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-rw-r--r--src/irmd/main.c372
1 files changed, 209 insertions, 163 deletions
diff --git a/src/irmd/main.c b/src/irmd/main.c
index 12fc4bb1..74105653 100644
--- a/src/irmd/main.c
+++ b/src/irmd/main.c
@@ -25,13 +25,11 @@
#include <ouroboros/config.h>
#include <ouroboros/logs.h>
#include <ouroboros/sockets.h>
-#include <ouroboros/irm.h>
#include <ouroboros/ipcp.h>
#include <ouroboros/nsm.h>
#include <ouroboros/list.h>
-#include <ouroboros/instance_name.h>
#include <ouroboros/utils.h>
-#include <ouroboros/dif_config.h>
+#include <ouroboros/irm_config.h>
#include <ouroboros/shm_du_map.h>
#include <ouroboros/bitmap.h>
#include <ouroboros/flow.h>
@@ -58,17 +56,14 @@
#define IRMD_CLEANUP_TIMER ((IRMD_FLOW_TIMEOUT / 20) * MILLION) /* ns */
-#define REG_AP_AUTO 0x0001
-/* FIXME: add support for unique */
-#define REG_AP_UNIQUE 0x0002
-
#define reg_entry_has_api(e, id) (reg_entry_get_reg_instance(e, id) != NULL)
#define reg_entry_has_ap_name(e, name) (reg_entry_get_ap_name(e, name) != NULL)
#define reg_entry_has_ap_auto(e, name) (reg_entry_get_reg_auto(e, name) != NULL)
struct ipcp_entry {
struct list_head next;
- instance_name_t * api;
+ char * name;
+ pid_t api;
char * dif_name;
};
@@ -342,7 +337,7 @@ static struct ipcp_entry * ipcp_entry_create()
if (e == NULL)
return NULL;
- e->api = NULL;
+ e->name = NULL;
e->dif_name = NULL;
INIT_LIST_HEAD(&e->next);
@@ -355,8 +350,8 @@ static void ipcp_entry_destroy(struct ipcp_entry * e)
if (e == NULL)
return;
- if (e->api != NULL)
- instance_name_destroy(e->api);
+ if (e->name != NULL)
+ free(e->name);
if (e->dif_name != NULL)
free(e->dif_name);
@@ -364,7 +359,7 @@ static void ipcp_entry_destroy(struct ipcp_entry * e)
free(e);
}
-static struct ipcp_entry * get_ipcp_entry_by_name(instance_name_t * api)
+static struct ipcp_entry * get_ipcp_entry_by_pid(pid_t api)
{
struct list_head * pos = NULL;
@@ -372,34 +367,19 @@ static struct ipcp_entry * get_ipcp_entry_by_name(instance_name_t * api)
struct ipcp_entry * tmp =
list_entry(pos, struct ipcp_entry, next);
- if (instance_name_cmp(api, tmp->api) == 0)
+ if (api == tmp->api)
return tmp;
}
return NULL;
}
-static instance_name_t * get_ipcp_by_name(char * ap_name)
-{
- struct list_head * pos = NULL;
-
- list_for_each(pos, &instance->ipcps) {
- struct ipcp_entry * e =
- list_entry(pos, struct ipcp_entry, next);
-
- if (strcmp(e->api->name, ap_name) == 0)
- return e->api;
- }
-
- return NULL;
-}
-
/*
* FIXME: this just returns the first IPCP that
* matches the requested DIF name for now
*/
-static instance_name_t * get_ipcp_by_dst_name(char * dst_name,
- char * dif_name)
+static pid_t get_ipcp_by_dst_name(char * dst_name,
+ char * dif_name)
{
struct list_head * pos = NULL;
@@ -419,7 +399,7 @@ static instance_name_t * get_ipcp_by_dst_name(char * dst_name,
}
}
- return NULL;
+ return 0;
}
static struct reg_entry * reg_entry_create()
@@ -647,7 +627,7 @@ static struct reg_entry * get_reg_entry_by_ap_id(pid_t pid)
return NULL;
}
-static int registry_add_entry(char * name, char * ap_name, uint32_t flags)
+static int registry_add_entry(char * name, char * ap_name, uint16_t flags)
{
struct reg_entry * e = NULL;
@@ -694,7 +674,7 @@ static int registry_add_ap_auto(char * name,
