MTK data account processing process

1. define detailed information of data access points in custom_config_account.c
2. dataaccountapp. c matches SIM card and Access Point Information
Mmi_dtcnt_add_config_account ()
-- "Mmi_dtcnt_sim_match ()
-- "Mmi_dtcnt_add_sim_prof ()
3. srv_dtcnt_db_store_add_prof ()
--> Srv_dtcnt_db_store_acc_info_compose (): the Access Point information is written to the g_srv_dtcnt_store_ctx global variable, but the proxy information is not written. g_srv_dtcnt_store_ctx is not a member of the proxy information.
4. srv_dtcnt_db_compose_acc_path () Create and save the Access Point Information File
Srv_dtcnt_db_fileio_save_data () writes complete information, including proxy information, to the file system.

Proxy Information Retrieval:
1. srv_dtcnt_get_proxy_info ()
Srv_dtcnt_db_store_get_acc_info () use the original account to match the data acc_info of the global variable g_srv_dtcnt_store_ctx of the account
If acc_info is obtained
Srv_dtcnt_db_store_load_prof () detailed information of the file system account, including proxy information, through acc_info
Srv_dtcnt_db_store_parse_prof () analyzes the data obtained from the file system to form srv_dtcnt_prof_common_header_struct data, corresponding to the information in custom_config_account.c
If acc_info is not obtained
Srv_dtcnt_db_store_get_sim_acc_info ()