Add a checker for vc_db_table

Change-Id: I6d33f0e823f4147f39e7a7a7901d64d7c6ea0d11
Signed-off-by: sooyeon.kim <sooyeon.kim@samsung.com>

diff --git a/common/vc_cmd_db.c b/common/vc_cmd_db.c
index ade3f938fb3dd99439b18bfcf84a7a622533f443..29e21c143fb40c4b7ecbca1c10db64951e6156d7 100644 (file)
--- a/common/vc_cmd_db.c
+++ b/common/vc_cmd_db.c
@@ -65,11 +65,19 @@ int g_ref_cnt = 0;
 int g_db_cnt = 0;
 int g_backup_db_cnt = 0;
 
+static int __vc_db_check_table(sqlite3* db_handle, const char* table, bool *is_exist);
+static int __vc_db_begin_transaction(sqlite3* db_handle);
+static int __vc_db_create_table(sqlite3* db_handle, const char* table);
+static int __vc_db_rollback_transaction(sqlite3* db_handle);
+static int __vc_db_commit_transaction(sqlite3* db_handle);
+
 static int __vc_db_transaction(sqlite3* db_handle, const char* transaction)
 {
        sqlite3_stmt* pStmt = NULL;
+       int ret = -1;
 
-       int ret = sqlite3_prepare_v2(db_handle, transaction, -1, &pStmt, NULL);
+       /* prepare db */
+       ret = sqlite3_prepare_v2(db_handle, transaction, -1, &pStmt, NULL);
        if (ret != SQLITE_OK) {
                SLOG(LOG_ERROR, vc_db_tag(), "sqlite3_prepare_v2: transaction(%s), ret(%d), err(%s)", transaction, ret, sqlite3_errmsg(db_handle));
                return VC_DB_ERROR_OPERATION_FAILED;
@@ -116,6 +124,47 @@ static int __vc_db_exec_query(sqlite3* db_handle, const char* sql)
        return VC_DB_ERROR_NONE;
 }
 
+static int __vc_db_check_table(sqlite3* db_handle, const char* table, bool *is_exist)
+{
+       char* sql = NULL;
+       *is_exist = false;
+       if (0 == strncmp(table, VC_RESULT_TABLE, strlen(table))) {
+               sql = strdup("SELECT COUNT(*) FROM sqlite_master WHERE name='vc_result';");
+       } else if (0 == strncmp(table, VC_INFO_TABLE, strlen(table))) {
+               sql = strdup("SELECT COUNT(*) FROM sqlite_master WHERE name='vc_info';");
+       } else {
+               return VC_DB_ERROR_INVALID_PARAMETER;
+       }
+
+       if (NULL == sql) {
+               SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to allocate memory");
+               return VC_DB_ERROR_OUT_OF_MEMORY;
+       }
+
+       SLOG(LOG_WARN, vc_db_tag(), "[SQL] %s", sql);
+
+       char* err_msg = NULL;
+       char** results = NULL;
+       int ret = sqlite3_get_table(db_handle, sql, &results, NULL, NULL, &err_msg);
+       if (ret != SQLITE_OK) {
+               SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] sqlite3_get_table return fail, ret(%d), err(%s)", ret, err_msg);
+               sqlite3_free(err_msg);
+               return VC_DB_ERROR_OPERATION_FAILED;
+       }
+
+       if (0 != atoi(results[1])) {
+               *is_exist = true;
+               SLOG(LOG_INFO, vc_db_tag(), "[INFO] table exists (%d)", atoi(results[1]));
+       } else {
+               SLOG(LOG_INFO, vc_db_tag(), "[INFO] table doesn't exist (%d)", atoi(results[1]));
+       }
+
+       sqlite3_free_table(results);
+       free(sql);
+       sql = NULL;
+       return VC_DB_ERROR_NONE;
+}
+
 static int __vc_db_delete_commands(sqlite3* db_handle, int pid, vc_cmd_type_e type, const char* appid)
 {
        sqlite3_stmt* stmt = NULL;
@@ -134,6 +183,19 @@ static int __vc_db_delete_commands(sqlite3* db_handle, int pid, vc_cmd_type_e ty
        }
 
