/*
* Copyright (C) 1999-2007 Andre Noll <maan@systemlinux.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file mysql_selector.c para_server's mysql-based audio file selector */
#define MEDIUM_BLOB_SIZE 16777220 /* (2**24 + 4) */
#define BLOB_SIZE 65539 /* (2**16 + 3) */
/** \endcond */
+
+#include "para.h"
#include "server.cmdline.h"
+#include "afh.h"
#include "server.h"
#include "vss.h"
-#include "afs.h"
+#include "afs_common.h"
#include <mysql/mysql.h>
#include <mysql/mysql_version.h>
#include <regex.h>
#include "error.h"
#include "net.h"
#include "string.h"
+#include "list.h"
#include "user_list.h"
#include "mysql_selector_command_list.h"
+#include "ipc.h"
/** pointer to the shared memory area */
extern struct misc_meta_data *mmd;
static void *mysql_ptr = NULL;
+static int mysql_lock;
/**
* contains name/replacement pairs used by s_a_r_list()
};
/**
- * simple search and replace routine
+ * Simple search and replace routine.
*
- * \param src source string
- * \param macro_name the name of the macro
- * \param replacement the replacement format string
+ * \param src Source String.
+ * \param macro_name The name of the macro.
+ * \param replacement The replacement format string.
*
* In \p src, replace each occurence of \p macro_name(arg) by the string
* determined by the \p replacement format string. \p replacement may (but
* replaced by \p arg.
*
* \return A string in which all matches in \p src are replaced, or \p NULL if
- * an syntax error was encountered. Caller must free the result.
+ * an error was encountered. Caller must free the result.
*
* \sa regcomp(3)
*/
if (!macro_name || !replacement || !src)
return para_strdup(src);
- regcomp(&preg, macro_name, 0);
+ if (regcomp(&preg, macro_name, 0) != 0)
+ return NULL;
while (regexec(&preg, bufptr, nmatch, pmatch, eflags)
!= REG_NOMATCH) {
char *tmp, *arg, *o_bracket, *c_bracket;
return ret;
}
-static int real_query(const char *query)
+static int lockless_real_query(const char *query)
{
if (!mysql_ptr)
return -E_NOTCONN;
return 1;
}
+static int real_query(const char *query)
+{
+ int ret;
+
+ mutex_lock(mysql_lock);
+ ret = lockless_real_query(query);
+ mutex_unlock(mysql_lock);
+ return ret;
+}
+
/*
* Use open connection given by mysql_ptr to query server. Returns a
* result pointer on succes and NULL on errors
*/
static struct MYSQL_RES *get_result(const char *query)
{
- void *result;
+ void *result = NULL;
- if (real_query(query) < 0)
- return NULL;
+ mutex_lock(mysql_lock);
+ if (lockless_real_query(query) < 0)
+ goto out;
result = mysql_store_result(mysql_ptr);
if (!result)
PARA_ERROR_LOG("%s", "store_result error\n");
+out:
+ mutex_unlock(mysql_lock);
return result;
}
/*
return ret;
}
-static char *escape_blob(const char* old, int size)
+static char *escape_blob(const char* old, size_t size)
{
char *new;
- if (!mysql_ptr || size < 0)
+ if (!mysql_ptr)
return NULL;
new = para_malloc(2 * size * sizeof(char) + 1);
mysql_real_escape_string(mysql_ptr, new, old, size);
/*
* new attribute
*/
-int com_na(__a_unused int fd, int argc, char *argv[])
+int com_na(__a_unused int fd, int argc, char * const * argv)
{
char *q, *tmp;
int ret;
/*
* delete attribute
*/
-int com_da(__a_unused int fd, int argc, char *argv[])
+int com_da(__a_unused int fd, int argc, char * const * argv)
{
char *q, *tmp;
int ret;
}
/* stradd/pic_add */
-static int com_stradd_picadd(int fd, int argc, char *argv[])
+static int com_stradd_picadd(int fd, int argc, char * const * argv)
{
char *blob = NULL, *esc_blob = NULL, *q = NULL, *tmp = NULL;
const char *fmt, *del_fmt;
}
/* stradd */
-int com_stradd(int fd, int argc, char *argv[])
+int com_stradd(int fd, int argc, char * const * argv)
{
return com_stradd_picadd(fd, argc, argv);
}
/* pic_add */
-int com_picadd(int fd, int argc, char *argv[])
