------------------------------------------------------------------------- RecMessageMarshal_Realloc -------------------------------------------------------------------------
| 70 | // RecMessageMarshal_Realloc |
| 71 | //------------------------------------------------------------------------- |
| 72 | RecMessage * |
| 73 | RecMessageMarshal_Realloc(RecMessage *msg, const RecRecord *record) |
| 74 | { |
| 75 | int msg_ele_size; |
| 76 | int rec_name_len = -1; |
| 77 | int rec_data_str_len = -1; |
| 78 | int rec_data_def_str_len = -1; |
| 79 | int rec_cfg_chk_len = -1; |
| 80 | RecMessageEleHdr *ele_hdr; |
| 81 | RecRecord *r; |
| 82 | char *p; |
| 83 | |
| 84 | // find out how much space we need |
| 85 | msg_ele_size = sizeof(RecMessageEleHdr) + sizeof(RecRecord); |
| 86 | if (record->name) { |
| 87 | rec_name_len = strlen(record->name) + 1; |
| 88 | msg_ele_size += rec_name_len; |
| 89 | } |
| 90 | if (record->data_type == RECD_STRING) { |
| 91 | if (record->data.rec_string) { |
| 92 | rec_data_str_len = strlen(record->data.rec_string) + 1; |
| 93 | msg_ele_size += rec_data_str_len; |
| 94 | } |
| 95 | if (record->data_default.rec_string) { |
| 96 | rec_data_def_str_len = strlen(record->data_default.rec_string) + 1; |
| 97 | msg_ele_size += rec_data_def_str_len; |
| 98 | } |
| 99 | } |
| 100 | if (REC_TYPE_IS_CONFIG(record->rec_type) && (record->config_meta.check_expr)) { |
| 101 | rec_cfg_chk_len = strlen(record->config_meta.check_expr) + 1; |
| 102 | msg_ele_size += rec_cfg_chk_len; |
| 103 | } |
| 104 | // XXX: this is NOT 8 byte alignment |
| 105 | // msg_ele_size = 5; |
| 106 | // (msg_ele_size + 7) & ~7 == 5 !!! |
| 107 | // msg_ele_size = (msg_ele_size + 7) & ~7; // 8 byte alignment |
| 108 | |
| 109 | msg_ele_size = INK_ALIGN_DEFAULT(msg_ele_size); // 8 byte alignment |
| 110 | // get some space in our buffer |
| 111 | while (msg->o_end - msg->o_write < msg_ele_size) { |
| 112 | int realloc_size = (msg->o_end - msg->o_start) * 2; |
| 113 | msg = static_cast<RecMessage *>(ats_realloc(msg, sizeof(RecMessageHdr) + realloc_size)); |
| 114 | msg->o_end = msg->o_start + realloc_size; |
| 115 | } |
| 116 | ele_hdr = reinterpret_cast<RecMessageEleHdr *>(reinterpret_cast<char *>(msg) + msg->o_write); |
| 117 | // The following memset() is pretty CPU intensive, replacing it with something |
| 118 | // like the below would reduce CPU usage a fair amount. /leif. |
| 119 | // *((char*)msg + msg->o_write) = 0; |
| 120 | memset(reinterpret_cast<char *>(msg) + msg->o_write, 0, msg->o_end - msg->o_write); |
| 121 | msg->o_write += msg_ele_size; |
| 122 | |
| 123 | // store the record |
| 124 | ele_hdr->magic = REC_MESSAGE_ELE_MAGIC; |
| 125 | ele_hdr->o_next = msg->o_write; |
| 126 | p = reinterpret_cast<char *>(ele_hdr) + sizeof(RecMessageEleHdr); |
| 127 | memcpy(p, record, sizeof(RecRecord)); |
| 128 | r = reinterpret_cast<RecRecord *>(p); |
| 129 | p += sizeof(RecRecord); |
no test coverage detected