app_sendtext.c File Reference

App to transmit a text message. More...

#include "asterisk.h"
#include "asterisk/file.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/app.h"
#include "asterisk/message.h"

Include dependency graph for app_sendtext.c:

Go to the source code of this file.

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
struct ast_module *	AST_MODULE_SELF_SYM (void)
static int	load_module (void)
static int	recvtext_exec (struct ast_channel *chan, const char *data)
static int	sendtext_exec (struct ast_channel *chan, const char *data)
static int	unload_module (void)

Variables
static struct ast_module_info	__mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Send and Receive Text Applications" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, }
static const char *const	app = "SendText"
static const char *const	app2 = "ReceiveText"
static const struct ast_module_info *	ast_module_info = &__mod_info

Detailed Description

App to transmit a text message.

Author

Mark Spencer marks.nosp@m.ter@.nosp@m.digiu.nosp@m.m.co.nosp@m.m

Naveen Albert aster.nosp@m.isk@.nosp@m.phrea.nosp@m.knet.nosp@m..org

Note

Requires support of sending text messages from channel driver

Definition in file app_sendtext.c.

Function Documentation

__reg_module()

static void __reg_module ( void  )

static

Definition at line 334 of file app_sendtext.c.

__unreg_module()

static void __unreg_module ( void  )

static

Definition at line 334 of file app_sendtext.c.

AST_MODULE_SELF_SYM()

struct ast_module * AST_MODULE_SELF_SYM

(

void

)

Definition at line 334 of file app_sendtext.c.

load_module()

static int load_module ( void  )

static

Definition at line 324 of file app_sendtext.c.

{
    int res;
 
    res = ast_register_application_xml(app, sendtext_exec);
    res |= ast_register_application_xml(app2, recvtext_exec);
 
    return res;
}

References app, app2, ast_register_application_xml, recvtext_exec(), and sendtext_exec().

recvtext_exec()

static int recvtext_exec ( struct ast_channel *  chan, const char *  data  )

static

Definition at line 283 of file app_sendtext.c.

{
    double timeout = 0, timeout_ms = 0;
    char *parse, *buf;
 
    AST_DECLARE_APP_ARGS(args,
        AST_APP_ARG(timeout);
    );
 
    parse = ast_strdupa(data);
 
    AST_STANDARD_APP_ARGS(args, parse);
 
    if (!ast_strlen_zero(args.timeout)) {
        if (sscanf(args.timeout, "%30lg", &timeout) != 1) {
            ast_log(LOG_WARNING, "Invalid timeout provided: %s. No timeout set.\n", args.timeout);
            return -1;
        }
        timeout_ms = timeout * 1000.0;
    }
 
    buf = ast_recvtext(chan, timeout_ms);
    pbx_builtin_setvar_helper(chan, "RECEIVETEXTSTATUS", buf ? "SUCCESS" : "FAILURE");
    if (buf) {
        pbx_builtin_setvar_helper(chan, "RECEIVETEXTMESSAGE", buf);
        ast_free(buf);
    }
 
    return 0;
}

References args, AST_APP_ARG, AST_DECLARE_APP_ARGS, ast_free, ast_log, ast_recvtext(), AST_STANDARD_APP_ARGS, ast_strdupa, ast_strlen_zero(), buf, LOG_WARNING, and pbx_builtin_setvar_helper().

Referenced by load_module().

sendtext_exec()

static int sendtext_exec ( struct ast_channel *  chan, const char *  data  )

static

Definition at line 192 of file app_sendtext.c.

{
    char *status;
    char *msg_type;
    struct ast_str *str;
    const char *from;
    const char *to;
    const char *content_type;
    const char *body;
    int rc = 0;
 
    ast_channel_lock(chan);
    from = pbx_builtin_getvar_helper(chan, "SENDTEXT_FROM_DISPLAYNAME");
    to = pbx_builtin_getvar_helper(chan, "SENDTEXT_TO_DISPLAYNAME");
    content_type = pbx_builtin_getvar_helper(chan, "SENDTEXT_CONTENT_TYPE");
    body = S_OR(pbx_builtin_getvar_helper(chan, "SENDTEXT_BODY"), data);
    body = S_OR(body, "");
 
