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backport bugfix lwip for v4.0

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This commit is contained in:
xueyunfei
2020-11-20 16:08:03 +08:00
parent d31a127db5
commit df23bbe8e1
6 changed files with 31 additions and 26 deletions
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10
examples/protocols/sockets/udp_server/main/udp_server.c
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@@ -70,7 +70,7 @@ static void udp_server_task(void *pvParameters)
while (1) {
ESP_LOGI(TAG, "Waiting for data");
struct sockaddr_in6 source_addr; // Large enough for both IPv4 or IPv6
struct sockaddr_storage source_addr; // Large enough for both IPv4 or IPv6
socklen_t socklen = sizeof(source_addr);
int len = recvfrom(sock, rx_buffer, sizeof(rx_buffer) - 1, 0, (struct sockaddr *)&source_addr, &socklen);
@@ -82,10 +82,10 @@ static void udp_server_task(void *pvParameters)
// Data received
else {
// Get the sender's ip address as string
if (source_addr.sin6_family == PF_INET) {
inet_ntoa_r(((struct sockaddr_in *)&source_addr)->sin_addr.s_addr, addr_str, sizeof(addr_str) - 1);
} else if (source_addr.sin6_family == PF_INET6) {
inet6_ntoa_r(source_addr.sin6_addr, addr_str, sizeof(addr_str) - 1);
if (source_addr.ss_family == PF_INET) {
inet_ntoa_r(((struct sockaddr_in *)&source_addr)->sin_addr, addr_str, sizeof(addr_str) - 1);
} else if (source_addr.ss_family == PF_INET6) {
inet6_ntoa_r(((struct sockaddr_in6 *)&source_addr)->sin6_addr, addr_str, sizeof(addr_str) - 1);
}
rx_buffer[len] = 0; // Null-terminate whatever we received and treat like a string...