Merge pull request #2047 from devsaurus/esp32-netconn
ESP32: Port net module to netconn API.
This commit is contained in:
commit
977dab2e6b
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@ -11,12 +11,12 @@
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#include <stdlib.h>
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#include <string.h>
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#include "lwip/api.h"
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#include "lwip/err.h"
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#include "lwip/ip_addr.h"
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#include "lwip/dns.h"
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#include "lwip/igmp.h"
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#include "lwip/tcp.h"
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#include "lwip/udp.h"
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// Some LWIP macros cause complaints with ptr NULL checks, so shut them off :(
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#pragma GCC diagnostic ignored "-Waddress"
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@ -44,11 +44,9 @@ static const net_table_name NET_TABLES[] = {
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typedef struct lnet_userdata {
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enum net_type type;
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int self_ref;
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union {
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struct tcp_pcb *tcp_pcb;
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struct udp_pcb *udp_pcb;
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void *pcb;
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};
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uint16_t port;
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struct netconn *netconn;
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bool closing;
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union {
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struct {
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int cb_accept_ref;
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@ -60,7 +58,9 @@ typedef struct lnet_userdata {
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int cb_receive_ref;
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int cb_sent_ref;
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// Only for TCP:
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bool connecting;
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int hold;
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size_t num_held;
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int cb_connect_ref;
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int cb_disconnect_ref;
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int cb_reconnect_ref;
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@ -69,17 +69,8 @@ typedef struct lnet_userdata {
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} lnet_userdata;
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// --- Event handling
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typedef struct {
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ip_addr_t src_ip;
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uint16_t src_port;
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uint16_t payload_len;
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char payload[0];
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} lnet_recvdata;
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typedef struct {
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enum {
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DNSFOUND,
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@ -95,10 +86,8 @@ typedef struct {
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int cb_ref;
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};
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union {
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struct tcp_pcb *accept_newpcb;
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lnet_recvdata recvdata;
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ip_addr_t resolved_ip;
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int err;
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ip_addr_t resolved_ip;
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int err;
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};
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} lnet_event;
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@ -140,7 +129,8 @@ lnet_userdata *net_create( lua_State *L, enum net_type type ) {
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ud->type = type;
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ud->self_ref = LUA_NOREF;
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ud->pcb = NULL;
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ud->netconn = NULL;
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ud->closing = false;
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switch (type) {
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case TYPE_TCP_CLIENT:
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@ -148,6 +138,8 @@ lnet_userdata *net_create( lua_State *L, enum net_type type ) {
