#include "../command.h"
#include "../utils.h"
-#include <common/defaults.h>
-#include <common/sessiond-comm/sessiond-comm.h>
-#include <common/uri.h>
-
-static int opt_kernel;
-static int opt_userspace;
-static int opt_enable;
-static char *opt_session_name;
-static char *opt_uris;
-static char *opt_ctrl_uris;
-static char *opt_data_uris;
-static char *opt_uris_arg;
-
-static struct lttng_handle *handle;
-
-enum {
- OPT_HELP = 1,
- OPT_LIST_OPTIONS,
-};
-
-static struct poptOption long_options[] = {
- /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
- {"help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL},
- {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
- {"session", 's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0},
- {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0},
- {"userspace", 'u', POPT_ARG_VAL, &opt_userspace, 1, 0, 0},
- {"set-uri", 'U', POPT_ARG_STRING, &opt_uris, 0, 0, 0},
- {"ctrl-uri", 'C', POPT_ARG_STRING, &opt_ctrl_uris, 0, 0, 0},
- {"data-uri", 'D', POPT_ARG_STRING, &opt_data_uris, 0, 0, 0},
- {"enable", 'e', POPT_ARG_VAL, &opt_enable, 1, 0, 0},
- {0, 0, 0, 0, 0, 0, 0}
-};
-
-/*
- * usage
- */
-static void usage(FILE *ofp)
-{
- fprintf(ofp, "usage: lttng enable-consumer [-u|-k] [URI] [OPTIONS]\n");
- fprintf(ofp, "\n");
- fprintf(ofp, "The default behavior is to enable a consumer to the current URI.\n");
- fprintf(ofp, "The default URI is the local filesystem at the path of the session.\n");
- fprintf(ofp, "\n");
- fprintf(ofp, "The enable-consumer feature supports both local and network transport.\n");
- fprintf(ofp, "You must have a running lttng-relayd for network transmission.\n");
- fprintf(ofp, "\n");
- fprintf(ofp, "You can optionally specify two URIs for respectively the\n");
- fprintf(ofp, "control and data channel. URI supported:\n");
- fprintf(ofp, " > file://PATH\n");
- fprintf(ofp, " Local file full system path.\n");
- fprintf(ofp, "\n");
- fprintf(ofp, " > net://DST[:CTRL_PORT[:DATA_PORT]] and net6://...\n");
- fprintf(ofp, " This will use the default network transport layer which is\n");
- fprintf(ofp, " TCP for both control and data port. The default ports are\n");
- fprintf(ofp, " respectively 5342 and 5343.\n");
- fprintf(ofp, " Example:\n");
- fprintf(ofp, " # lttng enable-consumer net://192.168.1.42 -k\n");
- fprintf(ofp, " Uses TCP and default ports for the given destination.\n");
- fprintf(ofp, "\n");
- fprintf(ofp, " > tcp://DST:PORT and tcp6://DST:PORT\n");
- fprintf(ofp, "\n");
- fprintf(ofp, "Options:\n");
- fprintf(ofp, " -h, --help Show this help\n");
- fprintf(ofp, " --list-options Simple listing of options\n");
- fprintf(ofp, " -s, --session=NAME Apply to session name\n");
- fprintf(ofp, " -k, --kernel Apply to the kernel tracer\n");
- fprintf(ofp, " -u, --userspace Apply to the user-space tracer\n");
- //fprintf(ofp, " -U, --set-uri=URI1[,URI2,...]\n");
- fprintf(ofp, "\n");
- fprintf(ofp, "Extended Options:\n");
- fprintf(ofp, "\n");
- fprintf(ofp, "Using these options, each API call is controlled individually.\n");
- fprintf(ofp, "For instance, -C does not enable the consumer automatically.\n");
- fprintf(ofp, "\n");
- fprintf(ofp, " -U, --set-uri=URI Set URI for the enable-consumer destination.\n");
- fprintf(ofp, " It is persistent for the session lifetime.\n");
- fprintf(ofp, " Redo the command to change it.\n");
- fprintf(ofp, " This will set both data and control URI for network.\n");
- //fprintf(ofp, " -C, --ctrl-uri=URI1[,URI2,...]\n");
- fprintf(ofp, " -C, --ctrl-uri=URI Set control path URI.\n");
- //fprintf(ofp, " -D, --data-uri=URI1[,URI2,...]\n");
- fprintf(ofp, " -D, --data-uri=URI Set data path URI.\n");
- fprintf(ofp, " -e, --enable Enable consumer\n");
- fprintf(ofp, "\n");
-}
-
-/*
- * Print URI message.
