7.0 refactor

src/net.h

@@ -0,0 +1,63 @@
+#pragma once
+
+#include "arch.h"
+#include "event.h"
+#include "iobuf.h"
+
+struct mg_mgr {
+  struct mg_connection *conns;  // List of active connections
+  struct mg_connection *dnsc;   // DNS resolver connection
+  const char *dnsserver;        // DNS server URL
+  int dnstimeout;               // DNS resolve timeout in milliseconds
+#if MG_ARCH == MG_ARCH_FREERTOS
+  SocketSet_t ss;  // NOTE(lsm): referenced from socket struct
+#endif
+};
+
+struct mg_addr {
+  uint16_t port;  // TCP or UDP port in network byte order
+  uint32_t ip;    // IP address in network byte order
+};
+
+struct mg_connection {
+  struct mg_connection *next;  // Linkage in struct mg_mgr :: connections
+  struct mg_mgr *mgr;          // Our container
+  struct mg_addr peer;         // Remote peer address
+  void *fd;                    // Connected socket, or LWIP data
+  struct mg_iobuf recv;        // Incoming data
+  struct mg_iobuf send;        // Outgoing data
+  mg_event_handler_t fn;       // User-specified event handler function
+  void *fn_data;               // User-speficied function parameter
+  mg_event_handler_t pfn;      // Protocol-specific handler function
+  void *pfn_data;              // Protocol-specific function parameter
+  char label[32];              // Arbitrary label
+  void *tls;                   // TLS specific data
+  unsigned is_listening : 1;   // Listening connection
+  unsigned is_client : 1;      // Outbound (client) connection
+  unsigned is_accepted : 1;    // Accepted (server) connection
+  unsigned is_resolving : 1;   // Non-blocking DNS resolv is in progress
+  unsigned is_connecting : 1;  // Non-blocking connect is in progress
+  unsigned is_tls : 1;         // TLS-enabled connection
+  unsigned is_tls_hs : 1;      // TLS handshake is in progress
+  unsigned is_udp : 1;         // UDP connection
+  unsigned is_websocket : 1;   // WebSocket connection
+  unsigned is_hexdumping : 1;  // Hexdump in/out traffic
+  unsigned is_draining : 1;    // Send remaining data, then deallocate
+  unsigned is_closing : 1;     // Deallocate connection
+  unsigned is_readable : 1;    // Connection is ready to read
+  unsigned is_writable : 1;    // Connection is ready to write
+};
+
+void mg_mgr_poll(struct mg_mgr *, int ms);
+void mg_mgr_init(struct mg_mgr *);
+void mg_mgr_free(struct mg_mgr *);
+
+struct mg_connection *mg_listen(struct mg_mgr *, const char *url,
+                                mg_event_handler_t fn, void *fn_data);
+struct mg_connection *mg_connect(struct mg_mgr *, const char *url,
+                                 mg_event_handler_t fn, void *fn_data);
+int mg_send(struct mg_connection *, const void *, size_t);
+int mg_printf(struct mg_connection *, const char *fmt, ...);
+int mg_vprintf(struct mg_connection *, const char *fmt, va_list ap);
+char *mg_straddr(struct mg_connection *, char *, size_t);
+bool mg_socketpair(int *s1, int *s2);