        int ret = 0;
+       /* check whether there is a table or not */
+       bool is_exist = false;
+       ret = __vc_db_check_table(db_handle, VC_INFO_TABLE, &is_exist);
+       if (VC_DB_ERROR_NONE != ret || false == is_exist) {
+               SLOG(LOG_WARN, vc_db_tag(), "[WARNING] There is no table (%s) (%d). Make a table", VC_INFO_TABLE, ret);
+               if (VC_DB_ERROR_NONE != __vc_db_create_table(db_handle, VC_INFO_TABLE)) {
+                       SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table(%s), %d", VC_INFO_TABLE, ret);
+                       return VC_DB_ERROR_OPERATION_FAILED;
+               }
+       } else {
+               SLOG(LOG_INFO, vc_db_tag(), "[INFO] There is the table (%s)", VC_INFO_TABLE);
+       }
+
        ret = sqlite3_prepare_v2(db_handle, sql, -1, &stmt, NULL);
        if (ret != SQLITE_OK) {
                SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] sqlite3_prepare_v2: %s", sqlite3_errmsg(db_handle));
@@ -202,6 +264,20 @@ static int __vc_db_insert_commands(sqlite3* db_handle, int pid, vc_cmd_type_e ty
        sqlite3_stmt* stmt = NULL;
        const char* sql = "INSERT INTO vc_info (id, pid, type, format, domain, command, parameter, appid, invocation_name, fixed) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?);";
        int ret = 0;
+       /* check whether there is a table or not */
+       bool is_exist = false;
+       ret = __vc_db_check_table(db_handle, VC_INFO_TABLE, &is_exist);
+       if (VC_DB_ERROR_NONE != ret || false == is_exist) {
+               SLOG(LOG_WARN, vc_db_tag(), "[WARNING] There is no table (%s) (%d). Make a table", VC_INFO_TABLE, ret);
+               if (VC_DB_ERROR_NONE != __vc_db_create_table(db_handle, VC_INFO_TABLE)) {
+                       SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table(%s), %d", VC_INFO_TABLE, ret);
+                       return VC_DB_ERROR_OPERATION_FAILED;
+               }
+       } else {
+               SLOG(LOG_INFO, vc_db_tag(), "[INFO] There is the table (%s)", VC_INFO_TABLE);
+       }
+
+       /* prepare db */
        ret = sqlite3_prepare_v2(db_handle, sql, -1, &stmt, NULL);
        if (ret != SQLITE_OK) {
                SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] sqlite3_prepare_v2: err(%s)", sqlite3_errmsg(db_handle));
@@ -314,6 +390,21 @@ static int __vc_db_get_commands(sqlite3* db_handle, int pid, vc_cmd_type_e type,
                SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to allocate memory");
                return VC_DB_ERROR_OUT_OF_MEMORY;
        }
+
+       /* check whether there is a table or not */
+       bool is_exist = false;
+       ret = __vc_db_check_table(db_handle, VC_INFO_TABLE, &is_exist);
+       if (VC_DB_ERROR_NONE != ret || false == is_exist) {
+               SLOG(LOG_WARN, vc_db_tag(), "[WARNING] There is no table (%s) (%d). Make a table", VC_INFO_TABLE, ret);
+               if (VC_DB_ERROR_NONE != __vc_db_create_table(db_handle, VC_INFO_TABLE)) {
+                       SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table(%s), %d", VC_INFO_TABLE, ret);
+                       return VC_DB_ERROR_OPERATION_FAILED;
+               }
+       } else {
+               SLOG(LOG_INFO, vc_db_tag(), "[INFO] There is the table (%s)", VC_INFO_TABLE);
+       }
+
+       /* prepare db */
        ret = sqlite3_prepare_v2(db_handle, sql, -1, &stmt, NULL);
        if (ret != SQLITE_OK) {
                SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] sqlite3_prepare_v2: %s", sqlite3_errmsg(db_handle));
@@ -393,6 +484,9 @@ static int __vc_db_get_commands(sqlite3* db_handle, int pid, vc_cmd_type_e type,
                        if (VC_COMMAND_TYPE_BACKGROUND == type && 0 == strncmp(appid, temp_text, strlen(appid))) {
                                SLOG(LOG_DEBUG, vc_db_tag(), "Skip get background commands when app is foreground, appid(%s)", appid);
 
+                               free(temp_text);
+                               temp_text = NULL;
+
                                vc_cmd_destroy(temp_cmd);
                                temp_cmd = NULL;
 
@@ -404,6 +498,11 @@ static int __vc_db_get_commands(sqlite3* db_handle, int pid, vc_cmd_type_e type,
                        }
                }
 
