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-rw-r--r--src/irmd/api_table.c3
-rw-r--r--src/irmd/main.c69
-rw-r--r--src/irmd/registry.c61
-rw-r--r--src/irmd/registry.h1
4 files changed, 86 insertions, 48 deletions
diff --git a/src/irmd/api_table.c b/src/irmd/api_table.c
index 1c655004..5ff0fcf6 100644
--- a/src/irmd/api_table.c
+++ b/src/irmd/api_table.c
@@ -185,7 +185,8 @@ int api_entry_sleep(struct api_entry * e)
&dl);
if (e->state == API_DESTROY) {
- reg_entry_del_api(e->re, e->api);
+ if (e->re != NULL)
+ reg_entry_del_api(e->re, e->api);
ret = -1;
}
diff --git a/src/irmd/main.c b/src/irmd/main.c
index 19d27bf9..e6647285 100644
--- a/src/irmd/main.c
+++ b/src/irmd/main.c
@@ -1063,16 +1063,21 @@ static struct irm_flow * flow_accept(pid_t api)
api_n1 = f->n_1_api;
port_id = f->port_id;
- log_info("Flow on port_id %d allocated.", f->port_id);
-
pthread_rwlock_unlock(&irmd->flows_lock);
pthread_rwlock_rdlock(&irmd->reg_lock);
e = api_table_get(&irmd->api_table, api);
if (e == NULL) {
pthread_rwlock_unlock(&irmd->reg_lock);
+ pthread_rwlock_wrlock(&irmd->flows_lock);
+ list_del(&f->next);
+ bmp_release(irmd->port_ids, f->port_id);
+ pthread_rwlock_unlock(&irmd->flows_lock);
pthread_rwlock_unlock(&irmd->state_lock);
ipcp_flow_alloc_resp(api_n1, port_id, api_n, -1);
+ clear_irm_flow(f);
+ irm_flow_set_state(f, FLOW_NULL);
+ irm_flow_destroy(f);
log_dbg("Process gone while accepting flow.");
return NULL;
}
@@ -1085,8 +1090,15 @@ static struct irm_flow * flow_accept(pid_t api)
if (reg_entry_get_state(re) != REG_NAME_FLOW_ARRIVED) {
pthread_rwlock_unlock(&irmd->reg_lock);
+ pthread_rwlock_wrlock(&irmd->flows_lock);
+ list_del(&f->next);
+ bmp_release(irmd->port_ids, f->port_id);
+ pthread_rwlock_unlock(&irmd->flows_lock);
pthread_rwlock_unlock(&irmd->state_lock);
ipcp_flow_alloc_resp(api_n1, port_id, api_n, -1);
+ clear_irm_flow(f);
+ irm_flow_set_state(f, FLOW_NULL);
+ irm_flow_destroy(f);
log_err("Entry in wrong state.");
return NULL;
}
@@ -1097,12 +1109,22 @@ static struct irm_flow * flow_accept(pid_t api)
pthread_rwlock_unlock(&irmd->state_lock);
if (ipcp_flow_alloc_resp(api_n1, port_id, api_n, 0)) {
- log_dbg("Failed to respond to alloc.");
+ pthread_rwlock_rdlock(&irmd->state_lock);
+ pthread_rwlock_wrlock(&irmd->flows_lock);
+ list_del(&f->next);
+ pthread_rwlock_unlock(&irmd->flows_lock);
+ pthread_rwlock_unlock(&irmd->state_lock);
+ log_dbg("Failed to respond to alloc. Port_id invalidated.");
+ clear_irm_flow(f);
+ irm_flow_set_state(f, FLOW_NULL);
+ irm_flow_destroy(f);
return NULL;
}
irm_flow_set_state(f, FLOW_ALLOCATED);
+ log_info("Flow on port_id %d allocated.", f->port_id);
+
return f;
}
@@ -1157,17 +1179,9 @@ static struct irm_flow * flow_alloc(pid_t api,
assert(irm_flow_get_state(f) == FLOW_ALLOC_PENDING);
- if (ipcp_flow_alloc(ipcp, port_id, api,
- dst_name, cube) < 0) {
- pthread_rwlock_rdlock(&irmd->state_lock);
- pthread_rwlock_wrlock(&irmd->flows_lock);
- list_del(&f->next);
- clear_irm_flow(f);
- bmp_release(irmd->port_ids, f->port_id);
- pthread_rwlock_unlock(&irmd->flows_lock);
- pthread_rwlock_unlock(&irmd->state_lock);
- irm_flow_set_state(f, FLOW_NULL);
- irm_flow_destroy(f);
+ if (ipcp_flow_alloc(ipcp, port_id, api, dst_name, cube) < 0) {
+ /* sanitizer cleans this */
+ log_info("Failed to respond to alloc.");
return NULL;
}
@@ -1351,7 +1365,6 @@ static struct irm_flow * flow_req_arr(pid_t api,
pthread_rwlock_rdlock(&irmd->state_lock);
pthread_rwlock_wrlock(&irmd->reg_lock);
-
case REG_NAME_FLOW_ACCEPT:
h_api = reg_entry_get_api(re);
if (h_api == -1) {
