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提交 d208484a authored 作者: William King's avatar William King
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Fixing linefeed for mod_managed

上级 c15663cb
隐藏空白字符变更
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正在显示 包含 44389 行增加 和 44389 行删除
src/mod/languages/mod_managed/freeswitch_managed.cpp
浏览文件 @ d208484a
/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application - mod_managed
* Copyright (C) 2008, Michael Giagnocavo <mgg@packetrino.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application - mod_managed
*
* The Initial Developer of the Original Code is
* Michael Giagnocavo <mgg@packetrino.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Michael Giagnocavo <mgg@packetrino.com>
* Jeff Lenk <jlenk@frontiernet.net> - Modified class to support Dotnet
*
* freeswitch_managed.cpp -- Managed CoreSession subclasses
*
*/
#include <switch.h>
#include <switch_cpp.h>
#include "freeswitch_managed.h"
#ifdef _MANAGED
#pragma unmanaged
#endif
ManagedSession::ManagedSession():CoreSession()
{
}
ManagedSession::ManagedSession(char *uuid):CoreSession(uuid)
{
}
ManagedSession::ManagedSession(switch_core_session_t *session):CoreSession(session)
{
}
bool ManagedSession::begin_allow_threads()
{
return true;
}
bool ManagedSession::end_allow_threads()
{
return true;
}
ManagedSession::~ManagedSession()
{
ATTACH_THREADS
// Do auto-hangup ourselves because CoreSession can't call check_hangup_hook
// after ManagedSession destruction (cause at point it's pure virtual)
if (session) {
if (switch_test_flag(this, S_HUP) && !switch_channel_test_flag(channel, CF_TRANSFER)) {
switch_channel_hangup(channel, SWITCH_CAUSE_NORMAL_CLEARING);
setAutoHangup(0);
}
// Don't let any callbacks use this CoreSession anymore
switch_channel_set_private(channel, "CoreSession", NULL);
}
}
void ManagedSession::check_hangup_hook()
{
ATTACH_THREADS
if (!hangupDelegate) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "hangupDelegate is null.");
return;
}
hangupDelegate();
}
switch_status_t ManagedSession::run_dtmf_callback(void *input, switch_input_type_t itype)
{
ATTACH_THREADS
if (!dtmfDelegate) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "dtmfDelegate is null.");
return SWITCH_STATUS_FALSE;;
}
char *result = dtmfDelegate(input, itype);
switch_status_t status = process_callback_result(result);
RESULT_FREE(result);
return status;
}
static switch_status_t stateHangupHandler(switch_core_session_t *session) {
return SWITCH_STATUS_FALSE;
}
/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application - mod_managed
* Copyright (C) 2008, Michael Giagnocavo <mgg@packetrino.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application - mod_managed
*
* The Initial Developer of the Original Code is
* Michael Giagnocavo <mgg@packetrino.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Michael Giagnocavo <mgg@packetrino.com>
* Jeff Lenk <jlenk@frontiernet.net> - Modified class to support Dotnet
*
* freeswitch_managed.cpp -- Managed CoreSession subclasses
*
*/
#include <switch.h>
#include <switch_cpp.h>
#include "freeswitch_managed.h"
#ifdef _MANAGED
#pragma unmanaged
#endif
ManagedSession::ManagedSession():CoreSession()
{
}
ManagedSession::ManagedSession(char *uuid):CoreSession(uuid)
{
}
ManagedSession::ManagedSession(switch_core_session_t *session):CoreSession(session)
{
}
bool ManagedSession::begin_allow_threads()
{
return true;
}
bool ManagedSession::end_allow_threads()
{
return true;
}
ManagedSession::~ManagedSession()
{
ATTACH_THREADS
// Do auto-hangup ourselves because CoreSession can't call check_hangup_hook
// after ManagedSession destruction (cause at point it's pure virtual)
if (session) {
if (switch_test_flag(this, S_HUP) && !switch_channel_test_flag(channel, CF_TRANSFER)) {
switch_channel_hangup(channel, SWITCH_CAUSE_NORMAL_CLEARING);
setAutoHangup(0);
}
// Don't let any callbacks use this CoreSession anymore
switch_channel_set_private(channel, "CoreSession", NULL);
}
}
void ManagedSession::check_hangup_hook()
{
ATTACH_THREADS
if (!hangupDelegate) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "hangupDelegate is null.");
return;
}
hangupDelegate();
}
switch_status_t ManagedSession::run_dtmf_callback(void *input, switch_input_type_t itype)
{
ATTACH_THREADS
if (!dtmfDelegate) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "dtmfDelegate is null.");
return SWITCH_STATUS_FALSE;;
}
char *result = dtmfDelegate(input, itype);
switch_status_t status = process_callback_result(result);
RESULT_FREE(result);
return status;
}
static switch_status_t stateHangupHandler(switch_core_session_t *session) {
return SWITCH_STATUS_FALSE;
}
src/mod/languages/mod_managed/freeswitch_wrap.2010.cxx
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src/mod/languages/mod_managed/mod_managed.cpp
浏览文件 @ d208484a
/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application - mod_managed
* Copyright (C) 2008, Michael Giagnocavo <mgg@packetrino.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application - mod_managed
*
* The Initial Developer of the Original Code is
* Michael Giagnocavo <mgg@packetrino.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Michael Giagnocavo <mgg@giagnocavo.net>
* David Brazier <David.Brazier@360crm.co.uk>
* Jeff Lenk <jlenk@frontiernet.net>
*
* mod_mono.cpp -- FreeSWITCH mod_mono main class
*
* Most of mod_mono is implmented in the mod_mono_managed Loader class.