- */
-static void print_uri_msg(struct lttng_uri *uri)
-{
- char *dst;
-
- switch (uri->dtype) {
- case LTTNG_DST_IPV4:
- dst = uri->dst.ipv4;
- break;
- case LTTNG_DST_IPV6:
- dst = uri->dst.ipv6;
- break;
- case LTTNG_DST_PATH:
- dst = uri->dst.path;
- MSG("Consumer destination set to %s", dst);
- goto end;
- default:
- DBG("Unknown URI destination");
- goto end;
- }
-
- MSG("Consumer %s stream set to %s with the %s protocol on port %d",
- uri->stype == LTTNG_STREAM_CONTROL ? "control" : "data",
- dst, uri->proto == LTTNG_TCP ? "TCP" : "UNK", uri->port);
-
-end:
- return;
-}
-
-/*
- * Setting URIs taking from the command line arguments. There is some
- * manipulations and special cases using the default args.
- */
-static int set_consumer_arg_uris(struct lttng_uri *uri, size_t size)
-{
- int ret, i;
-
- if (size == 2) {
- /* URIs are the control and data stream respectively for net:// */
- uri[0].stype = LTTNG_STREAM_CONTROL;
- uri[1].stype = LTTNG_STREAM_DATA;
-
- for (i = 0; i < size; i++) {
- ret = lttng_set_consumer_uri(handle, &uri[i]);
- if (ret < 0) {
- ERR("Setting %s stream URI: %s",
- uri[i].stype == LTTNG_STREAM_DATA ? "data" : "control",
- lttng_strerror(ret));
- goto error;
- }
- /* Set default port if none was given */
- if (uri[i].port == 0) {
- if (uri[i].stype == LTTNG_STREAM_CONTROL) {
- uri[i].port = DEFAULT_NETWORK_CONTROL_PORT;
- } else {
- uri[i].port = DEFAULT_NETWORK_DATA_PORT;
- }
- }
- print_uri_msg(&uri[i]);
- }
- } else if (size == 1 && uri[0].dtype == LTTNG_DST_PATH) {
- /* Set URI if it's file:// */
- ret = lttng_set_consumer_uri(handle, &uri[0]);
- if (ret < 0) {
- ERR("Failed to set URI %s: %s", opt_uris_arg,
- lttng_strerror(ret));
- goto error;
- }
- print_uri_msg(&uri[0]);
- } else {
- ERR("Only net:// and file:// are supported. "
- "Use -D or -U for more fine grained control");
- ret = CMD_ERROR;
- goto error;
- }
-
-error:
- return ret;
-}
-
-/*
- * Parse URI from string to lttng_uri object array.
- */
-static ssize_t parse_uri_from_str(const char *str_uri, struct lttng_uri **uris)
-{
- ssize_t size;
-
- if (*uris != NULL) {
- free(*uris);
- }
-
- size = uri_parse(str_uri, uris);
- if (size < 1) {
- ERR("Bad URI %s. Either the hostname or IP is invalid", str_uri);
- size = -1;
- }
-
- return size;
-}
-
-/*
- * Enable consumer command.
