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-rw-r--r--lib/librte_eal/linuxapp/eal/eal_log.c137
1 files changed, 137 insertions, 0 deletions
diff --git a/lib/librte_eal/linuxapp/eal/eal_log.c b/lib/librte_eal/linuxapp/eal/eal_log.c
new file mode 100644
index 0000000..3d3d7ba
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+++ b/lib/librte_eal/linuxapp/eal/eal_log.c
@@ -0,0 +1,137 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * version: DPDK.L.1.2.3-3
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <syslog.h>
+#include <sys/queue.h>
+
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_tailq.h>
+#include <rte_eal.h>
+#include <rte_launch.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_spinlock.h>
+#include <rte_log.h>
+
+#include "eal_private.h"
+
+/*
+ * default log function, used once mempool (hence log history) is
+ * available
+ */
+static ssize_t
+console_log_write(__attribute__((unused)) void *c, const char *buf, size_t size)
+{
+ char copybuf[BUFSIZ + 1];
+ ssize_t ret;
+ uint32_t loglevel;
+
+ /* add this log in history */
+ rte_log_add_in_history(buf, size);
+
+ /* write on stdout */
+ ret = fwrite(buf, 1, size, stdout);
+ fflush(stdout);
+
+ /* truncate message if too big (should not happen) */
+ if (size > BUFSIZ)
+ size = BUFSIZ;
+
+ /* Syslog error levels are from 0 to 7, so subtract 1 to convert */
+ loglevel = rte_log_cur_msg_loglevel() - 1;
+ memcpy(copybuf, buf, size);
+ copybuf[size] = '\0';
+
+ /* write on syslog too */
+ syslog(loglevel, "%s", copybuf);
+
+ return ret;
+}
+
+static ssize_t
+console_log_read(__attribute__((unused)) void *c,
+ __attribute__((unused)) char *buf,
+ __attribute__((unused)) size_t size)
+{
+ return 0;
+}
+
+static int
+console_log_seek(__attribute__((unused)) void *c,
+ __attribute__((unused)) off64_t *offset,
+ __attribute__((unused)) int whence)
+{
+ return -1;
+}
+
+static int
+console_log_close(__attribute__((unused)) void *c)
+{
+ return 0;
+}
+
+static cookie_io_functions_t console_log_func = {
+ .read = console_log_read,
+ .write = console_log_write,
+ .seek = console_log_seek,
+ .close = console_log_close
+};
+
+/*
+ * set the log to default function, called during eal init process,
+ * once memzones are available.
+ */
+int
+rte_eal_log_init(void)
+{
+ FILE *log_stream;
+
+ log_stream = fopencookie(NULL, "w+", console_log_func);
+ if (log_stream == NULL)
+ return -1;
+
+ openlog("rte", LOG_NDELAY | LOG_PID, LOG_DAEMON);
+
+ if (rte_eal_common_log_init(log_stream) < 0)
+ return -1;
+
+ return 0;
+}
+