[sr-dev] git:master:c82aa6e9: core: helper functions to convert ip to string using a pool of buffers

Module: kamailio Branch: master Commit: c82aa6e92d3475bb56db761ba65abb64e8f712fd URL: https://github.com/kamailio/kamailio/commit/c82aa6e92d3475bb56db761ba65abb6… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2024-11-25T10:16:07+01:00 core: helper functions to convert ip to string using a pool of buffers --- Modified: src/core/ip_addr.c Modified: src/core/ip_addr.h --- Diff: https://github.com/kamailio/kamailio/commit/c82aa6e92d3475bb56db761ba65abb6… Patch: https://github.com/kamailio/kamailio/commit/c82aa6e92d3475bb56db761ba65abb6… --- diff --git a/src/core/ip_addr.c b/src/core/ip_addr.c index 02c26f969d5..8e2ae6cf42d 100644 --- a/src/core/ip_addr.c +++ b/src/core/ip_addr.c @@ -298,6 +298,52 @@ char *ip_addr2strz(struct ip_addr *ip) return buff; } +#define IP_ADDR_BUF_NR 8 +static char _ksr_addr2x_buff[IP_ADDR_BUF_NR][IP_ADDR_MAX_STR_SIZE]; +static int _ksr_addr2x_idx = 0; + +/* fast ip_addr -> string converter; + * it uses an internal buffer + */ +char *ip_addr2xa(struct ip_addr *ip) +{ + int len; + char *buff; + + buff = _ksr_addr2x_buff[_ksr_addr2x_idx]; + _ksr_addr2x_idx = (_ksr_addr2x_idx + 1) % IP_ADDR_BUF_NR; + + len = ip_addr2sbuf(ip, buff, sizeof(buff) - 1); + buff[len] = 0; + + return buff; +} + + +/* full address in text representation, including [] for ipv6 */ +char *ip_addr2xstrz(struct ip_addr *ip) +{ + char *p; + int len; + char *buff; + + buff = _ksr_addr2x_buff[_ksr_addr2x_idx]; + _ksr_addr2x_idx = (_ksr_addr2x_idx + 1) % IP_ADDR_BUF_NR; + + p = buff; + if(ip->af == AF_INET6) { + *p++ = '['; + } + len = ip_addr2sbuf(ip, p, sizeof(buff) - 3); + p += len; + if(ip->af == AF_INET6) { + *p++ = ']'; + } + *p = 0; + + return buff; +} + /* returns an asciiz string containing the ip and the port * (<ip_addr>:port or [<ipv6_addr>]:port) diff --git a/src/core/ip_addr.h b/src/core/ip_addr.h index 4a266391190..b55c78bd8bc 100644 --- a/src/core/ip_addr.h +++ b/src/core/ip_addr.h @@ -614,14 +614,18 @@ int ip_addr2sbufz(struct ip_addr *ip, char *buff, int len); #define IP_ADDR_MAX_STR_SIZE (IP6_MAX_STR_SIZE + 1) /* ip62ascii + \0*/ #define IP_ADDR_MAX_STRZ_SIZE (IP6_MAX_STR_SIZE + 3) /* ip62ascii + [ + ] + \0*/ -/* fast ip_addr -> string converter; - * it uses an internal buffer - */ +/* ip addr to string converter; it uses an internal static buffer */ char *ip_addr2a(struct ip_addr *ip); +/* ip addr to string converter; it uses a pool of internal static buffers */ +char *ip_addr2xa(struct ip_addr *ip); -/* full address in text representation, including [] for ipv6 */ +/* full address in text representation, including [] for ipv6 + * - it uses an internal static buffer */ char *ip_addr2strz(struct ip_addr *ip); +/* full address in text representation, including [] for ipv6 + * - it uses a pool of internal static buffers */ +char *ip_addr2xstrz(struct ip_addr *ip); #define SU2A_MAX_STR_SIZE \