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author | Sander Vrijders <sander.vrijders@intec.ugent.be> | 2016-12-03 13:24:58 +0000 |
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committer | Sander Vrijders <sander.vrijders@intec.ugent.be> | 2016-12-03 13:24:58 +0000 |
commit | 2e624e2f8e257dae0a997d921bcf79cc8144a142 (patch) | |
tree | 0e26e0987aeaf50f9fd2f4f8a48fe3bc562b7cb1 /src/lib/shm_flow_set.c | |
parent | cfa405bba7ebfa67f3b7b959a4257c7ed1dd20b2 (diff) | |
parent | ef2e50b94fbc7ce1c7dbe1f2ea860e6ab0724726 (diff) | |
download | ouroboros-2e624e2f8e257dae0a997d921bcf79cc8144a142.tar.gz ouroboros-2e624e2f8e257dae0a997d921bcf79cc8144a142.zip |
Merged in dstaesse/ouroboros/be-logs (pull request #316)
lib: Remove logs from stable sources
Diffstat (limited to 'src/lib/shm_flow_set.c')
-rw-r--r-- | src/lib/shm_flow_set.c | 148 |
1 files changed, 60 insertions, 88 deletions
diff --git a/src/lib/shm_flow_set.c b/src/lib/shm_flow_set.c index 6cc94573..4a1bff83 100644 --- a/src/lib/shm_flow_set.c +++ b/src/lib/shm_flow_set.c @@ -27,14 +27,11 @@ #include <ouroboros/fqueue.h> #include <ouroboros/errno.h> -#define OUROBOROS_PREFIX "shm_flow_set" - -#include <ouroboros/logs.h> - #include <pthread.h> #include <sys/mman.h> #include <fcntl.h> #include <stdlib.h> +#include <stdio.h> #include <unistd.h> #include <signal.h> #include <sys/stat.h> @@ -77,16 +74,13 @@ struct shm_flow_set * shm_flow_set_create() sprintf(fn, SHM_FLOW_SET_PREFIX "%d", getpid()); set = malloc(sizeof(*set)); - if (set == NULL) { - LOG_DBG("Could not allocate struct."); + if (set == NULL) return NULL; - } mask = umask(0); shm_fd = shm_open(fn, O_CREAT | O_EXCL | O_RDWR, 0666); if (shm_fd == -1) { - LOG_DBG("Failed creating flag file."); free(set); return NULL; } @@ -94,7 +88,6 @@ struct shm_flow_set * shm_flow_set_create() umask(mask); if (ftruncate(shm_fd, SHM_FLOW_SET_FILE_SIZE - 1) < 0) { - LOG_DBG("Failed to extend flag file."); free(set); close(shm_fd); return NULL; @@ -110,10 +103,7 @@ struct shm_flow_set * shm_flow_set_create() close(shm_fd); if (shm_base == MAP_FAILED) { - LOG_DBG("Failed to map shared memory."); - if (shm_unlink(fn) == -1) - LOG_DBG("Failed to remove invalid shm."); - + shm_unlink(fn); free(set); return NULL; } @@ -160,14 +150,11 @@ struct shm_flow_set * shm_flow_set_open(pid_t api) sprintf(fn, SHM_FLOW_SET_PREFIX "%d", api); set = malloc(sizeof(*set)); - if (set == NULL) { - LOG_DBG("Could not allocate struct."); + if (set == NULL) return NULL; - } shm_fd = shm_open(fn, O_RDWR, 0666); if (shm_fd == -1) { - LOG_DBG("%d failed opening shared memory %s.", getpid(), fn); free(set); return NULL; } @@ -182,9 +169,7 @@ struct shm_flow_set * shm_flow_set_open(pid_t api) close(shm_fd); if (shm_base == MAP_FAILED) { - LOG_DBG("Failed to map shared memory."); - if (shm_unlink(fn) == -1) - LOG_DBG("Failed to remove invalid shm."); + shm_unlink(fn); free(set); return NULL; } @@ -210,18 +195,12 @@ void shm_flow_set_destroy(struct shm_flow_set * set) if (set->api != getpid()) { lf = lockfile_open(); - if (lf == NULL) { - LOG_ERR("Failed to open lockfile."); + if (lf == NULL) return; - } if (lockfile_owner(lf) == getpid()) { - LOG_DBG("Flow set %d destroyed by IRMd %d.", - set->api, getpid()); lockfile_close(lf); } else { - LOG_ERR("AP-I %d tried to destroy flowset owned by %d.", - getpid(), set->api); lockfile_close(lf); return; } @@ -229,11 +208,8 @@ void shm_flow_set_destroy(struct shm_flow_set * set) sprintf(fn, SHM_FLOW_SET_PREFIX "%d", set->api); - if (munmap(set->mtable, SHM_FLOW_SET_FILE_SIZE) == -1) - LOG_DBG("Couldn't unmap shared memory."); - - if (shm_unlink(fn) == -1) - LOG_DBG("Failed to unlink shm."); + munmap(set->mtable, SHM_FLOW_SET_FILE_SIZE); + shm_unlink(fn); free(set); } @@ -242,111 +218,111 @@ void shm_flow_set_close(struct shm_flow_set * set) { assert(set); - if (munmap(set->mtable, SHM_FLOW_SET_FILE_SIZE) == -1) - LOG_DBG("Couldn't unmap shared memory."); + munmap(set->mtable, SHM_FLOW_SET_FILE_SIZE); free(set); } -void shm_flow_set_zero(struct shm_flow_set * shm_set, +void shm_flow_set_zero(struct shm_flow_set * set, size_t idx) { ssize_t i = 0; + assert(set); assert(idx < AP_MAX_FQUEUES); - pthread_mutex_lock(shm_set->lock); + pthread_mutex_lock(set->lock); for (i = 0; i < IRMD_MAX_FLOWS; ++i) - if (shm_set->mtable[i] == (ssize_t) idx) - shm_set->mtable[i] = -1; + if (set->mtable[i] == (ssize_t) idx) + set->mtable[i] = -1; - shm_set->heads[idx] = 0; + set->heads[idx] = 0; - pthread_mutex_unlock(shm_set->lock); + pthread_mutex_unlock(set->lock); } -int shm_flow_set_add(struct shm_flow_set * shm_set, +int shm_flow_set_add(struct shm_flow_set * set, size_t idx, int port_id) { - assert(shm_set); + assert(set); assert(!(port_id < 0) && port_id < IRMD_MAX_FLOWS); assert(idx < AP_MAX_FQUEUES); - pthread_mutex_lock(shm_set->lock); + pthread_mutex_lock(set->lock); - if (shm_set->mtable[port_id] != -1) { - pthread_mutex_unlock(shm_set->lock); + if (set->mtable[port_id] != -1) { + pthread_mutex_unlock(set->lock); return -EPERM; } - shm_set->mtable[port_id] = idx; + set->mtable[port_id] = idx; - pthread_mutex_unlock(shm_set->lock); + pthread_mutex_unlock(set->lock); return 0; } -void shm_flow_set_del(struct shm_flow_set * shm_set, +void shm_flow_set_del(struct shm_flow_set * set, size_t idx, int port_id) { - assert(shm_set); + assert(set); assert(!(port_id < 0) && port_id < IRMD_MAX_FLOWS); assert(idx < AP_MAX_FQUEUES); - pthread_mutex_lock(shm_set->lock); + pthread_mutex_lock(set->lock); - if (shm_set->mtable[port_id] == (ssize_t) idx) - shm_set->mtable[port_id] = -1; + if (set->mtable[port_id] == (ssize_t) idx) + set->mtable[port_id] = -1; - pthread_mutex_unlock(shm_set->lock); + pthread_mutex_unlock(set->lock); } -int shm_flow_set_has(struct shm_flow_set * shm_set, +int shm_flow_set_has(struct shm_flow_set * set, size_t idx, int port_id) { int ret = 0; - assert(shm_set); + assert(set); assert(!