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ud->client.cb_reconnect_ref = LUA_NOREF;
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ud->client.cb_disconnect_ref = LUA_NOREF;
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ud->client.hold = 0;
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ud->client.num_held = 0;
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ud->client.connecting = false;
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case TYPE_UDP_SOCKET:
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ud->client.wait_dns = 0;
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ud->client.cb_dns_ref = LUA_NOREF;
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@ -177,14 +169,6 @@ static bool post_net_err (lnet_userdata *ud, err_t err) {
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return true;
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}
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static void net_err_cb(void *arg, err_t err) {
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lnet_userdata *ud = (lnet_userdata*)arg;
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if (!ud || ud->type != TYPE_TCP_CLIENT || ud->self_ref == LUA_NOREF) return;
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ud->pcb = NULL; // Will be freed at LWIP level
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post_net_err (ud, err);
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}
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static bool post_net_connected (lnet_userdata *ud) {
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lnet_event *ev = (lnet_event *)malloc (sizeof (lnet_event));
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@ -199,17 +183,6 @@ static bool post_net_connected (lnet_userdata *ud) {
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return true;
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}
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static err_t net_connected_cb(void *arg, struct tcp_pcb *tpcb, err_t err) {
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lnet_userdata *ud = (lnet_userdata*)arg;
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if (!ud || ud->pcb != tpcb) return ERR_ABRT;
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if (err != ERR_OK) {
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net_err_cb(arg, err);
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return ERR_ABRT;
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}
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post_net_connected (ud);
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return ERR_OK;
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}
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static bool post_net_dns (lnet_userdata *ud, const char *name, const ip_addr_t *ipaddr)
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{
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@ -237,21 +210,15 @@ static void net_dns_cb(const char *name, const ip_addr_t *ipaddr, void *arg) {
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}
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static bool post_net_recv (lnet_userdata *ud, struct pbuf *p, const ip_addr_t *ip, u16_t port)
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static bool post_net_recv (lnet_userdata *ud)
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{
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lnet_event *ev = (lnet_event *)malloc (sizeof (lnet_event) + p->len);
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lnet_event *ev = (lnet_event *)malloc (sizeof (lnet_event));
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if (!ev)
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return false;
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ev->event = RECVDATA;
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ev->ud = ud;
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if (ip)
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ev->recvdata.src_ip = *ip;
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ev->recvdata.src_port = port;
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ev->recvdata.payload_len = p->len;
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pbuf_copy_partial (p, &ev->recvdata.payload, p->len, 0);
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if (!task_post_high (net_event, (task_param_t)ev))
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{
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free (ev);
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@ -260,30 +227,6 @@ static bool post_net_recv (lnet_userdata *ud, struct pbuf *p, const ip_addr_t *i
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return true;
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}
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static void net_udp_recv_cb(void *arg, struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *addr, u16_t port) {
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lnet_userdata *ud = (lnet_userdata*)arg;
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if (!ud || !ud->pcb || ud->type != TYPE_UDP_SOCKET || ud->self_ref == LUA_NOREF) {
