From 68d23225a38a35f1325eb39fa4ed5a005d5de473 Mon Sep 17 00:00:00 2001 From: fujuntang <fujuntang@aiot.com> Date: 星期三, 11 八月 2021 09:50:20 +0800 Subject: [PATCH] fix from 3.1 first commit --- src/socket/shm_socket.cpp | 782 ++++++++++++++++++++++++++++++++++++------------------- 1 files changed, 510 insertions(+), 272 deletions(-) diff --git a/src/socket/shm_socket.cpp b/src/socket/shm_socket.cpp index 6781380..978eda9 100644 --- a/src/socket/shm_socket.cpp +++ b/src/socket/shm_socket.cpp @@ -4,101 +4,83 @@ #include <map> #include <cassert> #include "bus_error.h" +#include "sole.h" +#include "shm_mm.h" +#include "key_def.h" static Logger *logger = LoggerFactory::getLogger(); +ShmQueueStMap * shmQueueStMap ; - -static void print_msg(char *head, shm_msg_t &msg) { +static void print_msg(char *head, shm_packet_t &msg) { // err_msg(0, "%s: key=%d, type=%d\n", head, msg.key, msg.type); } static pthread_once_t _once_ = PTHREAD_ONCE_INIT; -static pthread_key_t _perthread_socket_key_; +static pthread_key_t _localthread_socket_key_; - +static void _destrory_threadlocal_socket_(void *tmp_socket); +static void _create_threadlocal_socket_key_(void); + +static int shm_recvpakfrom(shm_socket_t *sockt, shm_packet_t *recvpak , const struct timespec *timeout, int flag); + + +static int shm_sendpakto(shm_socket_t *sockt, shm_packet_t *sendpak, + const int key, const struct timespec *timeout, const int flag); +static int _shm_sendandrecv_uuid(shm_socket_t *sockt, const void *send_buf, + const int send_size, const int key, void **recv_buf, + int *recv_size, const struct timespec *timeout, int flags); -static void _destrory_socket_perthread(void *tmp_socket); -static void _create_socket_key_perthread(void); - -// 妫�鏌ey鏄惁宸茬粡琚娇鐢紝鏄繑鍥�0, 鍚﹁繑鍥�1 -// static int _shm_socket_check_key(shm_socket_t *socket) { -// void *tmp_ptr = mm_get_by_key(socket->key); -// if (tmp_ptr!= NULL && tmp_ptr != (void *)1 && !socket->force_bind ) { -// bus_errno = EBUS_KEY_INUSED; -// logger->error("%s. key = %d ", bus_strerror(EBUS_KEY_INUSED), socket->key); -// return 0; -// } -// return 1; -// } +static int _shm_sendandrecv_thread_local(shm_socket_t *sockt, const void *send_buf, + const int send_size, const int send_key, void **recv_buf, + int *recv_size, const struct timespec *timeout, int flags) ; // 妫�鏌ey鏄惁宸茬粡琚娇鐢紝 鏈浣跨敤鍒欑粦瀹歬ey -static LockFreeQueue<shm_msg_t> * shm_socket_bind_queue(int key, bool force) { +static LockFreeQueue<shm_packet_t> * shm_socket_bind_queue(int key, bool force) { hashtable_t *hashtable = mm_get_hashtable(); - LockFreeQueue<shm_msg_t> *queue; - hashtable_lock(hashtable); + LockFreeQueue<shm_packet_t> *queue; void *tmp_ptr = hashtable_get(hashtable, key); - if (tmp_ptr == NULL || tmp_ptr == (void *)1 ) { - queue = new LockFreeQueue<shm_msg_t>(16); + queue = new LockFreeQueue<shm_packet_t>(32); hashtable_put(hashtable, key, (void *)queue); - hashtable_unlock(hashtable); return queue; } else if(force) { - hashtable_unlock(hashtable); - return (LockFreeQueue<shm_msg_t> *) queue; + return (LockFreeQueue<shm_packet_t> *) tmp_ptr; } - hashtable_unlock(hashtable); return NULL; } /** * 缁戝畾key鍒伴槦鍒楋紝浣嗘槸骞朵笉浼氬垱寤洪槦鍒椼�� */ -static LockFreeQueue<shm_msg_t> * shm_socket_attach_queue(int key) { - LockFreeQueue<shm_msg_t> * queue; +static LockFreeQueue<shm_packet_t> * shm_socket_attach_queue(int key) { + LockFreeQueue<shm_packet_t> * queue; hashtable_t *hashtable = mm_get_hashtable(); - // hashtable_lock(hashtable); void *tmp_ptr = hashtable_get(hashtable, key); if (tmp_ptr == NULL || tmp_ptr == (void *)1) { - //logger->error("shm_socket._remote_queue_attach锛歝onnet at key %d failed!", key); return NULL; } - queue = ( LockFreeQueue<shm_msg_t> *)tmp_ptr; + queue = ( LockFreeQueue<shm_packet_t> *)tmp_ptr; // hashtable_unlock(hashtable); return queue; } - -size_t shm_socket_remove_keys(int keys[], size_t length) { - hashtable_t *hashtable = mm_get_hashtable(); - LockFreeQueue<shm_msg_t> *mqueue; - size_t count = 0; - for(int i = 0; i< length; i++) { - // 閿�姣佸叡浜唴瀛樼殑queue - mqueue = (LockFreeQueue<shm_msg_t> *)hashtable_get(hashtable, keys[i]); - delete mqueue; - hashtable_remove(hashtable, keys[i]); - count++; - } - return count; -} - -shm_socket_t *shm_open_socket(shm_socket_type_t socket_type) { +shm_socket_t *shm_socket_open(shm_socket_type_t socket_type) { int s, type; pthread_mutexattr_t mtxAttr; - logger->debug("shm_open_socket\n"); - shm_socket_t *socket = (shm_socket_t *)calloc(1, sizeof(shm_socket_t)); - socket->socket_type = socket_type; - socket->key = 0; - socket->force_bind = false; - socket->queue = NULL; + logger->debug("shm_socket_open\n"); + // shm_socket_t *socket = (shm_socket_t *)calloc(1, sizeof(shm_socket_t)); + shm_socket_t *sockt = new shm_socket_t; + sockt->socket_type = socket_type; + sockt->key = 0; + sockt->force_bind = false; + sockt->queue = NULL; s = pthread_mutexattr_init(&mtxAttr); @@ -107,7 +89,7 @@ s = pthread_mutexattr_settype(&mtxAttr, PTHREAD_MUTEX_ERRORCHECK); if (s != 0) err_exit(s, "pthread_mutexattr_settype"); - s = pthread_mutex_init(&(socket->mutex), &mtxAttr); + s = pthread_mutex_init(&(sockt->mutex), &mtxAttr); if (s != 0) err_exit(s, "pthread_mutex_init"); @@ -115,197 +97,213 @@ if (s != 0) err_exit(s, "pthread_mutexattr_destroy"); - return socket; + + shmQueueStMap = shm_mm_attach<ShmQueueStMap>(SHM_QUEUE_ST_KEY); + + return sockt; } -int shm_close_socket(shm_socket_t *socket) { - - int s; - - logger->debug("shm_close_socket\n"); - if(socket->queue != NULL) { - delete socket->queue; - socket->queue = NULL; - } - s = pthread_mutex_destroy(&(socket->mutex) ); - if(s != 0) { - err_exit(s, "shm_close_socket"); - } - - free(socket); - return 0; -} - -// int shm_close_socket(shm_socket_t *socket) { +static int _shm_socket_close_(shm_socket_t *sockt) { -// // _destrory_socket_perthread((shm_socket_t *)pthread_getspecific(_perthread_socket_key_)); + int rv, i; + hashtable_t *hashtable = mm_get_hashtable(); + logger->debug("shm_socket_close\n"); -// return shm_close_socket(socket);; -// } -int shm_socket_bind(shm_socket_t *socket, int key) { - socket->key = key; + // if(sockt->key != 0) { + // auto it = shmQueueStMap->find(sockt->key); + // if(it != shmQueueStMap->end()) { + // it->second.status = SHM_QUEUE_ST_CLOSED; + // it->second.closeTime = time(NULL); + // } + // } + + + + if(sockt->queue != NULL) { + sockt->queue->close(); + for( i = 0; i < sockt->queue->size(); i++) { + mm_free((*(sockt->queue))[i].buf); + logger->info("======= %d free queue element buf\n", sockt->key); + } + sleep(1); + + hashtable_remove(hashtable, sockt->key); + // sockt->queue = NULL; + } + + pthread_mutex_destroy(&(sockt->mutex) ); + free(sockt); return 0; } -int shm_socket_force_bind(shm_socket_t *socket, int key) { - socket->force_bind = true; - socket->key = key; + +int