Improve new config prototype code

Make config LISTs more flexible.  Start implementing existing config options:
directory.service (SID parsing), interfaces (better list logic).
This commit is contained in:
Andrew Bettison 2012-11-22 18:20:13 +10:30
parent ef03eb1a3e
commit 70531fccb6
3 changed files with 432 additions and 198 deletions

144
config.h
View File

@ -1,139 +1,35 @@
#include <netinet/in.h>
#include <stdint.h>
#include "constants.h"
typedef unsigned long debugflags_t;
struct config_node {
const char *source; // = parse_config() 'source' arg
unsigned int line_number;
const char *fullkey; // malloc()
const char *key; // points inside fullkey, do not free()
const char *text; // malloc()
size_t nodc;
struct config_node *nodv[10]; // malloc()
#define RHIZOME_HTTP_PORT 4110
typedef struct binarysid { unsigned char binary[SID_SIZE]; } sid_t;
struct pattern_list {
unsigned patc;
char patv[16][41];
};
void *emalloc(size_t len);
char *strn_emalloc(const char *str, size_t len);
char *str_emalloc(const char *str);
#define PATTERN_LIST_EMPTY ((struct pattern_list){.patc = 0})
struct config_node *parse_config(const char *source, const char *buf, size_t len);
int get_child(const struct config_node *parent, const char *key);
void unsupported_node(const struct config_node *node);
void unsupported_tree(const struct config_node *node);
#define SID_NONE ((sid_t){0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0})
#define SID_BROADCAST ((sid_t){0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff})
// Generate value structs, struct config_SECTION.
#define SECTION(__sect) struct config_##__sect {
#define ITEM(__name, __type, __default, __parser, __comment) __type __name;
#define SUB(__name, __sect) struct config_##__sect __name;
#define LIST(__name, __type, __parser, __comment) struct { unsigned listc; struct { const char *label; __type value; } *listv; } __name;
#define ATOM(__type, __name, __default, __parser, __flags, __comment) __type __name;
#define STRING(__size, __name, __default, __parser, __flags, __comment) char __name[__size + 1];
#define SUB(__sect, __name, __flags) struct config_##__sect __name;
#define SUBP(__sect, __name, __parser, __flags) struct config_##__sect __name;
#define SECTION_END };
#define LIST(__sect, __type, __size, __parser, __comment) struct config_##__sect { unsigned listc; struct { char label[41]; __type value; } listv[(__size)]; };
#include "config_schema.h"
#undef SECTION
#undef ITEM
#undef ATOM
#undef STRING
#undef SUB
#undef LIST
#undef SUBP
#undef SECTION_END
// Generate parser function prototypes.
#define SECTION(__sect) int opt_config_##__sect(struct config_##__sect *s, const struct config_node *node);
#define ITEM(__name, __type, __default, __parser, __comment) int __parser(__type *, const struct config_node *);
#define SUB(__name, __sect)
#define LIST(__name, __type, __parser, __comment) int __parser(__type *, const struct config_node *);
#define SECTION_END
#include "config_schema.h"
#undef SECTION
#undef ITEM
#undef SUB
#undef LIST
#undef SECTION_END
int opt_boolean(int *booleanp, const struct config_node *node);
int opt_absolute_path(const char **pathp, const struct config_node *node);
int opt_debugflags(debugflags_t *flagsp, const struct config_node *node);
