mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2024-11-08 16:57:16 +01:00
274 lines
9.9 KiB
C++
274 lines
9.9 KiB
C++
// ------------------------------------------------------------------------------------------------
|
|
#include "Common.hpp"
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
#include <cstdio>
|
|
#include <cstdlib>
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
namespace SqMod {
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
extern void Register_Database(Table & mmns);
|
|
extern void Register_Description(Table & mmns);
|
|
extern void Register_EntryData(Table & mmns);
|
|
extern void Register_EntryDataList(Table & mmns);
|
|
extern void Register_LookupResult(Table & mmns);
|
|
extern void Register_Metadata(Table & mmns);
|
|
extern void Register_SearchNode(Table & mmns);
|
|
extern void Register_SockAddr(Table & mmns);
|
|
|
|
/* ------------------------------------------------------------------------------------------------
|
|
* Register the module API under the obtained virtual machine.
|
|
*/
|
|
static bool RegisterAPI(HSQUIRRELVM vm)
|
|
{
|
|
// Make sure there's a valid virtual machine before proceeding
|
|
if (!vm)
|
|
{
|
|
OutputError("%s: Cannot register API without a valid virtual machine", SQMMDB_NAME);
|
|
// Registration failed
|
|
return false;
|
|
}
|
|
|
|
Table mmns(vm);
|
|
|
|
Register_Database(mmns);
|
|
Register_Description(mmns);
|
|
Register_EntryData(mmns);
|
|
Register_EntryDataList(mmns);
|
|
Register_LookupResult(mmns);
|
|
Register_Metadata(mmns);
|
|
Register_SearchNode(mmns);
|
|
Register_SockAddr(mmns);
|
|
|
|
mmns.Func(_SC("StrError"), MMDB_strerror);
|
|
mmns.Func(_SC("LibVersion"), MMDB_lib_version);
|
|
mmns.Func(_SC("TypeStr"), AsTypeStr);
|
|
|
|
RootTable(vm).Bind(_SC("SqMMDB"), mmns);
|
|
|
|
ConstTable(vm).Enum(_SC("SqMMDataType"), Enumeration(vm)
|
|
.Const(_SC("Extended"), MMDB_DATA_TYPE_EXTENDED)
|
|
.Const(_SC("Pointer"), MMDB_DATA_TYPE_POINTER)
|
|
.Const(_SC("Utf8String"), MMDB_DATA_TYPE_UTF8_STRING)
|
|
.Const(_SC("Double"), MMDB_DATA_TYPE_DOUBLE)
|
|
.Const(_SC("Bytes"), MMDB_DATA_TYPE_BYTES)
|
|
.Const(_SC("Uint16"), MMDB_DATA_TYPE_UINT16)
|
|
.Const(_SC("Uint32"), MMDB_DATA_TYPE_UINT32)
|
|
.Const(_SC("Map"), MMDB_DATA_TYPE_MAP)
|
|
.Const(_SC("Int32"), MMDB_DATA_TYPE_INT32)
|
|
.Const(_SC("Uint64"), MMDB_DATA_TYPE_UINT64)
|
|
.Const(_SC("Uint128"), MMDB_DATA_TYPE_UINT128)
|
|
.Const(_SC("Array"), MMDB_DATA_TYPE_ARRAY)
|
|
.Const(_SC("Container"), MMDB_DATA_TYPE_CONTAINER)
|
|
.Const(_SC("EndMarker"), MMDB_DATA_TYPE_END_MARKER)
|
|
.Const(_SC("Boolean"), MMDB_DATA_TYPE_BOOLEAN)
|
|
.Const(_SC("Float"), MMDB_DATA_TYPE_FLOAT)
|
|
);
|
|
|
|
ConstTable(vm).Enum(_SC("SqMMRecordType"), Enumeration(vm)
|
|
.Const(_SC("SearchNode"), MMDB_RECORD_TYPE_SEARCH_NODE)
|
|
.Const(_SC("Empty"), MMDB_RECORD_TYPE_EMPTY)
|
|
.Const(_SC("Data"), MMDB_RECORD_TYPE_DATA)
|
|
.Const(_SC("Invalid"), MMDB_RECORD_TYPE_INVALID)
|
|
);
|
|
|
|
ConstTable(vm).Enum(_SC("SqMMErrCode"), Enumeration(vm)
