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switching to prepared statements in attachment.c

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This commit is contained in:
SJ 2013-01-28 12:10:39 +01:00
parent 879acc85c4
commit 0cabb8ce8a
9 changed files with 84 additions and 65 deletions
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4
src/archive.c
View File

@ -209,7 +209,7 @@ CLEANUP:
}
int retrieve_email_from_archive(struct session_data *sdata, FILE *dest, struct __config *cfg){
int retrieve_email_from_archive(struct session_data *sdata, struct __data *data, FILE *dest, struct __config *cfg){
int i, attachments;
char *buffer=NULL, *saved_buffer, *p, filename[SMALLBUFSIZE], pointer[SMALLBUFSIZE];
struct ptr_array ptr_arr[MAX_ATTACHMENTS];
@ -221,7 +221,7 @@ int retrieve_email_from_archive(struct session_data *sdata, FILE *dest, struct _
return 1;
}
attachments = query_attachments(sdata, &ptr_arr[0], cfg);
attachments = query_attachments(sdata, data, &ptr_arr[0], cfg);
if(attachments == -1){
printf("problem querying the attachment of %s\n", sdata->ttmpfile);

115
src/attachment.c
View File

@ -16,21 +16,15 @@
#include <piler.h>
int store_attachments(struct session_data *sdata, struct _state *state, struct __config *cfg){
int store_attachments(struct session_data *sdata, struct _state *state, struct __data *data, struct __config *cfg){
uint64 id=0;
int i, rc=1, found, affected_rows;
char s[SMALLBUFSIZE];
MYSQL_RES *res;
MYSQL_ROW row;
MYSQL_STMT *stmt;
MYSQL_BIND bind[7];
unsigned long len[7];
snprintf(s, sizeof(s)-1, "INSERT INTO %s (`piler_id`,`attachment_id`,`sig`,`name`,`type`,`size`,`ptr`) VALUES(?,?,?,?,?,?,?)", SQL_ATTACHMENT_TABLE);
if(prepare_a_mysql_statement(sdata, &stmt, s) == ERR) return rc;
if(prepare_a_mysql_statement(sdata, &(data->stmt_insert_into_attachment_table), SQL_PREPARED_STMT_INSERT_INTO_ATTACHMENT_TABLE) == ERR) return rc;
if(prepare_a_mysql_statement(sdata, &(data->stmt_get_attachment_id_by_signature), SQL_PREPARED_STMT_GET_ATTACHMENT_ID_BY_SIGNATURE) == ERR) return rc;
for(i=1; i<=state->n_attachments; i++){
@ -39,22 +33,45 @@ int store_attachments(struct session_data *sdata, struct _state *state, struct _
if(state->attachments[i].size > 0){
snprintf(s, sizeof(s)-1, "SELECT `id` FROM `%s` WHERE `sig`='%s'", SQL_ATTACHMENT_TABLE, state->attachments[i].digest);
memset(bind, 0, sizeof(bind));
if(cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: check for attachment sql: *%s*", sdata->ttmpfile, s);
bind[0].buffer_type = MYSQL_TYPE_STRING;
bind[0].buffer = state->attachments[i].digest;
bind[0].is_null = 0;
len[0] = strlen(state->attachments[i].digest); bind[0].length = &len[0];
if(mysql_real_query(&(sdata->mysql), s, strlen(s)) == 0){
res = mysql_store_result(&(sdata->mysql));
if(res != NULL){
row = mysql_fetch_row(res);
if(row){
id = strtoull(row[0], NULL, 10);
if(mysql_stmt_bind_param(data->stmt_get_attachment_id_by_signature, bind)){
syslog(LOG_PRIORITY, "%s: %s.mysql_stmt_bind_param() error for get attachment id: %s", sdata->ttmpfile, SQL_ATTACHMENT_TABLE, mysql_stmt_error(data->stmt_get_attachment_id_by_signature));
goto NOT_FOUND;
}
if(mysql_stmt_execute(data->stmt_get_attachment_id_by_signature)){
syslog(LOG_PRIORITY, "%s get attachment id execute error: *%s*", sdata->ttmpfile, mysql_error(&(sdata->mysql)));
