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prettify and simplify the URL test; use a URL more likely to run a web server than localhost by default

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57665 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2008-12-30 13:51:02 +00:00
parent 1f30c75e44
commit 1e4080f02e
1 changed files with 46 additions and 49 deletions
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95
samples/sockets/client.cpp
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@@ -31,7 +31,9 @@
#include "wx/socket.h"
#include "wx/url.h"
#include "wx/wfstream.h"
#include "wx/sstream.h"
#include "wx/scopeguard.h"
#include <memory>
// --------------------------------------------------------------------------
// resources
@@ -212,7 +214,8 @@ MyFrame::MyFrame() : wxFrame((wxFrame *)NULL, wxID_ANY,
#if wxUSE_URL
m_menuProtocols = new wxMenu();
m_menuProtocols->Append(CLIENT_TESTURL, _("Test URL"), _("Get data from the specified URL"));
m_menuProtocols->Append(CLIENT_TESTURL, _("Test URL\tCtrl-U"),
_("Get data from the specified URL"));
#endif
// Append menus to the menubar
@@ -235,6 +238,7 @@ MyFrame::MyFrame() : wxFrame((wxFrame *)NULL, wxID_ANY,
_("Welcome to wxSocket demo: Client\nClient ready\n"),
wxDefaultPosition, wxDefaultSize,
wxTE_MULTILINE | wxTE_READONLY);
delete wxLog::SetActiveTarget(new wxLogTextCtrl(m_text));
// Create the socket
m_sock = new wxSocketClient();
@@ -577,62 +581,55 @@ void MyFrame::OnDatagram(wxCommandEvent& WXUNUSED(event))
void MyFrame::OnTestURL(wxCommandEvent& WXUNUSED(event))
{
// Note that we are creating a new socket here, so this
// won't mess with the client/server demo.
// Ask for the URL
static wxString s_urlname("http://www.google.com/");
wxString urlname = wxGetTextFromUser
(
_("Enter an URL to get"),
_("URL:"),
s_urlname
);
if ( urlname.empty() )
return; // cancelled by user
// Ask for the URL
m_text->AppendText(_("\n=== URL test begins ===\n"));
wxString urlname = wxGetTextFromUser(_("Enter an URL to get"),
_("URL:"),
_T("http://localhost"));
s_urlname = urlname;
// Parse the URL
wxURL url(urlname);
if (url.GetError() != wxURL_NOERR)
{
m_text->AppendText(_("Error: couldn't parse URL\n"));
m_text->AppendText(_("=== URL test ends ===\n"));
return;
}
// Try to get the input stream (connects to the given URL)
m_text->AppendText(_("Trying to establish connection...\n"));
wxYield();
wxInputStream *data = url.GetInputStream();
if (!data)
{
m_text->AppendText(_("Error: couldn't read from URL\n"));
m_text->AppendText(_("=== URL test ends ===\n"));
return;
}
wxLogMessage("=== URL test begins ===");
wxON_BLOCK_EXIT1( wxLogMessage, "=== URL test ends ===" );
// Print the contents type and file size
wxString s;
s.Printf(_("Contents type: %s\nFile size: %i\nStarting to download...\n"),
url.GetProtocol().GetContentType().c_str(),
data->GetSize());
m_text->AppendText(s);
wxYield();
// Parse the URL
wxURL url(urlname);
if ( url.GetError() != wxURL_NOERR )
{
wxLogError("Failed to parse URL \"%s\"", urlname);
return;
}
// Get the data
wxFile fileTest(wxT("test.url"), wxFile::write);
wxFileOutputStream sout(fileTest);
if (!sout.Ok())
{
m_text->AppendText(_("Error: couldn't open file for output\n"));
m_text->AppendText(_("=== URL test ends ===\n"));
return;
}
// Try to get the input stream (connects to the given URL)
wxLogMessage("Establishing connection to \"%s\"...", urlname);
const std::auto_ptr<wxInputStream> data(url.GetInputStream());
if ( !data.get() )
{
wxLogError("Failed to retrieve URL \"%s\"", urlname);
return;
}
data->Read(sout);
m_text->AppendText(_("Results written to file: test.url\n"));
m_text->AppendText(_("Done.\n"));
m_text->AppendText(_("=== URL test ends ===\n"));
// Print the contents type and file size
wxLogMessage("Contents type: %s\nFile size: %i\nStarting to download...",
url.GetProtocol().GetContentType(),
data->GetSize());
delete data;
// Get the data
wxStringOutputStream sout;
if ( data->Read(sout).GetLastError() != wxSTREAM_EOF )
wxLogError("Error reading the input stream.");
wxLogMessage("Text retrieved from URL \"%s\" follows:\n%s",
urlname, sout.GetString());
}
#endif
#endif // wxUSE_URL
void MyFrame::OnSocketEvent(wxSocketEvent& event)
{