Added chapter on collection and container classes to contents

[wxWidgets.git] / src / common / http.cpp

diff --git a/src/common/http.cpp b/src/common/http.cpp
index 38cb120b729085f2e0134bdd60bbaadc2f78c06e..90d5db12a88fecc508f5f953a63c7887c817b6fc 100644 (file)
--- a/src/common/http.cpp
+++ b/src/common/http.cpp
@@ -10,20 +10,17 @@
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__

-#pragma implementation "http.h"
+  #pragma implementation "http.h"

 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-#pragma hdrstop
+  #pragma hdrstop

 #endif
 
 #endif
 

-#if wxUSE_SOCKETS
-
-#ifndef WX_PRECOMP
-#endif
+#if wxUSE_SOCKETS && wxUSE_STREAMS

 
 #include <stdio.h>
 #include <stdlib.h>
 
 #include <stdio.h>
 #include <stdlib.h>


@@ -31,13 +28,12 @@
 #include "wx/tokenzr.h"
 #include "wx/socket.h"
 #include "wx/protocol/protocol.h"
 #include "wx/tokenzr.h"
 #include "wx/socket.h"
 #include "wx/protocol/protocol.h"

+#include "wx/url.h"

 #include "wx/protocol/http.h"
 #include "wx/sckstrm.h"
 
 #include "wx/protocol/http.h"
 #include "wx/sckstrm.h"
 

-#if !USE_SHARED_LIBRARY

 IMPLEMENT_DYNAMIC_CLASS(wxHTTP, wxProtocol)
 IMPLEMENT_DYNAMIC_CLASS(wxHTTP, wxProtocol)

-IMPLEMENT_PROTOCOL(wxHTTP, _T("http"), _T("80"), TRUE)
-#endif
+IMPLEMENT_PROTOCOL(wxHTTP, wxT("http"), wxT("80"), TRUE)

 
 #define HTTP_BSIZE 2048
 
 
 #define HTTP_BSIZE 2048
 


@@ -47,8 +43,9 @@ wxHTTP::wxHTTP()
 {
   m_addr = NULL;
   m_read = FALSE;
 {
   m_addr = NULL;
   m_read = FALSE;

+  m_proxy_mode = FALSE;

 
 

-  SetNotify(REQ_LOST);
+  SetNotify(wxSOCKET_LOST_FLAG);

 }
 
 wxHTTP::~wxHTTP()
 }
 
 wxHTTP::~wxHTTP()


@@ -62,11 +59,21 @@ wxHTTP::~wxHTTP()
     delete string;
     node = node->Next();
   }
     delete string;
     node = node->Next();
   }

+
+  if (m_addr) {
+      delete m_addr;
+      m_addr = NULL;
+  }

 }
 
 wxString wxHTTP::GetContentType()
 {
 }
 
 wxString wxHTTP::GetContentType()
 {

-  return GetHeader(_T("Content-Type"));
+  return GetHeader(wxT("Content-Type"));
+}
+
+void wxHTTP::SetProxyMode(bool on)
+{
+  m_proxy_mode = on;

 }
 
 void wxHTTP::SetHeader(const wxString& header, const wxString& h_data)
 }
 
 void wxHTTP::SetHeader(const wxString& header, const wxString& h_data)


@@ -88,7 +95,12 @@ void wxHTTP::SetHeader(const wxString& header, const wxString& h_data)
 
 wxString wxHTTP::GetHeader(const wxString& header)
 {
 
 wxString wxHTTP::GetHeader(const wxString& header)
 {

-  wxNode *node = m_headers.Find(header);
+  wxNode *node;
+  wxString upper_header;
+
+  upper_header = header.Upper();
+
+  node = m_headers.Find(upper_header);

   if (!node)
     return wxEmptyString;
 
   if (!node)
     return wxEmptyString;
 


@@ -104,7 +116,7 @@ void wxHTTP::SendHeaders()
     wxString *str = (wxString *)head->Data();
 
     wxString buf;
     wxString *str = (wxString *)head->Data();
 
     wxString buf;

-    buf.Printf(_T("%s: %s\n\r"), head->GetKeyString(), str->GetData());
+    buf.Printf(wxT("%s: %s\n\r"), head->GetKeyString(), str->GetData());

 
     const wxWX2MBbuf cbuf = buf.mb_str();
     Write(cbuf, strlen(cbuf));
 
     const wxWX2MBbuf cbuf = buf.mb_str();
     Write(cbuf, strlen(cbuf));


@@ -121,21 +133,23 @@ bool wxHTTP::ParseHeaders()
   m_headers.Clear();
   m_read = TRUE;
 
   m_headers.Clear();
   m_read = TRUE;
 

-  while (1) {
-    m_error = GetLine(this, line);
-    if (m_error != wxPROTO_NOERR)
+#if defined(__VISAGECPP__)
+// VA just can't stand while(1)
+    bool bOs2var = TRUE;
+    while(bOs2var) {
+#else
+    while (1) {
+#endif
+    m_perr = GetLine(this, line);
+    if (m_perr != wxPROTO_NOERR)

       return FALSE;
 
     if (line.Length() == 0)
       break;
 
       return FALSE;
 
     if (line.Length() == 0)
       break;
 