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if (p) pbuf_free(p);
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return;
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}
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post_net_recv (ud, p, addr, port);
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}
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static err_t net_tcp_recv_cb(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err) {
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lnet_userdata *ud = (lnet_userdata*)arg;
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if (!ud || !ud->pcb || ud->type != TYPE_TCP_CLIENT || ud->self_ref == LUA_NOREF)
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return ERR_ABRT;
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if (!p) {
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net_err_cb(arg, err);
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return tcp_close(tpcb);
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}
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if (post_net_recv (ud, p, 0, 0))
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tcp_recved(tpcb, ud->client.hold ? 0 : TCP_WND(tpcb));
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return ERR_OK;
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}
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static bool post_net_sent (lnet_userdata *ud) {
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lnet_event *ev = (lnet_event *)malloc (sizeof (lnet_event));
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@ -298,24 +241,13 @@ static bool post_net_sent (lnet_userdata *ud) {
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return true;
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}
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static err_t net_sent_cb(void *arg, struct tcp_pcb *tpcb, u16_t len) {
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lnet_userdata *ud = (lnet_userdata*)arg;
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if (!ud || !ud->pcb || ud->type != TYPE_TCP_CLIENT || ud->self_ref == LUA_NOREF) return ERR_ABRT;
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if (ud->client.cb_sent_ref == LUA_NOREF) return ERR_OK;
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post_net_sent (ud);
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// TODO: if we can't post this, we effectively stall this socket, how to fix?
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return ERR_OK;
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}
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static bool post_net_accept (lnet_userdata *ud, struct tcp_pcb *newpcb) {
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static bool post_net_accept (lnet_userdata *ud) {
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lnet_event *ev = (lnet_event *)malloc (sizeof (lnet_event));
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if (!ev)
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return false;
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ev->event = ACCEPT;
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ev->ud = ud;
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ev->accept_newpcb = newpcb;
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if (!task_post_medium (net_event, (task_param_t)ev)) {
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free (ev);
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return false;
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@ -324,14 +256,103 @@ static bool post_net_accept (lnet_userdata *ud, struct tcp_pcb *newpcb) {
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}
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static err_t net_accept_cb(void *arg, struct tcp_pcb *newpcb, err_t err) {
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lnet_userdata *ud = (lnet_userdata*)arg;
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if (!ud || ud->type != TYPE_TCP_SERVER || !ud->pcb) return ERR_ABRT;
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if (ud->self_ref == LUA_NOREF || ud->server.cb_accept_ref == LUA_NOREF) return ERR_ABRT;
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static void lnet_netconn_callback(struct netconn *netconn, enum netconn_evt evt, u16_t len)
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{
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if (!netconn) return;
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return post_net_accept (ud, newpcb) ? ERR_OK : ERR_ABRT;
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SYS_ARCH_DECL_PROTECT(lev);
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SYS_ARCH_PROTECT(lev);
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if (netconn->socket < 0) {
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if (evt == NETCONN_EVT_RCVPLUS && len > 0) {
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// data received before userdata was set up, note receive event
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netconn->socket--;
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}
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SYS_ARCH_UNPROTECT(lev);
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return;
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}
