Merge remote-tracking branch 'kakra/integration' into subvol-threads

.gitignore

@@ -11,3 +11,4 @@ latex/
 make.log
 make.log.new
 localconf
+scripts/beesd

README.md

@@ -107,9 +107,9 @@ fresh full-filesystem rescan, and restart `bees'.
 Things You Might Expect That Bees Doesn't Have
 ----------------------------------------------
 
-* There's no configuration file or getopt command line option processing
-(patches welcome!).  There are some tunables hardcoded in the source
-that could eventually become configuration options.
+* There's no configuration file (patches welcome!).  There are some tunables
+hardcoded in the source that could eventually become configuration options.
+There's also an incomplete option parser (patches welcome!).
 
 * There's no way to *stop* the Bees daemon.  Use SIGKILL, SIGTERM, or
 Ctrl-C for now.  Some of the destructors are unreachable and have never

include/crucible/chatter.h

@@ -86,6 +86,11 @@ namespace crucible {
 		}
 	};
 
+	class ChatterTimestamp {
+	public:
+		ChatterTimestamp(int);
+	};
+
 	class ChatterBox {
 		string m_file;
 		int m_line;

lib/chatter.cc

@@ -17,6 +17,7 @@ namespace crucible {
 
 	static shared_ptr<set<string>> chatter_names;
 	static const char *SPACETAB = " \t";
+	static int chatter_prefix_timestamp = 1;
 
 	static
 	void
@@ -52,16 +53,21 @@ namespace crucible {
 	{
 		ostringstream header_stream;
 
-		time_t ltime;
-		DIE_IF_MINUS_ONE(time(&ltime));
-		struct tm ltm;
-		DIE_IF_ZERO(localtime_r(&ltime, &ltm));
+		if (chatter_prefix_timestamp) {
+			time_t ltime;
+			DIE_IF_MINUS_ONE(time(&ltime));
+			struct tm ltm;
+			DIE_IF_ZERO(localtime_r(&ltime, &ltm));
 
-		char buf[1024];
-		DIE_IF_ZERO(strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &ltm));
+			char buf[1024];
+			DIE_IF_ZERO(strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &ltm));
+
+			header_stream << buf;
+			header_stream << " " << getpid() << "." << gettid();
+		} else {
+			header_stream << "tid " << gettid();
+		}
 
-		header_stream << buf;
-		header_stream << " " << getpid() << "." << gettid();
 		if (!m_name.empty()) {
 			header_stream << " " << m_name;
 		}
@@ -91,6 +97,11 @@ namespace crucible {
 		c.m_oss.str("");
 	}
 
+	ChatterTimestamp::ChatterTimestamp(int prefix_timestamp)
+	{
+		chatter_prefix_timestamp = prefix_timestamp;
+	}
+
 	set<ChatterBox*> ChatterBox::s_boxes;
 
 	set<ChatterBox*>& ChatterBox::all_boxes()

scripts/beesd.in

@@ -23,7 +23,23 @@ readonly CONFIG_DIR=@PREFIX@/etc/bees/
 command -v @LIBEXEC_PREFIX@/bees &> /dev/null || ERRO "Missing 'bees' agent"
 
 ## Parse args
-UUID="$1"
+ARGUMENTS=()
+while [ $# -gt 0 ]; do
+    case "$1" in
+        -*)
+            ARGUMENTS+=($1)
+        ;;
+        *)
+            if [ -z "$UUID" ]; then
+                UUID="$1"
+            else
+                ERRO "Only one filesystem may be supplied"
+            fi
+        ;;
+    esac
+    shift
+done
+
 case "$UUID" in
     *-*-*-*-*)
         FILE_CONFIG=""
@@ -38,7 +54,7 @@ case "$UUID" in
         source "$FILE_CONFIG"
     ;;
     *)
-        echo "beesd <btrfs_uuid>"
+        echo "beesd [options] <btrfs_uuid>"
         exit 1
     ;;
 esac
@@ -49,17 +65,16 @@ BEESHOME="${BEESHOME:-$MNT_DIR/.beeshome}"
 BEESSTATUS="${BEESSTATUS:-$WORK_DIR/$UUID.status}"
 DB_SIZE="${DB_SIZE:-$((64*AL16M))}"
 LOG_SHORT_PATH="${LOG_SHORT_PATH:-N}"
-LOG_FILTER_TIME="${LOG_FILTER_TIME:-N}"
 
 INFO "Check: Disk exists"
 if [ ! -b "/dev/disk/by-uuid/$UUID" ]; then
     ERRO "Missing disk: /dev/disk/by-uuid/$UUID"
 fi
 
-it_btrfs(){ [ "$(blkid -s TYPE -o value "$1")" == "btrfs" ]; }
+is_btrfs(){ [ "$(blkid -s TYPE -o value "$1")" == "btrfs" ]; }
 
