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-rw-r--r--src/irmd/registry.c504
1 files changed, 164 insertions, 340 deletions
diff --git a/src/irmd/registry.c b/src/irmd/registry.c
index 687ff30d..f57d833a 100644
--- a/src/irmd/registry.c
+++ b/src/irmd/registry.c
@@ -21,6 +21,7 @@
*/
#include "registry.h"
+#include "utils.h"
#define OUROBOROS_PREFIX "registry"
@@ -32,18 +33,8 @@
#include <stdbool.h>
#include <string.h>
#include <signal.h>
-
-#define reg_entry_has_auto_binding(e) (reg_entry_get_auto_info(e) != NULL)
-#define reg_entry_has_api(e, api) (reg_entry_get_reg_api(e, api) != NULL)
-#define reg_entry_has_binding(e, name) (reg_entry_get_binding(e, name) != NULL)
-
-
-struct reg_binding {
- struct list_head next;
- char * apn;
- uint32_t flags;
- char ** argv;
-};
+#include <unistd.h>
+#include <limits.h>
struct reg_dif {
struct list_head next;
@@ -51,39 +42,6 @@ struct reg_dif {
enum ipcp_type type;
};
-static struct reg_binding * reg_binding_create(char * apn,
- uint32_t flags,
- char ** argv)
-{
- struct reg_binding * b = malloc(sizeof(*b));
- if (b == NULL)
- return NULL;
-
- INIT_LIST_HEAD(&b->next);
-
- b->apn = apn;
- b->flags = flags;
- b->argv = argv;
-
- return b;
-}
-
-static void reg_binding_destroy(struct reg_binding * b)
-{
- if (b == NULL)
- return;
-
- if (b->argv != NULL) {
- char ** t = b->argv;
- while (*t != NULL)
- free(*t++);
- free(b->argv);
- }
-
- free(b->apn);
- free(b);
-}
-
static struct reg_entry * reg_entry_create()
{
struct reg_entry * e = malloc(sizeof(*e));
@@ -107,7 +65,7 @@ static struct reg_entry * reg_entry_init(struct reg_entry * e,
INIT_LIST_HEAD(&e->next);
INIT_LIST_HEAD(&e->difs);
- INIT_LIST_HEAD(&e->bindings);
+ INIT_LIST_HEAD(&e->reg_apns);
INIT_LIST_HEAD(&e->reg_apis);
e->name = name;
@@ -125,8 +83,8 @@ static struct reg_entry * reg_entry_init(struct reg_entry * e,
static void reg_entry_destroy(struct reg_entry * e)
{
- struct list_head * pos = NULL;
- struct list_head * n = NULL;
+ struct list_head * p = NULL;
+ struct list_head * h = NULL;
if (e == NULL)
return;
@@ -144,20 +102,22 @@ static void reg_entry_destroy(struct reg_entry * e)
if (e->name != NULL)
free(e->name);
- list_for_each_safe(pos, n, &e->reg_apis) {
- struct reg_api * i = list_entry(pos, struct reg_api, next);
- reg_api_destroy(i);
+ list_for_each_safe(p, h, &e->reg_apis) {
+ struct pid_el * i = list_entry(p, struct pid_el, next);
+ list_del(&i->next);
+ free(i);
}
- list_for_each_safe(pos, n, &e->bindings) {
- struct reg_binding * b =
- list_entry(pos, struct reg_binding, next);
- reg_binding_destroy(b);
+ list_for_each_safe(p, h, &e->reg_apns) {
+ struct str_el * a = list_entry(p, struct str_el, next);
+ list_del(&a->next);
+ free(a->str);
+ free(a);
}
- list_for_each_safe(pos, n, &e->difs) {
- struct reg_dif * d =
- list_entry(pos, struct reg_dif, next);
+ list_for_each_safe(p, h, &e->difs) {
+ struct reg_dif * d = list_entry(p, struct reg_dif, next);
+ list_del(&d->next);
free(d->dif_name);
free(d);
}
@@ -165,15 +125,12 @@ static void reg_entry_destroy(struct reg_entry * e)
free(e);
}
-bool reg_entry_is_local_in_dif(struct reg_entry * e,
- char * dif_name)
+static bool reg_entry_is_local_in_dif(struct reg_entry * e, char * dif_name)
{
- struct list_head * pos = NULL;
-
- list_for_each(pos, &e->difs) {
- struct reg_dif * d =
