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index support, closes ticket #1

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This commit is contained in:
Ron Pedde 2006-03-24 19:23:47 +00:00
parent 0d4882ae8e
commit 1cca7d3a53
2 changed files with 45 additions and 9 deletions
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5
src/db-sql.c
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@ -1125,7 +1125,7 @@ int db_sql_enum_start(char **pe, DBQUERYINFO *pinfo) {
/* Apply any index */
switch(pinfo->index_type) {
case indexTypeFirst:
sprintf(scratch," limit %d",pinfo->index_high);
sprintf(scratch," limit %d",pinfo->index_low);
break;
case indexTypeLast:
if(pinfo->index_low >= results) {
@ -1135,7 +1135,8 @@ int db_sql_enum_start(char **pe, DBQUERYINFO *pinfo) {
}
break;
case indexTypeSub:
sprintf(scratch," limit %d offset %d",pinfo->index_high - pinfo->index_low,
sprintf(scratch," limit %d offset %d",
pinfo->index_high - pinfo->index_low + 1,
pinfo->index_low);
break;
case indexTypeNone:

45
src/dispatch.c
View File

@ -159,7 +159,8 @@ int daap_auth(char *username, char *password) {
void daap_handler(WS_CONNINFO *pwsc) {
DBQUERYINFO *pqi;
char *token, *string, *save;
char *query;
char *query, *index, *ptr;
int l,h;
pqi=(DBQUERYINFO*)malloc(sizeof(DBQUERYINFO));
if(!pqi) {
@ -184,6 +185,42 @@ void daap_handler(WS_CONNINFO *pwsc) {
DPRINTF(E_DBG,L_DAAP,"Parsed query successfully\n");
}
/* set up the index stuff -- this will be in the format
* index = l, index=l-h, index=l- or index=-h
*/
pqi->index_type=indexTypeNone;
index=ws_getvar(pwsc,"index");
if(index) {
DPRINTF(E_DBG,L_DAAP,"Indexed query: %s\n",index);
/* we have some kind of index string... */
l=strtol(index,&ptr,10);
if(l<0) { /* "-h"... tail range, last "h" entries */
pqi->index_type = indexTypeLast;
pqi->index_low = l * -1;
DPRINTF(E_DBG,L_DAAP,"Index type last %d\n",l);
} else if(*ptr == '\0') { /* single item */
pqi->index_type = indexTypeSub;
pqi->index_low = l;
pqi->index_high = l;
DPRINTF(E_DBG,L_DAAP,"Index type single item %d\n",l);
} else if(*ptr == '-') {
pqi->index_type = indexTypeSub;
pqi->index_low = l;
if(*++ptr == '\0') { /* l- */
/* we don't handle this */
DPRINTF(E_LOG,L_DAAP,"unhandled index: %s\n",index);
pqi->index_high = 999999;
} else {
h = strtol(ptr, &ptr, 10);
pqi->index_high=h;
}
DPRINTF(E_DBG,L_DAAP,"Index type range %d-%d\n",l,h);
}
}
/* Add some default headers */
ws_addresponseheader(pwsc,"Accept-Ranges","bytes");
@ -1123,7 +1160,6 @@ void dispatch_playlistitems(WS_CONNINFO *pwsc, DBQUERYINFO *pqi) {
}
pqi->query_type = queryTypePlaylistItems;
pqi->index_type=indexTypeNone;
/* FIXME: Error handling */
if(db_enum_start(NULL,pqi)) {
@ -1190,7 +1226,6 @@ void dispatch_browse(WS_CONNINFO *pwsc, DBQUERYINFO *pqi) {
return;
}
pqi->index_type = indexTypeNone;
if(db_enum_start(NULL,pqi)) {
DPRINTF(E_LOG,L_DAAP|L_BROW,"Could not start enum\n");
@ -1250,7 +1285,7 @@ void dispatch_playlists(WS_CONNINFO *pwsc, DBQUERYINFO *pqi) {
pqi->query_type = queryTypePlaylists;
pqi->index_type = indexTypeNone;
if(db_enum_start(NULL,pqi)) {
DPRINTF(E_LOG,L_DAAP,"Could not start enum\n");
ws_returnerror(pwsc,500,"Internal server error: out of memory!\n");
@ -1303,7 +1338,7 @@ void dispatch_items(WS_CONNINFO *pwsc, DBQUERYINFO *pqi) {
}
pqi->query_type = queryTypeItems;
pqi->index_type=indexTypeNone;
if(db_enum_start(NULL,pqi)) {
DPRINTF(E_LOG,L_DAAP,"Could not start enum\n");
ws_returnerror(pwsc,500,"Internal server error: out of memory!");