/****************************************************************************** * FunctionName : espconn_tcp_accept * Description : A new incoming connection has been accepted. * Parameters : arg -- Additional argument to pass to the callback function * pcb -- The connection pcb which is accepted * err -- An unused error code, always ERR_OK currently * Returns : acception result *******************************************************************************/ static err_t ICACHE_FLASH_ATTR espconn_tcp_accept(void *arg, struct tcp_pcb *pcb, err_t err) { struct espconn *espconn = arg; espconn_msg *paccept = NULL; remot_info *pinfo = NULL; LWIP_UNUSED_ARG(err); if(system_get_free_heap_size() < 8192) return ERR_MEM; // added PV` paccept = (espconn_msg *)os_zalloc(sizeof(espconn_msg)); tcp_arg(pcb, paccept); tcp_err(pcb, esponn_server_err); if (paccept == NULL) return ERR_MEM; /*insert the node to the active connection list*/ espconn_list_creat(&plink_active, paccept); paccept->preverse = espconn; paccept->pespconn = (struct espconn *)os_zalloc(sizeof(struct espconn)); if (paccept->pespconn == NULL) return ERR_MEM; paccept->pespconn->proto.tcp = (esp_tcp *)os_zalloc(sizeof(esp_tcp)); if (paccept->pespconn->proto.tcp == NULL) return ERR_MEM; //paccept->pcommon.timeout = 0x0a; //link_timer = 0x0a; paccept->pcommon.pcb = pcb; paccept->pcommon.remote_port = pcb->remote_port; paccept->pcommon.remote_ip[0] = ip4_addr1_16(&pcb->remote_ip); paccept->pcommon.remote_ip[1] = ip4_addr2_16(&pcb->remote_ip); paccept->pcommon.remote_ip[2] = ip4_addr3_16(&pcb->remote_ip); paccept->pcommon.remote_ip[3] = ip4_addr4_16(&pcb->remote_ip); os_memcpy(espconn->proto.tcp->remote_ip, paccept->pcommon.remote_ip, 4); espconn->proto.tcp->remote_port = pcb->remote_port; espconn->state = ESPCONN_CONNECT; espconn_copy_partial(paccept->pespconn, espconn); espconn_get_connection_info(espconn, &pinfo , 0); espconn_printf("espconn_tcp_accept link_cnt: %d\n", espconn->link_cnt); if (espconn->link_cnt == espconn_tcp_get_max_con_allow(espconn) + 1) return ERR_ISCONN; tcp_sent(pcb, espconn_server_sent); tcp_recv(pcb, espconn_server_recv); tcp_poll(pcb, espconn_server_poll, 8); /* every 1 seconds */ if (paccept->pespconn->proto.tcp->connect_callback != NULL) { paccept->pespconn->proto.tcp->connect_callback(paccept->pespconn); } return ERR_OK; }
/****************************************************************************** * FunctionName : espconn_tcp_accept * Description : A new incoming connection has been accepted. * Parameters : arg -- Additional argument to pass to the callback function * pcb -- The connection pcb which is accepted * err -- An unused error code, always ERR_OK currently * Returns : acception result *******************************************************************************/ static err_t ICACHE_FLASH_ATTR espconn_tcp_accept(void *arg, struct tcp_pcb *pcb, err_t err) { struct espconn *espconn = arg; espconn_msg *paccept = NULL; remot_info *pinfo = NULL; LWIP_UNUSED_ARG(err); if (!espconn || !espconn->proto.tcp) { return ERR_ARG; } tcp_arg(pcb, paccept); tcp_err(pcb, esponn_server_err); /*Ensure the active connection is less than the count of active connections on the server*/ espconn_get_connection_info(espconn, &pinfo , 0); espconn_printf("espconn_tcp_accept link_cnt: %d\n", espconn->link_cnt); if (espconn->link_cnt == espconn_tcp_get_max_con_allow(espconn)) return ERR_ISCONN; /*Creates a new active connect control message*/ paccept = (espconn_msg *)malloc(sizeof(espconn_msg)); memset(paccept, 0, sizeof(espconn_msg)); tcp_arg(pcb, paccept); if (paccept == NULL) return ERR_MEM; /*Insert the node to the active connection list*/ espconn_list_creat(&plink_active, paccept); paccept->preverse = espconn; paccept->pespconn = (struct espconn *)malloc(sizeof(struct espconn)); if (paccept->pespconn == NULL) return ERR_MEM; paccept->pespconn->proto.tcp = (esp_tcp *)malloc(sizeof(esp_tcp)); if (paccept->pespconn->proto.tcp == NULL) return ERR_MEM; /*Reserve the remote information for current active connection*/ paccept->pcommon.pcb = pcb; paccept->pcommon.remote_port = pcb->remote_port; paccept->pcommon.remote_ip[0] = ip4_addr1_16(&pcb->remote_ip.u_addr.ip4); paccept->pcommon.remote_ip[1] = ip4_addr2_16(&pcb->remote_ip.u_addr.ip4); paccept->pcommon.remote_ip[2] = ip4_addr3_16(&pcb->remote_ip.u_addr.ip4); paccept->pcommon.remote_ip[3] = ip4_addr4_16(&pcb->remote_ip.u_addr.ip4); paccept->pcommon.write_flag = true; memcpy(espconn->proto.tcp->remote_ip, paccept->pcommon.remote_ip, 4); espconn->proto.tcp->remote_port = pcb->remote_port; espconn->state = ESPCONN_CONNECT; espconn_copy_partial(paccept->pespconn, espconn); /*Set the specify function that should be called * when TCP data has been successfully delivered, * when active connection receives data, * or periodically from active connection*/ tcp_sent(pcb, espconn_server_sent); tcp_recv(pcb, espconn_server_recv); tcp_poll(pcb, espconn_server_poll, 8); /* every 1 seconds */ /*Disable Nagle algorithm default*/ tcp_nagle_disable(pcb); /*Default set the total number of espconn_buf on the unsent lists for one*/ espconn_tcp_set_buf_count(paccept->pespconn, 1); if (paccept->pespconn->proto.tcp->connect_callback != NULL) { paccept->pespconn->proto.tcp->connect_callback(paccept->pespconn); } /*Enable keep alive option*/ if (espconn_keepalive_disabled(paccept)) espconn_keepalive_enable(pcb); return ERR_OK; }