* The native code just handles getting the Mono runtime up and down
* and passing pointers into managed code.
*/
#include <switch.h>
#include "freeswitch_managed.h"
#ifdef _MANAGED
#include <mscoree.h>
using namespace System;
using namespace System::Runtime::InteropServices;
#define MOD_MANAGED_VERSION "Microsoft CLR Version"
#else
#define MOD_MANAGED_VERSION "Mono Version"
#endif
SWITCH_BEGIN_EXTERN_C
SWITCH_MODULE_LOAD_FUNCTION(mod_managed_load);
SWITCH_MODULE_DEFINITION_EX(mod_managed, mod_managed_load, NULL, NULL, SMODF_GLOBAL_SYMBOLS);
SWITCH_STANDARD_API(managedrun_api_function); /* ExecuteBackground */
SWITCH_STANDARD_API(managed_api_function); /* Execute */
SWITCH_STANDARD_APP(managed_app_function); /* Run */
SWITCH_STANDARD_API(managedreload_api_function); /* Reload */
SWITCH_STANDARD_API(managedlist_api_function); /* List modules */
#define MOD_MANAGED_ASM_NAME "FreeSWITCH.Managed"
#define MOD_MANAGED_ASM_V1 1
#define MOD_MANAGED_ASM_V2 0
#define MOD_MANAGED_ASM_V3 2
#define MOD_MANAGED_ASM_V4 0
#define MOD_MANAGED_DLL MOD_MANAGED_ASM_NAME ".dll"
#define MOD_MANAGED_IMAGE_NAME "FreeSWITCH"
#define MOD_MANAGED_CLASS_NAME "Loader"
mod_managed_globals globals = { 0 };
// Global delegates to call managed functions
typedef int (*runFunction)(const char *data, void *sessionPtr);
typedef int (*executeFunction)(const char *cmd, void *stream, void *Event);
typedef int (*executeBackgroundFunction)(const char* cmd);
typedef int (*reloadFunction)(const char* cmd);
typedef int (*listFunction)(const char* cmd);
static runFunction runDelegate;
static executeFunction executeDelegate;
static executeBackgroundFunction executeBackgroundDelegate;
static reloadFunction reloadDelegate;
static listFunction listDelegate;
SWITCH_MOD_DECLARE_NONSTD(void) InitManagedDelegates(runFunction run, executeFunction execute, executeBackgroundFunction executeBackground, reloadFunction reload, listFunction list)
{
runDelegate = run;
executeDelegate = execute;
executeBackgroundDelegate = executeBackground;
reloadDelegate = reload;
listDelegate = list;
}
// Sets up delegates (and anything else needed) on the ManagedSession object
// Called from ManagedSession.Initialize Managed -> this is Unmanaged code so all pointers are marshalled and prevented from GC
// Exported method.
SWITCH_MOD_DECLARE_NONSTD(void) InitManagedSession(ManagedSession *session, inputFunction dtmfDelegate, hangupFunction hangupDelegate)
{
switch_assert(session);
if (!session) {
return;
}
session->setDTMFCallback(NULL, "");
session->setHangupHook(NULL);
session->dtmfDelegate = dtmfDelegate;
session->hangupDelegate = hangupDelegate;
}
#ifndef _MANAGED
#ifdef WIN32
#include <shlobj.h>
#endif
switch_status_t setMonoDirs()
{
#ifdef WIN32
// Win32 Mono installs can't figure out their own path
// Guys in #mono say we should just deploy all the libs we need
// We'll first check for Program Files\Mono to allow people to use the symlink dir for a specific version.