+int com_picadd(int fd, int argc, char * const * argv)
{
return com_stradd_picadd(fd, argc, argv);
}
* print results to fd
*/
static int print_results(int fd, void *result,
- unsigned int top, unsigned int left,
- unsigned int bottom, unsigned int right)
+ my_ulonglong top, my_ulonglong left,
+ my_ulonglong bottom, my_ulonglong right)
{
unsigned int i,j;
int ret;
/*
* verbatim
*/
-int com_verb(int fd, int argc, char *argv[])
+int com_verb(int fd, int argc, char * const * argv)
{
void *result = NULL;
int ret;
- unsigned int num_rows, num_fields;
+ my_ulonglong num_rows, num_fields, top = 0, left = 0;
char *tmp;
if (argc < 2)
num_rows = mysql_num_rows(result);
ret = 1;
if (num_fields && num_rows)
- ret = print_results(fd, result, 0, 0, num_rows - 1,
+ ret = print_results(fd, result, top, left, num_rows - 1,
num_fields - 1);
mysql_free_result(result);
return ret;
mysql_free_result(result);
return NULL;
}
- mysql_data_seek(result, 4); /* skip Lastplayed, Numplayed... */
+ mysql_data_seek(result, (my_ulonglong)4); /* skip Lastplayed, Numplayed... */
return result;
}
/*
* list all attributes
*/
-int com_laa(int fd, int argc, __a_unused char *argv[])
+int com_laa(int fd, int argc, __a_unused char * const * argv)
{
void *result;
int ret;
+ my_ulonglong top = 0, left = 0, bottom, right = 0;
if (argc != 1)
return -E_MYSQL_SYNTAX;
result = get_all_attributes();
if (!result)
return -E_NOATTS;
- ret = print_results(fd, result, 0, 0, mysql_num_rows(result) - 5, 0);
+ bottom = mysql_num_rows(result);
+ if (bottom < 5)
+ return -E_MYSQL_SYNTAX;
+ bottom -= 5;
+ ret = print_results(fd, result, top, left, bottom, right);
mysql_free_result(result);
return ret;
}
/*
* history
*/
-int com_hist(int fd, int argc, char *argv[])
+int com_hist(int fd, int argc, char * const * argv)
{
int ret;
void *result = NULL;
char *q, *atts;
- unsigned int num_rows;
+ my_ulonglong num_rows, top = 0, left = 0, right = 1;
if (argc > 3)
return -E_MYSQL_SYNTAX;
num_rows = mysql_num_rows(result);
ret = 1;
if (num_rows)
- ret = print_results(fd, result, 0, 0, num_rows - 1, 1);
+ ret = print_results(fd, result, top, left, num_rows - 1, right);
mysql_free_result(result);
return ret;
}
/*
* get last num audio files
*/
-int com_last(int fd, int argc, char *argv[])
+int com_last(int fd, int argc, char * const * argv)
{
void *result = NULL;
char *q;
int num, ret;
+ my_ulonglong top = 0, left = 0, right = 0;
if (argc < 2)
num = 10;
free(q);
if (!result)
return -E_NORESULT;
- ret = print_results(fd, result, 0, 0, mysql_num_rows(result) - 1, 0);
+ ret = print_results(fd, result, top, left, mysql_num_rows(result) - 1,
+ right);
mysql_free_result(result);
return ret;
}
-int com_mbox(int fd, int argc, char *argv[])
+int com_mbox(int fd, int argc, char * const * argv)
{
void *result;
MYSQL_ROW row;
int ret;
- unsigned int num_rows, num_fields;
+ my_ulonglong num_rows, num_fields, top = 0, left = 0;
char *query = para_strdup("select concat('From foo@localhost ', "
"date_format(Lastplayed, '%a %b %e %T %Y'), "
"'\nReceived: from\nTo: bar\n");
num_rows = mysql_num_rows(result);
if (!num_fields || !num_rows)
goto out;
- ret = print_results(fd, result, 0, 0, num_rows - 1, num_fields - 1);
+ ret = print_results(fd, result, top, left, num_rows - 1,
+ num_fields - 1);
out:
free(query);
if (result)
void *result = NULL, *result2 = NULL;
MYSQL_ROW row, row2;
int i;
- unsigned num_fields;
+ my_ulonglong num_fields, offset = 4; /* skip Lastplayed, Numplayed... */
+
result2 = get_all_attributes();
if (!result2)
num_fields = mysql_num_fields(result);
if (num_fields < 5)
goto out;
- mysql_data_seek(result2, 4); /* skip Lastplayed, Numplayed... */
+ mysql_data_seek(result2, offset);
row = mysql_fetch_row(result);
if (!row)
goto out;
* If filename is NULL, query will list everything, otherwise only
* the score of given file.
