X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fafb-api-so-v2.c;h=11cd56f7a5b9462a001111f8a0d7a968023bfa45;hb=1a64df64ca126fb1e0dbe08c432d3c015d4ac458;hp=0c8079c4526a484fa63a2b32856d955a3364cef1;hpb=c9ba2ce49808a19a4ef982280a46256797b830ae;p=src%2Fapp-framework-binder.git diff --git a/src/afb-api-so-v2.c b/src/afb-api-so-v2.c index 0c8079c4..11cd56f7 100644 --- a/src/afb-api-so-v2.c +++ b/src/afb-api-so-v2.c @@ -16,180 +16,68 @@ */ #define _GNU_SOURCE -#define NO_BINDING_VERBOSE_MACRO +#define AFB_BINDING_PRAGMA_NO_VERBOSE_MACRO #include #include #include #include +#include -#include "afb-apis.h" +#include "afb-api.h" +#include "afb-api-so-v2.h" +#include "afb-apiset.h" #include "afb-svc.h" +#include "afb-ditf.h" #include "afb-evt.h" #include "afb-common.h" #include "afb-context.h" #include "afb-api-so.h" -#include "afb-thread.h" +#include "afb-xreq.h" #include "verbose.h" /* * names of symbols */ static const char afb_api_so_v2_descriptor[] = "afbBindingV2"; +static const char afb_api_so_v2_verbosity[] = "afbBindingV2verbosity"; /* * Description of a binding */ struct api_so_v2 { - struct afb_binding_v2 *binding; /* descriptor */ - size_t apilength; /* length of the API name */ + const struct afb_binding_v2 *binding; /* descriptor */ + int *verbosity; /* verbosity */ void *handle; /* context of dlopen */ struct afb_svc *service; /* handler for service started */ - struct afb_binding_interface interface; /* interface for the binding */ + struct afb_ditf ditf; /* daemon interface */ }; -static struct afb_event afb_api_so_event_make_cb(void *closure, const char *name); -static int afb_api_so_event_broadcast_cb(void *closure, const char *name, struct json_object *object); -static void afb_api_so_vverbose_cb(void *closure, int level, const char *file, int line, const char *fmt, va_list args); -static int afb_api_so_rootdir_get_fd(void *closure); -static int afb_api_so_rootdir_open_locale(void *closure, const char *filename, int flags, const char *locale); - -static const struct afb_daemon_itf daemon_itf = { - .event_broadcast = afb_api_so_event_broadcast_cb, - .get_event_loop = afb_common_get_event_loop, - .get_user_bus = afb_common_get_user_bus, - .get_system_bus = afb_common_get_system_bus, - .vverbose = afb_api_so_vverbose_cb, - .event_make = afb_api_so_event_make_cb, - .rootdir_get_fd = afb_api_so_rootdir_get_fd, - .rootdir_open_locale = afb_api_so_rootdir_open_locale -}; - -static struct afb_event afb_api_so_event_make_cb(void *closure, const char *name) -{ - size_t length; - char *event; - struct api_so_v2 *desc = closure; - - /* makes the event name */ - assert(desc->binding != NULL); - length = strlen(name); - event = alloca(length + 2 + desc->apilength); - memcpy(event, desc->binding->api, desc->apilength); - event[desc->apilength] = '/'; - memcpy(event + desc->apilength + 1, name, length + 1); - - /* crate the event */ - return afb_evt_create_event(event); -} - -static int afb_api_so_event_broadcast_cb(void *closure, const char *name, struct json_object *object) +static const struct afb_verb_v2 *search(struct api_so_v2 *desc, const char *name) { - size_t length; - char *event; - struct api_so_v2 *desc = closure; - - /* makes the event name */ - assert(desc->binding != NULL); - length = strlen(name); - event = alloca(length + 2 + desc->apilength); - memcpy(event, desc->binding->api, desc->apilength); - event[desc->apilength] = '/'; - memcpy(event + desc->apilength + 1, name, length + 1); + const struct afb_verb_v2 *verb; - return afb_evt_broadcast(event, object); + verb = desc->binding->verbs; + while (verb->verb && strcasecmp(verb->verb, name)) + verb++; + return verb->verb ? verb : NULL; + return NULL; } -static void afb_api_so_vverbose_cb(void *closure, int level, const char *file, int line, const char *fmt, va_list args) +static void call_cb(void *closure, struct afb_xreq *xreq) { - char *p; struct api_so_v2 *desc = closure; - - if (vasprintf(&p, fmt, args) < 