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Diffstat (limited to 'src/ipcpd/local/main.c')
-rw-r--r--src/ipcpd/local/main.c101
1 files changed, 41 insertions, 60 deletions
diff --git a/src/ipcpd/local/main.c b/src/ipcpd/local/main.c
index 72bf0e4b..6993cea2 100644
--- a/src/ipcpd/local/main.c
+++ b/src/ipcpd/local/main.c
@@ -33,7 +33,6 @@
#include <ouroboros/bitmap.h>
#include <ouroboros/shared.h>
#include <ouroboros/dev.h>
-
#define OUROBOROS_PREFIX "ipcpd/local"
#include <ouroboros/logs.h>
@@ -133,7 +132,7 @@ void shim_ap_fini()
if (_ap_instance == NULL)
return;
- pthread_mutex_lock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_SHUTDOWN)
LOG_WARN("Cleaning up AP while not in shutdown.");
@@ -152,7 +151,7 @@ void shim_ap_fini()
shm_ap_rbuff_close(_ap_instance->flows[i].rb);
pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(_ap_instance);
}
@@ -187,10 +186,10 @@ static void * ipcp_local_sdu_loop(void * o)
continue;
}
- pthread_mutex_lock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return (void *) 1; /* -ENOTENROLLED */
}
@@ -198,7 +197,7 @@ static void * ipcp_local_sdu_loop(void * o)
fd = _ap_instance->in_out[port_id_to_fd(e->port_id)];
if (fd == -1) {
pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(e);
continue;
}
@@ -209,7 +208,7 @@ static void * ipcp_local_sdu_loop(void * o)
;
pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(e);
}
@@ -229,25 +228,14 @@ void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
case SIGHUP:
case SIGQUIT:
if (info->si_pid == irmd_api) {
- bool clean_threads = false;
LOG_DBG("Terminating by order of %d. Bye.",
info->si_pid);
- pthread_mutex_lock(&_ipcp->state_lock);
-
- if (_ipcp->state == IPCP_ENROLLED)
- clean_threads = true;
-
- _ipcp->state = IPCP_SHUTDOWN;
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ ipcp_set_state(_ipcp, IPCP_SHUTDOWN);
- if (clean_threads) {
- pthread_cancel(_ap_instance->sduloop);
- pthread_join(_ap_instance->sduloop, NULL);
- }
-
- pthread_cancel(_ap_instance->mainloop);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
}
default:
return;
@@ -261,22 +249,22 @@ static int ipcp_local_bootstrap(struct dif_config * conf)
return -1;
}
- pthread_mutex_lock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
- if (_ipcp->state != IPCP_INIT) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ if (ipcp_get_state(_ipcp) != IPCP_INIT) {
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("IPCP in wrong state.");
return -1;
}
- _ipcp->state = IPCP_ENROLLED;
+ ipcp_set_state(_ipcp, IPCP_ENROLLED);
pthread_create(&_ap_instance->sduloop,
NULL,
ipcp_local_sdu_loop,
NULL);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Bootstrapped local IPCP with api %d.",
getpid());
@@ -286,21 +274,15 @@ static int ipcp_local_bootstrap(struct dif_config * conf)
static int ipcp_local_name_reg(char * name)
{
- pthread_mutex_lock(&_ipcp->state_lock);
-
- if (_ipcp->state != IPCP_ENROLLED) {
- pthread_mutex_unlock(&_ipcp->state_lock);
- LOG_DBGF("Won't register with non-enrolled IPCP.");
- return -1; /* -ENOTENROLLED */
- }
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (ipcp_data_add_reg_entry(_ipcp->data, name)) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Failed to add %s to local registry.", name);
return -1;
}
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Registered %s.", name);
@@ -309,11 +291,11 @@ static int ipcp_local_name_reg(char * name)
static int ipcp_local_name_unreg(char * name)
{
- pthread_mutex_lock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
ipcp_data_del_reg_entry(_ipcp->data, name);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return 0;
}
@@ -336,17 +318,17 @@ static int ipcp_local_flow_alloc(pid_t n_api,
/* This ipcpd has all QoS */
- pthread_mutex_lock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
- if (_ipcp->state != IPCP_ENROLLED) {
- pthread_mutex_unlock(&_ipcp->state_lock);
- LOG_DBGF("Won't allocate flow with non-enrolled IPCP.");
+ if (ipcp_get_state(_ipcp) != IPCP_ENROLLED) {