*/
-static char *get_query(char *streamname, char *filename, int with_path)
+static char *get_query(const char *streamname, char *filename, int with_path)
{
char *accept_opts = NULL, *deny_opts = NULL, *score = NULL;
char *where_clause, *order, *query;
}
/* list attributes / print database info */
-static int com_la_info(int fd, int argc, char *argv[])
+static int com_la_info(int fd, int argc, char * const * argv)
{
char *name = NULL, *meta = NULL, *atts = NULL, *dir = NULL;
int ret, la = strcmp(argv[0], "info");
}
/* list attributes */
-int com_la(int fd, int argc, char *argv[])
+int com_la(int fd, int argc, char * const * argv)
{
return com_la_info(fd, argc, argv);
}
/* print database info */
-int com_info(int fd, int argc, char *argv[])
+int com_info(int fd, int argc, char * const * argv)
{
return com_la_info(fd, argc, argv);
}
{
char *q, *ebn;
void *result = NULL;
- long unsigned ret;
+ int ret;
MYSQL_ROW row;
if (!(ebn = escaped_basename(name)))
row = mysql_fetch_row(result);
ret = -E_NOROW;
if (row && row[0])
- ret = atol(row[0]);
+ ret = atoi(row[0]);
mysql_free_result(result);
return ret;
}
/*
* remove/add entries
*/
-static int com_rm_ne(__a_unused int fd, int argc, char *argv[])
+static int com_rm_ne(__a_unused int fd, int argc, char * const * argv)
{
int ne = !strcmp(argv[0], "ne");
int i, ret;
/*
* rm
*/
-int com_rm(int fd, int argc, char *argv[])
+int com_rm(int fd, int argc, char * const * argv)
{
return com_rm_ne(fd, argc, argv);
}
/*
* ne
*/
-int com_ne(int fd, int argc, char *argv[])
+int com_ne(int fd, int argc, char * const * argv)
{
return com_ne(fd, argc, argv);
}
/*
* mv: rename entry
*/
-int com_mv(__a_unused int fd, int argc, char *argv[])
+int com_mv(__a_unused int fd, int argc, char * const * argv)
{
char *q, *dn, *ebn1 = NULL, *ebn2 = NULL, *edn = NULL;
int ret;
/*
* set field
*/
-static int com_set(__a_unused int fd, int argc, char *argv[])
+static int com_set(__a_unused int fd, int argc, char * const * argv)
{
char *q, *ebn;
long unsigned id;
/*
* snp: set numplayed
*/
-int com_picass(int fd, int argc, char *argv[])
+int com_picass(int fd, int argc, char * const * argv)
{
return com_set(fd, argc, argv);
}
/*
* snp: set numplayed
*/
-int com_snp(int fd, int argc, char *argv[])
+int com_snp(int fd, int argc, char * const * argv)
{
int ret = com_set(fd, argc, argv);
if (ret >= 0)
/*
* picch: change entry's name in pics table
*/
-int com_picch(__a_unused int fd, int argc, char *argv[])
+int com_picch(__a_unused int fd, int argc, char * const * argv)
{
int ret;
long unsigned id;
/*
* piclist: print list of pics in db
*/
-int com_piclist(__a_unused int fd, int argc, __a_unused char *argv[])
+int com_piclist(__a_unused int fd, int argc, __a_unused char * const * argv)
{
void *result = NULL;
MYSQL_ROW row;
/*
* picdel: delete picture from database
*/
-int com_picdel(int fd, int argc, char *argv[])
+int com_picdel(int fd, int argc, char * const * argv)
{
char *q;
long unsigned id;
/*
* pic: get picture by name or by number
*/
-int com_pic(int fd, int argc, char *argv[])
+int com_pic(int fd, int argc, char * const * argv)
{
void *result = NULL;
MYSQL_ROW row;
}
/* strdel */
-int com_strdel(__a_unused int fd, int argc, char *argv[])
+int com_strdel(__a_unused int fd, int argc, char * const * argv)
{
char *q, *tmp;
int ret;
/*
* ls
*/
-int com_ls(int fd, int argc, char *argv[])
+int com_ls(int fd, int argc, char * const * argv)
{
char *q;
void *result;
int ret;
- unsigned int num_rows;
+ my_ulonglong num_rows, top = 0, left = 0, right = 0;
if (argc > 2)
return -E_MYSQL_SYNTAX;
num_rows = mysql_num_rows(result);
ret = 1;
if (num_rows)
