Taobao Top SDK Demo v2.0 via language binding to CPP, Bash, and so on.

call.sh

#!/bin/bash
#how to: . call.sh

APPKEY=""
SECRET=""
SESSION="null"
METHOD="taobao.tmc.messages.consume"
PARAMETERS_APP=(
"group_name=default"
"quantity=10"
)
call_api $APPKEY $SECRET $SESSION $METHOD $URL $IP $SSL ${PARAMETERS_APP[@]}

call_api() {
local APPKEY=$1
local SECRET=$2
local SESSION=$3
local METHOD=$4
local URL=$5
local IP=$6
local SSL=$7
shift
shift
shift
shift
shift
shift
shift
local PARAMETERS_APP=("$@")

#####################################################################################
local PARAMETERS_BASE=(
"method=$METHOD"
"v=2.0"
"app_key=$APPKEY"
"timestamp=$(date +"%s")"
"format=json"
"partner_id=sdk-bash"
)

if [ $SESSION == "null" ]
then
	echo "no session"
else
	PARAMETERS_BASE=(
	"${PARAMETERS_BASE[@]}"
	"session=$SESSION"
	)
fi

local PARAMETERS=(
"${PARAMETERS_APP[@]}"
"${PARAMETERS_BASE[@]}"
)

#http://www.microbrew.org/tools/md5sha1sum/md5sha1sum-0.9.5.tar.gz
#md5 sign
PARAMETERS=($(printf '%s\n' "${PARAMETERS[@]}"|sort))
local SIGN=$SECRET
for a in "${PARAMETERS[@]}"
do 
	KEY="${a%%=*}"
    VALUE="${a##*=}"
    printf "%s=%s\n" "$KEY" "$VALUE"
    SIGN=$SIGN$KEY$VALUE
done
#old
#SIGN=$SIGN$SECRET
echo $SIGN
SIGN="$(echo -n "$SIGN"|md5sum|awk '{print $1}')"
SIGN="$(echo "$SIGN"|awk '{print toupper($0)}')"
echo $SIGN
PARAMETERS=(
"${PARAMETERS[@]}"
"sign=$SIGN"
)

local QUERY=""
for a in "${PARAMETERS[@]}"
do 
	QUERY="$QUERY&$a" 
done
QUERY="$(echo "$QUERY"| cut -c 2-)"
echo $QUERY

local URL="$URL?$QUERY"
echo ""
echo $URL
echo ""
curl -H "x-real-ip:$IP" -H "Top-LB-From:$SSL" "$URL"
echo ""
echo ""
}

TopSdkDemo.cs

using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Text;

namespace SdkDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            string appkey = "";
            string secret = "";
            string mix_secret = MD5Encrypt(secret);
            string refresh_token = "";
            string access_token = "";
            string redirect_uri = "http://www.xxx.com";
            string userid = "";
            string code = null;

            TopClientSdk.Authorize(appkey, mix_secret, code, AuthCallback, null);

            TopClientSdk.Refresh(appkey, mix_secret, refresh_token, redirect_uri, code, RefreshCallback, null);

            IDictionary<string, string> dict = PrepareParams(appkey
                 , secret
                 , access_token
                 , new string[] { "method", "fields" }
                 , new string[] { "taobao.user.get", "user_id,uid,nick,sex,buyer_credit,seller_credit,location,created,last_visit,birthday,type,status,alipay_no,alipay_account,alipay_account,email,consumer_protection,alipay_bind" });
            string[] p_names = new string[dict.Count];
            string[] p_values = new string[dict.Count];
            dict.Keys.CopyTo(p_names, 0);
            dict.Values.CopyTo(p_values, 0);

