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https://github.com/strophe/libstrophe.git
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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.
134 lines
3.9 KiB
C
134 lines
3.9 KiB
C
/* basic.c
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** libstrophe XMPP client library -- basic usage 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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#include <stdio.h>
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#include <string.h>
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#include <strophe.h>
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/* hardcoded TCP keepalive timeout and interval */
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#define KA_TIMEOUT 60
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#define KA_INTERVAL 1
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/* define a handler for connection events */
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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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int secured;
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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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secured = xmpp_conn_is_secured(conn);
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fprintf(stderr, "DEBUG: connection is %s.\n",
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secured ? "secured" : "NOT secured");
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xmpp_disconnect(conn);
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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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xmpp_log_t *log;
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char *jid, *pass, *host = NULL;
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long flags = 0;
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int tcp_keepalive = 0;
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int i;
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/* take a jid and password on the command line */
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for (i = 1; i < argc; ++i) {
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if (strcmp(argv[i], "--disable-tls") == 0)
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flags |= XMPP_CONN_FLAG_DISABLE_TLS;
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else if (strcmp(argv[i], "--mandatory-tls") == 0)
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flags |= XMPP_CONN_FLAG_MANDATORY_TLS;
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else if (strcmp(argv[i], "--trust-tls") == 0)
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flags |= XMPP_CONN_FLAG_TRUST_TLS;
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else if (strcmp(argv[i], "--legacy-ssl") == 0)
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flags |= XMPP_CONN_FLAG_LEGACY_SSL;
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else if (strcmp(argv[i], "--legacy-auth") == 0)
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flags |= XMPP_CONN_FLAG_LEGACY_AUTH;
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else if (strcmp(argv[i], "--tcp-keepalive") == 0)
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tcp_keepalive = 1;
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else
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break;
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}
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if ((argc - i) < 2 || (argc - i) > 3) {
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fprintf(stderr, "Usage: basic [options] <jid> <pass> [<host>]\n\n"
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"Options:\n"
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" --disable-tls Disable TLS.\n"
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" --mandatory-tls Deny plaintext connection.\n"
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" --trust-tls Trust TLS certificate.\n"
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" --legacy-ssl Use old style SSL.\n"
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" --legacy-auth Allow legacy authentication.\n"
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" --tcp-keepalive Configure TCP keepalive.\n\n"
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"Note: --disable-tls conflicts with --mandatory-tls or "
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"--legacy-ssl\n");
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return 1;
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}
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jid = argv[i];
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pass = argv[i + 1];
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if (i + 2 < argc)
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host = argv[i + 2];
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/*
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* Note, this example doesn't handle errors. Applications should check
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* return values of non-void functions.
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*/
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/* init library */
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xmpp_initialize();
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/* pass NULL instead to silence output */
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log = xmpp_get_default_logger(XMPP_LEVEL_DEBUG);
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/* create a context */
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ctx = xmpp_ctx_new(NULL, log);
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/* create a connection */
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conn = xmpp_conn_new(ctx);
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/* configure connection properties (optional) */
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xmpp_conn_set_flags(conn, flags);
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/* configure TCP keepalive (optional) */
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if (tcp_keepalive)
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xmpp_conn_set_keepalive(conn, KA_TIMEOUT, KA_INTERVAL);
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/* setup authentication information */
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xmpp_conn_set_jid(conn, jid);
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xmpp_conn_set_pass(conn, pass);
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/* initiate connection */
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xmpp_connect_client(conn, host, 0, conn_handler, ctx);
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/* enter the event loop -
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our connect handler will trigger an exit */
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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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/* final shutdown of the library */
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xmpp_shutdown();
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return 0;
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}
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