diff options
Diffstat (limited to 'src/ipcpd/normal/gam.c')
| -rw-r--r-- | src/ipcpd/normal/gam.c | 136 |
1 files changed, 41 insertions, 95 deletions
diff --git a/src/ipcpd/normal/gam.c b/src/ipcpd/normal/gam.c index 34db87e3..0e626115 100644 --- a/src/ipcpd/normal/gam.c +++ b/src/ipcpd/normal/gam.c @@ -3,7 +3,7 @@ * * Graph adjacency manager for IPC Process components * - * Dimitri Staeesens <dimitri.staessens@intec.ugent.be> + * Dimitri Staessens <dimitri.staessens@intec.ugent.be> * Sander Vrijders <sander.vrijders@intec.ugent.be> * * This program is free software; you can redistribute it and/or modify @@ -25,23 +25,20 @@ #include <ouroboros/config.h> #include <ouroboros/dev.h> #include <ouroboros/logs.h> -#include <ouroboros/cacep.h> #include <ouroboros/list.h> #include <ouroboros/errno.h> #include "ribmgr.h" #include "ipcp.h" -#include "ro.h" -#include "pathname.h" #include "gam.h" +#include "pol-gam-ops.h" +#include "pol/complete.h" #include <assert.h> #include <stdlib.h> #include <pthread.h> #include <string.h> -#define RO_DIR "neighbors" - struct ga { struct list_head next; @@ -51,59 +48,34 @@ struct ga { }; struct gam { - struct list_head gas; - pthread_mutex_t gas_lock; - pthread_cond_t gas_cond; - - char * ae_name; + struct list_head gas; + pthread_mutex_t gas_lock; + pthread_cond_t gas_cond; - /* FIXME: Keep a list of known members */ + char * ae_name; - pthread_t allocator; + struct pol_gam_ops * ops; + void * ops_o; }; -static void * allocator(void * o) +struct gam * gam_create(enum pol_gam gam_type, + const char * ae_name) { - qosspec_t qs; - ssize_t len; - char ** children; - struct gam * instance; - int i; - char * ro_name; - - instance = (struct gam *) o; - - qs.delay = 0; - qs.jitter = 0; - - ro_name = pathname_create(RO_DIR); - if (ro_name == NULL) - return (void *) -1; - - len = ro_children(ro_name, &children); - if (len > 0) { - for (i = 0; i < len; i++) { - if (strcmp(children[i], ipcpi.name) == 0) - continue; - gam_flow_alloc(instance, children[i], qs); - } - } - - pathname_destroy(ro_name); - - return (void *) 0; -} - -struct gam * gam_create(char * ae_name) -{ - struct gam * tmp; - struct ro_attr attr; - char * ro_name; + struct gam * tmp; tmp = malloc(sizeof(*tmp)); if (tmp == NULL) return NULL; + switch (gam_type) { + case COMPLETE: + tmp->ops = &complete_ops; + break; + default: + free(tmp); + return NULL; + } + list_head_init(&tmp->gas); tmp->ae_name = strdup(ae_name); @@ -125,47 +97,8 @@ struct gam * gam_create(char * ae_name) return NULL; } - ro_attr_init(&attr); - attr.enrol_sync = true; - attr.recv_set = ALL_MEMBERS; - - ro_name = pathname_create(RO_DIR); - if (ro_name == NULL) { - pthread_mutex_destroy(&tmp->gas_lock); - free(tmp->ae_name); - free(tmp); - return NULL; - } - - if (!ro_exists(RO_DIR)) { - if (ro_create(ro_name, &attr, NULL, 0)) { - pathname_destroy(ro_name); - pthread_mutex_destroy(&tmp->gas_lock); - free(tmp->ae_name); - free(tmp); - return NULL; - } - } - - ro_name = pathname_append(ro_name, ipcpi.name); - if (ro_name == NULL) { - pathname_destroy(ro_name); - pthread_mutex_destroy(&tmp->gas_lock); - free(tmp->ae_name); - free(tmp); - return NULL; - } - - if (ro_create(ro_name, &attr, NULL, 0)) { - pathname_destroy(ro_name); - pthread_mutex_destroy(&tmp->gas_lock); - free(tmp->ae_name); - free(tmp); - return NULL; - } - pathname_destroy(ro_name); - - if (pthread_create(&tmp->allocator, NULL, allocator, (void *) tmp)) { + tmp->ops_o = tmp->ops->create(tmp); + if (tmp->ops_o == NULL) { pthread_cond_destroy(&tmp->gas_cond); pthread_mutex_destroy(&tmp->gas_lock); free(tmp->ae_name); @@ -183,8 +116,7 @@ void gam_destroy(struct gam * instance) assert(instance); - pthread_cancel(instance->allocator); - pthread_join(instance->allocator, NULL); + instance->ops->destroy(instance->ops_o); pthread_mutex_destroy(&instance->gas_lock); pthread_cond_destroy(&instance->gas_cond); @@ -232,7 +164,8 @@ int gam_flow_arr(struct gam * instance, struct cacep * cacep; struct cacep_info * info; - if (flow_alloc_resp(fd, 0) < 0) { + if (flow_alloc_resp(fd, instance->ops->accept_new_flow(instance->ops_o)) + < 0) { LOG_ERR("Could not respond to new flow."); return -1; } @@ -249,8 +182,15 @@ int gam_flow_arr(struct gam * instance, cacep_destroy(cacep); return -1; } + cacep_destroy(cacep); + if (instance->ops->accept_flow(instance->ops_o, qs, info)) { + flow_dealloc(fd); + free(info); + return 0; + } + if (add_ga(instance, fd, qs, info)) { LOG_ERR("Failed to add ga to graph adjacency manager list."); free(info); @@ -292,10 +232,17 @@ int gam_flow_alloc(struct gam * instance, cacep_destroy(cacep); return -1; } + cacep_destroy(cacep); + if (instance->ops->accept_flow(instance->ops_o, qs, info)) { + flow_dealloc(fd); + free(info); + return 0; + } + if (add_ga(instance, fd, qs, info)) { - LOG_ERR("Failed to add ga to graph adjacency manager list."); + LOG_ERR("Failed to add GA to graph adjacency manager list."); free(info); return -1; } @@ -322,7 +269,6 @@ int gam_flow_wait(struct gam * instance, ga = list_first_entry((&instance->gas), struct ga, next); if (ga == NULL) { pthread_mutex_unlock(&instance->gas_lock); - LOG_ERR("Ga was NULL."); return -1; } |