// Then we'll check HKEY_LOCAL_MACHINE\SOFTWARE\Novell\Mono\2.0\FrameworkAssemblyDirectory and MonoConfigDir
// After that, we'll scan program files for a Mono-* dir.
char progFilesPath[MAX_PATH];
char libPath[MAX_PATH];
char etcPath[MAX_PATH];
char findPath[MAX_PATH];
bool found = false;
SHGetFolderPath(NULL, CSIDL_PROGRAM_FILES, NULL, SHGFP_TYPE_CURRENT, progFilesPath);
{ // Check PF\Mono directly
DWORD attr;
switch_snprintf(findPath, MAX_PATH, "%s\\Mono", progFilesPath);
attr = GetFileAttributes(findPath);
found = (attr != INVALID_FILE_ATTRIBUTES && ((attr & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY));
if (found) {
switch_snprintf(libPath, MAX_PATH, "%s\\lib", findPath);
switch_snprintf(etcPath, MAX_PATH, "%s\\etc", findPath);
}
}
if (!found) { // Check registry
DWORD size = MAX_PATH;
if (ERROR_SUCCESS == RegGetValue(HKEY_LOCAL_MACHINE, "SOFTWARE\\Novell\\Mono\\2.0", "FrameworkAssemblyDirectory", RRF_RT_REG_SZ, NULL, &libPath, &size)) {
size = MAX_PATH;
if (ERROR_SUCCESS == RegGetValue(HKEY_LOCAL_MACHINE, "SOFTWARE\\Novell\\Mono\\2.0", "MonoConfigDir", RRF_RT_REG_SZ, NULL, &etcPath, &size)) {
found = true;
}
}
}
if (!found) { // Scan program files for Mono-2something
HANDLE hFind;
WIN32_FIND_DATA findData;
switch_snprintf(findPath, MAX_PATH, "%s\\Mono-2*", progFilesPath);
hFind = FindFirstFile(findPath, &findData);
if (hFind == INVALID_HANDLE_VALUE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error looking for Mono in Program Files.\n");
return SWITCH_STATUS_FALSE;
}
while ((findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != FILE_ATTRIBUTE_DIRECTORY) {
if (FindNextFile(hFind, &findData) == 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not find Mono directory in Program Files.\n");
FindClose(hFind);
return SWITCH_STATUS_FALSE;
}
}
switch_snprintf(libPath, MAX_PATH, "%s\\%s\\lib", progFilesPath, findData.cFileName);
switch_snprintf(etcPath, MAX_PATH, "%s\\%s\\etc", progFilesPath, findData.cFileName);
FindClose(hFind);
}
/* Got it */
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Using Mono paths '%s' and '%s'.\n", libPath, etcPath);
mono_set_dirs(libPath, etcPath);
return SWITCH_STATUS_SUCCESS;
#else
// On other platforms, it should just work if it hasn't been relocated
mono_set_dirs(NULL, NULL);
return SWITCH_STATUS_SUCCESS;
#endif
}
switch_status_t loadRuntime()
{
/* Find and load mod_mono_managed.exe */
char filename[256];
if (setMonoDirs() != SWITCH_STATUS_SUCCESS) {
return SWITCH_STATUS_FALSE;
}
#ifndef WIN32
// So linux can find the .so
char xmlConfig[300];
switch_snprintf(xmlConfig, 300, "<configuration><dllmap dll=\"mod_managed\" target=\"%s%smod_managed.so\"/></configuration>", SWITCH_GLOBAL_dirs.mod_dir, SWITCH_PATH_SEPARATOR);
mono_config_parse(NULL);
mono_config_parse_memory(xmlConfig);
#endif
switch_snprintf(filename, 256, "%s%s%s", SWITCH_GLOBAL_dirs.mod_dir, SWITCH_PATH_SEPARATOR, MOD_MANAGED_DLL);
globals.domain = mono_jit_init(filename);
/* Already got a Mono domain? */
if ((globals.domain = mono_get_root_domain())) {
mono_thread_attach(globals.domain);
globals.embedded = SWITCH_TRUE;
} else {
if (!(globals.domain = mono_jit_init(filename))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "mono_jit_init failed.\n");
return SWITCH_STATUS_FALSE;
}
}
/* Already loaded? */
MonoAssemblyName *name = mono_assembly_name_new (MOD_MANAGED_ASM_NAME);
//Note also that it can't be allocated on the stack anymore and you'll need to create and destroy it with the following API:
//mono_assembly_name_free (name);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Calling mono_assembly_loaded.\n");
if (!(globals.mod_mono_asm = mono_assembly_loaded(name))) {
/* Open the assembly */
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Calling mono_domain_assembly_open.\n");
globals.mod_mono_asm = mono_domain_assembly_open(globals.domain, filename);
if (!globals.mod_mono_asm) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "mono_domain_assembly_open failed.\n");
return SWITCH_STATUS_FALSE;
}
}
return SWITCH_STATUS_SUCCESS;
}
MonoMethod * getMethod(const char *name, MonoClass * klass)
{
MonoMethodDesc * desc;
MonoMethod * method;
desc = mono_method_desc_new(name, TRUE);
method = mono_method_desc_search_in_class(desc, klass);
if (!method) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not find %s method.\n", name);
return NULL;
}
return method;
}
switch_status_t findLoader()
{
/* Find loader class and methods */
MonoClass * loaderClass;
MonoImage * img = mono_assembly_get_image(globals.mod_mono_asm);
if (!(loaderClass = mono_class_from_name(img, MOD_MANAGED_IMAGE_NAME, MOD_MANAGED_CLASS_NAME))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not find " MOD_MANAGED_IMAGE_NAME "." MOD_MANAGED_CLASS_NAME " class.\n");
