From cf30fdd3100a425f2f01214ca726f0641f844eec Mon Sep 17 00:00:00 2001 From: Samuel Mendoza-Jonas Date: Mon, 12 Nov 2018 12:01:05 +1100 Subject: [PATCH] discover: Nicely format IPMI response buffers A few places where we print out the response buffer from an IPMI command weren't updated when log timestamps were added, resulting in very hard to read output. Add a little helper to format buffers and use it to print these with only one timestamp. Example: [04:59:01] ipmi_get_bmc_versions: BMC version resp [0][16]: 0x00 0x20 0x01 0x02 0x13 0x02 0xbf 0x00 0x00 0x00 0xbb 0xaa 0x58 0x98 0x01 0x00 Signed-off-by: Samuel Mendoza-Jonas --- discover/ipmi.c | 33 +++++++++++++++------------------ discover/platform-powerpc.c | 23 ++++++++--------------- lib/util/util.c | 17 +++++++++++++++++ lib/util/util.h | 1 + 4 files changed, 41 insertions(+), 33 deletions(-) diff --git a/discover/ipmi.c b/discover/ipmi.c index 840fdee..ae02bb0 100644 --- a/discover/ipmi.c +++ b/discover/ipmi.c @@ -326,6 +326,7 @@ void ipmi_get_bmc_mac(struct ipmi *ipmi, uint8_t *buf) uint16_t resp_len = 8; uint8_t resp[8]; uint8_t req[] = { 0x1, 0x5, 0x0, 0x0 }; + char *debug_buf; int i, rc; rc = ipmi_transaction(ipmi, IPMI_NETFN_TRANSPORT, @@ -334,14 +335,15 @@ void ipmi_get_bmc_mac(struct ipmi *ipmi, uint8_t *buf) resp, &resp_len, ipmi_timeout); - pb_debug_fn("BMC MAC resp [%d][%d]:\n", rc, resp_len); + debug_buf = format_buffer(ipmi, resp, resp_len); + pb_debug_fn("BMC MAC resp [%d][%d]:\n%s\n", + rc, resp_len, debug_buf); + talloc_free(debug_buf); if (rc == 0 && resp_len > 0) { for (i = 2; i < resp_len; i++) { - pb_debug(" %x", resp[i]); buf[i - 2] = resp[i]; } - pb_debug("\n"); } } @@ -354,7 +356,8 @@ void ipmi_get_bmc_versions(struct ipmi *ipmi, struct system_info *info) { uint16_t resp_len = 16; uint8_t resp[16], bcd; - int i, rc; + char *debug_buf; + int rc; /* Retrieve info from current side */ rc = ipmi_transaction(ipmi, IPMI_NETFN_APP, @@ -363,13 +366,10 @@ void ipmi_get_bmc_versions(struct ipmi *ipmi, struct system_info *info) resp, &resp_len, ipmi_timeout); - pb_debug_fn("BMC version resp [%d][%d]:\n", rc, resp_len); - if (resp_len > 0) { - for (i = 0; i < resp_len; i++) { - pb_debug(" %x", resp[i]); - } - pb_debug("\n"); - } + debug_buf = format_buffer(ipmi, resp, resp_len); + pb_debug_fn("BMC version resp [%d][%d]:\n%s\n", + rc, resp_len, debug_buf); + talloc_free(debug_buf); if (rc == 0 && (resp_len == 12 || resp_len == 16)) { info->bmc_current = talloc_array(info, char *, 4); @@ -407,13 +407,10 @@ void ipmi_get_bmc_versions(struct ipmi *ipmi, struct system_info *info) resp, &resp_len, ipmi_timeout); - pb_debug_fn("BMC golden resp [%d][%d]:\n", rc, resp_len); - if (resp_len > 0) { - for (i = 0; i < resp_len; i++) { - pb_debug(" %x", resp[i]); - } - pb_debug("\n"); - } + debug_buf = format_buffer(ipmi, resp, resp_len); + pb_debug_fn("BMC golden resp [%d][%d]:\n%s\n", + rc, resp_len, debug_buf); + talloc_free(debug_buf); if (rc == 0 && (resp_len == 12 || resp_len == 16)) { info->bmc_golden = talloc_array(info, char *, 4); diff --git a/discover/platform-powerpc.c b/discover/platform-powerpc.c index 2929077..f8f3305 100644 --- a/discover/platform-powerpc.c +++ b/discover/platform-powerpc.c @@ -368,6 +368,7 @@ static int get_ipmi_bootdev_ipmi(struct platform_powerpc *platform, { uint16_t resp_len; uint8_t resp[8]; + char *debug_buf; int rc; uint8_t req[] = { 0x05, /* parameter selector: boot flags */ @@ -392,10 +393,9 @@ static int get_ipmi_bootdev_ipmi(struct platform_powerpc *platform, return -1; } - pb_debug("IPMI get_bootdev response:\n"); - for (int i = 0; i < resp_len; i++) - pb_debug("%x ", resp[i]); - pb_debug("\n"); + debug_buf = format_buffer(platform, resp, resp_len); + pb_debug_fn("IPMI get_bootdev response:\n%s\n", debug_buf); + talloc_free(debug_buf); if (resp[0] != 0) { pb_log("platform: non-zero completion code %d from IPMI req\n", @@ -472,6 +472,7 @@ static void get_ipmi_network_override(struct platform_powerpc *platform, uint16_t min_len = 12, resp_len = 53, version; const uint32_t magic_value = 0x21706221; uint8_t resp[resp_len]; + char *debug_buf; uint32_t cookie; bool persistent; int i, rc; @@ -487,17 +488,9 @@ static void get_ipmi_network_override(struct platform_powerpc *platform, resp, &resp_len, ipmi_timeout); - pb_debug("IPMI net override resp [%d][%d]:\n", rc, resp_len); - if (resp_len > 0) { - for (i = 0; i < resp_len; i++) { - pb_debug(" %02x", resp[i]); - if (i && (i + 1) % 16 == 0 && i != resp_len - 1) - pb_debug("\n"); - else if (i && (i + 1) % 8 == 0) - pb_debug(" "); - } - pb_debug("\n"); - } + debug_buf = format_buffer(platform, resp, resp_len); + pb_debug_fn("IPMI net override response:\n%s\n", debug_buf); + talloc_free(debug_buf); if (rc) { pb_debug("IPMI network config option unavailable\n"); diff --git a/lib/util/util.c b/lib/util/util.c index a18926c..36d45b8 100644 --- a/lib/util/util.c +++ b/lib/util/util.c @@ -19,6 +19,7 @@ #include #include +#include static const char hex[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', }; @@ -47,3 +48,19 @@ void mac_str(uint8_t *mac, unsigned int maclen, char *buf, unsigned int buflen) return; } + +char *format_buffer(void *ctx, const uint8_t *buf, unsigned int len) +{ + char *str; + unsigned int i; + + if (len == 0) + return ""; + + str = talloc_asprintf(ctx, "0x%02x%s", buf[0], len > 1 ? " " : ""); + for (i = 1; i < len; i++) + str = talloc_asprintf_append(str, "0x%02x%s", buf[i], + ((i + 1) % 8 == 0 && i != len - 1) ? "\n" : " "); + + return str; +} diff --git a/lib/util/util.h b/lib/util/util.h index 39966d0..a579221 100644 --- a/lib/util/util.h +++ b/lib/util/util.h @@ -50,6 +50,7 @@ do { (void)sizeof(char[(x)?1:-1]); } while (0) void mac_str(uint8_t *mac, unsigned int maclen, char *buf, unsigned int buflen); +char *format_buffer(void *ctx, const uint8_t *buf, unsigned int len); #endif /* UTIL_H */ -- 2.39.2