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SYS_ARCH_UNPROTECT(lev);
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lnet_userdata *ud = (lnet_userdata *)netconn->socket;
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if (!ud || !ud->netconn) return;
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// if a previous event or the user triggered to close the connection then
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// skip further event processing, we might run the cbs in Lua task on outdated userdata
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if (ud->closing) return;
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if (ud->type == TYPE_TCP_CLIENT || ud->type == TYPE_UDP_SOCKET) {
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switch (evt) {
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case NETCONN_EVT_SENDPLUS:
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if (ud->type == TYPE_TCP_CLIENT && ud->client.connecting) {
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// connection established, trigger Lua callback
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ud->client.connecting = false;
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post_net_connected(ud);
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} else if (len > 0) {
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// data sent, trigger Lua callback
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post_net_sent(ud);
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}
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break;
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case NETCONN_EVT_ERROR:
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post_net_err(ud, netconn_err(ud->netconn));
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ud->closing = true;
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break;
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case NETCONN_EVT_RCVPLUS:
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if (len > 0) {
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// data received, collect it in Lua callback
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post_net_recv(ud);
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} else {
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// signals closed connection from peer
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post_net_err(ud, 0);
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ud->closing = true;
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}
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break;
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default:
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break;
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}
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} else if (ud->type == TYPE_TCP_SERVER) {
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switch (evt) {
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case NETCONN_EVT_RCVPLUS:
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// new connection available from netconn_listen()
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if (ud->netconn &&
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ud->server.cb_accept_ref != LUA_NOREF) {
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post_net_accept(ud);
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}
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break;
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case NETCONN_EVT_ERROR:
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post_net_err(ud, netconn_err(ud->netconn));
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ud->closing = true;
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break;
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default:
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break;
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}
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}
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}
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// workaround for https://github.com/espressif/esp-idf/issues/784
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#include "lwip/priv/api_msg.h"
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#define NETCONN_DELETE(conn) \
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if (netconn_delete(conn) == ERR_OK) netconn_free(conn);
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#define NETCONN_CLOSE(conn) netconn_close_wa(conn);
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static void netconn_close_wa(struct netconn *conn) {
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if (netconn_close(conn) != ERR_OK) {
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NETCONN_DELETE(conn);
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} else {
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netconn_free(conn);
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}
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}
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// --- Lua API - create
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extern int tls_socket_create( lua_State *L );