return SWITCH_STATUS_FALSE;
}
if (!(globals.loadMethod = getMethod(MOD_MANAGED_IMAGE_NAME "." MOD_MANAGED_CLASS_NAME ":Load()", loaderClass))) {
return SWITCH_STATUS_FALSE;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Found all loader functions.\n");
return SWITCH_STATUS_SUCCESS;
}
#endif
/**********************************************************
CLR Code Starts Here
**********************************************************/
#ifdef _MANAGED
switch_status_t loadRuntime()
{
/* Find and load mod_dotnet_managed.dll */
char filename[256];
switch_snprintf(filename, 256, "%s%s%s", SWITCH_GLOBAL_dirs.mod_dir, SWITCH_PATH_SEPARATOR, MOD_MANAGED_DLL);
wchar_t modpath[256];
mbstowcs(modpath, filename, 255);
try {
FreeSwitchManaged::mod_dotnet_managed = Assembly::LoadFrom(gcnew String(modpath));
} catch (Exception^ ex) {
IntPtr msg = Marshal::StringToHGlobalAnsi(ex->ToString());
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Assembly::LoadFrom failed: %s\n", static_cast<const char*>(msg.ToPointer()));
Marshal::FreeHGlobal(msg);
return SWITCH_STATUS_FALSE;
}
return SWITCH_STATUS_SUCCESS;
}
switch_status_t findLoader()
{
try {
FreeSwitchManaged::loadMethod = FreeSwitchManaged::mod_dotnet_managed->GetType(MOD_MANAGED_IMAGE_NAME "." MOD_MANAGED_CLASS_NAME)->GetMethod("Load");
} catch(Exception^ ex) {
IntPtr msg = Marshal::StringToHGlobalAnsi(ex->ToString());
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not load " MOD_MANAGED_IMAGE_NAME "." MOD_MANAGED_CLASS_NAME " class: %s\n", static_cast<const char*>(msg.ToPointer()));
Marshal::FreeHGlobal(msg);
return SWITCH_STATUS_FALSE;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Found all " MOD_MANAGED_IMAGE_NAME "." MOD_MANAGED_CLASS_NAME " functions.\n");
return SWITCH_STATUS_SUCCESS;
}
#endif
SWITCH_MODULE_LOAD_FUNCTION(mod_managed_load)
{
int success;
/* connect my internal structure to the blank pointer passed to me */
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Loading mod_managed (Common Language Infrastructure), " MOD_MANAGED_VERSION "\n");
globals.pool = pool;
if (loadRuntime() != SWITCH_STATUS_SUCCESS) {
return SWITCH_STATUS_FALSE;
}
if (findLoader() != SWITCH_STATUS_SUCCESS) {
return SWITCH_STATUS_FALSE;
}
#ifdef _MANAGED
try {
Object ^objResult = FreeSwitchManaged::loadMethod->Invoke(nullptr, nullptr);
success = *reinterpret_cast<bool^>(objResult);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Load completed successfully.\n");
}
catch(Exception^ ex) {
IntPtr msg = Marshal::StringToHGlobalAnsi(ex->ToString());
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Load did not return true. %s\n", static_cast<const char*>(msg.ToPointer()));
Marshal::FreeHGlobal(msg);
return SWITCH_STATUS_FALSE;
}
#else
/* Not sure if this is necesary on the loading thread */
mono_thread_attach(globals.domain);
/* Run loader */
MonoObject * exception = NULL;
MonoObject * objResult = mono_runtime_invoke(globals.loadMethod, NULL, NULL, &exception);
if (exception) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Load threw an exception.\n");
mono_print_unhandled_exception(exception);
return SWITCH_STATUS_FALSE;
}
success = *(int *) mono_object_unbox(objResult);
#endif
if (success) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Load completed successfully.\n");
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Load did not return true.\n");
return SWITCH_STATUS_FALSE;
}
/* We're good to register */
switch_api_interface_t *api_interface;
switch_application_interface_t *app_interface;
SWITCH_ADD_API(api_interface, "managedrun", "Run a module (ExecuteBackground)", managedrun_api_function, "<module> [<args>]");
SWITCH_ADD_API(api_interface, "managed", "Run a module as an API function (Execute)", managed_api_function, "<module> [<args>]");
SWITCH_ADD_APP(app_interface, "managed", "Run CLI App", "Run an App on a channel", managed_app_function, "<modulename> [<args>]", SAF_SUPPORT_NOMEDIA);
SWITCH_ADD_API(api_interface, "managedreload", "Force [re]load of a file", managedreload_api_function, "<filename>");
SWITCH_ADD_API(api_interface, "managedlist", "Log the list of available APIs and Apps", managedlist_api_function, "");
return SWITCH_STATUS_NOUNLOAD;
}
#ifdef _MANAGED
#pragma unmanaged
#endif
SWITCH_STANDARD_API(managedrun_api_function)
{
if (zstr(cmd)) {
stream->write_function(stream, "-ERR no args specified!\n");
return SWITCH_STATUS_SUCCESS;
}
#ifndef _MANAGED
mono_thread_attach(globals.domain);
#endif
if (executeBackgroundDelegate(cmd)) {
stream->write_function(stream, "+OK\n");
} else {
