*/
#define _GNU_SOURCE
+#define NO_PLUGIN_VERBOSE_MACRO
#include <stdio.h>
#include <assert.h>
#include <afb/afb-plugin.h>
#include <afb/afb-req-itf.h>
-#include <afb/afb-event-sender-itf.h>
+#include <afb/afb-event-itf.h>
#include "session.h"
#include "afb-common.h"
#include "afb-apis.h"
#include "afb-api-so.h"
#include "afb-sig-handler.h"
+#include "afb-evt.h"
+#include "afb-svc.h"
#include "verbose.h"
+/*
+ * Description of a plugin
+ */
struct api_so_desc {
struct AFB_plugin *plugin; /* descriptor */
- size_t apilength;
+ size_t apilength; /* length of the API name */
void *handle; /* context of dlopen */
- struct AFB_interface interface; /* interface */
+ struct afb_svc *service; /* handler for service started */
+ struct AFB_interface interface; /* interface for the plugin */
+};
+
+struct monitoring {
+ struct afb_req req;
+ void (*action)(struct afb_req);
};
+static const char plugin_register_function_v1[] = "pluginAfbV1Register";
+static const char plugin_service_init_function_v1[] = "pluginAfbV1ServiceInit";
+static const char plugin_service_event_function_v1[] = "pluginAfbV1ServiceEvent";
+
static int api_timeout = 15;
-static const char plugin_register_function[] = "pluginAfbV1Register";
+static struct afb_event afb_api_so_event_make(struct api_so_desc *desc, const char *name);
+static int afb_api_so_event_broadcast(struct api_so_desc *desc, const char *name, struct json_object *object);
+static void afb_api_so_vverbose(struct api_so_desc *desc, int level, const char *file, int line, const char *fmt, va_list args);
-static void afb_api_so_event_sender_push(struct api_so_desc *desc, const char *name, struct json_object *object)
+static const struct afb_daemon_itf daemon_itf = {
+ .event_broadcast = (void*)afb_api_so_event_broadcast,
+ .get_event_loop = (void*)afb_common_get_event_loop,
+ .get_user_bus = (void*)afb_common_get_user_bus,
+ .get_system_bus = (void*)afb_common_get_system_bus,
+ .vverbose = (void*)afb_api_so_vverbose,
+ .event_make = (void*)afb_api_so_event_make
+};
+
+static struct afb_event afb_api_so_event_make(struct api_so_desc *desc, const char *name)
{
size_t length;
char *event;
+ /* makes the event name */
assert(desc->plugin != NULL);
length = strlen(name);
event = alloca(length + 2 + desc->apilength);
memcpy(event, desc->plugin->v1.prefix, desc->apilength);
event[desc->apilength] = '/';
memcpy(event + desc->apilength + 1, name, length + 1);
- ctxClientEventSend(NULL, event, object);
-}
-static const struct afb_event_sender_itf event_sender_itf = {
- .push = (void*)afb_api_so_event_sender_push
-};
+ /* crate the event */
+ return afb_evt_create_event(event);
+}
-static struct afb_event_sender afb_api_so_get_event_sender(struct api_so_desc *desc)
+static int afb_api_so_event_broadcast(struct api_so_desc *desc, const char *name, struct json_object *object)
{
- return (struct afb_event_sender){ .itf = &event_sender_itf, .closure = desc };
+ size_t length;
+ char *event;
+
+ /* makes the event name */
+ assert(desc->plugin != NULL);
+ length = strlen(name);
+ event = alloca(length + 2 + desc->apilength);
+ memcpy(event, desc->plugin->v1.prefix, desc->apilength);
+ event[desc->apilength] = '/';
+ memcpy(event + desc->apilength + 1, name, length + 1);
+
+ return afb_evt_broadcast(event, object);
}
-static const struct afb_daemon_itf daemon_itf = {
- .get_event_sender = (void*)afb_api_so_get_event_sender,
- .get_event_loop = (void*)afb_common_get_event_loop,
- .get_user_bus = (void*)afb_common_get_user_bus,
- .get_system_bus = (void*)afb_common_get_system_bus
-};
+static void afb_api_so_vverbose(struct api_so_desc *desc, int level, const char *file, int line, const char *fmt, va_list args)
+{
+ char *p;
-struct monitoring {
- struct afb_req req;
- void (*action)(struct afb_req);
-};
+ if (vasprintf(&p, fmt, args) < 0)
+ vverbose(level, file, line, fmt, args);
+ else {
+ verbose(level, file, line, "%s {plugin %s}", p, desc->plugin->v1.prefix);
+ free(p);
+ }
+}
static void monitored_call(int signum, struct monitoring *data)
{
{
struct monitoring data;
- int stag = (int)(verb->session & AFB_SESSION_MASK);
+ int stag = (int)verb->session;
