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Add mod's interface and mod-feedback prototype

This commit is contained in:
Ilja Kartašov 2019-04-08 22:19:28 +02:00
parent be8e5fa7e3
commit 6e1288472f
4 changed files with 462 additions and 0 deletions
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/******************************************************************************
*
* Copyright (c) 2017-2019 by Löwenware Ltd
* Please, refer LICENSE file for legal information
*
******************************************************************************/
/**
* @file interface.c
* @author Ilja Kartašov <ik@lowenware.com>
* @brief Interface source file for AISL SDK modules
*
* @see https://lowenware.com/
*/
#include "interface.h"
aisl_mod_ctx_t
aisl_mod_ctx_new(aislx_mod_t mod)
{
aisl_mod_ctx_t ctx;
if ((ctx = calloc(1, mod->ctx_size)) != NULL)
{
ctx->mod = mod;
}
return ctx;
}
void
aislx_mod_ctx_free(aislx_mod_ctx_t ctx)
{
free(ctx);
}
aisl_status_t
aislx_mod_on_event(aislx_mod_t mod, aisl_evt_t const evt)
{
switch(evt->code)
{
case AISL_EVENT_STREAM_OPEN:
{
aisl_evt_stream_open_t so_evt = (aisl_evt_stream_open_t)evt;
if ( strncmp(so_evt->path, mod->end_point, mod->ep_length) != 0)
return AISL_IDLE;
break;
}
case AISL_EVENT_STREAM_HEADER:
case AISL_EVENT_STREAM_INPUT:
case AISL_EVENT_STREAM_REQUEST:
case AISL_EVENT_STREAM_OUTPUT:
case AISL_EVENT_STREAM_CLOSE:
{
aislx_mod_ctx_t ctx = aisl_get_context((aisl_stream_t)evt->source);
if (!ctx)
return AISL_SUCCESS;
if (ctx->mod == mod)
break;
}
default:
return AISL_IDLE;
}
return mod->on_event(mod, evt);
}

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/******************************************************************************
*
* Copyright (c) 2017-2019 by Löwenware Ltd
* Please, refer LICENSE file for legal information
*
******************************************************************************/
/**
* @file interface.h
* @author Ilja Kartašov <ik@lowenware.com>
* @brief Interface header file for AISL SDK modules
*
* @see https://lowenware.com/aisl/
*/
#ifndef AISL_SDK_MODS_INTERFACE_H_1AEFECA5_9341_431B_8194_EA0C2E76B5EA
#define AISL_SDK_MODS_INTERFACE_H_1AEFECA5_9341_431B_8194_EA0C2E76B5EA
#include <aisl/aisl.h>
#define AISLX_MOD_INIT(MOD, END_POINT) \
do { \
((aislx_mod_t) mod)->end_point = END_POINT; \
((aislx_mod_t) mod)->ep_length = strlen(END_POINT); \
((aislx_mod_t) mod)->on_stream_event = MOD##_on_event; \
((aislx_mod_t) mod)->ctx_size = sizeof(struct context); \
} while(0) \
/** @brief AISL mod structure pointer
*/
typedef struct aislx_mod * aislx_mod_t;
/** @brief Pointer to AISL stream event observer
*/
typedef aisl_status_t
(* aislx_mod_observer_t)(aislx_mode * aislx_mod_t, aisl_evt_t const evt);
/** @brief Root level AISL mod's structure
*/
struct aislx_mod
{
const char * end_point; /**< Root mod's URL or NULL */
aislx_mod_observer_t on_event; /**< Mod's stream event observer */
size_t ctx_size; /**< Mod's context size */
uint8_t ep_length; /**< Mod's context size */
};
/** @brief Root level ASIL mod's context structure
*/
struct aislx_mod_ctx
{
aislx_mod_t mod; /**< Mod's pointer */
};
/** @brief Root level ASIL mod's context structure pointer
*/
typedef struct aislx_mod_ctx * aislx_mod_ctx_t;
/** @brief Allocates zeroed #aislx_mod_t context
* @param mod an instance of #aislx_mod_t
* @return pointer to newly allocated #aisl_mox_ctx_t
*/
aisl_mod_ctx_t
aisl_mod_ctx_new(aislx_mod_t mod);
/** @brief Frees previosly allocated #aislx_mod_ctx_t
