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core: In TLS build of library, support both TLS and non-TLS connections. (#389)

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The choice is made at runtime, if a TLS URI (https:// or wss://) is
given, the TLS client will be used, otherwise the non-TLS client will be
used.

Additionally, a new constructor is introduced allowing the URI to be
passed at construction, which allows the above selection to occur,
otherwise only the default for the library (TLS or non-TLS) will be used
(preserving the original behavior).

Co-authored-by: Joel Nordell <joel.nordell@erisfutures.com>
This commit is contained in:
Leytou 2023-02-17 16:47:01 +08:00 committed by GitHub
parent fb8efd9503
commit ddd0e5b555
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7 changed files with 305 additions and 118 deletions
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14
API.md
View File

@ -91,6 +91,16 @@ Get current namespace name which the client is inside.
#### Constructors
`client()` default constructor.
`client(const std::string& uri)`
Constructor with URI. This form of the constructor will select automatically
between TLS and non-TLS versions of the client if you are linking with the
TLS build. To use TLS, provide a URI with the `https://` or `wss://` scheme,
otherwise use 'http://' or 'ws://'. If an unsupported scheme is given, an
exception will be thrown.
After constructing with this URI, you may call `connect()` with no arguments.
#### Connection Listeners
`void set_open_listener(con_listener const& l)`
@ -130,6 +140,10 @@ Set listener for socket close event, called when any sockets being closed, after
```
#### Connect and Close
`void connect()`
Connect to socket.io server URI previously given to the constructor.
`void connect(const std::string& uri)`
Connect to socket.io server, e.g., `client.connect("ws://localhost:3000");`

259
src/internal/sio_client_impl.cpp
View File

@ -12,6 +12,7 @@
#include <chrono>
#include <mutex>
#include <cmath>
#include <algorithm>
// Comment this out to disable handshake logging to stdout
#if DEBUG || _DEBUG
#define LOG(x) std::cout << x
@ -28,14 +29,27 @@
using std::chrono::milliseconds;
using namespace std;
namespace {
bool iequals(const string& a, const string& b)
{
if(a.size() != b.size()) { return false; }
return std::equal(a.begin(), a.end(),
b.begin(), [](char a, char b) {
return tolower(a) == tolower(b);
});
}
}
namespace sio
{
/*************************public:*************************/
client_impl::client_impl() :
template<typename client_type>
client_impl<client_type>::client_impl(const string& uri) :
m_base_url(uri),
m_con_state(con_closed),
m_ping_interval(0),
m_ping_timeout(0),
m_network_thread(),
m_con_state(con_closed),
m_reconn_delay(5000),
m_reconn_delay_max(25000),
m_reconn_attempts(0xFFFFFFFF),
@ -52,25 +66,24 @@ namespace sio
// Bind the clients we are using
using std::placeholders::_1;
using std::placeholders::_2;
m_client.set_open_handler(std::bind(&client_impl::on_open,this,_1));
m_client.set_close_handler(std::bind(&client_impl::on_close,this,_1));
m_client.set_fail_handler(std::bind(&client_impl::on_fail,this,_1));
m_client.set_message_handler(std::bind(&client_impl::on_message,this,_1,_2));
#if SIO_TLS
m_client.set_tls_init_handler(std::bind(&client_impl::on_tls_init,this,_1));
#endif
m_packet_mgr.set_decode_callback(std::bind(&client_impl::on_decode,this,_1));
m_packet_mgr.set_encode_callback(std::bind(&client_impl::on_encode,this,_1,_2));
m_client.set_open_handler(std::bind(&client_impl<client_type>::on_open,this,_1));
m_client.set_close_handler(std::bind(&client_impl<client_type>::on_close,this,_1));
m_client.set_fail_handler(std::bind(&client_impl<client_type>::on_fail,this,_1));
m_client.set_message_handler(std::bind(&client_impl<client_type>::on_message,this,_1,_2));
m_packet_mgr.set_decode_callback(std::bind(&client_impl<client_type>::on_decode,this,_1));
m_packet_mgr.set_encode_callback(std::bind(&client_impl<client_type>::on_encode,this,_1,_2));
template_init();
}
client_impl::~client_impl()
template<typename client_type>
client_impl<client_type>::~client_impl()
{
this->sockets_invoke_void(&sio::socket::on_close);
this->sockets_invoke_void(socket_on_close());
sync_close();
}
void client_impl::connect(const string& uri, const map<string,string>& query, const map<string, string>& headers)
template<typename client_type>
void client_impl<client_type>::connect(const string& uri, const map<string,string>& query, const map<string, string>& headers)
{
if(m_reconn_timer)
{
@ -94,8 +107,11 @@ namespace sio
}
}
m_con_state = con_opening;
m_base_url = uri;
m_reconn_made = 0;
if(!uri.empty())
{
m_base_url = uri;
}
string query_str;
for(map<string,string>::const_iterator it=query.begin();it!=query.end();++it){
@ -110,12 +126,13 @@ namespace sio
m_http_headers = headers;
this->reset_states();
m_client.get_io_service().dispatch(std::bind(&client_impl::connect_impl,this,uri,m_query_string));
m_network_thread.reset(new thread(std::bind(&client_impl::run_loop,this)));//uri lifecycle?