|
|
.Const(_SC("Success"), MMDB_SUCCESS)
|
|
.Const(_SC("FileOpenError"), MMDB_FILE_OPEN_ERROR)
|
|
.Const(_SC("CorruptSearchTreeError"), MMDB_CORRUPT_SEARCH_TREE_ERROR)
|
|
.Const(_SC("InvalidMetadataError"), MMDB_INVALID_METADATA_ERROR)
|
|
.Const(_SC("IOError"), MMDB_IO_ERROR)
|
|
.Const(_SC("OutOfMemoryError"), MMDB_OUT_OF_MEMORY_ERROR)
|
|
.Const(_SC("UnknownDatabaseFormatError"), MMDB_UNKNOWN_DATABASE_FORMAT_ERROR)
|
|
.Const(_SC("InvalidDataError"), MMDB_INVALID_DATA_ERROR)
|
|
.Const(_SC("InvalidLookupPathError"), MMDB_INVALID_LOOKUP_PATH_ERROR)
|
|
.Const(_SC("LookupPathDoesNotMatchDataError"), MMDB_LOOKUP_PATH_DOES_NOT_MATCH_DATA_ERROR)
|
|
.Const(_SC("InvalidNodeNumberError"), MMDB_INVALID_NODE_NUMBER_ERROR)
|
|
.Const(_SC("Ipv6LookupInIpv4DatabaseError"), MMDB_IPV6_LOOKUP_IN_IPV4_DATABASE_ERROR)
|
|
);
|
|
|
|
Sqrat::ConstTable(vm)
|
|
.Const(_SC("MMDB_MODE_MMAP"), MMDB_MODE_MMAP)
|
|
.Const(_SC("MMDB_MODE_MASK"), MMDB_MODE_MASK);
|
|
|
|
// Registration was successful
|
|
return true;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------------------------------
|
|
* Load the module on the virtual machine provided by the host module.
|
|
*/
|
|
static bool OnSquirrelLoad()
|
|
{
|
|
// Make sure that we have a valid module API
|
|
if (!SqMod_GetSquirrelVM)
|
|
{
|
|
OutputError("%s: Cannot obtain the Squirrel virtual machine without the module API", SQMMDB_NAME);
|
|
// Unable to proceed!
|
|
return false;
|
|
}
|
|
// Obtain the Squirrel virtual machine from the host plug-in
|
|
DefaultVM::Set(SqMod_GetSquirrelVM());
|
|
// Make sure that a valid virtual machine exists
|
|
if (!DefaultVM::Get())
|
|
{
|
|
OutputError("%s: Squirrel virtual machine obtained from the host plug-in is invalid", SQMMDB_NAME);
|
|
// Unable to proceed!
|
|
return false;
|
|
}
|
|
// Prevent common null objects from using dead virtual machines
|
|
NullObject().Release();
|
|
NullTable().Release();
|
|
NullArray().Release();
|
|
NullLightObj().Release();
|
|
NullFunction().ReleaseGently();
|
|
// Register the module API
|
|
if (RegisterAPI(DefaultVM::Get()))
|
|
{
|
|
OutputMessage("Registered: %s", SQMMDB_NAME);
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
// At this point, the module was successfully loaded
|
|
return true;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------------------------------
|
|
* The virtual machine is about to be terminated and script resources should be released.
|
|
*/
|
|
static void OnSquirrelTerminate()
|
|
{
|
|
OutputMessage("Terminating: %s", SQMMDB_NAME);
|
|
// Release null objects just in case
|
|
NullObject().Release();
|
|
NullTable().Release();
|
|
NullArray().Release();
|
|
NullFunction().ReleaseGently();
|
|
// Release script resources...
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------------------------------
|
|
* The virtual machined is about to be closed. Last chance to release anything manually.
|
|
*/
|
|
static void OnSquirrelClosing()
|
|
{
|
|
// Nothing to release manually...