goto NOT_FOUND;
}
memset(bind, 0, sizeof(bind));
bind[0].buffer_type = MYSQL_TYPE_LONGLONG;
bind[0].buffer = (char *)&id;
bind[0].is_null = 0;
bind[0].length = 0;
if(mysql_stmt_bind_result(data->stmt_get_attachment_id_by_signature, bind)){
syslog(LOG_PRIORITY, "%s: %s.mysql_stmt_bind_result() error: %s", sdata->ttmpfile, SQL_ATTACHMENT_TABLE, mysql_stmt_error(data->stmt_get_attachment_id_by_signature));
goto NOT_FOUND;
}
if(mysql_stmt_store_result(data->stmt_get_attachment_id_by_signature)){
goto NOT_FOUND;
}
if(!mysql_stmt_fetch(data->stmt_get_attachment_id_by_signature)){
found = 1;
}
mysql_free_result(res);
}
}
NOT_FOUND:
if(found == 0){
if(store_file(sdata, state->attachments[i].internalname, 0, 0, cfg) == 0){
@ -102,18 +119,18 @@ int store_attachments(struct session_data *sdata, struct _state *state, struct _
bind[6].length = 0;
if(mysql_stmt_bind_param(stmt, bind)){
syslog(LOG_PRIORITY, "%s: %s.mysql_stmt_bind_param() error: %s", sdata->ttmpfile, SQL_ATTACHMENT_TABLE, mysql_stmt_error(stmt));
if(mysql_stmt_bind_param(data->stmt_insert_into_attachment_table, bind)){
syslog(LOG_PRIORITY, "%s: %s.mysql_stmt_bind_param() error: %s", sdata->ttmpfile, SQL_ATTACHMENT_TABLE, mysql_stmt_error(data->stmt_insert_into_attachment_table));
goto CLOSE;
}
if(mysql_stmt_execute(stmt)){
if(mysql_stmt_execute(data->stmt_insert_into_attachment_table)){
syslog(LOG_PRIORITY, "%s attachment sql error: *%s*", sdata->ttmpfile, mysql_error(&(sdata->mysql)));
goto CLOSE;
}
affected_rows = mysql_stmt_affected_rows(stmt);
affected_rows = mysql_stmt_affected_rows(data->stmt_insert_into_attachment_table);
if(affected_rows != 1){
syslog(LOG_PRIORITY, "%s attachment sql error: affected rows: %d", sdata->ttmpfile, affected_rows);
goto CLOSE;
@ -129,24 +146,21 @@ int store_attachments(struct session_data *sdata, struct _state *state, struct _
rc = 0;
CLOSE:
mysql_stmt_close(stmt);
mysql_stmt_close(data->stmt_insert_into_attachment_table);
mysql_stmt_close(data->stmt_get_attachment_id_by_signature);
return rc;
}
int query_attachment_pointers(struct session_data *sdata, uint64 ptr, char *piler_id, int *id, struct __config *cfg){
int query_attachment_pointers(struct session_data *sdata, struct __data *data, uint64 ptr, char *piler_id, int *id, struct __config *cfg){
int rc=0;
char s[SMALLBUFSIZE];
MYSQL_STMT *stmt;
MYSQL_BIND bind[2];
my_bool is_null[2];
unsigned long len=0;
snprintf(s, SMALLBUFSIZE-1, "SELECT `piler_id`, `attachment_id` FROM %s WHERE id=?", SQL_ATTACHMENT_TABLE);
if(prepare_a_mysql_statement(sdata, &stmt, s) == ERR) goto ENDE;
if(prepare_a_mysql_statement(sdata, &(data->stmt_get_attachment_pointer), SQL_PREPARED_STMT_GET_ATTACHMENT_POINTER) == ERR) goto ENDE;
memset(bind, 0, sizeof(bind));
@ -156,12 +170,12 @@ int query_attachment_pointers(struct session_data *sdata, uint64 ptr, char *pile
len = sizeof(uint64); bind[0].length = &len;
if(mysql_stmt_bind_param(stmt, bind)){
if(mysql_stmt_bind_param(data->stmt_get_attachment_pointer, bind)){
goto CLOSE;
}
if(mysql_stmt_execute(stmt)){
if(mysql_stmt_execute(data->stmt_get_attachment_pointer)){
goto CLOSE;
}
@ -180,23 +194,23 @@ int query_attachment_pointers(struct session_data *sdata, uint64 ptr, char *pile
bind[1].length = 0;
