/*
- * Copyright (C) 2015-2018 "IoT.bzh"
+ * Copyright (C) 2015-2019 "IoT.bzh"
* Author "Fulup Ar Foll"
* Author José Bollo <jose.bollo@iot.bzh>
*
#include "afb-ws-client.h"
#include "afb-proto-ws.h"
+enum {
+ Exit_Success = 0,
+ Exit_Error = 1,
+ Exit_HangUp = 2,
+ Exit_Input_Fail = 3,
+ Exit_Bad_Arg = 4,
+ Exit_Cant_Connect = 5
+};
+
+
/* declaration of functions */
static void on_wsj1_hangup(void *closure, struct afb_wsj1 *wsj1);
static void on_wsj1_call(void *closure, const char *api, const char *verb, struct afb_wsj1_msg *msg);
static sd_event *loop;
static sd_event_source *evsrc;
static char *sessionid = "afb-client-demo";
+static int exitcode = 0;
/* print usage of the program */
static void usage(int status, char *arg0)
" --help, -h Display this help\n"
" --human, -H Display human readable JSON\n"
" --raw, -r Raw output (default)\n"
- " --sync, -s Synchronous: wait for answers\n"
+ " --sync, -s Synchronous: wait for answers (like -p 1)\n"
" --keep-running, -k Keep running until disconnect, even if input closed\n"
+ " --pipe, -p COUNT Allow to pipe COUNT requests\n"
"Example:\n"
" %s --human 'localhost:1234/api?token=HELLO&uuid=magic' hello ping\n"
"\n", name
int main(int ac, char **av, char **env)
{
int rc;
- char *a0;
+ char *a0, *an;
/* get the program name */
a0 = av[0];
/* check options */
- while (ac > 1 && av[1][0] == '-') {
- if (av[1][1] == '-') {
+ while (ac > 1 && (an = av[1])[0] == '-') {
+ if (an[1] == '-') {
/* long option */
- if (!strcmp(av[1], "--human")) /* request for human output */
+ if (!strcmp(an, "--human")) /* request for human output */
human = 1;
- else if (!strcmp(av[1], "--raw")) /* request for raw output */
+ else if (!strcmp(an, "--raw")) /* request for raw output */
raw = 1;
- else if (!strcmp(av[1], "--direct")) /* request for direct api */
+ else if (!strcmp(an, "--direct")) /* request for direct api */
direct = 1;
- else if (!strcmp(av[1], "--break")) /* request to break connection */
+ else if (!strcmp(an, "--break")) /* request to break connection */
breakcon = 1;
- else if (!strcmp(av[1], "--keep-running")) /* request to break connection */
+ else if (!strcmp(an, "--keep-running")) /* request to break connection */
keeprun = 1;
- else if (!strcmp(av[1], "--sync")) /* request to break connection */
+ else if (!strcmp(an, "--sync")) /* request to break connection */
synchro = 1;
- else if (!strcmp(av[1], "--echo")) /* request to echo inputs */
+ else if (!strcmp(an, "--echo")) /* request to echo inputs */
echo = 1;
+ else if (!strcmp(an, "--pipe") && av[2] && atoi(av[2]) > 0) {
+ synchro = atoi(av[2]);
+ av++;
+ ac--;
+ }
+
/* emit usage and exit */
else
- usage(!!strcmp(av[1], "--help"), a0);
+ usage(strcmp(an, "--help") ? Exit_Bad_Arg : Exit_Success, a0);
} else {
/* short option(s) */
- for (rc = 1 ; av[1][rc] ; rc++)
- switch (av[1][rc]) {
+ for (rc = 1 ; an[rc] ; rc++)
+ switch (an[rc]) {
case 'H': human = 1; break;
case 'r': raw = 1; break;
case 'd': direct = 1; break;
case 'k': keeprun = 1; break;
case 's': synchro = 1; break;
case 'e': echo = 1; break;
- default: usage(av[1][rc] != 'h', a0);
