From 16a28c7d5a9c6772c087554869bbfc6be47d3eee Mon Sep 17 00:00:00 2001 From: dimitri staessens Date: Wed, 16 Nov 2016 18:52:18 +0100 Subject: irmd: Refactor irm_flow Creation and destruction of the rbuffs is now completely handled in the irm_flow. --- src/irmd/main.c | 92 +++++++++++---------------------------------------------- 1 file changed, 18 insertions(+), 74 deletions(-) (limited to 'src/irmd/main.c') diff --git a/src/irmd/main.c b/src/irmd/main.c index e52ef4da..055e9d8f 100644 --- a/src/irmd/main.c +++ b/src/irmd/main.c @@ -1141,49 +1141,21 @@ static struct irm_flow * flow_alloc(pid_t api, } pthread_rwlock_unlock(&irmd->reg_lock); - - f = irm_flow_create(); - if (f == NULL) { - pthread_rwlock_unlock(&irmd->state_lock); - LOG_ERR("Failed to create irm_flow."); - return NULL; - } - - f->n_api = api; - f->state = FLOW_ALLOC_PENDING; - - if (clock_gettime(CLOCK_MONOTONIC, &f->t0) < 0) - LOG_WARN("Failed to set timestamp."); - pthread_rwlock_wrlock(&irmd->flows_lock); - - port_id = f->port_id = bmp_allocate(irmd->port_ids); + port_id = bmp_allocate(irmd->port_ids); if (!bmp_is_id_valid(irmd->port_ids, port_id)) { pthread_rwlock_unlock(&irmd->flows_lock); pthread_rwlock_unlock(&irmd->state_lock); LOG_ERR("Could not allocate port_id."); - irm_flow_destroy(f); - return NULL; - } - - f->n_1_api = ipcp; - f->n_rb = shm_rbuff_create(api, port_id); - if (f->n_rb == NULL) { - bmp_release(irmd->port_ids, port_id); - pthread_rwlock_unlock(&irmd->flows_lock); - pthread_rwlock_unlock(&irmd->state_lock); - LOG_ERR("Could not create ringbuffer for AP-I %d.", api); - irm_flow_destroy(f); return NULL; } - f->n_1_rb = shm_rbuff_create(ipcp, port_id); - if (f->n_1_rb == NULL) { + f = irm_flow_create(api, ipcp, port_id); + if (f == NULL) { bmp_release(irmd->port_ids, port_id); pthread_rwlock_unlock(&irmd->flows_lock); pthread_rwlock_unlock(&irmd->state_lock); - LOG_ERR("Could not create ringbuffer for AP-I %d.", ipcp); - irm_flow_destroy(f); + LOG_ERR("Could not allocate port_id."); return NULL; } @@ -1268,7 +1240,7 @@ static int flow_dealloc(pid_t api, int port_id) if (f == NULL) { pthread_rwlock_unlock(&irmd->flows_lock); pthread_rwlock_unlock(&irmd->state_lock); - LOG_DBG("Deallocate called for unknown port."); + LOG_DBG("Deallocate unknown port %d by %d.", port_id, api); return 0; } @@ -1297,11 +1269,12 @@ static int flow_dealloc(pid_t api, int port_id) } pthread_rwlock_unlock(&irmd->flows_lock); - pthread_rwlock_unlock(&irmd->state_lock); if (n_1_api != -1) ret = ipcp_flow_dealloc(n_1_api, port_id); + pthread_rwlock_unlock(&irmd->state_lock); + return ret; } @@ -1351,21 +1324,11 @@ static struct irm_flow * flow_req_arr(pid_t api, struct pid_el * c_api; pid_t h_api = -1; + int port_id = -1; LOG_DBGF("Flow req arrived from IPCP %d for %s on AE %s.", api, dst_name, ae_name); - f = irm_flow_create(); - if (f == NULL) { - LOG_ERR("Failed to create irm_flow."); - return NULL; - } - - f->state = FLOW_ALLOC_PENDING; - f->n_1_api = api; - if (clock_gettime(CLOCK_MONOTONIC, &f->t0) < 0) - LOG_WARN("Failed to set timestamp."); - pthread_rwlock_rdlock(&irmd->state_lock); pthread_rwlock_wrlock(&irmd->reg_lock); @@ -1374,7 +1337,6 @@ static struct irm_flow * flow_req_arr(pid_t api, pthread_rwlock_unlock(&irmd->reg_lock); pthread_rwlock_unlock(&irmd->state_lock); LOG_ERR("Unknown