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Diffstat (limited to 'src/irmd/main.c')
-rw-r--r--src/irmd/main.c200
1 files changed, 101 insertions, 99 deletions
diff --git a/src/irmd/main.c b/src/irmd/main.c
index 74105653..f6c27377 100644
--- a/src/irmd/main.c
+++ b/src/irmd/main.c
@@ -48,6 +48,8 @@
#include <pthread.h>
#include <sys/stat.h>
+#define API_INVALID 0
+
#define IRMD_MAX_FLOWS 4096
#define IRMD_THREADPOOL_SIZE 3
@@ -90,22 +92,22 @@ enum reg_i_state {
struct reg_instance {
struct list_head next;
- pid_t pid;
+ pid_t api;
- /* the pid will block on this */
+ /* the api will block on this */
enum reg_i_state state;
pthread_cond_t wakeup;
pthread_mutex_t mutex;
};
-static struct reg_instance * reg_instance_create(pid_t pid)
+static struct reg_instance * reg_instance_create(pid_t api)
{
struct reg_instance * i;
i = malloc(sizeof(*i));
if (i == NULL)
return NULL;
- i->pid = pid;
+ i->api = api;
i->state = REG_I_WAKE;
pthread_mutex_init(&i->mutex, NULL);
@@ -217,8 +219,8 @@ struct port_map_entry {
int port_id;
- pid_t n_pid;
- pid_t n_1_pid;
+ pid_t n_api;
+ pid_t n_1_api;
pthread_cond_t res_signal;
pthread_mutex_t res_lock;
@@ -237,7 +239,7 @@ struct irm {
/* keep track of all flows in this processing system */
struct bmp * port_ids;
- /* maps port_ids to pid pair */
+ /* maps port_ids to api pair */
struct list_head port_map;
pthread_rwlock_t flows_lock;
@@ -257,8 +259,8 @@ static struct port_map_entry * port_map_entry_create()
if (e == NULL)
return NULL;
- e->n_pid = 0;
- e->n_1_pid = 0;
+ e->n_api = 0;
+ e->n_1_api = 0;
e->port_id = 0;
e->state = FLOW_NULL;
@@ -316,7 +318,7 @@ static struct port_map_entry * get_port_map_entry(int port_id)
return NULL;
}
-static struct port_map_entry * get_port_map_entry_n(pid_t n_pid)
+static struct port_map_entry * get_port_map_entry_n(pid_t n_api)
{
struct list_head * pos = NULL;
@@ -324,7 +326,7 @@ static struct port_map_entry * get_port_map_entry_n(pid_t n_pid)
struct port_map_entry * e =
list_entry(pos, struct port_map_entry, next);
- if (e->n_pid == n_pid)
+ if (e->n_api == n_api)
return e;
}
@@ -359,7 +361,7 @@ static void ipcp_entry_destroy(struct ipcp_entry * e)
free(e);
}
-static struct ipcp_entry * get_ipcp_entry_by_pid(pid_t api)
+static struct ipcp_entry * get_ipcp_entry_by_api(pid_t api)
{
struct list_head * pos = NULL;
@@ -539,7 +541,7 @@ static struct reg_ap_name * reg_entry_get_ap_name(struct reg_entry * e,
}
static struct reg_instance * reg_entry_get_reg_instance(struct reg_entry * e,
- pid_t pid)
+ pid_t api)
{
struct list_head * pos = NULL;
@@ -547,7 +549,7 @@ static struct reg_instance * reg_entry_get_reg_instance(struct reg_entry * e,
struct reg_instance * r =
list_entry(pos, struct reg_instance, next);
- if (r->pid == pid)
+ if (r->api == api)
return r;
}
@@ -606,7 +608,7 @@ static struct reg_entry * get_reg_entry_by_ap_name(char * ap_name)
return NULL;
}
-static struct reg_entry * get_reg_entry_by_ap_id(pid_t pid)
+static struct reg_entry * get_reg_entry_by_ap_id(pid_t api)
{
struct list_head * pos = NULL;
@@ -619,7 +621,7 @@ static struct reg_entry * get_reg_entry_by_ap_id(pid_t pid)
struct reg_instance * r =
