//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);
}
int ICACHE_FLASH_ATTR http_HEADER(http_connection *c,const char *header,const char *value){
NODE_DBG("Writing header: %s : %s",header,value);
return http_write(c,header)
&& http_write(c,": ")
&& http_write(c,value)
&& http_end_line(c);
}
int ICACHE_FLASH_ATTR http_response_STATUS(http_connection *c,const char * status){
return
http_response_start(c) &&
http_write(c,status) &&
http_end_line(c) &&
//default headers
http_HEADER(c,HTTP_SERVER,HTTP_DEFAULT_SERVER) &&
http_HEADER(c,HTTP_CONNECTION,"Close");
}
//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);
}
static int http_find_next_line(char *s, int len, char **ret)
{
char *r, *e;
for (e = s;
len >= 2 && NULL == (r = http_end_line(e, len));
e++, len--);
if (len >= 2) {
*ret = r;
return 0;
} else {
assert(len == 1 || len == 0);
*ret = e+len;
return 1;
}
}
inline static int get_http_version(char *s, int len, char **ret, int *minor_version)
{
char *c;
char http_str[] = "HTTP/1.";
int http_sz = sizeof(http_str)-1; // -1 for \n
c = remove_whitespace(s, len);
if (memcmp_fail_loc(c, http_str, len, http_sz, ret) ||
0 == (len - (*ret-s))) {
*minor_version = -1;
return 1;
}
c += http_sz;
*minor_version = ((int)*c) - (int)'0';
c++;
if (http_end_line(c, len - (c-s))) c += 2;
*ret = c;
return 0;
}
int ICACHE_FLASH_ATTR http_end_headers(http_connection *c){
//write cached headers
int j=0;
while(j< MAX_HEADERS){
if(c->output.headers[j].key!=NULL){
//write header
http_HEADER(c,c->output.headers[j].key,c->output.headers[j].value);
//free header
os_free(c->output.headers[j].value);
c->output.headers[j].value=NULL;
c->output.headers[j].key=NULL;
}
j++;
}
//write final empty line
return http_end_line(c);
}
