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https://github.com/servalproject/serval-dna.git
synced 2024-12-24 07:16:43 +00:00
Fix HTTP /restful/rhizome/bundlelist.json
Write test case assertions using jq(1) utility, increase from four bundles to 100. Fix bugs in HTTP server content generation logic. Make payload content generator read payload 4KiB at a time, to always read on filesystem block boundaries for performance. Increase size of payload in relevant test case.
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@ -1656,6 +1656,8 @@ static void http_request_send_response(struct http_request *r)
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assert(r->response_buffer_sent <= r->response_buffer_length);
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uint64_t remaining = CONTENT_LENGTH_UNKNOWN;
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size_t unsent = r->response_buffer_length - r->response_buffer_sent;
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if (r->debug_flag && *r->debug_flag)
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DEBUGF("HTTP response buffer contains %zu bytes unsent", unsent);
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if (r->response_length != CONTENT_LENGTH_UNKNOWN) {
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remaining = r->response_length - r->response_sent;
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assert(unsent <= remaining);
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@ -1703,17 +1705,17 @@ static void http_request_send_response(struct http_request *r)
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return;
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}
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if (result.generated == 0 && result.need <= unfilled) {
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WHYF("HTTP response generator produced no content at offset %"PRIhttp_size_t, r->response_sent);
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WHYF("HTTP response generator produced no content at offset %"PRIhttp_size_t" (ret=%d)", r->response_sent, ret);
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http_request_finalise(r);
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return;
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}
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if (r->debug_flag && *r->debug_flag)
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DEBUGF("Generated HTTP %zu bytes of content, need %zu bytes of buffer", result.generated, result.need);
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DEBUGF("Generated HTTP %zu bytes of content, need %zu bytes of buffer (ret=%d)", result.generated, result.need, ret);
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assert(result.generated <= unfilled);
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r->response_buffer_length += result.generated;
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r->response_buffer_need = result.need;
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if (ret == 0)
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r->response.content_generator = NULL;
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r->response.content_generator = NULL; // ensure we never invoke again
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continue;
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}
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} else if (remaining != CONTENT_LENGTH_UNKNOWN && unsent < remaining) {
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@ -387,9 +387,8 @@ static int restful_rhizome_bundlelist_json_content_chunk(sqlite_retry_state *ret
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strbuf_json_string(b, headers[i]);
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}
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strbuf_puts(b, "]");
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if (strbuf_overrun(b))
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return 0;
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r->u.list.phase = LIST_BODY;
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if (!strbuf_overrun(b))
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r->u.list.phase = LIST_BODY;
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return 1;
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case LIST_BODY:
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{
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@ -442,10 +441,10 @@ static int restful_rhizome_bundlelist_json_content_chunk(sqlite_retry_state *ret
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strbuf_putc(b, ',');
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strbuf_json_string(b, m->name);
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strbuf_puts(b, "]");
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if (strbuf_overrun(b))
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return 0;
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rhizome_list_commit(&r->u.list.cursor);
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++r->u.list.rowcount;
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if (!strbuf_overrun(b)) {
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rhizome_list_commit(&r->u.list.cursor);
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++r->u.list.rowcount;
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}
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return 1;
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}
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case LIST_DONE:
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@ -465,6 +464,8 @@ static int restful_rhizome_bundlelist_json_content(struct http_request *hr, unsi
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strbuf b = strbuf_local((char *)buf, bufsz);
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while ((ret = restful_rhizome_bundlelist_json_content_chunk(&retry, r, b)) != -1) {
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if (strbuf_overrun(b)) {
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if (config.debug.rhizome)
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DEBUGF("overrun by %zu bytes", strbuf_count(b) - strbuf_len(b));
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result->need = strbuf_count(b) + 1 - result->generated;
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break;
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}
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@ -544,20 +545,27 @@ static int rhizome_status_page(rhizome_http_request *r, const char *remainder)
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static int rhizome_file_content(struct http_request *hr, unsigned char *buf, size_t bufsz, struct http_content_generator_result *result)
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{
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// Only read multiples of 4k from disk.
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const size_t blocksz = 1 << 12;
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// Ask for a large buffer for all future reads.
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const size_t preferred_bufsz = 16 * blocksz;
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// Reads the next part of the payload into the supplied buffer.
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rhizome_http_request *r = (rhizome_http_request *) hr;
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assert(r->u.read_state.offset < r->u.read_state.length);
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size_t readlen = r->u.read_state.length - r->u.read_state.offset;
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if (readlen > bufsz)
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readlen = bufsz;
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ssize_t n = rhizome_read(&r->u.read_state, buf, readlen);
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if (n == -1)
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return -1;
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result->generated = (size_t) n;
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// Ask for a large buffer for all future reads.
