int CCgiSampleApplication::ProcessRequest(CCgiContext& ctx)
{
// Parse, verify, and look at cmd-line and CGI parameters via "CArgs"
// (optional)
x_LookAtArgs();
// Given "CGI context", get access to its "HTTP request" and
// "HTTP response" sub-objects
const CCgiRequest& request = ctx.GetRequest();
CCgiResponse& response = ctx.GetResponse();
// Try to retrieve the message ('message=...') from the HTTP request.
// NOTE: the case sensitivity was turned off in Init().
bool is_message = false;
string message = request.GetEntry("message", &is_message);
if ( is_message ) {
message = "'" + message + "'";
} else {
message = "<NONE>";
}
int iters = 5;
for(int i = 0; i < iters; ++i) {
PutProgressMessage( "Iteration " + NStr::IntToString(i)
+ " of " + NStr::IntToString(iters));
SleepSec(5);
}
string this_host = CSocketAPI::gethostname();
// Create a HTML page (using template HTML file "cgi_sample.html")
auto_ptr<CHTMLPage> page;
try {
page.reset(new CHTMLPage("Sample Remote CGI", "rcgi_sample.html"));
} catch (exception& e) {
ERR_POST("Failed to create Sample CGI HTML page: " << e.what());
return 2;
}
// Register substitution for the template parameters <@MESSAGE@> and
// <@SELF_URL@>
try {
CHTMLPlainText* host = new CHTMLPlainText(this_host);
page->AddTagMap("HOST", host);
CHTMLPlainText* text = new CHTMLPlainText(message);
page->AddTagMap("MESSAGE", text);
CHTMLPlainText* self_url = new CHTMLPlainText(ctx.GetSelfURL());
page->AddTagMap("SELF_URL", self_url);
CHTMLPlainText* date = new CHTMLPlainText(
GetFastLocalTime().AsString("D B Y, h:m:s"));
page->AddTagMap("DATE", date);
}
catch (exception& e) {
ERR_POST("Failed to populate Sample CGI HTML page: " << e.what());
return 3;
}
// Compose and flush the resultant HTML page
try {
response.SetHeaderValue("Pragma", "no-cache");
response.SetHeaderValue("Cache-Control", "no-cache");
response.WriteHeader();
page->Print(response.out(), CNCBINode::eHTML);
} catch (exception& e) {
ERR_POST("Failed to compose/send Sample CGI HTML page: " << e.what());
return 4;
}
return 0;
}
int CCgiSampleApplication::ProcessRequest(CCgiContext& ctx)
{
// Parse, verify, and look at cmd-line and CGI parameters via "CArgs"
// (optional)
x_LookAtArgs();
// Given "CGI context", get access to its "HTTP request" and
// "HTTP response" sub-objects
const CCgiRequest& request = ctx.GetRequest();
const CCgiCookies& cookies = request.GetCookies();
CCgiResponse& response = ctx.GetResponse();
const CCgiCookie* cookie = cookies.Find(kSessionId, "", "" );
string message = "<EMPTY>";
string session_id;
if (cookie) {
session_id = cookie->GetValue();
m_NetCacheAPI.ReadData(session_id, message);
if (!message.empty())
message = "'" + message + "'";
else
message = "<EMPTY>";
}
bool is_message = false;
string new_message = request.GetEntry("Message", &is_message);
if ( is_message && !new_message.empty() ) {
auto_ptr<CNcbiOstream> os(m_NetCacheAPI.CreateOStream(session_id));
*os << new_message;
os.reset();
CCgiCookies& rcookies = response.Cookies();
rcookies.Add(kSessionId, session_id);
new_message = "'" + new_message + "'";
} else
new_message = "<HAS NOT BEEN CHANGED>";
// Create a HTML page (using template HTML file "cgi_sample.html")
auto_ptr<CHTMLPage> page;
try {
page.reset(new CHTMLPage("Sample CGI with NetCache Session", m_HtmlTempl));
} catch (exception& e) {
ERR_POST("Failed to create Sample CGI HTML page: " << e.what());
return 2;
}
// Register substitution for the template parameters <@MESSAGE@> and
// <@SELF_URL@>
try {
CHTMLPlainText* text = new CHTMLPlainText(message);
page->AddTagMap("MESSAGE", text);
text = new CHTMLPlainText(new_message);
page->AddTagMap("NEW_MESSAGE", text);
CHTMLPlainText* self_url = new CHTMLPlainText(ctx.GetSelfURL());
page->AddTagMap("SELF_URL", self_url);
}
catch (exception& e) {
ERR_POST("Failed to populate Sample CGI HTML page: " << e.what());
return 3;
}
// Compose and flush the resultant HTML page
try {
response.WriteHeader();
page->Print(response.out(), CNCBINode::eHTML);
} catch (exception& e) {
ERR_POST("Failed to compose/send Sample CGI HTML page: " << e.what());
return 4;
}
return 0;
}
int CCgiSampleApplication::ProcessRequest(CCgiContext& ctx)
{
// Parse, verify, and look at cmd-line and CGI parameters via "CArgs"
// (optional)
x_LookAtArgs();
// Given "CGI context", get access to its "HTTP request" and
// "HTTP response" sub-objects
const CCgiRequest& request = ctx.GetRequest();
CCgiResponse& response = ctx.GetResponse();
/*
// To get CGI client API (in-house only, optional)
const char* const* client_tracking_env = request.GetClientTrackingEnv();
unsigned int client_ip = NcbiGetCgiClientIP(eCgiClientIP_TryAll,
client_tracking_env);
int is_local_client = NcbiIsLocalCgiClient(client_tracking_env);
*/
// Try to retrieve the message ('message=...') from the HTTP request.
// NOTE: the case sensitivity was turned off in Init().
bool is_message = false;
string message = request.GetEntry("Message", &is_message);
if ( is_message ) {
message = "'" + message + "'";
} else {
message = "<NONE>";
}
// NOTE: While this sample uses the CHTML* classes for generating HTML,
// you are encouraged to use XML/XSLT and the NCBI port of XmlWrapp.
// For more info:
// http://www.ncbi.nlm.nih.gov/books/NBK8829/
// http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/namespacexml.html
// Create a HTML page (using template HTML file "cgi_sample.html")
auto_ptr<CHTMLPage> page;
try {
page.reset(new CHTMLPage("Sample CGI", "cgi_sample.html"));
} catch (exception& e) {
ERR_POST("Failed to create Sample CGI HTML page: " << e.what());
return 2;
}
// Register substitution for the template parameters <@MESSAGE@> and
// <@SELF_URL@>
try {
CHTMLPlainText* text = new CHTMLPlainText(message);
_TRACE("foo");
page->AddTagMap("MESSAGE", text);
CHTMLPlainText* self_url = new CHTMLPlainText(ctx.GetSelfURL());
page->AddTagMap("SELF_URL", self_url);
}
catch (exception& e) {
ERR_POST("Failed to populate Sample CGI HTML page: " << e.what());
return 3;
}
// Compose and flush the resultant HTML page
try {
_TRACE("stream status: " << ctx.GetStreamStatus());
response.WriteHeader();
page->Print(response.out(), CNCBINode::eHTML);
} catch (exception& e) {
ERR_POST("Failed to compose/send Sample CGI HTML page: " << e.what());
return 4;
}
return 0;
}
