Simplify sending of URLs in servefile, make socket operations cancellable by the user.

servefiles/servefiles.py

@@ -67,20 +67,9 @@ try:
 	sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 	sock.connect((ip, 5000))
 
-	try:
-		payloadBytes = bytes(payload, "ascii")
-	except:
 	payloadBytes = payload.encode("ascii")
 
-	networkPayload = struct.pack('!L', len(payloadBytes)) + payloadBytes
+	sock.sendall(struct.pack('!L', len(payloadBytes)) + payloadBytes)
-
-	sentLength = 0
-	while sentLength < len(networkPayload):
-		sent = sock.send(networkPayload[sentLength:])
-		if sent == 0:
-			raise RuntimeError("Socket connection broken.")
-	
-		sentLength += sent
 
 	while len(sock.recv(1)) < 1:
 		time.sleep(0.05)

source/ui/section/remoteinstall.c

@@ -80,7 +80,7 @@ static int remoteinstall_network_recvwait(int sockfd, void* buf, size_t len, int
 
     int ret = 0;
     size_t read = 0;
-    while(((ret = recv(sockfd, buf + read, len - read, flags)) >= 0 && (read += ret) < len) || errno == EAGAIN) {
+    while((((ret = recv(sockfd, buf + read, len - read, flags)) > 0 && (read += ret) < len) || errno == EAGAIN) && !(hidKeysDown() & KEY_B)) {
         errno = 0;
     }
 
@@ -92,7 +92,7 @@ static int remoteinstall_network_sendwait(int sockfd, void* buf, size_t len, int
 
     int ret = 0;
     size_t written = 0;
-    while(((ret = send(sockfd, buf + written, len - written, flags)) >= 0 && (written += ret) < len) || errno == EAGAIN) {
+    while((((ret = send(sockfd, buf + written, len - written, flags)) > 0 && (written += ret) < len) || errno == EAGAIN) && !(hidKeysDown() & KEY_B)) {
         errno = 0;
     }