Amended file sending example

examples/Makefile

@@ -50,6 +50,9 @@ upload: upload.c ../mongoose.c
 auth: auth.c ../mongoose.c
 	$(CC) auth.c ../mongoose.c $(OUT) $(CFLAGS)
 
+file: file.c ../mongoose.c
+	$(CC) file.c ../mongoose.c $(OUT) $(CFLAGS)
+
 form: form.c ../mongoose.c
 	$(CC) form.c ../mongoose.c $(OUT) $(CFLAGS)
 
@@ -68,4 +71,4 @@ u:
 	./$@
 
 clean:
-	-@$(RM) hello mjpg upload post websocket auth server multi_threaded proxy websocket_html.c *.exe *.dSYM *.obj .*o u a.out
+	-@$(RM) hello mjpg upload post websocket auth file server multi_threaded proxy websocket_html.c *.exe *.dSYM *.obj .*o u a.out

examples/file.c

@@ -1,47 +1,22 @@
-#include <stdio.h>
-#include <string.h>
 #include "mongoose.h"
 
-
-static int index_html(struct mg_connection *conn) {
-  FILE *fp = (FILE *) conn->connection_param;
-  char buf[200];
-  size_t n = 0;
-
-  if (fp == NULL) {
-    fp = fopen("../mongoose.c", "r");
-    conn->connection_param = (void *) fp;
+static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
+  switch (ev) {
+    case MG_REQUEST:
+      mg_send_file(conn, "file.c");
+      return MG_MORE; // It is important to return MG_MORE after mg_send_file!
+    case MG_AUTH: return MG_TRUE;
+    default: return MG_FALSE;
   }
-
-  if (fp != NULL) {
-    n = fread(buf, 1, sizeof(buf), fp);
-    mg_send_data(conn, buf, n);
-
-    if (n < sizeof(buf) || conn->wsbits != 0) {
-      fclose(fp);
-      conn->connection_param = NULL;
-    }
-  }
-
-  return n < sizeof(buf) ? MG_REQUEST_PROCESSED : MG_REQUEST_CALL_AGAIN;
 }
 
 int main(void) {
-  struct mg_server *server;
-
-  // Create and configure the server
-  server = mg_create_server(NULL);
+  struct mg_server *server = mg_create_server(NULL, ev_handler);
   mg_set_option(server, "listening_port", "8080");
-  mg_set_request_handler(server, index_html);
 
-  // Serve request. Hit Ctrl-C to terminate the program
   printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
-  for (;;) {
-    mg_poll_server(server, 1000);
-  }
-
-  // Cleanup, and free server instance
+  for (;;) mg_poll_server(server, 1000);
   mg_destroy_server(&server);
 
   return 0;
-}
+}