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Merge branch 'feature/httpd_support_reuse_addr' into 'master'

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feat(httpd): Allow binding to same address and port upon restarting server without delay

See merge request sdk/ESP8266_RTOS_SDK!1675
This commit is contained in:
Dong Heng
2023-05-06 10:04:24 +08:00
parent 35375c17be d93c5bb861
commit af0cdc36fa
1 changed files with 10 additions and 0 deletions
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10
components/esp_http_server/src/httpd_main.c
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@ -262,6 +262,16 @@ static esp_err_t httpd_server_init(struct httpd_data *hd)
.sin_port = htons(hd->config.server_port)
};
#endif /* CONFIG_LWIP_IPV6 */
/* Enable SO_REUSEADDR to allow binding to the same
* address and port when restarting the server */
int enable = 1;
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable)) < 0) {
/* This will fail if CONFIG_LWIP_SO_REUSE is not enabled. But
* it does not affect the normal working of the HTTP Server */
ESP_LOGW(TAG, LOG_FMT("error in setsockopt SO_REUSEADDR (%d)"), errno);
}
int ret = bind(fd, (struct sockaddr *)&serv_addr, sizeof(serv_addr));
if (ret < 0) {
ESP_LOGE(TAG, LOG_FMT("error in bind (%d)"), errno);