Rewrite grab-client code.

[paraslash.git] / mood.c

diff --git a/mood.c b/mood.c
index ce5c1c7e87fbd76d2ca3599309ce0eb3e0dbd691..cb1534bce4a243ce8ea4a10101a4c1a693300b3c 100644 (file)
--- a/mood.c
+++ b/mood.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2007-2009 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -7,12 +7,14 @@
 /** \file mood.c Paraslash's mood handling functions. */
 
 #include <fnmatch.h>
+#include <osl.h>
 #include "para.h"
 #include "error.h"
 #include "string.h"
 #include "afh.h"
 #include "afs.h"
 #include "list.h"
+#include "ipc.h"
 
 /**
  * Contains statistical data of the currently admissible audio files.
@@ -47,7 +49,7 @@ struct afs_statistics statistics;
  * \sa struct mood_method, mood_parser.
  */
 typedef int mood_score_function(const char *path, const struct afs_info *afsi,
-               const struct audio_format_info *afhi, const void *data);
+               const struct afh_info *afhi, const void *data);
 
 /**
  * Pre-process a mood line.
@@ -83,7 +85,7 @@ typedef void mood_cleanup_function(void *);
  * Used for scoring and to determine whether a file is admissible.
  */
 struct mood_method {
-       /* The name of the method. */
+       /** The name of the method. */
        const char *name;
        /** Pointer to the mood parser. */
        mood_parser *parser;
@@ -172,7 +174,7 @@ static int mm_no_attributes_set_parser(const char *arg, __a_unused void **ignore
 
 static int mm_no_attributes_set_score_function(__a_unused const char *path,
                const struct afs_info *afsi,
-               __a_unused const struct audio_format_info *afhi,
+               __a_unused const struct afh_info *afhi,
                __a_unused const void *data)
 {
        if (!afsi->attributes)
@@ -182,7 +184,7 @@ static int mm_no_attributes_set_score_function(__a_unused const char *path,
 
 static int mm_played_rarely_score_function(__a_unused const char *path,
                const struct afs_info *afsi,
-               __a_unused const struct audio_format_info *afhi,
+               __a_unused const struct afh_info *afhi,
                __a_unused const void *data)
 {
        unsigned num;
@@ -203,9 +205,9 @@ static int mm_played_rarely_parser(const char *arg, __a_unused void **ignored)
        return 1;
 }
 
-static int mm_name_like_score_function(const char *path,
+static int mm_path_matches_score_function(const char *path,
                __a_unused const struct afs_info *afsi,
-               __a_unused const struct audio_format_info *afhi,
+               __a_unused const struct afh_info *afhi,
                const void *data)
 {
        if (fnmatch(data, path, 0))
@@ -213,13 +215,13 @@ static int mm_name_like_score_function(const char *path,
        return 100;
 }
 
-static int mm_name_like_parser(const char *arg, void **data)
+static int mm_path_matches_parser(const char *arg, void **data)
 {
        *data = para_strdup(arg);
        return 1;
 }
 
-static void mm_name_like_cleanup(void *data)
+static void mm_path_matches_cleanup(void *data)
 {
        free(data);
 }
@@ -238,7 +240,7 @@ static int mm_is_set_parser(const char *arg, void **bitnum)
 
 static int mm_is_set_score_function(__a_unused const char *path,
                __a_unused const struct afs_info *afsi,
-               __a_unused const struct audio_format_info *afhi,
+               __a_unused const struct afh_info *afhi,
                const void *data)
 {
        const unsigned char *bn = data;
@@ -252,7 +254,7 @@ static int add_item_score(const struct osl_row *row, struct mood_item *item, lon
                long *score_arg_sum)
 {
        struct afs_info afsi;
-       struct audio_format_info afhi;
+       struct afh_info afhi;
        char *path;
        int ret;
 
@@ -320,7 +322,7 @@ static const struct mood_method mood_methods[] = {
        {DEFINE_MOOD_METHOD(no_attributes_set)},
        {DEFINE_MOOD_METHOD(played_rarely)},
        {DEFINE_MOOD_METHOD(is_set)},
-       {DEFINE_MOOD_METHOD_WITH_CLEANUP(name_like)},
+       {DEFINE_MOOD_METHOD_WITH_CLEANUP(path_matches)},
        {.parser = NULL}
 };
 
@@ -372,8 +374,11 @@ enum mood_line_type {
        ML_SCORE
 };
 
+/** Data passed to the parser of a mood line. */
 struct mood_line_parser_data {
+       /** The mood this mood line belongs to. */
        struct mood *m;
+       /** The line number in the mood definition. */
        unsigned line_num;
 };
 