int opt_rhizome_peer(struct config_rhizomepeer *, const struct config_node *node);
int opt_host(const char **hostp, const struct config_node *node);
int opt_port(unsigned short *portp, const struct config_node *node);
// Generate default functions, dfl_config_SECTION()
#define SECTION(__sect) \
void dfl_config_##__sect(struct config_##__sect *s) {
#define ITEM(__name, __type, __default, __parser, __comment) s->__name = __default;
#define SUB(__name, __sect) dfl_config_##__sect(&s->__name);
#define LIST(__name, __type, __parser, __comment) s->__name.listc = 0; s->__name.listv = NULL;
#define SECTION_END }
#include "config_schema.h"
#undef SECTION
#undef ITEM
#undef SUB
#undef LIST
#undef SECTION_END
// Generate parsing functions, opt_config_SECTION()
#define SECTION(__sect) \
int opt_config_##__sect(struct config_##__sect *s, const struct config_node *node) { \
if (node->text) unsupported_node(node); \
int i; \
char used[node->nodc]; \
for (i = 0; i < node->nodc; ++i) \
used[i] = 0;
#define ITEM(__name, __type, __default, __parser, __comment) \
if ((i = get_child(node, #__name)) != -1) { \
used[i] = 1; \
__parser(&s->__name, node->nodv[i]); \
}
#define SUB(__name, __sect) \
if ((i = get_child(node, #__name)) != -1) { \
used[i] = 1; \
opt_config_##__sect(&s->__name, node->nodv[i]); \
}
#define LIST(__name, __type, __parser, __comment) \
if ((i = get_child(node, #__name)) != -1) { \
used[i] = 1; \
const struct config_node *child = node->nodv[i]; \
if (child->text) \
unsupported_node(child); \
char *labels[child->nodc]; \
__type values[child->nodc]; \
int n = 0; \
int j; \
for (j = 0; j < child->nodc; ++j) { \
const struct config_node *elt = child->nodv[j]; \
switch (__parser(&values[n], elt)) { \
case -1: \
return -1; \
case 0: \
if (!(labels[n++] = str_emalloc(elt->key))) { \
while (n) \
free(labels[--n]); \
return -1; \
} \
break; \
} \
} \
if (n) { \
if (s->__name.listv = emalloc(n * sizeof(s->__name.listv[0]))) { \
for (j = 0; j < n; ++j) { \
s->__name.listv[j].label = labels[j]; \
s->__name.listv[j].value = values[j]; \
} \
s->__name.listc = n; \
} else { \
while (n) \
free(labels[--n]); \
return -1; \
} \
} \
}
#define SECTION_END \
for (i = 0; i < node->nodc; ++i) \
if (!used[i]) \
unsupported_tree(node->nodv[i]); \
return 0; \
}
#include "config_schema.h"
#undef SECTION
#undef ITEM
#undef SUB
#undef LIST
#undef SECTION_END

View File

@ -1,27 +1,44 @@
SECTION(log)
ITEM( file, const char *, NULL, opt_absolute_path, "Absolute path of log file")
ITEM( show_pid, int, 1, opt_boolean, "If true, all log lines contain PID of logging process")
ITEM( show_time, int, 1, opt_boolean, "If true, all log lines contain time stamp")
STRING(256, file, "", opt_absolute_path,, "Absolute path of log file")
ATOM(int, show_pid, 1, opt_boolean,, "If true, all log lines contain PID of logging process")
ATOM(int, show_time, 1, opt_boolean,, "If true, all log lines contain time stamp")
SECTION_END
SECTION(rhizomepeer)
ITEM( protocol, const char *, NULL, opt_protocol, "Protocol name")
ITEM( host, const char *, NULL, opt_host, "Host name or IP address")
ITEM( port, unsigned short, 4110, opt_port, "Port number")
STRING(25, protocol, "http", opt_protocol,, "Protocol name")
STRING(256, host, "", opt_str_nonempty, MANDATORY, "Host name or IP address")
