// NULL=失败
struct http_request *http_request_parse( struct buffer *buf ) {
struct http_request *request = NEW(struct http_request);
if (request == NULL) return NULL;
memset(request, 0, sizeof(request));
{
// 请求行处理
char *line = buffer_readline(buf);
if (line == NULL) {
http_request_free(request);
return NULL;
}
int ret = parse_init_line(request, line);
free(line);
line = NULL;
if(ret != 0) {
http_request_free(request);
return NULL;
}
}
request->headers = http_header_new();
// parse headers
char *line = buffer_readline(buf) ;
int ret = 0;
// 头和Body之间有一个空行
while(line != NULL && *line != '\0') {
ret = http_add_header_line(request->headers, line);
if(ret != 0) break;
free(line);
line = buffer_readline(buf);
}
if (line) free(line);
// 忽略body数据，现在还不支持
return request;
}
static void stdin_io(void) {
for (;;) {
char *line;
ssize_t size = buffer_readline(STDIN_FILENO, &line);
if (size == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) break;
if (check(size, "read()") == 0) {
report("EOF (%d)\n", STDIN_FILENO);
exit(EXIT_SUCCESS);
}
check(write(child_in, line, size), "write()");
}
}
static void client_io (int client) {
for (;;) {
char *line;
ssize_t size = buffer_readline(client, &line);
if (size == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) break;
if (size == 0 || size == -1) {
clients = ilist_del(clients, client);
close(client);
buffer_clear(client);
if (size == 0) report("exit (%d)\n", client);
else report("exit (%d): %s\n", client, strerror(errno));
break;
}
report("(%d) ", client);
check(write(STDERR_FILENO, line, size), "write()");
if (line[size-1] != '\n') fprintf(stderr, "\\\n");
check(write(child_in, line, size), "write()");
}
}
