X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fparser.c;h=74b2559c8ab9776d138bddc7a8ea51ef9625351d;hp=b0668808cd859cfe7706ad5df870005878639a4e;hb=4896183708855fbfd0aa892537fbcc17ed7eb971;hpb=b16b116422f1fb817924f4d2c3d9b1354da35614 diff --git a/discover/parser.c b/discover/parser.c index b066880..74b2559 100644 --- a/discover/parser.c +++ b/discover/parser.c @@ -49,6 +49,25 @@ int parser_request_file(struct discover_context *ctx, return rc; } +int parser_check_dir(struct discover_context *ctx, + struct discover_device *dev, const char *dirname) +{ + struct stat statbuf; + char *path; + int rc; + + if (!dev->mount_path) + return -1; + + path = local_path(ctx, dev, dirname); + + rc = stat(path, &statbuf); + if (!rc) + return -1; + + return S_ISDIR(statbuf.st_mode) ? 0 : -1; +} + int parser_replace_file(struct discover_context *ctx, struct discover_device *dev, const char *filename, char *buf, int len) @@ -78,107 +97,65 @@ int parser_replace_file(struct discover_context *ctx, return rc; } -static int download_config(struct discover_context *ctx, char **buf, int *len) +int parser_request_url(struct discover_context *ctx, struct pb_url *url, + char **buf, int *len) { struct load_url_result *result; int rc; - result = load_url(ctx, ctx->conf_url); + result = load_url(ctx, url); if (!result) - return -1; + goto out; rc = read_file(ctx, result->local, buf, len); - if (rc) + if (rc) { + pb_log("Read failed for the parser %s on file %s\n", + ctx->parser->name, result->local); goto out_clean; + } return 0; out_clean: if (result->cleanup_local) unlink(result->local); +out: return -1; } -static void iterate_parser_files(struct discover_context *ctx, - const struct parser *parser) -{ - const char * const *filename; - const char *path; - - if (!parser->filenames) - return; - - for (filename = parser->filenames; *filename; filename++) { - int rc, len; - char *buf; - - path = local_path(ctx, ctx->device, *filename); - if (!path) - continue; - - rc = read_file(ctx, path, &buf, &len); - if (!rc) { - pb_log("Running parser %s on file %s\n", - parser->name, *filename); - parser->parse(ctx, buf, len); - talloc_free(buf); - } - } -} - -void iterate_parsers(struct discover_context *ctx, enum conf_method method) +void iterate_parsers(struct discover_context *ctx) { struct p_item* i; - int rc, len; - char *buf; pb_log("trying parsers for %s\n", ctx->device->device->id); - switch (method) { - case CONF_METHOD_LOCAL_FILE: - list_for_each_entry(&parsers, i, list) { - if (i->parser->method != CONF_METHOD_LOCAL_FILE) - continue; - - pb_log("\ttrying parser '%s'\n", i->parser->name); - ctx->parser = i->parser; - iterate_parser_files(ctx, ctx->parser); - } - ctx->parser = NULL; - break; - - case CONF_METHOD_DHCP: - rc = download_config(ctx, &buf, &len); - if (rc) { - pb_log("\tdownload failed, aborting\n"); - return; - } - - list_for_each_entry(&parsers, i, list) { - if (i->parser->method != method) - continue; - - pb_log("\ttrying parser '%s'\n", i->parser->name); - ctx->parser = i->parser; - i->parser->parse(ctx, buf, len); - } - - break; - - case CONF_METHOD_UNKNOWN: - break; - + list_for_each_entry(&parsers, i, list) { + pb_debug("\ttrying parser '%s'\n", i->parser->name); + ctx->parser = i->parser; + i->parser->parse(ctx); } + ctx->parser = NULL; } +static void *parsers_ctx; + void __register_parser(struct parser *parser) { - struct p_item* i = talloc(NULL, struct p_item); + struct p_item *i; + if (!parsers_ctx) + parsers_ctx = talloc_new(NULL); + + i = talloc(parsers_ctx, struct p_item); i->parser = parser; list_add(&parsers, &i->list); } +static __attribute__((destructor)) void cleanup_parsers(void) +{ + talloc_free(parsers_ctx); +} + void parser_init(void) { }