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mdns: fix networking running udp_sendif from lwip thread

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This commit is contained in:
David Cermak 2018-12-14 11:23:19 +01:00
parent 3c94b6e10a
commit f7d4a4be6a
1 changed files with 31 additions and 13 deletions
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44
components/mdns/mdns_networking.c
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@ -242,6 +242,9 @@ typedef struct {
struct tcpip_api_call_data call;
tcpip_adapter_if_t tcpip_if;
mdns_ip_protocol_t ip_protocol;
struct pbuf *pbt;
const ip_addr_t *ip;
uint16_t port;
esp_err_t err;
} mdns_api_call_t;
@ -277,7 +280,7 @@ esp_err_t _mdns_pcb_init(tcpip_adapter_if_t tcpip_if, mdns_ip_protocol_t ip_prot
.tcpip_if = tcpip_if,
.ip_protocol = ip_protocol
};
tcpip_api_call(_mdns_pcb_init_api, (struct tcpip_api_call_data*)&msg);
tcpip_api_call(_mdns_pcb_init_api, &msg.call);
return msg.err;
}
@ -287,29 +290,44 @@ esp_err_t _mdns_pcb_deinit(tcpip_adapter_if_t tcpip_if, mdns_ip_protocol_t ip_pr
.tcpip_if = tcpip_if,
.ip_protocol = ip_protocol
};
tcpip_api_call(_mdns_pcb_deinit_api, (struct tcpip_api_call_data*)&msg);
tcpip_api_call(_mdns_pcb_deinit_api, &msg.call);
return msg.err;
}
static err_t _mdns_udp_pcb_write_api(struct tcpip_api_call_data *api_call_msg)
{
void * nif = NULL;
mdns_api_call_t * msg = (mdns_api_call_t *)api_call_msg;
mdns_pcb_t * _pcb = &_mdns_server->interfaces[msg->tcpip_if].pcbs[msg->ip_protocol];
esp_err_t err = tcpip_adapter_get_netif(msg->tcpip_if, &nif);
if (err) {
msg->err = err;
return err;
}
err = udp_sendto_if (_pcb->pcb, msg->pbt, msg->ip, msg->port, (struct netif *)nif);
pbuf_free(msg->pbt);
msg->err = err;
return err;
}
size_t _mdns_udp_pcb_write(tcpip_adapter_if_t tcpip_if, mdns_ip_protocol_t ip_protocol, const ip_addr_t *ip, uint16_t port, uint8_t * data, size_t len)
{
struct netif * netif = NULL;
void * nif = NULL;
esp_err_t err = tcpip_adapter_get_netif(tcpip_if, &nif);
netif = (struct netif *)nif;
if (err) {
return 0;
}
struct pbuf* pbt = pbuf_alloc(PBUF_TRANSPORT, len, PBUF_RAM);
if (pbt == NULL) {
return 0;
}
memcpy((uint8_t *)pbt->payload, data, len);
err = udp_sendto_if (_mdns_server->interfaces[tcpip_if].pcbs[ip_protocol].pcb, pbt, ip, port, netif);
pbuf_free(pbt);
if (err) {
mdns_api_call_t msg = {
.tcpip_if = tcpip_if,
.ip_protocol = ip_protocol,
.pbt = pbt,
.ip = ip,
.port = port
};
tcpip_api_call(_mdns_udp_pcb_write_api, &msg.call);
if (msg.err) {
return 0;
}
return len;