85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
/*
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* network.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
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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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#include "network.h"
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#include "flow.h"
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NetworkAddress NetworkAddress::parse( std::string const& s ) {
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bool isTLS = false;
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std::string f;
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if( s.size() > 4 && strcmp(s.c_str() + s.size() - 4, ":tls") == 0 ) {
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isTLS = true;
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f = s.substr(0, s.size() - 4);
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} else
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f = s;
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int a,b,c,d,port,count=-1;
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if (sscanf(f.c_str(), "%d.%d.%d.%d:%d%n", &a,&b,&c,&d, &port, &count)<5 || count != f.size())
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throw connection_string_invalid();
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return NetworkAddress( (a<<24)+(b<<16)+(c<<8)+d, port, true, isTLS );
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}
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std::vector<NetworkAddress> NetworkAddress::parseList( std::string const& addrs ) {
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// Split addrs on ',' and parse them individually
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std::vector<NetworkAddress> coord;
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for(int p = 0; p <= addrs.size(); ) {
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int pComma = addrs.find_first_of(',', p);
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if (pComma == addrs.npos) pComma = addrs.size();
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NetworkAddress parsedAddress = NetworkAddress::parse( addrs.substr(p, pComma-p) );
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coord.push_back( parsedAddress );
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p = pComma + 1;
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}
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return coord;
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}
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std::string NetworkAddress::toString() const {
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return format( "%d.%d.%d.%d:%d%s", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff, port, isTLS() ? ":tls" : "" );
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}
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std::string toIPString(uint32_t ip) {
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return format( "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff );
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}
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std::string toIPVectorString(std::vector<uint32_t> ips) {
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std::string output;
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const char* space = "";
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for (auto ip : ips) {
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output += format("%s%d.%d.%d.%d", space, (ip >> 24) & 0xff, (ip >> 16) & 0xff, (ip >> 8) & 0xff, ip & 0xff);
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space = " ";
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}
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return output;
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}
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Future<Reference<IConnection>> INetworkConnections::connect( std::string host, std::string service, bool useTLS ) {
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// Use map to create an actor that returns an endpoint or throws
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Future<NetworkAddress> pickEndpoint = map(resolveTCPEndpoint(host, service), [=](std::vector<NetworkAddress> const &addresses) -> NetworkAddress {
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NetworkAddress addr = addresses[g_random->randomInt(0, addresses.size())];
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if(useTLS)
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addr.flags = NetworkAddress::FLAG_TLS;
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return addr;
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});
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// Wait for the endpoint to return, then wait for connect(endpoint) and return it.
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// Template types are being provided explicitly because they can't be automatically deduced for some reason.
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return mapAsync<NetworkAddress, std::function<Future<Reference<IConnection>>(NetworkAddress const &)>, Reference<IConnection> >
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(pickEndpoint, [=](NetworkAddress const &addr) -> Future<Reference<IConnection>> {
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return connect(addr, host);
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});
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}
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