-    printf("Header: %s\n", WXSTRINGCAST line);
-    tokenzr.SetString(line, " :\t\n\r");
-    if (!tokenzr.HasMoreToken())
-      return FALSE;
-
-    wxString left_str = tokenzr.GetNextToken();
-    wxString *str = new wxString(tokenzr.GetNextToken());
+       wxString left_str = line.BeforeFirst(':');
+       wxString *str = new wxString(line.AfterFirst(':').Strip(wxString::both));
+    left_str.MakeUpper();

 
     m_headers.Append(left_str, (wxObject *) str);
   }
 
     m_headers.Append(left_str, (wxObject *) str);
   }


@@ -146,7 +160,7 @@ bool wxHTTP::Connect(const wxString& host)
 {
   wxIPV4address *addr;
 
 {
   wxIPV4address *addr;
 

-  if (m_connected) {
+  if (m_addr) {

     delete m_addr;
     m_addr = NULL;
     Close();
     delete m_addr;
     m_addr = NULL;
     Close();


@@ -157,11 +171,11 @@ bool wxHTTP::Connect(const wxString& host)
   if (!addr->Hostname(host)) {
     delete m_addr;
     m_addr = NULL;
   if (!addr->Hostname(host)) {
     delete m_addr;
     m_addr = NULL;

-    m_error = wxPROTO_NETERR;
+    m_perr = wxPROTO_NETERR;

     return FALSE;
   }
 
     return FALSE;
   }
 

-  if (!addr->Service(_T("http")))
+  if (!addr->Service(wxT("http")))

     addr->Service(80);
 
   return TRUE;
     addr->Service(80);
 
   return TRUE;


@@ -169,69 +183,78 @@ bool wxHTTP::Connect(const wxString& host)
 
 bool wxHTTP::Connect(wxSockAddress& addr, bool WXUNUSED(wait))
 {
 
 bool wxHTTP::Connect(wxSockAddress& addr, bool WXUNUSED(wait))
 {

-  struct sockaddr *raw_addr;
-  size_t len;
-
-  m_addr = (wxSockAddress *)(addr.GetClassInfo()->CreateObject());
-
-  addr.Build(raw_addr, len);
-  m_addr->Disassemble(raw_addr, len);
+  if (m_addr) {
+    delete m_addr;
+    m_addr = NULL;
+    Close();
+  }

 
 

+  m_addr = (wxSockAddress *) addr.Clone();

   return TRUE;
 }
 
 bool wxHTTP::BuildRequest(const wxString& path, wxHTTP_Req req)
 {
   return TRUE;
 }
 
 bool wxHTTP::BuildRequest(const wxString& path, wxHTTP_Req req)
 {

-  char *tmp_buf;
-  char buf[HTTP_BSIZE];
-  const wxWX2MBbuf pathbuf = path.mb_str();
+  wxChar *tmp_buf;
+  wxChar buf[200]; // 200 is arbitrary.
+  wxString tmp_str = path;
+
+  // If there is no User-Agent defined, define it.
+  if (GetHeader(wxT("User-Agent")).IsNull())
+    SetHeader(wxT("User-Agent"), wxT("wxWindows 2.x"));

 
   switch (req) {
   case wxHTTP_GET:
 
   switch (req) {
   case wxHTTP_GET:

-    tmp_buf = "GET";
+    tmp_buf = wxT("GET");

     break;
   default:
     return FALSE;
   }
 
   SaveState();
     break;
   default:
     return FALSE;
   }
 
   SaveState();

+  SetFlags(wxSOCKET_NONE);

   Notify(FALSE);
   Notify(FALSE);

-  SetFlags(WAITALL);

 
 

-  sprintf(buf, "%s %s HTTP/1.0\n\r", tmp_buf, (const char*)pathbuf);
-  Write(buf, strlen(buf));
+  wxSprintf(buf, wxT("%s %s HTTP/1.0\n\r"), tmp_buf, tmp_str.GetData());
+  const wxWX2MBbuf pathbuf = wxConvLibc.cWX2MB(buf);
+  Write(pathbuf, strlen(wxMBSTRINGCAST pathbuf));

   SendHeaders();
   SendHeaders();

-  sprintf(buf, "\n\r");
-  Write(buf, strlen(buf));
+  Write("\n\r", 2);

 
 

-  wxString tmp_str;
-
-  m_error = GetLine(this, tmp_str);
-  if (m_error != wxPROTO_NOERR) {
+  m_perr = GetLine(this, tmp_str);
+  if (m_perr != wxPROTO_NOERR) {

     RestoreState();
     return FALSE;
   }
 
     RestoreState();
     return FALSE;
   }
 

-  if (!tmp_str.Contains(_T("HTTP/"))) {
+  if (!tmp_str.Contains(wxT("HTTP/"))) {

     // TODO: support HTTP v0.9 which can have no header.
     // TODO: support HTTP v0.9 which can have no header.