- list_entry(pos, struct reg_dif, next);
+ struct list_head * p = NULL;
+ list_for_each(p, &e->difs) {
+ struct reg_dif * d = list_entry(p, struct reg_dif, next);
if (!strcmp(dif_name, d->dif_name))
return true;
}
@@ -181,9 +138,9 @@ bool reg_entry_is_local_in_dif(struct reg_entry * e,
return false;
}
-int reg_entry_add_local_in_dif(struct reg_entry * e,
- char * dif_name,
- enum ipcp_type type)
+static int reg_entry_add_local_in_dif(struct reg_entry * e,
+ char * dif_name,
+ enum ipcp_type type)
{
if (!reg_entry_is_local_in_dif(e, dif_name)) {
struct reg_dif * rdn = malloc(sizeof(*rdn));
@@ -198,16 +155,14 @@ int reg_entry_add_local_in_dif(struct reg_entry * e,
return 0; /* already registered. Is ok */
}
-void reg_entry_del_local_from_dif(struct reg_entry * e,
- char * dif_name)
+static void reg_entry_del_local_from_dif(struct reg_entry * e,
+ char * dif_name)
{
- struct list_head * pos = NULL;
- struct list_head * n = NULL;
-
- list_for_each_safe(pos, n, &e->difs) {
- struct reg_dif * d =
- list_entry(pos, struct reg_dif, next);
+ struct list_head * p = NULL;
+ struct list_head * h = NULL;
+ list_for_each_safe(p, h, &e->difs) {
+ struct reg_dif * d = list_entry(p, struct reg_dif, next);
if (!strcmp(dif_name, d->dif_name)) {
list_del(&d->next);
free(d);
@@ -215,165 +170,181 @@ void reg_entry_del_local_from_dif(struct reg_entry * e,
}
}
-struct reg_binding * reg_entry_get_binding(struct reg_entry * e,
- char * apn)
+static bool reg_entry_has_apn(struct reg_entry * e, char * apn)
{
- struct list_head * pos = NULL;
+ struct list_head * p;
- list_for_each(pos, &e->bindings) {
- struct reg_binding * n =
- list_entry(pos, struct reg_binding, next);
-
- if (strcmp(apn, n->apn) == 0)
- return n;
+ list_for_each(p, &e->reg_apns) {
+ struct str_el * e = list_entry(p, struct str_el, next);
+ if (!strcmp(e->str, apn))
+ return true;
}
- return NULL;
+ return false;
}
-void reg_entry_del_binding(struct reg_entry * e,
- char * apn)
+int reg_entry_add_apn(struct reg_entry * e, struct apn_entry * a)
{
- struct reg_binding * b = reg_entry_get_binding(e, apn);
- if (b == NULL)
- return;
-
- list_del(&b->next);
- free(b);
-}
+ struct str_el * n;
-struct reg_binding * reg_entry_add_binding(struct reg_entry * e,
- char * apn,
- uint32_t flags,
- char ** argv)
-{
- struct reg_binding * b;
- if ((b = reg_entry_get_binding(e, apn)) != NULL) {
- LOG_DBG("Updating AP name %s binding with %s.",
- apn, e->name);
- reg_entry_del_binding(e, b->apn);
+ if (reg_entry_has_apn(e, a->apn)) {
+ LOG_WARN("AP %s already accepting flows for %s.",
+ a->apn, e->name);
+ return 0;
}
- if (flags & BIND_AP_AUTO) {
- b = reg_binding_create(apn, flags, argv);
- if (e->state == REG_NAME_IDLE)
- e->state = REG_NAME_AUTO_ACCEPT;
- } else {
- flags &= ~BIND_AP_AUTO;
- b = reg_binding_create(apn, flags, NULL);
+ if (!(a->flags & BIND_AP_AUTO)) {
+ LOG_DBG("AP %s cannot be auto-instantiated.", a->apn);
+ return -EINVAL;
}
- list_add(&b->next, &e->bindings);
+ n = malloc(sizeof(*n));
+ if (n == NULL)
+ return -ENOMEM;
+
+ n->str = strdup(a->apn);
+ if (n->str == NULL)
+ return -ENOMEM;
+
+ list_add(&n->next, &e->reg_apns);
+
+ if (e->state == REG_NAME_IDLE)
+ e->state = REG_NAME_AUTO_ACCEPT;
- return b;
+ return 0;
}
-char ** reg_entry_get_auto_info(struct reg_entry * e)
+void reg_entry_del_apn(struct reg_entry * e, char * apn)
{