ATOM(uint16_t, port, RHIZOME_HTTP_PORT, opt_port,, "Port number")
SECTION_END
LIST(peerlist, struct config_rhizomepeer, 10, opt_rhizome_peer, "List of rhizome peers")
SECTION(rhizomedirect)
LIST( peer, struct config_rhizomepeer, opt_rhizome_peer, "List of rhizome peers")
SUB(peerlist, peer,)
SECTION_END
SECTION(rhizome)
ITEM( path, const char *, NULL, opt_absolute_path, "Absolute path of rhizome directory")
ITEM( enabled, int, 1, opt_boolean, "If true, Rhizome HTTP server is started")
SUB( direct, rhizomedirect)
STRING(256, path, "", opt_absolute_path,, "Absolute path of rhizome directory")
ATOM(int, enabled, 1, opt_boolean,, "If true, Rhizome HTTP server is started")
SUB(rhizomedirect, direct,)
SECTION_END
SECTION(main)
SUB( log, log)
ITEM( debug, debugflags_t, 0, opt_debugflags, "Debug flags")
SUB( rhizome, rhizome)
SECTION(directory)
ATOM(sid_t, service, SID_NONE, opt_sid,, "Subscriber ID of Serval Directory Service")
SECTION_END
SECTION(network_interface)
ATOM(struct pattern_list,match, PATTERN_LIST_EMPTY, opt_pattern_list, MANDATORY, "Names that match network interface")
ATOM(short, type, OVERLAY_INTERFACE_WIFI, opt_interface_type,, "Type of network interface")
ATOM(uint16_t, port, RHIZOME_HTTP_PORT, opt_port,, "Port number for network interface")
ATOM(uint64_t, speed, 1000000, opt_uint64_scaled,, "Speed in bits per second")
SECTION_END
LIST(interface_list, struct config_network_interface, 10, opt_config_network_interface, "List of network interfaces")
SECTION(main)
SUBP(interface_list, interfaces, opt_interface_list, MANDATORY)
SUB(log, log,)
ATOM(debugflags_t, debug, 0, opt_debugflags,, "Debug flags")
SUB(rhizome, rhizome,)
SUB(directory, directory,)
SECTION_END

View File

@ -8,16 +8,25 @@
#include "str.h"
#include "strbuf_helpers.h"
#include "config.h"
#define NELS(a) (sizeof (a) / sizeof *(a))
#define DEBUGF(F,...) fprintf(stderr, "DEBUG: " F "\n", ##__VA_ARGS__)
#define WARNF(F,...) fprintf(stderr, "WARN: " F "\n", ##__VA_ARGS__)
#define WHYF(F,...) fprintf(stderr, "ERROR: " F "\n", ##__VA_ARGS__)
#define WHYF_perror(F,...) fprintf(stderr, "ERROR: " F ": %s [errno=%d]\n", ##__VA_ARGS__, strerror(errno), errno)
#define alloca_str(s) ((s) ? alloca_str_toprint(s) : "NULL")
struct config_main config;
struct config_main default_config;
#include "config.h"
struct config_node {
const char *source; // = parse_config() 'source' arg
unsigned int line_number;
const char *fullkey; // malloc()
const char *key; // points inside fullkey, do not free()
const char *text; // malloc()
size_t nodc;
struct config_node *nodv[10]; // malloc()
};
const char *find_keyend(const char *const key, const char *const fullkeyend)
{
@ -73,7 +82,7 @@ int make_child(struct config_node **const parentp, const char *const fullkey, co
c = strncmp(key, child->key, keylen);
if (c == 0 && child->key[keylen])
c = -1;
//DEBUGF(" m=%d n=%d i=%d child->key=%s c=%d", m, n, i, alloca_str_toprint(child->key), c);
//DEBUGF(" m=%d n=%d i=%d child->key=%s c=%d", m, n, i, alloca_str(child->key), c);
if (c == 0) {
//DEBUGF(" found i=%d", i);
return i;
@ -90,7 +99,7 @@ int make_child(struct config_node **const parentp, const char *const fullkey, co
child = emalloc(sizeof *child);
if (child == NULL)
return -1;