m_client.get_io_service().dispatch(std::bind(&client_impl<client_type>::connect_impl,this,m_base_url,m_query_string));
m_network_thread.reset(new thread(std::bind(&client_impl<client_type>::run_loop,this)));//uri lifecycle?
}
socket::ptr const& client_impl::socket(string const& nsp)
template<typename client_type>
socket::ptr const& client_impl<client_type>::socket(string const& nsp)
{
lock_guard<mutex> guard(m_socket_mutex);
string aux;
@ -140,23 +157,25 @@ namespace sio
}
else
{
pair<const string, socket::ptr> p(aux,shared_ptr<sio::socket>(new sio::socket(this,aux)));
pair<const string, socket::ptr> p(aux,shared_ptr<sio::socket>(new_socket(aux)));
return (m_sockets.insert(p).first)->second;
}
}
void client_impl::close()
template<typename client_type>
void client_impl<client_type>::close()
{
m_con_state = con_closing;
this->sockets_invoke_void(&sio::socket::close);
m_client.get_io_service().dispatch(std::bind(&client_impl::close_impl, this,close::status::normal,"End by user"));
m_client.get_io_service().dispatch(std::bind(&client_impl<client_type>::close_impl, this,close::status::normal,"End by user"));
}
void client_impl::sync_close()
template<typename client_type>
void client_impl<client_type>::sync_close()
{
m_con_state = con_closing;
this->sockets_invoke_void(&sio::socket::close);
m_client.get_io_service().dispatch(std::bind(&client_impl::close_impl, this,close::status::normal,"End by user"));
m_client.get_io_service().dispatch(std::bind(&client_impl<client_type>::close_impl, this,close::status::normal,"End by user"));
if(m_network_thread)
{
m_network_thread->join();
@ -165,12 +184,14 @@ namespace sio
}
/*************************protected:*************************/
void client_impl::send(packet& p)
template<typename client_type>
void client_impl<client_type>::send(packet& p)
{
m_packet_mgr.encode(p);
}
void client_impl::remove_socket(string const& nsp)
template<typename client_type>
void client_impl<client_type>::remove_socket(string const& nsp)
{
lock_guard<mutex> guard(m_socket_mutex);
auto it = m_sockets.find(nsp);
@ -180,23 +201,27 @@ namespace sio
}
}
asio::io_service& client_impl::get_io_service()
template<typename client_type>
asio::io_service& client_impl<client_type>::get_io_service()
{
return m_client.get_io_service();
}
void client_impl::on_socket_closed(string const& nsp)
template<typename client_type>
void client_impl<client_type>::on_socket_closed(string const& nsp)
{
if(m_socket_close_listener)m_socket_close_listener(nsp);
}
void client_impl::on_socket_opened(string const& nsp)
template<typename client_type>
void client_impl<client_type>::on_socket_opened(string const& nsp)
{
if(m_socket_open_listener)m_socket_open_listener(nsp);
}
/*************************private:*************************/
void client_impl::run_loop()
template<typename client_type>
void client_impl<client_type>::run_loop()
{
m_client.run();
@ -205,16 +230,23 @@ namespace sio
"run loop end");
}
void client_impl::connect_impl(const string& uri, const string& queryString)
template<typename client_type>
void client_impl<client_type>::connect_impl(const string& uri, const string& queryString)
{
do{
websocketpp::uri uo(uri);
ostringstream ss;
#if SIO_TLS
ss<<"wss://";
#else
ss<<"ws://";
#endif
if(is_tls(uri))
{
// This requires SIO_TLS to have been compiled in.
