Run clang-format on the whole tree
[lttng-tools.git] / src / bin / lttng / commands / snapshot.cpp
index 3cb66c5557406ed3585d80f1f4c4185cda51be9e..4075b71989e81981b0ea545a4e02af05edfb8b28 100644 (file)
@@ -6,6 +6,13 @@
  */
 
 #define _LGPL_SOURCE
+#include "../command.hpp"
+
+#include <common/mi-lttng.hpp>
+#include <common/utils.hpp>
+
+#include <lttng/lttng.h>
+
 #include <inttypes.h>
 #include <popt.h>
 #include <stdio.h>
 #include <sys/types.h>
 #include <unistd.h>
 
-#include <common/utils.hpp>
-#include <common/mi-lttng.hpp>
-#include <lttng/lttng.h>
-
-#include "../command.hpp"
-
 static const char *opt_session_name;
 static const char *opt_output_name;
 static const char *opt_data_url;
@@ -39,7 +40,7 @@ static const char *indent4 = "    ";
 #ifdef LTTNG_EMBED_HELP
 static const char help_msg[] =
 #include <lttng-snapshot.1.h>
-;
+       ;
 #endif
 
 enum {
@@ -53,15 +54,15 @@ static struct mi_writer *writer;
 
 static struct poptOption snapshot_opts[] = {
        /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
-       {"help",      'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
-       {"session",      's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0},
-       {"ctrl-url",     'C', POPT_ARG_STRING, &opt_ctrl_url, 0, 0, 0},
-       {"data-url",     'D', POPT_ARG_STRING, &opt_data_url, 0, 0, 0},
-       {"name",         'n', POPT_ARG_STRING, &opt_output_name, 0, 0, 0},
-       {"max-size",     'm', POPT_ARG_STRING, 0, OPT_MAX_SIZE, 0, 0},
-       {"list-options",   0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
-       {"list-commands",  0, POPT_ARG_NONE, NULL, OPT_LIST_COMMANDS, NULL, NULL},
-       {0, 0, 0, 0, 0, 0, 0}
+       { "help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
+       { "session", 's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0 },
+       { "ctrl-url", 'C', POPT_ARG_STRING, &opt_ctrl_url, 0, 0, 0 },
+       { "data-url", 'D', POPT_ARG_STRING, &opt_data_url, 0, 0, 0 },
+       { "name", 'n', POPT_ARG_STRING, &opt_output_name, 0, 0, 0 },
+       { "max-size", 'm', POPT_ARG_STRING, 0, OPT_MAX_SIZE, 0, 0 },
+       { "list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL },
+       { "list-commands", 0, POPT_ARG_NONE, NULL, OPT_LIST_COMMANDS, NULL, NULL },
+       { 0, 0, 0, 0, 0, 0, 0 }
 };
 
 static struct cmd_struct actions[] = {
@@ -69,7 +70,7 @@ static struct cmd_struct actions[] = {
        { "del-output", cmd_del_output },
        { "list-output", cmd_list_output },
        { "record", cmd_record },
-       { NULL, NULL }  /* Array closure */
+       { NULL, NULL } /* Array closure */
 };
 
 /*
@@ -158,8 +159,7 @@ static int list_output(void)
        MSG("Snapshot output list for session %s", current_session_name);
 
        if (lttng_opt_mi) {
-               ret = mi_lttng_snapshot_output_session_name(writer,
-                               current_session_name);
+               ret = mi_lttng_snapshot_output_session_name(writer, current_session_name);
                if (ret) {
                        ret = CMD_ERROR;
                        goto end;
@@ -168,16 +168,18 @@ static int list_output(void)
 
        while ((s_iter = lttng_snapshot_output_list_get_next(list)) != NULL) {
                if (lttng_snapshot_output_get_maxsize(s_iter)) {
-                       MSG("%s[%" PRIu32 "] %s: %s (max size: %" PRIu64 " bytes)", indent4,
-                                       lttng_snapshot_output_get_id(s_iter),
-                                       lttng_snapshot_output_get_name(s_iter),
-                                       lttng_snapshot_output_get_ctrl_url(s_iter),
-                                       lttng_snapshot_output_get_maxsize(s_iter));
+                       MSG("%s[%" PRIu32 "] %s: %s (max size: %" PRIu64 " bytes)",
+                           indent4,
+                           lttng_snapshot_output_get_id(s_iter),
+                           lttng_snapshot_output_get_name(s_iter),
+                           lttng_snapshot_output_get_ctrl_url(s_iter),
+                           lttng_snapshot_output_get_maxsize(s_iter));
                } else {
-                       MSG("%s[%" PRIu32 "] %s: %s", indent4,
-                                       lttng_snapshot_output_get_id(s_iter),
-                                       lttng_snapshot_output_get_name(s_iter),
-                                       lttng_snapshot_output_get_ctrl_url(s_iter));
+                       MSG("%s[%" PRIu32 "] %s: %s",
+                           indent4,
+                           lttng_snapshot_output_get_id(s_iter),
+                           lttng_snapshot_output_get_name(s_iter),
+                           lttng_snapshot_output_get_ctrl_url(s_iter));
                }
                output_seen = 1;
                if (lttng_opt_mi) {
@@ -248,15 +250,16 @@ static int del_output(uint32_t id, const char *name)
 
