Use popt "required_argument" and "no_argument" constants

[lttng-tools.git] / src / bin / lttng-sessiond / main.c

diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
index 966f609177ad0b28104de59f827ec73f7101de24..196aa137178ce2bf31a5ad565c72cac11530ea4c 100644 (file)
--- a/src/bin/lttng-sessiond/main.c
+++ b/src/bin/lttng-sessiond/main.c
@@ -133,34 +133,34 @@ static struct consumer_data ustconsumer32_data = {
 
 /* Command line options */
 static const struct option long_options[] = {
-       { "client-sock", 1, 0, 'c' },
-       { "apps-sock", 1, 0, 'a' },
-       { "kconsumerd-cmd-sock", 1, 0, 'C' },
-       { "kconsumerd-err-sock", 1, 0, 'E' },
-       { "ustconsumerd32-cmd-sock", 1, 0, 'G' },
-       { "ustconsumerd32-err-sock", 1, 0, 'H' },
-       { "ustconsumerd64-cmd-sock", 1, 0, 'D' },
-       { "ustconsumerd64-err-sock", 1, 0, 'F' },
-       { "consumerd32-path", 1, 0, 'u' },
-       { "consumerd32-libdir", 1, 0, 'U' },
-       { "consumerd64-path", 1, 0, 't' },
-       { "consumerd64-libdir", 1, 0, 'T' },
-       { "daemonize", 0, 0, 'd' },
-       { "background", 0, 0, 'b' },
-       { "sig-parent", 0, 0, 'S' },
-       { "help", 0, 0, 'h' },
-       { "group", 1, 0, 'g' },
-       { "version", 0, 0, 'V' },
-       { "quiet", 0, 0, 'q' },
-       { "verbose", 0, 0, 'v' },
-       { "verbose-consumer", 0, 0, 'Z' },
-       { "no-kernel", 0, 0, 'N' },
-       { "pidfile", 1, 0, 'p' },
-       { "agent-tcp-port", 1, 0, 'J' },
-       { "config", 1, 0, 'f' },
-       { "load", 1, 0, 'l' },
-       { "kmod-probes", 1, 0, 'P' },
-       { "extra-kmod-probes", 1, 0, 'e' },
+       { "client-sock", required_argument, 0, 'c' },
+       { "apps-sock", required_argument, 0, 'a' },
+       { "kconsumerd-cmd-sock", required_argument, 0, '\0' },
+       { "kconsumerd-err-sock", required_argument, 0, '\0' },
+       { "ustconsumerd32-cmd-sock", required_argument, 0, '\0' },
+       { "ustconsumerd32-err-sock", required_argument, 0, '\0' },
+       { "ustconsumerd64-cmd-sock", required_argument, 0, '\0' },
+       { "ustconsumerd64-err-sock", required_argument, 0, '\0' },
+       { "consumerd32-path", required_argument, 0, '\0' },
+       { "consumerd32-libdir", required_argument, 0, '\0' },
+       { "consumerd64-path", required_argument, 0, '\0' },
+       { "consumerd64-libdir", required_argument, 0, '\0' },
+       { "daemonize", no_argument, 0, 'd' },
+       { "background", no_argument, 0, 'b' },
+       { "sig-parent", no_argument, 0, 'S' },
+       { "help", no_argument, 0, 'h' },
+       { "group", required_argument, 0, 'g' },
+       { "version", no_argument, 0, 'V' },
+       { "quiet", no_argument, 0, 'q' },
+       { "verbose", no_argument, 0, 'v' },
+       { "verbose-consumer", no_argument, 0, '\0' },
+       { "no-kernel", no_argument, 0, '\0' },
+       { "pidfile", required_argument, 0, 'p' },
+       { "agent-tcp-port", required_argument, 0, '\0' },
+       { "config", required_argument, 0, 'f' },
+       { "load", required_argument, 0, 'l' },
+       { "kmod-probes", required_argument, 0, '\0' },
+       { "extra-kmod-probes", required_argument, 0, '\0' },
        { NULL, 0, 0, 0 }
 };
 
@@ -676,6 +676,9 @@ static void sessiond_cleanup(void)
                }
        }
 
+       DBG("Cleaning up all agent apps");
+       agent_app_ht_clean();
+
        DBG("Closing all UST sockets");
        ust_app_clean_list();
        buffer_reg_destroy_registries();
@@ -2960,6 +2963,7 @@ static int process_client_msg(struct command_ctx *cmd_ctx, int sock,
        case LTTNG_LIST_CHANNELS:
        case LTTNG_LIST_EVENTS:
        case LTTNG_LIST_SYSCALLS:
+       case LTTNG_LIST_TRACKER_PIDS:
                break;
        default:
                /* Setup lttng message with no payload */
@@ -3495,6 +3499,38 @@ skip_domain:
                ret = LTTNG_OK;
                break;
        }
+       case LTTNG_LIST_TRACKER_PIDS:
+       {
+               int32_t *pids = NULL;
+               ssize_t nr_pids;
+
+               nr_pids = cmd_list_tracker_pids(cmd_ctx->session,
+                               cmd_ctx->lsm->domain.type, &pids);
+               if (nr_pids < 0) {
+                       /* Return value is a negative lttng_error_code. */
+                       ret = -nr_pids;
+                       goto error;
+               }
+
+               /*
+                * Setup lttng message with payload size set to the event list size in
+                * bytes and then copy list into the llm payload.
+                */
+               ret = setup_lttng_msg(cmd_ctx, sizeof(int32_t) * nr_pids);
+               if (ret < 0) {
+                       free(pids);
+                       goto setup_error;
+               }
+
+               /* Copy event list into message payload */
+               memcpy(cmd_ctx->llm->payload, pids,
+                               sizeof(int) * nr_pids);
+
+               free(pids);
+
+               ret = LTTNG_OK;
+               break;
+       }
        case LTTNG_SET_CONSUMER_URI:
        {
                size_t nb_uri, len;
@@ -5597,13 +5633,17 @@ int main(int argc, char **argv)
         * cleanup() can get called after that point.
         */
        if (ust_app_ht_alloc()) {
+               ERR("Failed to allocate UST app hash table");
                retval = -1;
                goto exit_init_data;
        }
 
-       /* Initialize agent domain subsystem. */
-       if (agent_setup()) {
-               /* ENOMEM at this point. */
+       /*
+        * Initialize agent app hash table. We allocate the hash table here
+        * since cleanup() can get called after this point.
+        */
+       if (agent_app_ht_alloc()) {
+               ERR("Failed to allocate Agent app hash table");
                retval = -1;
                goto exit_init_data;
        }