+               if (NULL != temp_text) {
+                       free(temp_text);
+                       temp_text = NULL;
+               }
+
                temp = sqlite3_column_int(stmt, 0);
                vc_cmd_set_id(temp_cmd, temp);
 
@@ -503,6 +602,21 @@ static int __vc_db_insert_result(sqlite3* db_handle, const char* result_text, in
        sqlite3_stmt* stmt = NULL;
        const char* sql = "INSERT INTO vc_result (id, result, event, msg, exclusive, pid, type, format, domain, command, parameter, appid, invocation_name, fixed) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);";
        int ret = 0;
+
+       /* check whether there is a table or not */
+       bool is_exist = false;
+       ret = __vc_db_check_table(db_handle, VC_RESULT_TABLE, &is_exist);
+       if (VC_DB_ERROR_NONE != ret || false == is_exist) {
+               SLOG(LOG_WARN, vc_db_tag(), "[WARNING] There is no table (%s) (%d). Make a table", VC_RESULT_TABLE, ret);
+               if (VC_DB_ERROR_NONE != __vc_db_create_table(db_handle, VC_RESULT_TABLE)) {
+                       SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table(%s), %d", VC_RESULT_TABLE, ret);
+                       return VC_DB_ERROR_OPERATION_FAILED;
+               }
+       } else {
+               SLOG(LOG_INFO, vc_db_tag(), "[INFO] There is the table (%s)", VC_RESULT_TABLE);
+       }
+
+       /* prepare db */
        ret = sqlite3_prepare_v2(db_handle, sql, -1, &stmt, NULL);
        if (ret != SQLITE_OK) {
                SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] sqlite3_prepare_v2: %s", sqlite3_errmsg(db_handle));
@@ -724,6 +838,20 @@ static int __vc_db_get_result(sqlite3* db_handle, char** result_text, int* event
                return VC_DB_ERROR_OUT_OF_MEMORY;
        }
 
+       /* check whether there is a table or not */
+       bool is_exist = false;
+       ret = __vc_db_check_table(db_handle, VC_RESULT_TABLE, &is_exist);
+       if (VC_DB_ERROR_NONE != ret || false == is_exist) {
+               SLOG(LOG_WARN, vc_db_tag(), "[WARNING] There is no table (%s) (%d). Make a table", VC_RESULT_TABLE, ret);
+               if (VC_DB_ERROR_NONE != __vc_db_create_table(db_handle, VC_RESULT_TABLE)) {
+                       SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table(%s), %d", VC_RESULT_TABLE, ret);
+                       return VC_DB_ERROR_OPERATION_FAILED;
+               }
+       } else {
+               SLOG(LOG_INFO, vc_db_tag(), "[INFO] There is the table (%s)", VC_RESULT_TABLE);
+       }
+
+       /* prepare db */
        ret = sqlite3_prepare_v2(db_handle, sql, -1, &stmt, NULL);
        if (ret != SQLITE_OK) {
                SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] sqlite3_prepare_v2: %s", sqlite3_errmsg(db_handle));
@@ -864,9 +992,10 @@ static int __vc_db_get_result(sqlite3* db_handle, char** result_text, int* event
                                __vc_db_extract_unfixed_command(*result_text, temp_fixed, &temp_unfixed);
                                vc_cmd_set_command(temp_cmd, temp_fixed);
                                vc_cmd_set_unfixed_command(temp_cmd, temp_unfixed);
-                               if (temp_unfixed)
+                               if (NULL != temp_unfixed) {
                                        free(temp_unfixed);
                                temp_unfixed = NULL;
+                               }
                        } else {
                                vc_cmd_set_command(temp_cmd, temp_command);
                        }
@@ -936,6 +1065,20 @@ static int __vc_db_get_appid(sqlite3* db_handle, const char* result, GSList** ap
        sqlite3_stmt* stmt = NULL;
        const char* sql = "SELECT * FROM vc_result WHERE type = ? AND result = ? COLLATE NOCASE;";
 
