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272 lines (240 loc) · 8.45 KB
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using System;
using UnityEngine;
using UnityEngine.Networking;
namespace Unity.RenderStreaming
{
public class DownloadHandlerJson<T> : DownloadHandlerScript
{
private T m_obj;
public DownloadHandlerJson() : base()
{
}
public DownloadHandlerJson(byte[] buffer) : base(buffer)
{
}
protected override byte[] GetData() { return null; }
protected override bool ReceiveData(byte[] data, int dataLength)
{
if (data == null || data.Length < 1)
{
return false;
}
var text = System.Text.Encoding.UTF8.GetString(data);
try
{
m_obj = JsonUtility.FromJson<T>(text);
}
catch(Exception e)
{
Debug.LogError(text);
throw e;
}
return true;
}
public T GetObject()
{
return m_obj;
}
}
static class DownloadHandlerExtension
{
public static T FromJson<T>(this DownloadHandler handler)
{
return JsonUtility.FromJson<T>(handler.text);
}
}
static class UnityWebRequestExtension
{
public static UnityWebRequestAsyncOperation SendWebRequest<T>(this UnityWebRequest own)
{
if (typeof(T) != typeof(None))
{
own.downloadHandler = new DownloadHandlerJson<T>();
}
if (own.uri.Scheme == "https")
{
own = own.ToHttps();
}
var req = own.SendWebRequest();
return req;
}
public static DownloadHandlerJson<T> DownloadHandlerJson<T>(this UnityWebRequest own)
{
return own.downloadHandler as DownloadHandlerJson<T>;
}
public static UnityWebRequest ToHttps(this UnityWebRequest own)
{
own.certificateHandler = new AcceptAllCertificateHandler();
return own;
}
class AcceptAllCertificateHandler : CertificateHandler
{
protected override bool ValidateCertificate(byte[] certificateData)
{
// Workaround for Non-Secure web page
// You should implement the validation when you release your service publicly.
return true;
}
}
}
class None {}
#pragma warning disable 0649
[Serializable]
class NewResData
{
public string sessionId;
}
[Serializable]
class CreateConnectionResData
{
public string connectionId;
}
[Serializable]
class OfferResDataList
{
public OfferResData[] offers;
}
[Serializable]
class CandidateContainerResDataList
{
public CandidateContainerResData[] candidates;
}
[Serializable]
class OfferResData
{
public string connectionId;
public string sdp;
}
[Serializable]
class AnswerResData
{
public string connectionId;
public string sdp;
}
[Serializable]
class CandidateContainerResData
{
public string connectionId;
public CandidateResData[] candidates;
}
[Serializable]
class CandidateResData
{
public string candidate;
public string sdpMid;
public int sdpMLineIndex;
}
#pragma warning restore 0649
public class Signaling
{
public string Url { get; }
public Signaling(string url)
{
Url = url;
}
[Serializable]
class OfferReqData
{
public string connectionId;
public string sdp;
}
[Serializable]
class AnswerReqData
{
public string connectionId;
public string sdp;
}
[Serializable]
class CandidateReqData
{
public string connectionId;
public string candidate;
public string sdpMid;
public int sdpMLineIndex;
}
public UnityWebRequestAsyncOperation Create()
{
var req = new UnityWebRequest($"{Url}/signaling", "PUT");
var op = req.SendWebRequest<NewResData>();
return op;
}
public UnityWebRequestAsyncOperation Delete()
{
var req = new UnityWebRequest($"{Url}/signaling", "DELETE");
var op = req.SendWebRequest<None>();
return op;
}
public UnityWebRequestAsyncOperation CreateConnection(string sessionId)
{
var req = new UnityWebRequest($"{Url}/signaling/connection", "PUT");
req.SetRequestHeader("Session-Id", sessionId);
var op = req.SendWebRequest<CreateConnectionResData>();
return op;
}
public UnityWebRequestAsyncOperation DeleteConnection(string sessionId, string connectionId)
{
var obj = new AnswerReqData { connectionId = connectionId };
var data = new System.Text.UTF8Encoding().GetBytes(JsonUtility.ToJson(obj));
var req = new UnityWebRequest($"{Url}/signaling/connection", "DELETE");
req.SetRequestHeader("Session-Id", sessionId);
req.SetRequestHeader("Content-Type", "application/json");
req.uploadHandler = new UploadHandlerRaw(data);
var op = req.SendWebRequest<None>();
return op;
}
public UnityWebRequestAsyncOperation PostOffer(string sessionId, string connectionId, string sdp)
{
var obj = new OfferReqData { connectionId = connectionId, sdp = sdp };
var data = new System.Text.UTF8Encoding().GetBytes(JsonUtility.ToJson(obj));
var req = new UnityWebRequest($"{Url}/signaling/offer", "POST");
req.SetRequestHeader("Session-Id", sessionId);
req.SetRequestHeader("Content-Type", "application/json");
req.uploadHandler = new UploadHandlerRaw(data);
var op = req.SendWebRequest<None>();
return op;
}
public UnityWebRequestAsyncOperation GetOffer(string sessionId, long fromTime=0)
{
var req = new UnityWebRequest($"{Url}/signaling/offer?fromtime={fromTime}", "GET");
req.SetRequestHeader("Session-Id", sessionId);
var op = req.SendWebRequest<OfferResDataList>();
return op;
}
public UnityWebRequestAsyncOperation PostAnswer(string sessionId, string connectionId, string sdp)
{
var obj = new AnswerReqData { connectionId = connectionId, sdp = sdp };
var data = new System.Text.UTF8Encoding().GetBytes(JsonUtility.ToJson(obj));
var req = new UnityWebRequest($"{Url}/signaling/answer", "POST");
req.SetRequestHeader("Session-Id", sessionId);
req.SetRequestHeader("Content-Type", "application/json");
req.uploadHandler = new UploadHandlerRaw(data);
var op = req.SendWebRequest<None>();
return op;
}
public UnityWebRequestAsyncOperation GetAnswer(string sessionId, string connectionId, long fromTime = 0)
{
var req = new UnityWebRequest($"{Url}/signaling/answer?fromtime={fromTime}", "GET");
req.SetRequestHeader("Session-Id", sessionId);
var op = req.SendWebRequest<AnswerResData>();
return op;
}
public UnityWebRequestAsyncOperation PostCandidate(string sessionId, string connectionId, string candidate, string sdpMid, int sdpMlineIndex)
{
var obj = new CandidateReqData { connectionId = connectionId, candidate = candidate, sdpMid = sdpMid, sdpMLineIndex = sdpMlineIndex };
var data = new System.Text.UTF8Encoding().GetBytes(JsonUtility.ToJson(obj));
var req = new UnityWebRequest($"{Url}/signaling/candidate", "POST");
req.SetRequestHeader("Session-Id", sessionId);
req.SetRequestHeader("Content-Type", "application/json");
req.uploadHandler = new UploadHandlerRaw(data);
var op = req.SendWebRequest<None>();
return op;
}
public UnityWebRequestAsyncOperation GetCandidate(string sessionId, long fromTime = 0)
{
var req = new UnityWebRequest($"{Url}/signaling/candidate?fromtime={fromTime}", "GET");
req.SetRequestHeader("Session-Id", sessionId);
var op = req.SendWebRequest<CandidateContainerResDataList>();
return op;
}
}
}
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