X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fhttp%2Fclient.cpp;h=705f4cb7bbd0a7e09dcdbcde3dc979e9bf0cae86;hb=5afa6e0e07b20ef58d262d69d96971df9a4be71f;hp=80815e0c9f6c33a5ced29e65cb6c82674c8b8b97;hpb=6af1bfce6dc53104c5406adef32d186384525ae3;p=libs%2Fnet.git

diff --git a/source/http/client.cpp b/source/http/client.cpp
index 80815e0..705f4cb 100644
--- a/source/http/client.cpp
+++ b/source/http/client.cpp
@@ -1,6 +1,7 @@
+#include <msp/core/except.h>
 #include <msp/core/refptr.h>
 #include <msp/net/resolve.h>
-#include <msp/time/units.h>
+#include <msp/time/timedelta.h>
 #include "client.h"
 #include "request.h"
 #include "response.h"
@@ -13,6 +14,9 @@ namespace Http {
 Client::Client():
 	sock(0),
 	event_disp(0),
+	resolver(0),
+	resolve_listener(0),
+	resolve_tag(0),
 	user_agent("libmsphttp/0.1"),
 	request(0),
 	response(0)
@@ -34,26 +38,26 @@ void Client::use_event_dispatcher(IO::EventDispatcher *ed)
 		event_disp->add(*sock);
 }
 
+void Client::use_resolver(Net::Resolver *r)
+{
+	if(resolver)
+	{
+		delete resolve_listener;
+		resolve_listener = 0;
+	}
+
+	resolver = r;
+	if(resolver)
+		resolve_listener = new ResolveListener(*this);
+}
+
 void Client::start_request(const Request &r)
 {
 	if(request)
-		throw client_busy();
-
-	string host = r.get_header("Host");
-	if(host.find(':')==string::npos)
-		host += ":80";
-	RefPtr<Net::SockAddr> addr = Net::resolve(host);
+		throw invalid_state("already processing a request");
 
 	delete sock;
-	sock = new Net::StreamSocket(addr->get_family());
-	sock->set_block(false);
-
-	sock->signal_data_available.connect(sigc::mem_fun(this, &Client::data_available));
-	sock->signal_connect_finished.connect(sigc::mem_fun(this, &Client::connect_finished));
-	if(event_disp)
-		event_disp->add(*sock);
-
-	sock->connect(*addr);
+	sock = 0;
 
 	request = new Request(r);
 	if(!user_agent.empty())
@@ -62,6 +66,17 @@ void Client::start_request(const Request &r)
 	delete response;
 	response = 0;
 	in_buf.clear();
+
+	string host = r.get_header("Host");
+	if(host.find(':')==string::npos)
+		host += ":80";
+	if(resolver)
+		resolve_tag = resolver->resolve(host);
+	else
+	{
+		RefPtr<Net::SockAddr> addr = Net::resolve(host);
+		address_resolved(resolve_tag, *addr);
+	}
 }
 
 const Response *Client::get_url(const std::string &url)
@@ -104,17 +119,62 @@ void Client::abort()
 	request = 0;
 }
 
+void Client::address_resolved(unsigned tag, const Net::SockAddr &addr)
+{
+	if(tag!=resolve_tag)
+		return;
+	resolve_tag = 0;
+
+	sock = new Net::StreamSocket(addr.get_family());
+	sock->set_block(false);
+
+	sock->signal_data_available.connect(sigc::mem_fun(this, &Client::data_available));
+	sock->signal_connect_finished.connect(sigc::mem_fun(this, &Client::connect_finished));
+	if(event_disp)
+		event_disp->add(*sock);
+
+	sock->connect(addr);
+}
+
+void Client::resolve_failed(unsigned tag, const exception &err)
+{
+	if(tag!=resolve_tag)
+		return;
+	resolve_tag = 0;
+
+	delete request;
+	request = 0;
+
+	if(signal_socket_error.empty())
+		throw err;
+	signal_socket_error.emit(err);
+}
+
 void Client::connect_finished(const exception *err)
 {
 	if(err)
 	{
-		signal_socket_error.emit(*err);
-
 		delete request;
 		request = 0;
+
+		if(signal_socket_error.empty())
+			throw *err;
+		signal_socket_error.emit(*err);
 	}
 	else
-		sock->write(request->str());
+	{
+		try
+		{
+			sock->write(request->str());
+		}
+		catch(const exception &e)
+		{
+			if(signal_socket_error.empty())
+				throw;
+			signal_socket_error.emit(e);
+			return;
+		}
+	}
 }
 
 void Client::data_available()
@@ -127,6 +187,8 @@ void Client::data_available()
 	}
 	catch(const exception &e)
 	{
+		if(signal_socket_error.empty())
+			throw;
 		signal_socket_error.emit(e);
 		return;
 	}
@@ -159,5 +221,23 @@ void Client::data_available()
 	}
 }
 
+
+Client::ResolveListener::ResolveListener(Client &c):
+	client(c)
+{
+	client.resolver->signal_address_resolved.connect(sigc::mem_fun(this, &ResolveListener::address_resolved));
+	client.resolver->signal_resolve_failed.connect(sigc::mem_fun(this, &ResolveListener::resolve_failed));
+}
+
+void Client::ResolveListener::address_resolved(unsigned tag, const Net::SockAddr &addr)
+{
+	client.address_resolved(tag, addr);
+}
+
+void Client::ResolveListener::resolve_failed(unsigned tag, const exception &err)
+{
+	client.resolve_failed(tag, err);
+}
+
 } // namespace Http
 } // namespace Msp