From 607ac3ae8bfc017e10a7907e69dcbc3ab2a0fb63 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期五, 05 二月 2021 13:54:56 +0800
Subject: [PATCH] add stop method
---
src/socket/shm_socket.cpp | 102 +++++++++++++++++++++++++++++++++-----------------
1 files changed, 67 insertions(+), 35 deletions(-)
diff --git a/src/socket/shm_socket.cpp b/src/socket/shm_socket.cpp
index 9ce94da..fc410bf 100644
--- a/src/socket/shm_socket.cpp
+++ b/src/socket/shm_socket.cpp
@@ -112,23 +112,31 @@
int shm_close_socket(shm_socket_t *sockt) {
- int s;
-
+ int rv;
logger->debug("shm_close_socket\n");
if(sockt->queue != NULL) {
delete sockt->queue;
sockt->queue = NULL;
}
- s = pthread_mutex_destroy(&(sockt->mutex) );
- if(s != 0) {
- err_exit(s, "shm_close_socket");
+ rv = pthread_mutex_destroy(&(sockt->mutex) );
+ if(rv != 0) {
+ err_exit(rv, "shm_close_socket");
}
free(sockt);
return 0;
}
+
+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;
@@ -153,11 +161,14 @@
int rv;
- shm_packet_t sendpak;
+ shm_packet_t sendpak = {0};
sendpak.key = sockt->key;
sendpak.size = size;
- sendpak.buf = mm_malloc(size);
- memcpy(sendpak.buf, buf, size);
+ if(buf != NULL) {
+ sendpak.buf = mm_malloc(size);
+ memcpy(sendpak.buf, buf, size);
+ }
+
rv = shm_sendpakto(sockt, &sendpak, key, timeout, flag);
return rv;
}
@@ -172,12 +183,15 @@
shm_packet_t sendpak;
shm_packet_t recvpak;
std::map<std::string, shm_packet_t>::iterator recvbufIter;
+
std::string uuid = sole::uuid4().str();
sendpak.key = sockt->key;
sendpak.size = send_size;
- sendpak.buf = mm_malloc(send_size);
- memcpy(sendpak.buf, send_buf, 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);
@@ -186,7 +200,7 @@
return rv;
}
- while(true) {
+ while(tryn > 0) {
tryn--;
recvbufIter = sockt->recvbuf.find(uuid);
if(recvbufIter != sockt->recvbuf.end()) {
@@ -194,36 +208,37 @@
logger->debug("get from recvbuf: %s", uuid.c_str());
recvpak = recvbufIter->second;
sockt->recvbuf.erase(recvbufIter);
- break;
+ goto LABLE_SUC;
}
rv = shm_recvpakfrom(sockt, &recvpak, timeout, flags);
if (rv != 0) {
- if(rv == ETIMEDOUT)
+ 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 (strncmp(uuid.c_str(), recvpak.uuid, sizeof recvpak.uuid) == 0) {
+ 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
- break;
+ goto LABLE_SUC;
} else {
// 绛旈潪鎵�闂紝鏀惧埌缂撳瓨閲�
sockt->recvbuf.insert({recvpak.uuid, recvpak});
continue;
}
-
- if(tryn == 0) {
- // 灏濊瘯浜唗ryn娆￠兘娌℃湁鎴愬姛
- return EBUS_RECVFROM_WRONG_END;
- }
-
}
+
+LABLE_FAIL:
+ return EBUS_RECVFROM_WRONG_END;
+ // return rv;
LABLE_SUC:
if(recv_buf != NULL) {
@@ -239,6 +254,8 @@
return 0;
+
+
}
/**
@@ -251,35 +268,41 @@
int rv;
- void *sendbuf = NULL;
+ void *sendbuf, *recvbuf = NULL;
int sendsize = 0;
- shm_packet_t recvpak;
+ shm_packet_t recvpak = {0};
rv = shm_recvpakfrom(sockt , &recvpak, timeout, flag);
if (rv != 0) {
if(rv == ETIMEDOUT){
- logger->debug("%d shm_recvfrom failed %s", shm_socket_get_key(sockt), bus_strerror(EBUS_TIMEOUT));
+ logger->debug("%d shm_recvandsend failed %s", shm_socket_get_key(sockt), bus_strerror(EBUS_TIMEOUT));
return EBUS_TIMEOUT;
}
- logger->error("%d shm_recvfrom failed %s", shm_socket_get_key(sockt), bus_strerror(rv));
+ logger->error("%d shm_recvandsend failed %s", shm_socket_get_key(sockt), bus_strerror(rv));
return rv;
}
-
- void *recvbuf = malloc(recvpak.size);
- memcpy(recvbuf, recvpak.buf, recvpak.size);
- mm_free(recvpak.buf);
+ 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;
+ 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);
@@ -307,7 +330,7 @@
}
- if(buf != NULL) {
+ if(buf != NULL && recvpak.buf != NULL) {
void *_buf = malloc(recvpak.size);
memcpy(_buf, recvpak.buf, recvpak.size);
*buf = _buf;
@@ -493,7 +516,7 @@
LABEL_PUSH:
- if (key == sockt->key) {
+ if (sendpak->action != BUS_ACTION_STOP && key == sockt->key) {
logger->error( "can not send to your self!");
return EBUS_SENDTO_SELF;
}
@@ -513,10 +536,11 @@
}
// 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) {
+static int shm_recvpakfrom(shm_socket_t *sockt, shm_packet_t *_recvpak , const struct timespec *timeout, int flag) {
int rv;
hashtable_t *hashtable = mm_get_hashtable();
+ shm_packet_t recvpak;
if( sockt->queue != NULL)
goto LABEL_POP;
@@ -543,10 +567,18 @@
LABEL_POP:
+ //
+ // printf("%p start recv.....\n", sockt);
-
- rv = sockt->queue->pop(*recvpak, timeout, flag);
+ rv = sockt->queue->pop(recvpak, timeout, flag);
+ if(rv != 0)
+ return rv;
+
+ if(recvpak.action == BUS_ACTION_STOP) {
+ return EBUS_STOPED;
+ }
+ *_recvpak = recvpak;
return rv;
}
// int shm_sendandrecv(shm_socket_t *sockt, const void *send_buf,
--
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