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#include <iostream>
#include <string>
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <cstdlib>
#include <sys/utsname.h>
#include <curl/curl.h>
#include <glibmm/fileutils.h>
#include <glibmm/miscutils.h>
#include "pbd/compose.h"
#include "pbd/strsplit.h"
#include "pbd/convert.h"
#include "ardour/filesystem_paths.h"
using namespace std;
#define PING_URL "http://ardour.org/pingback/versioncheck"
#define OFF_THE_HOOK ".offthehook"
static size_t
curl_write_data (char *bufptr, size_t size, size_t nitems, void *ptr)
{
/* we know its a string */
string* sptr = (string*) ptr;
for (size_t i = 0; i < nitems; ++i) {
for (size_t n = 0; n < size; ++n) {
if (*bufptr == '\n') {
break;
}
(*sptr) += *bufptr++;
}
}
return size * nitems;
}
static string
watermark ()
{
return string();
}
void
block_mothership ()
{
string hangup = Glib::build_filename (ARDOUR::user_config_directory().to_string(), OFF_THE_HOOK);
int fd;
if ((fd = ::open (hangup.c_str(), O_RDWR|O_CREAT, 0600)) >= 0) {
close (fd);
}
}
void
unblock_mothership ()
{
string hangup = Glib::build_filename (ARDOUR::user_config_directory().to_string(), OFF_THE_HOOK);
::unlink (hangup.c_str());
}
bool
mothership_blocked ()
{
string hangup = Glib::build_filename (ARDOUR::user_config_directory().to_string(), OFF_THE_HOOK);
return Glib::file_test (hangup, Glib::FILE_TEST_EXISTS);
}
void
call_the_mothership (const string& version)
{
/* check if the user says never to do this
*/
if (mothership_blocked()) {
return;
}
CURL* c;
struct utsname utb;
std::string versionstr;
if (uname (&utb)) {
return;
}
curl_global_init (CURL_GLOBAL_NOTHING);
c = curl_easy_init ();
string data;
string wm;
data = string_compose ("version=%1&platform=%2 %3 %4", version, utb.sysname, utb.release, utb.machine);
wm = watermark();
if (!wm.empty()) {
data += string_compose ("&watermark=%1", wm);
}
curl_easy_setopt(c, CURLOPT_POSTFIELDS, data.c_str());
curl_easy_setopt(c, CURLOPT_URL, PING_URL);
curl_easy_setopt(c, CURLOPT_WRITEFUNCTION, curl_write_data);
curl_easy_setopt(c, CURLOPT_WRITEDATA, &versionstr);
std::cerr << "Callback to ardour.org ...\n";
char errbuf[CURL_ERROR_SIZE];
curl_easy_setopt(c, CURLOPT_ERRORBUFFER, errbuf);
if (curl_easy_perform (c) == 0) {
cerr << "Current release is " << versionstr << endl;
vector<string> ours;
vector<string> current;
split (version, ours, '.');
split (versionstr, current, '.');
if (ours.size() == 3 && current.size() == 3) {
int ours_n[3];
int current_n[3];
using namespace PBD;
ours_n[0] = atoi (ours[0]);
ours_n[1] = atoi (ours[1]);
ours_n[2] = atoi (ours[2]);
current_n[0] = atoi (current[0]);
current_n[1] = atoi (current[1]);
current_n[2] = atoi (current[2]);
if (ours_n[0] < current_n[0] ||
((ours_n[0] == current_n[0]) && (ours_n[1] < current_n[1])) ||
((ours_n[0] == current_n[0]) && (ours_n[1] == current_n[1]) && (ours_n[2] < current_n[2]))) {
cerr << "TOO OLD\n";
} else {
cerr << "CURRENT\n";
}
} else {
cerr << "Unusual local version: " << version << endl;
}
}
curl_easy_cleanup (c);
}
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