X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=liblttd%2Fliblttdutils.c;fp=liblttd%2Fliblttdutils.c;h=0000000000000000000000000000000000000000;hb=8ba26eaefd4104c2951d4a29bec7ddd2059bbeff;hp=3368aba90e96e38ef0c83bbbc7d70dde2f6978d7;hpb=f51abe5f51af65c48c1505996ff7d9bf355303b8;p=ltt-control.git

diff --git a/liblttd/liblttdutils.c b/liblttd/liblttdutils.c
deleted file mode 100644
index 3368aba..0000000
--- a/liblttd/liblttdutils.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/* liblttdutils
- *
- * Linux Trace Toolkit utility library
- *
- * This is a simple daemon implementation that reads a few relay+debugfs
- * channels and save them in a trace.
- *
- * CPU hot-plugging is supported using inotify.
- *
- * Copyright 2005 -
- * 	Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
- * Copyright 2010 -
- *	Michael Sills-Lavoie <michael.sills-lavoie@polymtl.ca>
- *	Oumarou Dicko <oumarou.dicko@polymtl.ca>
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#define _REENTRANT
-#define _GNU_SOURCE
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <pthread.h>
-#include <sys/stat.h>
-
-#include "liblttdutils.h"
-
-struct liblttdutils_channel_data {
-	int trace;
-};
-
-struct liblttdutils_data {
-	char path_trace[PATH_MAX];
-	char *end_path_trace;
-	int path_trace_len;
-	int append_mode;
-	int verbose_mode;
-};
-
-static __thread int thread_pipe[2];
-
-#define printf_verbose(fmt, args...) \
-  do {                               \
-    if (callbacks_data->verbose_mode)                \
-      printf(fmt, ##args);           \
-  } while (0)
-
-int liblttdutils_local_on_open_channel(struct liblttd_callbacks *data, struct fd_pair *pair, char *relative_channel_path)
-{
-	int open_ret = 0;
-	int ret;
-	struct stat stat_buf;
-	struct liblttdutils_channel_data *channel_data;
-
-	pair->user_data = malloc(sizeof(struct liblttdutils_channel_data));
-	channel_data = pair->user_data;
-
-	struct liblttdutils_data* callbacks_data = data->user_data;
-
-	strncpy(callbacks_data->end_path_trace, relative_channel_path, PATH_MAX - callbacks_data->path_trace_len);
-	printf_verbose("Creating trace file %s\n", callbacks_data->path_trace);
-
-	ret = stat(callbacks_data->path_trace, &stat_buf);
-	if(ret == 0) {
-		if(callbacks_data->append_mode) {
-			printf_verbose("Appending to file %s as requested\n",
-				callbacks_data->path_trace);
-
-			channel_data->trace = open(callbacks_data->path_trace, O_WRONLY, S_IRWXU|S_IRWXG|S_IRWXO);
-			if(channel_data->trace == -1) {
-				perror(callbacks_data->path_trace);
-				open_ret = -1;
-				goto end;
-			}
-			ret = lseek(channel_data->trace, 0, SEEK_END);
-			if (ret < 0) {
-				perror(callbacks_data->path_trace);
-				open_ret = -1;
-				close(channel_data->trace);
-				goto end;
-			}
-		} else {
-			printf("File %s exists, cannot open. Try append mode.\n", callbacks_data->path_trace);
-			open_ret = -1;
-			goto end;
-		}
-	} else {
-		if(errno == ENOENT) {
-			channel_data->trace =
-				open(callbacks_data->path_trace, O_WRONLY|O_CREAT|O_EXCL, S_IRWXU|S_IRWXG|S_IRWXO);
-			if(channel_data->trace == -1) {
-				perror(callbacks_data->path_trace);
-				open_ret = -1;
-				goto end;
-			}
-		}
-	}
-
-end:
-	return open_ret;
-
-}
-
-int liblttdutils_local_on_close_channel(struct liblttd_callbacks *data, struct fd_pair *pair)
-{
-	int ret;
-	ret = close(((struct liblttdutils_channel_data *)(pair->user_data))->trace);
