Rebekah Rowe
6c4b2e9186
Commit is being made to allow additions of GPL3+ code previously un-addable. With these changes, contributions back to cuberite are possible with the backporting exemtion, as well as adding stuff in minetest with minetest code properly being read through and implimented to upgrade it to GPL3 from GPL2. project still has Apache2.0 license and credits to all its contributers, but now has the freedom of GPL3+ and all the code that can be implimented and shared with it.
152 lines
3.1 KiB
C++
152 lines
3.1 KiB
C++
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/*
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* Copyright 2011-2022 Cuberite Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// Google.cpp
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// Implements a HTTP download of the google's front page using the LibEvent-based cNetwork API
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#include "Globals.h"
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#include <thread>
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#include "OSSupport/Event.h"
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#include "OSSupport/Network.h"
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#include "OSSupport/NetworkSingleton.h"
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/** Connect callbacks that send a HTTP GET request for google.com when connected. */
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class cHTTPConnectCallbacks:
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public cNetwork::cConnectCallbacks
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{
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cEvent & m_Event;
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virtual void OnConnected(cTCPLink & a_Link) override
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{
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LOGD("Connected, sending HTTP GET");
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if (!a_Link.Send("GET / HTTP/1.0\r\nHost:google.com\r\n\r\n"))
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{
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LOGWARNING("Sending HTTP GET failed");
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}
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LOGD("HTTP GET queued.");
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}
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virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override
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{
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LOGD("Error while connecting HTTP: %d (%s)", a_ErrorCode, a_ErrorMsg.c_str());
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m_Event.Set();
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}
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public:
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cHTTPConnectCallbacks(cEvent & a_Event):
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m_Event(a_Event)
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{
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}
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};
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/** cTCPLink callbacks that dump everything it received to the log. */
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class cDumpCallbacks:
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public cTCPLink::cCallbacks
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{
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cEvent & m_Event;
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cTCPLinkPtr m_Link;
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virtual void OnLinkCreated(cTCPLinkPtr a_Link) override
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{
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ASSERT(m_Link == nullptr);
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m_Link = a_Link;
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}
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virtual void OnReceivedData(const char * a_Data, size_t a_Size) override
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{
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ASSERT(m_Link != nullptr);
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// Log the incoming data size:
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AString Hex;
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CreateHexDump(Hex, a_Data, a_Size, 16);
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LOGD("Incoming data: %u bytes:\n%s", static_cast<unsigned>(a_Size), Hex.c_str());
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}
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virtual void OnRemoteClosed(void) override
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{
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ASSERT(m_Link != nullptr);
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LOGD("Remote has closed the connection.");
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m_Link.reset();
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m_Event.Set();
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}
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virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override
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{
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ASSERT(m_Link != nullptr);
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LOGD("Error %d (%s) in the cDumpCallbacks.", a_ErrorCode, a_ErrorMsg.c_str());
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m_Link.reset();
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m_Event.Set();
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}
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public:
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cDumpCallbacks(cEvent & a_Event):
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m_Event(a_Event)
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{
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}
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};
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static void DoTest(void)
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{
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cEvent evtFinish;
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LOGD("Network test: Connecting to google.com:80, reading front page via HTTP.");
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if (!cNetwork::Connect("google.com", 80, std::make_shared<cHTTPConnectCallbacks>(evtFinish), std::make_shared<cDumpCallbacks>(evtFinish)))
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{
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LOGWARNING("Cannot queue connection to google.com");
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abort();
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}
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LOGD("Connect request has been queued.");
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evtFinish.Wait();
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}
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int main()
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{
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LOGD("Initializing cNetwork...\n");
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cNetworkSingleton::Get().Initialise();
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LOGD("Testing...");
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DoTest();
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cNetworkSingleton::Get().Terminate();
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LOGD("Network test finished");
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return 0;
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}
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