void ICACHE_FLASH_ATTR http_process_free_connection(http_connection *conn){
http_reset_buffer(conn);
conn->espConnection=NULL;
conn->cgi.function=NULL;
conn->cgi.data=NULL;
conn->cgi.argument=NULL;
//free headers
int j=0;
while(j<MAX_HEADERS){
if(conn->headers[j].value!=NULL
&& (conn->headers[j].value!=conn->headers[j].key))
{
os_free(conn->headers[j].value);
conn->headers[j].value=NULL;
}
conn->headers[j].key=NULL;
j++;
}
//free buffer
os_free(conn->output.buffer);
}
//ws
int ICACHE_FLASH_ATTR http_websocket_HANDSHAKE(http_connection *c){
http_reset_buffer(c);
int ret = http_write(c," HTTP/1.1 101 Switching Protocols")
&& http_end_line(c)
&& http_end_headers(c);
}
//REQUEST
int ICACHE_FLASH_ATTR http_request_start(http_connection *c,const char *method,const char *path){
http_reset_buffer(c);
int ret = http_write(c,method)
&& http_write(c," ")
&& http_write(c,path)
&& http_write(c," HTTP/1.0")
&& http_end_line(c)
&& http_HEADER(c,HTTP_CONNECTION,"Close");
NODE_DBG("Request: %s",c->output.buffer);
}
int ICACHE_FLASH_ATTR http_transmit(http_connection *c){
NODE_DBG("Transmit Buffer");
int len = (c->output.bufferPos - c->output.buffer);
if(len>0 && len <= HTTP_BUFFER_SIZE){
espconn_send(c->espConnection, (uint8_t*)(c->output.buffer),len);
}
else{
NODE_DBG("Wrong transmit size %d",len);
}
//free buffer
http_reset_buffer(c);
return len;
}
http_connection ICACHE_FLASH_ATTR * http_new_connection(uint8_t in,struct espconn *conn){
int i;
//Find empty connection in pool
for (i=0; i<MAX_CONNECTIONS; i++) if (connection_poll[i].espConnection==NULL) break;
if (i>=MAX_CONNECTIONS) {
NODE_DBG("Connection pool overflow!");
if(conn!=NULL){
espconn_disconnect(conn);
}
return;
}
NODE_DBG("\nNew connection, conn=%p, pool slot %d", conn, i);
if(conn!=NULL){
connection_poll[i].espConnection=conn;
connection_poll[i].espConnection->reverse=&connection_poll[i];
}
//allocate buffer
connection_poll[i].output.buffer = (uint8_t *)os_zalloc(HTTP_BUFFER_SIZE);
//zero headers again- for sanity
int j=0;
while(j<MAX_HEADERS){
if(connection_poll[i].headers[j].value!=NULL
&& (connection_poll[i].headers[j].value!=connection_poll[i].headers[j].key)){
os_free(connection_poll[i].headers[j].value);
connection_poll[i].headers[j].value=NULL;
}
connection_poll[i].headers[j].key=NULL;
j++;
}
//mark cgi as not done
connection_poll[i].cgi.done=0;
//free response buffer again
http_reset_buffer(&connection_poll[i]);
//init body
connection_poll[i].body.len=0;
connection_poll[i].body.save=0;
connection_poll[i].body.data=NULL;
//reset parser
http_parser_settings_init(&(connection_poll[i].parser_settings));
connection_poll[i].parser_settings.on_message_begin=on_message_begin;
connection_poll[i].parser_settings.on_url=on_url;
connection_poll[i].parser_settings.on_header_field=on_header_field;
connection_poll[i].parser_settings.on_header_value=on_header_value;
connection_poll[i].parser_settings.on_headers_complete=on_headers_complete;
connection_poll[i].parser_settings.on_body=on_body;
connection_poll[i].parser_settings.on_message_complete=on_message_complete;
//attach httpd connection to data (socket info) so we may retrieve it easily inside parser callbacks
connection_poll[i].parser.data=(&connection_poll[i]);
//init parser
if(in){
http_parser_init(&(connection_poll[i].parser),HTTP_REQUEST);
//register espconn callbacks
espconn_regist_recvcb(conn, http_process_received_cb);
espconn_regist_reconcb(conn, http_process_reconnect_cb);
espconn_regist_disconcb(conn, http_process_disconnect_cb);
espconn_regist_sentcb(conn, http_process_sent_cb);
}
else{
http_parser_init(&(connection_poll[i].parser),HTTP_RESPONSE);
connection_poll[i].espConnection = &connection_poll[i].client_connection;
connection_poll[i].espConnection->reverse=&connection_poll[i]; //set reverse object
connection_poll[i].espConnection->type=ESPCONN_TCP;
connection_poll[i].espConnection->state=ESPCONN_NONE;
connection_poll[i].espConnection->proto.tcp = &connection_poll[i].client_tcp;
//register espconn callbacks
espconn_regist_recvcb(connection_poll[i].espConnection, http_process_received_cb);
espconn_regist_reconcb(connection_poll[i].espConnection, http_process_reconnect_cb);
espconn_regist_disconcb(connection_poll[i].espConnection, http_process_disconnect_cb);
espconn_regist_sentcb(connection_poll[i].espConnection, http_process_sent_cb);
}
espconn_regist_time(conn,30,0);
return &connection_poll[i];
}
