/*
 * PROJECT:     ReactOS API Tests
 * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
 * PURPOSE:     Tests for UDP connections enumeration functions
 * COPYRIGHT:   Copyright 2018 Pierre Schweitzer
 */

#include <apitest.h>

#define WIN32_NO_STATUS
#include <iphlpapi.h>
#include <winsock2.h>

static DWORD GetExtendedUdpTableWithAlloc(PVOID *UdpTable, BOOL Order, DWORD Family, UDP_TABLE_CLASS Class)
{
    DWORD ret;
    DWORD Size = 0;

    *UdpTable = NULL;

    ret = GetExtendedUdpTable(*UdpTable, &Size, Order, Family, Class, 0);
    if (ret == ERROR_INSUFFICIENT_BUFFER)
    {
        *UdpTable = HeapAlloc(GetProcessHeap(), 0, Size);
        if (*UdpTable == NULL)
        {
            return ERROR_OUTOFMEMORY;
        }

        ret = GetExtendedUdpTable(*UdpTable, &Size, Order, Family, Class, 0);
        if (ret != NO_ERROR)
        {
            HeapFree(GetProcessHeap(), 0, *UdpTable);
            *UdpTable = NULL;
        }
    }

    return ret;
}

START_TEST(GetExtendedUdpTable)
{
    WSADATA wsaData;
    SOCKET sock;
    SOCKADDR_IN server;
    PMIB_UDPTABLE UdpTable;
    PMIB_UDPTABLE_OWNER_PID UdpTableOwner;
    PMIB_UDPTABLE_OWNER_MODULE UdpTableOwnerMod;
    DWORD i;
    BOOLEAN Found;
    FILETIME Creation;
    LARGE_INTEGER CreationTime;
    DWORD Pid = GetCurrentProcessId();

    if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0)
    {
        skip("Failed to init WS2\n");
        return;
    }

    GetSystemTimeAsFileTime(&Creation);
    CreationTime.LowPart = Creation.dwLowDateTime;
    CreationTime.HighPart = Creation.dwHighDateTime;

    sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
    if (sock == INVALID_SOCKET)
    {
        skip("Cannot create socket\n");
        goto quit;
    }

    ZeroMemory(&server, sizeof(SOCKADDR_IN));
    server.sin_family = AF_INET;
    server.sin_addr.s_addr = htonl(INADDR_ANY);
    server.sin_port = htons(9876);

    if (bind(sock, (SOCKADDR*)&server, sizeof(SOCKADDR_IN)) == SOCKET_ERROR)
    {
        skip("Cannot bind socket\n");
        goto quit2;
    }

    if (GetExtendedUdpTableWithAlloc((PVOID *)&UdpTable, TRUE, AF_INET, UDP_TABLE_BASIC) == ERROR_SUCCESS)
    {
        ok(UdpTable->dwNumEntries > 0, "No UDP connections?!\n");

        Found = FALSE;
        for (i = 0; i < UdpTable->dwNumEntries; ++i)
        {
            if (UdpTable->table[i].dwLocalAddr == 0 &&
                UdpTable->table[i].dwLocalPort == htons(9876))
            {
                Found = TRUE;
                break;
            }
        }
        ok(Found, "Our socket wasn't found!\n");

        HeapFree(GetProcessHeap(), 0, UdpTable);
    }
    else
    {
        skip("GetExtendedUdpTableWithAlloc failure\n");
    }

    if (GetExtendedUdpTableWithAlloc((PVOID *)&UdpTableOwner, TRUE, AF_INET, UDP_TABLE_OWNER_PID) == ERROR_SUCCESS)
    {
        ok(UdpTableOwner->dwNumEntries > 0, "No UDP connections?!\n");

        Found = FALSE;
        for (i = 0; i < UdpTableOwner->dwNumEntries; ++i)
        {
            if (UdpTableOwner->table[i].dwLocalAddr == 0 &&
                UdpTableOwner->table[i].dwLocalPort == htons(9876))
            {
                Found = TRUE;
                break;
            }
        }

        if (!Found)
        {
            skip("Our socket wasn't found!\n");
        }
        else
        {
            ok(UdpTableOwner->table[i].dwOwningPid == Pid, "Invalid owner\n");
        }

        HeapFree(GetProcessHeap(), 0, UdpTableOwner);
    }
    else
    {
        skip("GetExtendedUdpTableWithAlloc failure\n");
    }

    if (GetExtendedUdpTableWithAlloc((PVOID *)&UdpTableOwnerMod, TRUE, AF_INET, UDP_TABLE_OWNER_MODULE) == ERROR_SUCCESS)
    {
        ok(UdpTableOwnerMod->dwNumEntries > 0, "No TCP connections?!\n");

        Found = FALSE;
        for (i = 0; i < UdpTableOwnerMod->dwNumEntries; ++i)
        {
            if (UdpTableOwnerMod->table[i].dwLocalAddr == 0 &&
                UdpTableOwnerMod->table[i].dwLocalPort == htons(9876))
            {
                Found = TRUE;
                break;
            }
        }

        if (!Found)
        {
            skip("Our socket wasn't found!\n");
        }
        else
        {
            ok(UdpTableOwnerMod->table[i].dwOwningPid == Pid, "Invalid owner\n");

            ok(UdpTableOwnerMod->table[i].liCreateTimestamp.QuadPart >= CreationTime.QuadPart, "Invalid time\n");
            ok(UdpTableOwnerMod->table[i].liCreateTimestamp.QuadPart <= CreationTime.QuadPart + 60000000000LL, "Invalid time\n");
        }

        HeapFree(GetProcessHeap(), 0, UdpTableOwnerMod);
    }
    else
    {
        skip("GetExtendedUdpTableWithAlloc failure\n");
    }

quit2:
    closesocket(sock);
quit:
    WSACleanup();
}