/********************************************************************************
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* Copyright: (C) guowenxue<guowenxue@gmail.com>
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* All rights reserved.
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*
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* Filename: ppp.h
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* Description: This head file is for PPP dial up thread.
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*
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* Version: 1.0.0(02/17/2012~)
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* Author: Guo Wenxue <guowenxue@gmail.com>
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* ChangeLog: 1, Release initial version on "02/17/2012 11:11:54 AM"
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*
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********************************************************************************/
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#ifndef __PPP_H
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#define __PPP_H
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#include <netinet/in.h>
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#include "cp_comport.h"
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#include "cp_proc.h"
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#include "cp_gprs.h"
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#define PPPD_DIAL_TIMEOUT 20000 /* 20 seconds */
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#define PING_INTERVAL_TIME 10000 /* 10 seconds */
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#define DEFAULT_PING_INTERVAL 30
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#define APN_LEN 128
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#define UID_LEN 64
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#define PWD_LEN 64
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#define APN_3G 3
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#define APN_2G 2
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#define PPPD_DIAL_SCRIPTS "/apps/tools/ifup-ppp"
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#define PPP_INTERFACE_NAME "ppp10"
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#define PPP_PROC_NET_DEV "/proc/net/dev"
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#define DEF_PING_DST "4.2.2.2"
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#define APN_DEF_CONF_FILE "/apps/etc/ppp/default_apn.conf"
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enum
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{
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DISCONNECT = 0,
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SELECTED_APN,
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CONNECTING,
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CONNECTED,
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};
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typedef struct apn_account_s
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{
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char apn[APN_LEN];
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char uid[UID_LEN];
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char pwd[PWD_LEN];
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char auth[10]; /* PAP or CHAP */
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} apn_account_t;
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typedef struct pppd_info_s
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{
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char netaddr[INET_ADDRSTRLEN];
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char ptpaddr[INET_ADDRSTRLEN];
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unsigned long start_time;
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unsigned long ping_time;
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pid_t pid;
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} pppd_info_t;
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typedef struct ppp_stat_s
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{
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unsigned long long ullRx_Packets; // total packets received
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unsigned long long ullTx_Packets; // total packets transmitted
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unsigned long long ullRx_Bytes; // total bytes received
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unsigned long long ullTx_Bytes; // total bytes transmitted
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unsigned long ulRx_Errors; // bad packets received
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unsigned long ulTx_Errors; // packet transmit problems
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unsigned long ulRx_Dropped; // no space in linux buffers
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unsigned long ulTx_Dropped; // no space available in linux
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unsigned long ulRx_Multicast; // multicast packets received
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unsigned long ulRx_Compressed;
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unsigned long ulTx_Compressed;
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unsigned long ulCollisions;
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/* detailed rx_errors */
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unsigned long ulRx_Length_Errors;
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unsigned long ulRx_Over_Errors; // receiver ring buff overflow
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unsigned long ulRx_CRC_Errors; // recved pkt with crc error
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unsigned long ulRx_Frame_Errors; // recv'd frame alignment error
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unsigned long ulRx_FIFO_Errors; // recv'r fifo overrun
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unsigned long ulRx_Missed_Errors; // receiver missed packet
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/* detailed tx_errors */
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unsigned long ulTx_Aborted_Errors;
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unsigned long ulTx_Carrier_Errors;
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unsigned long ulTx_FIFO_Errors;
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unsigned long ulTx_Heartbeat_Errors;
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unsigned long ulTx_Window_Errors;
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} ppp_stat_t;
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#define MAX_PPP_FAIL_CNT 3
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#define PPP_STOP 0 /* PPP not work, but signal good */
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#define SIG_WEAK 1 /* PPP not work and signal is very weak */
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#define PPP_CONN 2 /* PPP is connecting */
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#define PPP_BAD 3 /* PPP is connected, but network/signal not good */
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#define PPP_GOOD 4 /* PPP is connected and network/signal good */
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typedef struct ppp_ctx_s
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{
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unsigned char enable; /* Enable PPP thread running or not, RFU */
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unsigned char status; /* Current PPP connection status */
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unsigned char network; /* PPP network status: PPP_FAIL,PPP_BAD,PPP_GOOD */
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char dev[10]; /* PPP dial up device name, such as PPP10 */
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pthread_t thread_id; /* PPP Thread ID, RFU */
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pppd_info_t pppd_info; /* pppd process information */
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ppp_stat_t ppp_stat; /* PPP network statistic */
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unsigned char fail_cnt; /* PPP failure count */
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apn_account_t apn; /* PPP dial up APN */
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char ping_ip[INET_ADDRSTRLEN];
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long ping_interval;
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comport_t *comport;
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modinfo_t *module;
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} ppp_ctx_t;
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int get_apn_conf(char *ini_name, char *ini_key, apn_account_t *apn, unsigned char type);
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int check_pppd_pid(char *find_key);
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int check_ppp_interface(char *ppp_inf);
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int start_ppp_dial_cmd(comport_t *comport, apn_account_t *apn, char *ppp_inf);
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int check_ppp_ipaddr(pppd_info_t *pppd_info, char *ppp_inf);
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int check_ppp_stat_t(ppp_stat_t *ppp_stat, char *ppp_inf);
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int stop_ppp_connect(ppp_ctx_t *ppp_ctx);
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int start_thread_ppp(modinfo_t *module);
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#endif /* End of __PPP_H */
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