Hardware: Added Chassis provider

New Provider:
 * LMI_ChassisProvider

1 files changed, 177 insertions, 0 deletions

diff --git a/src/hardware/dmidecode.c b/src/hardware/dmidecode.c
index b3d00ef..d27c9dc 100644
--- a/src/hardware/dmidecode.c
+++ b/src/hardware/dmidecode.c
@@ -1101,3 +1101,180 @@ void dmi_free_memory(DmiMemory *memory)
     memory->modules_nb = 0;
     memory->modules = NULL;
 }
+
+
+/******************************************************************************
+ * DmiChassis
+ */
+
+
+/*
+ * Initialize DmiChassis attributes.
+ * @param chassis
+ */
+void init_dmi_chassis_struct(DmiChassis *chassis)
+{
+    chassis->serial_number = NULL;
+    chassis->type = NULL;
+    chassis->manufacturer = NULL;
+    chassis->sku_number = NULL;
+    chassis->version = NULL;
+    chassis->has_lock = 0;
+    chassis->power_cords = 0;
+}
+
+/*
+ * Check attributes of chassis structure and fill in defaults if needed.
+ * @param chassis
+ * @return 0 if success, negative value otherwise
+ */
+short check_dmi_chassis_attributes(DmiChassis *chassis)
+{
+    short ret = -1;
+
+    if (!chassis->serial_number) {
+        if (!(chassis->serial_number = strdup("Not Specified"))) {
+            ret = -2;
+            goto done;
+        }
+    }
+    if (!chassis->type) {
+        if (!(chassis->type = strdup("Unknown"))) {
+            ret = -3;
+            goto done;
+        }
+    }
+    if (!chassis->manufacturer) {
+        if (!(chassis->manufacturer = strdup(""))) {
+            ret = -4;
+            goto done;
+        }
+    }
+    if (!chassis->sku_number) {
+        if (!(chassis->sku_number = strdup(""))) {
+            ret = -5;
+            goto done;
+        }
+    }
+    if (!chassis->version) {
+        if (!(chassis->version = strdup(""))) {
+            ret = -6;
+            goto done;
+        }
+    }
+
+    ret = 0;
+
+done:
+    if (ret != 0) {
+        warn("Failed to allocate memory.");
+    }
+
+    return ret;
+}
+
+short dmi_get_chassis(DmiChassis *chassis)
+{
+    short ret = -1;
+    unsigned i, buffer_size = 0;
+    char **buffer = NULL, *buf;
+
+    init_dmi_chassis_struct(chassis);
+
+    /* get dmidecode output for chassis */
+    if (run_command("dmidecode -t 3", &buffer, &buffer_size) != 0) {
+        ret = -2;
+        goto done;
+    }
+
+    /* parse information about chassis */
+    for (i = 0; i < buffer_size; i++) {
+        /* Serial Number */
+        buf = copy_string_part_after_delim(buffer[i], "Serial Number: ");
+        if (buf) {
+            chassis->serial_number = buf;
+            buf = NULL;
+            continue;
+        }
+        /* Type */
+        buf = copy_string_part_after_delim(buffer[i], "Type: ");
+        if (buf) {
+            chassis->type = buf;
+            buf = NULL;
+            continue;
+        }
+        /* Manufacturer */
+        buf = copy_string_part_after_delim(buffer[i], "Manufacturer: ");
+        if (buf) {
+            chassis->manufacturer = buf;
+            buf = NULL;
+            continue;
+        }
+        /* SKU Number */
+        buf = copy_string_part_after_delim(buffer[i], "SKU Number: ");
+        if (buf) {
+            chassis->sku_number = buf;
+            buf = NULL;
+            continue;
+        }
+        /* SKU Number */
+        buf = copy_string_part_after_delim(buffer[i], "Version: ");
+        if (buf) {
+            chassis->version = buf;
+            buf = NULL;
+            continue;
+        }
+        /* Has Lock */
+        buf = copy_string_part_after_delim(buffer[i], "Lock: ");
+        if (buf) {
+            if (strcmp(buf, "Present") == 0) {
+                chassis->has_lock = 1;
+            }
+            free(buf);
+            buf = NULL;
+            continue;
+        }
+        /* Number of power cords */
+        buf = copy_string_part_after_delim(buffer[i], "Number Of Power Cords: ");
+        if (buf) {
+            if (strcmp(buf, "Unspecified") != 0) {
+                sscanf(buf, "%u", &chassis->power_cords);
+            }
+            free(buf);
+            buf = NULL;
+            continue;
+        }
+    }
+
+    /* fill in default attributes if needed */
+    if (check_dmi_chassis_attributes(chassis) != 0) {
+        ret = -3;
+        goto done;
+    }
+
+    ret = 0;
+
+done:
+    free_2d_buffer(&buffer, &buffer_size);
+
+    if (ret != 0) {
+        dmi_free_chassis(chassis);
+    }
+
+    return ret;
+}
+
+void dmi_free_chassis(DmiChassis *chassis)
+{
+    free(chassis->serial_number);
+    chassis->serial_number = NULL;
+    free(chassis->type);
+    chassis->type = NULL;
+    free(chassis->manufacturer);
+    chassis->manufacturer = NULL;
+    free(chassis->sku_number);
+    chassis->sku_number = NULL;
+    free(chassis->version);
+    chassis->version = NULL;
+}
+