if(mysql_stmt_bind_result(stmt, bind)){
if(mysql_stmt_bind_result(data->stmt_get_attachment_pointer, bind)){
goto CLOSE;
}
if(mysql_stmt_store_result(stmt)){
if(mysql_stmt_store_result(data->stmt_get_attachment_pointer)){
goto CLOSE;
}
if(!mysql_stmt_fetch(stmt)){
if(!mysql_stmt_fetch(data->stmt_get_attachment_pointer)){
if(is_null[0] == 0){
rc = 1;
}
}
CLOSE:
mysql_stmt_close(stmt);
mysql_stmt_close(data->stmt_get_attachment_pointer);
ENDE:
@ -204,11 +218,9 @@ ENDE:
}
int query_attachments(struct session_data *sdata, struct ptr_array *ptr_arr, struct __config *cfg){
int query_attachments(struct session_data *sdata, struct __data *data, struct ptr_array *ptr_arr, struct __config *cfg){
int i, rc, id, attachments=0;
uint64 ptr;
char s[SMALLBUFSIZE];
MYSQL_STMT *stmt;
MYSQL_BIND bind[2];
my_bool is_null[2];
unsigned long len=0;
@ -216,10 +228,7 @@ int query_attachments(struct session_data *sdata, struct ptr_array *ptr_arr, str
for(i=0; i<MAX_ATTACHMENTS; i++) memset((char*)&ptr_arr[i], 0, sizeof(struct ptr_array));
snprintf(s, SMALLBUFSIZE-1, "SELECT `attachment_id`, `ptr` FROM %s WHERE piler_id=? ORDER BY attachment_id ASC", SQL_ATTACHMENT_TABLE);
if(prepare_a_mysql_statement(sdata, &stmt, s) == ERR) goto ENDE;
if(prepare_a_mysql_statement(sdata, &(data->stmt_query_attachment), SQL_PREPARED_STMT_QUERY_ATTACHMENT) == ERR) goto ENDE;
memset(bind, 0, sizeof(bind));
@ -229,12 +238,12 @@ int query_attachments(struct session_data *sdata, struct ptr_array *ptr_arr, str
bind[0].is_null = 0;
len = strlen(sdata->ttmpfile); bind[0].length = &len;
if(mysql_stmt_bind_param(stmt, bind)){
if(mysql_stmt_bind_param(data->stmt_query_attachment, bind)){
goto CLOSE;
}
if(mysql_stmt_execute(stmt)){
if(mysql_stmt_execute(data->stmt_query_attachment)){
goto CLOSE;
}
@ -253,23 +262,23 @@ int query_attachments(struct session_data *sdata, struct ptr_array *ptr_arr, str
if(mysql_stmt_bind_result(stmt, bind)){
syslog(LOG_PRIORITY, "%s: %s.mysql_stmt_bind_result() error: %s", sdata->ttmpfile, SQL_METADATA_TABLE, mysql_stmt_error(stmt));
if(mysql_stmt_bind_result(data->stmt_query_attachment, bind)){
syslog(LOG_PRIORITY, "%s: %s.mysql_stmt_bind_result() error: %s", sdata->ttmpfile, SQL_METADATA_TABLE, mysql_stmt_error(data->stmt_query_attachment));
goto CLOSE;
}
if(mysql_stmt_store_result(stmt)){
syslog(LOG_PRIORITY, "%s: %s.mysql_stmt_store_result() error: %s", sdata->ttmpfile, SQL_METADATA_TABLE, mysql_stmt_error(stmt));
if(mysql_stmt_store_result(data->stmt_query_attachment)){
syslog(LOG_PRIORITY, "%s: %s.mysql_stmt_store_result() error: %s", sdata->ttmpfile, SQL_METADATA_TABLE, mysql_stmt_error(data->stmt_query_attachment));
goto CLOSE;
}
while(!mysql_stmt_fetch(stmt)){
while(!mysql_stmt_fetch(data->stmt_query_attachment)){
if(id > 0 && id < MAX_ATTACHMENTS){
if(ptr > 0){
ptr_arr[id].ptr = ptr;
rc = query_attachment_pointers(sdata, ptr, &(ptr_arr[id].piler_id[0]), &(ptr_arr[id].attachment_id), cfg);
rc = query_attachment_pointers(sdata, data, ptr, &(ptr_arr[id].piler_id[0]), &(ptr_arr[id].attachment_id), cfg);
if(!rc){
attachments = -1;
goto CLOSE;
@ -285,7 +294,7 @@ int query_attachments(struct session_data *sdata, struct ptr_array *ptr_arr, str
}
CLOSE:
mysql_stmt_close(stmt);
mysql_stmt_close(data->stmt_query_attachment);
ENDE:

