server: Convert com_mvatt() to lopsub.

[paraslash.git] / afs.c

diff --git a/afs.c b/afs.c
index 0946b6df3b0766f82f95f0cd100f039753543350..92c58cc8cbe142a4f403b6bd0654c21f8136757e 100644 (file)
--- a/afs.c
+++ b/afs.c
@@ -12,9 +12,11 @@
 #include <signal.h>
 #include <fnmatch.h>
 #include <osl.h>
+#include <lopsub.h>
 #include <arpa/inet.h>
 #include <sys/un.h>
 #include <netdb.h>
+#include <lopsub.h>
 
 #include "server.cmdline.h"
 #include "para.h"
@@ -279,6 +281,36 @@ out:
        return num_dispatched;
 }
 
+/**
+ * Wrapper for send_callback_request() which passes a lopsub parse result.
+ *
+ * \param f The callback function.
+ * \param cmd Needed for (de-)serialization.
+ * \param lpr Must match cmd.
+ * \param private_result_data Passed to send_callback_request().
+ *
+ * This function serializes the parse result given by the lpr pointer into a
+ * buffer. The buffer is sent as the query to the afs process with the callback
+ * mechanism.
+ *
+ * \return The return value of the underlying call to send_callback_request().
+ */
+int send_lls_callback_request(afs_callback *f,
+               const struct lls_command * const cmd,
+               struct lls_parse_result *lpr, void *private_result_data)
+{
+       struct osl_object query;
+       char *buf = NULL;
+       int ret = lls_serialize_parse_result(lpr, cmd, &buf, &query.size);
+
+       assert(ret >= 0);
+       query.data = buf;
+       ret = send_callback_request(f, &query, afs_cb_result_handler,
+               private_result_data);
+       free(buf);
+       return ret;
+}
+
 /**
  * Send a callback request passing an options structure and an argument vector.
  *
@@ -354,7 +386,7 @@ static int action_if_pattern_matches(struct osl_row *row, void *data)
        struct pattern_match_data *pmd = data;
        struct osl_object name_obj;
        const char *p, *name;
-       int ret = osl(osl_get_object(pmd->table, row, pmd->match_col_num, &name_obj));
+       int i, ret = osl(osl_get_object(pmd->table, row, pmd->match_col_num, &name_obj));
        const char *pattern_txt = (const char *)pmd->patterns.data;
 
        if (ret < 0)
@@ -362,22 +394,37 @@ static int action_if_pattern_matches(struct osl_row *row, void *data)
        name = (char *)name_obj.data;
        if ((!name || !*name) && (pmd->pm_flags & PM_SKIP_EMPTY_NAME))
                return 1;
-       if (pmd->patterns.size == 0 &&
-                       (pmd->pm_flags & PM_NO_PATTERN_MATCHES_EVERYTHING)) {
-               pmd->num_matches++;
-               return pmd->action(pmd->table, row, name, pmd->data);
+       if ((pmd->lpr && lls_num_inputs(pmd->lpr) == 0) || pmd->patterns.size == 0) {
+               if (pmd->pm_flags & PM_NO_PATTERN_MATCHES_EVERYTHING) {
+                       pmd->num_matches++;
+                       return pmd->action(pmd->table, row, name, pmd->data);
+               }
        }
-       for (p = pattern_txt; p < pattern_txt + pmd->patterns.size;
-                       p += strlen(p) + 1) {
+       p = pattern_txt;
+       i = pmd->input_skip;
+       for (;;) {
+               if (pmd->lpr) {
+                       if (i >= lls_num_inputs(pmd->lpr))
+                               break;
+                       p = lls_input(i, pmd->lpr);
+               } else {
+                       if (p >= pattern_txt + pmd->patterns.size)
+                               break;
+               }
                ret = fnmatch(p, name, pmd->fnmatch_flags);
-               if (ret == FNM_NOMATCH)
-                       continue;
-               if (ret)
-                       return -E_FNMATCH;
-               ret = pmd->action(pmd->table, row, name, pmd->data);
-               if (ret >= 0)
-                       pmd->num_matches++;
-               return ret;
+               if (ret != FNM_NOMATCH) {
+                       if (ret != 0)
+                               return -E_FNMATCH;
+                       ret = pmd->action(pmd->table, row, name, pmd->data);
+                       if (ret >= 0)
+                               pmd->num_matches++;
+                       return ret;
+
+               }
+               if (pmd->lpr)
+                       i++;
+               else
+                       p += strlen(p) + 1;
        }
        return 1;
 }
@@ -888,7 +935,7 @@ static int execute_server_command(fd_set *rfds)
                return ret;
        buf[n] = '\0';
        if (strcmp(buf, "new"))
-               return -E_BAD_CMD;
+               return -ERRNO_TO_PARA_ERROR(EINVAL);
        return open_next_audio_file();
 }
 
@@ -1070,23 +1117,24 @@ out:
        return ret;
 }
 
-int com_init(struct command_context *cc)
+static int com_init(struct command_context *cc, struct lls_parse_result *lpr)
 {
        int i, j, ret;
        uint32_t table_mask = (1 << (NUM_AFS_TABLES + 1)) - 1;
        struct osl_object query = {.data = &table_mask,
                .size = sizeof(table_mask)};
+       unsigned num_inputs = lls_num_inputs(lpr);
 
        ret = make_database_dir();
        if (ret < 0)
                return ret;
-       if (cc->argc != 1) {
+       if (num_inputs > 0) {
                table_mask = 0;
-               for (i = 1; i < cc->argc; i++) {
+               for (i = 0; i < num_inputs; i++) {
                        for (j = 0; j < NUM_AFS_TABLES; j++) {
                                struct afs_table *t = &afs_tables[j];
 
-                               if (strcmp(cc->argv[i], t->name))
+                               if (strcmp(lls_input(i, lpr), t->name))
                                        continue;
                                table_mask |= (1 << j);
                                break;
@@ -1098,6 +1146,7 @@ int com_init(struct command_context *cc)
        return send_callback_request(com_init_callback, &query,
                afs_cb_result_handler, cc);
 }
+EXPORT_SERVER_CMD_HANDLER(init);
 
 /**
  * Flags for the check command.