0) - vverbose(level, file, line, fmt, args); - else { - verbose(level, file, line, "%s {binding %s}", p, desc->binding->api); - free(p); - } -} - -static int afb_api_so_rootdir_get_fd(void *closure) -{ - return afb_common_rootdir_get_fd(); -} - -static int afb_api_so_rootdir_open_locale(void *closure, const char *filename, int flags, const char *locale) -{ - return afb_common_rootdir_open_locale(filename, flags, locale); -} - -static int call_check(struct afb_req req, struct afb_context *context, const struct afb_verb_v2 *verb) -{ - int stag = (int)verb->session; - - if ((stag & (AFB_SESSION_CREATE|AFB_SESSION_CLOSE|AFB_SESSION_RENEW|AFB_SESSION_CHECK|AFB_SESSION_LOA_EQ)) != 0) { - if (!afb_context_check(context)) { - afb_context_close(context); - afb_req_fail(req, "failed", "invalid token's identity"); - return 0; - } - } - - if ((stag & AFB_SESSION_CREATE) != 0) { - if (afb_context_check_loa(context, 1)) { - afb_req_fail(req, "failed", "invalid creation state"); - return 0; - } - afb_context_change_loa(context, 1); - afb_context_refresh(context); - } - - if ((stag & (AFB_SESSION_CREATE | AFB_SESSION_RENEW)) != 0) - afb_context_refresh(context); - - if ((stag & AFB_SESSION_CLOSE) != 0) { - afb_context_change_loa(context, 0); - afb_context_close(context); - } - - if ((stag & AFB_SESSION_LOA_GE) != 0) { - int loa = (stag >> AFB_SESSION_LOA_SHIFT) & AFB_SESSION_LOA_MASK; - if (!afb_context_check_loa(context, loa)) { - afb_req_fail(req, "failed", "invalid LOA"); - return 0; - } - } - - if ((stag & AFB_SESSION_LOA_LE) != 0) { - int loa = (stag >> AFB_SESSION_LOA_SHIFT) & AFB_SESSION_LOA_MASK; - if (afb_context_check_loa(context, loa + 1)) { - afb_req_fail(req, "failed", "invalid LOA"); - return 0; - } - } - return 1; -} - -static void call_cb(void *closure, struct afb_req req, struct afb_context *context, const char *strverb) -{ const struct afb_verb_v2 *verb; - struct api_so_v2 *desc = closure; - verb = desc->binding->verbs; - while (verb->verb && strcasecmp(verb->verb, strverb)) - verb++; - if (!verb->verb) - afb_req_fail_f(req, "unknown-verb", "verb %s unknown within api %s", strverb, desc->binding->api); - else if (call_check(req, context, verb)) { - afb_thread_req_call(req, verb->callback, afb_api_so_timeout, desc); - } + verb = search(desc, xreq->verb); + afb_xreq_call_verb_v2(xreq, verb); } -static int service_start_cb(void *closure, int share_session, int onneed) +static int service_start_cb(void *closure, int share_session, int onneed, struct afb_apiset *apiset) { - int (*start)(const struct afb_binding_interface *interface, struct afb_service service); - void (*onevent)(const char *event, struct json_object *object); + int (*start)(struct afb_service service); + void (*onevent)(struct afb_service service, const char *event, struct json_object *object); struct api_so_v2 *desc = closure; @@ -218,7 +106,7 @@ static int service_start_cb(void *closure, int share_session, int onneed) /* get the event handler if any */ onevent = desc->binding->onevent; - desc->service = afb_svc_create_v2(share_session, onevent, start, &desc->interface); + desc->service = afb_svc_create_v2(apiset, share_session, start, onevent, &desc->ditf); if (desc->service == NULL) { /* starting error */ ERROR("Starting service %s failed", desc->binding->api); @@ -228,74 +116,84 @@ static int service_start_cb(void *closure, int share_session, int onneed) return 0; } -int afb_api_so_v2_add(const char *path, void *handle) +static void update_hooks_cb(void *closure) { - int rc; - struct api_so_v2 *desc; - struct afb_binding_v2 *binding; + struct api_so_v2 *desc = closure; + afb_ditf_update_hook(&desc->ditf); +} - /* retrieves the register function */ - binding = dlsym(handle, afb_api_so_v2_descriptor); - if (!binding) - return 0; +static int get_verbosity_cb(void *closure) +{ + struct api_so_v2 *desc = closure; + return *desc->verbosity; +} - INFO("binding [%s] looks like an AFB binding V2", path); +static void set_verbosity_cb(void *closure, int level) +{ + struct api_so_v2 *desc = closure; + *desc->verbosity = level; +} + +static struct json_object *describe_cb(void *closure) +{ + struct api_so_v2 *desc = closure; + return desc->binding->specification ? json_tokener_parse(desc->binding->specification) : NULL; +} + +static struct afb_api_itf so_v2_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, + .describe = describe_cb + +}; + +int afb_api_so_v2_add_binding(const struct afb_binding_v2 *binding, void *handle, struct afb_apiset *apiset, int *pver) +{ + int rc; + struct api_so_v2 *desc; + struct afb_api afb_api; /* basic checks */ - if (binding->api == NULL || *binding->api == 0) { - ERROR("binding [%s] bad api name...", path); - goto error; - } - if (!afb_apis_is_valid_api_name(binding->api)) { - ERROR("binding [%s] invalid api name...", path); - goto error; - } - if (binding->specification == NULL || *binding->specification == 0) { - ERROR("binding [%s] bad specification...", path); - goto error; - } - if (binding->verbs == NULL) { - ERROR("binding [%s] no verbs...", path); - goto error; - } + assert(binding->api); + assert(binding->specification); + assert(binding->verbs); /* allocates the description */ - desc = calloc(1, sizeof *desc); + desc = malloc(sizeof *desc); if (desc == NULL) { ERROR("out of memory"); goto error; } desc->binding = binding; + desc->verbosity = pver; desc->handle = handle; + desc->service = NULL; + memset(&desc->ditf, 0, sizeof desc->ditf); /* init the interface */ - desc->interface.verbosity = verbosity; - desc->interface.mode = AFB_MODE_LOCAL; - desc->interface.daemon.itf = &daemon_itf; - desc->interface.daemon.closure = desc; - - /* for log purpose, a fake binding is needed here */ + afb_ditf_init_v2(&desc->ditf, binding->api); /* init the binding */ if (binding->init) { - NOTICE("binding %s [%s] calling init function", binding->api, path); - rc = binding->init(&desc->interface); + INFO("binding %s calling init function", binding->api); + rc = binding->init(desc->ditf.daemon); if (rc < 0) { - ERROR("binding %s [%s] initialisation function failed...", binding->api, path); + ERROR("binding %s initialisation function failed...", binding->api); goto error2; } } /* records the binding */ - desc->apilength = strlen(binding->api); - if (afb_apis_add(binding->api, (struct afb_api){ - .closure = desc, - .call = call_cb, - .service_start = service_start_cb }) < 0) { - ERROR("binding [%s] can't be registered...", path); + afb_api.closure = desc; + afb_api.itf = &so_v2_api_itf; + if (afb_apiset_add(apiset, binding->api, afb_api) < 0) { + ERROR("binding %s can't be registered to set %s...", binding->api, afb_apiset_name(apiset)); goto error2; } - NOTICE("binding %s loaded with API prefix %s", path, binding->api); + INFO("binding %s added to set %s", binding->api, afb_apiset_name(apiset)); return 1; error2: @@ -304,3 +202,44 @@ error: return -1; } +int afb_api_so_v2_add(const char *path, void *handle, struct afb_apiset *apiset) +{ + const struct afb_binding_v2 *binding; + int *pver; + + /* retrieves the register function */ + binding = dlsym(handle, afb_api_so_v2_descriptor); + pver = dlsym(handle, afb_api_so_v2_verbosity); + if (!binding && !pver) + return 0; + + INFO("binding [%s] looks like an AFB binding V2", path); + + /* basic checks */ + if (!binding || !pver) { + ERROR("binding [%s] incomplete symbols...", path); + goto error; + } + if (binding->api == NULL || *binding->api == 0) { + ERROR("binding [%s] bad api name...", path); + goto error; + } + if (!afb_api_is_valid_name(binding->api)) { + ERROR("binding [%s] invalid api name...", path); + goto error; + } + if (binding->specification == NULL || *binding->specification == 0) { + ERROR("binding [%s] bad specification...", path); + goto error; + } + if (binding->verbs == NULL) { + ERROR("binding [%s] no verbs...", path); + goto error; + } + + return afb_api_so_v2_add_binding(binding, handle, apiset, pver); + + error: + return -1; +} +