--- /dev/null
+/*
+ * Copyright (c) 2012-2018, JANET(UK)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of JANET(UK) nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <talloc.h>
+#include <argp.h>
+
+#include <mon_internal.h>
+#include <tr_debug.h>
+
+
+/* command-line option setup */
+static void print_version_info(void)
+{
+ printf("Moonshot TR Monitoring Client %s\n\n", PACKAGE_VERSION);
+}
+
+
+/* argp global parameters */
+const char *argp_program_bug_address=PACKAGE_BUGREPORT; /* bug reporting address */
+
+/* doc strings */
+static const char doc[]=PACKAGE_NAME " - Moonshot TR Monitoring Client";
+static const char arg_doc[]="<server> <port> <command> [<option> ...]"; /* string describing arguments, if any */
+
+/* define the options here. Fields are:
+ * { long-name, short-name, variable name, options, help description } */
+static const struct argp_option cmdline_options[] = {
+ { "version", 'v', NULL, 0, "Print version information and exit" },
+ {NULL}
+};
+
+#define MAX_OPTIONS 20
+/* structure for communicating with option parser */
+struct cmdline_args {
+ char *server;
+ unsigned int port;
+ MON_CMD command;
+ MON_OPT_TYPE options[MAX_OPTIONS];
+ unsigned int n_options;
+};
+
+/* parser for individual options - fills in a struct cmdline_args */
+static error_t parse_option(int key, char *arg, struct argp_state *state)
+{
+ long tmp_l = 0;
+
+ /* get a shorthand to the command line argument structure, part of state */
+ struct cmdline_args *arguments=state->input;
+
+ switch (key) {
+ case 'v':
+ print_version_info();
+ exit(0);
+ break;
+
+ case ARGP_KEY_ARG: /* handle argument (not option) */
+ switch (state->arg_num) {
+ case 0:
+ arguments->server = arg;
+ break;
+
+ case 1:
+ tmp_l = strtol(arg, NULL, 10);
+ if (errno || (tmp_l < 0) || (tmp_l > 65535)) /* max valid port */
+ argp_usage(state);
+
+ arguments->port=(unsigned int) tmp_l;
+ break;
+
+ case 2:
+ arguments->command=mon_cmd_from_string(arg);
+ if (arguments->command == MON_CMD_UNKNOWN) {
+ printf("\nUnknown command '%s'\n", arg);
+ argp_usage(state);
+ }
+ break;
+
+ default:
+ if (arguments->n_options >= MAX_OPTIONS) {
+ printf("\nToo many command options given, limit is %d\n", MAX_OPTIONS);
+ argp_usage(state);
+ }
+
+ arguments->options[arguments->n_options] = mon_opt_type_from_string(arg);
+ if (arguments->options[arguments->n_options] == OPT_TYPE_UNKNOWN) {
+ printf("\nUnknown command option '%s'\n", arg);
+ argp_usage(state);
+ }
+ arguments->n_options++;
+ break;
+ }
+ break;
+
+ case ARGP_KEY_END: /* no more arguments */
+ if (state->arg_num < 3) {
+ /* not enough arguments encountered */
+ argp_usage(state);
+ }
+ break;
+
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+
+ return 0; /* success */
+}
+
+
+/* assemble the argp parser */
+static struct argp argp = {cmdline_options, parse_option, arg_doc, doc};
+
+int main(int argc, char *argv[])
+{
+ TALLOC_CTX *main_ctx=talloc_new(NULL);
+ MONC_INSTANCE *monc = NULL;
+ MON_REQ *req = NULL;
+ MON_RESP *resp = NULL;
+ unsigned int ii;
+
+ struct cmdline_args opts;
+ int retval=1; /* exit with an error status unless this gets set to zero */
+
+ /* parse the command line*/
+ /* set defaults */
+ opts.server = NULL;
+ opts.port = TRP_PORT;
+ opts.command = MON_CMD_UNKNOWN;
+ opts.n_options = 0;
+
+ argp_parse(&argp, argc, argv, 0, 0, &opts);
+
+ /* Use standalone logging */
+ tr_log_open();
+
+ /* set logging levels */
+ talloc_set_log_stderr();
+ tr_log_threshold(LOG_CRIT);
+ tr_console_threshold(LOG_WARNING);
+
+ /* Create a MON client instance & the client DH */
+ monc = monc_new(main_ctx);
+ if (monc == NULL) {
+ printf("Error allocating client instance.\n");
+ goto cleanup;
+ }
+
+
+ /* fill in the DH parameters */
+ monc_set_dh(monc, tr_create_dh_params(NULL, 0));
+ if (monc_get_dh(monc) == NULL) {
+ printf("Error creating client DH params.\n");
+ goto cleanup;
+ }
+
+ /* Set-up MON connection */
+ if (0 != monc_open_connection(monc, opts.server, opts.port)) {
+ /* Handle error */
+ printf("Error opening connection to %s:%d.\n", opts.server, opts.port);
+ goto cleanup;
+ };
+
+ req = mon_req_new(main_ctx, opts.command);
+ for (ii=0; ii < opts.n_options; ii++)
+ mon_req_add_option(req, opts.options[ii]);
+
+ /* Send a MON request and get the response */
+ resp = monc_send_request(main_ctx, monc, req);
+
+ if (resp == NULL) {
+ /* Handle error */
+ printf("Error executing monitoring request.\n");
+ goto cleanup;
+ }
+
+ /* Print the JSON to stdout */
+ json_dumpf(mon_resp_encode(resp), stdout, JSON_INDENT(4));
+ printf("\n");
+
+ /* success */
+ retval = 0;
+
+ /* Clean-up the MON client instance, and exit */
+cleanup:
+ talloc_free(main_ctx);
+ return retval;
+}
+
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