memset(child, sizeof *child, 0);
memset(child, 0, sizeof *child);
++(*parentp)->nodc;
if ((*parentp)->nodc > NELS((*parentp)->nodv))
*parentp = realloc(*parentp, sizeof(**parentp) + sizeof((*parentp)->nodv[0]) * ((*parentp)->nodc - NELS((*parentp)->nodv)));
@ -127,7 +136,7 @@ struct config_node *parse_config(const char *source, const char *buf, size_t len
struct config_node *root = emalloc(sizeof(struct config_node));
if (root == NULL)
return NULL;
memset(root, sizeof *root, 0);
memset(root, 0, sizeof *root);
const char *end = buf + len;
const char *line = buf;
const char *nextline;
@ -177,8 +186,7 @@ struct config_node *parse_config(const char *source, const char *buf, size_t len
);
continue;
}
for (++p; p < lend && isspace(*p); ++p)
;
++p;
if (!(node->text = strn_emalloc(p, lend - p)))
break; // out of memory
node->source = source;
@ -198,9 +206,9 @@ void dump_config_node(const struct config_node *node, int indent)
DEBUGF("%*s%s:%u fullkey=%s key=%s text=%s", indent * 3, "",
node->source ? node->source : "NULL",
node->line_number,
node->fullkey ? alloca_str_toprint(node->fullkey) : "NULL",
node->key ? alloca_str_toprint(node->key) : "NULL",
node->text ? alloca_str_toprint(node->text) : "NULL"
alloca_str(node->fullkey),
alloca_str(node->key),
alloca_str(node->text)
);
int i;
for (i = 0; i < node->nodc; ++i)
@ -217,22 +225,33 @@ int get_child(const struct config_node *parent, const char *key)
return -1;
}
void missing_node(const struct config_node *parent, const char *key)
{
WARNF("missing configuration option `%s.%s`", parent->fullkey, key);
}
void invalid_text(const struct config_node *node, const char *reason)
{
WARNF("%s:%u: ignoring configuration option %s with invalid value %s%s%s",
node->source, node->line_number,
alloca_str_toprint(node->fullkey),
alloca_str_toprint(node->text),
alloca_str(node->fullkey),
alloca_str(node->text),
reason && reason[0] ? " -- " : "", reason ? reason : ""
);
}
void ignore_node(const struct config_node *node, const char *msg)
{
WARNF("%s:%u: ignoring configuration option %s%s%s",
node->source, node->line_number, alloca_str_toprint(node->fullkey),
msg && msg[0] ? " -- " : "", msg ? msg : ""
);
if (node->source && node->line_number)
WARNF("%s:%u: ignoring configuration option %s%s%s",
node->source, node->line_number, alloca_str(node->fullkey),
msg && msg[0] ? " -- " : "", msg ? msg : ""
);
else
WARNF("ignoring configuration option %s%s%s",
alloca_str(node->fullkey),
msg && msg[0] ? " -- " : "", msg ? msg : ""
);
}
void ignore_tree(const struct config_node *node, const char *msg);
@ -256,6 +275,16 @@ void unsupported_node(const struct config_node *node)
ignore_node(node, "not supported");
}
void list_overflow(const struct config_node *node)
{
ignore_children(node, "list overflow");
}
void list_omit_element(const struct config_node *node)
{
ignore_node(node, "omitted from list");
}
void spurious_children(const struct config_node *parent)
{
ignore_children(parent, "spurious");
@ -271,39 +300,84 @@ void unsupported_tree(const struct config_node *node)
ignore_tree(node, "not supported");
}
/* Return values for parsing functions */
#define CFERROR (-1)
#define CFOK 0
#define CFOVERFLOW 1
#define CFMISSING 2
#define CFINVALID 3
// Generate parser function prototypes.
