2 Copyright (C) 2012-2020 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
22 #include "compose.hpp"
24 #include "dcpomatic_log.h"
26 #include "exceptions.h"
27 #include <dcp/raw_convert.h>
30 #include <libavformat/avio.h>
32 #include <boost/algorithm/string.hpp>
33 #include <boost/foreach.hpp>
35 #include <boost/dll/runtime_symbol_info.hpp>
39 #include <sys/types.h>
41 #include <netinet/in.h>
42 #include <arpa/inet.h>
56 using std::runtime_error;
57 using boost::shared_ptr;
58 using boost::optional;
60 /** @param s Number of seconds to sleep for */
62 dcpomatic_sleep_seconds (int s)
68 dcpomatic_sleep_milliseconds (int ms)
73 /** @return A string of CPU information (model name etc.) */
79 /* This use of ifstream is ok; the filename can never
82 ifstream f ("/proc/cpuinfo");
86 if (boost::algorithm::starts_with (l, "model name")) {
87 string::size_type const c = l.find (':');
88 if (c != string::npos) {
89 info = l.substr (c + 2);
97 boost::filesystem::path
100 char const * p = getenv ("DCPOMATIC_LINUX_SHARE_PREFIX");
104 return boost::filesystem::canonical (LINUX_SHARE_PREFIX);
108 run_ffprobe (boost::filesystem::path content, boost::filesystem::path out)
110 string ffprobe = "ffprobe \"" + content.string() + "\" 2> \"" + out.string() + "\"";
111 LOG_GENERAL (N_("Probing with %1"), ffprobe);
112 system (ffprobe.c_str ());
115 list<pair<string, string> >
118 list<pair<string, string> > m;
120 FILE* f = setmntent ("/etc/mtab", "r");
126 struct mntent* mnt = getmntent (f);
131 m.push_back (make_pair (mnt->mnt_dir, mnt->mnt_type));
139 boost::filesystem::path
142 return "dcpomatic2_openssl";
145 #ifdef DCPOMATIC_DISK
146 boost::filesystem::path
149 return boost::dll::program_location().parent_path() / "dcpomatic2_disk_writer";
153 /* Apparently there is no way to create an ofstream using a UTF-8
154 filename under Windows. We are hence reduced to using fopen
158 fopen_boost (boost::filesystem::path p, string t)
160 return fopen (p.c_str(), t.c_str ());
164 dcpomatic_fseek (FILE* stream, int64_t offset, int whence)
166 return fseek (stream, offset, whence);
186 start_tool (boost::filesystem::path dcpomatic, string executable, string)
188 boost::filesystem::path batch = dcpomatic.parent_path() / executable;
192 int const r = system (batch.string().c_str());
193 exit (WEXITSTATUS (r));
198 start_batch_converter (boost::filesystem::path dcpomatic)
200 start_tool (dcpomatic, "dcpomatic2_batch", "DCP-o-matic\\ 2\\ Batch\\ Converter.app");
204 start_player (boost::filesystem::path dcpomatic)
206 start_tool (dcpomatic, "dcpomatic2_player", "DCP-o-matic\\ 2\\ Player.app");
212 return (uint64_t) pthread_self ();
216 avio_open_boost (AVIOContext** s, boost::filesystem::path file, int flags)
218 return avio_open (s, file.c_str(), flags);
222 boost::filesystem::path
225 return getenv("HOME");
229 command_and_read (string cmd)
231 FILE* pipe = popen (cmd.c_str(), "r");
233 throw runtime_error ("popen failed");
239 while (fgets(buffer, sizeof(buffer), pipe)) {
251 /** @return true if this process is a 32-bit one running on a 64-bit-capable OS */
255 /* I'm assuming nobody does this on Linux */
262 vector<Drive> drives;
264 using namespace boost::filesystem;
265 list<string> mounted_devices;
266 std::ifstream f("/proc/mounts");
271 boost::algorithm::split (bits, line, boost::is_any_of(" "));
272 if (bits.size() > 0 && boost::algorithm::starts_with(bits[0], "/dev/")) {
273 mounted_devices.push_back(bits[0]);
274 LOG_DISK("Mounted device %1", bits[0]);
278 for (directory_iterator i = directory_iterator("/sys/block"); i != directory_iterator(); ++i) {
279 string const name = i->path().filename().string();
280 path device_type_file("/sys/block/" + name + "/device/type");
281 optional<string> device_type;
282 if (exists(device_type_file)) {
283 device_type = dcp::file_to_string (device_type_file);
284 boost::trim(*device_type);
286 /* Device type 5 is "SCSI_TYPE_ROM" in blkdev.h; seems usually to be a CD/DVD drive */
287 if (!boost::algorithm::starts_with(name, "loop") && (!device_type || *device_type != "5")) {
288 uint64_t const size = dcp::raw_convert<uint64_t>(dcp::file_to_string(*i / "size")) * 512;
292 bool mounted = false;
293 optional<string> vendor;
295 vendor = dcp::file_to_string("/sys/block/" + name + "/device/vendor");
296 boost::trim(*vendor);
298 optional<string> model;
300 model = dcp::file_to_string("/sys/block/" + name + "/device/model");
303 BOOST_FOREACH (string j, mounted_devices) {
304 if (boost::algorithm::starts_with(j, "/dev/" + name)) {
308 drives.push_back(Drive("/dev/" + i->path().filename().string(), size, mounted, vendor, model));
309 LOG_DISK("Block device %1 size %2 %3 vendor %4 model %5", name, size, mounted ? "mounted" : "not mounted", vendor.get_value_or("[none]"), model.get_value_or("[none]"));
319 uid_t ruid, euid, suid;
320 if (getresuid(&ruid, &euid, &suid) == -1) {
321 cerr << "getresuid() failed.\n";
327 PrivilegeEscalator::~PrivilegeEscalator ()
332 PrivilegeEscalator::PrivilegeEscalator ()
337 boost::filesystem::path
340 boost::filesystem::path p;
341 p /= g_get_user_config_dir ();