return -1;
}
- if (!(e->flags & REG_AP_AUTO)) {
+ if (!(e->flags & BIND_AP_AUTO)) {
LOG_DBG("%s does not allow auto-instantiation.", name);
return -1;
}
@@ -838,7 +818,7 @@ static int registry_remove_ap_instance(char * name, pid_t pid)
reg_instance_destroy(i);
if (list_empty(&e->ap_instances)) {
- if ((e->flags & REG_AP_AUTO) &&
+ if ((e->flags & BIND_AP_AUTO) &&
!list_empty(&e->auto_ap_info))
e->state = REG_NAME_AUTO_ACCEPT;
else
@@ -890,7 +870,7 @@ static void registry_del_name(char * name)
return;
}
-static pid_t create_ipcp(char * ap_name,
+static pid_t create_ipcp(char * name,
enum ipcp_type ipcp_type)
{
pid_t pid;
@@ -903,7 +883,7 @@ static pid_t create_ipcp(char * ap_name,
return 0;
}
- pid = ipcp_create(ap_name, ipcp_type);
+ pid = ipcp_create(ipcp_type);
if (pid == -1) {
pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("Failed to create IPCP.");
@@ -918,15 +898,9 @@ static pid_t create_ipcp(char * ap_name,
INIT_LIST_HEAD(&tmp->next);
- tmp->api = instance_name_create();
- if (tmp->api == NULL) {
- ipcp_entry_destroy(tmp);
- pthread_rwlock_unlock(&instance->state_lock);
- return -1;
- }
-
- if(instance_name_init_from(tmp->api, ap_name, pid) == NULL) {
- instance_name_destroy(tmp->api);
+ tmp->api = pid;
+ tmp->name = strdup(name);
+ if (tmp->name == NULL) {
ipcp_entry_destroy(tmp);
pthread_rwlock_unlock(&instance->state_lock);
return -1;
@@ -941,56 +915,40 @@ static pid_t create_ipcp(char * ap_name,
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
- LOG_INFO("Created IPCP %s-%d.", ap_name, pid);
+ LOG_INFO("Created IPCP %d.", pid);
return pid;
}
-static int destroy_ipcp(instance_name_t * api)
+static int destroy_ipcp(pid_t api)
{
struct list_head * pos = NULL;
struct list_head * n = NULL;
- pid_t pid = 0;
-
- if (api == NULL)
- return 0;
pthread_rwlock_rdlock(&instance->state_lock);
pthread_rwlock_wrlock(&instance->reg_lock);
- if (api->id == 0)
- api = get_ipcp_by_name(api->name);
-
- if (api == NULL) {
- pthread_rwlock_unlock(&instance->reg_lock);
- pthread_rwlock_unlock(&instance->state_lock);
- LOG_ERR("No such IPCP in the system.");
- return 0;
- }
-
- pid = api->id;
- if (ipcp_destroy(api->id))
- LOG_ERR("Could not destroy IPCP.");
-
list_for_each_safe(pos, n, &(instance->ipcps)) {
struct ipcp_entry * tmp =
list_entry(pos, struct ipcp_entry, next);
- if (instance_name_cmp(api, tmp->api) == 0) {
+ if (api == tmp->api) {
+ if (ipcp_destroy(api))
+ LOG_ERR("Could not destroy IPCP.");
list_del(&tmp->next);
ipcp_entry_destroy(tmp);
+
+ LOG_INFO("Destroyed IPCP %d.", api);
}
}
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
- LOG_INFO("Destroyed IPCP %d.", pid);
-
return 0;
}
-static int bootstrap_ipcp(instance_name_t * api,
+static int bootstrap_ipcp(pid_t api,
dif_config_msg_t * conf)
{
struct ipcp_entry * entry = NULL;
@@ -1004,17 +962,7 @@ static int bootstrap_ipcp(instance_name_t * api,
pthread_rwlock_wrlock(&instance->reg_lock);
- if (api->id == 0)
- api = get_ipcp_by_name(api->name);
-
- if (api == NULL) {
- pthread_rwlock_unlock(&instance->reg_lock);
- pthread_rwlock_unlock(&instance->state_lock);
- LOG_ERR("No such IPCP in the system.");
- return -1;
- }
-
- entry = get_ipcp_entry_by_name(api);
+ entry = get_ipcp_entry_by_pid(api);
if (entry == NULL) {