(port_id < 0) && port_id < IRMD_MAX_FLOWS); assert(idx < AP_MAX_FQUEUES); - pthread_mutex_lock(shm_set->lock); + pthread_mutex_lock(set->lock); - if (shm_set->mtable[port_id] == (ssize_t) idx) + if (set->mtable[port_id] == (ssize_t) idx) ret = 1; - pthread_mutex_unlock(shm_set->lock); + pthread_mutex_unlock(set->lock); return ret; } -void shm_flow_set_notify(struct shm_flow_set * shm_set, int port_id) +void shm_flow_set_notify(struct shm_flow_set * set, int port_id) { - assert(shm_set); + assert(set); assert(!(port_id < 0) && port_id < IRMD_MAX_FLOWS); - pthread_mutex_lock(shm_set->lock); + pthread_mutex_lock(set->lock); - if (shm_set->mtable[port_id] == -1) { - pthread_mutex_unlock(shm_set->lock); + if (set->mtable[port_id] == -1) { + pthread_mutex_unlock(set->lock); return; } - *(fqueue_ptr(shm_set, shm_set->mtable[port_id]) + - (shm_set->heads[shm_set->mtable[port_id]])++) = port_id; + *(fqueue_ptr(set, set->mtable[port_id]) + + (set->heads[set->mtable[port_id]])++) = port_id; - pthread_cond_signal(&shm_set->conds[shm_set->mtable[port_id]]); + pthread_cond_signal(&set->conds[set->mtable[port_id]]); - pthread_mutex_unlock(shm_set->lock); + pthread_mutex_unlock(set->lock); } -ssize_t shm_flow_set_wait(const struct shm_flow_set * shm_set, +ssize_t shm_flow_set_wait(const struct shm_flow_set * set, size_t idx, int * fqueue, const struct timespec * timeout) @@ -354,17 +330,15 @@ ssize_t shm_flow_set_wait(const struct shm_flow_set * shm_set, ssize_t ret = 0; struct timespec abstime; - assert(shm_set); + assert(set); assert(idx < AP_MAX_FQUEUES); assert(fqueue); #ifdef __APPLE__ - pthread_mutex_lock(shm_set->lock); + pthread_mutex_lock(set->lock); #else - if (pthread_mutex_lock(shm_set->lock) == EOWNERDEAD) { - LOG_DBG("Recovering dead mutex."); - pthread_mutex_consistent(shm_set->lock); - } + if (pthread_mutex_lock(set->lock) == EOWNERDEAD) + pthread_mutex_consistent(set->lock); #endif if (timeout != NULL) { clock_gettime(PTHREAD_COND_CLOCK, &abstime); @@ -372,21 +346,19 @@ ssize_t shm_flow_set_wait(const struct shm_flow_set * shm_set, } pthread_cleanup_push((void(*)(void *))pthread_mutex_unlock, - (void *) shm_set->lock); + (void *) set->lock); - while (shm_set->heads[idx] == 0 && ret != -ETIMEDOUT) { + while (set->heads[idx] == 0 && ret != -ETIMEDOUT) { if (timeout != NULL) - ret = -pthread_cond_timedwait(shm_set->conds + idx, - shm_set->lock, + ret = -pthread_cond_timedwait(set->conds + idx, + set->lock, &abstime); else - ret = -pthread_cond_wait(shm_set->conds + idx, - shm_set->lock); + ret = -pthread_cond_wait(set->conds + idx, + set->lock); #ifndef __APPLE__ - if (ret == -EOWNERDEAD) { - LOG_DBG("Recovering dead mutex."); - pthread_mutex_consistent(shm_set->lock); - } + if (ret == -EOWNERDEAD) + pthread_mutex_consistent(set->lock); #endif if (ret == -ETIMEDOUT) break; @@ -394,10 +366,10 @@ ssize_t shm_flow_set_wait(const struct shm_flow_set * shm_set, if (ret != -ETIMEDOUT) { memcpy(fqueue, - fqueue_ptr(shm_set, idx), - shm_set->heads[idx] * sizeof(int)); - ret = shm_set->heads[idx]; - shm_set->heads[idx] = 0; + fqueue_ptr(set, idx), + set->heads[idx] * sizeof(int)); + ret = set->heads[idx]; + set->heads[idx] = 0; } pthread_cleanup_pop(true); |