@@ -388,17 +393,17 @@ static int parse_mood_line(char *mood_line, void *data)
 {
        struct mood_line_parser_data *mlpd = data;
        char **argv;
-       char *delim = " \t";
        unsigned num_words;
        char **w;
        int i, ret;
        enum mood_line_type mlt = ML_INVALID;
        struct mood_item *mi = NULL;
-       char *buf = para_strdup(mood_line);
 
        mlpd->line_num++;
-       num_words = split_args(buf, &argv, delim);
-       ret = 1;
+       ret = create_argv(mood_line, " \t", &argv);
+       if (ret < 0)
+               return ret;
+       num_words = ret;
        if (!num_words) /* empty line */
                goto out;
        w = argv;
@@ -419,11 +424,13 @@ static int parse_mood_line(char *mood_line, void *data)
                w++;
                if (!*w)
                        goto out;
-               if (!strcmp(*w, "with")) {
-                       w++;
-                       if (!*w)
-                               goto out;
-               }
+               if (strcmp(*w, "with"))
+                       goto check_for_if;
+               w++;
+               if (!*w)
+                       goto out;
+               if (strcmp(*w, "score"))
+                       goto out;
        }
        if (mlt == ML_SCORE || !strcmp(*w, "score")) {
                ret = -E_MOOD_SYNTAX;
@@ -446,6 +453,7 @@ static int parse_mood_line(char *mood_line, void *data)
        w++;
        if (!*w)
                goto out;
+check_for_if:
        if (!strcmp(*w, "if")) {
                ret = -E_MOOD_SYNTAX;
                w++;
@@ -486,8 +494,7 @@ success:
                (mlt == ML_DENY? "deny" : "score"), mi->method);
        ret = 1;
 out:
-       free(argv);
-       free(buf);
+       free_argv(argv);
        if (ret >= 0)
                return ret;
        if (mi) {
@@ -514,7 +521,7 @@ static int load_mood(const struct osl_row *mood_row, struct mood **m)
        osl_close_disk_object(&mood_def);
        if (ret < 0) {
                PARA_ERROR_LOG("unable to load mood %s: %s\n", mlpd.m->name,
-                       PARA_STRERROR(-ret));
+                       para_strerror(-ret));
                destroy_mood(mlpd.m);
                return ret;
        }
@@ -532,39 +539,47 @@ static int check_mood(struct osl_row *mood_row, void *data)
        int ret = mood_get_name_and_def_by_row(mood_row, &mood_name, &mood_def);
 
        if (ret < 0) {
-               para_printf(pb, "failed to get mood definition\n");
+               para_printf(pb, "failed to get mood definition: %s\n",
+                       para_strerror(-ret));
                return ret;
        }
        if (!*mood_name) /* ignore dummy row */
                goto out;
-       para_printf(pb, "checking mood %s...\n", mood_name);
+       ret = para_printf(pb, "checking mood %s...\n", mood_name);
+       if (ret < 0)
+               goto out;
        ret = for_each_line_ro(mood_def.data, mood_def.size,
                parse_mood_line, &mlpd);
        if (ret < 0)
                para_printf(pb, "%s line %u: %s\n", mood_name, mlpd.line_num,
-                       PARA_STRERROR(-ret));
+                       para_strerror(-ret));
 out:
        osl_close_disk_object(&mood_def);
-       return 1;
+       return ret;
 }
 
 /**
  * Check all moods for syntax errors.
  *
+ * \param fd The afs socket.
  * \param query Unused.
- * \param result: Contains check messages.
  */
-int mood_check_callback(__a_unused const struct osl_object *query,
-       struct osl_object *result)
+void mood_check_callback(int fd, __a_unused const struct osl_object *query)
 {
-       struct para_buffer pb = {.buf = NULL};
+       struct para_buffer pb = {
+               .max_size = SHMMAX,
+               .private_data = &fd,
+               .max_size_handler = pass_buffer_as_shm
+       };
 
-       para_printf(&pb, "checking moods...\n");
+       int ret = para_printf(&pb, "checking moods...\n");
+       if (ret < 0)
+               return;
        osl_rbtree_loop(moods_table, BLOBCOL_ID, &pb,
                check_mood);
-       result->data = pb.buf;
-       result->size = pb.size;
-       return 1;
+       if (pb.offset)
+               pass_buffer_as_shm(pb.buf, pb.offset, &fd);
+       free(pb.buf);
 }
 
 #if 0
@@ -956,7 +971,7 @@ int change_current_mood(char *mood_name)
                        .data = mood_name,
                        .size = strlen(mood_name) + 1
                };
-               ret = osl_get_row(moods_table, BLOBCOL_NAME, &obj, &row);
+               ret = osl(osl_get_row(moods_table, BLOBCOL_NAME, &obj, &row));
                if (ret < 0) {
                        PARA_NOTICE_LOG("no such mood: %s\n", mood_name);
                        return ret;
@@ -1007,9 +1022,10 @@ int reload_current_mood(void)
        int ret;
        char *mood_name = NULL;
 
-       PARA_NOTICE_LOG("reloading current mood\n");
        if (!current_mood)
                return 1;
+       PARA_NOTICE_LOG("reloading %s\n", current_mood->name?
+               current_mood->name : "(dummy)");
        if (current_mood->name)
                mood_name = para_strdup(current_mood->name);
        close_current_mood();
@@ -1051,6 +1067,5 @@ int moods_event_handler(enum afs_events event, __a_unused struct para_buffer *pb
        default:
                return 1;
        }
-       return 1;
 }