db8a511f68
Const variables in prototypes don't add much value, but make the code larger and redundant. Remove these const keywords. Note, this doesn't apply to pointers to const memory.
138 lines
3.4 KiB
C
138 lines
3.4 KiB
C
/* roster.c
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** libstrophe XMPP client library -- handler example
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**
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** Copyright (C) 2005-2009 Collecta, Inc.
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**
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** This software is provided AS-IS with no warranty, either express
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** or implied.
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**
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** This program is dual licensed under the MIT and GPLv3 licenses.
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*/
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/* This example demonstrates basic handler functions by printing out
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** the user's roster.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <strophe.h>
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int handle_reply(xmpp_conn_t *conn, xmpp_stanza_t *stanza, void *userdata)
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{
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xmpp_stanza_t *query, *item;
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const char *type, *name;
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(void)userdata;
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type = xmpp_stanza_get_type(stanza);
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if (strcmp(type, "error") == 0)
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fprintf(stderr, "ERROR: query failed\n");
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else {
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query = xmpp_stanza_get_child_by_name(stanza, "query");
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printf("Roster:\n");
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for (item = xmpp_stanza_get_children(query); item;
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item = xmpp_stanza_get_next(item))
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if ((name = xmpp_stanza_get_attribute(item, "name")))
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printf("\t %s (%s) sub=%s\n", name,
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xmpp_stanza_get_attribute(item, "jid"),
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xmpp_stanza_get_attribute(item, "subscription"));
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else
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printf("\t %s sub=%s\n", xmpp_stanza_get_attribute(item, "jid"),
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xmpp_stanza_get_attribute(item, "subscription"));
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printf("END OF LIST\n");
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}
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/* disconnect */
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xmpp_disconnect(conn);
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return 0;
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}
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void conn_handler(xmpp_conn_t *conn,
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xmpp_conn_event_t status,
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int error,
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xmpp_stream_error_t *stream_error,
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void *userdata)
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{
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xmpp_ctx_t *ctx = (xmpp_ctx_t *)userdata;
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xmpp_stanza_t *iq, *query;
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(void)error;
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(void)stream_error;
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if (status == XMPP_CONN_CONNECT) {
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fprintf(stderr, "DEBUG: connected\n");
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/* create iq stanza for request */
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iq = xmpp_iq_new(ctx, "get", "roster1");
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query = xmpp_stanza_new(ctx);
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xmpp_stanza_set_name(query, "query");
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xmpp_stanza_set_ns(query, XMPP_NS_ROSTER);
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xmpp_stanza_add_child(iq, query);
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/* we can release the stanza since it belongs to iq now */
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xmpp_stanza_release(query);
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/* set up reply handler */
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xmpp_id_handler_add(conn, handle_reply, "roster1", ctx);
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/* send out the stanza */
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xmpp_send(conn, iq);
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/* release the stanza */
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xmpp_stanza_release(iq);
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} else {
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fprintf(stderr, "DEBUG: disconnected\n");
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xmpp_stop(ctx);
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}
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}
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int main(int argc, char **argv)
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{
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xmpp_ctx_t *ctx;
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xmpp_conn_t *conn;
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if (argc != 3) {
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fprintf(stderr, "Usage: roster <jid> <pass>\n\n");
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return 1;
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}
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/* initialize lib */
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xmpp_initialize();
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/* create a context */
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ctx = xmpp_ctx_new(NULL, NULL);
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/* create a connection */
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conn = xmpp_conn_new(ctx);
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/*
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* also you can disable TLS support or force legacy SSL
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* connection without STARTTLS
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*
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* see xmpp_conn_set_flags() or examples/basic.c
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*/
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/* setup authentication information */
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xmpp_conn_set_jid(conn, argv[1]);
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xmpp_conn_set_pass(conn, argv[2]);
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/* initiate connection */
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xmpp_connect_client(conn, NULL, 0, conn_handler, ctx);
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/* start the event loop */
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xmpp_run(ctx);
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/* release our connection and context */
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xmpp_conn_release(conn);
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xmpp_ctx_free(ctx);
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/* shutdown lib */
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xmpp_shutdown();
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return 0;
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}
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