2 Copyright (C) 2012-2021 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"
25 #include "dcpomatic_log.h"
26 #include "dcpomatic_log.h"
27 #include "exceptions.h"
29 #include <dcp/filesystem.h>
30 #include <dcp/raw_convert.h>
31 #include <dcp/warnings.h>
33 #include <boost/algorithm/string.hpp>
34 #if BOOST_VERSION >= 106100
35 #include <boost/dll/runtime_symbol_info.hpp>
39 #include <sys/types.h>
40 #include <sys/mount.h>
42 #include <netinet/in.h>
43 #include <arpa/inet.h>
57 using boost::optional;
60 /** @return A string of CPU information (model name etc.) */
66 /* This use of ifstream is ok; the filename can never
69 ifstream f ("/proc/cpuinfo");
73 if (boost::algorithm::starts_with (l, "model name")) {
74 string::size_type const c = l.find (':');
75 if (c != string::npos) {
76 info = l.substr (c + 2);
85 boost::filesystem::path
88 return directory_containing_executable().parent_path() / "share" / "dcpomatic2";
92 boost::filesystem::path
93 libdcp_resources_path ()
95 if (auto appdir = getenv("APPDIR")) {
96 return boost::filesystem::path(appdir) / "usr" / "share" / "libdcp";
98 return dcp::filesystem::canonical(LINUX_SHARE_PREFIX) / "libdcp";
103 run_ffprobe(boost::filesystem::path content, boost::filesystem::path out, bool err, string args)
105 string const redirect = err ? "2>" : ">";
106 auto const ffprobe = String::compose("ffprobe %1 \"%2\" %3 \"%4\"", args.empty() ? " " : args, content.string(), redirect, out.string());
107 LOG_GENERAL (N_("Probing with %1"), ffprobe);
108 int const r = system (ffprobe.c_str());
109 if (r == -1 || (WIFEXITED(r) && WEXITSTATUS(r) != 0)) {
110 LOG_GENERAL (N_("Could not run ffprobe (system returned %1"), r);
115 list<pair<string, string>>
118 list<pair<string, string>> m;
120 auto f = setmntent ("/etc/mtab", "r");
126 struct mntent* mnt = getmntent (f);
131 m.push_back (make_pair (mnt->mnt_dir, mnt->mnt_type));
140 boost::filesystem::path
141 directory_containing_executable ()
143 #if BOOST_VERSION >= 106100
144 return boost::dll::program_location().parent_path();
146 char buffer[PATH_MAX];
147 ssize_t N = readlink ("/proc/self/exe", buffer, PATH_MAX);
148 return boost::filesystem::path(string(buffer, N)).parent_path();
153 boost::filesystem::path
156 auto p = directory_containing_executable() / "dcpomatic2_openssl";
157 if (dcp::filesystem::is_regular_file(p)) {
161 return "dcpomatic2_openssl";
165 #ifdef DCPOMATIC_DISK
166 boost::filesystem::path
169 return directory_containing_executable() / "dcpomatic2_disk_writer";
194 start_tool (string executable)
196 auto batch = directory_containing_executable() / executable;
200 int const r = system (batch.string().c_str());
201 exit (WEXITSTATUS (r));
207 start_batch_converter ()
209 start_tool ("dcpomatic2_batch");
216 start_tool ("dcpomatic2_player");
221 vector<pair<string, string>>
222 get_mounts (string prefix)
224 vector<pair<string, string>> mounts;
226 std::ifstream f("/proc/mounts");
231 boost::algorithm::split (bits, line, boost::is_any_of(" "));
232 if (bits.size() > 1 && boost::algorithm::starts_with(bits[0], prefix)) {
233 boost::algorithm::replace_all (bits[1], "\\040", " ");
234 mounts.push_back(make_pair(bits[0], bits[1]));
235 LOG_DISK("Found mounted device %1 from prefix %2", bits[0], prefix);
246 vector<Drive> drives;
248 using namespace boost::filesystem;
249 auto mounted_devices = get_mounts("/dev/");
251 for (auto i: directory_iterator("/sys/block")) {
252 string const name = i.path().filename().string();
253 path device_type_file("/sys/block/" + name + "/device/type");
254 optional<string> device_type;
255 if (exists(device_type_file)) {
256 device_type = dcp::file_to_string (device_type_file);
257 boost::trim(*device_type);
259 /* Device type 5 is "SCSI_TYPE_ROM" in blkdev.h; seems usually to be a CD/DVD drive */
260 if (!boost::algorithm::starts_with(name, "loop") && (!device_type || *device_type != "5")) {
261 uint64_t const size = dcp::raw_convert<uint64_t>(dcp::file_to_string(i / "size")) * 512;
265 optional<string> vendor;
267 vendor = dcp::file_to_string("/sys/block/" + name + "/device/vendor");
268 boost::trim(*vendor);
270 optional<string> model;
272 model = dcp::file_to_string("/sys/block/" + name + "/device/model");
275 vector<boost::filesystem::path> mount_points;
276 for (auto const& j: mounted_devices) {
277 if (boost::algorithm::starts_with(j.first, "/dev/" + name)) {
278 mount_points.push_back (j.second);
281 drives.push_back(Drive("/dev/" + name, mount_points, size, vendor, model));
282 LOG_DISK_NC(drives.back().log_summary());
293 for (auto i: _mount_points) {
294 int const r = umount(i.string().c_str());
295 LOG_DISK("Tried to unmount %1 and got %2 and %3", i.string(), r, errno);
304 boost::filesystem::path
305 config_path (optional<string> version)
307 boost::filesystem::path p;
308 p /= g_get_user_config_dir ();
318 disk_write_finished ()
324 show_in_file_manager (boost::filesystem::path dir, boost::filesystem::path)
326 int r = system ("which nautilus");
327 if (WEXITSTATUS(r) == 0) {
328 r = system (String::compose("nautilus \"%1\"", dir.string()).c_str());
329 return static_cast<bool>(WEXITSTATUS(r));
331 int r = system ("which konqueror");
332 if (WEXITSTATUS(r) == 0) {
333 r = system (String::compose("konqueror \"%1\"", dir.string()).c_str());
334 return static_cast<bool>(WEXITSTATUS(r));