1 files changed, 152 insertions, 0 deletions
diff --git a/globalhandler.cpp b/globalhandler.cpp
new file mode 100644
index 0000000..889d127
--- /dev/null
+++ b/globalhandler.cpp
@@ -0,0 +1,152 @@
+#include "globalhandler.h"
+#include "ipmid-api.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+const char  *control_object_name  =  "/org/openbmc/control/bmc0";
+const char  *control_intf_name    =  "org.openbmc.control.Bmc";
+
+const char  *objectmapper_service_name =  "org.openbmc.ObjectMapper";
+const char  *objectmapper_object_name  =  "/org/openbmc/ObjectMapper";
+const char  *objectmapper_intf_name    =  "org.openbmc.ObjectMapper";
+
+void register_netfn_global_functions() __attribute__((constructor));
+
+int obj_mapper_get_connection(char** buf, const char* obj_path)
+{
+    sd_bus_error error = SD_BUS_ERROR_NULL;
+    sd_bus_message *m = NULL;
+    sd_bus *bus = NULL;
+    char *temp_buf = NULL, *intf = NULL;
+    size_t buf_size = 0;
+    int r;
+
+    //Get the system bus where most system services are provided.
+    bus = ipmid_get_sd_bus_connection();
+
+    /*
+     * Bus, service, object path, interface and method are provided to call
+     * the method.
+     * Signatures and input arguments are provided by the arguments at the
+     * end.
+     */
+    r = sd_bus_call_method(bus,
+            objectmapper_service_name,                      /* service to contact */
+            objectmapper_object_name,                       /* object path */
+            objectmapper_intf_name,                         /* interface name */
+            "GetObject",                                    /* method name */
+            &error,                                         /* object to return error in */
+            &m,                                             /* return message on success */
+            "s",                                            /* input signature */
+            obj_path                                        /* first argument */
+            );
+
+    if (r < 0) {
+        fprintf(stderr, "Failed to issue method call: %s\n", error.message);
+        goto finish;
+    }
+
+    // Get the key, aka, the connection name
+    sd_bus_message_read(m, "a{sas}", 1, &temp_buf, 1, &intf);
+    
+	/* 
+     * TODO: check the return code. Currently for no reason the message
+     * parsing of object mapper is always complaining about
+     * "Device or resource busy", but the result seems OK for now. Need
+     *  further checks.
+     */
+
+    buf_size = strlen(temp_buf) + 1;
+    printf("IPMID connection name: %s\n", temp_buf);
+    *buf = (char*)malloc(buf_size);
+
+    if (*buf == NULL) {
+        fprintf(stderr, "Malloc failed for warm reset");
+        r = -1;
+        goto finish;
+    }
+
+    memcpy(*buf, temp_buf, buf_size);
+
+finish:
+    sd_bus_error_free(&error);
+    sd_bus_message_unref(m);
+
+    return r;
+}
+
+int dbus_warm_reset()
+{
+    sd_bus_error error = SD_BUS_ERROR_NULL;
+    sd_bus_message *m = NULL;
+    sd_bus *bus = NULL;
+    char* temp_buf = NULL;
+    uint8_t* get_value = NULL;
+    char* connection = NULL;
+    int r, i;
+
+    r = obj_mapper_get_connection(&connection, control_object_name);
+    if (r < 0) {
+        fprintf(stderr, "Failed to get connection, return value: %d.\n", r);
+        goto finish;
+    }
+
+    printf("connection: %s\n", connection);
+
+    // Open the system bus where most system services are provided.
+    bus = ipmid_get_sd_bus_connection();
+    
+    /*
+     * Bus, service, object path, interface and method are provided to call
+     * the method.
+     * Signatures and input arguments are provided by the arguments at the
+     * end.
+	 */
+    r = sd_bus_call_method(bus,
+            connection,                                /* service to contact */
+            control_object_name,                       /* object path */
+            control_intf_name,                         /* interface name */
+            "warmReset",                               /* method name */
+            &error,                                    /* object to return error in */
+            &m,                                        /* return message on success */
+            NULL,
+            NULL
+            );
+
+    if (r < 0) {
+        fprintf(stderr, "Failed to issue method call: %s\n", error.message);
+        goto finish;
+    }
+
+finish:
+    sd_bus_error_free(&error);
+    sd_bus_message_unref(m);
+    free(connection);
+
+    return r;
+}
+
+ipmi_ret_t ipmi_global_warm_reset(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+                              ipmi_request_t request, ipmi_response_t response,
+                              ipmi_data_len_t data_len, ipmi_context_t context)
+{
+    printf("Handling GLOBAL warmReset Netfn:[0x%X], Cmd:[0x%X]\n",netfn, cmd);
+
+    // TODO: call the correct dbus method for warmReset.
+    dbus_warm_reset();
+
+    // Status code.
+    ipmi_ret_t rc = IPMI_CC_OK;
+    *data_len = 0;
+    return rc;
+}
+
+
+void register_netfn_global_functions()
+{
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, IPMI_CMD_WARM_RESET);
+    ipmi_register_callback(NETFUN_APP, IPMI_CMD_WARM_RESET, NULL, ipmi_global_warm_reset);
+
+    return;
+}