- */
-static int enable_consumer(char *session_name)
-{
- int ret = CMD_SUCCESS;
- int run_enable_cmd = 1;
- ssize_t size;
- struct lttng_domain dom;
- struct lttng_uri *uri = NULL;
-
- memset(&dom, 0, sizeof(dom));
-
- /* Create lttng domain */
- if (opt_kernel) {
- dom.type = LTTNG_DOMAIN_KERNEL;
- } else if (opt_userspace) {
- dom.type = LTTNG_DOMAIN_UST;
- } else {
- ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
- ret = CMD_ERROR;
- goto error;
- }
-
- handle = lttng_create_handle(session_name, &dom);
- if (handle == NULL) {
- ret = -1;
- goto error;
- }
-
- /* Handle trailing arguments */
- if (opt_uris_arg) {
- size = parse_uri_from_str(opt_uris_arg, &uri);
- if (size < 1) {
- ret = CMD_ERROR;
- goto error;
- }
-
- ret = set_consumer_arg_uris(uri, size);
- if (ret < 0) {
- goto free_uri;
- }
- }
-
- /* Handling URIs (-U opt) */
- if (opt_uris) {
- size = parse_uri_from_str(opt_uris, &uri);
- if (size < 1) {
- ret = CMD_ERROR;
- goto error;
- }
-
- ret = set_consumer_arg_uris(uri, size);
- if (ret < 0) {
- goto free_uri;
- }
-
- /* opt_enable will tell us to run or not the enable_consumer cmd. */
- run_enable_cmd = 0;
- }
-
- /* Setting up control URI (-C opt) */
- if (opt_ctrl_uris) {
- size = parse_uri_from_str(opt_ctrl_uris, &uri);
- if (size < 1) {
- ret = CMD_ERROR;
- goto error;
- }
-
- /* Set default port if none specified */
- if (uri[0].port == 0) {
- uri[0].port = DEFAULT_NETWORK_CONTROL_PORT;
- }
-
- uri[0].stype = LTTNG_STREAM_CONTROL;
-
- ret = lttng_set_consumer_uri(handle, &uri[0]);
- if (ret < 0) {
- ERR("Failed to set control URI %s: %s", opt_ctrl_uris,
- lttng_strerror(ret));
- goto free_uri;
- }
- print_uri_msg(&uri[0]);
-
- /* opt_enable will tell us to run or not the enable_consumer cmd. */
- run_enable_cmd = 0;
- }
-
- /* Setting up data URI (-D opt) */
- if (opt_data_uris) {
- size = parse_uri_from_str(opt_data_uris, &uri);
- if (size < 1) {
- ret = CMD_ERROR;
- goto error;
- }
-
- /* Set default port if none specified */
- if (uri[0].port == 0) {
- uri[0].port = DEFAULT_NETWORK_DATA_PORT;
- }
-
- uri[0].stype = LTTNG_STREAM_DATA;
-
- ret = lttng_set_consumer_uri(handle, &uri[0]);
- if (ret < 0) {
- ERR("Failed to set data URI %s: %s", opt_data_uris,
- lttng_strerror(ret));
- goto free_uri;
- }
- print_uri_msg(&uri[0]);
-
- /* opt_enable will tell us to run or not the enable_consumer cmd. */
- run_enable_cmd = 0;
- }
-
- /* Enable consumer (-e opt) */
- if (opt_enable || run_enable_cmd) {
- ret = lttng_enable_consumer(handle);
- if (ret < 0) {
- ERR("Enabling consumer for session %s: %s", session_name,
- lttng_strerror(ret));
- if (ret == -LTTCOMM_ENABLE_CONSUMER_FAIL) {
- ERR("Perhaps the session was previously started?");
- }
- goto free_uri;
- }
-
- MSG("Consumer enabled successfully");
- }
-
-free_uri:
- free(uri);
-
-error:
- lttng_destroy_handle(handle);
- return ret;
-}
-
/*
* The 'enable-consumer <options>' first level command
*
*/
int cmd_enable_consumer(int argc, const char **argv)
{
- int opt, ret = CMD_SUCCESS;
- static poptContext pc;
- char *session_name = NULL;
-
- pc = poptGetContext(NULL, argc, argv, long_options, 0);
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) != -1) {
- switch (opt) {
- case OPT_HELP:
- usage(stdout);
- goto end;
- case OPT_LIST_OPTIONS:
- list_cmd_options(stdout, long_options);
- goto end;
- default:
- usage(stderr);
- ret = CMD_UNDEFINED;
- goto end;
- }
- }
-
- opt_uris_arg = (char *) poptGetArg(pc);
- DBG("URIs: %s", opt_uris_arg);
-
- /* Get session name */
- if (!opt_session_name) {
- session_name = get_session_name();
- if (session_name == NULL) {
- ret = CMD_ERROR;
- goto end;
- }
- } else {
- session_name = opt_session_name;
- }
-
- ret = enable_consumer(session_name);
+ int ret;
-end:
- if (opt_session_name == NULL) {
- free(session_name);
- }
+ MSG("The enable-consumer command is now obselete.");
+ ret = CMD_WARNING;
- poptFreeContext(pc);
return ret;
}
projects / lttng-tools.git / blobdiff