From 900b24a90caac4e33ed652838b4a02f07b76cd36 Mon Sep 17 00:00:00 2001 From: compudj Date: Wed, 23 Aug 2006 11:16:37 +0000 Subject: [PATCH] change space for tabs git-svn-id: http://ltt.polymtl.ca/svn@2037 04897980-b3bd-0310-b5e0-8ef037075253 --- ltt-control/lttctl/lttctl.c | 314 ++++++++++++++++++------------------ 1 file changed, 160 insertions(+), 154 deletions(-) diff --git a/ltt-control/lttctl/lttctl.c b/ltt-control/lttctl/lttctl.c index bdf6f98..76affb9 100644 --- a/ltt-control/lttctl/lttctl.c +++ b/ltt-control/lttctl/lttctl.c @@ -28,10 +28,10 @@ #define BUF_SIZE 4096 enum trace_ctl_op { - CTL_OP_CREATE_START, + CTL_OP_CREATE_START, CTL_OP_CREATE, CTL_OP_DESTROY, - CTL_OP_STOP_DESTROY, + CTL_OP_STOP_DESTROY, CTL_OP_START, CTL_OP_STOP, CTL_OP_DAEMON, @@ -67,28 +67,28 @@ void show_arguments(void) { printf("Please use the following arguments :\n"); printf("\n"); - printf("-n name Name of the trace.\n"); - printf("-b Create trace channels and start tracing (no daemon).\n"); - printf("-c Create trace channels.\n"); - printf("-m mode Normal or flight recorder mode.\n"); - printf(" Mode values : normal (default) or flight.\n"); - printf("-r Destroy trace channels.\n"); - printf("-R Stop tracing and destroy trace channels.\n"); - printf("-s Start tracing.\n"); - //printf(" Note : will automatically create a normal trace if " + printf("-n name Name of the trace.\n"); + printf("-b Create trace channels and start tracing (no daemon).\n"); + printf("-c Create trace channels.\n"); + printf("-m mode Normal or flight recorder mode.\n"); + printf(" Mode values : normal (default) or flight.\n"); + printf("-r Destroy trace channels.\n"); + printf("-R Stop tracing and destroy trace channels.\n"); + printf("-s Start tracing.\n"); + //printf(" Note : will automatically create a normal trace if " // "none exists.\n"); - printf("-q Stop tracing.\n"); - printf("-d Create trace, spawn a lttd daemon, start tracing.\n"); - printf(" (optionnaly, you can set LTT_DAEMON\n"); - printf(" and the LTT_FACILITIES env. vars.)\n"); - printf("-t Trace root path. (ex. /root/traces/example_trace)\n"); - printf("-T Type of trace (ex. relay)\n"); - printf("-l LTT channels root path. (ex. /mnt/relayfs/ltt)\n"); - printf("-z Size of the subbuffers (will be rounded to next page size)\n"); - printf("-x Number of subbuffers\n"); - printf("-e Get XML facilities description\n"); - printf("-a Append to trace\n"); - printf("-N Number of lttd threads\n"); + printf("-q Stop tracing.\n"); + printf("-d Create trace, spawn a lttd daemon, start tracing.\n"); + printf(" (optionnaly, you can set LTT_DAEMON\n"); + printf(" and the LTT_FACILITIES env. vars.)\n"); + printf("-t Trace root path. (ex. /root/traces/example_trace)\n"); + printf("-T Type of trace (ex. relay)\n"); + printf("-l LTT channels root path. (ex. /mnt/relayfs/ltt)\n"); + printf("-z Size of the subbuffers (will be rounded to next page size)\n"); + printf("-x Number of subbuffers\n"); + printf("-e Get XML facilities description\n"); + printf("-a Append to trace\n"); + printf("-N Number of lttd threads\n"); printf("\n"); } @@ -127,12 +127,12 @@ int parse_arguments(int argc, char **argv) } break; - case 'b': - op = CTL_OP_CREATE_START; + case 'b': + op = CTL_OP_CREATE_START; break; case 'c': op = CTL_OP_CREATE; - break; + break; case 'm': if(argn+1 < argc) { mode_name = argv[argn+1]; @@ -187,9 +187,9 @@ int parse_arguments(int argc, char **argv) case 'd': op = CTL_OP_DAEMON; break; - case 'e': - op = CTL_OP_DESCRIPTION; - break; + case 'e': + op = CTL_OP_DESCRIPTION; + break; case 't': if(argn+1 < argc) { trace_root = argv[argn+1]; @@ -210,10 +210,10 @@ int parse_arguments(int argc, char **argv) ret = EINVAL; } break; - case 'a': - append_trace = 1; - break; - case 'N': + case 'a': + append_trace = 1; + break; + case 'N': if(argn+1 < argc) { num_threads = argv[argn+1]; argn++; @@ -268,13 +268,13 @@ int parse_arguments(int argc, char **argv) } } - if(op == CTL_OP_DESCRIPTION) { - if(trace_root == NULL) { + if(op == CTL_OP_DESCRIPTION) { + if(trace_root == NULL) { printf("Please specify -t trace_root_path with the -e option.