stream->write_function(stream, "-ERR ExecuteBackground returned false (unknown module or exception?).\n");
}
#ifndef _MANAGED
mono_thread_detach(mono_thread_current());
#endif
return SWITCH_STATUS_SUCCESS;
}
SWITCH_STANDARD_API(managed_api_function)
{
if (zstr(cmd)) {
stream->write_function(stream, "-ERR no args specified!\n");
return SWITCH_STATUS_SUCCESS;
}
#ifndef _MANAGED
mono_thread_attach(globals.domain);
#endif
if (!(executeDelegate(cmd, stream, stream->param_event))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Execute failed for %s (unknown module or exception).\n", cmd);
}
#ifndef _MANAGED
mono_thread_detach(mono_thread_current());
#endif
return SWITCH_STATUS_SUCCESS;
}
SWITCH_STANDARD_APP(managed_app_function)
{
if (zstr(data)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No args specified!\n");
return;
}
#ifndef _MANAGED
mono_thread_attach(globals.domain);
#endif
if (!(runDelegate(data, session))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Application run failed for %s (unknown module or exception).\n", data);
}
#ifndef _MANAGED
mono_thread_detach(mono_thread_current());
#endif
}
SWITCH_STANDARD_API(managedreload_api_function)
{
if (zstr(cmd)) {
stream->write_function(stream, "-ERR no args specified!\n");
return SWITCH_STATUS_SUCCESS;
}
#ifndef _MANAGED
mono_thread_attach(globals.domain);
#endif
if (!(reloadDelegate(cmd))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Execute failed for %s (unknown module or exception).\n", cmd);
}
#ifndef _MANAGED
mono_thread_detach(mono_thread_current());
#endif
return SWITCH_STATUS_SUCCESS;
}
SWITCH_STANDARD_API(managedlist_api_function)
{
#ifndef _MANAGED
mono_thread_attach(globals.domain);
#endif
listDelegate(cmd);
#ifndef _MANAGED
mono_thread_detach(mono_thread_current());
#endif
return SWITCH_STATUS_SUCCESS;
}
SWITCH_END_EXTERN_C
/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application - mod_managed
* Copyright (C) 2008, Michael Giagnocavo <mgg@packetrino.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application - mod_managed
*
* The Initial Developer of the Original Code is
* Michael Giagnocavo <mgg@packetrino.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Michael Giagnocavo <mgg@giagnocavo.net>
* David Brazier <David.Brazier@360crm.co.uk>
* Jeff Lenk <jlenk@frontiernet.net>
*
* mod_mono.cpp -- FreeSWITCH mod_mono main class
*
* Most of mod_mono is implmented in the mod_mono_managed Loader class.
* The native code just handles getting the Mono runtime up and down
* and passing pointers into managed code.
*/
#include <switch.h>
#include "freeswitch_managed.h"
#ifdef _MANAGED
#include <mscoree.h>
using namespace System;
using namespace System::Runtime::InteropServices;
#define MOD_MANAGED_VERSION "Microsoft CLR Version"
#else
#define MOD_MANAGED_VERSION "Mono Version"
#endif
SWITCH_BEGIN_EXTERN_C
SWITCH_MODULE_LOAD_FUNCTION(mod_managed_load);
SWITCH_MODULE_DEFINITION_EX(mod_managed, mod_managed_load, NULL, NULL, SMODF_GLOBAL_SYMBOLS);
SWITCH_STANDARD_API(managedrun_api_function); /* ExecuteBackground */
SWITCH_STANDARD_API(managed_api_function); /* Execute */
SWITCH_STANDARD_APP(managed_app_function); /* Run */
SWITCH_STANDARD_API(managedreload_api_function); /* Reload */
SWITCH_STANDARD_API(managedlist_api_function); /* List modules */
#define MOD_MANAGED_ASM_NAME "FreeSWITCH.Managed"
#define MOD_MANAGED_ASM_V1 1
#define MOD_MANAGED_ASM_V2 0
#define MOD_MANAGED_ASM_V3 2
#define MOD_MANAGED_ASM_V4 0
#define MOD_MANAGED_DLL MOD_MANAGED_ASM_NAME ".dll"
#define MOD_MANAGED_IMAGE_NAME "FreeSWITCH"
#define MOD_MANAGED_CLASS_NAME "Loader"
mod_managed_globals globals = { 0 };
// Global delegates to call managed functions
typedef int (*runFunction)(const char *data, void *sessionPtr);
typedef int (*executeFunction)(const char *cmd, void *stream, void *Event);
typedef int (*executeBackgroundFunction)(const char* cmd);
typedef int (*reloadFunction)(const char* cmd);
typedef int (*listFunction)(const char* cmd);
static runFunction runDelegate;
static executeFunction executeDelegate;
static executeBackgroundFunction executeBackgroundDelegate;
static reloadFunction reloadDelegate;
static listFunction listDelegate;
SWITCH_MOD_DECLARE_NONSTD(void) InitManagedDelegates(runFunction run, executeFunction execute, executeBackgroundFunction executeBackground, reloadFunction reload, listFunction list)
{
runDelegate = run;
executeDelegate = execute;
executeBackgroundDelegate = executeBackground;
reloadDelegate = reload;
listDelegate = list;
}
// Sets up delegates (and anything else needed) on the ManagedSession object
// Called from ManagedSession.Initialize Managed -> this is Unmanaged code so all pointers are marshalled and prevented from GC
// Exported method.
