From f1ae0552e2d50ce6f87a0bad2f31b8e2ec617bb7 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期三, 03 二月 2021 09:39:54 +0800
Subject: [PATCH] update
---
src/socket/shm_socket.cpp | 126 ++++++++++++++++++++++++-----------------
1 files changed, 73 insertions(+), 53 deletions(-)
diff --git a/src/socket/shm_socket.cpp b/src/socket/shm_socket.cpp
index a76cb4b..133190a 100644
--- a/src/socket/shm_socket.cpp
+++ b/src/socket/shm_socket.cpp
@@ -148,27 +148,31 @@
hashtable_t *hashtable = mm_get_hashtable();
+ if( sockt->queue != NULL)
+ goto LABEL_PUSH;
- if ((rv = pthread_mutex_lock(&(sockt->mutex))) != 0)
+ {
+ 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);
+ 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;
+ }
}
- 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;
- }
- }
- if ((rv = pthread_mutex_unlock(&(sockt->mutex))) != 0)
- err_exit(rv, "shm_sendto : pthread_mutex_unlock");
+ if ((rv = pthread_mutex_unlock(&(sockt->mutex))) != 0)
+ err_exit(rv, "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.
+ }
+
+ LABEL_PUSH:
if (key == sockt->key) {
logger->error( "can not send to your self!");
return EBUS_SENDTO_SELF;
@@ -182,7 +186,6 @@
}
shm_packet_t dest;
- dest.type = SHM_COMMON_MSG;
dest.key = sockt->key;
dest.size = size;
dest.buf = mm_malloc(size);
@@ -211,10 +214,14 @@
hashtable_t *hashtable = mm_get_hashtable();
- if ((rv = pthread_mutex_lock(&(sockt->mutex))) != 0)
- err_exit(rv, "shm_recvfrom : pthread_mutex_lock");
+ if( sockt->queue != NULL)
+ goto LABEL_POP;
+
+ {
+ if ((rv = pthread_mutex_lock(&(sockt->mutex))) != 0)
+ err_exit(rv, "shm_recvfrom : pthread_mutex_lock");
- if (sockt->queue == NULL) {
+
if (sockt->key == 0) {
sockt->key = hashtable_alloc_key(hashtable);
}
@@ -223,10 +230,14 @@
logger->error("%s. key = %d", bus_strerror(EBUS_KEY_INUSED), sockt->key);
return EBUS_KEY_INUSED;
}
+
+
+ if ((rv = pthread_mutex_unlock(&(sockt->mutex))) != 0)
+ err_exit(rv, "shm_recvfrom : pthread_mutex_unlock");
+
}
- if ((rv = pthread_mutex_unlock(&(sockt->mutex))) != 0)
- err_exit(rv, "shm_recvfrom : pthread_mutex_unlock");
+LABEL_POP:
shm_packet_t src;
@@ -287,7 +298,6 @@
//s = pthread_key_create(&_perthread_socket_key_, NULL);
if (s != 0) {
logger->error(s, "pthread_key_create");
- abort(); /* dump core and terminate */
exit(1);
}
}
@@ -299,11 +309,13 @@
int *recv_size, const struct timespec *timeout, int flags) {
int recv_key;
int rv;
+ int tryn = 0;
// 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;
-
+ /* If first call from this thread, allocate buffer for thread, and save its location */
+ // logger->debug("%d create tmp socket\n", pthread_self() );
rv = pthread_once(&_once_, _create_socket_key_perthread);
if (rv != 0) {
logger->error(rv, "shm_sendandrecv pthread_once");
@@ -325,26 +337,31 @@
}
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) {
- logger->error("_shm_sendandrecv_thread_local : %s\n", bus_strerror(rv));
- }
- else if(rv == 0 ) {
- 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);
-
- if(recv_key == shm_socket_get_key(sockt)) {
- logger->debug("=====鏀跺埌浜嗚嚜宸卞彂缁欒嚜宸辩殑娑堟伅\n");
+
+ while(tryn < 3) {
+ tryn++;
+ rv = shm_recvfrom(tmp_socket, recv_buf, recv_size, &recv_key, timeout, flags);
+ if(rv != 0) {
+ logger->error("_shm_sendandrecv_thread_local : %s\n", bus_strerror(rv));
+ return rv;
}
- assert( send_key == recv_key);
+
+ // 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->error( "_shm_sendandrecv_alloc_new: send key expect to equal to recv key! send key =%d , recv key=%d", send_key, recv_key);
- exit(1);
+ 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);
+ // exit(1);
+ continue;
+ // return EBUS_RECVFROM_WRONG_END;
}
+
+ return 0;
}
- return rv;
- } else {
- return rv;
- }
+
+ return EBUS_RECVFROM_WRONG_END;
+ }
+
+ return rv;
}
int _shm_sendandrecv_alloc_new(shm_socket_t *sockt, const void *send_buf,
@@ -353,31 +370,34 @@
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 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);
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_thread_local : %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);
--
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