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@ -402,7 +423,7 @@ int net_listen( lua_State *L ) {
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lnet_userdata *ud = net_get_udata(L);
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if (!ud || ud->type == TYPE_TCP_CLIENT)
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return luaL_error(L, "invalid user data");
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if (ud->pcb)
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if (ud->netconn)
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return luaL_error(L, "already listening");
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int stack = 2;
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uint16_t port = 0;
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@ -428,39 +449,40 @@ int net_listen( lua_State *L ) {
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err_t err = ERR_OK;
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switch (ud->type) {
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case TYPE_TCP_SERVER:
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ud->tcp_pcb = tcp_new();
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if (!ud->tcp_pcb)
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return luaL_error(L, "cannot allocate PCB");
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err = tcp_bind(ud->tcp_pcb, &addr, port);
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ud->netconn = netconn_new_with_callback(NETCONN_TCP, lnet_netconn_callback);
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if (!ud->netconn)
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return luaL_error(L, "cannot allocate netconn");
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ud->netconn->socket = (int)ud;
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netconn_set_nonblocking(ud->netconn, 1);
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netconn_set_noautorecved(ud->netconn, 1);
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err = netconn_bind(ud->netconn, &addr, port);
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if (err == ERR_OK) {
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tcp_arg(ud->tcp_pcb, ud);
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struct tcp_pcb *pcb = tcp_listen(ud->tcp_pcb);
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if (!pcb) {
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err = ERR_MEM;
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} else {
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ud->tcp_pcb = pcb;
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tcp_accept(ud->tcp_pcb, net_accept_cb);
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}
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err = netconn_listen(ud->netconn);
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}
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break;
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case TYPE_UDP_SOCKET:
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ud->udp_pcb = udp_new();
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if (!ud->udp_pcb)
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return luaL_error(L, "cannot allocate PCB");
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udp_recv(ud->udp_pcb, net_udp_recv_cb, ud);
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err = udp_bind(ud->udp_pcb, &addr, port);
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ud->netconn = netconn_new_with_callback(NETCONN_UDP, lnet_netconn_callback);
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if (!ud->netconn)
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return luaL_error(L, "cannot allocate netconn");
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ud->netconn->socket = (int)ud;
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netconn_set_nonblocking(ud->netconn, 1);
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netconn_set_noautorecved(ud->netconn, 1);
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err = netconn_bind(ud->netconn, &addr, port);
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break;
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default: break;
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}
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if (err != ERR_OK) {
|
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ud->closing = true;
|
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switch (ud->type) {
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case TYPE_TCP_SERVER:
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tcp_close(ud->tcp_pcb);
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ud->tcp_pcb = NULL;
|
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NETCONN_CLOSE(ud->netconn);
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ud->netconn = NULL;
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break;
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case TYPE_UDP_SOCKET:
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udp_remove(ud->udp_pcb);
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ud->udp_pcb = NULL;
|
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NETCONN_CLOSE(ud->netconn);
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ud->netconn = NULL;