* @param ctx an instance of mod's context structure
* */
void
aislx_mod_ctx_free(aislx_mod_ctx_t ctx);
/** @brief Wrapper function that calles mod's observer
* @param mod an instance of #aislx_mod_t
* @param evt an AISL stream event
* @return AISL_SUCCESS if event handled, AISL_IDLE if event not handled or an
* error code
*/
aisl_status_t
aislx_mod_on_event(aislx_mod_t mod, aisl_evt_t const evt);
#endif /* !AISL_SDK_MODS_INTERFACE_H */

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/******************************************************************************
*
* Copyright (c) 2017-2019 by Löwenware Ltd
* Please, refer LICENSE file for legal information
*
******************************************************************************/
/**
* @file mod-feedback.c
* @author Ilja Kartašov <ik@lowenware.com>
* @brief AISL feedback module source file
*
* @see https://lowenware.com/aisl/
*/
#include <component/query-stream.h>
#include <component/mail.h>
#include <component/validate.h>
#include <component/quick.h>
#include "mod-feedback.h"
struct context
{
struct aislx_mod_ctx root;
struct aislx_query_stream qs;
struct aislx_mail mail;
char * email;
char * message;
};
typedef struct context * context_t;
static void
context_free(context_t ctx)
{
aislx_query_stream_release(&ctx->qs);
aislx_mail_release(&ctx->mail);
if (ctx->email)
free(ctx->email);
if (ctx->message)
free(ctx->message);
aislx_mod_ctx_free(ctx);
}
static int
on_input_var( const char * key, int k_len,
const char * val, int v_len,
void * p_ctx )
{
context_t ctx = (context_t) p_ctx;
aislx_mod_feedback_t mod = (aislx_mod_feedback_t)((aislx_mod_ctx_t)ctx)->mod;
if (!ctx->email && k_len == mod->name_email_length)
{
if (strncmp(key, mod->name_email, k_len)==0)
return cstuff_strncpy(&ctx->email, val, v_len);
}
if (!ctx->message && k_len == mod->name_message_length)
{
if (strncmp(key, mod->name_message, k_len)==0)
return cstuff_strncpy(&ctx->message, val, v_len);
}
return 0;
}
static aisl_status_t
on_stream_open(aislx_mod_feedback_t mod, aisl_evt_stream_open_t const evt)
{
context_t ctx;
aisl_stream_t s = (aisl_stream_t) (evt->evt.source);
if (!(ctx = (context_t)aislx_mod_ctx_new(mod)))
goto e_malloc;
ctx->mail.from = mod->mail_from;
ctx->mail.subject = mod->mail_subject;
ctx->mail.smtp_server = mod->smtp_server;
ctx->mail.smtp_user = mod->smtp_user;
ctx->mail.smtp_password = mod->smtp_password;
ctx->mail.smtp_port = mod->smtp_port;
if(aislx_query_stream_init(&ctx->qs, on_input_var, NULL, (void*)ctx) != 0)
goto release;
aisl_set_context(s, ctx);
return AISL_SUCCESS;
release:
context_free(ctx);
e_malloc:
return AISL_MALLOC_ERROR;
}
static aisl_status_t
on_stream_header(aislx_mod_feedback_t mod, aisl_evt_stream_header_t const evt)
{
return AISL_SUCCESS;
}
static aisl_status_t
on_stream_input(aislx_mod_feedback_t mod, aisl_evt_stream_input_t const evt)
{
context_t ctx = aisl_get_context((aisl_stream_t)evt->evt.source);
aislx_query_stream_feed(ctx->qs, evt->data, evt->size);
return AISL_SUCCESS;
}
static aisl_status_t
on_stream_request(aislx_mod_feedback_t mod, aisl_evt_t const evt)
{
context_t ctx = aisl_get_context((aisl_stream_t)evt->evt.source);
aisl_stream_t s = (aisl_stream_t)evt->source;
/* finalize input */
aislx_query_stream_flush(ctx->qs);
/* verify input */
if (!ctx->email || !ctx->message || aislx_validate_email(ctx->email) != 0)
aislx_quick_response(s, AISL_HTTP_BAD_REQUEST);
ctx->mail.to = ctx->email;
ctx->mail.message = ctx->message;
/* create thread */