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
@@ -1030,7 +978,7 @@ static int bootstrap_ipcp(instance_name_t * api,
return -1;
}
- if (ipcp_bootstrap(entry->api->id, conf)) {
+ if (ipcp_bootstrap(entry->api, conf)) {
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("Could not bootstrap IPCP.");
@@ -1042,14 +990,14 @@ static int bootstrap_ipcp(instance_name_t * api,
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
- LOG_INFO("Bootstrapped IPCP %s-%d in DIF %s.",
- api->name, api->id, conf->dif_name);
+ LOG_INFO("Bootstrapped IPCP %d in DIF %s.",
+ entry->api, conf->dif_name);
return 0;
}
-static int enroll_ipcp(instance_name_t * api,
- char * dif_name)
+static int enroll_ipcp(pid_t api,
+ char * dif_name)
{
char ** n_1_difs = NULL;
ssize_t n_1_difs_size = 0;
@@ -1064,7 +1012,7 @@ static int enroll_ipcp(instance_name_t * api,
pthread_rwlock_rdlock(&instance->reg_lock);
- entry = get_ipcp_entry_by_name(api);
+ entry = get_ipcp_entry_by_pid(api);
if (entry == NULL) {
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
@@ -1090,7 +1038,7 @@ static int enroll_ipcp(instance_name_t * api,
return -1;
}
- if (ipcp_enroll(api->id, dif_name, n_1_difs[0])) {
+ if (ipcp_enroll(api, dif_name, n_1_difs[0])) {
free(entry->dif_name);
entry->dif_name = NULL;
pthread_rwlock_unlock(&instance->reg_lock);
@@ -1102,30 +1050,138 @@ static int enroll_ipcp(instance_name_t * api,
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
- LOG_INFO("Enrolled IPCP %s-%d in DIF %s.",
- api->name, api->id, dif_name);
+ LOG_INFO("Enrolled IPCP %d in DIF %s.",
+ entry->api, dif_name);
return 0;
}
-/* FIXME: distinction between registering names and associating instances */
+static int bind_name(char * name,
+ char * ap_name,
+ uint16_t opts,
+ int argc,
+ char ** argv)
+{
+ int i;
+
+ char ** argv_dup = NULL;
+ char * apn = path_strip(ap_name);
+
+ pthread_rwlock_rdlock(&instance->state_lock);
+
+ if (instance->state != IRMD_RUNNING) {
+ pthread_rwlock_unlock(&instance->state_lock);
+ return -1;
+ }
+
+ pthread_rwlock_wrlock(&instance->reg_lock);
+
+ if (registry_add_entry(strdup(name), strdup(apn), opts) < 0) {
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
+ LOG_ERR("Failed to register %s.", name);
+ return -1;
+ }
+
+ if (opts & BIND_AP_AUTO) {
+ /* we need to duplicate argv */
+ if (argc != 0) {
+ argv_dup = malloc((argc + 2) * sizeof(*argv_dup));
+ argv_dup[0] = strdup(ap_name);
+ for (i = 1; i <= argc; ++i)
+ argv_dup[i] = strdup(argv[i - 1]);
+ argv_dup[argc + 1] = NULL;
+ }
+
+ registry_add_ap_auto(name, strdup(apn), argv_dup);
+ }
+
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
+
+ return 0;
+}
+
+static int unbind_name(char * name,
+ char * ap_name,
+ uint16_t opts)
+
+{
+ struct reg_entry * rne = NULL;
+
+ if (name == NULL || ap_name == NULL)
+ return -1;
+
+ pthread_rwlock_rdlock(&instance->state_lock);
+
+ if (instance->state != IRMD_RUNNING) {
+ pthread_rwlock_unlock(&instance->state_lock);
+ return -1;
+ }
+
+ pthread_rwlock_wrlock(&instance->reg_lock);
+
+ rne = get_reg_entry_by_name(name);
+ if (rne == NULL) {
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
+ LOG_ERR("Tried to unbind a name that is not bound.");
+ return -1;
+ }
+
+ /*
+ * FIXME: Remove the mapping of name to ap_name.