4
src/config.h
View File

@ -91,6 +91,10 @@
#define SQL_PREPARED_STMT_INSERT_INTO_RCPT_TABLE "INSERT INTO " SQL_RECIPIENT_TABLE " (`id`,`to`,`todomain`) VALUES(?,?,?)"
#define SQL_PREPARED_STMT_INSERT_INTO_SPHINX_TABLE "INSERT INTO " SQL_SPHINX_TABLE " (`id`, `from`, `to`, `fromdomain`, `todomain`, `subject`, `body`, `arrived`, `sent`, `size`, `direction`, `folder`, `attachments`, `attachment_types`) values(?,?,?,?,?,?,?,?,?,?,?,?,?,?)"
#define SQL_PREPARED_STMT_INSERT_INTO_META_TABLE "INSERT INTO " SQL_METADATA_TABLE " (`from`,`fromdomain`,`subject`,`spam`,`arrived`,`sent`,`retained`,`size`,`hlen`,`direction`,`attachments`,`piler_id`,`message_id`,`reference`,`digest`,`bodydigest`,`vcode`) VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)"
#define SQL_PREPARED_STMT_INSERT_INTO_ATTACHMENT_TABLE "INSERT INTO " SQL_ATTACHMENT_TABLE " (`piler_id`,`attachment_id`,`sig`,`name`,`type`,`size`,`ptr`) VALUES(?,?,?,?,?,?,?)"
#define SQL_PREPARED_STMT_GET_ATTACHMENT_ID_BY_SIGNATURE "SELECT `id` FROM `" SQL_ATTACHMENT_TABLE "` WHERE `sig`=?"
#define SQL_PREPARED_STMT_GET_ATTACHMENT_POINTER "SELECT `piler_id`, `attachment_id` FROM " SQL_ATTACHMENT_TABLE " WHERE id=?"
#define SQL_PREPARED_STMT_QUERY_ATTACHMENT "SELECT `attachment_id`, `ptr` FROM " SQL_ATTACHMENT_TABLE " WHERE piler_id=? ORDER BY attachment_id ASC"
/* Error codes */

4
src/defs.h
View File

@ -251,6 +251,10 @@ struct __data {
MYSQL_STMT *stmt_insert_into_rcpt_table;
MYSQL_STMT *stmt_insert_into_sphinx_table;
MYSQL_STMT *stmt_insert_into_meta_table;
MYSQL_STMT *stmt_insert_into_attachment_table;
MYSQL_STMT *stmt_get_attachment_id_by_signature;
MYSQL_STMT *stmt_get_attachment_pointer;
MYSQL_STMT *stmt_query_attachment;
#endif
#ifdef HAVE_TRE