\n"); printf("\n"); ret = EINVAL; - } - } + } + } return ret; } @@ -283,105 +283,105 @@ void show_info(void) { printf("Linux Trace Toolkit Trace Control\n"); printf("\n"); - if(trace_name != NULL) { - printf("Controlling trace : %s\n", trace_name); - printf("\n"); - } + if(trace_name != NULL) { + printf("Controlling trace : %s\n", trace_name); + printf("\n"); + } } int create_eventdefs(void) { - int ret = 0; - char eventdefs_path[PATH_MAX]; - char eventdefs_file[PATH_MAX]; - char facilities_file[PATH_MAX]; - char read_buf[BUF_SIZE]; - struct dirent *entry; + int ret = 0; + char eventdefs_path[PATH_MAX]; + char eventdefs_file[PATH_MAX]; + char facilities_file[PATH_MAX]; + char read_buf[BUF_SIZE]; + struct dirent *entry; char *facilities_path = getenv("LTT_FACILITIES"); if(facilities_path == NULL) facilities_path = - PACKAGE_DATA_DIR "/" PACKAGE "/facilities"; - - ret = mkdir(trace_root, S_IRWXU|S_IRWXG|S_IRWXO); - if(ret == -1 && errno != EEXIST) { - ret = errno; - perror("Cannot create trace_root directory"); - printf("trace_root is %s\n", trace_root); - goto error; - } - ret = 0; - - size_t trace_root_len = strlen(trace_root); - strncpy(eventdefs_path, trace_root, PATH_MAX); - strncat(eventdefs_path, "/eventdefs/", PATH_MAX - trace_root_len); - size_t eventdefs_path_len = strlen(eventdefs_path); - ret = mkdir(eventdefs_path, S_IRWXU|S_IRWXG|S_IRWXO); - if(ret == -1 && (!append_trace || errno != EEXIST)) { - ret = errno; - perror("Cannot create eventdefs directory"); - goto error; - } - ret = 0; - - DIR *facilities_dir = opendir(facilities_path); - - if(facilities_dir == NULL) { - perror("Cannot open facilities directory"); - ret = EEXIST; - goto error; - } - - while((entry = readdir(facilities_dir)) != NULL) { - if(entry->d_name[0] == '.') continue; - - printf("Appending facility file %s\n", entry->d_name); - strncpy(eventdefs_file, eventdefs_path, PATH_MAX); - strncat(eventdefs_file, entry->d_name, PATH_MAX - eventdefs_path_len); - /* Append to the file */ - FILE *dest = fopen(eventdefs_file, "a"); - if(!dest) { - perror("Cannot create eventdefs file"); - continue; - } - strncpy(facilities_file, facilities_path, PATH_MAX); - size_t facilities_dir_len = strlen(facilities_path); - strncat(facilities_file, "/", PATH_MAX - facilities_dir_len); - strncat(facilities_file, entry->d_name, PATH_MAX - facilities_dir_len-1); - FILE *src = fopen(facilities_file, "r"); - if(!src) { - ret = errno; - perror("Cannot open eventdefs file for reading"); - goto close_dest; - } - - do { - size_t read_size, write_size; - read_size = fread(read_buf, sizeof(char), BUF_SIZE, src); - if(ferror(src)) { - ret = errno; - perror("Cannot read eventdefs file"); - goto close_src; - } - write_size = fwrite(read_buf, sizeof(char), read_size, dest); - if(ferror(dest)) { - ret = errno; - perror("Cannot write eventdefs file"); - goto close_src; - } - } while(!feof(src)); - - /* Add spacing between facilities */ - fwrite("\n", 1, 1, dest); - + PACKAGE_DATA_DIR "/" PACKAGE "/facilities"; + + ret = mkdir(trace_root, S_IRWXU|S_IRWXG|S_IRWXO); + if(ret == -1 && errno != EEXIST) { + ret = errno; + perror("Cannot create trace_root directory"); + printf("trace_root is %s\n", trace_root); + goto error; + } + ret = 0; + + size_t trace_root_len = strlen(trace_root); + strncpy(eventdefs_path, trace_root, PATH_MAX); + strncat(eventdefs_path, "/eventdefs/", PATH_MAX - trace_root_len); + size_t eventdefs_path_len = strlen(eventdefs_path); + ret = mkdir(eventdefs_path, S_IRWXU|S_IRWXG|S_IRWXO); + if(ret == -1 && (!append_trace || errno != EEXIST)) { + ret = errno; + perror("Cannot create eventdefs directory"); + goto error; + } + ret = 0; + + DIR *facilities_dir = opendir(facilities_path); + + if(facilities_dir == NULL) { + perror("Cannot open facilities directory"); + ret = EEXIST; + goto error; + } + + while((entry = readdir(facilities_dir)) != NULL) { + if(entry->d_name[0] == '.') continue; + + printf("Appending facility file %s\n", entry->d_name); + strncpy(eventdefs_file, eventdefs_path, PATH_MAX); + strncat(eventdefs_file, entry->d_name, PATH_MAX - eventdefs_path_len); + /* Append to the file */ + FILE *dest = fopen(eventdefs_file, "a"); + if(!dest) { + perror("Cannot create eventdefs file"); + continue; + } + strncpy(facilities_file, facilities_path, PATH_MAX); + size_t facilities_dir_len = strlen(facilities_path); + strncat(facilities_file, "/", PATH_MAX - facilities_dir_len); + strncat(facilities_file, entry->d_name, PATH_MAX - facilities_dir_len-1); + FILE *src = fopen(facilities_file, "r"); + if(!src) { + ret = errno; + perror("Cannot open eventdefs file for reading"); + goto close_dest; + } + + do { + size_t read_size, write_size; + read_size = fread(read_buf, sizeof(char), BUF_SIZE, src); + if(ferror(src)) { + ret = errno; + perror("Cannot read eventdefs file"); + goto close_src; + } + write_size = fwrite(read_buf, sizeof(char), read_size, dest); + if(ferror(dest)) { + ret = errno; + perror("Cannot write eventdefs file"); + goto close_src; + } + } while(!feof(src)); + + /* Add spacing between facilities */ + fwrite("\n", 1, 1, dest); + close_src: - fclose(src); + fclose(src); close_dest: - fclose(dest); - } + fclose(dest); + } - closedir(facilities_dir); + closedir(facilities_dir); error: - return ret; + return ret; } @@ -395,7 +395,7 @@ int lttctl_daemon(struct lttctl_handle *handle, char *trace_name) struct sigaction act; if(lttd_path == NULL) lttd_path = - PACKAGE_BIN_DIR "/lttd"; + PACKAGE_BIN_DIR "/lttd"; strcat(channel_path, channel_root); strcat(channel_path, "/"); @@ -413,31 +413,37 @@ int lttctl_daemon(struct lttctl_handle *handle, char *trace_name) pid = fork(); if(pid > 0) { - int status; + int status; /* parent */ while(!(sigchld_received)) pause(); - waitpid(pid, &status, 0); - ret = 0; - if(WIFEXITED(status)) - ret = WEXITSTATUS(status); - if(ret) goto start_error; + ret = waitpid(pid, &status, 0); + if(ret == -1) { + ret = errno; + perror("Error in waitpid"); + goto start_error; + } + + ret = 0; + if(WIFEXITED(status)) + ret = WEXITSTATUS(status); + if(ret) goto start_error; printf("Creating supplementary trace files\n"); - ret = create_eventdefs(); - if(ret) goto start_error; + ret = create_eventdefs(); + if(ret) goto start_error; } else if(pid == 0) { /* child */ - int ret; - if(append_trace) - ret = execlp(lttd_path, lttd_path, "-t", trace_root, "-c", - channel_path, "-d", "-a", "-N", num_threads, NULL); - else - ret = execlp(lttd_path, lttd_path, "-t", trace_root, "-c", - channel_path, "-d", "-N", num_threads, NULL); + int ret; + if(append_trace) + ret = execlp(lttd_path, lttd_path, "-t", trace_root, "-c", + channel_path, "-d", "-a", "-N", num_threads, NULL); + else + ret = execlp(lttd_path, lttd_path, "-t", trace_root, "-c", + channel_path, "-d", "-N", num_threads, NULL); if(ret) { - ret = errno; + ret = errno; perror("Error in executing the lttd daemon"); exit(ret); } @@ -453,7 +459,7 @@ int lttctl_daemon(struct lttctl_handle *handle, char *trace_name) /* error handling */ start_error: - printf("Trace start error\n"); + printf("Trace start error\n"); ret |= lttctl_destroy_trace(handle, trace_name); create_error: return ret; @@ -477,23 +483,23 @@ int main(int argc, char ** argv) if(handle == NULL) return -1; switch(op) { - case CTL_OP_CREATE_START: + case CTL_OP_CREATE_START: ret = lttctl_create_trace(handle, trace_name, mode, trace_type, subbuf_size, n_subbufs); - if(!ret) - ret = lttctl_start(handle, trace_name); - break; - case CTL_OP_CREATE: + if(!ret) + ret = lttctl_start(handle, trace_name); + break; + case CTL_OP_CREATE: ret = lttctl_create_trace(handle, trace_name, mode, trace_type, subbuf_size, n_subbufs); - break; + break; case CTL_OP_DESTROY: ret = lttctl_destroy_trace(handle, trace_name); break; case CTL_OP_STOP_DESTROY: ret = lttctl_stop(handle, trace_name); - if(!ret) - ret = lttctl_destroy_trace(handle, trace_name); + if(!ret) + ret = lttctl_destroy_trace(handle, trace_name); break; case CTL_OP_START: ret = lttctl_start(handle, trace_name); @@ -504,9 +510,9 @@ int main(int argc, char ** argv) case CTL_OP_DAEMON: ret = lttctl_daemon(handle, trace_name); break; - case CTL_OP_DESCRIPTION: - ret = create_eventdefs(); - break; + case CTL_OP_DESCRIPTION: + ret = create_eventdefs(); + break; case CTL_OP_NONE: break; } -- 2.34.1