+ * Remove the name only if it was the last mapping.
+ */
+ registry_del_name(rne->name);
+
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
+
+ return 0;
+}
+
+static ssize_t list_ipcps(char * name,
+ pid_t ** pids)
+{
+ struct list_head * pos = NULL;
+ ssize_t count = 0;
+ int i = 0;
+
+ list_for_each(pos, &instance->ipcps) {
+ struct ipcp_entry * tmp =
+ list_entry(pos, struct ipcp_entry, next);
+
+ if (wildcard_match(name, tmp->name) == 0) {
+ count++;
+ }
+ }
+
+ *pids = malloc(count * sizeof(pid_t));
+ if (*pids == NULL) {
+ return -1;
+ }
+
+ list_for_each(pos, &instance->ipcps) {
+ struct ipcp_entry * tmp =
+ list_entry(pos, struct ipcp_entry, next);
+
+ if (wildcard_match(name, tmp->name) == 0) {
+ (*pids)[i++] = tmp->api;
+ }
+ }
+
+ return count;
+}
+
static int ap_reg(char * name,
- char * ap_name,
- pid_t ap_id,
- int argc,
- char ** argv,
- bool autoexec,
char ** difs,
size_t len)
{
int i;
int ret = 0;
-
+ struct reg_entry * reg = NULL;
struct list_head * pos = NULL;
- char ** argv_dup = NULL;
- char * apn = path_strip(ap_name);
-
- uint32_t flags = 0;
pthread_rwlock_rdlock(&instance->state_lock);
@@ -1142,13 +1198,11 @@ static int ap_reg(char * name,
return -1;
}
- if (autoexec)
- flags |= REG_AP_AUTO;
-
- if (registry_add_entry(strdup(name), strdup(apn), flags) < 0) {
+ reg = get_reg_entry_by_name(name);
+ if (reg == NULL) {
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
- LOG_ERR("Failed to register %s.", name);
+ LOG_ERR("Tried to register a name that is not bound.");
return -1;
}
@@ -1161,13 +1215,13 @@ static int ap_reg(char * name,
for (i = 0; i < len; ++i) {
if (wildcard_match(difs[i], e->dif_name) == 0) {
- if (ipcp_name_reg(e->api->id, name)) {
+ if (ipcp_name_reg(e->api, name)) {
LOG_ERR("Could not register "
- "%s in DIF %s as %s.",
- apn, e->dif_name, name);
+ "%s in DIF %s.",
+ name, e->dif_name);
} else {
- LOG_INFO("Registered %s as %s in %s",
- apn, name, e->dif_name);
+ LOG_INFO("Registered %s in %s",
+ name, e->dif_name);
++ret;
}
}
@@ -1180,21 +1234,6 @@ static int ap_reg(char * name,
return -1;
}
- if (autoexec) {
- /* we need to duplicate argv */
- if (argc != 0) {
- argv_dup = malloc((argc + 2) * sizeof(*argv_dup));
- argv_dup[0] = strdup(ap_name);
- for (i = 1; i <= argc; ++i)
- argv_dup[i] = strdup(argv[i - 1]);
- argv_dup[argc + 1] = NULL;
- }
-
- registry_add_ap_auto(name, strdup(apn), argv_dup);
- } else {
- registry_add_ap_instance(name, ap_id);
- }
-
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