            TopClientSdk.Call(appkey, mix_secret, access_token
                , p_names
                , p_values
                , p_names.Length
                , userid
                , code
                , TopCallback
                , null);
        }

        private static void AuthCallback(int ret, IntPtr pData, int iDataLen, object pContext)
        {
            Console.WriteLine("AuthCallback:{0}|{1}", ret, Marshal.PtrToStringAnsi(pData, iDataLen));
        }
        private static void RefreshCallback(int ret, IntPtr pData, int iDataLen, object pContext)
        {
            Console.WriteLine("RefreshCallback:{0}|{1}", ret, Marshal.PtrToStringAnsi(pData, iDataLen));
        }
        private static void TopCallback(int ret, IntPtr pData, int iDataLen, object pContext)
        {
            byte[] buffer = new byte[iDataLen];
            Marshal.Copy(pData, buffer, 0, iDataLen);
            Console.WriteLine("TopCallback:{0}|{1}", ret, Encoding.UTF8.GetString(buffer));
        }
        private static string MD5Encrypt(string originalString)
        {
            var bytes = System.Security.Cryptography.MD5.Create().ComputeHash(Encoding.UTF8.GetBytes(originalString));
            var strb = new StringBuilder();
            for (int i = 0; i < bytes.Length; i++)
                strb.Append(bytes[i].ToString("X2"));
            return strb.ToString();
        }
        private static IDictionary<string, string> PrepareParams(string appkey
            , string secret
            , string sessionkey
            , string[] biz_p_names
            , string[] biz_p_values)
        {
            SortedDictionary<string, string> dict = new SortedDictionary<string, string>();
            for (var i = 0; i < biz_p_names.Length; i++)
                dict.Add(biz_p_names[i], biz_p_values[i]);

            GenerateProtocolParameters(dict, appkey, secret, sessionkey);
            return dict;
        }
        private static void GenerateProtocolParameters(SortedDictionary<string, string> dict
            , string appkey
            , string secret
            , string sessionkey)
        {
            dict.Add("timestamp", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
            dict.Add("v", "2.0");
            dict.Add("app_key", appkey);
            dict.Add("partner_id", "top-windows-sdk");
            dict.Add("format", "json");
            dict.Add("session", sessionkey);
            dict.Add("sign_method", "md5");
            dict.Add("sign", SignTopParams(secret, dict));
        }
        private static string SignTopParams(string secret, SortedDictionary<string, string> dict)
        {
            StringBuilder strb = new StringBuilder();
            strb.Append(secret);
            foreach (var i in dict)
            {
                strb.Append(i.Key);
                strb.Append(i.Value);
            }
            return MD5Encrypt(strb.Append(secret).ToString());
        }
    }

    public static class TopClientSdk
    {
        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
        public delegate void Callback(int ret, IntPtr pData, int iDataLen, object pContext);

        [DllImport("TopClientSdk.dll"
            , EntryPoint = "authorize"
            , CharSet = CharSet.Ansi
            , CallingConvention = CallingConvention.Cdecl)]
        public static extern int Authorize(string appkey
            , string mix_secret
            , string code
            , Callback auth_callback
            , object pContext);

        [DllImport("TopClientSdk.dll"
            , EntryPoint = "refresh"
            , CharSet = CharSet.Ansi
            , CallingConvention = CallingConvention.Cdecl)]
        public static extern int Refresh(string appkey
            , string mix_secret
            , string refresh_token
            , string redirect_uri
            , string code
            , Callback refresh_callback
            , object pContext);

        [DllImport("TopClientSdk.dll"
            , EntryPoint = "call"
            , CharSet = CharSet.Ansi
            , CallingConvention = CallingConvention.Cdecl)]
        public static extern int Call(string appkey
            , string mix_secret
            , string access_token
            , string[] p_names
            , [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.LPWStr, SizeParamIndex = 5)]string[] p_values
            , int param_len
            , string userid
            , string code
            , Callback top_callback
            , object pContext);
    }
}

about char* UTF-8
http://manski.net/2012/06/11/pinvoke-tutorial-passing-strings-part-2/

change to wchar_t*

[MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.LPWStr, SizeParamIndex = 5)]
p_value

see https://gist.github.com/4465611/revisions