name: %s.", dst_name); - irm_flow_destroy(f); return NULL; } @@ -1387,14 +1349,12 @@ static struct irm_flow * flow_req_arr(pid_t api, pthread_rwlock_unlock(&irmd->reg_lock); pthread_rwlock_unlock(&irmd->state_lock); LOG_ERR("No AP's for %s.", dst_name); - irm_flow_destroy(f); return NULL; case REG_NAME_AUTO_ACCEPT: c_api = malloc(sizeof(*c_api)); if (c_api == NULL) { pthread_rwlock_unlock(&irmd->reg_lock); pthread_rwlock_unlock(&irmd->state_lock); - irm_flow_destroy(f); return NULL; } @@ -1412,7 +1372,6 @@ static struct irm_flow * flow_req_arr(pid_t api, pthread_rwlock_unlock(&irmd->state_lock); LOG_ERR("Could not get start apn for reg_entry %s.", re->name); - irm_flow_destroy(f); free(c_api); return NULL; } @@ -1439,7 +1398,6 @@ static struct irm_flow * flow_req_arr(pid_t api, pthread_mutex_unlock(&re->state_lock); pthread_rwlock_unlock(&irmd->reg_lock); pthread_rwlock_unlock(&irmd->state_lock); - irm_flow_destroy(f); return NULL; } @@ -1447,13 +1405,12 @@ static struct irm_flow * flow_req_arr(pid_t api, case REG_NAME_FLOW_ACCEPT: pthread_mutex_lock(&re->state_lock); - h_api = f->n_api = reg_entry_get_api(re); + h_api = reg_entry_get_api(re); pthread_mutex_unlock(&re->state_lock); - if (f->n_api == -1) { + if (h_api == -1) { pthread_rwlock_unlock(&irmd->reg_lock); pthread_rwlock_unlock(&irmd->state_lock); LOG_ERR("Invalid api returned."); - irm_flow_destroy(f); return NULL; } @@ -1462,39 +1419,25 @@ static struct irm_flow * flow_req_arr(pid_t api, pthread_rwlock_unlock(&irmd->reg_lock); pthread_rwlock_unlock(&irmd->state_lock); LOG_ERR("IRMd in wrong state."); - irm_flow_destroy(f); return NULL; } - pthread_rwlock_unlock(&irmd->reg_lock); + pthread_rwlock_unlock(&irmd->reg_lock); pthread_rwlock_wrlock(&irmd->flows_lock); - f->port_id = bmp_allocate(irmd->port_ids); - if (!bmp_is_id_valid(irmd->port_ids, f->port_id)) { - pthread_rwlock_unlock(&irmd->flows_lock); - pthread_rwlock_unlock(&irmd->state_lock); - LOG_ERR("Could not create ringbuffer for AP-I %d.", f->n_api); - irm_flow_destroy(f); - return NULL; - } - - f->n_rb = shm_rbuff_create(f->n_api, f->port_id); - if (f->n_rb == NULL) { - bmp_release(irmd->port_ids, f->port_id); + port_id = bmp_allocate(irmd->port_ids); + if (!bmp_is_id_valid(irmd->port_ids, port_id)) { pthread_rwlock_unlock(&irmd->flows_lock); pthread_rwlock_unlock(&irmd->state_lock); - LOG_ERR("Could not create ringbuffer for AP-I %d.", f->n_api); - irm_flow_destroy(f); return NULL; } - f->n_1_rb = shm_rbuff_create(f->n_1_api, f->port_id); - if (f->n_1_rb == NULL) { - bmp_release(irmd->port_ids, f->port_id); + f = irm_flow_create(h_api, api, port_id); + if (f == NULL) { + bmp_release(irmd->port_ids, port_id); pthread_rwlock_unlock(&irmd->flows_lock); pthread_rwlock_unlock(&irmd->state_lock); - LOG_ERR("Could not create ringbuffer for AP-I %d.", f->n_1_api); - irm_flow_destroy(f); + LOG_ERR("Could not allocate port_id."); return NULL; } @@ -1515,6 +1458,7 @@ static struct irm_flow * flow_req_arr(pid_t api, pthread_rwlock_unlock(&irmd->reg_lock); pthread_rwlock_wrlock(&irmd->flows_lock); bmp_release(irmd->port_ids, f->port_id); + list_del(&f->next); pthread_rwlock_unlock(&irmd->flows_lock); pthread_rwlock_unlock(&irmd->state_lock); LOG_ERR("Could not get api table entry for %d.", h_api); -- cgit v1.2.3