-    SetHeader(_T("Content-Length"), _T("-1"));
-    SetHeader(_T("Content-Type"), _T("none/none"));
+    // FIXME: tmp_str is not put back in the in-queue of the socket.
+    SetHeader(wxT("Content-Length"), wxT("-1"));
+    SetHeader(wxT("Content-Type"), wxT("none/none"));

     RestoreState();
     return TRUE;
   }
 
     RestoreState();
     return TRUE;
   }
 

-  wxStringTokenizer token(tmp_str,_T(' '));
+  wxStringTokenizer token(tmp_str,wxT(' '));

   wxString tmp_str2;
   bool ret_value;
 
   token.NextToken();
   tmp_str2 = token.NextToken();
 
   wxString tmp_str2;
   bool ret_value;
 
   token.NextToken();
   tmp_str2 = token.NextToken();
 

-  switch (wxAtoi(tmp_str2)) {
-  case 200:
+  switch (tmp_str2[(unsigned int) 0]) {
+  case wxT('1'):
+    /* INFORMATION / SUCCESS */
+    break;
+  case wxT('2'):
+    /* SUCCESS */
+    break;
+  case wxT('3'):
+    /* REDIRECTION */

     break;
   default:
     break;
   default:

-    m_error = wxPROTO_NOFILE;
+    m_perr = wxPROTO_NOFILE;

     RestoreState();
     return FALSE;
   }
     RestoreState();
     return FALSE;
   }


@@ -241,16 +264,34 @@ bool wxHTTP::BuildRequest(const wxString& path, wxHTTP_Req req)
   return ret_value;
 }
 
   return ret_value;
 }
 

-class wxHTTPStream : public wxSocketInputStream {
+class wxHTTPStream : public wxSocketInputStream
+{

 public:
   wxHTTP *m_http;
   size_t m_httpsize;
 public:
   wxHTTP *m_http;
   size_t m_httpsize;

+  unsigned long m_read_bytes;

 
   wxHTTPStream(wxHTTP *http) : wxSocketInputStream(*http), m_http(http) {}
 
   wxHTTPStream(wxHTTP *http) : wxSocketInputStream(*http), m_http(http) {}

-  size_t StreamSize() const { return m_httpsize; }
+  size_t GetSize() const { return m_httpsize; }

   virtual ~wxHTTPStream(void) { m_http->Abort(); }
   virtual ~wxHTTPStream(void) { m_http->Abort(); }

+
+protected:
+  size_t OnSysRead(void *buffer, size_t bufsize);

 };
 
 };
 

+size_t wxHTTPStream::OnSysRead(void *buffer, size_t bufsize)
+{
+  size_t ret;
+
+  if (m_httpsize > 0 && m_read_bytes >= m_httpsize)
+    return 0;
+
+  ret = wxSocketInputStream::OnSysRead(buffer, bufsize);
+  m_read_bytes += ret;
+
+  return ret;
+}
+

 bool wxHTTP::Abort(void)
 {
   return wxSocketClient::Close();
 bool wxHTTP::Abort(void)
 {
   return wxSocketClient::Close();


@@ -259,21 +300,28 @@ bool wxHTTP::Abort(void)
 wxInputStream *wxHTTP::GetInputStream(const wxString& path)
 {
   wxHTTPStream *inp_stream = new wxHTTPStream(this);
 wxInputStream *wxHTTP::GetInputStream(const wxString& path)
 {
   wxHTTPStream *inp_stream = new wxHTTPStream(this);

+  wxString new_path;

 
 

-  if (!m_addr || m_connected) {
-    m_error = wxPROTO_CONNERR;
+  m_perr = wxPROTO_CONNERR;
+  if (!m_addr)

     return NULL;
     return NULL;

-  }

 
 

+  // We set m_connected back to FALSE so wxSocketBase will know what to do.

   if (!wxProtocol::Connect(*m_addr))
     return NULL;
 
   if (!BuildRequest(path, wxHTTP_GET))
     return NULL;
 
   if (!wxProtocol::Connect(*m_addr))
     return NULL;
 
   if (!BuildRequest(path, wxHTTP_GET))
     return NULL;
 

-  wxPrintf(_T("Len = %s\n"), WXSTRINGCAST GetHeader(_T("Content-Length")));
-  if (!GetHeader(_T("Content-Length")).IsEmpty())
-    inp_stream->m_httpsize = wxAtoi(WXSTRINGCAST GetHeader(_T("Content-Length")));
+  if (!GetHeader(wxT("Content-Length")).IsEmpty())
+    inp_stream->m_httpsize = wxAtoi(WXSTRINGCAST GetHeader(wxT("Content-Length")));
+  else
+    inp_stream->m_httpsize = (size_t)-1;
+
+  inp_stream->m_read_bytes = 0;
+
+  Notify(FALSE);
+  SetFlags(wxSOCKET_BLOCK | wxSOCKET_WAITALL);

 
   return inp_stream;
 }
 
   return inp_stream;
 }