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WIP XEP-0198: implement stream management

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Stream management is enabled when server supports it. There is no option
to disable it.
This commit is contained in:
Dmitry Podgorny
2017-07-15 21:11:03 +03:00
committed by Steffen Jaeckel
parent 3600756723
commit 57bc4bbb75
4 changed files with 92 additions and 5 deletions
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38
src/conn.c
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@@ -94,6 +94,8 @@ static void _conn_attributes_destroy(xmpp_conn_t *conn,
static void _handle_stream_start(char *name, char **attrs, void *userdata);
static void _handle_stream_end(char *name, void *userdata);
static void _handle_stream_stanza(xmpp_stanza_t *stanza, void *userdata);
static void _conn_sm_handle_stanza(xmpp_conn_t *const conn,
xmpp_stanza_t *stanza);
static unsigned short _conn_default_port(xmpp_conn_t *conn,
xmpp_conn_type_t type);
static void _conn_reset(xmpp_conn_t *conn);
@@ -189,6 +191,10 @@ xmpp_conn_t *xmpp_conn_new(xmpp_ctx_t *ctx)
conn->bind_required = 0;
conn->session_required = 0;
conn->sm_support = 0;
conn->sm_enabled = 0;
conn->sm_handled_nr = 0;
conn->sm_sent_nr = 0;
conn->parser =
parser_new(conn->ctx, _handle_stream_start, _handle_stream_end,
@@ -1486,6 +1492,36 @@ static void _handle_stream_stanza(xmpp_stanza_t *stanza, void *userdata)
}
handler_fire_stanza(conn, stanza);
if (conn->sm_enabled)
_conn_sm_handle_stanza(conn, stanza);
}
/* XEP-0198 stream management */
static void _conn_sm_handle_stanza(xmpp_conn_t *const conn,
xmpp_stanza_t *stanza)
{
xmpp_stanza_t *a;
const char *name;
const char *ns;
char h[11];
ns = xmpp_stanza_get_ns(stanza);
if (ns && strcmp(ns, XMPP_NS_SM) != 0)
++conn->sm_handled_nr;
else {
name = xmpp_stanza_get_name(stanza);
if (name && strcmp(name, "r") == 0) {
a = xmpp_stanza_new(conn->ctx);
if (!a)
return; /* XXX */
xmpp_stanza_set_name(a, "a");
xmpp_stanza_set_ns(a, XMPP_NS_SM);
strophe_snprintf(h, sizeof(h), "%u", conn->sm_handled_nr);
xmpp_stanza_set_attribute(a, "h", h);
xmpp_send(conn, a);
xmpp_stanza_release(a);
}
}
}
static unsigned short _conn_default_port(xmpp_conn_t *conn,
@@ -1547,6 +1583,8 @@ static void _conn_reset(xmpp_conn_t *conn)
conn->error = 0;
conn->tls_support = 0;
conn->sm_support = 0;
conn->sm_enabled = 0;
conn->bind_required = 0;
conn->session_required = 0;