#define SECTION(__sect) \
int opt_config_##__sect(struct config_##__sect *, const struct config_node *);
#define ATOM(__type, __name, __default, __parser, __flags, __comment) \
int __parser(__type *, const struct config_node *);
#define STRING(__size, __name, __default, __parser, __flags, __comment) \
int __parser(char *, size_t, const struct config_node *);
#define SUB(__sect, __name, __flags) \
int opt_config_##__sect(struct config_##__sect *, const struct config_node *node);
#define SUBP(__sect, __name, __parser, __flags) \
int __parser(struct config_##__sect *, const struct config_node *node);
#define SECTION_END
#define LIST(__sect, __type, __size, __parser, __comment) \
int opt_config_##__sect(struct config_##__sect *, const struct config_node *); \
int __parser(__type *, const struct config_node *);
#include "config_schema.h"
#undef SECTION
#undef ATOM
#undef STRING
#undef SUB
#undef SUBP
#undef SECTION_END
#undef LIST
int opt_boolean(int *booleanp, const struct config_node *node);
int opt_absolute_path(char *str, size_t len, const struct config_node *node);
int opt_debugflags(debugflags_t *flagsp, const struct config_node *node);
int opt_rhizome_peer(struct config_rhizomepeer *, const struct config_node *node);
int opt_str_nonempty(char *str, size_t len, const struct config_node *node);
int opt_port(unsigned short *portp, const struct config_node *node);
int opt_uint64_scaled(uint64_t *intp, const struct config_node *node);
int opt_sid(sid_t *sidp, const struct config_node *node);
int opt_interface_type(short *typep, const struct config_node *node);
int opt_pattern_list(struct pattern_list *listp, const struct config_node *node);
int opt_interface_list(struct config_interface_list *listp, const struct config_node *node);
int opt_boolean(int *booleanp, const struct config_node *node)
{
unsupported_children(node);
if (!node->text)
return 1;
return CFMISSING;
if (!strcasecmp(node->text, "true") || !strcasecmp(node->text, "yes") || !strcasecmp(node->text, "on") || !strcasecmp(node->text, "1")) {
*booleanp = 1;
return 0;
return CFOK;
}
else if (!strcasecmp(node->text, "false") || !strcasecmp(node->text, "no") || !strcasecmp(node->text, "off") || !strcasecmp(node->text, "0")) {
*booleanp = 0;
return 0;
return CFOK;
}
invalid_text(node, "expecting true|yes|on|1|false|no|off|0");
return 1;
return CFINVALID;
}
int opt_absolute_path(const char **pathp, const struct config_node *node)
int opt_absolute_path(char *str, size_t len, const struct config_node *node)
{
//DEBUGF("%s", __FUNCTION__);
//dump_config_node(node, 1);
unsupported_children(node);
if (!node->text)
return 1;
return CFMISSING;
if (node->text[0] != '/') {
invalid_text(node, "must start with '/'");
return 1;
return CFINVALID;
}
if (*pathp)
free((char *) *pathp); // TODO: this should be unnecessary
if ((*pathp = str_emalloc(node->text)) == NULL)
return -1;
return 0;
if (strlen(node->text) >= len) {
invalid_text(node, "string overflow");
return CFOVERFLOW;
}
strncpy(str, node->text, len);
assert(str[len - 1] == '\0');
return CFOK;
}
debugflags_t debugFlagMask(const char *flagname)
@ -377,17 +451,35 @@ int opt_debugflags(debugflags_t *flagsp, const struct config_node *node)
*flagsp = 0;
*flagsp &= ~clearmask;
*flagsp |= setmask;
return 0;
return CFOK;
}
int opt_protocol(const char **protocolp, const struct config_node *node)
int opt_protocol(char *str, size_t len, const struct config_node *node)
{
//DEBUGF("%s", __FUNCTION__);
//dump_config_node(node, 1);
