1 files changed, 146 insertions, 0 deletions
diff --git a/lib/lrmd/lrmd_output.c b/lib/lrmd/lrmd_output.c
new file mode 100644
index 0000000..b0524c6
--- /dev/null
+++ b/lib/lrmd/lrmd_output.c
@@ -0,0 +1,146 @@
+/*
+ * Copyright 2020 the Pacemaker project contributors
+ *
+ * The version control history for this file may have further details.
+ *
+ * This source code is licensed under the GNU Lesser General Public License
+ * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
+ */
+
+#include <crm_internal.h>
+#include <stdarg.h>
+
+#include <crm/lrmd_internal.h>
+#include <crm/common/output_internal.h>
+
+static int
+default_list(pcmk__output_t *out, lrmd_list_t *list, const char *title) {
+    lrmd_list_t *iter = NULL;
+
+    out->begin_list(out, NULL, NULL, "%s", title);
+
+    for (iter = list; iter != NULL; iter = iter->next) {
+        out->list_item(out, NULL, "%s", iter->val);
+    }
+
+    out->end_list(out);
+    lrmd_list_freeall(list);
+    return pcmk_rc_ok;
+}
+
+static int
+xml_list(pcmk__output_t *out, lrmd_list_t *list, const char *ele) {
+    lrmd_list_t *iter = NULL;
+
+    for (iter = list; iter != NULL; iter = iter->next) {
+        pcmk__output_create_xml_text_node(out, ele, iter->val);
+    }
+
+    lrmd_list_freeall(list);
+    return pcmk_rc_ok;
+}
+
+PCMK__OUTPUT_ARGS("alternatives-list", "lrmd_list_t *", "const char *")
+static int
+lrmd__alternatives_list_xml(pcmk__output_t *out, va_list args) {
+    lrmd_list_t *list = va_arg(args, lrmd_list_t *);
+    const char *agent_spec = va_arg(args, const char *);
+
+    pcmk__output_xml_create_parent(out, "providers",
+                                   "for", agent_spec,
+                                   NULL);
+    return xml_list(out, list, "provider");
+}
+
+PCMK__OUTPUT_ARGS("alternatives-list", "lrmd_list_t *", "const char *")
+static int
+lrmd__alternatives_list(pcmk__output_t *out, va_list args) {
+    lrmd_list_t *list = va_arg(args, lrmd_list_t *);
+    const char *agent_spec G_GNUC_UNUSED = va_arg(args, const char *);
+
+    return default_list(out, list, "Providers");
+}
+
+PCMK__OUTPUT_ARGS("agents-list", "lrmd_list_t *", "const char *", "const char *")
+static int
+lrmd__agents_list_xml(pcmk__output_t *out, va_list args) {
+    lrmd_list_t *list = va_arg(args, lrmd_list_t *);
+    const char *agent_spec = va_arg(args, const char *);
+    const char *provider = va_arg(args, const char *);
+
+    xmlNodePtr node = pcmk__output_xml_create_parent(out, "agents",
+                                                     "standard", agent_spec,
+                                                     NULL);
+
+    if (!pcmk__str_empty(provider)) {
+        crm_xml_add(node, "provider", provider);
+    }
+
+    return xml_list(out, list, "agent");
+}
+
+PCMK__OUTPUT_ARGS("agents-list", "lrmd_list_t *", "const char *", "const char *")
+static int
+lrmd__agents_list(pcmk__output_t *out, va_list args) {
+    lrmd_list_t *list = va_arg(args, lrmd_list_t *);
+    const char *agent_spec = va_arg(args, const char *);
+    const char *provider = va_arg(args, const char *);
+
+    int rc;
+    char *title = crm_strdup_printf("%s agents", pcmk__str_empty(provider) ? agent_spec : provider);
+
+    rc = default_list(out, list, title);
+    free(title);
+    return rc;
+}
+
+PCMK__OUTPUT_ARGS("providers-list", "lrmd_list_t *", "const char *")
+static int
+lrmd__providers_list_xml(pcmk__output_t *out, va_list args) {
+    lrmd_list_t *list = va_arg(args, lrmd_list_t *);
+    const char *agent_spec = va_arg(args, const char *);
+
+    xmlNodePtr node = pcmk__output_xml_create_parent(out, "providers",
+                                                     "standard", "ocf",
+                                                     NULL);
+
+    if (agent_spec != NULL) {
+        crm_xml_add(node, "agent", agent_spec);
+    }
+
+    return xml_list(out, list, "provider");
+}
+
+PCMK__OUTPUT_ARGS("providers-list", "lrmd_list_t *", "const char *")
+static int
+lrmd__providers_list(pcmk__output_t *out, va_list args) {
+    lrmd_list_t *list = va_arg(args, lrmd_list_t *);
+    const char *agent_spec G_GNUC_UNUSED = va_arg(args, const char *);
+
+    return default_list(out, list, "Providers");
+}
+
+PCMK__OUTPUT_ARGS("standards-list", "lrmd_list_t *")
+static int
+lrmd__standards_list(pcmk__output_t *out, va_list args) {
+    lrmd_list_t *list = va_arg(args, lrmd_list_t *);
+
+    return default_list(out, list, "Standards");
+}
+
+static pcmk__message_entry_t fmt_functions[] = {
+    { "alternatives-list", "default", lrmd__alternatives_list },
+    { "alternatives-list", "xml", lrmd__alternatives_list_xml },
+    { "agents-list", "default", lrmd__agents_list },
+    { "agents-list", "xml", lrmd__agents_list_xml },
+    { "providers-list", "default", lrmd__providers_list },
+    { "providers-list", "xml", lrmd__providers_list_xml },
+    { "standards-list", "default", lrmd__standards_list },
+
+    { NULL, NULL, NULL }
+};
+
+void
+lrmd__register_messages(pcmk__output_t *out) {
+    pcmk__register_messages(out, fmt_functions);
+}