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break;
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default: break;
|
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}
|
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|
@ -478,7 +500,7 @@ int net_connect( lua_State *L ) {
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lnet_userdata *ud = net_get_udata(L);
|
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if (!ud || ud->type != TYPE_TCP_CLIENT)
|
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return luaL_error(L, "invalid user data");
|
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if (ud->pcb)
|
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if (ud->netconn)
|
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return luaL_error(L, "already connected");
|
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uint16_t port = luaL_checkinteger(L, 2);
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if (port == 0)
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@ -488,14 +510,15 @@ int net_connect( lua_State *L ) {
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size_t dl = 0;
|
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domain = luaL_checklstring(L, 3, &dl);
|
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}
|
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ud->tcp_pcb = tcp_new();
|
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if (!ud->tcp_pcb)
|
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return luaL_error(L, "cannot allocate PCB");
|
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tcp_arg(ud->tcp_pcb, ud);
|
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tcp_err(ud->tcp_pcb, net_err_cb);
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tcp_recv(ud->tcp_pcb, net_tcp_recv_cb);
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tcp_sent(ud->tcp_pcb, net_sent_cb);
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ud->tcp_pcb->remote_port = port;
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|
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ud->netconn = netconn_new_with_callback(NETCONN_TCP, lnet_netconn_callback);
|
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if (!ud->netconn)
|
||||
return luaL_error(L, "cannot allocate netconn");
|
||||
ud->netconn->socket = (int)ud;
|
||||
netconn_set_nonblocking(ud->netconn, 1);
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netconn_set_noautorecved(ud->netconn, 1);
|
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ud->port = port;
|
||||
|
||||
ip_addr_t addr;
|
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ud->client.wait_dns ++;
|
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int unref = 0;
|
||||
|
@ -504,6 +527,7 @@ int net_connect( lua_State *L ) {
|
|||
lua_pushvalue(L, 1);
|
||||
ud->self_ref = luaL_ref(L, LUA_REGISTRYINDEX);
|
||||
}
|
||||
|
||||
err_t err = dns_gethostbyname(domain, &addr, net_dns_cb, ud);
|
||||
if (err == ERR_OK) {
|
||||
net_dns_cb(domain, &addr, ud);
|
||||
|
@ -513,8 +537,9 @@ int net_connect( lua_State *L ) {
|
|||
luaL_unref(L, LUA_REGISTRYINDEX, ud->self_ref);
|
||||
ud->self_ref = LUA_NOREF;
|
||||
}
|
||||
tcp_abort(ud->tcp_pcb);
|
||||
ud->tcp_pcb = NULL;
|
||||
ud->closing = true;
|
||||
NETCONN_CLOSE(ud->netconn);
|
||||
ud->netconn = NULL;
|
||||
return lwip_lua_checkerr(L, err);
|
||||
}
|
||||
return 0;
|
||||
|
@ -586,16 +611,17 @@ int net_send( lua_State *L ) {
|
|||
luaL_unref(L, LUA_REGISTRYINDEX, ud->client.cb_sent_ref);
|
||||
ud->client.cb_sent_ref = luaL_ref(L, LUA_REGISTRYINDEX);
|
||||
}
|
||||
if (ud->type == TYPE_UDP_SOCKET && !ud->pcb) {
|
||||
ud->udp_pcb = udp_new();
|
||||
if (!ud->udp_pcb)
|
||||
return luaL_error(L, "cannot allocate PCB");
|
||||
udp_recv(ud->udp_pcb, net_udp_recv_cb, ud);
|
||||
ip_addr_t laddr = IPADDR_ANY_TYPE_INIT;
|
||||
err_t err = udp_bind(ud->udp_pcb, &laddr, 0);
|
||||
|
||||
if (ud->type == TYPE_UDP_SOCKET && !ud->netconn) {
|
||||
ud->netconn = netconn_new_with_callback(NETCONN_UDP, lnet_netconn_callback);
|
||||
if (!ud->netconn)
|
||||
return luaL_error(L, "cannot allocate netconn");
|
||||
ud->netconn->socket = (int)ud;
|
||||
err_t err = netconn_bind(ud->netconn, IP_ADDR_ANY, 0);
|
||||
if (err != ERR_OK) {
|
||||
udp_remove(ud->udp_pcb);
|
||||
ud->udp_pcb = NULL;
|
||||
ud->closing = true;
|
||||
NETCONN_CLOSE(ud->netconn);
|
||||
ud->netconn = NULL;
|
||||
return lwip_lua_checkerr(L, err);
|
||||
}
|
||||
if (ud->self_ref == LUA_NOREF) {
|
||||
|
@ -603,23 +629,32 @@ int net_send( lua_State *L ) {
|
|||
ud->self_ref = luaL_ref(L, LUA_REGISTRYINDEX);
|
||||
}
|
||||
}
|
||||
if (!ud->pcb || ud->self_ref == LUA_NOREF)
|
||||
|
||||
if (!ud->netconn || ud->self_ref == LUA_NOREF)
|
||||
return luaL_error(L, "not connected");
|
||||
|
||||
err_t err;
|
||||
if (ud->type == TYPE_UDP_SOCKET) {
|
||||
struct pbuf *pb = pbuf_alloc(PBUF_TRANSPORT, datalen, PBUF_RAM);
|
||||
if (!pb)
|
||||
struct netbuf *buf = netbuf_new();
|
||||
if (!buf || !netbuf_alloc(buf, datalen))
|
||||
return luaL_error(L, "cannot allocate message buffer");
|
||||
pbuf_take(pb, data, datalen);
|
||||
err = udp_sendto(ud->udp_pcb, pb, &addr, port);
|
||||
pbuf_free(pb);
|
||||
netbuf_take(buf, data, datalen);
|
||||
err = netconn_sendto(ud->netconn, buf, &addr, port);
|
||||
netbuf_delete(buf);
|
||||