list_entry(p, struct reg_instance, next);
- if (r->pid == pid)
+ if (r->api == api)
return e;
}
}
@@ -747,12 +749,12 @@ static int registry_remove_ap_auto(char * name,
#endif
static struct reg_instance * registry_add_ap_instance(char * name,
- pid_t pid)
+ pid_t api)
{
struct reg_entry * e = NULL;
struct reg_instance * i = NULL;
- if (name == NULL || pid == 0)
+ if (name == NULL || api == 0)
return NULL;
e = get_reg_entry_by_name(name);
@@ -761,12 +763,12 @@ static struct reg_instance * registry_add_ap_instance(char * name,
return NULL;
}
- if (pid == 0) {
- LOG_DBG("Invalid pid.");
+ if (api == API_INVALID) {
+ LOG_DBG("Invalid api.");
return NULL;
}
- if (reg_entry_has_api(e, pid)) {
+ if (reg_entry_has_api(e, api)) {
LOG_DBG("Instance already registered with this name.");
return NULL;
}
@@ -776,7 +778,7 @@ static struct reg_instance * registry_add_ap_instance(char * name,
return NULL;
}
- i = reg_instance_create(pid);
+ i = reg_instance_create(api);
if (i == NULL) {
LOG_DBG("Failed to create reg_instance");
return NULL;
@@ -792,12 +794,12 @@ static struct reg_instance * registry_add_ap_instance(char * name,
return i;
}
-static int registry_remove_ap_instance(char * name, pid_t pid)
+static int registry_remove_ap_instance(char * name, pid_t api)
{
struct reg_entry * e = NULL;
struct reg_instance * i = NULL;
- if (name == NULL || pid == 0)
+ if (name == NULL || api == 0)
return -1;
e = get_reg_entry_by_name(name);
@@ -806,10 +808,10 @@ static int registry_remove_ap_instance(char * name, pid_t pid)
return -1;
}
- i = reg_entry_get_reg_instance(e, pid);
+ i = reg_entry_get_reg_instance(e, api);
if (i == NULL) {
LOG_DBG("Instance %d is not accepting flows for %s.",
- pid, name);
+ api, name);
return -1;
}
@@ -838,7 +840,7 @@ static pid_t registry_resolve_api(struct reg_entry * e)
list_for_each(pos, &e->ap_instances) {
struct reg_instance * r =
list_entry(pos, struct reg_instance, next);
- return r->pid;
+ return r->api;
}
return 0;
@@ -873,7 +875,7 @@ static void registry_del_name(char * name)
static pid_t create_ipcp(char * name,
enum ipcp_type ipcp_type)
{
- pid_t pid;
+ pid_t api;
struct ipcp_entry * tmp = NULL;
pthread_rwlock_rdlock(&instance->state_lock);
@@ -883,8 +885,8 @@ static pid_t create_ipcp(char * name,
return 0;
}
- pid = ipcp_create(ipcp_type);
- if (pid == -1) {
+ api = ipcp_create(ipcp_type);
+ if (api == -1) {
pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("Failed to create IPCP.");
return -1;
@@ -898,7 +900,7 @@ static pid_t create_ipcp(char * name,
INIT_LIST_HEAD(&tmp->next);
- tmp->api = pid;
+ tmp->api = api;
tmp->name = strdup(name);
if (tmp->name == NULL) {
ipcp_entry_destroy(tmp);
@@ -915,9 +917,9 @@ static pid_t create_ipcp(char * name,
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
- LOG_INFO("Created IPCP %d.", pid);
+ LOG_INFO("Created IPCP %d.", api);
- return pid;
+ return api;
}
static int destroy_ipcp(pid_t api)
@@ -962,7 +964,7 @@ static int bootstrap_ipcp(pid_t api,
pthread_rwlock_wrlock(&instance->reg_lock);
- entry = get_ipcp_entry_by_pid(api);
+ entry = get_ipcp_entry_by_api(api);
if (entry == NULL) {
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
