Add Nanoleaf support

Controllers/NanoleafController/NanoleafController.cpp

@@ -0,0 +1,211 @@
+/*-----------------------------------------*\
+|  NanoleafController.cpp                   |
+|                                           |
+|  API Interface for Nanoleaf devices       |
+|                                           |
+|  Nikita Rushmanov 01/13/2022              |
+\*-----------------------------------------*/
+
+#include "NanoleafController.h"
+#include "LogManager.h"
+#include <curl/curl.h>
+
+std::size_t WriteMemoryCallback(const char* in, std::size_t size, std::size_t num, std::string* out)
+{
+    const std::size_t totalBytes(size * num);
+    out->append(in, totalBytes);
+    return totalBytes;
+}
+
+long APIRequest(std::string method, std::string location, std::string URI, json* request_data = nullptr, json* response_data = nullptr)
+{
+    const std::string url("http://"+location+URI);
+
+    CURL* curl = curl_easy_init();
+
+    // Set remote URL.
+    curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, method.c_str());
+    curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+
+    // Don't bother trying IPv6, which would increase DNS resolution time.
+    curl_easy_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
+
+    // Don't wait forever, time out after 10 seconds.
+    curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10);
+
+    // Follow HTTP redirects if necessary.
+    curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
+
+    if(request_data)
+    {
+        // LOG_DEBUG("[Nanoleaf] Sending data: %s", request_data->dump().c_str());
+        curl_easy_setopt(curl, CURLOPT_COPYPOSTFIELDS, request_data->dump().c_str());
+    }
+
+    // Response information.
+    long httpCode(0);
+    std::unique_ptr<std::string> httpData(new std::string());
+
+    // Hook up data handling function.
+    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
+
+    /*---------------------------------------------------------*\
+    | Hook up data container (will be passed as the last        |
+    | parameter to the callback handling function). Can be any  |
+    | pointer type, since it will internally be passed as a     |
+    | void pointer.                                             |
+    \*---------------------------------------------------------*/
+    curl_easy_setopt(curl, CURLOPT_WRITEDATA, httpData.get());
+
+    // Run our HTTP GET command, capture the HTTP response code, and clean up.
+    curl_easy_perform(curl);
+    curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpCode);
+    curl_easy_cleanup(curl);
+
+    if (httpCode/100 == 2)
+    {
+        if(response_data)
+        {
+            *response_data = json::parse(*httpData.get());
+        }
+    }
+    else
+    {
+        LOG_DEBUG("[Nanoleaf] HTTP %i:Could not %s from %s", httpCode, method, url);
+    }
+
+    return httpCode;
+}
+
+NanoleafController::NanoleafController(std::string a_address, int a_port, std::string a_auth_token)
+{
+    address = a_address;
+    port = a_port;
+    auth_token = a_auth_token;
+    location = address+":"+std::to_string(port);
+
+    json data;
+    if(APIRequest("GET", location, "/api/v1/"+auth_token, nullptr, &data) == 200)
+    {
+        name = data["name"];
+        serial = data["serialNo"];
+        manufacturer = data["manufacturer"];
+        firmware_version = data["firmwareVersion"];
+        model = data["model"];
+
+        brightness = data["state"]["brightness"]["value"];
+        selectedEffect = data["effects"]["select"];
+
+        for(json::const_iterator it = data["effects"]["effectsList"].begin(); it != data["effects"]["effectsList"].end(); ++it)
+        {
+            effects.push_back(it.value());
+        }
+
+        for(json::const_iterator it = data["panelLayout"]["layout"]["positionData"].begin(); it != data["panelLayout"]["layout"]["positionData"].end(); ++it)
+        {
+            panel_ids.push_back(it.value()["panelId"].get<int>());
+        }
+    }
+    else
+    {
+        throw std::exception();
+    }
+}
+
+std::string NanoleafController::Pair(std::string address, int port)
+{
+    const std::string location = address+":"+std::to_string(port);
+
+    json data;
+    if(APIRequest("POST", location, "/api/v1/new", nullptr, &data) == 200)
+    {
+        return data["auth_token"];
+    }
+    else
+    {
+        throw std::exception();
+    }
+}
+
+void NanoleafController::Unpair(std::string address, int port, std::string auth_token)
+{
+    const std::string location = address+":"+std::to_string(port);
+
+    // We really don't care if this fails.
+    APIRequest("DELETE", location, "/api/v1/"+auth_token, nullptr, nullptr);
+}
+
+void NanoleafController::UpdateLEDs(std::vector<RGBColor>& colors)
+{
+    // Requires StartExternalControl() to have been called prior.
+
+    if(model == NANOLEAF_LIGHT_PANELS_MODEL)
+    {
+        uint8_t size = panel_ids.size();
+
+        uint8_t* message = (uint8_t*)malloc(size*7+6+1);
+
+        message[0] = (uint8_t)size;
+
+        for (int i = 0; i < size; i++)
+        {
+            message[7*i+0+1] = (uint8_t)panel_ids[i];
+            message[7*i+1+1] = (uint8_t)1;
+            message[7*i+2+1] = (uint8_t)RGBGetRValue(colors[i]);
+            message[7*i+3+1] = (uint8_t)RGBGetGValue(colors[i]);
+            message[7*i+4+1] = (uint8_t)RGBGetBValue(colors[i]);
+            message[7*i+5+1] = (uint8_t)0;
+            message[7*i+6+1] = (uint8_t)0;
+        }
+
+        external_control_socket.udp_write(reinterpret_cast<char*>(message), size*7+6+1);
+    }
+    else if(model == NANOLEAF_CANVAS_MODEL)
+    {
+        // Insert V2 protocol implementation here.
+    }
+}
+
+void NanoleafController::StartExternalControl()
+{
+    json request;
+    request["write"]["command"] = "display";
+    request["write"]["animType"] = "extControl";
+
+    if(model == NANOLEAF_LIGHT_PANELS_MODEL)
+    {
+        request["write"]["extControlVersion"] = "v1";
+    }
+    else if(model == NANOLEAF_CANVAS_MODEL)
+    {
+        request["write"]["extControlVersion"] = "v2";
+    }
+
+    json response;
+    if(APIRequest("PUT", location, "/api/v1/"+auth_token+"/effects", &request, &response)/100 == 2)
+    {
+        external_control_socket.udp_client(response["streamControlIpAddr"].get<std::string>().c_str(), std::to_string(response["streamControlPort"].get<int>()).c_str());
+
+        selectedEffect = NANOLEAF_DIRECT_MODE_EFFECT_NAME;
+    }
+}
+
+void NanoleafController::SelectEffect(std::string effect_name)
+{
+    json request;
+    request["select"] = effect_name;
+    if(APIRequest("PUT", location, "/api/v1/"+auth_token+"/effects", &request)/100 == 2)
+    {
+        selectedEffect = effect_name;
+    }
+}
+
+void NanoleafController::SetBrightness(int a_brightness)
+{
+    json request;
+    request["brightness"]["value"] = a_brightness;
+    if(APIRequest("PUT", location, "/api/v1/"+auth_token+"/state", &request)/100 == 2)
+    {
+        brightness = a_brightness;
+    }
+}