shm_socket_close(shm_socket_t *sockt) { + + shm_socket_t * threadlocal_socket = (shm_socket_t *)pthread_getspecific(_localthread_socket_key_); + if(threadlocal_socket != NULL) { + _destrory_threadlocal_socket_(threadlocal_socket); + } + return _shm_socket_close_(sockt); +} + + +int shm_socket_stop(shm_socket_t *sockt) { + struct timespec timeout = {5, 0}; + shm_packet_t sendpak = {0}; + sendpak.key = sockt->key; + sendpak.action = BUS_ACTION_STOP; + sendpak.size = 0; + return shm_sendpakto(sockt, &sendpak, sockt->key, &timeout, BUS_TIMEOUT_FLAG); +} + +int shm_socket_bind(shm_socket_t *sockt, int key) { + sockt->key = key; return 0; } -int shm_socket_get_key(shm_socket_t *sk){ - return sk->key; +int shm_socket_force_bind(shm_socket_t *sockt, int key) { + sockt->force_bind = true; + sockt->key = key; + return 0; } - - +int shm_socket_get_key(shm_socket_t *sockt){ + return sockt->key; +} // 鐭繛鎺ユ柟寮忓彂閫� int shm_sendto(shm_socket_t *sockt, const void *buf, const int size, const int key, const struct timespec *timeout, const int flag) { - int s; int rv; - - if (sockt->socket_type != SHM_SOCKET_DGRAM) { - logger->error( "shm_socket.shm_sendto: Can't invoke shm_sendto method in a %d type socket which is " - "not a SHM_SOCKET_DGRAM socket ", - sockt->socket_type); - exit(0); - } - hashtable_t *hashtable = mm_get_hashtable(); - - if ((s = pthread_mutex_lock(&(sockt->mutex))) != 0) - err_exit(s, "shm_sendto : pthread_mutex_lock"); - - if (sockt->queue == NULL) { - if (sockt->key == 0) { - sockt->key = hashtable_alloc_key(hashtable); - } - sockt->queue = shm_socket_bind_queue( sockt->key, sockt->force_bind); - if(sockt->queue == NULL ) { - logger->error("%s. key = %d", bus_strerror(EBUS_KEY_INUSED), sockt->key); - return EBUS_KEY_INUSED; - } + shm_packet_t sendpak = {0}; + sendpak.key = sockt->key; + sendpak.size = size; + if(buf != NULL) { + sendpak.buf = mm_malloc(size); + memcpy(sendpak.buf, buf, size); } - - if ((s = pthread_mutex_unlock(&(sockt->mutex))) != 0) - err_exit(s, "shm_sendto : pthread_mutex_unlock"); - - // There is some case where a sockt need to send to himeself, for example when bus server need to stop, he need to send himself - // a top message. - - if (key == sockt->key) { - logger->error( "can not send to your self!"); - return EBUS_SENDTO_SELF; - } - - LockFreeQueue<shm_msg_t> *remoteQueue; - if ((remoteQueue = shm_socket_attach_queue(key)) == NULL) { - bus_errno = EBUS_CLOSED; - logger->error("sendto key %d failed, %s", key, bus_strerror(bus_errno)); - return EBUS_CLOSED; - } - - shm_msg_t dest; - dest.type = SHM_COMMON_MSG; - dest.key = sockt->key; - dest.size = size; - dest.buf = mm_malloc(size); - memcpy(dest.buf, buf, size); - - rv = remoteQueue->push(dest, timeout, flag); - - if (rv == 0) { - printf("%d sendto %d suc.\n", shm_socket_get_key(sockt), key); - return 0; - } else { - mm_free(dest.buf); - if(rv == ETIMEDOUT) - return EBUS_TIMEOUT; - else { - logger->debug("====%d sendto key %d failed %s", shm_socket_get_key(sockt), key, bus_strerror(rv)); - return rv; - } - } + + rv = shm_sendpakto(sockt, &sendpak, key, timeout, flag); + return rv; } +int shm_sendandrecv(shm_socket_t *sockt, const void *send_buf, + const int send_size, const int key, void **recv_buf, + int *recv_size, const struct timespec *timeout, int flags) { + // return _shm_sendandrecv_uuid(sockt, send_buf, send_size, key, recv_buf, recv_size, timeout, flags); + return _shm_sendandrecv_thread_local(sockt, send_buf, send_size, key, recv_buf, recv_size, timeout, flags); +} + + +/** + * @callback void (*recvandsend_callback_fn)(void *recvbuf, int recvsize, int key, void **sendbuf, int *sendsize) + * sendbuf 鍜� sendsize鏄痗allbak_fn鍥炶皟鍑芥暟鐨勮繑鍥炲��, 鍒嗗埆琛ㄧず鍙戦�佹暟鎹紝鍜屽彂閫佹暟鎹殑澶у皬銆� + * + */ +int shm_recvandsend(shm_socket_t *sockt, recvandsend_callback_fn callback, + const struct timespec *timeout, int flag, void *user_data) { + + int rv; + + void *sendbuf, *recvbuf = NULL; + int sendsize = 0; + shm_packet_t recvpak = {0}; + + rv = shm_recvpakfrom(sockt , &recvpak, timeout, flag); + + if (rv != 0) { + if(rv == ETIMEDOUT){ + logger->debug("%d shm_recvandsend failed %s", shm_socket_get_key(sockt), bus_strerror(EBUS_TIMEOUT)); + return EBUS_TIMEOUT; + } + + logger->error("%d shm_recvandsend failed %s", shm_socket_get_key(sockt), bus_strerror(rv)); + return rv; + } + + if(recvpak.buf != NULL) { + recvbuf = malloc(recvpak.size); + memcpy(recvbuf, recvpak.buf, recvpak.size); + mm_free(recvpak.buf); + } + + callback(recvbuf, recvpak.size, recvpak.key, &sendbuf, &sendsize, user_data); + + shm_packet_t sendpak = {0}; + sendpak.key = sockt->key; + sendpak.size = sendsize; + memcpy(sendpak.uuid, recvpak.uuid, sizeof(sendpak.uuid)); + if(sendbuf !=NULL && sendsize > 0) { + sendpak.buf = mm_malloc(sendsize); + memcpy(sendpak.buf, sendbuf, sendsize); + } else { + + logger->warn("%d shm_recvandsend : sendbuf is null", shm_socket_get_key(sockt)); + // return -1; + } + + rv = shm_sendpakto(sockt, &sendpak, recvpak.key, timeout, flag); + + return 0; + +} // 鐭繛鎺ユ柟寮忔帴鍙� -int shm_recvfrom(shm_socket_t *sokt, void **buf, int *size, int *key, const struct timespec *timeout, int flag) { - int s; +int shm_recvfrom(shm_socket_t *sockt, void **buf, int *size, int *key, const struct timespec *timeout, int flag) { int rv; - - if (sokt->socket_type != SHM_SOCKET_DGRAM) { - logger->error("shm_socket.shm_recvfrom: Can't invoke shm_recvfrom method in a %d type socket which " - "is not a SHM_SOCKET_DGRAM socket ", - sokt->socket_type); - exit(1); - } - hashtable_t *hashtable = mm_get_hashtable(); - - if ((s = pthread_mutex_lock(&(sokt->mutex))) != 0) - err_exit(s, "shm_recvfrom : pthread_mutex_lock"); - - if (sokt->queue == NULL) { - if (sokt->key == 0) { - sokt->key = hashtable_alloc_key(hashtable); - } - sokt->queue = shm_socket_bind_queue( sokt->key, sokt->force_bind); - if(sokt->queue == NULL ) { - logger->error("%s. key = %d", bus_strerror(EBUS_KEY_INUSED), sokt->key); - return EBUS_KEY_INUSED; - } - } - if ((s = pthread_mutex_unlock(&(sokt->mutex))) != 0) - err_exit(s, "shm_recvfrom : pthread_mutex_unlock"); + shm_packet_t recvpak; + rv = shm_recvpakfrom(sockt , &recvpak, timeout, flag); - shm_msg_t src; - - rv = sokt->queue->pop(src, timeout, flag); + if (rv != 0) { - if (rv == 0) { - if(buf != NULL) { - void *_buf = malloc(src.size); - memcpy(_buf, src.buf, src.size); + logger->debug("%d shm_recvfrom failed %s", shm_socket_get_key(sockt), bus_strerror(rv)); + return rv; + + } + + if(recvpak.buf != NULL) { + if (buf == NULL) { + logger->warn("!!!Alert: buf should be not NULL!