SWITCH_MOD_DECLARE_NONSTD(void) InitManagedSession(ManagedSession *session, inputFunction dtmfDelegate, hangupFunction hangupDelegate)
{
switch_assert(session);
if (!session) {
return;
}
session->setDTMFCallback(NULL, "");
session->setHangupHook(NULL);
session->dtmfDelegate = dtmfDelegate;
session->hangupDelegate = hangupDelegate;
}
#ifndef _MANAGED
#ifdef WIN32
#include <shlobj.h>
#endif
switch_status_t setMonoDirs()
{
#ifdef WIN32
// Win32 Mono installs can't figure out their own path
// Guys in #mono say we should just deploy all the libs we need
// We'll first check for Program Files\Mono to allow people to use the symlink dir for a specific version.
// Then we'll check HKEY_LOCAL_MACHINE\SOFTWARE\Novell\Mono\2.0\FrameworkAssemblyDirectory and MonoConfigDir
// After that, we'll scan program files for a Mono-* dir.
char progFilesPath[MAX_PATH];
char libPath[MAX_PATH];
char etcPath[MAX_PATH];
char findPath[MAX_PATH];
bool found = false;
SHGetFolderPath(NULL, CSIDL_PROGRAM_FILES, NULL, SHGFP_TYPE_CURRENT, progFilesPath);
{ // Check PF\Mono directly
DWORD attr;
switch_snprintf(findPath, MAX_PATH, "%s\\Mono", progFilesPath);
attr = GetFileAttributes(findPath);
found = (attr != INVALID_FILE_ATTRIBUTES && ((attr & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY));
if (found) {
switch_snprintf(libPath, MAX_PATH, "%s\\lib", findPath);
switch_snprintf(etcPath, MAX_PATH, "%s\\etc", findPath);
}
}
if (!found) { // Check registry
DWORD size = MAX_PATH;
if (ERROR_SUCCESS == RegGetValue(HKEY_LOCAL_MACHINE, "SOFTWARE\\Novell\\Mono\\2.0", "FrameworkAssemblyDirectory", RRF_RT_REG_SZ, NULL, &libPath, &size)) {
size = MAX_PATH;
if (ERROR_SUCCESS == RegGetValue(HKEY_LOCAL_MACHINE, "SOFTWARE\\Novell\\Mono\\2.0", "MonoConfigDir", RRF_RT_REG_SZ, NULL, &etcPath, &size)) {
found = true;
}
}
}
if (!found) { // Scan program files for Mono-2something
HANDLE hFind;
WIN32_FIND_DATA findData;
switch_snprintf(findPath, MAX_PATH, "%s\\Mono-2*", progFilesPath);
hFind = FindFirstFile(findPath, &findData);
if (hFind == INVALID_HANDLE_VALUE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error looking for Mono in Program Files.\n");
return SWITCH_STATUS_FALSE;
}
while ((findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != FILE_ATTRIBUTE_DIRECTORY) {
if (FindNextFile(hFind, &findData) == 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not find Mono directory in Program Files.\n");
FindClose(hFind);
return SWITCH_STATUS_FALSE;
}
}
switch_snprintf(libPath, MAX_PATH, "%s\\%s\\lib", progFilesPath, findData.cFileName);
switch_snprintf(etcPath, MAX_PATH, "%s\\%s\\etc", progFilesPath, findData.cFileName);
FindClose(hFind);
}
/* Got it */
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Using Mono paths '%s' and '%s'.\n", libPath, etcPath);
mono_set_dirs(libPath, etcPath);
return SWITCH_STATUS_SUCCESS;
#else
// On other platforms, it should just work if it hasn't been relocated
mono_set_dirs(NULL, NULL);
return SWITCH_STATUS_SUCCESS;
#endif
}
switch_status_t loadRuntime()
{
/* Find and load mod_mono_managed.exe */
char filename[256];
if (setMonoDirs() != SWITCH_STATUS_SUCCESS) {
return SWITCH_STATUS_FALSE;
}
#ifndef WIN32
// So linux can find the .so
char xmlConfig[300];
switch_snprintf(xmlConfig, 300, "<configuration><dllmap dll=\"mod_managed\" target=\"%s%smod_managed.so\"/></configuration>", SWITCH_GLOBAL_dirs.mod_dir, SWITCH_PATH_SEPARATOR);
mono_config_parse(NULL);
mono_config_parse_memory(xmlConfig);
#endif
switch_snprintf(filename, 256, "%s%s%s", SWITCH_GLOBAL_dirs.mod_dir, SWITCH_PATH_SEPARATOR, MOD_MANAGED_DLL);
globals.domain = mono_jit_init(filename);
/* Already got a Mono domain? */
if ((globals.domain = mono_get_root_domain())) {
mono_thread_attach(globals.domain);
globals.embedded = SWITCH_TRUE;
} else {
if (!(globals.domain = mono_jit_init(filename))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "mono_jit_init failed.\n");
return SWITCH_STATUS_FALSE;
}
}
/* Already loaded? */
