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40 #include <mon_internal.h>
44 /* command-line option setup */
45 static void print_version_info(void)
47 printf("Moonshot TR Monitoring Client %s\n\n", PACKAGE_VERSION);
51 /* argp global parameters */
52 const char *argp_program_bug_address=PACKAGE_BUGREPORT; /* bug reporting address */
55 static const char doc[]=PACKAGE_NAME " - Moonshot TR Monitoring Client";
56 static const char arg_doc[]="<server> <port> <command> [<option> ...]"; /* string describing arguments, if any */
58 /* define the options here. Fields are:
59 * { long-name, short-name, variable name, options, help description } */
60 static const struct argp_option cmdline_options[] = {
61 { "version", 'v', NULL, 0, "Print version information and exit" },
65 #define MAX_OPTIONS 20
66 /* structure for communicating with option parser */
71 MON_OPT_TYPE options[MAX_OPTIONS];
72 unsigned int n_options;
75 /* parser for individual options - fills in a struct cmdline_args */
76 static error_t parse_option(int key, char *arg, struct argp_state *state)
80 /* get a shorthand to the command line argument structure, part of state */
81 struct cmdline_args *arguments=state->input;
89 case ARGP_KEY_ARG: /* handle argument (not option) */
90 switch (state->arg_num) {
92 arguments->server = arg;
96 tmp_l = strtol(arg, NULL, 10);
97 if (errno || (tmp_l < 0) || (tmp_l > 65535)) /* max valid port */
100 arguments->port=(unsigned int) tmp_l;
104 arguments->command=mon_cmd_from_string(arg);
105 if (arguments->command == MON_CMD_UNKNOWN) {
106 printf("\nUnknown command '%s'\n", arg);
112 if (arguments->n_options >= MAX_OPTIONS) {
113 printf("\nToo many command options given, limit is %d\n", MAX_OPTIONS);
117 arguments->options[arguments->n_options] = mon_opt_type_from_string(arg);
118 if (arguments->options[arguments->n_options] == OPT_TYPE_UNKNOWN) {
119 printf("\nUnknown command option '%s'\n", arg);
122 arguments->n_options++;
127 case ARGP_KEY_END: /* no more arguments */
128 if (state->arg_num < 3) {
129 /* not enough arguments encountered */
135 return ARGP_ERR_UNKNOWN;
138 return 0; /* success */
142 /* assemble the argp parser */
143 static struct argp argp = {cmdline_options, parse_option, arg_doc, doc};
145 int main(int argc, char *argv[])
147 TALLOC_CTX *main_ctx=talloc_new(NULL);
148 MONC_INSTANCE *monc = NULL;
150 MON_RESP *resp = NULL;
153 struct cmdline_args opts;
154 int retval=1; /* exit with an error status unless this gets set to zero */
156 /* parse the command line*/
159 opts.port = TRP_PORT;
160 opts.command = MON_CMD_UNKNOWN;
163 argp_parse(&argp, argc, argv, 0, 0, &opts);
165 /* Use standalone logging */
168 /* set logging levels */
169 talloc_set_log_stderr();
170 tr_log_threshold(LOG_CRIT);
171 tr_console_threshold(LOG_WARNING);
173 /* Create a MON client instance & the client DH */
174 monc = monc_new(main_ctx);
176 printf("Error allocating client instance.\n");
181 /* fill in the DH parameters */
182 monc_set_dh(monc, tr_create_dh_params(NULL, 0));
183 if (monc_get_dh(monc) == NULL) {
184 printf("Error creating client DH params.\n");
188 /* Set-up MON connection */
189 if (0 != monc_open_connection(monc, opts.server, opts.port)) {
191 printf("Error opening connection to %s:%d.\n", opts.server, opts.port);
195 req = mon_req_new(main_ctx, opts.command);
196 for (ii=0; ii < opts.n_options; ii++)
197 mon_req_add_option(req, opts.options[ii]);
199 /* Send a MON request and get the response */
200 resp = monc_send_request(main_ctx, monc, req);
204 printf("Error executing monitoring request.\n");
208 /* Print the JSON to stdout */
209 json_dumpf(mon_resp_encode(resp), stdout, JSON_INDENT(4));
215 /* Clean-up the MON client instance, and exit */
217 talloc_free(main_ctx);