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Commit3439043

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Expose OS-chosen address and port from async_server
1 parent92d41b7 commit3439043

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2 files changed

+25
-1
lines changed

2 files changed

+25
-1
lines changed

‎boost/network/protocol/http/server/async_server.hpp‎

Lines changed: 12 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -42,6 +42,7 @@ struct async_server_base : server_storage_base, socket_options_base {
4242
handler(options.handler()),
4343
address_(options.address()),
4444
port_(options.port()),
45+
protocol_(options.protocol()),
4546
thread_pool(options.thread_pool()
4647
? options.thread_pool()
4748
: std::make_shared<utils::thread_pool>()),
@@ -108,11 +109,19 @@ struct async_server_base : server_storage_base, socket_options_base {
108109
}
109110
}
110111

112+
/// Returns the server socket address, either IPv4 or IPv6 depending on
113+
/// server_options.protocol()
114+
const string_type&address()const {return address_; }
115+
116+
/// Returns the server socket port
117+
const string_type&port()const {return port_; }
118+
111119
private:
112120
typedef std::unique_lock<std::mutex> scoped_mutex_lock;
113121

114122
Handler &handler;
115123
string_type address_, port_;
124+
boost::asio::ip::tcp protocol_;
116125
std::shared_ptr<utils::thread_pool> thread_pool;
117126
boost::asio::ip::tcp::acceptor acceptor;
118127
bool stopping;
@@ -165,7 +174,7 @@ struct async_server_base : server_storage_base, socket_options_base {
165174
// this allows repeated cycles of run -> stop -> run
166175
service_.reset();
167176
tcp::resolverresolver(service_);
168-
tcp::resolver::queryquery(address_, port_);
177+
tcp::resolver::queryquery(protocol_,address_, port_);
169178
tcp::resolver::iterator endpoint_iterator = resolver.resolve(query, error);
170179
if (error) {
171180
BOOST_NETWORK_MESSAGE("Error resolving '" << address_ <<':' << port_);
@@ -185,6 +194,8 @@ struct async_server_base : server_storage_base, socket_options_base {
185194
<< port_);
186195
return;
187196
}
197+
address_ = acceptor.local_endpoint().address().to_string();
198+
port_ =std::to_string(acceptor.local_endpoint().port());
188199
acceptor.listen(boost::asio::socket_base::max_connections, error);
189200
if (error) {
190201
BOOST_NETWORK_MESSAGE("Error listening on socket: '"

‎boost/network/protocol/http/server/options.hpp‎

Lines changed: 13 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -9,6 +9,7 @@
99
// http://www.boost.org/LICENSE_1_0.txt)
1010

1111
#include<memory>
12+
#include<boost/asio/ip/tcp.hpp>
1213
#include<boost/asio/io_service.hpp>
1314
#include<boost/asio/socket_base.hpp>
1415
#include<boost/network/protocol/stream_handler.hpp>
@@ -34,6 +35,7 @@ struct server_options {
3435
handler_(handler),
3536
address_("localhost"),
3637
port_("80"),
38+
protocol_(boost::asio::ip::tcp::v6()),
3739
reuse_address_(false),
3840
report_aborted_(false),
3941
non_blocking_io_(true),
@@ -88,6 +90,12 @@ struct server_options {
8890
return *this;
8991
}
9092

93+
/// Set the protocol for address resolving and binding. Default is IPv6.
94+
server_options &protocol(boost::asio::ip::tcpconst &v) {
95+
protocol_ = v;
96+
return *this;
97+
}
98+
9199
/// Set whether to reuse the address (SO_REUSE_ADDR). Default is false.
92100
server_options &reuse_address(bool v) {
93101
reuse_address_ = v;
@@ -159,6 +167,9 @@ struct server_options {
159167
/// Returns the port to listen on.
160168
string_typeport()const {return port_; }
161169

170+
/// Returns the protocol used for address resolving and binding.
171+
boost::asio::ip::tcpprotocol()const {return protocol_; }
172+
162173
/// Returns a reference to the provided handler.
163174
Handler &handler()const {return handler_; }
164175

@@ -215,6 +226,7 @@ struct server_options {
215226
swap(io_service_, other.io_service_);
216227
swap(address_, other.address_);
217228
swap(port_, other.port_);
229+
swap(protocol_, other.protocol_);
218230
swap(reuse_address_, other.reuse_address_);
219231
swap(report_aborted_, other.report_aborted_);
220232
swap(non_blocking_io_, other.non_blocking_io_);
@@ -233,6 +245,7 @@ struct server_options {
233245
Handler &handler_;
234246
string_type address_;
235247
string_type port_;
248+
boost::asio::ip::tcp protocol_;
236249
bool reuse_address_;
237250
bool report_aborted_;
238251
bool non_blocking_io_;

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