@@ -1691,19 +1704,17 @@ void * irm_sanitize(void * o)
if (irm_flow_get_state(f) == FLOW_ALLOC_PENDING
&& ts_diff_ms(&f->t0, &now) > IRMD_FLOW_TIMEOUT) {
- list_del(&f->next);
log_dbg("Pending port_id %d timed out.",
f->port_id);
- clear_irm_flow(f);
+ f->n_1_api = -1;
+ irm_flow_set_state(f, FLOW_DEALLOC_PENDING);
ipcp_flow_dealloc(f->n_1_api, f->port_id);
- bmp_release(irmd->port_ids, f->port_id);
- irm_flow_destroy(f);
continue;
}
if (kill(f->n_api, 0) < 0) {
struct shm_flow_set * set;
- log_dbg("AP-I %d gone, flow %d deallocated.",
+ log_dbg("AP-I %d gone, deallocating flow %d.",
f->n_api, f->port_id);
set = shm_flow_set_open(f->n_api);
if (set != NULL)
@@ -1711,22 +1722,18 @@ void * irm_sanitize(void * o)
f->n_api = -1;
irm_flow_set_state(f, FLOW_DEALLOC_PENDING);
ipcp_flow_dealloc(f->n_1_api, f->port_id);
- clear_irm_flow(f);
continue;
}
if (kill(f->n_1_api, 0) < 0) {
struct shm_flow_set * set;
- list_del(&f->next);
log_err("IPCP %d gone, flow %d removed.",
f->n_1_api, f->port_id);
set = shm_flow_set_open(f->n_api);
if (set != NULL)
shm_flow_set_destroy(set);
-
- clear_irm_flow(f);
- bmp_release(irmd->port_ids, f->port_id);
- irm_flow_destroy(f);
+ f->n_1_api = -1;
+ irm_flow_set_state(f, FLOW_DEALLOC_PENDING);
}
}
@@ -2087,6 +2094,8 @@ static int irm_create(void)
if (irmd == NULL)
return -ENOMEM;
+ memset(irmd, 0, sizeof(*irmd));
+
memset(&st, 0, sizeof(st));
irmd->state = IRMD_NULL;
@@ -2158,7 +2167,10 @@ static int irm_create(void)
if ((irmd->lf = lockfile_create()) == NULL) {
if ((irmd->lf = lockfile_open()) == NULL) {
log_err("Lockfile error.");
- irm_destroy();
+ free(irmd->threadpool);
+ bmp_destroy(irmd->thread_ids);
+ bmp_destroy(irmd->port_ids);
+ free(irmd);
return -1;
}
@@ -2172,6 +2184,9 @@ static int irm_create(void)
log_info("IRMd already running (%d), exiting.",
lockfile_owner(irmd->lf));
lockfile_close(irmd->lf);
+ free(irmd->threadpool);
+ bmp_destroy(irmd->thread_ids);
+ bmp_destroy(irmd->port_ids);
free(irmd);
return -1;
}
diff --git a/src/irmd/registry.c b/src/irmd/registry.c
index 2043ca46..53be77cd 100644
--- a/src/irmd/registry.c
+++ b/src/irmd/registry.c
@@ -37,6 +37,7 @@
#include <signal.h>
#include <unistd.h>
#include <limits.h>
+#include <assert.h>
struct reg_dif {
struct list_head next;
@@ -121,6 +122,12 @@ static void reg_entry_destroy(struct reg_entry * e)
if (e->name != NULL)
free(e->name);
+ list_for_each_safe(p, h, &e->reg_apis) {
+ struct pid_el * pe = list_entry(p, struct pid_el, next);
+ list_del(&pe->next);
+ free(pe);
+ }
+
list_for_each_safe(p, h, &e->reg_apns) {
struct str_el * a = list_entry(p, struct str_el, next);
list_del(&a->next);
@@ -224,9 +231,13 @@ int reg_entry_add_apn(struct reg_entry * e,
list_add(&n->next, &e->reg_apns);
+ pthread_mutex_lock(&e->state_lock);
+
if (e->state == REG_NAME_IDLE)
e->state = REG_NAME_AUTO_ACCEPT;
+ pthread_mutex_unlock(&e->state_lock);
+
return 0;
}
@@ -245,11 +256,14 @@ void reg_entry_del_apn(struct reg_entry * e,
}
}
+ pthread_mutex_lock(&e->state_lock);
+
if (e->state == REG_NAME_AUTO_ACCEPT && list_is_empty(&e->reg_apns)) {
e->state = REG_NAME_IDLE;
pthread_cond_broadcast(&e->state_cond);
}
+ pthread_mutex_unlock(&e->state_lock);
}
char * reg_entry_get_apn(struct reg_entry * e)
@@ -279,27 +293,29 @@ int reg_entry_add_api(struct reg_entry * e,
{
struct pid_el * i;
- if (e == NULL)
- return -EINVAL;
+ assert(e);
if (reg_entry_has_api(e, api)) {
log_dbg("Instance already registered with this name.");
return -EPERM;
}
+ pthread_mutex_lock(&e->state_lock);
+
if (e->state == REG_NAME_NULL) {