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------------------------------
|
|
* The virtual machined was closed and all memory associated with it was released.
|
|
*/
|
|
static void OnSquirrelReleased()
|
|
{
|
|
// Release the current virtual machine, if any
|
|
DefaultVM::Set(nullptr);
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------------------------------
|
|
* React to command sent by other plug-ins.
|
|
*/
|
|
static uint8_t OnPluginCommand(uint32_t command_identifier, CCStr message)
|
|
{
|
|
switch(command_identifier)
|
|
{
|
|
case SQMOD_INITIALIZE_CMD:
|
|
{
|
|
if (CheckModuleAPIVer(message, SQMMDB_NAME))
|
|
{
|
|
try
|
|
{
|
|
ImportModuleAPI(_Func, SQMMDB_NAME);
|
|
}
|
|
catch (const Sqrat::Exception & e)
|
|
{
|
|
OutputError("%s", e.what());
|
|
// Failed to initialize
|
|
return 0;
|
|
}
|
|
}
|
|
} break;
|
|
case SQMOD_LOAD_CMD:
|
|
{
|
|
return OnSquirrelLoad();
|
|
} break;
|
|
case SQMOD_TERMINATE_CMD:
|
|
{
|
|
OnSquirrelTerminate();
|
|
} break;
|
|
case SQMOD_CLOSING_CMD:
|
|
{
|
|
OnSquirrelClosing();
|
|
} break;
|
|
case SQMOD_RELEASED_CMD:
|
|
{
|
|
OnSquirrelReleased();
|
|
} break;
|
|
default: break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------------------------------
|
|
* The server was initialized and this plug-in was loaded successfully.
|
|
*/
|
|
static uint8_t OnServerInitialise()
|
|
{
|
|
return 1; // Initialization was successful
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------------------------------
|
|
* The server is about to shutdown gracefully.
|
|
*/
|
|
static void OnServerShutdown(void)
|
|
{
|
|
// The server may still send callbacks
|
|
_Clbk->OnServerInitialise = nullptr;
|
|
_Clbk->OnServerShutdown = nullptr;
|
|
_Clbk->OnPluginCommand = nullptr;
|
|
}
|
|
|
|
} // Namespace:: SqMod
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
SQMOD_API_EXPORT unsigned int VcmpPluginInit(PluginFuncs * functions, PluginCallbacks * callbacks, PluginInfo * info)
|
|
{
|
|
using namespace SqMod;
|
|
// Output plug-in header
|
|
puts("");
|
|
OutputMessage("--------------------------------------------------------------------");
|
|
OutputMessage("Plug-in: %s", SQMMDB_NAME);
|
|
OutputMessage("Author: %s", SQMMDB_AUTHOR);
|
|
OutputMessage("Legal: %s", SQMMDB_COPYRIGHT);
|
|
OutputMessage("--------------------------------------------------------------------");
|
|
puts("");
|
|
// Make sure that the module was loaded after the host plug-in
|
|
if (!CheckModuleOrder(functions, info->pluginId, SQMMDB_NAME))
|
|
{
|
|
return SQMOD_FAILURE;
|
|
}
|
|
// Store server proxies
|
|
_Func = functions;
|
|
_Clbk = callbacks;
|
|
_Info = info;
|
|
// Assign plug-in version
|
|
_Info->pluginVersion = SQMMDB_VERSION;
|
|
_Info->apiMajorVersion = PLUGIN_API_MAJOR;
|
|
_Info->apiMinorVersion = PLUGIN_API_MINOR;
|
|
// Assign the plug-in name
|
|
std::snprintf(_Info->name, sizeof(_Info->name), "%s", SQMMDB_HOST_NAME);
|
|
// Bind to the server callbacks
|
|
_Clbk->OnServerInitialise = OnServerInitialise;
|
|
_Clbk->OnServerShutdown = OnServerShutdown;
|
|
_Clbk->OnPluginCommand = OnPluginCommand;
|
|
// Notify that the plug-in was successfully loaded
|
|
OutputMessage("Successfully loaded %s", SQMMDB_NAME);
|
|
// Dummy spacing
|
|
puts("");
|
|
// Done!
|
|
return SQMOD_SUCCESS;
|
|
}
|