Diff between f6f7d83d8d5c64aed8420f41c4fecabfa65e94c5 and 20bc7a4db7afdc0e1f110fb331fcb059fffad712

Changed Files

File Additions Deletions Status
android/Android.mk +1 -1 modified
android/log.c +213 -0 added

Full Patch

diff --git a/android/Android.mk b/android/Android.mk
index c1505c8..17349bf 100644
--- a/android/Android.mk
+++ b/android/Android.mk
@@ -58,7 +58,7 @@ LOCAL_SRC_FILES := \
 	bluez/android/sco.c \
 	bluez/profiles/health/mcap.c \
 	bluez/android/map-client.c \
-	bluez/src/log.c \
+	bluez/android/log.c \
 	bluez/src/shared/mgmt.c \
 	bluez/src/shared/util.c \
 	bluez/src/shared/queue.c \
diff --git a/android/log.c b/android/log.c
new file mode 100644
index 0000000..09d226a
--- /dev/null
+++ b/android/log.c
@@ -0,0 +1,213 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2014  Intel Corporation. All rights reserved.
+ *
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdbool.h>
+#include <time.h>
+#include <sys/uio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include "src/log.h"
+
+#define LOG_TAG "bluetoothd"
+
+#define LOG_DEBUG 3
+#define LOG_INFO 4
+#define LOG_WARN 5
+#define LOG_ERR 6
+
+#define LOG_ID_SYSTEM 3
+
+struct logd_header {
+	uint8_t id;
+	uint16_t pid; /* Android logd expects only 2 bytes for PID */
+	uint32_t sec;
+	uint32_t nsec;
+} __attribute__ ((packed));
+
+static int log_fd = -1;
+static bool legacy_log = false;
+
+static void android_log(unsigned char level, const char *fmt, va_list ap)
+{
+	struct logd_header header;
+	struct iovec vec[4];
+	int cnt = 0;
+	char *msg;
+	static pid_t pid = 0;
+
+	if (log_fd < 0)
+		return;
+
+	/* no need to call getpid all the time since we don't fork */
+	if (!pid)
+		pid = getpid();
+
+	if (vasprintf(&msg, fmt, ap) < 0)
+		return;
+
+	if (!legacy_log) {
+		struct timespec ts;
+
+		clock_gettime(CLOCK_REALTIME, &ts);
+
+		header.id = LOG_ID_SYSTEM;
+		header.pid = pid;
+		header.sec = ts.tv_sec;
+		header.nsec = ts.tv_nsec;
+
+		vec[0].iov_base = &header;
+		vec[0].iov_len = sizeof(header);
+
+		cnt += 1;
+	}
+
+	vec[cnt + 0].iov_base = &level;
+	vec[cnt + 0].iov_len = sizeof(level);
+	vec[cnt + 1].iov_base = LOG_TAG;
+	vec[cnt + 1].iov_len = sizeof(LOG_TAG);
+	vec[cnt + 2].iov_base  = msg;
+	vec[cnt + 2].iov_len  = strlen(msg) + 1;
+
+	cnt += 3;
+
+	writev(log_fd, vec, cnt);
+
+	free(msg);
+}
+
+void info(const char *format, ...)
+{
+	va_list ap;
+
+	va_start(ap, format);
+
+	android_log(LOG_INFO, format, ap);
+
+	va_end(ap);
+}
+
+void warn(const char *format, ...)
+{
+	va_list ap;
+
+	va_start(ap, format);
+
+	android_log(LOG_WARN, format, ap);
+
+	va_end(ap);
+}
+
+void error(const char *format, ...)
+{
+	va_list ap;
+
+	va_start(ap, format);
+
+	android_log(LOG_ERR, format, ap);
+
+	va_end(ap);
+}
+
+void btd_debug(const char *format, ...)
+{
+	va_list ap;
+
+	va_start(ap, format);
+
+	android_log(LOG_DEBUG, format, ap);
+
+	va_end(ap);
+}
+
+static bool init_legacy_log(void)
+{
+	log_fd = open("/dev/log/system", O_WRONLY);
+	if (log_fd < 0)
+		return false;
+
+	legacy_log = true;
+
+	return true;
+}
+
+static bool init_logd(void)
+{
+	struct sockaddr_un addr;
+
+	log_fd = socket(PF_UNIX, SOCK_DGRAM | SOCK_CLOEXEC, 0);
+	if (log_fd < 0)
+		return false;
+
+	if (fcntl(log_fd, F_SETFL, O_NONBLOCK) < 0)
+		goto failed;
+
+	memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	strcpy(addr.sun_path, "/dev/socket/logdw");
+
+	if (connect(log_fd, (struct sockaddr *)&addr, sizeof(addr)) < 0)
+		goto failed;
+
+	return true;
+
+failed:
+	close(log_fd);
+	log_fd = -1;
+
+	return false;
+}
+
+extern struct btd_debug_desc __start___debug[];
+extern struct btd_debug_desc __stop___debug[];
+
+void __btd_log_init(const char *debug, int detach)
+{
+	if (!init_logd() && !init_legacy_log())
+		return;
+
+	if (debug) {
+		struct btd_debug_desc *desc;
+
+		for (desc = __start___debug; desc < __stop___debug; desc++)
+			desc->flags |= BTD_DEBUG_FLAG_PRINT;
+	}
+
+	info("Bluetooth daemon %s", VERSION);
+}
+
+void __btd_log_cleanup(void)
+{
+	if (log_fd < 0)
+		return;
+
+	close(log_fd);
+	log_fd = -1;
+}