ss<<"wss://";
}
else
{
ss<<"ws://";
}
const std::string host(uo.get_host());
// As per RFC2732, literal IPv6 address should be enclosed in "[" and "]".
if(host.find(':')!=std::string::npos){
@ -233,7 +265,7 @@ namespace sio
}
ss<<"&t="<<time(NULL)<<queryString;
lib::error_code ec;
client_type::connection_ptr con = m_client.get_connection(ss.str(), ec);
typename client_type::connection_ptr con = m_client.get_connection(ss.str(), ec);
if (ec) {
m_client.get_alog().write(websocketpp::log::alevel::app,
"Get Connection Error: "+ec.message());
@ -254,7 +286,8 @@ namespace sio
}
}
void client_impl::close_impl(close::status::value const& code,string const& reason)
template<typename client_type>
void client_impl<client_type>::close_impl(close::status::value const& code,string const& reason)
{
LOG("Close by reason:"<<reason << endl);
if(m_reconn_timer)
@ -273,7 +306,8 @@ namespace sio
}
}
void client_impl::send_impl(shared_ptr<const string> const& payload_ptr,frame::opcode::value opcode)
template<typename client_type>
void client_impl<client_type>::send_impl(shared_ptr<const string> const& payload_ptr,frame::opcode::value opcode)
{
if(m_con_state == con_opened)
{
@ -286,7 +320,8 @@ namespace sio
}
}
void client_impl::ping(const asio::error_code& ec)
template<typename client_type>
void client_impl<client_type>::ping(const asio::error_code& ec)
{
if(ec || m_con.expired())
{
@ -304,28 +339,30 @@ namespace sio
{
asio::error_code e_code;
m_ping_timer->expires_from_now(milliseconds(m_ping_interval), e_code);
m_ping_timer->async_wait(std::bind(&client_impl::ping,this, std::placeholders::_1));
m_ping_timer->async_wait(std::bind(&client_impl<client_type>::ping,this,std::placeholders::_1));
}
if(!m_ping_timeout_timer)
{
m_ping_timeout_timer.reset(new asio::steady_timer(m_client.get_io_service()));
std::error_code timeout_ec;
m_ping_timeout_timer->expires_from_now(milliseconds(m_ping_timeout), timeout_ec);
m_ping_timeout_timer->async_wait(std::bind(&client_impl::timeout_pong, this, std::placeholders::_1));
m_ping_timeout_timer->async_wait(std::bind(&client_impl<client_type>::timeout_pong, this,std::placeholders::_1));
}
}
void client_impl::timeout_pong(const asio::error_code &ec)
template<typename client_type>
void client_impl<client_type>::timeout_pong(const std::error_code &ec)
{
if(ec)
{
return;
}
LOG("Pong timeout"<<endl);
m_client.get_io_service().dispatch(std::bind(&client_impl::close_impl, this,close::status::policy_violation,"Pong timeout"));
m_client.get_io_service().dispatch(std::bind(&client_impl<client_type>::close_impl, this,close::status::policy_violation,"Pong timeout"));
}
void client_impl::timeout_reconnect(asio::error_code const& ec)
template<typename client_type>
void client_impl<client_type>::timeout_reconnect(std::error_code const& ec)
{
if(ec)
{
@ -338,18 +375,20 @@ namespace sio
this->reset_states();
LOG("Reconnecting..."<<endl);
if(m_reconnecting_listener) m_reconnecting_listener();
m_client.get_io_service().dispatch(std::bind(&client_impl::connect_impl,this,m_base_url,m_query_string));
m_client.get_io_service().dispatch(std::bind(&client_impl<client_type>::connect_impl,this,m_base_url,m_query_string));
}
}
unsigned client_impl::next_delay() const
template<typename client_type>
unsigned client_impl<client_type>::next_delay() const
{
//no jitter, fixed power root.
unsigned reconn_made = min<unsigned>(m_reconn_made,32);//protect the pow result to be too big.
