1 /* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "UrlHandler.h" 9 10 #include "microhttpd.h" 11 #include "../Request.h" 12 #include "../Response.h" 13 14 using namespace Response; 15 16 bool CmdHandler::canHandle(const char* method, const char* url) { 17 const char* kBasePath = "/cmd"; 18 return 0 == strncmp(url, kBasePath, strlen(kBasePath)); 19 } 20 21 int CmdHandler::handle(Request* request, MHD_Connection* connection, 22 const char* url, const char* method, 23 const char* upload_data, size_t* upload_data_size) { 24 SkTArray<SkString> commands; 25 SkStrSplit(url, "/", &commands); 26 27 if (!request->hasPicture() || commands.count() > 3) { 28 return MHD_NO; 29 } 30 31 // /cmd or /cmd/N 32 if (0 == strcmp(method, MHD_HTTP_METHOD_GET)) { 33 int n; 34 if (commands.count() == 1) { 35 n = request->getLastOp(); 36 } else { 37 sscanf(commands[1].c_str(), "%d", &n); 38 } 39 40 sk_sp<SkData> data(request->getJsonOps(n)); 41 return SendData(connection, data.get(), "application/json"); 42 } 43 44 // /cmd/N, for now only delete supported 45 if (commands.count() == 2 && 0 == strcmp(method, MHD_HTTP_METHOD_DELETE)) { 46 int n; 47 sscanf(commands[1].c_str(), "%d", &n); 48 request->fDebugCanvas->deleteDrawCommandAt(n); 49 return SendOK(connection); 50 } 51 52 // /cmd/N/[0|1] 53 if (commands.count() == 3 && 0 == strcmp(method, MHD_HTTP_METHOD_POST)) { 54 int n, toggle; 55 sscanf(commands[1].c_str(), "%d", &n); 56 sscanf(commands[2].c_str(), "%d", &toggle); 57 request->fDebugCanvas->toggleCommand(n, SkToBool(toggle)); 58 return SendOK(connection); 59 } 60 61 return MHD_NO; 62 } 63