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fix cpu race on ws poll

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This commit is contained in:
Anthony Minessale 2013-01-25 17:25:26 -06:00
parent 99559a3cd3
commit 2ccc771825
2 changed files with 12 additions and 3 deletions
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8
libs/sofia-sip/libsofia-sip-ua/tport/tport_type_ws.c
View File

@ -205,7 +205,9 @@ int tport_recv_stream_ws(tport_t *self)
ws_opcode_t oc;
if ( !wstp->ws_initialized ) {
ws_init(ws, self->tp_socket, 65336, wstp->ws_secure ? wspri->ssl_ctx : NULL);
if (ws_init(ws, self->tp_socket, 65336, wstp->ws_secure ? wspri->ssl_ctx : NULL) == -2) {
return 2;
}
wstp->ws_initialized = 1;
self->tp_pre_framed = 1;
return 1;
@ -213,6 +215,10 @@ int tport_recv_stream_ws(tport_t *self)
N = ws_read_frame(ws, &oc, &data);
if (N == -2) {
return 2;
}
if (N == -1000) {
if (self->tp_msg)
msg_recv_commit(self->tp_msg, 0, 1);

7
libs/sofia-sip/libsofia-sip-ua/tport/ws.c
View File

@ -283,18 +283,21 @@ int ws_handshake(wsh_t *wsh)
ssize_t ws_raw_read(wsh_t *wsh, void *data, size_t bytes)
{
ssize_t r;
int x = 0;
if (wsh->ssl) {
do {
r = SSL_read(wsh->ssl, data, bytes);
} while (r == -1 && SSL_get_error(wsh->ssl, r) == SSL_ERROR_WANT_READ);
if (x++) {usleep(10000);
} while (r == -1 && SSL_get_error(wsh->ssl, r) == SSL_ERROR_WANT_READ && x < 100);
return r;
}
do {
r = recv(wsh->sock, data, bytes, 0);
} while (r == -1 && (errno == EAGAIN || errno == EINTR));
if (x++) {usleep(10000);
} while (r == -1 && (errno == EAGAIN || errno == EINTR) && x < 100);
if (r<0) {
//printf("READ FAIL: %s\n", strerror(errno));