evf::CurlPoster Class Reference

#include <CurlPoster.h>

List of all members.

Public Types
enum	mode { text, stack, leg, bin }
Public Member Functions
bool	check (int)
	CurlPoster (const std::string &url)
void	postBinary (const unsigned char *, size_t, unsigned int, const std::string &=standard_post_method_)
void	postString (const char *, size_t, unsigned int, mode, const std::string &=standard_post_method_)
virtual	~CurlPoster ()
Private Member Functions
void	post (const unsigned char *, size_t, unsigned int, mode, const std::string &)
Private Attributes
bool	active_
struct utsname *	buf_
std::string	url_
Static Private Attributes
static const std::string	standard_post_method_ = "/postEntry"

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Detailed Description

Definition at line 10 of file CurlPoster.h.

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Member Enumeration Documentation

enum evf::CurlPoster::mode

Enumerator:

text
stack
leg
bin

Definition at line 14 of file CurlPoster.h.

{text,stack,leg,bin};  

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Constructor & Destructor Documentation

evf::CurlPoster::CurlPoster

(

const std::string &

url

)

[inline]

Definition at line 16 of file CurlPoster.h.

References buf_.

                                     : url_(url), active_(true){
      buf_=(struct utsname*)new char[sizeof(struct utsname)];
      uname(buf_);
      //      check();
    }

virtual evf::CurlPoster::~CurlPoster

(

)

[inline, virtual]

Definition at line 21 of file CurlPoster.h.

References buf_.

{delete [] buf_;}

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Member Function Documentation

bool evf::CurlPoster::check

(

int

run

)

Definition at line 117 of file CurlPoster.cc.

References active_, gather_cfg::cout, error, summarizeEdmComparisonLogfiles::success, url_, and evf::write_data().

Referenced by evf::Vulture::control().

  {
    bool retVal = true;
    char ps[14];
    sprintf(ps,"run=%d",run);
    CURL* han = curl_easy_init();
    if(han==0)
      {
        active_ = false;
      }
    char error[CURL_ERROR_SIZE];
    std::string dummy;

    curl_easy_setopt(han, CURLOPT_URL, url_.c_str()           );
    curl_easy_setopt(han, CURLOPT_POSTFIELDS,ps               );    
    curl_easy_setopt(han, CURLOPT_WRITEFUNCTION, &write_data  );
    curl_easy_setopt(han, CURLOPT_WRITEDATA, &dummy           );
    curl_easy_setopt(han, CURLOPT_ERRORBUFFER, error          );
    int success = curl_easy_perform(han);

    curl_easy_cleanup(han);
    if(success != 0){
      std::cout << "curlposter failed check" << std::endl;
      retVal = false;
      active_ = false;
    }
    return retVal;

  }

void evf::CurlPoster::post	(	const unsigned char *	content,
		size_t	len,
		unsigned int	run,
		mode	m,
		const std::string &	post_method
	)		[private]

Definition at line 18 of file CurlPoster.cc.

References bin, buf_, gather_cfg::cout, error, prof2calltree::last, leg, PFRecoTauDiscriminationAgainstElectronMVA_cfi::method, lumiQueryAPI::msg, NULL, stack, summarizeEdmComparisonLogfiles::success, text, and url_.

Referenced by postBinary(), and postString().

  {
    std::string urlp = url_+post_method;
    char srun[12];
    sprintf(srun,"%d",run);
    std::string method;
    CURL* han = curl_easy_init();
    if(han==0)
      {
        XCEPT_RAISE(evf::Exception,"could not create handle for curlPoster"); 
      }
    struct curl_slist *headers=NULL; /* init to NULL is important */
    switch(m){
    case text:
      {
        headers = curl_slist_append(headers, "Content-Type: text/plain");
        method = "text";
        break;
      }
    case stack:
      {
        headers = curl_slist_append(headers, "Content-Type: text/plain");
        method = "stacktrace";
        break;
      }
    case leg:
      {
        headers = curl_slist_append(headers, "Content-Type: text/plain");
        method = "legenda";
        break;
      }
    case bin:
      {
        headers = curl_slist_append(headers, "Content-Type: application/octet-stream");
        //      headers = curl_slist_append(headers, "Content-Transfer-Encoding: base64");
        headers = curl_slist_append(headers, "Expect:");
        method = "trp";
        break;
      }
    default:
      {
        headers = curl_slist_append(headers, "Content-Type: application/xml");
      }
    }
    struct curl_httpspost *post=NULL;
    struct curl_httpspost *last=NULL;
    char error[CURL_ERROR_SIZE];
    
