diff options
author | Jan Luebbe <jluebbe@lasnet.de> | 2008-12-27 00:45:41 +0000 |
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committer | Jan Luebbe <jluebbe@lasnet.de> | 2008-12-27 00:45:41 +0000 |
commit | 7398eb98478459d54a3516eec1697bde05c20ab0 (patch) | |
tree | b7d7aa24dc6f2133736f9036b324726408ed930c /src/db.c | |
parent | 702d8707a96a6d11dffe4ad36b6cd22584bf1238 (diff) |
add first sketch of a DB backend
Diffstat (limited to 'src/db.c')
-rw-r--r-- | src/db.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/src/db.c b/src/db.c new file mode 100644 index 000000000..904281ae9 --- /dev/null +++ b/src/db.c @@ -0,0 +1,198 @@ +#include "db.h" + +#include <stdio.h> +#include <dbi/dbi.h> + +dbi_conn conn; + +void db__error_func(dbi_conn conn, void* data) { + const char* msg; + dbi_conn_error(conn, &msg); + printf("DBI: %s\n", msg); +} + +int db_init() { + dbi_initialize(NULL); + conn = dbi_conn_new("sqlite3"); + + dbi_conn_error_handler( conn, db__error_func, NULL ); + + /* MySQL + dbi_conn_set_option(conn, "host", "localhost"); + dbi_conn_set_option(conn, "username", "your_name"); + dbi_conn_set_option(conn, "password", "your_password"); + dbi_conn_set_option(conn, "dbname", "your_dbname"); + dbi_conn_set_option(conn, "encoding", "UTF-8"); + */ + + /* SqLite 3 */ + dbi_conn_set_option(conn, "sqlite3_dbdir", "/tmp"); + dbi_conn_set_option(conn, "dbname", "hlr.sqlite3"); + + if (dbi_conn_connect(conn) < 0) { + return 1; + } + + return 0; +} + +int db_prepare() { + dbi_result result; + result = dbi_conn_query(conn, + "CREATE TABLE IF NOT EXISTS Subscriber (" + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "imsi INTEGER UNIQUE NOT NULL, " + "tmsi INTEGER UNIQUE, " + "extension TEXT UNIQUE, " + "lac INTEGER" + ")" + ); + if (result==NULL) { + printf("DB: Failed to create Subscriber table.\n"); + return 1; + } + dbi_result_free(result); + result = dbi_conn_query(conn, + "CREATE TABLE IF NOT EXISTS Equipment (" + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "imei INTEGER UNIQUE NOT NULL" + ")" + ); + if (result==NULL) { + printf("DB: Failed to create Equipment table.\n"); + return 1; + } + dbi_result_free(result); + return 0; +} + +int db_fini() { + dbi_conn_close(conn); + dbi_shutdown(); +} + +int db_insert_imei(uint64_t imei) { + dbi_result result; + result = dbi_conn_queryf(conn, + "INSERT OR IGNORE INTO Equipment " + "(imei) " + "VALUES " + "(%llu) ", + imei + ); + if (result==NULL) { + printf("DB: Failed to create Equipment by IMEI.\n"); + return 1; + } + dbi_result_free(result); + return 0; +} + +int db_insert_imsi(uint64_t imsi) { + dbi_result result; + result = dbi_conn_queryf(conn, + "INSERT OR IGNORE INTO Subscriber " + "(imsi) " + "VALUES " + "(%llu) ", + imsi + ); + if (result==NULL) { + printf("DB: Failed to create Subscriber by IMSI.\n"); + return 1; + } + dbi_result_free(result); + return 0; +} + +int db_imsi_set_tmsi(uint64_t imsi, uint64_t tmsi) { + if (db_insert_imsi(imsi)) { + return 1; + } + dbi_result result; + result = dbi_conn_queryf(conn, + "UPDATE Subscriber " + "SET tmsi = %llu " + "WHERE imsi = %llu ", + tmsi, imsi + ); + if (result==NULL) { + printf("DB: Failed to update Subscriber with TMSI by IMSI.\n"); + return 1; + } + dbi_result_free(result); + return 0; +} + +int db_imsi_set_lac(uint64_t imsi, uint16_t lac) { + if (db_insert_imsi(imsi)) { + return 1; + } + dbi_result result; + result = dbi_conn_queryf(conn, + "UPDATE Subscriber " + "SET lac = %u " + "WHERE imsi = %llu ", + lac, imsi + ); + if (result==NULL) { + printf("DB: Failed to update Subscriber with LAC by IMSI.\n"); + return 1; + } + dbi_result_free(result); + return 0; +} + +int db__parse_subscriber(dbi_result result, db_subscriber* subscriber) { + if (!dbi_result_first_row(result)) { + printf("DB: Failed to find Subscriber.\n"); + return 1; + } + subscriber->imsi = dbi_result_get_ulonglong(result, "imsi"); + subscriber->tmsi = dbi_result_get_ulonglong(result, "tmsi"); + // FIXME handle extension + subscriber->lac = dbi_result_get_uint(result, "lac"); + printf("DB: Subscriber: IMSI %llu, TMSI %llu, LAC %hu\n", subscriber->imsi, subscriber->tmsi, subscriber->lac); + return 0; +} + +int db_imsi_get_subscriber(uint64_t imsi, db_subscriber* subscriber) { + dbi_result result; + result = dbi_conn_queryf(conn, + "SELECT * FROM Subscriber " + "WHERE imsi = %llu ", + imsi + ); + if (result==NULL) { + printf("DB: Failed to find Subscriber by IMSI.\n"); + return 1; + } + if (db__parse_subscriber(result, subscriber)) { + printf("DB: Failed to parse Subscriber.\n"); + dbi_result_free(result); + return 1; + } + dbi_result_free(result); + return 0; +} + +int db_tmsi_get_subscriber(uint64_t tmsi, db_subscriber* subscriber) { + dbi_result result; + result = dbi_conn_queryf(conn, + "SELECT * FROM Subscriber " + "WHERE tmsi = %llu ", + tmsi + ); + if (result==NULL) { + printf("DB: Failed to find Subscriber by TMSI.\n"); + return 1; + } + if (db__parse_subscriber(result, subscriber)) { + printf("DB: Failed to parse Subscriber.\n"); + dbi_result_free(result); + return 1; + } + dbi_result_free(result); + return 0; +} + |