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Code Issues Releases Wiki Activity

Fix failure to close thread in some situations.

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Closes #2545. Thanks to p-luke.
This commit is contained in:
Roger A. Light 2022-08-15 22:17:00 +01:00
parent fa31b6f41d
commit 49ebb58569
6 changed files with 30 additions and 5 deletions
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1
ChangeLog.txt
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@ -36,6 +36,7 @@ Client library:
- Fix documentation omission around mosquitto_reinitialise. Closes #2489.
- Fix use of MOSQ_OPT_SSL_CTX when used in conjunction with
MOSQ_OPT_SSL_CTX_DEFAULTS. Closes #2463.
- Fix failure to close thread in some situations. Closes #2545.
Clients:
- Fix mosquitto_pub incorrectly reusing topic aliases when reconnecting.

2
lib/connect.c
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@ -76,6 +76,7 @@ static int mosquitto__connect_init(struct mosquitto *mosq, const char *host, int
mosq->msgs_in.inflight_quota = mosq->msgs_in.inflight_maximum;
mosq->msgs_out.inflight_quota = mosq->msgs_out.inflight_maximum;
mosq->retain_available = 1;
mosquitto__set_request_disconnect(mosq, false);
return MOSQ_ERR_SUCCESS;
}
@ -255,6 +256,7 @@ int mosquitto_disconnect_v5(struct mosquitto *mosq, int reason_code, const mosqu
}
mosquitto__set_state(mosq, mosq_cs_disconnected);
mosquitto__set_request_disconnect(mosq, true);
if(mosq->sock == INVALID_SOCKET){
return MOSQ_ERR_NO_CONN;
}else{

7
lib/loop.c
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@ -242,7 +242,6 @@ int mosquitto_loop_forever(struct mosquitto *mosq, int timeout, int max_packets)
int run = 1;
int rc = MOSQ_ERR_SUCCESS;
unsigned long reconnect_delay;
enum mosquitto_client_state state;
if(!mosq) return MOSQ_ERR_INVAL;
@ -281,8 +280,7 @@ int mosquitto_loop_forever(struct mosquitto *mosq, int timeout, int max_packets)
pthread_testcancel();
#endif
rc = MOSQ_ERR_SUCCESS;
state = mosquitto__get_state(mosq);
if(state == mosq_cs_disconnecting || state == mosq_cs_disconnected){
if(mosquitto__get_request_disconnect(mosq)){
run = 0;
}else{
if(mosq->reconnect_delay_max > mosq->reconnect_delay){
@ -304,8 +302,7 @@ int mosquitto_loop_forever(struct mosquitto *mosq, int timeout, int max_packets)
rc = interruptible_sleep(mosq, (time_t)reconnect_delay);
if(rc) return rc;
state = mosquitto__get_state(mosq);
if(state == mosq_cs_disconnecting || state == mosq_cs_disconnected){
if(mosquitto__get_request_disconnect(mosq)){
run = 0;
}else{
rc = mosquitto_reconnect(mosq);

1
lib/mosquitto_internal.h
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@ -339,6 +339,7 @@ struct mosquitto {
unsigned int reconnect_delay;
unsigned int reconnect_delay_max;
bool reconnect_exponential_backoff;
bool request_disconnect;
char threaded;
struct mosquitto__packet *out_packet_last;
mosquitto_property *connect_properties;

20
lib/util_mosq.c
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@ -302,3 +302,23 @@ enum mosquitto_client_state mosquitto__get_state(struct mosquitto *mosq)
return state;
}
#ifndef WITH_BROKER
void mosquitto__set_request_disconnect(struct mosquitto *mosq, bool request_disconnect)
{
pthread_mutex_lock(&mosq->state_mutex);
mosq->request_disconnect = request_disconnect;
pthread_mutex_unlock(&mosq->state_mutex);
}
bool mosquitto__get_request_disconnect(struct mosquitto *mosq)
{
bool request_disconnect;
pthread_mutex_lock(&mosq->state_mutex);
request_disconnect = mosq->request_disconnect;
pthread_mutex_unlock(&mosq->state_mutex);
return request_disconnect;
}
#endif

4
lib/util_mosq.h
View File

@ -32,6 +32,10 @@ uint16_t mosquitto__mid_generate(struct mosquitto *mosq);
int mosquitto__set_state(struct mosquitto *mosq, enum mosquitto_client_state state);
enum mosquitto_client_state mosquitto__get_state(struct mosquitto *mosq);
#ifndef WITH_BROKER
void mosquitto__set_request_disconnect(struct mosquitto *mosq, bool request_disconnect);
bool mosquitto__get_request_disconnect(struct mosquitto *mosq);
#endif
#ifdef WITH_TLS
int mosquitto__hex2bin_sha1(const char *hex, unsigned char **bin);