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// Copyright 2018 Mimecast Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef GPARSER_H
#define GPARSER_H
#include "../datas/rbuffer.h"
#include "../defaults.h"
#include "generate.h"
#include "gtask.h"
/**
* @brief The parser definition
*
* The parser is to extract all information from the .capture file.
*/
typedef struct gparser_s_ {
bool terminate; /**< The parser thread will terminate if set to true */
generate_s *generate; /**< The generate object */
pthread_t pthread; /**< The posix thread */
rbuffer_s *queue; /**< A queue of task objects */
} gparser_s;
/**
* @brief Creates a new parser
*
* @param g The generate object
* @return The new parser object
*/
gparser_s* gparser_new(generate_s *g);
/**
* @brief Starts the parser thread
*
* @param p The parser object
*/
void gparser_start(gparser_s *p);
/**
* @brief Terminates the parser thread
*
* @param p The parser object
*/
void gparser_terminate(gparser_s *p);
/**
* @brief Destroys the parser thread
*
* @param p The parser object
*/
void gparser_destroy(gparser_s *p);
/**
* @brief Extracts information a .capture line
*
* Extracts information from a .capture line and stores it into the task
* object.
*
* @param p The parser object
* @param t The task object
*/
void gparser_extract(gparser_s *p, gtask_s *t);
/**
* @brief Extracts information from a specific token string
*
* @param p The parser object
* @param t The task object
* @param tok The token string
* @return Returns with SUCCESS on success
*/
status_e gparser_extract_tok(gparser_s *p, gtask_s *t, char *tok);
/**
* @brief Verifies the correctness of a token
*
* @param p The parser object
* @param tok The token to be verified
* @return true if token verified successfully
*/
bool gparser_token_not_ok(gparser_s *p, char *tok);
/**
* @brief Checks whether the pidtid string is correct or not
*
* @param p The parser object
* @param pidtid The string to check
* @param pid The pointer to the resulting pid
* @param tid The pointer to the resulting tid
* @return true on success
*/
bool gparser_get_pidtid(gparser_s *p, char *pidtid, long *pid, long *tid);
/**
* @brief Entry point of the parser POSIX thread
*
* @param data A pointer to the parser object
* return Always NULL
*/
void* gparser_pthread_start(void *data);
#endif // GPARSER_H
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