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const size_t preferred_bufsz = 64 * 1024;
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assert(r->u.read_state.offset < r->u.read_state.length);
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size_t remain = r->u.read_state.length - r->u.read_state.offset;
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uint64_t remain = r->u.read_state.length - r->u.read_state.offset;
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size_t readlen = bufsz;
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if (remain < bufsz)
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readlen = remain;
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else
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readlen &= ~(blocksz - 1);
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if (readlen > 0) {
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ssize_t n = rhizome_read(&r->u.read_state, buf, readlen);
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if (n == -1)
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return -1;
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result->generated = (size_t) n;
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}
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assert(r->u.read_state.offset <= r->u.read_state.length);
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remain = r->u.read_state.length - r->u.read_state.offset;
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result->need = remain < preferred_bufsz ? remain : preferred_bufsz;
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return remain ? 1 : 0;
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}
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@ -306,6 +306,18 @@ extract_stdout_BK() {
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extract_stdout_keyvalue "$1" BK "$rexp_bundlekey"
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}
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extract_stdout_date() {
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extract_stdout_keyvalue "$1" date "$rexp_date"
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}
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extract_stdout_filesize() {
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extract_stdout_keyvalue "$1" filesize "$rexp_filesize"
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}
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extract_stdout_filehash() {
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extract_stdout_keyvalue "$1" filehash "$rexp_filehash"
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}
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extract_manifest() {
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local _var="$1"
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local _manifestfile="$2"
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@ -346,6 +358,10 @@ extract_manifest_version() {
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extract_manifest "$1" "$2" version "$rexp_version"
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}
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extract_manifest_date() {
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extract_manifest "$1" "$2" date "$rexp_date"
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}
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extract_manifest_crypt() {
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extract_manifest "$1" "$2" crypt "$rexp_crypt"
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}
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@ -99,20 +99,89 @@ teardown_AuthBasicWrong() {
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teardown
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}
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doc_RhizomeList="Fetch full Rhizome bundle list in JSON format"
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doc_RhizomeList="Fetch small Rhizome bundle list in JSON format"
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setup_RhizomeList() {
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for n in 1 2 3 4; do
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create_file file$n ${n}k
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setup
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NBUNDLES=100
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for ((n = 0; n != NBUNDLES; ++n)); do
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create_file file$n $((1000 + $n))
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executeOk_servald rhizome add file $SIDA file$n file$n.manifest
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extract_stdout_manifestid BID[$n]
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extract_stdout_version VERSION[$n]
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extract_stdout_filesize SIZE[$n]
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extract_stdout_filehash HASH[$n]
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extract_stdout_date DATE[$n]
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done
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}
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test_RhizomeList() {
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executeOk curl \
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--silent --fail --show-error \
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--output http.output \
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--output bundlelist.json \
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--dump-header http.headers \
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--basic --user harry:potter \
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"http://$addr_localhost:$PORTA/restful/rhizome/bundlelist.json"
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tfw_cat http.headers bundlelist.json
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tfw_preserve bundlelist.json
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assert [ "$(jq 'length' bundlelist.json)" = $((NBUNDLES+1)) ]
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# The following jq(1) incantation transforms the JSON array in
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# bundlelist.json from the following form (which is optimised for
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# transmission size):
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# [
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# [ "_id", "service", "id", "version","date",".inserttime",
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# ".author",".fromhere","filesize","filehash","sender","recipient",
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# "name"
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# ],
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# [ rowid1, "service1", bundleid1, version1, .... ],
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# [ rowid2, "service2", bundleid2, version2, .... ],
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# ...
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# [ rowidN, "serviceN", bundleidN, versionN, .... ]
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# ]
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#
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# into an array of JSON objects:
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# [
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# {
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# "_id": rowid1,
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# "service": service1,
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# "id": bundleid1,
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# "version": version1,
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# ...
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# },
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# {
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# "_id": rowid2,
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# "service": service2,
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# "id": bundleid2,
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# "version": version2,
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# ...
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# },
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# ...
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#
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# {
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# "_id": rowidN,
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# "service": serviceN,
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# "id": bundleidN,
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# "version": versionN,
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# ...
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# }
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# ]
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# which is much easier to test with jq(1) expressions.
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jq '[ .[0] as $h | .[1:][] as $d | [ $d | keys | .[] as $i | {key:$h[$i], value:$d[$i]} ] | from_entries ]' \
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bundlelist.json >array_of_objects.json
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#tfw_cat array_of_objects.json
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for ((n = 0; n != NBUNDLES; ++n)); do
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jqscript="contains([
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{ name:\"file$n\",
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service:\"file\",
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id:\"${BID[$n]}\",
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version:${VERSION[$n]},
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filesize:${SIZE[$n]},
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filehash:\"${HASH[$n]}\",
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date:${DATE[$n]},
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\".fromhere\":1,
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\".author\":\"$SIDA\",
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}
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])"
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assert [ "$(jq "$jqscript" array_of_objects.json)" = true ]
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done
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}
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doc_RhizomeListSince="Fetch Rhizome bundle list since token in JSON format"
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@ -75,7 +75,7 @@ doc_FileTransfer="New bundle and update transfer to one node"
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setup_FileTransfer() {
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setup_common
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set_instance +A
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rhizome_add_file file1 2048
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rhizome_add_file file1 250000
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start_servald_instances +A +B
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foreach_instance +A assert_peers_are_instances +B
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foreach_instance +B assert_peers_are_instances +A
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