MonoAssemblyName *name = mono_assembly_name_new (MOD_MANAGED_ASM_NAME);
//Note also that it can't be allocated on the stack anymore and you'll need to create and destroy it with the following API:
//mono_assembly_name_free (name);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Calling mono_assembly_loaded.\n");
if (!(globals.mod_mono_asm = mono_assembly_loaded(name))) {
/* Open the assembly */
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Calling mono_domain_assembly_open.\n");
globals.mod_mono_asm = mono_domain_assembly_open(globals.domain, filename);
if (!globals.mod_mono_asm) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "mono_domain_assembly_open failed.\n");
return SWITCH_STATUS_FALSE;
}
}
return SWITCH_STATUS_SUCCESS;
}
MonoMethod * getMethod(const char *name, MonoClass * klass)
{
MonoMethodDesc * desc;
MonoMethod * method;
desc = mono_method_desc_new(name, TRUE);
method = mono_method_desc_search_in_class(desc, klass);
if (!method) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not find %s method.\n", name);
return NULL;
}
return method;
}
switch_status_t findLoader()
{
/* Find loader class and methods */
MonoClass * loaderClass;
MonoImage * img = mono_assembly_get_image(globals.mod_mono_asm);
if (!(loaderClass = mono_class_from_name(img, MOD_MANAGED_IMAGE_NAME, MOD_MANAGED_CLASS_NAME))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not find " MOD_MANAGED_IMAGE_NAME "." MOD_MANAGED_CLASS_NAME " class.\n");
return SWITCH_STATUS_FALSE;
}
if (!(globals.loadMethod = getMethod(MOD_MANAGED_IMAGE_NAME "." MOD_MANAGED_CLASS_NAME ":Load()", loaderClass))) {
return SWITCH_STATUS_FALSE;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Found all loader functions.\n");
return SWITCH_STATUS_SUCCESS;
}
#endif
/**********************************************************
CLR Code Starts Here
**********************************************************/
#ifdef _MANAGED
switch_status_t loadRuntime()
{
/* Find and load mod_dotnet_managed.dll */
char filename[256];
switch_snprintf(filename, 256, "%s%s%s", SWITCH_GLOBAL_dirs.mod_dir, SWITCH_PATH_SEPARATOR, MOD_MANAGED_DLL);
wchar_t modpath[256];
mbstowcs(modpath, filename, 255);
try {
FreeSwitchManaged::mod_dotnet_managed = Assembly::LoadFrom(gcnew String(modpath));
} catch (Exception^ ex) {
IntPtr msg = Marshal::StringToHGlobalAnsi(ex->ToString());
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Assembly::LoadFrom failed: %s\n", static_cast<const char*>(msg.ToPointer()));
Marshal::FreeHGlobal(msg);
return SWITCH_STATUS_FALSE;
}
return SWITCH_STATUS_SUCCESS;
}
switch_status_t findLoader()
{
try {
FreeSwitchManaged::loadMethod = FreeSwitchManaged::mod_dotnet_managed->GetType(MOD_MANAGED_IMAGE_NAME "." MOD_MANAGED_CLASS_NAME)->GetMethod("Load");
} catch(Exception^ ex) {
IntPtr msg = Marshal::StringToHGlobalAnsi(ex->ToString());
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not load " MOD_MANAGED_IMAGE_NAME "." MOD_MANAGED_CLASS_NAME " class: %s\n", static_cast<const char*>(msg.ToPointer()));
Marshal::FreeHGlobal(msg);
return SWITCH_STATUS_FALSE;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Found all " MOD_MANAGED_IMAGE_NAME "." MOD_MANAGED_CLASS_NAME " functions.\n");
return SWITCH_STATUS_SUCCESS;
}
#endif
SWITCH_MODULE_LOAD_FUNCTION(mod_managed_load)
{
int success;
/* connect my internal structure to the blank pointer passed to me */
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Loading mod_managed (Common Language Infrastructure), " MOD_MANAGED_VERSION "\n");
globals.pool = pool;
if (loadRuntime() != SWITCH_STATUS_SUCCESS) {
return SWITCH_STATUS_FALSE;
}
if (findLoader() != SWITCH_STATUS_SUCCESS) {
return SWITCH_STATUS_FALSE;
}
#ifdef _MANAGED
try {
Object ^objResult = FreeSwitchManaged::loadMethod->Invoke(nullptr, nullptr);
success = *reinterpret_cast<bool^>(objResult);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Load completed successfully.\n");
}
catch(Exception^ ex) {