return static_cast<unsigned>(min<double>(m_reconn_delay * pow(1.5,reconn_made),m_reconn_delay_max));
}
socket::ptr client_impl::get_socket_locked(string const& nsp)
template<typename client_type>
socket::ptr client_impl<client_type>::get_socket_locked(string const& nsp)
{
lock_guard<mutex> guard(m_socket_mutex);
auto it = m_sockets.find(nsp);
@ -363,7 +402,8 @@ namespace sio
}
}
void client_impl::sockets_invoke_void(void (sio::socket::*fn)(void))
template<typename client_type>
void client_impl<client_type>::sockets_invoke_void(void (sio::socket::*fn)(void))
{
map<const string,socket::ptr> socks;
{
@ -375,11 +415,12 @@ namespace sio
}
}
void client_impl::on_fail(connection_hdl)
template<typename client_type>
void client_impl<client_type>::on_fail(connection_hdl con)
{
m_con.reset();
m_con_state = con_closed;
this->sockets_invoke_void(&sio::socket::on_disconnect);
this->sockets_invoke_void(socket_on_disconnect());
LOG("Connection failed." << endl);
if(m_reconn_made<m_reconn_attempts)
{
@ -389,33 +430,35 @@ namespace sio
m_reconn_timer.reset(new asio::steady_timer(m_client.get_io_service()));
asio::error_code ec;
m_reconn_timer->expires_from_now(milliseconds(delay), ec);
m_reconn_timer->async_wait(std::bind(&client_impl::timeout_reconnect,this, std::placeholders::_1));
m_reconn_timer->async_wait(std::bind(&client_impl<client_type>::timeout_reconnect,this,std::placeholders::_1));
}
else
{
if(m_fail_listener)m_fail_listener();
}
}
void client_impl::on_open(connection_hdl con)
template<typename client_type>
void client_impl<client_type>::on_open(connection_hdl con)
{
LOG("Connected." << endl);
m_con_state = con_opened;
m_con = con;
m_reconn_made = 0;
this->sockets_invoke_void(&sio::socket::on_open);
this->sockets_invoke_void(socket_on_open());
this->socket("");
if(m_open_listener)m_open_listener();
}
void client_impl::on_close(connection_hdl con)
template<typename client_type>
void client_impl<client_type>::on_close(connection_hdl con)
{
LOG("Client Disconnected." << endl);
con_state m_con_state_was = m_con_state;
m_con_state = con_closed;
lib::error_code ec;
close::status::value code = close::status::normal;
client_type::connection_ptr conn_ptr = m_client.get_con_from_hdl(con, ec);
typename client_type::connection_ptr conn_ptr = m_client.get_con_from_hdl(con, ec);
if (ec) {
LOG("OnClose get conn failed"<<ec<<endl);
}
@ -433,12 +476,12 @@ namespace sio
// sometimes get a TLS Short Read error when closing.)
if(code == close::status::normal || m_con_state_was == con_closing)
{
this->sockets_invoke_void(&sio::socket::on_disconnect);
this->sockets_invoke_void(socket_on_disconnect());
reason = client::close_reason_normal;
}
else
{
this->sockets_invoke_void(&sio::socket::on_disconnect);
this->sockets_invoke_void(socket_on_disconnect());
if(m_reconn_made<m_reconn_attempts)
{
LOG("Reconnect for attempt:"<<m_reconn_made<<endl);
@ -447,7 +490,7 @@ namespace sio
m_reconn_timer.reset(new asio::steady_timer(m_client.get_io_service()));
asio::error_code ec;
m_reconn_timer->expires_from_now(milliseconds(delay), ec);
m_reconn_timer->async_wait(std::bind(&client_impl::timeout_reconnect,this, std::placeholders::_1));
m_reconn_timer->async_wait(std::bind(&client_impl<client_type>::timeout_reconnect,this,std::placeholders::_1));
return;
}
reason = client::close_reason_drop;
@ -458,19 +501,21 @@ namespace sio
m_close_listener(reason);
}
}
void client_impl::on_message(connection_hdl, client_type::message_ptr msg)
template<typename client_type>
void client_impl<client_type>::on_message(connection_hdl con, message_ptr msg)
{
if (m_ping_timeout_timer) {
asio::error_code ec;
m_ping_timeout_timer->expires_from_now(milliseconds(m_ping_timeout),ec);
m_ping_timeout_timer->async_wait(std::bind(&client_impl::timeout_pong, this, std::placeholders::_1));
m_ping_timeout_timer->async_wait(std::bind(&client_impl<client_type>::timeout_pong, this,std::placeholders::_1));
}
// Parse the incoming message according to socket.IO rules
m_packet_mgr.put_payload(msg->get_payload());
}
void client_impl::on_handshake(message::ptr const& message)
template<typename client_type>
void client_impl<client_type>::on_handshake(message::ptr const& message)
{
if(message && message->get_flag() == message::flag_object)
{
@ -506,16 +551,17 @@ namespace sio
asio::error_code ec;
m_ping_timer->expires_from_now(milliseconds(m_ping_interval), ec);
if(ec)LOG("ec:"<<ec.message()<<endl);
m_ping_timer->async_wait(std::bind(&client_impl::ping,this, std::placeholders::_1));
m_ping_timer->async_wait(std::bind(&client_impl<client_type>::ping,this,std::placeholders::_1));
LOG("On handshake,sid:"<<m_sid<<",ping interval:"<<m_ping_interval<<",ping timeout"<<m_ping_timeout<<endl);
return;
}
failed:
//just close it.