unsupported_children(node);
if (!node->text)
return CFMISSING;
if (!str_is_uri_scheme(node->text)) {
invalid_text(node, "contains invalid character");
return CFINVALID;
}
if (strlen(node->text) >= len) {
invalid_text(node, "string overflow");
return CFOVERFLOW;
}
strncpy(str, node->text, len);
assert(str[len - 1] == '\0');
return CFOK;
}
int opt_rhizome_peer(struct config_rhizomepeer *rpeer, const struct config_node *node)
{
if (!node->text)
if (!node->text) {
dfl_config_rhizomepeer(rpeer);
return opt_config_rhizomepeer(rpeer, node);
}
spurious_children(node);
const char *protocol;
size_t protolen;
@ -397,10 +489,8 @@ int opt_rhizome_peer(struct config_rhizomepeer *rpeer, const struct config_node
if (!( str_uri_scheme(node->text, &protocol, &protolen)
&& str_uri_hierarchical(node->text, &hier, NULL)
&& str_uri_hierarchical_authority(hier, &auth, NULL))
) {
invalid_text(node, "malformed URL");
return -1;
}
)
goto invalid;
} else {
auth = node->text;
protocol = "http";
@ -408,36 +498,62 @@ int opt_rhizome_peer(struct config_rhizomepeer *rpeer, const struct config_node
}
const char *host;
size_t hostlen;
unsigned short port = 0;
unsigned short port = 4110;
if (!str_uri_authority_hostname(auth, &host, &hostlen))
return -1;
goto invalid;
str_uri_authority_port(auth, &port);
if (!(rpeer->protocol = strn_emalloc(protocol, protolen)))
return -1;
if (!(rpeer->host = str_emalloc(host))) {
free((char *) rpeer->protocol);
return -1;
if (protolen >= sizeof rpeer->protocol) {
invalid_text(node, "protocol string overflow");
return CFOVERFLOW;
}
if (hostlen >= sizeof rpeer->host) {
invalid_text(node, "hostname string overflow");
return CFOVERFLOW;
}
strncpy(rpeer->protocol, protocol, protolen)[protolen] = '\0';
strncpy(rpeer->host, host, hostlen)[hostlen] = '\0';
rpeer->port = port;
return 0;
return CFOK;
invalid:
invalid_text(node, "malformed URL");
return CFINVALID;
}
int opt_host(const char **hostp, const struct config_node *node)
int opt_str_nonempty(char *str, size_t len, const struct config_node *node)
{
//DEBUGF("%s", __FUNCTION__);
//dump_config_node(node, 1);
unsupported_children(node);
if (!node->text)
return 1;
return CFMISSING;
if (!node->text[0]) {
invalid_text(node, "empty host name");
return 1;
invalid_text(node, "empty string");
return CFINVALID;
}
if (*hostp)
free((char *) *hostp); // TODO: this should be unnecessary
if ((*hostp = str_emalloc(node->text)) == NULL)
return -1;
return 0;
if (strlen(node->text) >= len) {
invalid_text(node, "string overflow");
return CFOVERFLOW;
}
strncpy(str, node->text, len);
assert(str[len - 1] == '\0');
return CFOK;
}
int opt_uint64_scaled(uint64_t *intp, const struct config_node *node)
{
//DEBUGF("%s", __FUNCTION__);
//dump_config_node(node, 1);
unsupported_children(node);
if (!node->text)
return CFMISSING;
uint64_t result;
const char *end;
if (!str_to_uint64_scaled(node->text, 10, &result, &end)) {
invalid_text(node, "invalid scaled unsigned integer");
return CFINVALID;
}
*intp = result;
return CFOK;
}
int opt_port(unsigned short *portp, const struct config_node *node)
@ -446,7 +562,7 @@ int opt_port(unsigned short *portp, const struct config_node *node)
//dump_config_node(node, 1);
unsupported_children(node);
if (!node->text)
return 1;
return CFMISSING;
unsigned short port = 0;
const char *p;
for (p = node->text; isdigit(*p); ++p) {
@ -455,14 +571,217 @@ int opt_port(unsigned short *portp, const struct config_node *node)
if (port / 10 != oport)
break;
}
if (*p) {
if (*p || port == 0) {