\n"); + } else { + void *_buf = malloc(recvpak.size); + memcpy(_buf, recvpak.buf, recvpak.size); *buf = _buf; } - - if(size != NULL) - *size = src.size; - - if(key != NULL) - *key = src.key; - - mm_free(src.buf); - return 0; - } else { - if(rv == ETIMEDOUT) - return EBUS_TIMEOUT; - else { - logger->debug("%d shm_recvfrom failed %s", shm_socket_get_key(sockt), bus_strerror(rv)); - return rv; - } - - } + + if(size != NULL) + *size = recvpak.size; + + if(key != NULL) + *key = recvpak.key; + + if(recvpak.key == 0) { + err_exit(0, "key = %d, pid= %d, recvpak.key == 0", shm_socket_get_key(sockt), getpid()); + } + mm_free(recvpak.buf); + return 0; } +// ================================================================================================= + /* Free thread-specific data buffer */ -static void _destrory_socket_perthread(void *tmp_socket) +static void _destrory_threadlocal_socket_(void *tmp_socket) { int rv; + + logger->debug("%lu destroy threadlocal socket\n", pthread_self()); + if(tmp_socket == NULL) return; - - logger->debug("%d destroy tmp socket\n", pthread_self()); - shm_close_socket((shm_socket_t *)tmp_socket); - rv = pthread_setspecific(_perthread_socket_key_, NULL); + + _shm_socket_close_((shm_socket_t *)tmp_socket); + rv = pthread_setspecific(_localthread_socket_key_, NULL); if ( rv != 0) { logger->error(rv, "shm_sendandrecv : pthread_setspecific"); exit(1); @@ -313,133 +311,373 @@ } /* One-time key creation function */ -static void _create_socket_key_perthread(void) +static void _create_threadlocal_socket_key_(void) { int s; /* Allocate a unique thread-specific data key and save the address of the destructor for thread-specific data buffers */ - s = pthread_key_create(&_perthread_socket_key_, _destrory_socket_perthread); - //s = pthread_key_create(&_perthread_socket_key_, NULL); + s = pthread_key_create(&_localthread_socket_key_, _destrory_threadlocal_socket_); + //s = pthread_key_create(&_localthread_socket_key_, NULL); if (s != 0) { logger->error(s, "pthread_key_create"); - abort(); /* dump core and terminate */ exit(1); } } -// use thread local -int _shm_sendandrecv_thread_local(shm_socket_t *socket, const void *send_buf, - const int send_size, const int send_key, void **recv_buf, +static int _shm_sendandrecv_uuid(shm_socket_t *sockt, const void *send_buf, + const int send_size, const int key, void **recv_buf, int *recv_size, const struct timespec *timeout, int flags) { - int recv_key; - int rv; - // 鐢╰hread local 淇濊瘉姣忎釜绾跨▼鐢ㄤ竴涓嫭鍗犵殑socket鎺ュ彈瀵规柟杩斿洖鐨勪俊鎭� - shm_socket_t *tmp_socket; + int rv, tryn = 16; + shm_packet_t sendpak; + shm_packet_t recvpak; + std::map<std::string, shm_packet_t>::iterator recvbufIter; - if (socket->socket_type != SHM_SOCKET_DGRAM) { - logger->error( "shm_socket.shm_sendandrecv: Can't invoke shm_sendandrecv method in a %d type socket " - "which is not a SHM_SOCKET_DGRAM socket ", - socket->socket_type); - exit(1); + std::string uuid = sole::uuid4().str(); + + sendpak.key = sockt->key; + sendpak.size = send_size; + if(send_buf != NULL) { + sendpak.buf = mm_malloc(send_size); + memcpy(sendpak.buf, send_buf, send_size); + } + memcpy(sendpak.uuid, uuid.c_str(), uuid.length() + 1); + // uuid.copy(sendpak.uuid, sizeof sendpak.uuid); + rv = shm_sendpakto(sockt, &sendpak, key, timeout, flags); + + if(rv != 0) { + return rv; + } + + while(tryn > 0) { + tryn--; + recvbufIter = sockt->recvbuf.find(uuid); + if(recvbufIter != sockt->recvbuf.end()) { + // 鍦ㄧ紦瀛橀噷鏌ュ埌浜哢UID鍖归厤鎴愬姛鐨� +logger->debug("get from recvbuf: %s", uuid.c_str()); + recvpak = recvbufIter->second; + sockt->recvbuf.erase(recvbufIter); + goto LABLE_SUC; + } + + rv = shm_recvpakfrom(sockt, &recvpak, timeout, flags); + + if (rv != 0) { + + if(rv == ETIMEDOUT) { + return EBUS_TIMEOUT; + } + + logger->debug("%d shm_recvfrom failed %s", shm_socket_get_key(sockt), bus_strerror(rv)); + return rv; + } + +logger->debug("send uuid:%s, recv uuid: %s", uuid.c_str(), recvpak.uuid); + if(strlen(recvpak.uuid) == 0) { + continue; + } else if (strncmp(uuid.c_str(), recvpak.uuid, sizeof(recvpak.uuid)) == 0) { + // 鍙戦�佷笌鎺ュ彈鐨刄UID鍖归厤鎴愬姛 + goto LABLE_SUC; + } else { + // 绛旈潪鎵�闂紝鏀惧埌缂撳瓨閲� + sockt->recvbuf.insert({recvpak.uuid, recvpak}); + continue; + } + } + +LABLE_FAIL: + return EBUS_RECVFROM_WRONG_END; + +LABLE_SUC: + if(recv_buf != NULL) { + void *_buf = malloc(recvpak.size); + memcpy(_buf, recvpak.buf, recvpak.size); + *recv_buf = _buf; + mm_free(recvpak.buf); } + if(recv_size != NULL) + *recv_size = recvpak.size; - rv = pthread_once(&_once_, _create_socket_key_perthread); + return 0; +} + +// use thread local +static int _shm_sendandrecv_thread_local(shm_socket_t *sockt, const void *send_buf, + const int send_size, const int key, void **recv_buf, + int *recv_size, const struct timespec *timeout, int flags) { + + + int rv = 0, tryn = 16; + static int Counter_suc = 0; + static int Counter_fail = 0; + shm_packet_t sendpak; + shm_packet_t recvpak; + std::map<int, shm_packet_t>::iterator recvbufIter; + // 鐢╰hread local 淇濊瘉姣忎釜绾跨▼鐢ㄤ竴涓嫭鍗犵殑socket鎺ュ彈瀵规柟杩斿洖鐨勪俊鎭� + shm_socket_t *tmp_socket = NULL; + + rv = pthread_once(&_once_, _create_threadlocal_socket_key_); if (rv != 0) { logger->error(rv, "shm_sendandrecv pthread_once"); exit(1); } - tmp_socket = (shm_socket_t *)pthread_getspecific(_perthread_socket_key_); + tmp_socket = (shm_socket_t *)pthread_getspecific(_localthread_socket_key_); if (tmp_socket == NULL) { /* If first call from this thread, allocate buffer for thread, and save its location */ - logger->debug("%ld create tmp socket\n", (long)pthread_self() ); - tmp_socket = shm_open_socket(SHM_SOCKET_DGRAM); + tmp_socket = shm_socket_open(SHM_SOCKET_DGRAM); - rv = pthread_setspecific(_perthread_socket_key_, tmp_socket); + rv = pthread_setspecific(_localthread_socket_key_, tmp_socket); if ( rv != 0) { logger->error(rv, "shm_sendandrecv : pthread_setspecific"); exit(1); } } + + sendpak.key = tmp_socket->key; + sendpak.size = send_size; + if(send_buf != NULL) { + sendpak.buf = mm_malloc(send_size); + memcpy(sendpak.buf, send_buf, send_size); + } + rv = shm_sendpakto(tmp_socket, &sendpak, key, timeout, flags); - if ((rv = shm_sendto(tmp_socket, send_buf, send_size, send_key, timeout, flags)) == 0) { - rv = shm_recvfrom(tmp_socket, recv_buf, recv_size, &recv_key, timeout, flags); - if(rv != 0) { - printf("_shm_sendandrecv_thread_local : %s\n", bus_strerror(rv)); - } - else if(rv == 0 ) { - assert( send_key == recv_key); - if(send_key != recv_key) { - err_exit(0, "_shm_sendandrecv_thread_local: send key expect to equal to recv key! send key =%d , recv key=%d", send_key, recv_key); - } - - } - return rv; - } else { + if(rv != 0) { return rv; } + + while(tryn > 0) { + tryn--; + recvbufIter = tmp_socket->recvbuf2.find(key); + if(recvbufIter != tmp_socket->recvbuf2.end()) { + // 鍦ㄧ紦瀛橀噷鏌ュ埌浜唊ey鍖归厤鎴愬姛鐨� + recvpak = recvbufIter->second; + tmp_socket->recvbuf2.erase(recvbufIter); + goto LABLE_SUC; + } + + rv = shm_recvpakfrom(tmp_socket, &recvpak, timeout, flags); + + if (rv != 0) { + logger->debug("%d shm_recvfrom failed %s", shm_socket_get_key(tmp_socket), bus_strerror(rv)); + return