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Merge branch 'bugfix/udp_multicast_example_leak' into 'master'

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udp multicast example: Fix leak, change default port (and log UDP port in use)

See merge request idf/esp-idf!2834
This commit is contained in:
Angus Gratton 2018-07-24 12:12:53 +08:00
commit c3069b97f9
2 changed files with 6 additions and 5 deletions
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2
examples/protocols/udp_multicast/main/Kconfig.projbuild
View File

@ -58,7 +58,7 @@ config EXAMPLE_MULTICAST_IPV6_ADDR
config EXAMPLE_PORT
int "Multicast port (send & receive)"
range 0 65535
default 333
default 3333
help
Multicast port the example will both send & receive UDP packets on.

9
examples/protocols/udp_multicast/main/udp_multicast_example_main.c
View File

@ -499,13 +499,14 @@ static void mcast_example_task(void *pvParameters)
#ifdef CONFIG_EXAMPLE_IPV4_ONLY
((struct sockaddr_in *)res->ai_addr)->sin_port = htons(UDP_PORT);
inet_ntoa_r(((struct sockaddr_in *)res->ai_addr)->sin_addr, addrbuf, sizeof(addrbuf)-1);
ESP_LOGI(TAG, "Sending to IPV4 multicast address %s...", addrbuf);
ESP_LOGI(TAG, "Sending to IPV4 multicast address %s:%d...", addrbuf, UDP_PORT);
#else
((struct sockaddr_in6 *)res->ai_addr)->sin6_port = htons(UDP_PORT);
inet6_ntoa_r(((struct sockaddr_in6 *)res->ai_addr)->sin6_addr, addrbuf, sizeof(addrbuf)-1);
ESP_LOGI(TAG, "Sending to IPV6 (V4 mapped) multicast address %s (%s)...", addrbuf, CONFIG_EXAMPLE_MULTICAST_IPV4_ADDR);
ESP_LOGI(TAG, "Sending to IPV6 (V4 mapped) multicast address %s port %d (%s)...", addrbuf, UDP_PORT, CONFIG_EXAMPLE_MULTICAST_IPV4_ADDR);
#endif
err = sendto(sock, sendbuf, len, 0, res->ai_addr, res->ai_addrlen);
freeaddrinfo(res);
if (err < 0) {
ESP_LOGE(TAG, "IPV4 sendto failed. errno: %d", errno);
break;
@ -523,12 +524,12 @@ static void mcast_example_task(void *pvParameters)
break;
}
struct sockaddr_in6 *s6addr = (struct sockaddr_in6 *)res->ai_addr;
s6addr->sin6_port = htons(UDP_PORT);
inet6_ntoa_r(s6addr->sin6_addr, addrbuf, sizeof(addrbuf)-1);
ESP_LOGI(TAG, "Sending to IPV6 multicast address %s...", addrbuf);
ESP_LOGI(TAG, "Sending to IPV6 multicast address %s port %d...", addrbuf, UDP_PORT);
err = sendto(sock, sendbuf, len, 0, res->ai_addr, res->ai_addrlen);
freeaddrinfo(res);
if (err < 0) {
ESP_LOGE(TAG, "IPV6 sendto failed. errno: %d", errno);
break;