invalid_text(node, "invalid port number");
return 1;
return CFINVALID;
}
*portp = port;
return 1;
return CFOK;
}
int opt_sid(sid_t *sidp, const struct config_node *node)
{
//DEBUGF("%s", __FUNCTION__);
//dump_config_node(node, 1);
unsupported_children(node);
if (!node->text)
return CFMISSING;
sid_t sid;
if (!str_is_subscriber_id(node->text)) {
invalid_text(node, "invalid subscriber ID");
return CFINVALID;
}
size_t n = fromhex(sidp->binary, node->text, SID_SIZE);
assert(n == SID_SIZE);
return CFOK;
}
int opt_interface_type(short *typep, const struct config_node *node)
{
//DEBUGF("%s", __FUNCTION__);
//dump_config_node(node, 1);
unsupported_children(node);
if (!node->text)
return CFMISSING;
if (strcasecmp(node->text, "ethernet") == 0) {
*typep = OVERLAY_INTERFACE_ETHERNET;
return CFOK;
}
if (strcasecmp(node->text, "wifi") == 0) {
*typep = OVERLAY_INTERFACE_WIFI;
return CFOK;
}
if (strcasecmp(node->text, "catear") == 0) {
*typep = OVERLAY_INTERFACE_PACKETRADIO;
return CFOK;
}
if (strcasecmp(node->text, "other") == 0) {
*typep = OVERLAY_INTERFACE_UNKNOWN;
return CFOK;
}
invalid_text(node, "invalid network interface type");
return CFINVALID;
}
int opt_pattern_list(struct pattern_list *listp, const struct config_node *node)
{
//DEBUGF("%s", __FUNCTION__);
//dump_config_node(node, 1);
unsupported_children(node);
if (!node->text)
return CFMISSING;
struct pattern_list list;
memset(&list, 0, sizeof list);
const char *word = NULL;
const char *p;
for (p = node->text; ; ++p) {
if (!*p || isspace(*p) || *p == ',') {
if (word) {
size_t len = p - word;
if (list.patc >= NELS(list.patv) || len >= sizeof(list.patv[list.patc])) {
invalid_text(node, "string overflow");
return CFOVERFLOW;
}
strncpy(list.patv[list.patc++], word, len)[len] = '\0';
word = NULL;
}
if (!*p)
break;
} else if (!word)
word = p;
}
assert(word == NULL);
*listp = list;
return CFOK;
}
int opt_interface_list(struct config_interface_list *listp, const struct config_node *node)
{
if (!node->text) {
dfl_config_interface_list(listp);
return opt_config_interface_list(listp, node);
}
spurious_children(node);
invalid_text(node, "NOT IMPLEMENTED");
return CFINVALID;
}
void missing_node(const struct config_node *parent, const char *key);
void unsupported_node(const struct config_node *node);
void unsupported_tree(const struct config_node *node);
void list_overflow(const struct config_node *node);
void list_omit_element(const struct config_node *node);
// Schema item flags.
#define __MANDATORY 1
// Schema flag symbols, to be used in the '__flags' macro arguments.
#define MANDATORY |__MANDATORY
// Generate default functions, dfl_config_SECTION()
#define SECTION(__sect) \
int dfl_config_##__sect(struct config_##__sect *s) {
#define ATOM(__type, __name, __default, __parser, __flags, __comment) \
s->__name = (__default);
#define STRING(__size, __name, __default, __parser, __flags, __comment) \
strncpy(s->__name, (__default), (__size))[(__size)] = '\0';
#define SUB(__sect, __name, __flags) \
dfl_config_##__sect(&s->__name);
#define SUBP(__sect, __name, __parser, __flags) \
dfl_config_##__sect(&s->__name);
#define SECTION_END \
return 0; \
}
#define LIST(__sect, __type, __size, __parser, __comment) \
int dfl_config_##__sect(struct config_##__sect *s) { \
s->listc = 0; \
return 0; \
}
#include "config_schema.h"
#undef SECTION
#undef ATOM
#undef STRING
#undef SUB
#undef SUBP
#undef SECTION_END
#undef LIST
// Generate parsing functions, opt_config_SECTION()
#define SECTION(__sect) \