 INFO "Check: Disk with btrfs"
-if ! it_btrfs "/dev/disk/by-uuid/$UUID"; then
+if ! is_btrfs "/dev/disk/by-uuid/$UUID"; then
     ERRO "Disk not contain btrfs: /dev/disk/by-uuid/$UUID"
 fi
 
@@ -101,19 +116,6 @@ fi
 
 MNT_DIR="${MNT_DIR//\/\//\/}"
 
-filter_time(){
-    if YN $LOG_FILTER_TIME; then
-        sed -e 's/^.*crawl:/crawl:/g' \
-            -e 's/^.*status:/status:/g' \
-            -e 's/^.*bees:/bees:/g' \
-            -e 's/^.*crawl_writeback:/crawl_writeback:/g' \
-            -e 's/^.*main:/main:/g' \
-            -e 's/^.*hash_prefetch:/hash_prefetch:/g'
-    else
-        cat
-    fi
-}
-
 filter_path(){
     if YN $LOG_SHORT_PATH; then
         sed -e "s#$MNT_DIR##g"
@@ -122,6 +124,6 @@ filter_path(){
     fi
 }
 
-@LIBEXEC_PREFIX@/bees "$MNT_DIR" 3>&1 2>&1 | filter_time | filter_path
+@LIBEXEC_PREFIX@/bees ${ARGUMENTS[@]} $OPTIONS "$MNT_DIR" 3>&1 2>&1 | filter_path
 
 exit 0

src/bees.cc

@@ -19,18 +19,25 @@
 #include <linux/fs.h>
 #include <sys/ioctl.h>
 
+#include <getopt.h>
+
 using namespace crucible;
 using namespace std;
 
 int
-do_cmd_help(const char **argv)
+do_cmd_help(char *argv[])
 {
-	cerr << "Usage: " << argv[0] << " fs-root-path [fs-root-path-2...]\n"
+	cerr << "Usage: " << argv[0] << " [options] fs-root-path [fs-root-path-2...]\n"
 		"Performs best-effort extent-same deduplication on btrfs.\n"
 		"\n"
 		"fs-root-path MUST be the root of a btrfs filesystem tree (id 5).\n"
 		"Other directories will be rejected.\n"
 		"\n"
+		"Options:\n"
+		"\t-h, --help\t\tShow this help\n"
+		"\t-t, --timestamps\tShow timestamps in log output (default)\n"
+		"\t-T, --notimestamps\tOmit timestamps in log output\n"
+		"\n"
 		"Optional environment variables:\n"
 		"\tBEESHOME\tPath to hash table and configuration files\n"
 		"\t\t\t(default is .beeshome/ in the root of each filesystem).\n"
@@ -589,7 +596,7 @@ bees_worker_thread_count()
 }
 
 int
-bees_main(int argc, const char **argv)
+bees_main(int argc, char *argv[])
 {
 	set_catch_explainer([&](string s) {
 		BEESLOG("\n\n*** EXCEPTION ***\n\t" << s << "\n***\n");
@@ -603,17 +610,50 @@ bees_main(int argc, const char **argv)
 	shared_ptr<BeesContext> bc;
 
 	THROW_CHECK1(invalid_argument, argc, argc >= 0);
-	vector<string> args(argv + 1, argv + argc);
+
+	// Defaults
+	int chatter_prefix_timestamp = 1;
+
+	// Parse options
+	int c;
+	while (1) {
+		int option_index = 0;
+		static struct option long_options[] = {
+			{ "timestamps",   no_argument, NULL, 't' },
+			{ "notimestamps", no_argument, NULL, 'T' },
+			{ "help",         no_argument, NULL, 'h' }
+		};
+
+		c = getopt_long(argc, argv, "Tth", long_options, &option_index);
+		if (-1 == c) {
+			break;
+		}
+
+		switch (c) {
+			case 'T':
+				chatter_prefix_timestamp = 0;
+				break;
+			case 't':
+				chatter_prefix_timestamp = 1;
+				break;
+			case 'h':
+				do_cmd_help(argv);
+			default:
+				return 2;
+		}
+	}
+
+	ChatterTimestamp cts(chatter_prefix_timestamp);
 
 	// There can be only one because we measure running time with it
 	bees_ioctl_lock_set.max_size(1);
 
 	// Create a context and start crawlers
 	bool did_subscription = false;
-	for (string arg : args) {
+	while (optind < argc) {
 		catch_all([&]() {
 			bc = make_shared<BeesContext>(bc);
-			bc->set_root_path(arg);
+			bc->set_root_path(argv[optind++]);
 			did_subscription = true;
 		});
 	}
@@ -634,7 +674,7 @@ bees_main(int argc, const char **argv)
 }
 
 int
-main(int argc, const char **argv)
+main(int argc, char *argv[])
 {
 	cerr << "bees version " << BEES_VERSION << endl;