- struct list_head * pos = NULL;
+ struct list_head * p = NULL;
+ struct list_head * h = NULL;
- list_for_each(pos, &e->bindings) {
- struct reg_binding * b =
- list_entry(pos, struct reg_binding, next);
- if (b->flags & BIND_AP_AUTO)
- return b->argv;
+ list_for_each_safe(p, h, &e->reg_apns) {
+ struct str_el * e = list_entry(p, struct str_el, next);
+ if (!wildcard_match(apn, e->str)) {
+ list_del(&e->next);
+ free(e->str);
+ free(e);
+ }
+ }
+
+ if (e->state == REG_NAME_AUTO_ACCEPT && list_empty(&e->reg_apns)) {
+ e->state = REG_NAME_IDLE;
+ pthread_cond_broadcast(&e->state_cond);
}
- return NULL;
}
-struct reg_api * reg_entry_get_reg_api(struct reg_entry * e,
- pid_t api)
+char * reg_entry_get_apn(struct reg_entry * e)
{
- struct list_head * pos = NULL;
+ if (!list_empty(&e->reg_apis) || list_empty(&e->reg_apns))
+ return NULL;
+
+ return list_first_entry(&e->reg_apns, struct str_el, next)->str;
+}
- list_for_each(pos, &e->reg_apis) {
- struct reg_api * r =
- list_entry(pos, struct reg_api, next);
+static bool reg_entry_has_api(struct reg_entry * e, pid_t api)
+{
+ struct list_head * p;
- if (r->api == api)
- return r;
+ list_for_each(p, &e->reg_apns) {
+ struct pid_el * e = list_entry(p, struct pid_el, next);
+ if (e->pid == api)
+ return true;
}
- return NULL;
+ return false;
}
-pid_t reg_entry_resolve_api(struct reg_entry * e)
+int reg_entry_add_api(struct reg_entry * e, pid_t api)
{
- struct list_head * pos = NULL;
+ struct pid_el * i;
+
+ if (e == NULL)
+ return -EINVAL;
- /* FIXME: now just returns the first accepting instance */
- list_for_each(pos, &e->reg_apis) {
- struct reg_api * r =
- list_entry(pos, struct reg_api, next);
- return r->api;
+ if (reg_entry_has_api(e, api)) {
+ LOG_DBG("Instance already registered with this name.");
+ return -EPERM;
}
- return -1;
-}
+ if (e->state == REG_NAME_NULL) {
+ LOG_DBG("Tried to add instance in NULL state.");
+ return -EPERM;
+ }
-struct reg_entry * registry_get_entry_by_name(struct list_head * registry,
- char * name)
-{
- struct list_head * pos = NULL;
+ i = malloc(sizeof(*i));
+ if (i == NULL)
+ return -ENOMEM;
- list_for_each(pos, registry) {
- struct reg_entry * e =
- list_entry(pos, struct reg_entry, next);
+ i->pid = api;
+ list_add(&i->next, &e->reg_apis);
- if (strcmp(name, e->name) == 0)
- return e;
+ if (e->state == REG_NAME_IDLE ||
+ e->state == REG_NAME_AUTO_ACCEPT ||
+ e->state == REG_NAME_AUTO_EXEC) {
+ e->state = REG_NAME_FLOW_ACCEPT;
+ pthread_cond_signal(&e->state_cond);
}
- return NULL;
+ return 0;
}
-struct reg_entry * registry_get_entry_by_apn(struct list_head * registry,
- char * apn)
+void reg_entry_del_api(struct reg_entry * e, pid_t api)
{
- struct list_head * pos = NULL;
-
- list_for_each(pos, registry) {
- struct list_head * p = NULL;
- struct reg_entry * e =
- list_entry(pos, struct reg_entry, next);
+ struct list_head * p;
+ struct list_head * h;
- list_for_each(p, &e->bindings) {
- struct reg_binding * b =
- list_entry(p, struct reg_binding, next);
+ if (e == NULL)
+ return;
- if (strcmp(b->apn, apn) == 0)
- return e;
+ list_for_each_safe(p, h, &e->reg_apis) {
+ struct pid_el * a = list_entry(p, struct pid_el, next);
+ if (a->pid == api) {
+ list_del(&a->next);
+ free(a);
}
}
- return NULL;
+ if (list_empty(&e->reg_apis)) {
+ if (!list_empty(&e->reg_apns))
+ e->state = REG_NAME_AUTO_ACCEPT;
