nserver/ -> ./

1 files changed, 0 insertions, 310 deletions

diff --git a/nserver/src/protocol.c b/nserver/src/protocol.c
deleted file mode 100644
index 77b806a..0000000
--- a/nserver/src/protocol.c
+++ /dev/null
@@ -1,310 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause */
-/*
- * Copyright © 2020 rsiddharth <s@ricketyspace.net>
- */
-
-#include <protocol.h>
-
-static TSTree *tst;
-
-int sscreate(char *key)
-{
-    check(key != NULL || strlen(key) < 1, "key invalid");
-
-    // 1. Check if key is already in the tree.
-    Record *rec = (Record *) TSTree_search(tst, key, strlen(key));
-
-    // If it's already there; there's nothing to do.
-    if (rec != NULL && rec->deleted == 0) {
-        return 1;
-    }
-    // If it's already there and deleted, undelete it.
-    if (rec != NULL && rec->deleted == 1) {
-        rec->deleted = 0;
-
-        // Allocate fresh Stats.
-        rec->st = Stats_create();
-        check(rec->st != NULL, "stats creation failed");
-
-        return 2;
-    }
-
-    // 2. Create bstring from 'key'.
-    bstring k = bfromcstr(key);
-    check(k != NULL, "key creation failed");
-
-    // 3. Allocate fresh Stats.
-    Stats *st = Stats_create();
-    check(st != NULL, "stats creation failed");
-
-    // 4. Create Record.
-    rec = (Record *) calloc(1, sizeof(Record));
-    check_mem(rec);
-
-    // 5. Initialize Record.
-    rec->key = k;
-    rec->st = st;
-    rec->deleted = 0;
-
-    // 6. Add Record to tree.
-    tst = TSTree_insert(tst, key, strlen(key), rec);
-    check(tst != NULL, "tstree insert failed");
-
-    return 0;
- error:
-    return -1;
-}
-
-int ssdelete(char *key)
-{
-   check(key != NULL || strlen(key) < 1, "key invalid");
-   check(tst != NULL, "tstree not initialized");
-
-   Record *rec = (Record *) TSTree_search(tst, key, strlen(key));
-   if (rec == NULL) {
-       // key does not exists.
-       return 0;
-   }
-
-   // Mark as deleted.
-   rec->deleted = 1;
-
-   // Free Stats.
-   free(rec->st);
-
-   return 0;
- error:
-   return -1;
-}
-
-int sssample_parent(char *key, double s)
-{
-    check(key != NULL || strlen(key) < 1, "key invalid");
-    check(tst != NULL, "tstree not initialized");
-
-    // 1. Try to get Record with key prefix.
-    Record *rec = (Record *) TSTree_search_prefix(tst, key, strlen(key));
-
-    if (rec == NULL) {
-        // No record with key prefix.
-        return 0;
-    }
-    check(rec->st != NULL, "record's st invalid");
-
-    if (rec->deleted == 1) {
-        // Record was deleted; nop.
-        return 0;
-    }
-
-    // 2. Sample!
-    Stats_sample(rec->st, s);
-
-    return 1;
- error:
-    return -1;
-}
-
-double sssample(char *key, double s)
-{
-    check(key != NULL || strlen(key) < 1, "key invalid");
-    check(tst != NULL, "tstree not initialized");
-
-    // 1. Try to get Record for key.
-    Record *rec = (Record *) TSTree_search(tst, key, strlen(key));
-
-    check(rec != NULL, "record not found");
-    check(rec->st != NULL, "record's st invalid");
-    check(rec->deleted != 1, "record was deleted");
-
-    // 2. Sample!
-    Stats_sample(rec->st, s);
-
-    // 3. Sample parent!
-    int rc = sssample_parent(key, s);
-    check(rc >= 0, "sampling parent failed");
-
-    // 4. Get mean.
-    double m = Stats_mean(rec->st);
-
-    return m;
- error:
-    return -1;
-}
-
-double ssmean(char *key)
-{
-    check(key != NULL || strlen(key) < 1, "key invalid");
-    check(tst != NULL, "tstree not initialized");
-
-    // 1. Try to get Record for key.
-    Record *rec = (Record *) TSTree_search(tst, key, strlen(key));
-
-    check(rec != NULL, "record not found");
-    check(rec->deleted != 1, "record was deleted");
-    check(rec->st != NULL, "record's st invalid");
-
-    // 2. Get mean.
-    double m = Stats_mean(rec->st);
-
-    return m;
- error:
-    return -1;
-}
-
-char *ssdump(char *key)
-{
-    check(key != NULL && strlen(key) > 0, "key invalid");
-    check(tst != NULL, "tstree not initialized");
-
-    // 1. create bstring from 'key'.
