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Unified Diff: tools/skiaserve/Response.cpp

Issue 1739763002: Create Response namespace for skiaserve response functions (Closed) Base URL: https://skia.googlesource.com/skia@skiaserve-3
Patch Set: tweaks Created 4 years, 10 months ago
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Index: tools/skiaserve/Response.cpp
diff --git a/tools/skiaserve/Response.cpp b/tools/skiaserve/Response.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..16cb3b6e3d8600467bcaa42b5e7cb1ce64bc85df
--- /dev/null
+++ b/tools/skiaserve/Response.cpp
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "Response.h"
+
+#include "microhttpd.h"
+
+#include "Request.h"
+
+#include "SkCommandLineFlags.h"
+#include "SkData.h"
+#include "SkString.h"
+
+DEFINE_string(source, "https://debugger.skia.org", "Where to load the web UI from.");
+
+static SkString generate_template(SkString source) {
+ SkString debuggerTemplate;
+ debuggerTemplate.appendf(
+ "<!DOCTYPE html>\n"
+ "<html>\n"
+ "<head>\n"
+ " <title>SkDebugger</title>\n"
+ " <meta charset=\"utf-8\" />\n"
+ " <meta http-equiv=\"X-UA-Compatible\" content=\"IE=egde,chrome=1\">\n"
+ " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n"
+ " <script src=\"%s/res/js/core.js\" type=\"text/javascript\" charset=\"utf-8\"></script>\n"
+ " <link href=\"%s/res/vul/elements.html\" rel=\"import\" />\n"
+ " <link rel='shortcut icon' href='https://debugger.skia.org/res/img/favicon.ico' type='image/x-icon'/ >"
+ "</head>\n"
+ "<body class=\"fullbleed layout vertical\">\n"
+ " <debugger-app-sk>This is the app."
+ " </debugger-app-sk>\n"
+ "</body>\n"
+ "</html>", source.c_str(), source.c_str());
+ return debuggerTemplate;
+}
+
+namespace Response {
+// SendOK just sends an empty response with a 200 OK status code.
+int SendOK(MHD_Connection* connection) {
+ const char* data = "";
+
+ MHD_Response* response = MHD_create_response_from_buffer(strlen(data),
+ (void*)data,
+ MHD_RESPMEM_PERSISTENT);
+ int ret = MHD_queue_response(connection, 200, response);
+ MHD_destroy_response(response);
+ return ret;
+}
+
+int SendError(MHD_Connection* connection, const char* msg) {
+ MHD_Response* response = MHD_create_response_from_buffer(strlen(msg),
+ (void*) msg,
+ MHD_RESPMEM_PERSISTENT);
+ int ret = MHD_queue_response(connection, 500, response);
+ MHD_destroy_response(response);
+ return ret;
+}
+
+int SendData(MHD_Connection* connection, const SkData* data, const char* type,
+ bool setContentDisposition, const char* dispositionString) {
+ MHD_Response* response = MHD_create_response_from_buffer(data->size(),
+ const_cast<void*>(data->data()),
+ MHD_RESPMEM_MUST_COPY);
+ MHD_add_response_header(response, "Content-Type", type);
+
+ if (setContentDisposition) {
+ MHD_add_response_header(response, "Content-Disposition", dispositionString);
+ }
+
+ int ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
+ MHD_destroy_response(response);
+ return ret;
+}
+
+int SendJSON(MHD_Connection* connection, Request* request, int n) {
+ SkCanvas* canvas = request->getCanvas();
+ SkDebugCanvas* debugCanvas = request->fDebugCanvas;
+ UrlDataManager* urlDataManager = &request->fUrlDataManager;
+ Json::Value root = debugCanvas->toJSON(*urlDataManager, n, canvas);
+ root["mode"] = Json::Value(request->fGPUEnabled ? "gpu" : "cpu");
+ SkDynamicMemoryWStream stream;
+ stream.writeText(Json::FastWriter().write(root).c_str());
+
+ SkAutoTUnref<SkData> data(stream.copyToData());
+ return SendData(connection, data, "application/json");
+}
+
+int SendTemplate(MHD_Connection* connection, bool redirect, const char* redirectUrl) {
+ SkString debuggerTemplate = generate_template(SkString(FLAGS_source[0]));
+
+ MHD_Response* response = MHD_create_response_from_buffer(
+ debuggerTemplate.size(),
+ (void*) const_cast<char*>(debuggerTemplate.c_str()),
+ MHD_RESPMEM_MUST_COPY);
+ MHD_add_response_header (response, "Access-Control-Allow-Origin", "*");
+
+ int status = MHD_HTTP_OK;
+
+ if (redirect) {
+ MHD_add_response_header (response, "Location", redirectUrl);
+ status = MHD_HTTP_SEE_OTHER;
+ }
+
+ int ret = MHD_queue_response(connection, status, response);
+ MHD_destroy_response(response);
+ return ret;
+}
+
+} // namespace Response
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