+ else
+ e->state = REG_NAME_IDLE;
+ } else {
+ e->state = REG_NAME_FLOW_ACCEPT;
+ }
+
+ pthread_cond_broadcast(&e->state_cond);
}
-struct reg_entry * registry_get_entry_by_api(struct list_head * registry,
- pid_t api)
+pid_t reg_entry_get_api(struct reg_entry * e)
{
- struct list_head * pos = NULL;
+ if (e == NULL)
+ return -1;
- list_for_each(pos, registry) {
- struct list_head * p = NULL;
- struct reg_entry * e =
- list_entry(pos, struct reg_entry, next);
+ if (list_empty(&e->reg_apis))
+ return -1;
- list_for_each(p, &e->reg_apis) {
- struct reg_api * r =
- list_entry(p, struct reg_api, next);
+ return list_first_entry(&e->reg_apis, struct pid_el, next)->pid;
+}
- if (r->api == api)
- return e;
- }
+struct reg_entry * registry_get_entry(struct list_head * registry,
+ char * name)
+{
+ struct list_head * p = NULL;
+
+ list_for_each(p, registry) {
+ struct reg_entry * e = list_entry(p, struct reg_entry, next);
+ if (!wildcard_match(name, e->name))
+ return e;
}
return NULL;
}
-struct reg_entry * registry_assign(struct list_head * registry,
- char * name)
+struct reg_entry * registry_add_name(struct list_head * registry,
+ char * name)
{
struct reg_entry * e = NULL;
@@ -403,10 +374,10 @@ struct reg_entry * registry_assign(struct list_head * registry,
return e;
}
-void registry_deassign(struct list_head * registry,
+void registry_del_name(struct list_head * registry,
char * name)
{
- struct reg_entry * e = registry_get_entry_by_name(registry, name);
+ struct reg_entry * e = registry_get_entry(registry, name);
if (e == NULL)
return;
@@ -416,177 +387,30 @@ void registry_deassign(struct list_head * registry,
return;
}
-int registry_add_binding(struct list_head * registry,
- char * name,
- char * apn,
- uint32_t flags,
- char ** argv)
-{
- struct reg_entry * e;
-
- if (name == NULL || apn == NULL)
- return -EINVAL;
-
- e = registry_get_entry_by_name(registry, name);
- if (e == NULL) {
- LOG_DBG("Adding new name to registry: %s.", name);
- e = registry_assign(registry, name);
- }
-
- if (e->state == REG_NAME_NULL) {
- LOG_DBG("Tried to add binding in NULL state.");
- return -1;
- }
-
- if(reg_entry_add_binding(e, apn, flags, argv) == NULL)
- return -1;
-
- return 0;
-}
-
-
-void registry_del_binding(struct list_head * registry,
- char * name,
- char * apn)
-{
- struct reg_entry * e = NULL;
-
- if (name == NULL || apn == NULL)
- return;
-
- e = registry_get_entry_by_name(registry, name);
- if (e == NULL) {
- LOG_DBG("Name %s not found in registry.", name);
- return;
- }
-
- reg_entry_del_binding(e, apn);
-
- if (e->state == REG_NAME_AUTO_ACCEPT && !reg_entry_has_auto_binding(e))
- e->state = REG_NAME_IDLE;
-
- return;
-}
-
-
-struct reg_api * registry_add_api_name(struct list_head * registry,
- pid_t api,
- char * name)
-{
- struct reg_entry * e = NULL;
- struct reg_api * i = NULL;
-
- if (name == NULL || api == -1)
- return NULL;
-
- e = registry_get_entry_by_name(registry, name);
- if (e == NULL) {
- LOG_DBG("Name %s not found in registry.", name);
- return NULL;
- }
-
- if (e->state == REG_NAME_NULL) {
- LOG_DBG("Tried to add instance in NULL state.");
- return NULL;
- }
-
- if (reg_entry_has_api(e, api)) {
- LOG_DBG("Instance already registered with this name.");
- return NULL;
- }
-
- i = reg_api_create(api);
- if (i == NULL) {
- LOG_DBG("Failed to create reg_instance");
