Libstrophe : bot example : problem sending iq

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ShashiKumar MS

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Feb 2, 2015, 5:04:58 AM2/2/15
to libst...@googlegroups.com
Dear Matthew,

We required to use the xmpp client for ARM processor. while looking I came across libstrophe which has lesser dependency. while testing this i came across few problems.

I have setup an ejabber server on ubuntu. the server is working properly.

I was checking to send message, iq ane presence.

i thought bot.c will be a proper to test this.

Also i used a sample program simple.c to send a message to bot.c. The message sent from sample is successfully received by bot.c

but problem is when we try to send a iq from simple.c the iq is not received by the bot xmpp client.

below is the code of simple.c i have used. I have used bot.c as it is.

the usage for simple.c after compilation is as given below.
./simple <msg/iq> <jid> <passwd> <to> <msg>
example : ./simple m sasi@localhost sasi shashi@localhost abcdefghijklmno

regards
shashi
shashik...@gmail.com



====================================================================================================================================
/* simple.c
** libstrophe XMPP client library -- basic usage example
**
** Copyright (C) 2005-2009 Collecta, Inc.
**
** This software is provided AS-IS with no warranty, either express
** or implied.
**
** This software is distributed under license and may not be copied,
** modified or distributed except as expressly authorized under the
** terms of the license contained in the file LICENSE.txt in this
** distribution.
*/

/* simple message example
**
** This example was provided by Elmo Todurov <tod...@gmail.com>
**
** This progam just sends a simple message to the given Jabber ID.
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <strophe.h>


/** Send a single text message.
* This function sends a simple text message to a given recipient.
*
* @param conn a Strophe connection object
* @param to the JID of the recipient
* @param message the text of the message to send
*
* @ingroup Connections
*/

char check = 'i';
struct msgdata {
char* to;
char* msg;
};


void xmpp_send_message(xmpp_conn_t *conn,
const char * const to,
const char * const message)
{
xmpp_stanza_t *msg, *body, *text;
xmpp_ctx_t *ctx = xmpp_conn_get_context(conn);

msg = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(msg, "message");
xmpp_stanza_set_type(msg, "chat");
xmpp_stanza_set_attribute(msg, "to", to);

body = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(body, "body");

text = xmpp_stanza_new(ctx);
xmpp_stanza_set_text(text, message);
xmpp_stanza_add_child(body, text);
xmpp_stanza_add_child(msg, body);

xmpp_send(conn, msg);
xmpp_stanza_release(msg);
}

void xmpp_send_iq(xmpp_conn_t *conn,
const char * const to,
const char * const message)
{
xmpp_stanza_t *msg, *body, *text, *query;
xmpp_ctx_t *ctx = xmpp_conn_get_context(conn);

msg = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(msg, "iq");
xmpp_stanza_set_type(msg, "get");
xmpp_stanza_set_attribute(msg, "to", "sasi@localhost");
xmpp_stanza_set_attribute(msg, "from", "shashi@localhost");
xmpp_stanza_set_attribute(msg, "id", "version_1");
query = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(query, "query");
xmpp_stanza_set_ns(query, "jabber:iq:version");
xmpp_stanza_add_child(msg, query);
xmpp_send(conn, msg);
xmpp_stanza_release(msg);
}


/* define a handler for connection events */
void conn_handler(xmpp_conn_t * const conn, const xmpp_conn_event_t status,
const int error, xmpp_stream_error_t * const stream_error,
void * const userdata)
{
xmpp_ctx_t *ctx = xmpp_conn_get_context(conn);
struct msgdata* msg = (struct msgdata*)userdata;

if (status == XMPP_CONN_CONNECT) {
xmpp_stanza_t* pres;
fprintf(stderr, "DEBUG: connected\n");

/* Send initial <presence/> so that we appear online to contacts */
pres = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(pres, "presence");
xmpp_send(conn, pres);
xmpp_stanza_release(pres);

/* Send a message */
//xmpp_send_simple_message(conn, msg->to, msg->msg);
if(check == 'i')
{
xmpp_send_iq(conn, msg->to, msg->msg);
}
else
{
xmpp_send_message(conn, msg->to, msg->msg);
}
free(msg);

/* Causes the conn_handler to be executed, where the event loop gets shut down */
xmpp_disconnect(conn);
}
else {
fprintf(stderr, "DEBUG: disconnected\n");
xmpp_stop(ctx);
}
}

int main(int argc, char **argv)
{
xmpp_ctx_t *ctx;
xmpp_conn_t *conn;
xmpp_log_t *log;
char *jid, *pass;

/* take a jid and password on the command line */
if (argc != 6) {
fprintf(stderr, "Usage: ./simple <jid> <pass> <to> <message>\n\n");
return 1;
}
check = *argv[1];
jid = argv[2];
pass = argv[3];

/* init library */
xmpp_initialize();

/* create a context */
log = xmpp_get_default_logger(XMPP_LEVEL_DEBUG); /* pass XMPP_LEVEL_ERROR instead to silence output */
ctx = xmpp_ctx_new(NULL, log);

/* create a connection */
conn = xmpp_conn_new(ctx);

/* setup authentication information */
xmpp_conn_set_jid(conn, jid);
xmpp_conn_set_pass(conn, pass);

/* Prepare the message for sending */
struct msgdata* msg = (struct msgdata*)malloc(sizeof(struct msgdata));
msg->to = argv[4];
msg->msg = argv[5];

/* initiate connection */
xmpp_connect_client(conn, NULL, 0, conn_handler, msg);

/* enter the event loop -
our connect handler will trigger an exit */
xmpp_run(ctx);

/* release our connection and context */
xmpp_conn_release(conn);
xmpp_ctx_free(ctx);

/* final shutdown of the library */
xmpp_shutdown();

return 0;
}
====================================================================================================================================

--
Thanks and Regards
Shashi
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