, "get_idle_time", (VALUE(*)(...))t_get_idle_time, 1);
rb_define_module_function (EmModule, "get_peername", (VALUE(*)(...))t_get_peername, 1);
rb_define_module_function (EmModule, "get_sockname", (VALUE(*)(...))t_get_sockname, 1);
rb_define_module_function (EmModule, "get_subprocess_pid", (VALUE(*)(...))t_get_subprocess_pid, 1);
rb_define_module_function (EmModule, "get_subprocess_status", (VALUE(*)(...))t_get_subprocess_status, 1);
rb_define_module_function (EmModule, "get_comm_inactivity_timeout", (VALUE(*)(...))t_get_comm_inactivity_timeout, 1);
rb_define_module_function (EmModule, "set_comm_inactivity_timeout", (VALUE(*)(...))t_set_comm_inactivity_timeout, 2);
rb_define_module_function (EmModule, "get_pending_connect_timeout", (VALUE(*)(...))t_get_pending_connect_timeout, 1);
rb_define_module_function (EmModule, "set_pending_connect_timeout", (VALUE(*)(...))t_set_pending_connect_timeout, 2);
rb_define_module_function (EmModule, "set_rlimit_nofile", (VALUE(*)(...))t_set_rlimit_nofile, 1);
rb_define_module_function (EmModule, "get_connection_count", (VALUE(*)(...))t_get_connection_count, 0);
rb_define_module_function (EmModule, "epoll", (VALUE(*)(...))t__epoll, 0);
rb_define_module_function (EmModule, "epoll=", (VALUE(*)(...))t__epoll_set, 1);
rb_define_module_function (EmModule, "epoll?", (VALUE(*)(...))t__epoll_p, 0);
rb_define_module_function (EmModule, "kqueue", (VALUE(*)(...))t__kqueue, 0);
rb_define_module_function (EmModule, "kqueue=", (VALUE(*)(...))t__kqueue_set, 1);
rb_define_module_function (EmModule, "kqueue?", (VALUE(*)(...))t__kqueue_p, 0);
rb_define_module_function (EmModule, "ssl?", (VALUE(*)(...))t__ssl_p, 0);
rb_define_method (EmConnection, "get_outbound_data_size", (VALUE(*)(...))conn_get_outbound_data_size, 0);
rb_define_method (EmConnection, "associate_callback_target", (VALUE(*)(...))conn_associate_callback_target, 1);
rb_define_const (EmModule, "TimerFired", INT2NUM(100));
rb_define_const (EmModule, "ConnectionData", INT2NUM(101));
rb_define_const (EmModule, "ConnectionUnbound", INT2NUM(102));
rb_define_const (EmModule, "ConnectionAccepted", INT2NUM(103));
rb_define_const (EmModule, "ConnectionCompleted", INT2NUM(104));
rb_define_const (EmModule, "LoopbreakSignalled", INT2NUM(105));
rb_define_const (EmModule, "ConnectionNotifyReadable", INT2NUM(106));
rb_define_const (EmModule, "ConnectionNotifyWritable", INT2NUM(107));
rb_define_const (EmModule, "SslHandshakeCompleted", INT2NUM(108));
}
Server : Apache/2.4.41 (Ubuntu)