@@ -1012,7 +1014,7 @@ static int enroll_ipcp(pid_t api,
pthread_rwlock_rdlock(&instance->reg_lock);
- entry = get_ipcp_entry_by_pid(api);
+ entry = get_ipcp_entry_by_api(api);
if (entry == NULL) {
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
@@ -1142,7 +1144,7 @@ static int unbind_name(char * name,
}
static ssize_t list_ipcps(char * name,
- pid_t ** pids)
+ pid_t ** apis)
{
struct list_head * pos = NULL;
ssize_t count = 0;
@@ -1157,8 +1159,8 @@ static ssize_t list_ipcps(char * name,
}
}
- *pids = malloc(count * sizeof(pid_t));
- if (*pids == NULL) {
+ *apis = malloc(count * sizeof(pid_t));
+ if (*apis == NULL) {
return -1;
}
@@ -1167,7 +1169,7 @@ static ssize_t list_ipcps(char * name,
list_entry(pos, struct ipcp_entry, next);
if (wildcard_match(name, tmp->name) == 0) {
- (*pids)[i++] = tmp->api;
+ (*apis)[i++] = tmp->api;
}
}
@@ -1287,7 +1289,7 @@ static int ap_unreg(char * name,
return ret;
}
-static struct port_map_entry * flow_accept(pid_t pid,
+static struct port_map_entry * flow_accept(pid_t api,
char * srv_ap_name,
char ** dst_ae_name)
{
@@ -1312,16 +1314,16 @@ static struct port_map_entry * flow_accept(pid_t pid,
return NULL;
}
- if (!reg_entry_has_api(rne, pid)) {
- rgi = registry_add_ap_instance(rne->name, pid);
+ if (!reg_entry_has_api(rne, api)) {
+ rgi = registry_add_ap_instance(rne->name, api);
if (rgi == NULL) {
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("Failed to register instance %d with %s.",
- pid,srv_ap_name);
+ api,srv_ap_name);
return NULL;
}
- LOG_INFO("New instance (%d) of %s added.", pid, srv_ap_name);
+ LOG_INFO("New instance (%d) of %s added.", api, srv_ap_name);
}
pthread_rwlock_unlock(&instance->reg_lock);
@@ -1345,7 +1347,7 @@ static struct port_map_entry * flow_accept(pid_t pid,
pthread_rwlock_rdlock(&instance->flows_lock);
- pme = get_port_map_entry_n(pid);
+ pme = get_port_map_entry_n(api);
if (pme == NULL) {
pthread_rwlock_unlock(&instance->flows_lock);
pthread_rwlock_unlock(&instance->state_lock);
@@ -1364,7 +1366,7 @@ static struct port_map_entry * flow_accept(pid_t pid,
return pme;
}
-static int flow_alloc_resp(pid_t n_pid,
+static int flow_alloc_resp(pid_t n_api,
int port_id,
int response)
{
@@ -1381,7 +1383,7 @@ static int flow_alloc_resp(pid_t n_pid,
pthread_rwlock_wrlock(&instance->reg_lock);
- rne = get_reg_entry_by_ap_id(n_pid);
+ rne = get_reg_entry_by_ap_id(n_api);
if (rne == NULL) {
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
@@ -1397,7 +1399,7 @@ static int flow_alloc_resp(pid_t n_pid,
pthread_mutex_lock(&rne->state_lock);
- registry_remove_ap_instance(rne->name, n_pid);
+ registry_remove_ap_instance(rne->name, n_api);
pthread_mutex_unlock(&rne->state_lock);
@@ -1416,9 +1418,9 @@ static int flow_alloc_resp(pid_t n_pid,
pme->state = FLOW_ALLOCATED;
pthread_rwlock_unlock(&instance->flows_lock);
- ret = ipcp_flow_alloc_resp(pme->n_1_pid,
+ ret = ipcp_flow_alloc_resp(pme->n_1_api,
port_id,
- pme->n_pid,
+ pme->n_api,
response);
}
@@ -1427,7 +1429,7 @@ static int flow_alloc_resp(pid_t n_pid,
return ret;
}
-static struct port_map_entry * flow_alloc(pid_t pid,
+static struct port_map_entry * flow_alloc(pid_t api,
