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a2ba162c BA |
1 | #include "git-compat-util.h" |
2 | #include "protocol-caps.h" | |
3 | #include "gettext.h" | |
41771fa4 | 4 | #include "hex.h" |
a2ba162c BA |
5 | #include "pkt-line.h" |
6 | #include "strvec.h" | |
d1cbe1e6 | 7 | #include "hash-ll.h" |
1c028400 | 8 | #include "hex.h" |
a2ba162c | 9 | #include "object.h" |
a034e910 | 10 | #include "object-store-ll.h" |
a2ba162c BA |
11 | #include "string-list.h" |
12 | #include "strbuf.h" | |
13 | ||
14 | struct requested_info { | |
15 | unsigned size : 1; | |
16 | }; | |
17 | ||
18 | /* | |
19 | * Parses oids from the given line and collects them in the given | |
20 | * oid_str_list. Returns 1 if parsing was successful and 0 otherwise. | |
21 | */ | |
22 | static int parse_oid(const char *line, struct string_list *oid_str_list) | |
23 | { | |
24 | const char *arg; | |
25 | ||
26 | if (!skip_prefix(line, "oid ", &arg)) | |
27 | return 0; | |
28 | ||
29 | string_list_append(oid_str_list, arg); | |
30 | ||
31 | return 1; | |
32 | } | |
33 | ||
34 | /* | |
35 | * Validates and send requested info back to the client. Any errors detected | |
36 | * are returned as they are detected. | |
37 | */ | |
38 | static void send_info(struct repository *r, struct packet_writer *writer, | |
39 | struct string_list *oid_str_list, | |
40 | struct requested_info *info) | |
41 | { | |
42 | struct string_list_item *item; | |
43 | struct strbuf send_buffer = STRBUF_INIT; | |
44 | ||
45 | if (!oid_str_list->nr) | |
46 | return; | |
47 | ||
48 | if (info->size) | |
49 | packet_writer_write(writer, "size"); | |
50 | ||
51 | for_each_string_list_item (item, oid_str_list) { | |
52 | const char *oid_str = item->string; | |
53 | struct object_id oid; | |
54 | unsigned long object_size; | |
55 | ||
56 | if (get_oid_hex(oid_str, &oid) < 0) { | |
57 | packet_writer_error( | |
58 | writer, | |
59 | "object-info: protocol error, expected to get oid, not '%s'", | |
60 | oid_str); | |
61 | continue; | |
62 | } | |
63 | ||
64 | strbuf_addstr(&send_buffer, oid_str); | |
65 | ||
66 | if (info->size) { | |
67 | if (oid_object_info(r, &oid, &object_size) < 0) { | |
68 | strbuf_addstr(&send_buffer, " "); | |
69 | } else { | |
70 | strbuf_addf(&send_buffer, " %lu", object_size); | |
71 | } | |
72 | } | |
73 | ||
88682b01 ÆAB |
74 | packet_writer_write(writer, "%s", send_buffer.buf); |
75 | strbuf_reset(&send_buffer); | |
a2ba162c | 76 | } |
88682b01 | 77 | strbuf_release(&send_buffer); |
a2ba162c BA |
78 | } |
79 | ||
28a592e4 | 80 | int cap_object_info(struct repository *r, struct packet_reader *request) |
a2ba162c | 81 | { |
dc12ee77 | 82 | struct requested_info info = { 0 }; |
a2ba162c BA |
83 | struct packet_writer writer; |
84 | struct string_list oid_str_list = STRING_LIST_INIT_DUP; | |
85 | ||
86 | packet_writer_init(&writer, 1); | |
87 | ||
88 | while (packet_reader_read(request) == PACKET_READ_NORMAL) { | |
89 | if (!strcmp("size", request->line)) { | |
90 | info.size = 1; | |
91 | continue; | |
92 | } | |
93 | ||
94 | if (parse_oid(request->line, &oid_str_list)) | |
95 | continue; | |
96 | ||
97 | packet_writer_error(&writer, | |
98 | "object-info: unexpected line: '%s'", | |
99 | request->line); | |
100 | } | |
101 | ||
102 | if (request->status != PACKET_READ_FLUSH) { | |
103 | packet_writer_error( | |
104 | &writer, "object-info: expected flush after arguments"); | |
105 | die(_("object-info: expected flush after arguments")); | |
106 | } | |
107 | ||
108 | send_info(r, &writer, &oid_str_list, &info); | |
109 | ||
110 | string_list_clear(&oid_str_list, 1); | |
111 | ||
112 | packet_flush(1); | |
113 | ||
114 | return 0; | |
115 | } |