aniani/icecast-common
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mp3 metadata complete. Still untested.

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svn path=/trunk/httpp/; revision=4191
This commit is contained in:
Michael Smith 2002-12-31 06:28:39 +00:00
parent 9c11962154
commit 7d17253c50
2 changed files with 145 additions and 2 deletions
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144
httpp/httpp.c
View File

@ -40,6 +40,7 @@ void httpp_initialize(http_parser_t *parser, http_varlist_t *defaults)
parser->req_type = httpp_req_none;
parser->uri = NULL;
parser->vars = avl_tree_new(_compare_vars, NULL);
parser->queryvars = avl_tree_new(_compare_vars, NULL);
/* now insert the default variables */
list = defaults;
@ -178,6 +179,100 @@ int httpp_parse_response(http_parser_t *parser, char *http_data, unsigned long l
return 1;
}
static int hex(char c)
{
if(c >= '0' && c <= '9')
return c - '0';
else if(c >= 'A' && c <= 'F')
return c - 'A' + 10;
else if(c >= 'a' && c <= 'f')
return c - 'a' + 10;
else
return -1;
}
static char *url_escape(char *src)
{
int len = strlen(src);
unsigned char *decoded;
int i;
char *dst;
int done = 0;
decoded = calloc(1, len + 1);
dst = decoded;
for(i=0; i < len; i++) {
switch(src[i]) {
case '%':
if(i+2 >= len) {
free(decoded);
return NULL;
}
if(hex(src[i+1]) == -1 || hex(src[i+2]) == -1 ) {
free(decoded);
return NULL;
}
*dst++ = hex(src[i+1]) * 16 + hex(src[i+2]);
i+= 2;
break;
case '#':
done = 1;
break;
case 0:
free(decoded);
return NULL;
break;
default:
*dst++ = src[i];
break;
}
if(done)
break;
}
*dst = 0; /* null terminator */
return decoded;
}
/** TODO: This is almost certainly buggy in some cases */
static void parse_query(http_parser_t *parser, char *query)
{
int len;
int i=0;
char *key = query;
char *val=NULL;
if(!query || !*query)
return;
len = strlen(query);
while(i<len) {
switch(query[i]) {
case '&':
query[i] = 0;
if(val && key) {
httpp_set_query_param(parser, key, val);
}
key = query+i+1;
break;
case '=':
query[i] = 0;
val = query+i+1;
break;
}
i++;
}
if(val && key) {
httpp_set_query_param(parser, key, val);
}
}
int httpp_parse(http_parser_t *parser, char *http_data, unsigned long len)
{
char *data, *tmp;
@ -247,8 +342,17 @@ int httpp_parse(http_parser_t *parser, char *http_data, unsigned long len)
parser->req_type = httpp_req_unknown;
}
if (uri != NULL && strlen(uri) > 0)
if (uri != NULL && strlen(uri) > 0)
{
char *query;
if((query = strchr(uri, '?')) != NULL) {
*query = 0;
query++;
parse_query(parser, query);
}
parser->uri = strdup(uri);
}
else
parser->uri = NULL;
@ -335,7 +439,7 @@ char *httpp_getvar(http_parser_t *parser, char *name)
http_var_t *found;
var.name = name;
var.value = NULL;
var.value = NULL;
if (avl_get_by_key(parser->vars, (void *)&var, (void **)&found) == 0)
return found->value;
@ -343,6 +447,41 @@ char *httpp_getvar(http_parser_t *parser, char *name)
return NULL;
}
void httpp_set_query_param(http_parser_t *parser, char *name, char *value)
{
http_var_t *var;
if (name == NULL || value == NULL)
return;
var = (http_var_t *)malloc(sizeof(http_var_t));
if (var == NULL) return;
var->name = strdup(name);
var->value = url_escape(value);
if (httpp_get_query_param(parser, name) == NULL) {
avl_insert(parser->queryvars, (void *)var);
} else {
avl_delete(parser->queryvars, (void *)var, _free_vars);
avl_insert(parser->queryvars, (void *)var);
}
}
char *httpp_get_query_param(http_parser_t *parser, char *name)
{
http_var_t var;
http_var_t *found;
var.name = name;
var.value = NULL;
if (avl_get_by_key(parser->queryvars, (void *)&var, (void **)&found) == 0)
return found->value;
else
return NULL;
}
void httpp_clear(http_parser_t *parser)
{
parser->req_type = httpp_req_none;
@ -350,6 +489,7 @@ void httpp_clear(http_parser_t *parser)
free(parser->uri);
parser->uri = NULL;
avl_tree_free(parser->vars, _free_vars);
avl_tree_free(parser->queryvars, _free_vars);
parser->vars = NULL;
}

3
httpp/httpp.h
View File

@ -33,6 +33,7 @@ typedef struct http_parser_tag {
httpp_request_type_e req_type;
char *uri;
avl_tree *vars;
avl_tree *queryvars;
} http_parser_t;
http_parser_t *httpp_create_parser(void);
@ -41,6 +42,8 @@ int httpp_parse(http_parser_t *parser, char *http_data, unsigned long len);
int httpp_parse_response(http_parser_t *parser, char *http_data, unsigned long len, char *uri);
void httpp_setvar(http_parser_t *parser, char *name, char *value);
char *httpp_getvar(http_parser_t *parser, char *name);
void httpp_set_query_param(http_parser_t *parser, char *name, char *value);
char *httpp_get_query_param(http_parser_t *parser, char *name);
void httpp_destroy(http_parser_t *parser);
void httpp_clear(http_parser_t *parser);