char * dst_name,
char * src_ae_name,
struct qos_spec * qos)
@@ -1452,7 +1454,7 @@ static struct port_map_entry * flow_alloc(pid_t pid,
return NULL;
}
- pme->n_pid = pid;
+ pme->n_api = api;
pme->state = FLOW_PENDING;
if (clock_gettime(CLOCK_MONOTONIC, &pme->t0) < 0)
LOG_WARN("Failed to set timestamp.");
@@ -1474,7 +1476,7 @@ 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;
+ pme->n_1_api = ipcp;
list_add(&pme->next, &instance->port_map);
@@ -1483,7 +1485,7 @@ static struct port_map_entry * flow_alloc(pid_t pid,
if (ipcp_flow_alloc(ipcp,
pme->port_id,
- pme->n_pid,
+ pme->n_api,
dst_name,
src_ae_name,
QOS_CUBE_BE) < 0) {
@@ -1578,7 +1580,7 @@ static int flow_alloc_res(int port_id)
static int flow_dealloc(int port_id)
{
- pid_t n_1_pid;
+ pid_t n_1_api;
int ret = 0;
struct port_map_entry * e = NULL;
@@ -1594,13 +1596,13 @@ static int flow_dealloc(int port_id)
return 0;
}
- n_1_pid = e->n_1_pid;
+ n_1_api = e->n_1_api;
list_del(&e->next);
pthread_rwlock_unlock(&instance->flows_lock);
- ret = ipcp_flow_dealloc(n_1_pid, port_id);
+ ret = ipcp_flow_dealloc(n_1_api, port_id);
pthread_rwlock_unlock(&instance->state_lock);
@@ -1611,16 +1613,16 @@ static int flow_dealloc(int port_id)
static int auto_execute(char ** argv)
{
- pid_t pid;
+ pid_t api;
LOG_INFO("Executing %s.", argv[0]);
- pid = fork();
- if (pid == -1) {
+ api = fork();
+ if (api == -1) {
LOG_ERR("Failed to fork");
- return pid;
+ return api;
}
- if (pid != 0) {
- return pid;
+ if (api != 0) {
+ return api;
}
execv(argv[0], argv);
@@ -1630,7 +1632,7 @@ static int auto_execute(char ** argv)
exit(EXIT_FAILURE);
}
-static struct port_map_entry * flow_req_arr(pid_t pid,
+static struct port_map_entry * flow_req_arr(pid_t api,
char * dst_name,
char * ae_name)
{
@@ -1646,7 +1648,7 @@ static struct port_map_entry * flow_req_arr(pid_t pid,
}
pme->state = FLOW_PENDING;
- pme->n_1_pid = pid;
+ pme->n_1_api = api;
if (clock_gettime(CLOCK_MONOTONIC, &pme->t0) < 0)
LOG_WARN("Failed to set timestamp.");
@@ -1696,11 +1698,11 @@ static struct port_map_entry * flow_req_arr(pid_t pid,
case REG_NAME_FLOW_ACCEPT:
pthread_mutex_unlock(&rne->state_lock);
- pme->n_pid = registry_resolve_api(rne);
- if(pme->n_pid == 0) {
+ pme->n_api = registry_resolve_api(rne);
+ if(pme->n_api == 0) {
pthread_rwlock_unlock(&instance->reg_lock);
pthread_rwlock_unlock(&instance->state_lock);
- LOG_ERR("Invalid pid returned.");
+ LOG_ERR("Invalid api returned.");
return NULL;
}
@@ -1728,7 +1730,7 @@ static struct port_map_entry * flow_req_arr(pid_t pid,
rne->state = REG_NAME_FLOW_ARRIVED;
- reg_instance_wake(reg_entry_get_reg_instance(rne, pme->n_pid));
+ reg_instance_wake(reg_entry_get_reg_instance(rne, pme->n_api));
pthread_mutex_unlock(&rne->state_lock);
@@ -1933,19 +1935,19 @@ void * irm_flow_cleaner()
pthread_mutex_unlock(&e->res_lock);
- if (kill(e->n_pid, 0) < 0) {
+ if (kill(e->n_api, 0) < 0) {
bmp_release(instance->port_ids, e->port_id);
list_del(&e->next);
LOG_INFO("Process %d gone, %d deallocated.",
- e->n_pid, e->port_id);
- ipcp_flow_dealloc(e->n_1_pid, e->port_id);
+ e->n_api, e->port_id);
+ ipcp_flow_dealloc(e->n_1_api, e->port_id);
port_map_entry_destroy(e);
}