m_client.get_io_service().dispatch(std::bind(&client_impl::close_impl, this,close::status::policy_violation,"Handshake error"));
m_client.get_io_service().dispatch(std::bind(&client_impl<client_type>::close_impl, this,close::status::policy_violation,"Handshake error"));
}
void client_impl::on_pong()
template<typename client_type>
void client_impl<client_type>::on_pong()
{
if(m_ping_timeout_timer)
{
@ -524,14 +570,15 @@ failed:
}
}
void client_impl::on_decode(packet const& p)
template<typename client_type>
void client_impl<client_type>::on_decode(packet const& p)
{
switch(p.get_frame())
{
case packet::frame_message:
{
socket::ptr so_ptr = get_socket_locked(p.get_nsp());
if(so_ptr)so_ptr->on_message_packet(p);
if(so_ptr)socket_on_message_packet(so_ptr, p);
break;
}
case packet::frame_open:
@ -549,14 +596,16 @@ failed:
break;
}
}
void client_impl::on_encode(bool isBinary,shared_ptr<const string> const& payload)
template<typename client_type>
void client_impl<client_type>::on_encode(bool isBinary,shared_ptr<const string> const& payload)
{
LOG("encoded payload length:"<<payload->length()<<endl);
m_client.get_io_service().dispatch(std::bind(&client_impl::send_impl,this,payload,isBinary?frame::opcode::binary:frame::opcode::text));
m_client.get_io_service().dispatch(std::bind(&client_impl<client_type>::send_impl,this,payload,isBinary?frame::opcode::binary:frame::opcode::text));
}
void client_impl::clear_timers()
template<typename client_type>
void client_impl<client_type>::clear_timers()
{
LOG("clear timers"<<endl);
asio::error_code ec;
@ -571,16 +620,23 @@ failed:
m_ping_timer.reset();
}
}
void client_impl::reset_states()
template<typename client_type>
void client_impl<client_type>::reset_states()
{
m_client.reset();
m_sid.clear();
m_packet_mgr.reset();
}
template<>
void client_impl<client_type_no_tls>::template_init()
{
}
#if SIO_TLS
client_impl::context_ptr client_impl::on_tls_init(connection_hdl conn)
typedef websocketpp::lib::shared_ptr<asio::ssl::context> context_ptr;
static context_ptr on_tls_init(connection_hdl conn)
{
context_ptr ctx = context_ptr(new asio::ssl::context(asio::ssl::context::tls));
asio::error_code ec;
@ -595,9 +651,48 @@ failed:
return ctx;
}
template<>
void client_impl<client_type_tls>::template_init()
{
m_client.set_tls_init_handler(&on_tls_init);
}
#endif
std::string client_impl::encode_query_string(const std::string &query){
bool client_impl_base::is_tls(const string& uri)
{
websocketpp::uri uo(uri);
if(iequals(uo.get_scheme(), "http") || iequals(uo.get_scheme(), "ws"))
{
return false;
}
#if SIO_TLS
else if(iequals(uo.get_scheme(), "https") || iequals(uo.get_scheme(), "wss"))
{
return true;
}
#endif
else
{
throw std::runtime_error("unsupported URI scheme");
}
}
socket*
client_impl_base::new_socket(const string& nsp)
{ return new sio::socket(this, nsp); }
void
client_impl_base::socket_on_message_packet(socket::ptr& s, const packet& p)
{ s->on_message_packet(p); }
template class client_impl<client_type_no_tls>;
#if SIO_TLS
template class client_impl<client_type_tls>;
#endif
template<typename client_type>
std::string client_impl<client_type>::encode_query_string(const std::string &query){
ostringstream ss;
ss << std::hex;
// Percent-encode (RFC3986) non-alphanumeric characters.