+ pthread_mutex_unlock(&e->state_lock);
log_dbg("Tried to add instance in NULL state.");
return -EPERM;
}
i = malloc(sizeof(*i));
- if (i == NULL)
+ if (i == NULL) {
+ pthread_mutex_unlock(&e->state_lock);
return -ENOMEM;
+ }
i->pid = api;
- pthread_mutex_lock(&e->state_lock);
-
list_add(&i->next, &e->reg_apis);
if (e->state == REG_NAME_IDLE ||
@@ -316,6 +332,8 @@ int reg_entry_add_api(struct reg_entry * e,
static void reg_entry_check_state(struct reg_entry * e)
{
+ assert(e);
+
if (e->state == REG_NAME_DESTROY) {
e->state = REG_NAME_NULL;
pthread_cond_broadcast(&e->state_cond);
@@ -337,6 +355,9 @@ static void reg_entry_check_state(struct reg_entry * e)
void reg_entry_del_pid_el(struct reg_entry * e,
struct pid_el * p)
{
+ assert(e);
+ assert(p);
+
list_del(&p->next);
free(p);
@@ -349,6 +370,8 @@ void reg_entry_del_api(struct reg_entry * e,
struct list_head * p;
struct list_head * h;
+ assert(e);
+
if (e == NULL)
return;
@@ -378,8 +401,7 @@ enum reg_name_state reg_entry_get_state(struct reg_entry * e)
{
enum reg_name_state state;
- if (e == NULL)
- return REG_NAME_NULL;
+ assert(e);
pthread_mutex_lock(&e->state_lock);
@@ -393,8 +415,7 @@ enum reg_name_state reg_entry_get_state(struct reg_entry * e)
int reg_entry_set_state(struct reg_entry * e,
enum reg_name_state state)
{
- if (state == REG_NAME_DESTROY)
- return -EPERM;
+ assert(state != REG_NAME_DESTROY);
pthread_mutex_lock(&e->state_lock);
@@ -413,8 +434,8 @@ int reg_entry_leave_state(struct reg_entry * e,
struct timespec abstime;
int ret = 0;
- if (e == NULL || state == REG_NAME_DESTROY)
- return -EINVAL;
+ assert(e);
+ assert(state != REG_NAME_DESTROY);
if (timeout != NULL) {
clock_gettime(PTHREAD_COND_CLOCK, &abstime);
@@ -450,8 +471,8 @@ int reg_entry_wait_state(struct reg_entry * e,
struct timespec abstime;
int ret = 0;
- if (e == NULL || state == REG_NAME_DESTROY)
- return -EINVAL;
+ assert(e);
+ assert(state != REG_NAME_DESTROY);
if (timeout != NULL) {
clock_gettime(PTHREAD_COND_CLOCK, &abstime);
@@ -487,6 +508,8 @@ struct reg_entry * registry_get_entry(struct list_head * registry,
{
struct list_head * p = NULL;
+ assert(registry);
+
list_for_each(p, registry) {
struct reg_entry * e = list_entry(p, struct reg_entry, next);
if (!wildcard_match(name, e->name))
@@ -501,8 +524,8 @@ struct reg_entry * registry_add_name(struct list_head * registry,
{
struct reg_entry * e = NULL;
- if (name == NULL)
- return NULL;
+ assert(registry);
+ assert(name);
if (registry_has_name(registry, name)) {
log_dbg("Name %s already registered.", name);
@@ -545,12 +568,13 @@ void registry_del_api(struct list_head * registry,
{
struct list_head * p;
- if ( api == -1)
- return;
+ assert(registry);
+ assert(api > 0);
list_for_each(p, registry) {
struct reg_entry * e = list_entry(p, struct reg_entry, next);
pthread_mutex_lock(&e->state_lock);
+ assert(e);
reg_entry_del_api(e, api);
pthread_mutex_unlock(&e->state_lock);
}
@@ -586,8 +610,7 @@ void registry_destroy(struct list_head * registry)
struct list_head * p = NULL;
struct list_head * h = NULL;
- if (registry == NULL)
- return;
+ assert(registry);
list_for_each_safe(p, h, registry) {
struct reg_entry * e = list_entry(p, struct reg_entry, next);
diff --git a/src/irmd/registry.h b/src/irmd/registry.h
index 2c766732..08e78019 100644
--- a/src/irmd/registry.h
+++ b/src/irmd/registry.h
@@ -63,7 +63,6 @@ struct reg_entry {
struct list_head reg_apis;
enum reg_name_state state;
- qoscube_t qos;
pthread_cond_t state_cond;
pthread_mutex_t state_lock;
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 21:58:46 +0000