+       /* check whether there is a table or not */
+       bool is_exist = false;
+       ret = __vc_db_check_table(db_handle, VC_RESULT_TABLE, &is_exist);
+       if (VC_DB_ERROR_NONE != ret || false == is_exist) {
+               SLOG(LOG_WARN, vc_db_tag(), "[WARNING] There is no table (%s) (%d). Make a table", VC_RESULT_TABLE, ret);
+               if (VC_DB_ERROR_NONE != __vc_db_create_table(db_handle, VC_RESULT_TABLE)) {
+                       SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table(%s), %d", VC_RESULT_TABLE, ret);
+                       return VC_DB_ERROR_OPERATION_FAILED;
+               }
+       } else {
+               SLOG(LOG_INFO, vc_db_tag(), "[INFO] There is the table (%s)", VC_RESULT_TABLE);
+       }
+
+       /* prepare db */
        ret = sqlite3_prepare_v2(db_handle, sql, -1, &stmt, NULL);
        if (ret != SQLITE_OK) {
                SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] sqlite3_prepare_v2: %s", sqlite3_errmsg(db_handle));
@@ -1009,6 +1152,20 @@ int __vc_db_get_result_pid_list(sqlite3* db_handle, const char* result, GSList**
        const char* sql = "SELECT DISTINCT pid, type FROM vc_result WHERE result = ? COLLATE NOCASE ORDER BY pid ASC;";
 
 
+       /* check whether there is a table or not */
+       bool is_exist = false;
+       ret = __vc_db_check_table(db_handle, VC_RESULT_TABLE, &is_exist);
+       if (VC_DB_ERROR_NONE != ret || false == is_exist) {
+               SLOG(LOG_WARN, vc_db_tag(), "[WARNING] There is no table (%s) (%d). Make a table", VC_RESULT_TABLE, ret);
+               if (VC_DB_ERROR_NONE != __vc_db_create_table(db_handle, VC_RESULT_TABLE)) {
+                       SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table(%s), %d", VC_RESULT_TABLE, ret);
+                       return VC_DB_ERROR_OPERATION_FAILED;
+               }
+       } else {
+               SLOG(LOG_INFO, vc_db_tag(), "[INFO] There is the table (%s)", VC_RESULT_TABLE);
+       }
+
+       /* prepare db */
        ret = sqlite3_prepare_v2(db_handle, sql, -1, &stmt, NULL);
        if (ret != SQLITE_OK) {
                SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] sqlite3_prepare_v2: %s", sqlite3_errmsg(db_handle));
@@ -1077,6 +1234,20 @@ static int __vc_db_append_commands(sqlite3* db_handle, int pid, int type, vc_cmd
        sqlite3_stmt* stmt = NULL;
        const char* sql = "SELECT * FROM vc_info WHERE pid = ? AND type = ?;";
 
+       /* check whether there is a table or not */
+       bool is_exist = false;
+       ret = __vc_db_check_table(db_handle, VC_INFO_TABLE, &is_exist);
+       if (VC_DB_ERROR_NONE != ret || false == is_exist) {
+               SLOG(LOG_WARN, vc_db_tag(), "[WARNING] There is no table (%s) (%d). Make a table", VC_INFO_TABLE, ret);
+               if (VC_DB_ERROR_NONE != __vc_db_create_table(db_handle, VC_INFO_TABLE)) {
+                       SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table(%s), %d", VC_INFO_TABLE, ret);
+                       return VC_DB_ERROR_OPERATION_FAILED;
+               }
+       } else {
+               SLOG(LOG_INFO, vc_db_tag(), "[INFO] There is the table (%s)", VC_INFO_TABLE);
+       }
+
+       /* prepare db */
        ret = sqlite3_prepare_v2(db_handle, sql, -1, &stmt, NULL);
        if (ret != SQLITE_OK) {
                SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] sqlite3_prepare_v2: %s", sqlite3_errmsg(db_handle));
@@ -1228,26 +1399,27 @@ static vc_cmd_s* __vc_db_command_copy(vc_cmd_s* src_cmd)
        return temp_cmd;
 }
 
-int __vc_db_create_table(sqlite3* db_handle)
+static int __vc_db_create_table(sqlite3* db_handle, const char* table)
 {
-       const char* vc_info_sql = "CREATE TABLE IF NOT EXISTS vc_info (id INTEGER PRIMARY KEY AUTOINCREMENT, pid INTEGER, type INTEGER, format INTEGER, domain INTEGER, \
-                                       command TEXT, parameter TEXT, appid TEXT, invocation_name TEXT, fixed TEXT);";
-       const char* vc_result_sql = "CREATE TABLE IF NOT EXISTS vc_result (id INTEGER PRIMARY KEY AUTOINCREMENT, result TEXT, event INTEGER, msg TEXT, exclusive INTEGER,\
-                                       pid INTEGER, type INTEGER, format INTEGER, domain INTEGER, command TEXT, parameter TEXT, appid TEXT, invocation_name TEXT, fixed TEXT);";
+       SLOG(LOG_INFO, vc_db_tag(), "[INFO] Create DB table (%s)", table);
+       char* sql = NULL;
 