92
src/internal/sio_client_impl.h
View File

@ -15,19 +15,17 @@
#if _DEBUG || DEBUG
#if SIO_TLS
#include <websocketpp/config/debug_asio.hpp>
typedef websocketpp::config::debug_asio_tls client_config;
#else
typedef websocketpp::config::debug_asio_tls client_config_tls;
#endif //SIO_TLS
#include <websocketpp/config/debug_asio_no_tls.hpp>
typedef websocketpp::config::debug_asio client_config;
#endif //SIO_TLS
#else
#if SIO_TLS
#include <websocketpp/config/asio_client.hpp>
typedef websocketpp::config::asio_tls_client client_config;
#else
typedef websocketpp::config::asio_tls_client client_config_tls;
#endif //SIO_TLS
#include <websocketpp/config/asio_no_tls_client.hpp>
typedef websocketpp::config::asio_client client_config;
#endif //SIO_TLS
#endif //DEBUG
#if SIO_TLS
@ -48,11 +46,13 @@ namespace sio
{
using namespace websocketpp;
typedef websocketpp::client<client_config> client_type;
class client_impl {
protected:
typedef websocketpp::client<client_config> client_type_no_tls;
#if SIO_TLS
typedef websocketpp::client<client_config_tls> client_type_tls;
#endif
class client_impl_base {
public:
enum con_state
{
con_opening,
@ -60,9 +60,61 @@ namespace sio
con_closing,
con_closed
};
client_impl();
client_impl_base() {}
virtual ~client_impl_base() {}
// listeners and event bindings. (see SYNTHESIS_SETTER below)
virtual void set_open_listener(client::con_listener const&)=0;
virtual void set_fail_listener(client::con_listener const&)=0;
virtual void set_reconnect_listener(client::reconnect_listener const&)=0;
virtual void set_reconnecting_listener(client::con_listener const&)=0;
virtual void set_close_listener(client::close_listener const&)=0;
virtual void set_socket_open_listener(client::socket_listener const&)=0;
virtual void set_socket_close_listener(client::socket_listener const&)=0;
// used by sio::client
virtual void clear_con_listeners()=0;
virtual void clear_socket_listeners()=0;
virtual void connect(const std::string& uri, const std::map<std::string, std::string>& queryString,
const std::map<std::string, std::string>& httpExtraHeaders)=0;
virtual sio::socket::ptr const& socket(const std::string& nsp)=0;
virtual void close()=0;
virtual void sync_close()=0;
virtual bool opened() const=0;
virtual std::string const& get_sessionid() const=0;
virtual void set_reconnect_attempts(unsigned attempts)=0;
virtual void set_reconnect_delay(unsigned millis)=0;
virtual void set_reconnect_delay_max(unsigned millis)=0;
// used by sio::socket
virtual void send(packet& p)=0;
virtual void remove_socket(std::string const& nsp)=0;
virtual asio::io_service& get_io_service()=0;
virtual void on_socket_closed(std::string const& nsp)=0;
virtual void on_socket_opened(std::string const& nsp)=0;
// used for selecting whether or not to use TLS
static bool is_tls(const std::string& uri);
protected:
// Wrap protected member functions of sio::socket because only client_impl_base is friended.
sio::socket* new_socket(std::string const&);
void socket_on_message_packet(sio::socket::ptr&, packet const&);
typedef void (sio::socket::*socket_void_fn)(void);
inline socket_void_fn socket_on_close() { return &sio::socket::on_close; }
inline socket_void_fn socket_on_disconnect() { return &sio::socket::on_disconnect; }
inline socket_void_fn socket_on_open() { return &sio::socket::on_open; }
};
template<typename client_type>
class client_impl: public client_impl_base {
public:
typedef typename client_type::message_ptr message_ptr;
client_impl(const std::string& uri = std::string());
void template_init(); // template-specific initialization
~client_impl();
//set listeners and event bindings.