- ret = print_results(fd, result, 0, 0, num_rows - 1, 0);
+ ret = print_results(fd, result, top, left, num_rows - 1, right);
mysql_free_result(result);
return ret;
}
/*
* summary
*/
-int com_summary(__a_unused int fd, int argc, __a_unused char *argv[])
+int com_summary(__a_unused int fd, int argc, __a_unused char * const * argv)
{
MYSQL_ROW row;
MYSQL_ROW row2;
return ret;
}
-static int update_audio_file(char *name)
+static int update_audio_file(const char *name)
{
int ret;
const char *fmt1 = "update data set lastplayed = now() where name = '%s'";
update_audio_file(name);
}
-int com_us(__a_unused int fd, int argc, char *argv[])
+int com_us(__a_unused int fd, int argc, char * const * argv)
{
char *tmp;
int ret;
}
/* select previous / next stream */
-static int com_ps_ns(__a_unused int fd, int argc, char *argv[])
+static int com_ps_ns(__a_unused int fd, int argc, char * const * argv)
{
char *query, *stream = get_current_stream();
void *result = get_result("select name from streams");
MYSQL_ROW row;
- int match = -1, ret, i;
- unsigned int num_rows;
+ int ret;
+ my_ulonglong num_rows, match, i;
+ ret = -E_MYSQL_SYNTAX;
if (argc != 1)
- return -E_MYSQL_SYNTAX;
+ goto out;
ret = -E_NORESULT;
if (!result)
goto out;
goto out;
if (!strcmp(row[0], "current_stream"))
continue;
- if (!strcmp(row[0], stream)) {
- match = i;
+ if (!strcmp(row[0], stream))
break;
- }
}
ret = -E_NO_STREAM;
- if (match < 0)
+ if (i == num_rows)
goto out;
+ match = i;
if (!strcmp(argv[0], "ps"))
i = match > 0? match - 1 : num_rows - 1;
else
goto out;
if (!strcmp(row[0], "current_stream")) {
if (!strcmp(argv[0], "ps")) {
- i = match - 2;
- i = i < 0? i + num_rows : i;
+ i = match < 2? match + num_rows - 2 : match - 2;
} else {
i = match + 2;
i = i > num_rows - 1? i - num_rows : i;
}
/* select previous stream */
-int com_ps(int fd, int argc, char *argv[])
+int com_ps(int fd, int argc, char * const * argv)
{
return com_ps_ns(fd, argc, argv);
}
/* select next stream */
-int com_ns(int fd, int argc, char *argv[])
+int com_ns(int fd, int argc, char * const * argv)
{
return com_ps_ns(fd, argc, argv);
}
/* streams */
-int com_streams(int fd, int argc, __a_unused char *argv[])
+int com_streams(int fd, int argc, __a_unused char * const * argv)
{
unsigned int num_rows;
int i, ret = -E_NORESULT;
}
/* query stream definition */
-int com_strq(int fd, int argc, char *argv[])
+int com_strq(int fd, int argc, char * const * argv)
{
MYSQL_ROW row;
char *query, *name;
}
/* change stream / change stream and play */
-static int com_cs_csp(int fd, int argc, char *argv[])
+static int com_cs_csp(int fd, int argc, char * const * argv)
{
int ret, stream_change;
char *query, *stream = NULL;
}
/* change stream */
-int com_cs(int fd, int argc, char *argv[])
+int com_cs(int fd, int argc, char * const * argv)
{
return com_cs_csp(fd, argc, argv);
}
/* change stream and play */
-int com_csp(int fd, int argc, char *argv[])
+int com_csp(int fd, int argc, char * const * argv)
{
return com_cs_csp(fd, argc, argv);
}
/* score list / skip */
-static int com_sl_skip(int fd, int argc, char *argv[])
+static int com_sl_skip(int fd, int argc, char * const * argv)
{
void *result = NULL;
MYSQL_ROW row;
}
/* score list */
-int com_sl(int fd, int argc, char *argv[])
+int com_sl(int fd, int argc, char * const * argv)
{
return com_sl_skip(fd, argc, argv);
}
/* skip */
-int com_skip(int fd, int argc, char *argv[])
+int com_skip(int fd, int argc, char * const * argv)
{
return com_sl_skip(fd, argc, argv);
}
/*
* update attributes of name
*/
-static int update_atts(int fd, char *name, char *atts)
+static int update_atts(int fd, const char *name, char *atts)
{
int ret;
char *ebn, *q, *old, *new = NULL;