|
||||
if (ud->client.cb_sent_ref != LUA_NOREF) {
|
||||
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->client.cb_sent_ref);
|
||||
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->self_ref);
|
||||
lua_call(L, 1, 0);
|
||||
}
|
||||
} else if (ud->type == TYPE_TCP_CLIENT) {
|
||||
err = tcp_write(ud->tcp_pcb, data, datalen, TCP_WRITE_FLAG_COPY);
|
||||
size_t bytes_written;
|
||||
err = netconn_write_partly(ud->netconn, data, datalen, NETCONN_COPY, &bytes_written);
|
||||
if (err == ERR_OK && (datalen != bytes_written)) {
|
||||
// the string object is potentially gc'ed after net_send finishes and we can't ensure
|
||||
// integrity of the data pointer to netconn -> signal error to Lua layer
|
||||
err = ERR_BUF;
|
||||
}
|
||||
}
|
||||
else {
|
||||
err = ERR_VAL;
|
||||
|
@ -632,9 +667,10 @@ int net_hold( lua_State *L ) {
|
|||
lnet_userdata *ud = net_get_udata(L);
|
||||
if (!ud || ud->type != TYPE_TCP_CLIENT)
|
||||
return luaL_error(L, "invalid user data");
|
||||
if (!ud->client.hold && ud->tcp_pcb)
|
||||
if (!ud->client.hold && ud->netconn)
|
||||
{
|
||||
ud->client.hold = 1;
|
||||
ud->client.num_held = 0;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
@ -644,11 +680,10 @@ int net_unhold( lua_State *L ) {
|
|||
lnet_userdata *ud = net_get_udata(L);
|
||||
if (!ud || ud->type != TYPE_TCP_CLIENT)
|
||||
return luaL_error(L, "invalid user data");
|
||||
if (ud->client.hold && ud->tcp_pcb)
|
||||
if (ud->client.hold && ud->netconn)
|
||||
{
|
||||
ud->client.hold = 0;
|
||||
ud->tcp_pcb->flags |= TF_ACK_NOW;
|
||||
tcp_recved(ud->tcp_pcb, TCP_WND(ud->tcp_pcb));
|
||||
netconn_recved(ud->netconn, ud->client.num_held);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
@ -696,13 +731,16 @@ int net_getpeer( lua_State *L ) {
|
|||
lnet_userdata *ud = net_get_udata(L);
|
||||
if (!ud || ud->type != TYPE_TCP_CLIENT)
|
||||
return luaL_error(L, "invalid user data");
|
||||
if (!ud->pcb) {
|
||||
if (!ud->netconn) {
|
||||
lua_pushnil(L);
|
||||
lua_pushnil(L);
|
||||
return 2;
|
||||
}
|
||||
uint16_t port = ud->tcp_pcb->remote_port;
|
||||
ip_addr_t addr = ud->tcp_pcb->remote_ip;
|
||||
|
||||
uint16_t port;
|
||||
ip_addr_t addr;
|
||||
netconn_peer(ud->netconn, &addr, &port);
|
||||
|
||||
if (port == 0) {
|
||||
lua_pushnil(L);
|
||||
lua_pushnil(L);
|
||||
|
@ -719,7 +757,7 @@ int net_getpeer( lua_State *L ) {
|
|||
int net_getaddr( lua_State *L ) {
|
||||
lnet_userdata *ud = net_get_udata(L);
|
||||
if (!ud) return luaL_error(L, "invalid user data");
|
||||
if (!ud->pcb) {
|
||||
if (!ud->netconn) {
|
||||
lua_pushnil(L);
|
||||
lua_pushnil(L);
|
||||
return 2;
|
||||
|
@ -729,13 +767,10 @@ int net_getaddr( lua_State *L ) {
|
|||
switch (ud->type) {
|
||||
case TYPE_TCP_CLIENT:
|
||||
case TYPE_TCP_SERVER:
|
||||
addr = ud->tcp_pcb->local_ip;
|
||||
port = ud->tcp_pcb->local_port;
|
||||
break;
|
||||
case TYPE_UDP_SOCKET:
|
||||
addr = ud->udp_pcb->local_ip;
|
||||
port = ud->udp_pcb->local_port;
|
||||
netconn_addr(ud->netconn, &addr, &port);
|
||||
break;
|
||||
default: break;
|
||||
}
|
||||
if (port == 0) {
|
||||
lua_pushnil(L);
|
||||
|
@ -753,29 +788,22 @@ int net_getaddr( lua_State *L ) {
|
|||
int net_close( lua_State *L ) {
|
||||
lnet_userdata *ud = net_get_udata(L);
|
||||
if (!ud) return luaL_error(L, "invalid user data");
|
||||
if (ud->pcb) {
|
||||
if (ud->netconn) {
|
||||
switch (ud->type) {
|
||||
case TYPE_TCP_CLIENT:
|
||||
if (ERR_OK != tcp_close(ud->tcp_pcb)) {
|
||||
tcp_arg(ud->tcp_pcb, NULL);
|
||||
tcp_abort(ud->tcp_pcb);
|
||||
}
|
||||
ud->tcp_pcb = NULL;
|
||||
break;
|
||||
case TYPE_TCP_SERVER:
|
||||
tcp_close(ud->tcp_pcb);
|
||||
ud->tcp_pcb = NULL;
|
||||
break;
|
||||
case TYPE_UDP_SOCKET:
|
||||
udp_remove(ud->udp_pcb);
|
||||
ud->udp_pcb = NULL;
|
||||
ud->closing = true;
|
||||
NETCONN_CLOSE(ud->netconn);
|
||||
ud->netconn = NULL;
|
||||
break;
|
||||
default: break;
|
||||
}
|
||||
} else {
|
||||
return luaL_error(L, "not connected");
|
||||
}
|
||||
if (ud->type == TYPE_TCP_SERVER ||
|
||||
(ud->pcb == NULL && ud->client.wait_dns == 0)) {
|
||||
(ud->netconn == NULL && ud->client.wait_dns == 0)) {
|
||||
lua_gc(L, LUA_GCSTOP, 0);
|
||||
luaL_unref(L, LUA_REGISTRYINDEX, ud->self_ref);
|
||||
ud->self_ref = LUA_NOREF;
|
||||
|
@ -787,21 +815,16 @@ int net_close( lua_State *L ) {
|
|||
int net_delete( lua_State *L ) {
|
||||
lnet_userdata *ud = net_get_udata(L);
|
||||
if (!ud) return luaL_error(L, "no user data");
|
||||
if (ud->pcb) {
|
||||
if (ud->netconn) {
|
||||
switch (ud->type) {
|
||||
case TYPE_TCP_CLIENT:
|
||||
tcp_arg(ud->tcp_pcb, NULL);
|
||||
tcp_abort(ud->tcp_pcb);
|
||||
ud->tcp_pcb = NULL;
|
||||
break;
|
||||
case TYPE_TCP_SERVER:
|
||||
tcp_close(ud->tcp_pcb);
|
||||
ud->tcp_pcb = NULL;
|
||||
break;
|
||||
case TYPE_UDP_SOCKET:
|
||||
udp_remove(ud->udp_pcb);
|
||||
ud->udp_pcb = NULL;
|
||||
ud->closing = true;
|
||||
NETCONN_CLOSE(ud->netconn);
|
||||
ud->netconn = NULL;
|
||||
break;
|
||||
default: break;
|
||||
}
|
||||
}
|
||||
switch (ud->type) {
|
||||
|
@ -982,9 +1005,10 @@ static void ldnsfound_cb (lua_State *L, lnet_userdata *ud, ip_addr_t *addr) {
|
|||
lua_call(L, 2, 0);
|
||||
}
|
||||
ud->client.wait_dns --;
|
||||
if (ud->pcb && ud->type == TYPE_TCP_CLIENT && ud->tcp_pcb->state == CLOSED) {
|
||||
tcp_connect(ud->tcp_pcb, addr, ud->tcp_pcb->remote_port, net_connected_cb);