@ -123,7 +175,7 @@ namespace sio
void set_reconnect_delay_max(unsigned millis) {m_reconn_delay_max = millis;if(m_reconn_delay>millis) m_reconn_delay = millis;}
protected:
public:
void send(packet& p);
void remove_socket(std::string const& nsp);
@ -165,7 +217,7 @@ namespace sio
void on_close(connection_hdl con);
void on_message(connection_hdl con, client_type::message_ptr msg);
void on_message(connection_hdl con, message_ptr msg);
//socketio callbacks
void on_handshake(message::ptr const& message);
@ -176,15 +228,9 @@ namespace sio
void clear_timers();
#if SIO_TLS
typedef websocketpp::lib::shared_ptr<asio::ssl::context> context_ptr;
context_ptr on_tls_init(connection_hdl con);
#endif
// Percent encode query string
std::string encode_query_string(const std::string &query);
// Connection pointer for client functions.
connection_hdl m_con;
client_type m_client;

23
src/sio_client.cpp
View File

@ -13,10 +13,24 @@ using std::stringstream;
namespace sio
{
client::client():
m_impl(new client_impl())
m_impl(new client_impl<client_type_no_tls>())
{
}
client::client(const std::string& uri)
{
if(!client_impl_base::is_tls(uri))
{
m_impl = new client_impl<client_type_no_tls>(uri);
}
#if SIO_TLS
else
{
m_impl = new client_impl<client_type_tls>(uri);
}
#endif
}
client::~client()
{
delete m_impl;
@ -67,6 +81,11 @@ namespace sio
m_impl->clear_socket_listeners();
}
void client::connect()
{
m_impl->connect(std::string(), {}, {});
}
void client::connect(const std::string& uri)
{
m_impl->connect(uri, {}, {});

19
src/sio_client.h
View File

@ -13,7 +13,7 @@
namespace sio
{
class client_impl;
class client_impl_base;
class client {
public:
@ -30,8 +30,19 @@ namespace sio
typedef std::function<void(unsigned, unsigned)> reconnect_listener;
typedef std::function<void(std::string const& nsp)> socket_listener;
// The default constructor builds a TLS-only or a non-TLS client depending
// on which library you link with.
client();
// This version of the constructor takes a given connection URI and selects
// TLS or non-TLS as needed. If building the library without SIO_TLS support,
// you may only use http:// or ws:// schemes, or an exception is thrown.
// When using this constructor, you may later call connect() without passing
// the URI again. If you pass another URI later to connect() it must have the
// same scheme as the one given here, or an exception will be raised.
client(const std::string& uri);
~client();
//set listeners and event bindings.
@ -54,6 +65,8 @@ namespace sio
void clear_socket_listeners();
// Client Functions - such as send, etc.
void connect();
void connect(const std::string& uri);
void connect(const std::string& uri, const std::map<std::string,std::string>& query);
@ -83,7 +96,7 @@ namespace sio
client(client const&){}
void operator=(client const&){}
client_impl* m_impl;
client_impl_base* m_impl;
};
}

10
src/sio_socket.cpp
View File

@ -108,7 +108,7 @@ namespace sio
{
public:
impl(client_impl *,std::string const&);
impl(client_impl_base *,std::string const&);
~impl();
void on(std::string const& event_name,event_listener_aux const& func);
@ -169,7 +169,7 @@ namespace sio
static unsigned int s_global_event_id;
sio::client_impl *m_client;
sio::client_impl_base *m_client;
bool m_connected;
std::string m_nsp;
@ -228,7 +228,7 @@ namespace sio
m_error_listener = nullptr;
}
socket::impl::impl(client_impl *client,std::string const& nsp):
socket::impl::impl(client_impl_base* client, std::string const& nsp):
m_client(client),
m_connected(false),
m_nsp(nsp)
@ -329,7 +329,7 @@ namespace sio
void socket::impl::on_close()
{
NULL_GUARD(m_client);
sio::client_impl *client = m_client;
sio::client_impl_base *client = m_client;
m_client = NULL;
if(m_connection_timer)
@ -527,7 +527,7 @@ namespace sio
return socket::event_listener();
}
socket::socket(client_impl* client,std::string const& nsp):
socket::socket(client_impl_base* client,std::string const& nsp):
m_impl(new impl(client,nsp))
{
}

6
src/sio_socket.h
View File

@ -39,7 +39,7 @@ namespace sio
friend class event_adapter;
};
class client_impl;
class client_impl_base;
class packet;
//The name 'socket' is taken from concept of official socket.io.
@ -75,7 +75,7 @@ namespace sio
std::string const& get_namespace() const;
protected:
socket(client_impl*,std::string const&);
socket(client_impl_base*,std::string const&);
void on_connected();
@ -87,7 +87,7 @@ namespace sio
void on_message_packet(packet const& p);
friend class client_impl;
friend class client_impl_base;
private:
//disable copy constructor and assign operator.