From d597a7dd81bbb83a0442345c547b3317839994cf Mon Sep 17 00:00:00 2001 From: José Bollo Date: Fri, 21 Apr 2017 19:02:41 +0200 Subject: afb-api: add a 'describe' function MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit this is intended for introspection Change-Id: I2518893c8cb04295159c3646f1286ffd30f739e0 Signed-off-by: José Bollo --- src/afb-api-so-v1.c | 48 +++++++++++++++++++++++++++++++++++++++++++++++- src/afb-api.h | 2 ++ 2 files changed, 49 insertions(+), 1 deletion(-) diff --git a/src/afb-api-so-v1.c b/src/afb-api-so-v1.c index 5292cfe6..7bb2c328 100644 --- a/src/afb-api-so-v1.c +++ b/src/afb-api-so-v1.c @@ -22,6 +22,8 @@ #include #include +#include + #include #include "afb-api.h" @@ -135,12 +137,56 @@ static void set_verbosity_cb(void *closure, int level) desc->ditf.interface.verbosity = level; } +struct json_object *describe_cb(void *closure) +{ + struct api_so_v1 *desc = closure; + const struct afb_verb_desc_v1 *verb; + struct json_object *r, *v, *f, *a; + + r = json_object_new_object(); + json_object_object_add(r, "version", json_object_new_int(1)); + json_object_object_add(r, "info", json_object_new_string(desc->binding->v1.info)); + v = json_object_new_object(); + json_object_object_add(r, "verbs", v); + verb = desc->binding->v1.verbs; + while (verb->name) { + f = json_object_new_object(); + a = json_object_new_array(); + json_object_object_add(f, "name", json_object_new_string(verb->name)); + json_object_object_add(f, "info", json_object_new_string(verb->info)); + if (verb->session & AFB_SESSION_CREATE) + json_object_array_add(a, json_object_new_string("session-create")); + if (verb->session & AFB_SESSION_CLOSE) + json_object_array_add(a, json_object_new_string("session-close")); + if (verb->session & AFB_SESSION_RENEW) + json_object_array_add(a, json_object_new_string("session-renew")); + if (verb->session & AFB_SESSION_CHECK) + json_object_array_add(a, json_object_new_string("session-check")); + if (verb->session & AFB_SESSION_LOA_EQ) { + const char *rel; + char buffer[80]; + switch (verb->session & AFB_SESSION_LOA_EQ) { + case AFB_SESSION_LOA_GE: rel = ">="; break; + case AFB_SESSION_LOA_LE: rel = "<="; break; + case AFB_SESSION_LOA_EQ: rel = "=="; break; + } + snprintf(buffer, sizeof buffer, "LOA%s%d", rel, (int)((verb->session >> AFB_SESSION_LOA_SHIFT) & AFB_SESSION_LOA_MASK)); + json_object_array_add(a, json_object_new_string(buffer)); + } + json_object_object_add(f, "flags", a); + json_object_object_add(v, verb->name, f); + verb++; + } + return r; +} + static struct afb_api_itf so_v1_api_itf = { .call = call_cb, .service_start = service_start_cb, .update_hooks = update_hooks_cb, .get_verbosity = get_verbosity_cb, - .set_verbosity = set_verbosity_cb + .set_verbosity = set_verbosity_cb, + .describe = describe_cb }; int afb_api_so_v1_add(const char *path, void *handle, struct afb_apiset *apiset) diff --git a/src/afb-api.h b/src/afb-api.h index 6dfbf020..c8cb2d65 100644 --- a/src/afb-api.h +++ b/src/afb-api.h @@ -19,6 +19,7 @@ struct afb_xreq; struct afb_apiset; +struct json_object; struct afb_api_itf { @@ -27,6 +28,7 @@ struct afb_api_itf void (*update_hooks)(void *closure); int (*get_verbosity)(void *closure); void (*set_verbosity)(void *closure, int level); + struct json_object *(*describe)(void *closure); }; struct afb_api -- cgit 1.2.3-korg