Add request timeouts

chttp.h

@@ -22,6 +22,7 @@
 #include <winsock2.h>
 #include <ws2tcpip.h>
 #else
+#include <time.h>
 #include <limits.h>
 #include <stdarg.h>
 #include <unistd.h>
@@ -284,6 +285,16 @@ typedef struct {
 // Returns 0 on success, -1 on error
 int chttp_parse_set_cookie(CHTTP_String str, CHTTP_SetCookie *out);
 
+////////////////////////////////////////////////////////////////////////////////////////
+// src/time.h
+////////////////////////////////////////////////////////////////////////////////////////
+
+typedef uint64_t Time;
+
+#define INVALID_TIME ((Time) UINT64_MAX-1)
+
+Time get_current_time(void);
+
 ////////////////////////////////////////////////////////////////////////////////////////
 // src/secure_context.h
 ////////////////////////////////////////////////////////////////////////////////////////
@@ -398,6 +409,8 @@ typedef uint16_t Port;
 
 typedef enum {
     SOCKET_EVENT_READY,
+    SOCKET_EVENT_CREATION_TIMEOUT,
+    SOCKET_EVENT_RECV_TIMEOUT,
     SOCKET_EVENT_DISCONNECT,
 } SocketEventType;
 
@@ -495,6 +508,12 @@ typedef struct {
     // User-provided context pointer
     void *user;
 
+    Time creation_time;
+    Time last_recv_time;
+
+    Time recv_timeout;
+    Time creation_timeout;
+
     // A single connect operation may involve
     // trying to establish a connection towards
     // one of a set of addresses.
@@ -519,6 +538,10 @@ typedef struct {
 // header.
 typedef struct {
 
+    // TODO: comment
+    Time recv_timeout;
+    Time creation_timeout;
+
     // TCP listener sockets. The first is intended
     // for plaintext, while the second is for TLS.
     // The socket manager will accept and add new
@@ -567,6 +590,9 @@ int socket_manager_init(SocketManager *sm, Socket *socks,
 // Deinitialize a socket manager
 void socket_manager_free(SocketManager *sm);
 
+void socket_manager_set_creation_timeout(SocketManager *sm, int timeout);
+void socket_manager_set_recv_timeout(SocketManager *sm, int timeout);
+
 // Configure the socket manager to listen on
 // the specified interface for TCP connections.
 // Incoming connections will be automatically
@@ -608,6 +634,7 @@ typedef struct {
     void **ptrs;
     struct pollfd *polled;
     int num_polled;
+    int timeout;
 } EventRegister;
 
 // Resets the event register with the list of descriptors