-       int ret = __vc_db_exec_query(db_handle, vc_info_sql);
-       if (ret != VC_DB_ERROR_NONE) {
-               SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table, %d", ret);
-               return VC_DB_ERROR_OPERATION_FAILED;
+       if (0 == strncmp(table, VC_RESULT_TABLE, strlen(table))) {
+               sql = strdup("CREATE TABLE IF NOT EXISTS vc_result (id INTEGER PRIMARY KEY AUTOINCREMENT, result TEXT, event INTEGER, msg TEXT, exclusive INTEGER,\
+                               pid INTEGER, type INTEGER, format INTEGER, domain INTEGER, command TEXT, parameter TEXT, appid TEXT, invocation_name TEXT, fixed TEXT);");
+       } else if (0 == strncmp(table, VC_INFO_TABLE, strlen(table))) {
+               sql = strdup("CREATE TABLE IF NOT EXISTS vc_info (id INTEGER PRIMARY KEY AUTOINCREMENT, pid INTEGER, type INTEGER, format INTEGER, domain INTEGER, \
+                               command TEXT, parameter TEXT, appid TEXT, invocation_name TEXT, fixed TEXT);");
+       } else {
+               return VC_DB_ERROR_INVALID_PARAMETER;
        }
-       SLOG(LOG_WARN, vc_db_tag(), "[SQL] %s", vc_info_sql);
 
-       ret = __vc_db_exec_query(db_handle, vc_result_sql);
+       int ret = __vc_db_exec_query(db_handle, sql);
        if (ret != VC_DB_ERROR_NONE) {
-               SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table, %d", ret);
-               return ret;
+               SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table(%s), %d", table, ret);
+               return VC_DB_ERROR_OPERATION_FAILED;
        }
-       SLOG(LOG_WARN, vc_db_tag(), "[SQL] %s", vc_result_sql);
+       SLOG(LOG_WARN, vc_db_tag(), "[SQL] %s", sql);
 
        return VC_DB_ERROR_NONE;
 }
@@ -1294,9 +1466,16 @@ int __vc_db_open_db(char** path, sqlite3** db_handle)
        if (!stat.st_size) {
                __vc_db_begin_transaction(*db_handle);
 
-               int ret = __vc_db_create_table(*db_handle);
+               int ret = -1;
+               ret = __vc_db_create_table(*db_handle, VC_INFO_TABLE);
+               if (ret != VC_DB_ERROR_NONE) {
+                       SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table(%s), %d", VC_INFO_TABLE, ret);
+                       __vc_db_rollback_transaction(*db_handle);
+                       return VC_DB_ERROR_OPERATION_FAILED;
+               }
+               ret = __vc_db_create_table(*db_handle, VC_RESULT_TABLE);
                if (ret != VC_DB_ERROR_NONE) {
-                       SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table, %d", ret);
+                       SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table(%s), %d", VC_RESULT_TABLE, ret);
                        __vc_db_rollback_transaction(*db_handle);
                        return VC_DB_ERROR_OPERATION_FAILED;
                }
@@ -1472,9 +1651,15 @@ int vc_db_create_table()
 {
        __vc_db_begin_transaction(g_db_handle);
 
-       int ret = __vc_db_create_table(g_db_handle);
+       int ret = __vc_db_create_table(g_db_handle, VC_INFO_TABLE);
+       if (ret != VC_DB_ERROR_NONE) {
+               SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table(%s), %d", VC_INFO_TABLE, ret);
+               __vc_db_rollback_transaction(g_db_handle);
+               return VC_DB_ERROR_OPERATION_FAILED;
+       }
+       ret = __vc_db_create_table(g_db_handle, VC_RESULT_TABLE);
        if (ret != VC_DB_ERROR_NONE) {
-               SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table, %d", ret);
+               SLOG(LOG_ERROR, vc_db_tag(), "[ERROR] Fail to create table(%s), %d", VC_RESULT_TABLE, ret);
                __vc_db_rollback_transaction(g_db_handle);
                return VC_DB_ERROR_OPERATION_FAILED;
        }