|
||||
} else if (!ud->pcb && ud->client.wait_dns == 0) {
|
||||
if (ud->netconn && ud->type == TYPE_TCP_CLIENT && !ud->client.connecting) {
|
||||
ud->client.connecting = true;
|
||||
netconn_connect(ud->netconn, addr, ud->port);
|
||||
} else if (!ud->netconn && ud->client.wait_dns == 0) {
|
||||
lua_gc(L, LUA_GCSTOP, 0);
|
||||
luaL_unref(L, LUA_REGISTRYINDEX, ud->self_ref);
|
||||
ud->self_ref = LUA_NOREF;
|
||||
|
@ -1017,40 +1041,91 @@ static void lconnected_cb (lua_State *L, lnet_userdata *ud) {
|
|||
}
|
||||
}
|
||||
|
||||
static void laccept_cb (lua_State *L, lnet_userdata *ud, struct tcp_pcb *newpcb) {
|
||||
static void laccept_cb (lua_State *L, lnet_userdata *ud) {
|
||||
if (!ud || !ud->netconn) return;
|
||||
|
||||
SYS_ARCH_DECL_PROTECT(lev);
|
||||
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->server.cb_accept_ref);
|
||||
|
||||
lnet_userdata *nud = net_create(L, TYPE_TCP_CLIENT);
|
||||
lua_pushvalue(L, -1);
|
||||
nud->self_ref = luaL_ref(L, LUA_REGISTRYINDEX);
|
||||
nud->tcp_pcb = newpcb;
|
||||
tcp_arg(nud->tcp_pcb, nud);
|
||||
tcp_err(nud->tcp_pcb, net_err_cb);
|
||||
tcp_recv(nud->tcp_pcb, net_tcp_recv_cb);
|
||||
tcp_sent(nud->tcp_pcb, net_sent_cb);
|
||||
nud->tcp_pcb->so_options |= SOF_KEEPALIVE;
|
||||
nud->tcp_pcb->keep_idle = ud->server.timeout * 1000;
|
||||
nud->tcp_pcb->keep_cnt = 1;
|
||||
tcp_accepted(ud->tcp_pcb);
|
||||
|
||||
int recvevent = 0;
|
||||
struct netconn *newconn;
|
||||
err_t err = netconn_accept(ud->netconn, &newconn);
|
||||
if (err == ERR_OK) {
|
||||
nud->netconn = newconn;
|
||||
|
||||
SYS_ARCH_PROTECT(lev);
|
||||
// take buffered receive events
|
||||
recvevent = (int)(-1 - newconn->socket);
|
||||
nud->netconn->socket = (int)nud;
|
||||
SYS_ARCH_UNPROTECT(lev);
|
||||
|
||||
netconn_set_nonblocking(nud->netconn, 1);
|
||||
netconn_set_noautorecved(nud->netconn, 1);
|
||||
nud->netconn->pcb.tcp->so_options |= SOF_KEEPALIVE;
|
||||
nud->netconn->pcb.tcp->keep_idle = ud->server.timeout * 1000;
|
||||
nud->netconn->pcb.tcp->keep_cnt = 1;
|
||||
} else
|
||||
luaL_error(L, "cannot accept new server socket connection");
|
||||
|
||||
lua_call(L, 1, 0);
|
||||
|
||||
while (recvevent-- > 0) {
|
||||
// kick receive callback in case of pending events
|
||||
post_net_recv(nud);
|
||||
}
|
||||
}
|
||||
|
||||
static void lrecv_cb (lua_State *L, lnet_userdata *ud, const lnet_recvdata *rd) {
|
||||
if (ud->client.cb_receive_ref != LUA_NOREF) {
|
||||
static void lrecv_cb (lua_State *L, lnet_userdata *ud) {
|
||||
if (!ud || !ud->netconn) return;
|
||||
|
||||
struct netbuf *p;
|
||||
char *payload;
|
||||
uint16_t len;
|
||||
|
||||
err_t err = netconn_recv(ud->netconn, &p);
|
||||
if (err != ERR_OK) {
|
||||
lwip_lua_checkerr(L, err);
|
||||
return;
|
||||
}
|
||||
if (p) {
|
||||
netbuf_data(p, (void **)&payload, &len);
|
||||
} else {
|
||||
len = 0;
|
||||
}
|
||||
|
||||
if (len > 0 && ud->client.cb_receive_ref != LUA_NOREF){
|
||||
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->client.cb_receive_ref);
|
||||
int num_args = 2;
|
||||
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->self_ref);
|
||||
lua_pushlstring(L, rd->payload, rd->payload_len);
|
||||
lua_pushlstring(L, payload, len);
|
||||
if (ud->type == TYPE_UDP_SOCKET) {
|
||||
num_args += 2;
|
||||
char iptmp[IP_STR_SZ];
|
||||
ipstr (iptmp, &rd->src_ip);
|
||||
lua_pushinteger(L, rd->src_port);
|
||||
ip_addr_t *addr = netbuf_fromaddr(p);
|
||||
uint16_t port = netbuf_fromport(p);
|
||||
ipstr (iptmp, addr);
|
||||
lua_pushinteger(L, port);
|
||||
lua_pushstring(L, iptmp);
|
||||
}
|
||||
lua_call(L, num_args, 0);
|
||||
}
|
||||
|
||||
if (p) {
|
||||
netbuf_delete(p);
|
||||
|
||||
if (ud->type == TYPE_TCP_CLIENT) {
|
||||
if (ud->client.hold) {
|
||||
netconn_recved(ud->netconn, 0);
|
||||
ud->client.num_held += len;
|
||||
} else {
|
||||
netconn_recved(ud->netconn, len);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void lsent_cb (lua_State *L, lnet_userdata *ud) {
|
||||
|
@ -1063,6 +1138,8 @@ static void lsent_cb (lua_State *L, lnet_userdata *ud) {
|
|||
|
||||
static void lerr_cb (lua_State *L, lnet_userdata *ud, err_t err)
|
||||
{
|
||||
if (!ud || !ud->netconn) return;
|
||||
|
||||
int ref;
|
||||
if (err != ERR_OK && ud->client.cb_reconnect_ref != LUA_NOREF)
|
||||
ref = ud->client.cb_reconnect_ref;
|
||||
|
@ -1092,8 +1169,8 @@ static void handle_net_event (task_param_t param, task_prio_t prio)
|
|||
case DNSFOUND: ldnsfound_cb (L, ev->ud, &ev->resolved_ip); break;
|
||||
case DNSSTATIC: ldnsstatic_cb (L, ev->cb_ref, &ev->resolved_ip); break;
|
||||
case CONNECTED: lconnected_cb (L, ev->ud); break;
|
||||
case ACCEPT: laccept_cb (L, ev->ud, ev->accept_newpcb); break;
|
||||
case RECVDATA: lrecv_cb (L, ev->ud, &ev->recvdata); break;
|
||||
case ACCEPT: laccept_cb (L, ev->ud); break;
|
||||
case RECVDATA: lrecv_cb (L, ev->ud); break;
|
||||
case SENTDATA: lsent_cb (L, ev->ud); break;
|
||||
case ERR: lerr_cb (L, ev->ud, ev->err); break;
|
||||
}
|
||||
|
|
|
@ -1,2 +1,6 @@
|
|||
# Empirical value to prevent a firmware crash due to stack overflow.
|
||||
CONFIG_MAIN_TASK_STACK_SIZE=8192
|
||||
|
||||
# Enable address reuse for sockets in TIME_WAIT
|
||||
# see https://github.com/nodemcu/nodemcu-firmware/pull/1838
|
||||
CONFIG_LWIP_SO_REUSE=y
|
||||
|
|
Loading…
Reference in New Issue