@@ -1202,11 +1241,8 @@ static int ap_reg(char * name,
}
static int ap_unreg(char * name,
- char * ap_name,
- pid_t ap_id,
char ** difs,
- size_t len,
- bool hard)
+ size_t len)
{
int i;
int ret = 0;
@@ -1225,12 +1261,6 @@ static int ap_unreg(char * name,
pthread_rwlock_wrlock(&instance->reg_lock);
- if (!hard && strcmp(difs[0], "*") != 0) {
- LOG_INFO("Unregistration not complete yet.");
- LOG_MISSING;
- return -1;
- }
-
list_for_each(pos, &instance->ipcps) {
struct ipcp_entry * e =
list_entry(pos, struct ipcp_entry, next);
@@ -1240,7 +1270,7 @@ static int ap_unreg(char * name,
for (i = 0; i < len; ++i) {
if (wildcard_match(difs[i], e->dif_name) == 0) {
- if (ipcp_name_unreg(e->api->id,
+ if (ipcp_name_unreg(e->api,
rne->name)) {
LOG_ERR("Could not unregister "
"%s in DIF %s.",
@@ -1251,8 +1281,6 @@ static int ap_unreg(char * name,
}
}
- registry_del_name(rne->name);
-
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
@@ -1405,7 +1433,7 @@ static struct port_map_entry * flow_alloc(pid_t pid,
struct qos_spec * qos)
{
struct port_map_entry * pme;
- instance_name_t * ipcp;
+ pid_t ipcp;
char * dif_name = NULL;
/* FIXME: Map qos_spec to qos_cube */
@@ -1435,7 +1463,7 @@ static struct port_map_entry * flow_alloc(pid_t pid,
dif_name = qos->dif_name;
ipcp = get_ipcp_by_dst_name(dst_name, dif_name);
- if (ipcp == NULL) {
+ if (ipcp == 0) {
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("Unknown DIF name.");
@@ -1446,14 +1474,14 @@ static struct port_map_entry * flow_alloc(pid_t pid,
pthread_rwlock_wrlock(&instance->flows_lock);
pme->port_id = bmp_allocate(instance->port_ids);
- pme->n_1_pid = ipcp->id;
+ pme->n_1_pid = ipcp;
list_add(&pme->next, &instance->port_map);
pthread_rwlock_unlock(&instance->flows_lock);
pthread_rwlock_unlock(&instance->state_lock);
- if (ipcp_flow_alloc(ipcp->id,
+ if (ipcp_flow_alloc(ipcp,
pme->port_id,
pme->n_pid,
dst_name,
@@ -1792,7 +1820,7 @@ static void irm_destroy()
list_for_each_safe(h, t, &instance->ipcps) {
struct ipcp_entry * e = list_entry(h, struct ipcp_entry, next);
list_del(&e->next);
- ipcp_destroy(e->api->id);
+ ipcp_destroy(e->api);
ipcp_entry_destroy(e);
}
@@ -1964,10 +1992,10 @@ void * mainloop()
int cli_sockfd;
irm_msg_t * msg;
ssize_t count;
- instance_name_t api;
buffer_t buffer;
irm_msg_t ret_msg = IRM_MSG__INIT;
struct port_map_entry * e = NULL;
+ pid_t * pids = NULL;
ret_msg.code = IRM_MSG_CODE__IRM_REPLY;
@@ -1992,48 +2020,57 @@ void * mainloop()
pthread_cleanup_push(clean_msg, (void *) msg);