-    Record *rec = (Record *) TSTree_search(tst, key, strlen(key));
-
-    check(rec != NULL, "record not found");
-    check(rec->st != NULL, "stats not found for key");
-    check(rec->deleted != 1, "record was deleted");
-
-    // 2. get dump.
-    char *dstr = Stats_dump(rec->st);
-    check(dstr != NULL, "dump failed for key");
-
-    return dstr;
- error:
-    return NULL;
-}
-
-// meant to be used by sslist.
-void traverse_tree(void *value, void *data)
-{
-    Record *rec  = (Record *) value;
-    bstring bstr = (bstring) data;
-
-    check(rec != NULL, "Record is NULL");
-    check(rec->deleted != 1, "Record was deleted");
-    check(bstr != NULL, "bstr is NULL");
-    check(rec->key != NULL, "Record's key is NULL");
-    check(blength(rec->key) > 0, "Record's key is an empty string");
-
-    int rc = bconcat(bstr, rec->key);
-    check(rc == BSTR_OK, "bstr key concat failed");
-
-    rc = bconchar(bstr, '\n');
-    check(rc == BSTR_OK, "bstr newline concat failed");
-
- error:
-    return;
-}
-
-
-char *sslist()
-{
-    char *list = NULL, *tmp = NULL;
-
-    if (tst == NULL) {
-        list = (char *) calloc(7 + 1, sizeof(char));
-        check_mem(list);
-
-        list = strncpy(list, "EMPTY\n\r", 7);
-
-        return list;
-    }
-
-    // 1. Create "accumulator" string.
-    bstring ks_str = bfromcstr("");
-    check(ks_str != NULL, "error creating keys_str");
-
-    // 2. Accumulate keys into "accumulator" string.
-    TSTree_traverse(tst, traverse_tree, ks_str);
-
-    // 3. Make result.
-    tmp = bstr2cstr(ks_str, ' ');
-
-    list = (char *) calloc(strlen(tmp) + 1, sizeof(char));
-    check_mem(list);
-
-    list = strncpy(list, tmp, strlen(tmp));
-
-    // 4. Clean up.
-    bcstrfree(tmp);
-
-    // 3. Return result.
-    return list;
- error:
-    if (tmp) {
-        bcstrfree(tmp);
-    }
-    return NULL;
-}
-
-int ssstore(char *key)
-{
-    check(key != NULL && strlen(key) > 0, "key invalid");
-    check(tst != NULL, "tstree not initialized");
-
-    // 1. create bstring from 'key'.
-    Record *rec = (Record *) TSTree_search(tst, key, strlen(key));
-
-    check(rec != NULL, "record not found");
-    check(rec->st != NULL, "stats not found for key");
-    check(rec->deleted != 1, "record was deleted");
-
-    // 2. stringify the stats.
-    char *st_str = Stats_stringify(rec->st);
-    check(st_str != NULL, "stats stringify failed");
-
-    // 3. store stats in db.
-    int rc = db_store(key, st_str);
-    check(rc == 0, "db store failed");
-
-    return 0;
- error:
-    return -1;
-}
-
-int ssload(char *from, char *to)
-{
-    check(from != NULL && strlen(from) > 0, "from invalid");
-    check(to != NULL && strlen(to) > 0, "to invalid");
-    check(tst != NULL, "tstree not initialized");
-
-    // 1. Check if 'to' key already exists.
-    Record *rec = (Record *) TSTree_search(tst, to, strlen(to));
-
-    // 2. if 'to' key exists return immediately with -2.
-    if (rec != NULL && rec->deleted == 0) {
-        return -2;
-    }
-
-    // 3. read 'from' key from database.
-    char *st_str = db_load(from);
-    check(st_str != NULL, "db load failed");
-
-    // 4. construct stats from string.
-    Stats *st = Stats_unstringify(st_str);
-    check(st != NULL, "stats unstringify failed");
-
-    // 5. create Record if needed.
-    int rec_created =  0;
-    if (rec == NULL)  {
-        rec = (Record *) calloc(1, sizeof(Record));
-        check_mem(rec);
-        rec_created = 1;
-    }
-
-    // 6. get things ready for insertiion
-    bstring tk = bfromcstr(to);
-    check(tk != NULL, "key creation failed");
-
-    rec->key = tk;
-    rec->st = st;
-    rec->deleted = 0;
-
-    // 7. insert Record into 'to' key in the TSTree if needed.
-    if (rec_created == 1) {
-        tst = TSTree_insert(tst, to, strlen(to), rec);
-        check(tst != NULL, "tstree insert failed");
-    }
-
-    return 0;
- error:
-    return -1;
-}