        if (id != UINT32_MAX) {
                MSG("Snapshot output id %" PRIu32 " successfully deleted for session %s",
-                               id, current_session_name);
+                   id,
+                   current_session_name);
        } else {
                MSG("Snapshot output %s successfully deleted for session %s",
-                               name, current_session_name);
+                   name,
+                   current_session_name);
        }
 
        if (lttng_opt_mi) {
-               ret = mi_lttng_snapshot_del_output(writer, id, name,
-                               current_session_name);
+               ret = mi_lttng_snapshot_del_output(writer, id, name, current_session_name);
                if (ret) {
                        ret = CMD_ERROR;
                }
@@ -297,7 +300,9 @@ static int add_output(const char *url)
        n_ptr = lttng_snapshot_output_get_name(output);
        if (*n_ptr == '\0') {
                int pret;
-               pret = snprintf(name, sizeof(name), DEFAULT_SNAPSHOT_NAME "-%" PRIu32,
+               pret = snprintf(name,
+                               sizeof(name),
+                               DEFAULT_SNAPSHOT_NAME "-%" PRIu32,
                                lttng_snapshot_output_get_id(output));
                if (pret < 0) {
                        PERROR("snprintf add output name");
@@ -305,21 +310,21 @@ static int add_output(const char *url)
                n_ptr = name;
        }
 
-       MSG("Snapshot output successfully added for session %s",
-                       current_session_name);
+       MSG("Snapshot output successfully added for session %s", current_session_name);
        if (opt_max_size) {
                MSG("  [%" PRIu32 "] %s: %s (max size: %" PRIu64 " bytes)",
-                               lttng_snapshot_output_get_id(output), n_ptr,
-                               lttng_snapshot_output_get_ctrl_url(output),
-                               lttng_snapshot_output_get_maxsize(output));
+                   lttng_snapshot_output_get_id(output),
+                   n_ptr,
+                   lttng_snapshot_output_get_ctrl_url(output),
+                   lttng_snapshot_output_get_maxsize(output));
        } else {
                MSG("  [%" PRIu32 "] %s: %s",
-                               lttng_snapshot_output_get_id(output), n_ptr,
-                               lttng_snapshot_output_get_ctrl_url(output));
+                   lttng_snapshot_output_get_id(output),
+                   n_ptr,
+                   lttng_snapshot_output_get_ctrl_url(output));
        }
        if (lttng_opt_mi) {
-               ret = mi_lttng_snapshot_add_output(writer, current_session_name,
-                               n_ptr, output);
+               ret = mi_lttng_snapshot_add_output(writer, current_session_name, n_ptr, output);
                if (ret) {
                        ret = CMD_ERROR;
                }
@@ -344,7 +349,7 @@ static int cmd_add_output(int argc, const char **argv)
                switch (-ret) {
                case LTTNG_ERR_SNAPSHOT_UNSUPPORTED:
                        ERR("Session \"%s\" contains a channel that is incompatible with the snapshot functionality.\nMake sure all channels are configured in 'mmap' output mode.",
-                                       current_session_name);
+                           current_session_name);
                        ret = CMD_ERROR;
                        break;
                default:
@@ -385,7 +390,7 @@ end:
 }
 
 static int cmd_list_output(int argc __attribute__((unused)),
-               const char **argv __attribute__((unused)))
+                          const char **argv __attribute__((unused)))
 {
        int ret;
 