2
src/message.c
View File

@ -456,7 +456,7 @@ int process_message(struct session_data *sdata, struct _state *state, struct __d
/* store base64 encoded file attachments */
if(state->n_attachments > 0){
rc = store_attachments(sdata, state, cfg);
rc = store_attachments(sdata, state, data, cfg);
for(i=1; i<=state->n_attachments; i++){
unlink(state->attachments[i].internalname);

6
src/piler.h
View File

@ -39,8 +39,8 @@ void remove_stripped_attachments(struct _state *state);
int process_message(struct session_data *sdata, struct _state *state, struct __data *data, struct __config *cfg);
int store_file(struct session_data *sdata, char *filename, int startpos, int len, struct __config *cfg);
int remove_stored_message_files(struct session_data *sdata, struct _state *state, struct __config *cfg);
int store_attachments(struct session_data *sdata, struct _state *state, struct __config *cfg);
int query_attachments(struct session_data *sdata, struct ptr_array *ptr_arr, struct __config *cfg);
int store_attachments(struct session_data *sdata, struct _state *state, struct __data *data, struct __config *cfg);
int query_attachments(struct session_data *sdata, struct __data *data, struct ptr_array *ptr_arr, struct __config *cfg);
struct __config read_config(char *configfile);
@ -48,7 +48,7 @@ void check_and_create_directories(struct __config *cfg, uid_t uid, gid_t gid);
void update_counters(struct session_data *sdata, struct __data *data, struct __counters *counters, struct __config *cfg);
int retrieve_email_from_archive(struct session_data *sdata, FILE *dest, struct __config *cfg);
int retrieve_email_from_archive(struct session_data *sdata, struct __data *data, FILE *dest, struct __config *cfg);
int prepare_a_mysql_statement(struct session_data *sdata, MYSQL_STMT **stmt, char *s);

7
src/pilerexport.c
View File

@ -135,7 +135,7 @@ int append_string_to_buffer(char **buffer, char *str){
}
int export_emails_matching_to_query(struct session_data *sdata, char *s, struct __config *cfg){
int export_emails_matching_to_query(struct session_data *sdata, struct __data *data, char *s, struct __config *cfg){
MYSQL_RES *res;
MYSQL_ROW row;
FILE *f;
@ -164,7 +164,7 @@ int export_emails_matching_to_query(struct session_data *sdata, char *s, struct
f = fopen(filename, "w");
if(f){
rc = retrieve_email_from_archive(sdata, f, cfg);
rc = retrieve_email_from_archive(sdata, data, f, cfg);
fclose(f);
n++;
@ -208,6 +208,7 @@ int main(int argc, char **argv){
char *to=NULL, *from=NULL;
char s[SMALLBUFSIZE];
struct session_data sdata;
struct __data data;
struct __config cfg;
@ -413,7 +414,7 @@ int main(int argc, char **argv){
mysql_real_query(&(sdata.mysql), "SET CHARACTER SET utf8", strlen("SET CHARACTER SET utf8"));
rc = export_emails_matching_to_query(&sdata, query, &cfg);
rc = export_emails_matching_to_query(&sdata, &data, query, &cfg);
free(query);

3
src/pilerget.c
View File

@ -19,6 +19,7 @@
int main(int argc, char **argv){
int readkey=1;
struct session_data sdata;
struct __data data;
struct __config cfg;
@ -52,7 +53,7 @@ int main(int argc, char **argv){
snprintf(sdata.ttmpfile, SMALLBUFSIZE-1, "%s", argv[1]);
snprintf(sdata.filename, SMALLBUFSIZE-1, "%s", sdata.ttmpfile);
retrieve_email_from_archive(&sdata, stdout, &cfg);
retrieve_email_from_archive(&sdata, &data, stdout, &cfg);
mysql_close(&(sdata.mysql));

2
src/reindex.c
View File

@ -95,7 +95,7 @@ uint64 retrieve_email_by_metadata_id(struct session_data *sdata, struct __data *
f = fopen(filename, "w");
if(f){
rc = retrieve_email_from_archive(sdata, f, cfg);
rc = retrieve_email_from_archive(sdata, data, f, cfg);
fclose(f);
if(rc){