added stack trace log on error

3p/include/llhs.h

@@ -0,0 +1,80 @@
+
+#define MAX_HEADERS 	16
+#define MAX_URI  		4096
+#define MAX_BODY 		(1024 * 1024)
+#define MAX_HNAME 		128
+#define MAX_HBODY		1024
+
+#define BUFFER_INIT_SIZE	256
+#define BUFFER_GROW_FACTOR 	2
+#define BUFFER_GROW_ADDEND 	0
+
+#define BACKLOG 		128
+#define POLL_TIMEOUT 	5000
+#define MAX_POLL_EVENTS 64
+#define IMPLICIT_LENGTH 1
+
+#define MAX_CLIENTS		256
+#define MAX_ALIVE		64
+
+typedef void llhs_response;
+
+typedef enum {
+	llhs_HTTP_0_9,
+	llhs_HTTP_1_0,
+	llhs_HTTP_1_1,
+} llhs_version;
+
+typedef enum {
+	llhs_GET,
+	llhs_PUT,
+	llhs_POST,
+	llhs_HEAD,
+	llhs_TRACE,
+	llhs_PATCH,
+	llhs_DELETE,
+	llhs_OPTIONS,
+	llhs_CONNECT,
+} llhs_method;
+
+typedef struct {
+	const char *name;
+	const char *body;
+	int 		namel;
+	int 		bodyl;
+} llhs_header;
+
+typedef struct {
+	llhs_version version;
+	llhs_method  method;
+	const char  *URI;
+	int 		 URIl;
+	llhs_header headers[MAX_HEADERS];
+	int 		headerc;
+	const void *body;
+	int 		bodyl;
+} llhs_request;
+
+typedef struct {
+	_Bool occurred;
+	char message[256];
+	int  length;
+	const char *file,
+			   *func;
+	int 		line;
+} llhs_error;
+
+typedef void (*llhs_callback)(void *userp, const llhs_request *req, llhs_response *res);
+typedef void (*llhs_logger  )(void *userp, const char *level, const char *msg);
+
+_Bool llhs_serve(unsigned short port, void *userp, llhs_callback callback, llhs_logger logger, llhs_error *error);
+
+_Bool 		llhs_match (const char *x, const char *y);
+_Bool 		llhs_match2(const char *x, const char *y, int xl, int yl);
+const char *llhs_getheader(llhs_request *res, const char *name);
+
+void  llhs_setcode   (llhs_response *res, int code);
+_Bool llhs_setbody   (llhs_response *res, const void *body, int size);
+void  llhs_setbody2  (llhs_response *res,       void *body, int bodyl, void (*free)(void *addr));
+_Bool llhs_setheader (llhs_response *res, const char *name, const char *body);
+_Bool llhs_setheader2(llhs_response *res, const char *name, int body);