IntPtr msg = Marshal::StringToHGlobalAnsi(ex->ToString());
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Load did not return true. %s\n", static_cast<const char*>(msg.ToPointer()));
Marshal::FreeHGlobal(msg);
return SWITCH_STATUS_FALSE;
}
#else
/* Not sure if this is necesary on the loading thread */
mono_thread_attach(globals.domain);
/* Run loader */
MonoObject * exception = NULL;
MonoObject * objResult = mono_runtime_invoke(globals.loadMethod, NULL, NULL, &exception);
if (exception) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Load threw an exception.\n");
mono_print_unhandled_exception(exception);
return SWITCH_STATUS_FALSE;
}
success = *(int *) mono_object_unbox(objResult);
#endif
if (success) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Load completed successfully.\n");
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Load did not return true.\n");
return SWITCH_STATUS_FALSE;
}
/* We're good to register */
switch_api_interface_t *api_interface;
switch_application_interface_t *app_interface;
SWITCH_ADD_API(api_interface, "managedrun", "Run a module (ExecuteBackground)", managedrun_api_function, "<module> [<args>]");
SWITCH_ADD_API(api_interface, "managed", "Run a module as an API function (Execute)", managed_api_function, "<module> [<args>]");
SWITCH_ADD_APP(app_interface, "managed", "Run CLI App", "Run an App on a channel", managed_app_function, "<modulename> [<args>]", SAF_SUPPORT_NOMEDIA);
SWITCH_ADD_API(api_interface, "managedreload", "Force [re]load of a file", managedreload_api_function, "<filename>");
SWITCH_ADD_API(api_interface, "managedlist", "Log the list of available APIs and Apps", managedlist_api_function, "");
return SWITCH_STATUS_NOUNLOAD;
}
#ifdef _MANAGED
#pragma unmanaged
#endif
SWITCH_STANDARD_API(managedrun_api_function)
{
if (zstr(cmd)) {
stream->write_function(stream, "-ERR no args specified!\n");
return SWITCH_STATUS_SUCCESS;
}
#ifndef _MANAGED
mono_thread_attach(globals.domain);
#endif
if (executeBackgroundDelegate(cmd)) {
stream->write_function(stream, "+OK\n");
} else {
stream->write_function(stream, "-ERR ExecuteBackground returned false (unknown module or exception?).\n");
}
#ifndef _MANAGED
mono_thread_detach(mono_thread_current());
#endif
return SWITCH_STATUS_SUCCESS;
}
SWITCH_STANDARD_API(managed_api_function)
{
if (zstr(cmd)) {
stream->write_function(stream, "-ERR no args specified!\n");
return SWITCH_STATUS_SUCCESS;
}
#ifndef _MANAGED
mono_thread_attach(globals.domain);
#endif
if (!(executeDelegate(cmd, stream, stream->param_event))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Execute failed for %s (unknown module or exception).\n", cmd);
}
#ifndef _MANAGED
mono_thread_detach(mono_thread_current());
#endif
return SWITCH_STATUS_SUCCESS;
}
SWITCH_STANDARD_APP(managed_app_function)
{
if (zstr(data)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No args specified!\n");
return;
}
#ifndef _MANAGED
mono_thread_attach(globals.domain);
#endif
if (!(runDelegate(data, session))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Application run failed for %s (unknown module or exception).\n", data);
}
#ifndef _MANAGED
mono_thread_detach(mono_thread_current());
#endif
}
SWITCH_STANDARD_API(managedreload_api_function)
{
if (zstr(cmd)) {
stream->write_function(stream, "-ERR no args specified!\n");
return SWITCH_STATUS_SUCCESS;
}
#ifndef _MANAGED
mono_thread_attach(globals.domain);
#endif
if (!(reloadDelegate(cmd))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Execute failed for %s (unknown module or exception).\n", cmd);
}
#ifndef _MANAGED
mono_thread_detach(mono_thread_current());
#endif
return SWITCH_STATUS_SUCCESS;
}
SWITCH_STANDARD_API(managedlist_api_function)
{
#ifndef _MANAGED
mono_thread_attach(globals.domain);
#endif
listDelegate(cmd);
#ifndef _MANAGED
mono_thread_detach(mono_thread_current());
#endif
return SWITCH_STATUS_SUCCESS;
}
SWITCH_END_EXTERN_C
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