- return NULL;
- }
-
- pthread_mutex_lock(&e->state_lock);
-
- if (e->state == REG_NAME_IDLE || e->state == REG_NAME_AUTO_ACCEPT
- || e->state == REG_NAME_AUTO_EXEC) {
- e->state = REG_NAME_FLOW_ACCEPT;
- pthread_cond_signal(&e->state_cond);
- }
-
- list_add(&i->next, &e->reg_apis);
-
- pthread_mutex_unlock(&e->state_lock);
-
- return i;
-}
-
void registry_del_api(struct list_head * registry,
pid_t api)
{
- struct reg_entry * e = NULL;
- struct reg_api * i = NULL;
+ struct list_head * p;
if ( api == -1)
return;
- e = registry_get_entry_by_api(registry, api);
- if (e == NULL) {
- LOG_DBG("Instance %d not found.", api);
- return;
+ list_for_each(p, registry) {
+ struct reg_entry * e = list_entry(p, struct reg_entry, next);
+ pthread_mutex_lock(&e->state_lock);
+ reg_entry_del_api(e, api);
+ pthread_mutex_unlock(&e->state_lock);
}
- i = reg_entry_get_reg_api(e, api);
- if (i == NULL) {
- LOG_DBG("Instance %d is not accepting flows for %s.",
- api, e->name);
- return;
- }
-
- list_del(&i->next);
-
- reg_api_destroy(i);
-
- pthread_mutex_lock(&e->state_lock);
-
- if (list_empty(&e->reg_apis)) {
- if (reg_entry_has_auto_binding(e))
- e->state = REG_NAME_AUTO_ACCEPT;
- else
- e->state = REG_NAME_IDLE;
- } else {
- e->state = REG_NAME_FLOW_ACCEPT;
- }
-
- pthread_cond_signal(&e->state_cond);
- pthread_mutex_unlock(&e->state_lock);
-
return;
}
-void registry_sanitize_apis(struct list_head * registry)
-{
- struct list_head * pos = NULL;
- struct list_head * n = NULL;
-
- struct list_head * pos2 = NULL;
- struct list_head * n2 = NULL;
-
- list_for_each_safe(pos, n, registry) {
- struct reg_entry * e = list_entry(pos, struct reg_entry, next);
- list_for_each_safe(pos2, n2, &e->reg_apis) {
- struct reg_api * r
- = list_entry(pos2, struct reg_api, next);
- if (kill(r->api, 0) < 0) {
- LOG_DBG("Process %d gone, binding removed.",
- r->api);
- registry_del_api(registry, r->api);
- }
- }
- }
-}
-
char * registry_get_dif_for_dst(struct list_head * registry,
char * dst_name)
{
struct list_head * pos = NULL;
struct reg_entry * re =
- registry_get_entry_by_name(registry, dst_name);
+ registry_get_entry(registry, dst_name);
if (re != NULL) { /* local AP */
list_for_each(pos, &re->difs) {
@@ -624,7 +448,7 @@ int registry_add_name_to_dif(struct list_head * registry,
char * dif_name,
enum ipcp_type type)
{
- struct reg_entry * re = registry_get_entry_by_name(registry, name);
+ struct reg_entry * re = registry_get_entry(registry, name);
if (re == NULL)
return -1;
@@ -635,7 +459,7 @@ void registry_del_name_from_dif(struct list_head * registry,
char * name,
char * dif_name)
{
- struct reg_entry * re = registry_get_entry_by_name(registry, name);
+ struct reg_entry * re = registry_get_entry(registry, name);
if (re == NULL)
return;
@@ -644,14 +468,14 @@ void registry_del_name_from_dif(struct list_head * registry,
void registry_destroy(struct list_head * registry)
{
+ struct list_head * p = NULL;
struct list_head * h = NULL;
- struct list_head * t = NULL;
if (registry == NULL)
return;
- list_for_each_safe(h, t, registry) {
- struct reg_entry * e = list_entry(h, struct reg_entry, next);
+ list_for_each_safe(p, h, registry) {
+ struct reg_entry * e = list_entry(p, struct reg_entry, next);
list_del(&e->next);
reg_entry_destroy(e);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-03 06:29:27 +0000