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>
34 #include <boost/dll/runtime_symbol_info.hpp>
37 #include <sys/types.h>
39 #include <netinet/in.h>
40 #include <arpa/inet.h>
54 using std::runtime_error;
55 using boost::shared_ptr;
56 using boost::optional;
58 /** @param s Number of seconds to sleep for */
60 dcpomatic_sleep_seconds (int s)
66 dcpomatic_sleep_milliseconds (int ms)
71 /** @return A string of CPU information (model name etc.) */
77 /* This use of ifstream is ok; the filename can never
80 ifstream f ("/proc/cpuinfo");
84 if (boost::algorithm::starts_with (l, "model name")) {
85 string::size_type const c = l.find (':');
86 if (c != string::npos) {
87 info = l.substr (c + 2);
95 boost::filesystem::path
98 char const * p = getenv ("DCPOMATIC_LINUX_SHARE_PREFIX");
102 return boost::filesystem::canonical (LINUX_SHARE_PREFIX);
106 run_ffprobe (boost::filesystem::path content, boost::filesystem::path out)
108 string ffprobe = "ffprobe \"" + content.string() + "\" 2> \"" + out.string() + "\"";
109 LOG_GENERAL (N_("Probing with %1"), ffprobe);
110 system (ffprobe.c_str ());
113 list<pair<string, string> >
116 list<pair<string, string> > m;
118 FILE* f = setmntent ("/etc/mtab", "r");
124 struct mntent* mnt = getmntent (f);
129 m.push_back (make_pair (mnt->mnt_dir, mnt->mnt_type));
137 boost::filesystem::path
140 return "dcpomatic2_openssl";
143 boost::filesystem::path
146 return boost::dll::program_location().parent_path() / "dcpomatic2_disk_writer";
149 /* Apparently there is no way to create an ofstream using a UTF-8
150 filename under Windows. We are hence reduced to using fopen
154 fopen_boost (boost::filesystem::path p, string t)
156 return fopen (p.c_str(), t.c_str ());
160 dcpomatic_fseek (FILE* stream, int64_t offset, int whence)
162 return fseek (stream, offset, whence);
182 start_tool (boost::filesystem::path dcpomatic, string executable, string)
184 boost::filesystem::path batch = dcpomatic.parent_path() / executable;
188 int const r = system (batch.string().c_str());
189 exit (WEXITSTATUS (r));
194 start_batch_converter (boost::filesystem::path dcpomatic)
196 start_tool (dcpomatic, "dcpomatic2_batch", "DCP-o-matic\\ 2\\ Batch\\ Converter.app");
200 start_player (boost::filesystem::path dcpomatic)
202 start_tool (dcpomatic, "dcpomatic2_player", "DCP-o-matic\\ 2\\ Player.app");
208 return (uint64_t) pthread_self ();
212 avio_open_boost (AVIOContext** s, boost::filesystem::path file, int flags)
214 return avio_open (s, file.c_str(), flags);
218 boost::filesystem::path
221 return getenv("HOME");
225 command_and_read (string cmd)
227 FILE* pipe = popen (cmd.c_str(), "r");
229 throw runtime_error ("popen failed");
235 while (fgets(buffer, sizeof(buffer), pipe)) {
247 /** @return true if this process is a 32-bit one running on a 64-bit-capable OS */
251 /* I'm assuming nobody does this on Linux */
258 vector<Drive> drives;
260 using namespace boost::filesystem;
261 list<string> mounted_devices;
262 std::ifstream f("/proc/mounts");
267 boost::algorithm::split (bits, line, boost::is_any_of(" "));
268 if (bits.size() > 0 && boost::algorithm::starts_with(bits[0], "/dev/")) {
269 mounted_devices.push_back(bits[0]);
270 LOG_DISK("Mounted device %1", bits[0]);
274 for (directory_iterator i = directory_iterator("/sys/block"); i != directory_iterator(); ++i) {
275 string const name = i->path().filename().string();
276 path device_type_file("/sys/block/" + name + "/device/type");
277 optional<string> device_type;
278 if (exists(device_type_file)) {
279 device_type = dcp::file_to_string (device_type_file);
280 boost::trim(*device_type);
282 /* Device type 5 is "SCSI_TYPE_ROM" in blkdev.h; seems usually to be a CD/DVD drive */
283 if (!boost::algorithm::starts_with(name, "loop") && (!device_type || *device_type != "5")) {
284 uint64_t const size = dcp::raw_convert<uint64_t>(dcp::file_to_string(*i / "size")) * 512;
288 bool mounted = false;
289 optional<string> vendor;
291 vendor = dcp::file_to_string("/sys/block/" + name + "/device/vendor");
292 boost::trim(*vendor);
294 optional<string> model;
296 model = dcp::file_to_string("/sys/block/" + name + "/device/model");
299 BOOST_FOREACH (string j, mounted_devices) {
300 if (boost::algorithm::starts_with(j, "/dev/" + name)) {
304 drives.push_back(Drive("/dev/" + i->path().filename().string(), size, mounted, vendor, model));
305 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]"));
315 uid_t ruid, euid, suid;
316 if (getresuid(&ruid, &euid, &suid) == -1) {
317 cerr << "getresuid() failed.\n";
323 PrivilegeEscalator::~PrivilegeEscalator ()
328 PrivilegeEscalator::PrivilegeEscalator ()
333 boost::filesystem::path
336 boost::filesystem::path p;
337 p /= g_get_user_config_dir ();