    if (!(str = ast_str_alloca(strlen(body) + 1))) {
        rc = -1;
        goto cleanup;
    }
    ast_str_get_encoded_str(&str, -1, body);
    body = ast_str_buffer(str);
 
    msg_type = "NONE";
    status = "UNSUPPORTED";
    if (ast_channel_tech(chan)->send_text_data) {
        struct ast_msg_data *msg;
        struct ast_msg_data_attribute attrs[] =
        {
            {
                .type = AST_MSG_DATA_ATTR_FROM,
                .value = (char *)S_OR(from, ""),
            },
            {
                .type = AST_MSG_DATA_ATTR_TO,
                .value = (char *)S_OR(to, ""),
            },
            {
                .type = AST_MSG_DATA_ATTR_CONTENT_TYPE,
                .value = (char *)S_OR(content_type, ""),
            },
            {
                .type = AST_MSG_DATA_ATTR_BODY,
                .value = (char *)S_OR(body, ""),
            },
        };
 
        msg_type = "ENHANCED";
        msg = ast_msg_data_alloc(AST_MSG_DATA_SOURCE_TYPE_IN_DIALOG, attrs, ARRAY_LEN(attrs));
        if (msg) {
            if (ast_sendtext_data(chan, msg) == 0) {
                status = "SUCCESS";
            } else {
                status = "FAILURE";
            }
 
            ast_free(msg);
        } else {
            rc = -1;
            goto cleanup;
        }
 
    } else if (ast_channel_tech(chan)->send_text) {
        if (!ast_strlen_zero(content_type) && !ast_begins_with(content_type, "text/")) {
            rc = -1;
            goto cleanup;
        }
 
        msg_type = "BASIC";
        if (ast_sendtext(chan, body) == 0) {
            status = "SUCCESS";
        } else {
            status = "FAILURE";
        }
    }
 
    pbx_builtin_setvar_helper(chan, "SENDTEXTTYPE", msg_type);
    pbx_builtin_setvar_helper(chan, "SENDTEXTSTATUS", status);
 
cleanup:
    pbx_builtin_setvar_helper(chan, "SENDTEXT_FROM_DISPLAYNAME", NULL);
    pbx_builtin_setvar_helper(chan, "SENDTEXT_TO_DISPLAYNAME", NULL);
    pbx_builtin_setvar_helper(chan, "SENDTEXT_CONTENT_TYPE", NULL);
    pbx_builtin_setvar_helper(chan, "SENDTEXT_BODY", NULL);
    ast_channel_unlock(chan);
 
    return rc;
}

References ARRAY_LEN, ast_begins_with(), ast_channel_lock, ast_channel_tech(), ast_channel_unlock, ast_free, ast_msg_data_alloc(), AST_MSG_DATA_ATTR_BODY, AST_MSG_DATA_ATTR_CONTENT_TYPE, AST_MSG_DATA_ATTR_FROM, AST_MSG_DATA_ATTR_TO, AST_MSG_DATA_SOURCE_TYPE_IN_DIALOG, ast_sendtext(), ast_sendtext_data(), ast_str_alloca, ast_str_buffer(), ast_str_get_encoded_str(), ast_strlen_zero(), cleanup(), NULL, pbx_builtin_getvar_helper(), pbx_builtin_setvar_helper(), S_OR, send_text(), status, str, and ast_msg_data_attribute::type.

Referenced by load_module().

unload_module()

static int unload_module ( void  )

static

Definition at line 314 of file app_sendtext.c.

{
    int res;
    
    res = ast_unregister_application(app);
    res |= ast_unregister_application(app2);
 
    return res;
}

References app, app2, and ast_unregister_application().

Variable Documentation

__mod_info

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Send and Receive Text Applications" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, }

static

Definition at line 334 of file app_sendtext.c.

app

const char* const app = "SendText"

static

Definition at line 189 of file app_sendtext.c.

Referenced by load_module(), and unload_module().

app2

const char* const app2 = "ReceiveText"

static

Definition at line 190 of file app_sendtext.c.

Referenced by load_module(), and unload_module().

ast_module_info

const struct ast_module_info* ast_module_info = &__mod_info

static

Definition at line 334 of file app_sendtext.c.