/*
* set attributes
*/
-int com_sa(int fd, int argc, char *argv[])
+int com_sa(int fd, int argc, char * const * argv)
{
int i, ret;
char *atts = NULL, *name;
return -E_MYSQL_SYNTAX;
for (i = 1; i < argc; i++) {
int unset = 0;
- char *esc, *tmp, *p =argv[i];
- int len = strlen(p);
+ char *esc, *tmp, *p;
+ int len = strlen(argv[i]);
if (!len)
continue;
- switch (p[len - 1]) {
+ switch (argv[i][len - 1]) {
case '+':
unset = 0;
break;
default:
goto no_more_atts;
}
+ p = para_strdup(argv[i]);
p[len - 1] = '\0';
esc = escape_str(p);
+ free(p);
if (!esc)
return -E_ESCAPE;
tmp = make_message("%s%s='%s'", atts? "," : "", esc,
/*
* copy attributes
*/
-int com_cam(int fd, int argc, char *argv[])
+int com_cam(int fd, int argc, char * const * argv)
{
char *name = NULL, *meta = NULL, *atts = NULL;
int i, ret;
/*
* verify / clean
*/
-static int com_vrfy_clean(int fd, int argc, __a_unused char *argv[])
+static int com_vrfy_clean(int fd, int argc, __a_unused char * const * argv)
{
char *query;
int ret, vrfy_mode = strcmp(argv[0], "clean");
void *result = NULL;
- unsigned int num_rows;
MYSQL_ROW row;
char *escaped_name;
+ my_ulonglong num_rows, top = 0, left = 0, right = 0;
if (argc != 1)
return -E_MYSQL_SYNTAX;
goto out;
}
if (vrfy_mode) {
- send_va_buffer(fd, "found %i invalid entr%s\n", num_rows,
+ send_va_buffer(fd, "found %lli invalid entr%s\n", num_rows,
num_rows == 1? "y" : "ies");
- ret = print_results(fd, result, 0, 0, num_rows - 1, 0);
+ ret = print_results(fd, result, top, left, num_rows - 1, right);
goto out;
}
while ((row = mysql_fetch_row(result))) {
/*
* verify
*/
-int com_vrfy(int fd, int argc, char **argv)
+int com_vrfy(int fd, int argc, char * const * argv)
{
return com_vrfy_clean(fd, argc, argv);
}
/*
* clean
*/
-int com_clean(int fd, int argc, char **argv)
+int com_clean(int fd, int argc, char * const * argv)
{
return com_vrfy_clean(fd, argc, argv);
}
/*
* update database
*/
-int com_upd(int fd, int argc, __a_unused char *argv[])
+int com_upd(int fd, int argc, __a_unused char * const * argv)
{
char *tempname = NULL, *query = NULL;
int ret, out_fd = -1, num = 0;
static int init_mysql_server(void)
{
char *u = conf.mysql_user_arg? conf.mysql_user_arg : para_logname();
+ unsigned int port;
mysql_ptr = mysql_init(NULL);
if (!mysql_ptr) {
PARA_CRIT_LOG("%s", "mysql init error\n");
return -E_NOTCONN;
}
- PARA_DEBUG_LOG("connecting: %s@%s:%d\n", u, conf.mysql_host_arg,
- conf.mysql_port_arg);
+ if (conf.mysql_port_arg < 0)
+ return -E_MYSQL_SYNTAX;
+ port = conf.mysql_port_arg;
+ PARA_DEBUG_LOG("connecting: %s@%s:%d\n", u, conf.mysql_host_arg, port);
if (!conf.mysql_user_arg)
free(u);
/*
conf.mysql_user_arg,
conf.mysql_passwd_arg,
conf.mysql_database_arg,
- conf.mysql_port_arg, NULL, 0))) {
+ port, NULL, 0))) {
PARA_CRIT_LOG("%s", "connect error\n");
return -E_NOTCONN;
}
}
/* create database */
-int com_cdb(int fd, int argc, char *argv[])
+int com_cdb(int fd, int argc, char * const * argv)
{
char *query;
int ret;
static void shutdown_connection(void)
{
+ int ret;
+
if (mysql_ptr) {
PARA_NOTICE_LOG("%s", "shutting down mysql connection\n");
mysql_close(mysql_ptr);
mysql_ptr = NULL;
}
+ if (mysql_lock) {
+ ret = mutex_destroy(mysql_lock);
+ if (ret < 0)
+ PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
+ mysql_lock = 0;
+ }
}
/**
db->get_audio_file_list = server_get_audio_file_list;
db->update_audio_file = update_audio_file_server_handler;
db->shutdown = shutdown_connection;
+ ret = mutex_new();
+ if (ret < 0)
+ return ret;
+ mysql_lock = ret;
ret = init_mysql_server();
if (ret < 0)
PARA_WARNING_LOG("%s\n", PARA_STRERROR(-ret));
projects / paraslash.git / blobdiff