- api.name = msg->ap_name;
- if (msg->has_api_id == true)
- api.id = msg->api_id;
-
switch (msg->code) {
case IRM_MSG_CODE__IRM_CREATE_IPCP:
ret_msg.has_result = true;
- ret_msg.result = create_ipcp(msg->ap_name,
+ ret_msg.result = create_ipcp(msg->dst_name,
msg->ipcp_type);
break;
case IRM_MSG_CODE__IRM_DESTROY_IPCP:
ret_msg.has_result = true;
- ret_msg.result = destroy_ipcp(&api);
+ ret_msg.result = destroy_ipcp(msg->api);
break;
case IRM_MSG_CODE__IRM_BOOTSTRAP_IPCP:
ret_msg.has_result = true;
- ret_msg.result = bootstrap_ipcp(&api, msg->conf);
+ ret_msg.result = bootstrap_ipcp(msg->api,
+ msg->conf);
break;
case IRM_MSG_CODE__IRM_ENROLL_IPCP:
ret_msg.has_result = true;
- ret_msg.result = enroll_ipcp(&api,
+ ret_msg.result = enroll_ipcp(msg->api,
msg->dif_name[0]);
break;
- case IRM_MSG_CODE__IRM_AP_REG:
+ case IRM_MSG_CODE__IRM_BIND:
+ ret_msg.has_result = true;
+ ret_msg.result = bind_name(msg->dst_name,
+ msg->ap_name,
+ msg->opts,
+ msg->n_args,
+ msg->args);
+ break;
+ case IRM_MSG_CODE__IRM_UNBIND:
+ ret_msg.has_result = true;
+ ret_msg.result = unbind_name(msg->dst_name,
+ msg->ap_name,
+ msg->opts);
+ break;
+ case IRM_MSG_CODE__IRM_LIST_IPCPS:
+ ret_msg.n_pids = list_ipcps(msg->dst_name,
+ &pids);
+ ret_msg.pids = pids;
+ ret_msg.has_result = true;
+ break;
+ case IRM_MSG_CODE__IRM_REG:
ret_msg.has_result = true;
ret_msg.result = ap_reg(msg->dst_name,
- msg->ap_name,
- msg->pid,
- msg->n_args,
- msg->args,
- msg->autoexec,
msg->dif_name,
msg->n_dif_name);
break;
- case IRM_MSG_CODE__IRM_AP_UNREG:
+ case IRM_MSG_CODE__IRM_UNREG:
ret_msg.has_result = true;
ret_msg.result = ap_unreg(msg->dst_name,
- msg->ap_name,
- msg->pid,
msg->dif_name,
- msg->n_dif_name,
- msg->hard);
+ msg->n_dif_name);
break;
case IRM_MSG_CODE__IRM_FLOW_ACCEPT:
e = flow_accept(msg->pid,
@@ -2106,12 +2143,16 @@ void * mainloop()
buffer.size = irm_msg__get_packed_size(&ret_msg);
if (buffer.size == 0) {
LOG_ERR("Failed to send reply message.");
+ if (pids != NULL)
+ free(pids);
close(cli_sockfd);
continue;
}
buffer.data = malloc(buffer.size);
if (buffer.data == NULL) {
+ if (pids != NULL)
+ free(pids);
close(cli_sockfd);
continue;
}
@@ -2120,10 +2161,15 @@ void * mainloop()
if (write(cli_sockfd, buffer.data, buffer.size) == -1) {
free(buffer.data);
+ if (pids != NULL)
+ free(pids);
close(cli_sockfd);
continue;
}
+ if (pids != NULL)
+ free(pids);
+
free(buffer.data);
close(cli_sockfd);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-27 20:42:00 +0000