diff options
author | 2018-07-26 15:55:09 +0200 | |
---|---|---|
committer | 2018-07-26 16:10:10 +0200 | |
commit | 61b54ddf86a2afd583c3d4b082365eff759b8f17 (patch) | |
tree | 0dd542e3281ee3e06d36188e98862dd6f3810542 /src | |
parent | 635772bd8cf7ad5c4f4caff441e2809e7b8de16a (diff) |
main-afb-client-demo: Exit with a significant code
The program afb-client-demo now exits whith one of the
following code:
0 - everything went well, no error
1 - last received answer was an error
2 - the remote hung up the connection
3 - stdin either has too long line (16384) or has error
4 - bad argument of the command line
5 - cant connect to remote
Bug-AGL: SPEC-1619
Change-Id: Ia979c9ddcdae496ce205882b895cd9742f93f365
Signed-off-by: José Bollo <jose.bollo@iot.bzh>
Diffstat (limited to 'src')
-rw-r--r-- | src/main-afb-client-demo.c | 39 |
1 files changed, 27 insertions, 12 deletions
diff --git a/src/main-afb-client-demo.c b/src/main-afb-client-demo.c index 54b6c9e8..47171c20 100644 --- a/src/main-afb-client-demo.c +++ b/src/main-afb-client-demo.c @@ -38,6 +38,16 @@ #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); @@ -93,6 +103,7 @@ static int usein; 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) @@ -156,7 +167,7 @@ int main(int ac, char **av, char **env) /* emit usage and exit */ else - usage(!!strcmp(av[1], "--help"), a0); + usage(strcmp(av[1], "--help") ? Exit_Bad_Arg : Exit_Success, a0); } else { /* short option(s) */ for (rc = 1 ; av[1][rc] ; rc++) @@ -168,7 +179,7 @@ int main(int ac, char **av, char **env) case 'k': keeprun = 1; break; case 's': synchro = 1; break; case 'e': echo = 1; break; - default: usage(av[1][rc] != 'h', a0); + default: usage(av[1][rc] != 'h' ? Exit_Bad_Arg : Exit_Success, a0); } } av++; @@ -195,14 +206,14 @@ int main(int ac, char **av, char **env) 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; } } @@ -233,7 +244,7 @@ static void idle() for(;;) { if (!usein) { if (!keeprun && !callcount) - exit(0); + exit(exitcode); sd_event_run(loop, 30000000); } else if (!synchro || !callcount) { @@ -250,7 +261,7 @@ static void dec_callcount() { callcount--; if (exonrep && !callcount) - exit(0); + exit(exitcode); } /* called when wsj1 hangsup */ @@ -258,7 +269,7 @@ static void on_wsj1_hangup(void *closure, struct afb_wsj1 *wsj1) { printf("ON-HANGUP\n"); fflush(stdout); - exit(0); + exit(Exit_HangUp); } /* called when wsj1 receives a method invocation */ @@ -292,11 +303,13 @@ static void on_wsj1_event(void *closure, const char *event, struct afb_wsj1_msg /* 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); @@ -377,13 +390,13 @@ static int process_stdin() 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; } } @@ -431,7 +444,7 @@ static int process_stdin() count -= pos; if (count == sizeof line) { fprintf(stderr, "overflow\n"); - exit(1); + exit(Exit_Input_Fail); } if (count) memmove(line, line + pos, count); @@ -452,6 +465,8 @@ static int on_stdin(sd_event_source *src, int fd, uint32_t revents, void *closur 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 */ @@ -555,5 +570,5 @@ static void on_pws_hangup(void *closure) { printf("ON-HANGUP\n"); fflush(stdout); - exit(0); + exit(Exit_HangUp); } |