lib: Add plugin_option type and protocol

[petitboot] / lib / pb-protocol / pb-protocol.c

diff --git a/lib/pb-protocol/pb-protocol.c b/lib/pb-protocol/pb-protocol.c
index 8bc8820d8f5833274a6f80322d2d476ccaf7d97d..ed61fe149b1bbac074dae847cb7d359a3417d3cd 100644 (file)
--- a/lib/pb-protocol/pb-protocol.c
+++ b/lib/pb-protocol/pb-protocol.c
@@ -217,8 +217,9 @@ int pb_protocol_boot_len(const struct boot_command *boot)
 
 int pb_protocol_boot_status_len(const struct status *status)
 {
-       return  4 +
+       return  4 +     /* type */
                4 + optional_strlen(status->message) +
+               4 +     /* backlog */
                4;
 }
 
@@ -248,7 +249,8 @@ int pb_protocol_system_info_len(const struct system_info *sysinfo)
                struct interface_info *if_info = sysinfo->interfaces[i];
                len +=  4 + if_info->hwaddr_size +
                        4 + optional_strlen(if_info->name) +
-                       sizeof(if_info->link);
+                       sizeof(if_info->link) +
+                       4 + optional_strlen(if_info->address);
        }
 
        for (i = 0; i < sysinfo->n_blockdevs; i++) {
@@ -338,6 +340,26 @@ int pb_protocol_url_len(const char *url)
        return 4 + optional_strlen(url);
 }
 
+
+int pb_protocol_plugin_option_len(const struct plugin_option *opt)
+{
+       unsigned int i, len = 0;
+
+       len += 4 + optional_strlen(opt->id);
+       len += 4 + optional_strlen(opt->name);
+       len += 4 + optional_strlen(opt->vendor);
+       len += 4 + optional_strlen(opt->vendor_id);
+       len += 4 + optional_strlen(opt->version);
+       len += 4 + optional_strlen(opt->date);
+       len += 4 + optional_strlen(opt->plugin_file);
+
+       len += 4; /* n_executables */
+       for (i = 0; i < opt->n_executables; i++)
+               len += 4 + optional_strlen(opt->executables[i]);
+
+       return len;
+}
+
 int pb_protocol_serialise_device(const struct device *dev,
                char *buf, int buf_len)
 {
@@ -410,6 +432,9 @@ int pb_protocol_serialise_boot_status(const struct status *status,
 
        pos += pb_protocol_serialise_string(pos, status->message);
 
+       *(bool *)pos = __cpu_to_be32(status->backlog);
+       pos += sizeof(bool);
+
        assert(pos <= buf + buf_len);
        (void)buf_len;
 
@@ -461,6 +486,8 @@ int pb_protocol_serialise_system_info(const struct system_info *sysinfo,
 
                *(bool *)pos = if_info->link;
                pos += sizeof(bool);
+
+               pos += pb_protocol_serialise_string(pos, if_info->address);
        }
 
        *(uint32_t *)pos = __cpu_to_be32(sysinfo->n_blockdevs);
@@ -604,6 +631,32 @@ int pb_protocol_serialise_url(const char *url, char *buf, int buf_len)
        return 0;
 }
 
+int pb_protocol_serialise_plugin_option(const struct plugin_option *opt,
+               char *buf, int buf_len)
+{
+       char *pos = buf;
+       unsigned int i;
+
+       pos += pb_protocol_serialise_string(pos, opt->id);
+       pos += pb_protocol_serialise_string(pos, opt->name);
+       pos += pb_protocol_serialise_string(pos, opt->vendor);
+       pos += pb_protocol_serialise_string(pos, opt->vendor_id);
+       pos += pb_protocol_serialise_string(pos, opt->version);
+       pos += pb_protocol_serialise_string(pos, opt->date);
+       pos += pb_protocol_serialise_string(pos, opt->plugin_file);
+
+       *(uint32_t *)pos = __cpu_to_be32(opt->n_executables);
+       pos += 4;
+
+       for (i = 0; i < opt->n_executables; i++)
+               pos += pb_protocol_serialise_string(pos, opt->executables[i]);
+
+       assert(pos <= buf + buf_len);
+       (void)buf_len;
+
+       return 0;
+}
+
 int pb_protocol_write_message(int fd, struct pb_protocol_message *message)
 {
        int total_len, rc;
@@ -847,6 +900,10 @@ int pb_protocol_deserialise_boot_status(struct status *status,
        if (read_string(status, &pos, &len, &status->message))
                goto out;
 
+       /* backlog */
+       status->backlog = *(bool *)pos;
+       pos += sizeof(status->backlog);
+
        rc = 0;
 
 out:
@@ -941,6 +998,9 @@ int pb_protocol_deserialise_system_info(struct system_info *sysinfo,
                if_info->link = *(bool *)pos;
                pos += sizeof(if_info->link);
 
+               if (read_string(if_info, &pos, &len, &if_info->address))
+                       goto out;
+
                sysinfo->interfaces[i] = if_info;
        }
 
@@ -1136,3 +1196,61 @@ int pb_protocol_deserialise_config(struct config *config,
 out:
        return rc;
 }
+
+int pb_protocol_deserialise_plugin_option(struct plugin_option *opt,
+               const struct pb_protocol_message *message)
+{
+       unsigned int len, i, tmp;
+       const char *pos;
+       int rc = -1;
+       char *str;
+
+       len = message->payload_len;
+       pos = message->payload;
+
+       if (read_string(opt, &pos, &len, &str))
+               goto out;
+       opt->id = str;
+
+       if (read_string(opt, &pos, &len, &str))
+               goto out;
+       opt->name = str;
+
+       if (read_string(opt, &pos, &len, &str))
+               goto out;
+       opt->vendor = str;
+
+       if (read_string(opt, &pos, &len, &str))
+               goto out;
+       opt->vendor_id = str;
+
+       if (read_string(opt, &pos, &len, &str))
+               goto out;
+       opt->version = str;
+
+       if (read_string(opt, &pos, &len, &str))
+               goto out;
+       opt->date = str;
+
+       if (read_string(opt, &pos, &len, &str))
+               goto out;
+       opt->plugin_file = str;
+
+       if (read_u32(&pos, &len, &tmp))
+               goto out;
+       opt->n_executables = tmp;
+
+       opt->executables = talloc_zero_array(opt, char *, opt->n_executables);
+       if (!opt->executables)
+               goto out;
+
+       for (i = 0; i < opt->n_executables; i++) {
+               if (read_string(opt, &pos, &len, &str))
+                       goto out;
+               opt->executables[i] = talloc_strdup(opt, str);
+       }
+
+       rc = 0;
+out:
+       return rc;
+}