if (aislx_mail_send(&ctx->mail) != AISL_SUCCESS)
aislx_quick_response(s, AISL_HTTP_INTERNAL_SERVER_ERROR);
aisl_set_output_event(s, true); /**< enable output event */
return AISL_SUCCESS;
}
static aisl_status_t
on_stream_output(aislx_mod_feedback_t mod, aisl_evt_t const evt)
{
context_t ctx = aisl_get_context((aisl_stream_t)evt->evt.source);
aisl_http_response_t rc = AISL_HTTP_OK;
switch (aislx_mail_get_status(&ctx->mail))
{
case AISL_SUCCESS: break;
case AISL_IDLE: return AISL_SUCCESS;
default:
rc = AISL_HTTP_INTERNAL_SERVER_ERROR;
}
aislx_quick_response((aisl_stream_t)evt->source, rc);
return AISL_SUCCESS;
}
static aisl_status_t
on_stream_close(aislx_mod_feedback_t mod, aisl_evt_t const evt)
{
context_free((context_t)aisl_get_context((aisl_stream_t)evt->evt.source));
return AISL_SUCCESS;
}
static aisl_status_t
aislx_mod_feedback_on_event(aislx_mod_feedback_t mod, aisl_evt_t const evt)
{
switch(evt->code)
{
case AISL_EVENT_STREAM_OPEN:
return on_stream_open(mod, (aisl_evt_stream_open_t)evt);
case AISL_EVENT_STREAM_HEADER:
return on_stream_header(mod, (aisl_evt_stream_header_t)evt);
case AISL_EVENT_STREAM_INPUT:
return on_stream_input(mod, (aisl_evt_stream_input_t)evt);
case AISL_EVENT_STREAM_REQUEST:
return on_stream_request(mod, evt);
case AISL_EVENT_STREAM_OUTPUT:
return on_stream_output(mod, evt);
case AISL_EVENT_STREAM_CLOSE:
return on_stream_close(mod, evt);
default:
return AISL_IDLE;
}
}
aisl_status_t
aislx_mod_feedback_init(aislx_mod_feedback_t mod, aislx_mod_feedback_cfg_t cfg)
{
AISLX_MOD_INIT(aislx_mod_feedback, cfg->end_point);
mod->mail_subject = cfg->mail_subject;
mod->mail_from = cfg->mail_from;
mod->name_email = cfg->name_email;
mod->name_message = cfg->name_message;
mod->smtp_server = cfg->smtp_server;
mod->smtp_user = cfg->smtp_user;
mod->smtp_password = cfg->smtp_password;
mod->smtp_port = cfg->smtp_port;
mod->name_email_length = strlen(cfg->name_email);
mod->name_message_length = strlen(cfg->name_message);
return AISL_SUCCESS;
}
void
aislx_mod_feedback_release(aislx_mod_feedback_t mod)
{
}

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/******************************************************************************
*
* Copyright (c) 2017-2019 by Löwenware Ltd
* Please, refer LICENSE file for legal information
*
******************************************************************************/
/**
* @file mod-feedback.h
* @author Ilja Kartašov <ik@lowenware.com>
* @brief AISL feedback module header file
*
* @see https://lowenware.com/aisl/
*/
#ifndef AISLX_MOD_FEEDBACK_H_6CC516E4_A7F2_4A9D_B467_75DCF6F58108
#define AISLX_MOD_FEEDBACK_H_6CC516E4_A7F2_4A9D_B467_75DCF6F58108
#include <mods/interface.h>
struct aislx_mod_feedback_cfg
{
const char * end_point;
const char * mail_subject;
const char * mail_from;
const char * name_email;
const char * name_message;
const char * smtp_server;
const char * smtp_user;
const char * smtp_password;
uint16_t smtp_port;
};
struct aislx_mod_feedback
{
struct aislx_mod root;
const char * mail_subject;
const char * mail_from;
const char * name_email;
const char * name_message;
const char * smtp_server;
const char * smtp_user;
const char * smtp_password;
uint16_t smtp_port;
uint16_t name_email_length;
uint16_t name_message_length;
};
typedef struct aislx_mod_feedback * aislx_mod_feedback_t;
aisl_status_t
aislx_mod_feedback_init(aislx_mod_feedback_t mod, aislx_mod_feedback_cfg_t cfg);
void
aislx_mod_feedback_release(aislx_mod_feedback_t mod);
#endif /* !AISLX_MOD_FEEDBACK_H */