+ pthread_rwlock_unlock(&_ipcp->state_lock);
+ LOG_DBGF("Won't register with non-enrolled IPCP.");
return -1; /* -ENOTENROLLED */
}
rb = shm_ap_rbuff_open(n_api);
if (rb == NULL) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1; /* -ENORBUFF */
}
@@ -355,7 +337,7 @@ static int ipcp_local_flow_alloc(pid_t n_api,
in_fd = bmp_allocate(_ap_instance->fds);
if (!bmp_is_id_valid(_ap_instance->fds, in_fd)) {
pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -EMFILE;
}
@@ -372,7 +354,7 @@ static int ipcp_local_flow_alloc(pid_t n_api,
if (port_id < 0) {
pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Could not get port id from IRMd");
/* shm_ap_rbuff_close(n_api); */
return -1;
@@ -382,7 +364,7 @@ static int ipcp_local_flow_alloc(pid_t n_api,
if (!bmp_is_id_valid(_ap_instance->fds, out_fd)) {
/* shm_ap_rbuff_close(n_api); */
pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1; /* -ENOMOREFDS */
}
@@ -394,7 +376,7 @@ static int ipcp_local_flow_alloc(pid_t n_api,
_ap_instance->in_out[out_fd] = in_fd;
pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Pending local allocation request, port_id %d.", port_id);
@@ -413,7 +395,7 @@ static int ipcp_local_flow_alloc_resp(pid_t n_api,
if (response)
return 0;
- pthread_mutex_lock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
/* awaken pending flow */
@@ -422,14 +404,14 @@ static int ipcp_local_flow_alloc_resp(pid_t n_api,
in_fd = port_id_to_fd(port_id);
if (in_fd < 0) {
pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Could not find flow with port_id %d.", port_id);
return -1;
}
if (_ap_instance->flows[in_fd].state != FLOW_PENDING) {
pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Flow was not pending.");
return -1;
}
@@ -441,7 +423,7 @@ static int ipcp_local_flow_alloc_resp(pid_t n_api,
_ap_instance->flows[in_fd].port_id = -1;
_ap_instance->in_out[in_fd] = -1;
pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1;
}
@@ -453,7 +435,7 @@ static int ipcp_local_flow_alloc_resp(pid_t n_api,
out_fd = _ap_instance->in_out[in_fd];
if (out_fd < 0) {
pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("No pending local flow with port_id %d.", port_id);
return -1;
}
@@ -461,7 +443,7 @@ static int ipcp_local_flow_alloc_resp(pid_t n_api,
if (_ap_instance->flows[out_fd].state != FLOW_PENDING) {
/* FIXME: clean up other end */
pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Flow was not pending.");
return -1;
}
@@ -469,7 +451,7 @@ static int ipcp_local_flow_alloc_resp(pid_t n_api,
_ap_instance->flows[out_fd].state = FLOW_ALLOCATED;
pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if ((ret = ipcp_flow_alloc_reply(getpid(),
_ap_instance->flows[out_fd].port_id,
@@ -489,13 +471,13 @@ static int ipcp_local_flow_dealloc(int port_id)
int fd = -1;
struct shm_ap_rbuff * rb;
- pthread_mutex_lock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
pthread_rwlock_wrlock(&_ap_instance->flows_lock);
fd = port_id_to_fd(port_id);
if (fd < 0) {
pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Could not find flow with port_id %d.", port_id);
return 0;
}
@@ -517,7 +499,7 @@ static int ipcp_local_flow_dealloc(int port_id)
if (rb != NULL)
shm_ap_rbuff_close(rb);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Flow with port_id %d deallocated.", port_id);
@@ -611,16 +593,12 @@ int main(int argc, char * argv[])
exit(EXIT_FAILURE);
}
- pthread_mutex_lock(&_ipcp->state_lock);
-
pthread_sigmask(SIG_BLOCK, &sigset, NULL);
pthread_create(&_ap_instance->mainloop, NULL, ipcp_main_loop, _ipcp);
pthread_sigmask(SIG_UNBLOCK, &sigset, NULL);
- pthread_mutex_unlock(&_ipcp->state_lock);
-
if (ipcp_create_r(getpid())) {
LOG_ERR("Failed to notify IRMd we are initialized.");
close_logfile();
@@ -629,6 +607,9 @@ int main(int argc, char * argv[])
pthread_join(_ap_instance->mainloop, NULL);
+ pthread_cancel(_ap_instance->sduloop);
+ pthread_join(_ap_instance->sduloop, NULL);
+
shim_ap_fini();
ipcp_data_destroy(_ipcp->data);
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-26 18:35:10 +0000