rv; + } + + if (key == recvpak.key) { + // 鍙戦�佷笌鎺ュ彈鐨刄UID鍖归厤鎴愬姛 + goto LABLE_SUC; + } else { + // 绛旈潪鎵�闂紝鏀惧埌缂撳瓨閲� + tmp_socket->recvbuf2.insert({recvpak.key, recvpak}); + continue; + } + } + +LABLE_FAIL: + return EBUS_RECVFROM_WRONG_END; + +LABLE_SUC: + if(recv_buf != NULL) { + void *_buf = malloc(recvpak.size); + memcpy(_buf, recvpak.buf, recvpak.size); + *recv_buf = _buf; + mm_free(recvpak.buf); + } + + if(recv_size != NULL) + *recv_size = recvpak.size; + + + return 0; } -int _shm_sendandrecv_alloc_new(shm_socket_t *sockt, const void *send_buf, +static int _shm_sendandrecv_alloc_new(shm_socket_t *sockt, const void *send_buf, const int send_size, const int send_key, void **recv_buf, int *recv_size, const struct timespec *timeout, int flags) { int recv_key; int rv; - // 鐢╰hread local 淇濊瘉姣忎釜绾跨▼鐢ㄤ竴涓嫭鍗犵殑socket鎺ュ彈瀵规柟杩斿洖鐨勪俊鎭� + int tryn = 0; shm_socket_t *tmp_socket; - - if (sockt->socket_type != SHM_SOCKET_DGRAM) { - logger->error( "shm_socket.shm_sendandrecv: Can't invoke shm_sendandrecv method in a %d type socket " - "which is not a SHM_SOCKET_DGRAM socket ", - sockt->socket_type); - exit(1); - } - /* If first call from this thread, allocate buffer for thread, and save its location */ - // logger->debug("%d create tmp socket\n", pthread_self() ); - tmp_socket = shm_open_socket(SHM_SOCKET_DGRAM); + + tmp_socket = shm_socket_open(SHM_SOCKET_DGRAM); if ((rv = shm_sendto(tmp_socket, send_buf, send_size, send_key, timeout, flags)) == 0) { rv = shm_recvfrom(tmp_socket, recv_buf, recv_size, &recv_key, timeout, flags); - if(rv != 0) { - printf("_shm_sendandrecv_alloc_new : %s\n", bus_strerror(rv)); - } - else if(rv == 0 ) { - printf("======%d use tmp_socket %d, send to %d, receive from %d\n", shm_socket_get_key(sockt), shm_socket_get_key(tmp_socket), send_key, recv_key); - - if(recv_key == shm_socket_get_key(sockt)) { - printf("=====鏀跺埌浜嗚嚜宸卞彂缁欒嚜宸辩殑娑堟伅\n"); - } - assert( send_key == recv_key); - if(send_key != recv_key) { - err_exit(0, "_shm_sendandrecv_alloc_new: send key expect to equal to recv key! send key =%d , recv key=%d", send_key, recv_key); + while(tryn < 3) { + tryn++; + rv = shm_recvfrom(tmp_socket, recv_buf, recv_size, &recv_key, timeout, flags); + if(rv != 0) { + logger->error("_shm_sendandrecv_alloc_new : %s\n", bus_strerror(rv)); + return rv; } + // 瓒呮椂瀵艰嚧鎺ュ彂閫佸璞★紝涓庤繑鍥炲璞′笉瀵瑰簲鐨勬儏鍐� + if(send_key != recv_key) { + // logger->debug("======%d use tmp_socket %d, send to %d, receive from %d\n", shm_socket_get_key(sockt), shm_socket_get_key(tmp_socket), send_key, recv_key); + // logger->error( "_shm_sendandrecv_alloc_new: send key expect to equal to recv key! send key =%d , recv key=%d", send_key, recv_key); + + continue; + } + return 0; } + + return EBUS_RECVFROM_WRONG_END; } - shm_close_socket(tmp_socket); + _shm_socket_close_(tmp_socket); return rv; } -int shm_sendandrecv(shm_socket_t *socket, const void *send_buf, - const int send_size, const int send_key, void **recv_buf, - int *recv_size, const struct timespec *timeout, int flags) { - return _shm_sendandrecv_alloc_new(socket, send_buf, send_size, send_key,recv_buf, recv_size, timeout, flags); + +static int shm_sendpakto(shm_socket_t *sockt, shm_packet_t *sendpak, + const int key, const struct timespec *timeout, const int flag) { + + int rv; + shm_queue_status_t stRecord; + LockFreeQueue<shm_packet_t> *remoteQueue; + hashtable_t *hashtable = mm_get_hashtable(); + + if( sockt->queue != NULL) + goto LABEL_PUSH; + + // if(hashtable_get_queue_count(hashtable) > QUEUE_COUNT_LIMIT) { + // return EBUS_EXCEED_LIMIT; + // } + + { + if ((rv = pthread_mutex_lock(&(sockt->mutex))) != 0) + err_exit(rv, "shm_sendto : pthread_mutex_lock"); + + if (sockt->queue == NULL) { + if (sockt->key == 0) { + sockt->key = hashtable_alloc_key(hashtable); + } + sockt->queue = shm_socket_bind_queue( sockt->key, sockt->force_bind); + if(sockt->queue == NULL ) { + logger->error("%s. key = %d", bus_strerror(EBUS_KEY_INUSED), sockt->key); + if ((rv = pthread_mutex_unlock(&(sockt->mutex))) != 0) + err_exit(rv, "shm_sendto : pthread_mutex_unlock"); + return EBUS_KEY_INUSED; + } + + // 鏍囪key瀵瑰簲鐨勭姸鎬� 锛屼负opened + stRecord.status = SHM_QUEUE_ST_OPENED; + stRecord.createTime = time(NULL); + shmQueueStMap->insert({sockt->key, stRecord}); + + } + + if ((rv = pthread_mutex_unlock(&(sockt->mutex))) != 0) + err_exit(rv, "shm_sendto : pthread_mutex_unlock"); + + } + + + LABEL_PUSH: + if (sendpak->action != BUS_ACTION_STOP && key == sockt->key) { + logger->error( "can not send to your self!"); + return EBUS_SENDTO_SELF; + } + + // 妫�鏌ey鏍囪鐨勭姸鎬� + auto it = shmQueueStMap->find(key); + if(it != shmQueueStMap->end()) { + if(it->second.status == SHM_QUEUE_ST_CLOSED) { + // key瀵瑰簲鐨勭姸鎬佹槸鍏抽棴鐨� + goto ERR_CLOSED; + } + } + + remoteQueue = shm_socket_attach_queue(key); + + if (remoteQueue == NULL ) { + goto ERR_CLOSED; + } else if(remoteQueue->isClosed()) { + goto ERR_CLOSED; + } + + sendpak->key = sockt->key; + rv = remoteQueue->push(*sendpak, timeout, flag); + + if(rv != 0) { + mm_free(sendpak->buf); + } + if(rv == ETIMEDOUT) { + return EBUS_TIMEOUT; + } + return rv; + +ERR_CLOSED: + logger->error("sendto key %d failed, %s", key, bus_strerror(EBUS_CLOSED)); + return EBUS_CLOSED; + } +// 鐭繛鎺ユ柟寮忔帴鍙� +static int shm_recvpakfrom(shm_socket_t *sockt, shm_packet_t *_recvpak , const struct timespec *timeout, int flag) { + int rv; + shm_queue_status_t stRecord; + hashtable_t *hashtable = mm_get_hashtable(); + shm_packet_t recvpak; -// ============================================================================================================ - - - + if( sockt->queue != NULL) + goto LABEL_POP; + // if(hashtable_get_queue_count(hashtable) > QUEUE_COUNT_LIMIT) { + // return EBUS_EXCEED_LIMIT; + // } + + { + if ((rv = pthread_mutex_lock(&(sockt->mutex))) != 0) + err_exit(rv, "shm_recvfrom : pthread_mutex_lock"); + + + if (sockt->key == 0) { + sockt->key = hashtable_alloc_key(hashtable); + } + sockt->queue = shm_socket_bind_queue( sockt->key, sockt->force_bind); + if(sockt->queue == NULL ) { + logger->error("%s. key = %d", bus_strerror(EBUS_KEY_INUSED), sockt->key); + if ((rv = pthread_mutex_unlock(&(sockt->mutex))) != 0) + err_exit(rv, "shm_recvfrom : pthread_mutex_unlock"); + return EBUS_KEY_INUSED; + } + + // 鏍囪key瀵瑰簲鐨勭姸鎬� 锛屼负opened + stRecord.status = SHM_QUEUE_ST_OPENED; + stRecord.createTime = time(NULL); + shmQueueStMap->insert({sockt->key, stRecord}); + + if ((rv = pthread_mutex_unlock(&(sockt->mutex))) != 0) + err_exit(rv, "shm_recvfrom : pthread_mutex_unlock"); + + } + +LABEL_POP: + + + rv = sockt->queue->pop(recvpak, timeout, flag); + if(rv != 0) { + if(rv == ETIMEDOUT) { + return EBUS_TIMEOUT; + } + return rv; + } + + + if(recvpak.action == BUS_ACTION_STOP) { + return EBUS_STOPED; + } + *_recvpak = recvpak; + return 0; +} + -- Gitblit v1.8.0