- if (stag != AFB_SESSION_NONE) {
+ 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");
}
if ((stag & AFB_SESSION_CREATE) != 0) {
- if (!afb_context_create(context)) {
- afb_context_close(context);
+ if (afb_context_check_loa(context, 1)) {
afb_req_fail(req, "failed", "invalid creation state");
return;
}
+ 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)
+ 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;
+ }
+ }
+
+ 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;
+ }
+ }
data.req = req;
data.action = verb->callback;
afb_req_fail_f(req, "unknown-verb", "verb %.*s unknown within api %s", (int)lenverb, verb, desc->plugin->v1.prefix);
}
+static int service_start(struct api_so_desc *desc, int share_session, int onneed)
+{
+ int (*init)(struct afb_service service);
+ void (*onevent)(const char *event, struct json_object *object);
+
+ /* check state */
+ if (desc->service != NULL) {
+ /* not an error when onneed */
+ if (onneed != 0)
+ return 0;
+
+ /* already started: it is an error */
+ ERROR("Service %s already started", desc->plugin->v1.prefix);
+ return -1;
+ }
+
+ /* get the initialisation */
+ init = dlsym(desc->handle, plugin_service_init_function_v1);
+ if (init == NULL) {
+ /* not an error when onneed */
+ if (onneed != 0)
+ return 0;
+
+ /* no initialisation method */
+ ERROR("Binding %s is not a service", desc->plugin->v1.prefix);
+ return -1;
+ }
+
+ /* get the event handler if any */
+ onevent = dlsym(desc->handle, plugin_service_event_function_v1);
+ desc->service = afb_svc_create(share_session, init, onevent);
+ if (desc->service == NULL) {
+ /* starting error */
+ ERROR("Starting service %s failed", desc->plugin->v1.prefix);
+ return -1;
+ }
+
+ return 0;
+}
+
+void afb_api_so_set_timeout(int to)
+{
+ api_timeout = to;
+}
+
int afb_api_so_add_plugin(const char *path)
{
+ int rc;
+ void *handle;
struct api_so_desc *desc;
struct AFB_plugin *(*pluginAfbV1RegisterFct) (const struct AFB_interface *interface);
- desc = calloc(1, sizeof *desc);
- if (desc == NULL) {
- ERROR("out of memory");
- goto error;
- }
-
// This is a loadable library let's check if it's a plugin
- desc->handle = dlopen(path, RTLD_NOW | RTLD_LOCAL);
- if (desc->handle == NULL) {
+ rc = 0;
+ handle = dlopen(path, RTLD_NOW | RTLD_LOCAL);
+ if (handle == NULL) {
ERROR("plugin [%s] not loadable", path);
- goto error2;
+ goto error;
}
/* retrieves the register function */
- pluginAfbV1RegisterFct = dlsym(desc->handle, plugin_register_function);
+ pluginAfbV1RegisterFct = dlsym(handle, plugin_register_function_v1);
if (!pluginAfbV1RegisterFct) {
ERROR("plugin [%s] is not an AFB plugin", path);
- goto error3;
+ goto error2;
}
INFO("plugin [%s] is a valid AFB plugin", path);
+ rc = -1;
+
+ /* allocates the description */
+ desc = calloc(1, sizeof *desc);
+ if (desc == NULL) {
+ ERROR("out of memory");
+ goto error2;
+ }
+ desc->handle = handle;
/* init the interface */
- desc->interface.verbosity = 0;
+ desc->interface.verbosity = verbosity;
desc->interface.mode = AFB_MODE_LOCAL;
desc->interface.daemon.itf = &daemon_itf;
desc->interface.daemon.closure = desc;
/* init the plugin */
+ NOTICE("plugin [%s] calling registering function %s", path, plugin_register_function_v1);
desc->plugin = pluginAfbV1RegisterFct(&desc->interface);
if (desc->plugin == NULL) {
ERROR("plugin [%s] register function failed. continuing...", path);
desc->apilength = strlen(desc->plugin->v1.prefix);
if (afb_apis_add(desc->plugin->v1.prefix, (struct afb_api){
.closure = desc,
- .call = (void*)call}) < 0) {
+ .call = (void*)call,
+ .service_start = (void*)service_start }) < 0) {
ERROR("plugin [%s] can't be registered...", path);
goto error3;
}
return 0;
error3:
- dlclose(desc->handle);
-error2:
free(desc);
+error2:
+ dlclose(handle);
error:
- return -1;
+ return rc;
}
static int adddirs(char path[PATH_MAX], size_t end)
/* case of files */
if (!strstr(ent.d_name, ".so"))
continue;
- afb_api_so_add_plugin(path);
+ if (afb_api_so_add_plugin(path) < 0)
+ return -1;
}
}
closedir(dir);
p = strsep(&ps, sep);
if (!p)
return 0;
- afb_api_so_add_path(p);
- };
+ if (afb_api_so_add_path(p) < 0)
+ return -1;
+ }
}