-	free(pair->user_data);
-	return ret;
-}
-
-int liblttdutils_local_on_new_channels_folder(struct liblttd_callbacks *data, char *relative_folder_path)
-{
-	int ret;
-	int open_ret = 0;
-	struct liblttdutils_data* callbacks_data = data->user_data;
-
-	strncpy(callbacks_data->end_path_trace, relative_folder_path, PATH_MAX - callbacks_data->path_trace_len);
-	printf_verbose("Creating trace subdirectory %s\n", callbacks_data->path_trace);
-
-	ret = mkdir(callbacks_data->path_trace, S_IRWXU|S_IRWXG|S_IRWXO);
-	if(ret == -1) {
-		if(errno != EEXIST) {
-			perror(callbacks_data->path_trace);
-			open_ret = -1;
-			goto end;
-		}
-	}
-
-end:
-	return open_ret;
-}
-
-int liblttdutils_local_on_read_subbuffer(struct liblttd_callbacks *data, struct fd_pair *pair, unsigned int len)
-{
-	long ret;
-	off_t offset = 0;
-
-	struct liblttdutils_data* callbacks_data = data->user_data;
-
-	while (len > 0) {
-		printf_verbose("splice chan to pipe offset %lu\n",
-			(unsigned long)offset);
-		ret = splice(pair->channel, &offset, thread_pipe[1], NULL,
-			len, SPLICE_F_MOVE | SPLICE_F_MORE);
-		printf_verbose("splice chan to pipe ret %ld\n", ret);
-		if (ret < 0) {
-			perror("Error in relay splice");
-			goto write_error;
-		}
-		ret = splice(thread_pipe[0], NULL,
-			((struct liblttdutils_channel_data *)(pair->user_data))->trace,
-			NULL, ret, SPLICE_F_MOVE | SPLICE_F_MORE);
-		printf_verbose("splice pipe to file %ld\n", ret);
-		if (ret < 0) {
-			perror("Error in file splice");
-			goto write_error;
-		}
-		len -= ret;
-	}
-
-write_error:
-	return ret;
-}
-
-int liblttdutils_local_on_new_thread(struct liblttd_callbacks *data, unsigned long thread_num)
-{
-	int ret;
-	ret = pipe(thread_pipe);
-	if (ret < 0) {
-		perror("Error creating pipe");
-		return ret;
-	}
-	return 0;
-}
-
-int liblttdutils_local_on_close_thread(struct liblttd_callbacks *data, unsigned long thread_num)
-{
-	close(thread_pipe[0]);	/* close read end */
-	close(thread_pipe[1]);	/* close write end */
-	return 0;
-}
-
-int liblttdutils_local_on_trace_end(struct liblttd_instance *instance)
-{
-	struct liblttd_callbacks *callbacks = instance->callbacks;
-	struct liblttdutils_data *data = callbacks->user_data;
-
-	free(data);
-	free(callbacks);
-}
-
-struct liblttd_callbacks* liblttdutils_local_new_callbacks(char* trace_name,
-	int append_mode, int verbose_mode)
-{
-	struct liblttdutils_data *data;
-	struct liblttd_callbacks *callbacks;
-
-	if(!trace_name) return NULL;
-
-	data = malloc(sizeof(struct liblttdutils_data));
-
-	strncpy(data->path_trace, trace_name, PATH_MAX-1);
-	data->path_trace_len = strlen(data->path_trace);
-	data->end_path_trace = data->path_trace + data->path_trace_len;
-	data->append_mode = append_mode;
-	data->verbose_mode = verbose_mode;
-
-	callbacks = malloc(sizeof(struct liblttd_callbacks));
-
-	callbacks->on_open_channel = liblttdutils_local_on_open_channel;
-	callbacks->on_close_channel = liblttdutils_local_on_close_channel;
-	callbacks->on_new_channels_folder = liblttdutils_local_on_new_channels_folder;
-	callbacks->on_read_subbuffer = liblttdutils_local_on_read_subbuffer;
-	callbacks->on_trace_end = liblttdutils_local_on_trace_end;
-	callbacks->on_new_thread = liblttdutils_local_on_new_thread;
-	callbacks->on_close_thread = liblttdutils_local_on_close_thread;
-	callbacks->user_data = data;
-
-	return callbacks;
-}
-