int opt_config_##__sect(struct config_##__sect *s, const struct config_node *node) { \
if (node->text) unsupported_node(node); \
int result = CFOK; \
char used[node->nodc]; \
memset(used, 0, node->nodc);
#define __ITEM(__name, __flags, __parseexpr) \
{ \
int i = get_child(node, #__name); \
if (i != -1) { \
used[i] = 1; \
const struct config_node *child = node->nodv[i]; \
int ret = (__parseexpr); \
switch (ret) { \
case CFERROR: return CFERROR; \
case CFMISSING: i = -1; break; \
default: if (result < ret) result = ret; break; \
} \
} \
if (i == -1 && ((0 __flags) & __MANDATORY)) { \
missing_node(node, #__name); \
if (result < CFMISSING) result = CFMISSING; \
} \
}
#define ATOM(__type, __name, __default, __parser, __flags, __comment) \
__ITEM(__name, __flags, __parser(&s->__name, child))
#define STRING(__size, __name, __default, __parser, __flags, __comment) \
__ITEM(__name, __flags, __parser(s->__name, (__size) + 1, child))
#define SUB(__sect, __name, __flags) \
__ITEM(__name, __flags, opt_config_##__sect(&s->__name, child))
#define SUBP(__sect, __name, __parser, __flags) \
__ITEM(__name, __flags, __parser(&s->__name, child))
#define SECTION_END \
{ \
int i; \
for (i = 0; i < node->nodc; ++i) \
if (!used[i]) \
unsupported_tree(node->nodv[i]); \
} \
return result; \
}
#define LIST(__sect, __type, __size, __parser, __comment) \
int opt_config_##__sect(struct config_##__sect *s, const struct config_node *node) { \
if (node->text) unsupported_node(node); \
int result = CFOK; \
int i; \
for (i = 0; i < node->nodc && s->listc < NELS(s->listv); ++i) { \
const struct config_node *elt = node->nodv[i]; \
int ret = __parser(&s->listv[s->listc].value, elt); \
switch (ret) { \
case CFERROR: return CFERROR; \
case CFOK: \
strncpy(s->listv[s->listc].label, elt->key, sizeof s->listv[s->listc].label - 1)\
[sizeof s->listv[s->listc].label - 1] = '\0'; \
++s->listc; \
break; \
default: \
list_omit_element(elt); \
break; \
} \
} \
for (; i < node->nodc; ++i) { \
if (result < CFOVERFLOW) result = CFOVERFLOW; \
list_overflow(node->nodv[i]); \
} \
return result; \
}
#include "config_schema.h"
#undef SECTION
#undef ATOM
#undef STRING
#undef SUB
#undef SUBP
#undef SECTION_END
#undef LIST
int main(int argc, char **argv)
{
int i;
@ -487,19 +806,21 @@ int main(int argc, char **argv)
close(fd);
//dump_config_node(root, 0);
struct config_main config;
memset(&config, 0, sizeof config);
dfl_config_main(&config);
opt_config_main(&config, root);
free_config_node(root);
free(buf);
DEBUGF("config.log.file = %s", config.log.file ? alloca_str_toprint(config.log.file) : "NULL");
DEBUGF("config.log.file = %s", alloca_str(config.log.file));
DEBUGF("config.log.show_pid = %d", config.log.show_pid);
DEBUGF("config.log.show_time = %d", config.log.show_time);
DEBUGF("config.debug = %llx", (unsigned long long) config.debug);
DEBUGF("config.directory.service = %s", alloca_tohex(config.directory.service.binary, SID_SIZE));
int j;
for (j = 0; j < config.rhizome.direct.peer.listc; ++j) {
DEBUGF("config.rhizome.direct.peer.%s", config.rhizome.direct.peer.listv[j].label);
DEBUGF(" .protocol = %s", alloca_str_toprint(config.rhizome.direct.peer.listv[j].value.protocol));
DEBUGF(" .host = %s", alloca_str_toprint(config.rhizome.direct.peer.listv[j].value.host));
DEBUGF(" .protocol = %s", alloca_str(config.rhizome.direct.peer.listv[j].value.protocol));
DEBUGF(" .host = %s", alloca_str(config.rhizome.direct.peer.listv[j].value.host));
DEBUGF(" .port = %u", config.rhizome.direct.peer.listv[j].value.port);
}
}