- if (kill(e->n_1_pid, 0) < 0) {
+ if (kill(e->n_1_api, 0) < 0) {
list_del(&e->next);
LOG_ERR("IPCP %d gone, flow %d removed.",
- e->n_1_pid, e->port_id);
+ e->n_1_api, e->port_id);
port_map_entry_destroy(e);
}
}
@@ -1962,12 +1964,12 @@ void * irm_flow_cleaner()
list_entry(pos2,
struct reg_instance,
next);
- if (kill(r->pid, 0) < 0) {
+ if (kill(r->api, 0) < 0) {
LOG_INFO("Process %d gone, "
"instance deleted.",
- r->pid);
+ r->api);
registry_remove_ap_instance(e->name,
- r->pid);
+ r->api);
}
}
}
@@ -1995,7 +1997,7 @@ void * mainloop()
buffer_t buffer;
irm_msg_t ret_msg = IRM_MSG__INIT;
struct port_map_entry * e = NULL;
- pid_t * pids = NULL;
+ pid_t * apis = NULL;
ret_msg.code = IRM_MSG_CODE__IRM_REPLY;
@@ -2055,9 +2057,9 @@ void * mainloop()
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.n_apis = list_ipcps(msg->dst_name,
+ &apis);
+ ret_msg.apis = apis;
ret_msg.has_result = true;
break;
case IRM_MSG_CODE__IRM_REG:
@@ -2073,7 +2075,7 @@ void * mainloop()
msg->n_dif_name);
break;
case IRM_MSG_CODE__IRM_FLOW_ACCEPT:
- e = flow_accept(msg->pid,
+ e = flow_accept(msg->api,
msg->ap_name,
&ret_msg.ae_name);
@@ -2082,17 +2084,17 @@ void * mainloop()
ret_msg.has_port_id = true;
ret_msg.port_id = e->port_id;
- ret_msg.has_pid = true;
- ret_msg.pid = e->n_1_pid;
+ ret_msg.has_api = true;
+ ret_msg.api = e->n_1_api;
break;
case IRM_MSG_CODE__IRM_FLOW_ALLOC_RESP:
ret_msg.has_result = true;
- ret_msg.result = flow_alloc_resp(msg->pid,
+ ret_msg.result = flow_alloc_resp(msg->api,
msg->port_id,
msg->response);
break;
case IRM_MSG_CODE__IRM_FLOW_ALLOC:
- e = flow_alloc(msg->pid,
+ e = flow_alloc(msg->api,
msg->dst_name,
msg->ae_name,
NULL);
@@ -2101,8 +2103,8 @@ void * mainloop()
ret_msg.has_port_id = true;
ret_msg.port_id = e->port_id;
- ret_msg.has_pid = true;
- ret_msg.pid = e->n_1_pid;
+ ret_msg.has_api = true;
+ ret_msg.api = e->n_1_api;
break;
case IRM_MSG_CODE__IRM_FLOW_ALLOC_RES:
ret_msg.has_result = true;
@@ -2113,7 +2115,7 @@ void * mainloop()
ret_msg.result = flow_dealloc(msg->port_id);
break;
case IRM_MSG_CODE__IPCP_FLOW_REQ_ARR:
- e = flow_req_arr(msg->pid,
+ e = flow_req_arr(msg->api,
msg->dst_name,
msg->ae_name);
if (e == NULL)
@@ -2121,8 +2123,8 @@ void * mainloop()
ret_msg.has_port_id = true;
ret_msg.port_id = e->port_id;
- ret_msg.has_pid = true;
- ret_msg.pid = e->n_pid;
+ ret_msg.has_api = true;
+ ret_msg.api = e->n_api;
break;
case IRM_MSG_CODE__IPCP_FLOW_ALLOC_REPLY:
ret_msg.has_result = true;
@@ -2143,16 +2145,16 @@ 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);
+ if (apis != NULL)
+ free(apis);
close(cli_sockfd);
continue;
}
buffer.data = malloc(buffer.size);
if (buffer.data == NULL) {
- if (pids != NULL)
- free(pids);
+ if (apis != NULL)
+ free(apis);
close(cli_sockfd);
continue;
}
@@ -2161,14 +2163,14 @@ void * mainloop()
if (write(cli_sockfd, buffer.data, buffer.size) == -1) {
free(buffer.data);
- if (pids != NULL)
- free(pids);
+ if (apis != NULL)
+ free(apis);
close(cli_sockfd);
continue;
}
- if (pids != NULL)
- free(pids);
+ if (apis != NULL)
+ free(apis);
free(buffer.data);
close(cli_sockfd);
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-28 15:04:54 +0000