new I/O multiplexer api; http echo server example draft to test the mux api; the library is now released as an amalgamation; recv/send now return the error MICROTCP_ERRCODE_WOULDBLOCK in a similar way to the BSD socket api; moved tests/loop2.c to examples/echo_tcp.c

examples/microhttp/http_parser.h

@@ -0,0 +1,70 @@
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#define HP_MAX_HEADERS 8
+
+typedef struct {
+    const char *str;
+    size_t len;
+} hp_string_t;
+
+typedef struct {
+    bool occurred;
+    char msg[256];
+} hp_error_t;
+
+typedef enum {
+    HP_METHOD_GET,
+    HP_METHOD_PUT,
+    HP_METHOD_POST,
+    HP_METHOD_HEAD,
+    HP_METHOD_PATCH,
+    HP_METHOD_TRACE,
+    HP_METHOD_DELETE,
+} hp_method_t;
+
+typedef enum {
+    HP_HOSTMODE_NAME,
+    HP_HOSTMODE_IPV4,
+    HP_HOSTMODE_IPV6,
+} hp_hostmode_t;
+
+typedef struct {
+    hp_hostmode_t mode;
+    union {
+        uint32_t ipv4;
+        uint16_t ipv6[8];
+        hp_string_t name;
+    };
+    bool  no_port;
+    uint16_t port;
+} hp_host_t;
+
+typedef struct {
+    hp_host_t host;
+    hp_string_t path;
+    hp_string_t query;
+    hp_string_t schema;
+    hp_string_t fragment;
+    hp_string_t username;
+    hp_string_t password;
+} hp_url_t;
+
+typedef struct {
+    hp_string_t name;
+    hp_string_t body;
+} hp_header_t;
+
+typedef struct {
+    int major, minor;
+    hp_url_t url;
+    hp_method_t method;
+    hp_header_t headers[HP_MAX_HEADERS];
+    size_t num_headers;
+} hp_request_t;
+
+bool hp_parse(const char *src, size_t len, hp_request_t *out, hp_error_t *err);
+bool hp_parse_url(const char *src, size_t len, hp_url_t *url, hp_error_t *err);
+hp_header_t *hp_get_header(hp_request_t req, const char *name);
+bool hp_get_content_length(hp_request_t req, size_t *out, hp_error_t *error);