    curl_easy_setopt(han, CURLOPT_URL, urlp.c_str());
    //    curl_easy_setopt(han, CURLOPT_VERBOSE,"");
    curl_easy_setopt(han, CURLOPT_NOSIGNAL,"");
    curl_easy_setopt(han, CURLOPT_HTTP_VERSION,CURL_HTTP_VERSION_1_0);
    //  curl_easy_setopt(han, CURLOPT_TIMEOUT, 60.0L);
    curl_formadd(&post, &last,
                 CURLFORM_COPYNAME, "name",
                 CURLFORM_COPYCONTENTS, buf_->nodename, CURLFORM_END);
    curl_formadd(&post, &last,
                 CURLFORM_COPYNAME, "run",
                 CURLFORM_COPYCONTENTS, srun, CURLFORM_END);
    int retval = curl_formadd(&post, &last,
                              CURLFORM_COPYNAME, method.c_str(),
                              CURLFORM_COPYCONTENTS, content,
                              CURLFORM_CONTENTSLENGTH, len,
                              CURLFORM_CONTENTHEADER, headers,
                              CURLFORM_END);
    if(retval != 0) std::cout << "Error in formadd " << retval << std::endl;
    curl_easy_setopt(han, CURLOPT_HTTPPOST, post);
    curl_easy_setopt(han, CURLOPT_ERRORBUFFER, error);
        
    int success = curl_easy_perform(han);
    curl_formfree(post);
    curl_easy_cleanup(han);
    curl_slist_free_all(headers); /* free the header list */    

    if(success != 0)
      {
        std::ostringstream msg;
        msg <<  "could not post data to url " << url_ << " error #" 
            << success << " " << error;
        XCEPT_RAISE(evf::Exception,msg.str().c_str());
      }

  }

void evf::CurlPoster::postBinary	(	const unsigned char *	content,
		size_t	len,
		unsigned int	run,
		const std::string &	post_method = standard_post_method_
	)

Definition at line 110 of file CurlPoster.cc.

References active_, bin, and post().

Referenced by evf::CPUStat::sendStat(), and evf::RateStat::sendStat().

  {
    if(!active_) return;
    post(content,len,run,bin,post_method);
  }

void evf::CurlPoster::postString	(	const char *	content,
		size_t	len,
		unsigned int	run,
		mode	m,
		const std::string &	post_method = standard_post_method_
	)

Definition at line 104 of file CurlPoster.cc.

References active_, and post().

Referenced by evf::Vulture::analyze(), evf::Vulture::prowling(), evf::CPUStat::sendLegenda(), and evf::RateStat::sendLegenda().

  {
    if(!active_) return;
    post((unsigned char*)content,(unsigned int)len,run,m,post_method);
  }

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Member Data Documentation

bool evf::CurlPoster::active_ [private]

Definition at line 30 of file CurlPoster.h.

Referenced by check(), postBinary(), and postString().

struct utsname* evf::CurlPoster::buf_ [private]

Definition at line 31 of file CurlPoster.h.

Referenced by CurlPoster(), post(), and ~CurlPoster().

const std::string evf::CurlPoster::standard_post_method_ = "/postEntry" [static, private]

Definition at line 32 of file CurlPoster.h.

std::string evf::CurlPoster::url_ [private]

Definition at line 29 of file CurlPoster.h.

Referenced by check(), and post().