@@ -421,13 +426,11 @@ static int record(const char *url)
        if (url) {
                MSG("Snapshot written at: %s", url);
        } else if (opt_ctrl_url) {
-               MSG("Snapshot written to ctrl: %s, data: %s", opt_ctrl_url,
-                               opt_data_url);
+               MSG("Snapshot written to ctrl: %s, data: %s", opt_ctrl_url, opt_data_url);
        }
 
        if (lttng_opt_mi) {
-               ret = mi_lttng_snapshot_record(writer, url, opt_ctrl_url,
-                               opt_data_url);
+               ret = mi_lttng_snapshot_record(writer, url, opt_ctrl_url, opt_data_url);
                if (ret) {
                        ret = CMD_ERROR;
                }
@@ -463,8 +466,7 @@ static enum cmd_error_code handle_command(const char **argv)
                goto end;
        }
 
-       if ((!opt_ctrl_url && opt_data_url) ||
-                       (opt_ctrl_url && !opt_data_url)) {
+       if ((!opt_ctrl_url && opt_data_url) || (opt_ctrl_url && !opt_data_url)) {
                ERR("URLs must be specified for both data and control");
                cmd_ret = CMD_ERROR;
                goto end;
@@ -482,24 +484,24 @@ static enum cmd_error_code handle_command(const char **argv)
 
                        if (lttng_opt_mi) {
                                /* Action element */
-                               mi_ret = mi_lttng_writer_open_element(writer,
-                                               mi_lttng_element_command_action);
+                               mi_ret = mi_lttng_writer_open_element(
+                                       writer, mi_lttng_element_command_action);
                                if (mi_ret) {
                                        cmd_ret = CMD_ERROR;
                                        goto end;
                                }
 
                                /* Name of the action */
-                               mi_ret = mi_lttng_writer_write_element_string(writer,
-                                               config_element_name, argv[0]);
+                               mi_ret = mi_lttng_writer_write_element_string(
+                                       writer, config_element_name, argv[0]);
                                if (mi_ret) {
                                        cmd_ret = CMD_ERROR;
                                        goto end;
                                }
 
                                /* Open output element */
-                               mi_ret = mi_lttng_writer_open_element(writer,
-                                               mi_lttng_element_command_output);
+                               mi_ret = mi_lttng_writer_open_element(
+                                       writer, mi_lttng_element_command_output);
                                if (mi_ret) {
                                        cmd_ret = CMD_ERROR;
                                        goto end;
@@ -544,7 +546,6 @@ static enum cmd_error_code handle_command(const char **argv)
                                cmd_ret = CMD_SUCCESS;
                        }
 
-
                        if (lttng_opt_mi) {
                                /* Close output and action element */
                                mi_ret = mi_lttng_close_multi_element(writer, 2);
@@ -587,16 +588,14 @@ int cmd_snapshot(int argc, const char **argv)
                }
 
                /* Open command element */
-               mi_ret = mi_lttng_writer_command_open(writer,
-                               mi_lttng_element_command_snapshot);
+               mi_ret = mi_lttng_writer_command_open(writer, mi_lttng_element_command_snapshot);
                if (mi_ret) {
                        cmd_ret = CMD_ERROR;
                        goto end;
                }
 
                /* Open output element */
-               mi_ret = mi_lttng_writer_open_element(writer,
-                               mi_lttng_element_command_output);
+               mi_ret = mi_lttng_writer_open_element(writer, mi_lttng_element_command_output);
                if (mi_ret) {
                        cmd_ret = CMD_ERROR;
                        goto end;
@@ -624,12 +623,10 @@ int cmd_snapshot(int argc, const char **argv)
                {
                        uint64_t val;
                        char *max_size_arg = poptGetOptArg(pc);
-                       const int parse_ret = utils_parse_size_suffix(
-                                       (char *) max_size_arg, &val);
+                       const int parse_ret = utils_parse_size_suffix((char *) max_size_arg, &val);
 
                        if (parse_ret < 0) {
-                               ERR("Unable to handle max-size value %s",
-                                               max_size_arg);
+                               ERR("Unable to handle max-size value %s", max_size_arg);
                                cmd_ret = CMD_ERROR;
                                free(max_size_arg);
                                goto end;
@@ -667,9 +664,8 @@ int cmd_snapshot(int argc, const char **argv)
                }
 
                /* Success ? */
-               mi_ret = mi_lttng_writer_write_element_bool(writer,
-                               mi_lttng_element_command_success,
-                               cmd_ret == CMD_SUCCESS);
+               mi_ret = mi_lttng_writer_write_element_bool(
+                       writer, mi_lttng_element_command_success, cmd_ret == CMD_SUCCESS);
                if (mi_ret) {
                        cmd_ret = CMD_ERROR;
                        goto end;
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