+ case 'p': if (av[2] && atoi(av[2]) > 0) { synchro = atoi(av[2]); av++; ac--; break; } /*@fallthrough@*/
+ default: usage(an[rc] != 'h' ? Exit_Bad_Arg : Exit_Success, a0);
}
}
av++;
pws = afb_ws_client_connect_api(loop, av[1], &pws_itf, NULL);
if (pws == NULL) {
fprintf(stderr, "connection to %s failed: %m\n", av[1]);
- return 1;
+ return Exit_Cant_Connect;
}
afb_proto_ws_on_hangup(pws, on_pws_hangup);
} else {
wsj1 = afb_ws_client_connect_wsj1(loop, av[1], &wsj1_itf, NULL);
if (wsj1 == NULL) {
fprintf(stderr, "connection to %s failed: %m\n", av[1]);
- return 1;
+ return Exit_Cant_Connect;
}
}
for(;;) {
if (!usein) {
if (!keeprun && !callcount)
- exit(0);
+ exit(exitcode);
sd_event_run(loop, 30000000);
}
- else if (!synchro || !callcount) {
+ else if (!synchro || callcount < synchro) {
if (!process_stdin() && usein)
sd_event_run(loop, 100000);
} else {
{
callcount--;
if (exonrep && !callcount)
- exit(0);
+ exit(exitcode);
}
/* called when wsj1 hangsup */
{
printf("ON-HANGUP\n");
fflush(stdout);
- exit(0);
+ exit(Exit_HangUp);
}
/* called when wsj1 receives a method invocation */
/* called when wsj1 receives a reply */
static void on_wsj1_reply(void *closure, struct afb_wsj1_msg *msg)
{
+ int iserror = !afb_wsj1_msg_is_reply_ok(msg);
+ exitcode = iserror ? Exit_Error : Exit_Success;
if (raw)
printf("%s\n", afb_wsj1_msg_object_s(msg));
if (human)
printf("ON-REPLY %s: %s\n%s\n", (char*)closure,
- afb_wsj1_msg_is_reply_ok(msg) ? "OK" : "ERROR",
+ iserror ? "ERROR" : "OK",
json_object_to_json_string_ext(afb_wsj1_msg_object_j(msg),
JSON_C_TO_STRING_PRETTY|JSON_C_TO_STRING_NOSLASHESCAPE));
fflush(stdout);
if (errno == EAGAIN)
return 0;
fprintf(stderr, "read error: %m\n");
- exit(1);
+ exit(Exit_Input_Fail);
}
if (rc == 0) {
usein = count != 0;
if (!usein && !keeprun) {
if (!callcount)
- exit(0);
+ exit(exitcode);
exonrep = 1;
}
}
count += (size_t)rc;
- if (synchro && callcount)
+ if (synchro && callcount >= synchro)
return 0;
/* normalise the buffer content */
count -= pos;
if (count == sizeof line) {
fprintf(stderr, "overflow\n");
- exit(1);
+ exit(Exit_Input_Fail);
}
if (count)
memmove(line, line + pos, count);
static void on_pws_reply(void *closure, void *request, struct json_object *result, const char *error, const char *info)
{
+ int iserror = !!error;
+ exitcode = iserror ? Exit_Error : Exit_Success;
error = error ?: "success";
if (raw) {
/* TODO: transitionnal: fake the structured response */
char *key;
int rc;
struct json_object *o;
+ enum json_tokener_error jerr;
/* allocates an id for the request */
rc = asprintf(&key, "%d:%s", ++num, verb);
/* send the request */
callcount++;
- if (object == NULL || object[0] == 0 || !strcmp(object, "null"))
+ if (object == NULL || object[0] == 0)
o = NULL;
else {
- o = json_tokener_parse(object);
- if (!o)
+ o = json_tokener_parse_verbose(object, &jerr);
+ if (jerr != json_tokener_success)
o = json_object_new_string(object);
}
rc = afb_proto_ws_client_call(pws, verb, o, sessionid, key, NULL);
{
printf("ON-HANGUP\n");
fflush(stdout);
- exit(0);
+ exit(Exit_HangUp);
}