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
canHandle(const char * method,const char * url)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
handle(Request * request,MHD_Connection * connection,const char * url,const char * method,const char * upload_data,size_t * upload_data_size)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